• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Brake device for installation on a shaft (100) comprising a piston and a housing (12) housing a container (2), a first casting disk (5) and a second casting disk (7) attached to the container (2), a first punch (9) on a first support disc (10) and a bearing (101) fixed on the container (2), where the piston (1) and the container (2) remain fixed without rotation around the axis (100) and the first punch (9) together with the first support disk (10) rotate together with the shaft (100), where in addition the piston (1) is configured to move the container (2) together with the two discs of casting (5, 7) towards the first plow (9) until the first casting disc (5) contacts the first plow (9), and where the container (2) comprises an internal circuit (8) configured to accommodate a refrigerant fluid. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2705358A1
    申请号:ES201731144
    申请日:2017-09-22
    公开日:2019-03-22
    发明作者:Beneitez Jose Maria Gomez；De Sebastian Fernando Gomez
    申请人:Beneitez Jose Maria Gomez；De Sebastian Fernando Gomez；
    IPC主号:
    专利说明:

    [0001]
    [0002]
    [0003]
    [0004] Object of the invention
    [0005] The present invention relates to a braking device with a novel braking system that increases the braking capacity and has a cooling system that guarantees its thermal stability and increases the duration of the components of the braking device. It is applicable in different industries, for example, in the automotive industry, the railway industry, and the aviation industry, that is to say all those where braking devices act.
    [0006]
    [0007] Technical problem to solve and background of the invention
    [0008] In the state of the art braking systems of very different nature are known, in particular in the automotive sector different types of braking systems have been developed.
    [0009]
    [0010] The most widespread braking system in the automotive sector is the braking disc brake system, where the driver presses the brake pedal to activate a hydraulic system that moves some brake pads to a brake disc that rotates in solidarity with the wheels of the vehicle, and by means of the friction between the brake pads and the brake disc braking of the wheels and consequently of the vehicle occurs.
    [0011]
    [0012] In this braking system, the brake disc, as already explained, rotates continuously in a manner that is integral with the wheels of the vehicle while the pads are in a fixed position with respect to the wheel. When moving the pads axially towards the brake disc, until contact with the disc and, continuing to exert pressure on the pads against the brake disc, a friction is generated that produces braking of the disc and therefore the braking of the wheels of the vehicle .
    [0013]
    [0014] This system presents a problem due to the increase in temperature in the zone of the pads, which is in contact with the disk, which is produced by the friction between the pads and the brake disk. This increase in temperature can damage the pads (with a phenomenon known as crystallization thereof), which would affect the braking capacity of the system or could even produce, in an extreme case, the deformation of the pads themselves or the brake disc, damaging the braking system, and many other derivatives of the thermal problem. For all the above, the braking system by brake disc requires a cooling that tries to evacuate the heat generated during braking.
    [0015]
    [0016] Because the brake disc is constantly rotating, currently, it is very difficult to obtain a system that cools it. Also, given the surface of the brake pads, it is also difficult to install a cooling system in them that evacuates the heat generated.
    [0017]
    [0018] To evacuate the heat generated during braking, in the systems known in the state of the art, the air flow that surrounds the braking system when the vehicle is circulating is used, these systems not being entirely efficient.
    [0019]
    [0020] Furthermore, in the systems known in the state of the art a wear occurs in the pads and in the brake disc due to the point friction between these two elements, so that the useful life of the pads and brake discs is pretty reduced.
    [0021]
    [0022] Likewise, brake discs and brake pads have been developed from materials that withstand high temperatures and whose resistance to wear is high, among which are known ceramic discs used in high performance and very expensive vehicles, which require more efficient braking systems , allowing better benefits, but that ultimately do not solve the thermal problem
    [0023]
    [0024] Description of the invention
    [0025] The present invention relates to a brake device that has a cooling system that achieves a high heat dissipation, so that the useful life of its components is high and therefore the maintenance to be performed is reduced compared to known devices in the state of the art.
    [0026]
    [0027] Another advantage is that having a greater contact area than current systems, in which the contact surface is limited to the size of the brake pad which has small dimensions, compared with the surface of the fervos of the present invention, the force required for braking is lower and the braking capacity is greater.
    [0028]
    [0029] The brake device for installing on a wheel axle object of the invention It comprises a piston, a housing that houses at least the piston, also comprises a container, a first casting disk and a second casting disk joined the two casting discs to the container, it also comprises a first ferrule, a first support disk on the that the first plow is located and finally also comprises a bearing fixed in the container.
    [0030]
    [0031] In the brake device for installing on a wheel axle object of the invention the piston and the container remain fixed without rotation around the shaft and the first brake shoe together with the first support wheel rotate together with the shaft, where the piston is also configured to move the container along with the two casting discs towards the first rail until the first casting disk contacts the first rail, and where the container comprises an internal circuit configured to receive a cooling fluid.
    [0032]
    [0033] In the brake device according to the invention, the inner circuit of the container is limited by a central cylindrical wall located around the axis, an outer cylindrical wall and the two casting discs joining the central cylindrical wall and the outer cylindrical wall.
    [0034]
    [0035] The brake device according to the invention comprises a first spring around the axis of the wheels, such that the first spring rests at one end on the bearing and on the other end on the first support disc, where the first spring is configured to perform a pressure on first support disk when the first casting disc contacts the first ferrite, and move away the piston, the container and the first casting disc of the first ferrite.
    [0036]
    [0037] The brake device object of the invention in a second embodiment additionally comprises a second rail on a second support disk, between the piston and the container.
    [0038]
    [0039] In this second embodiment, the piston is configured to move the second plow towards the second casting disc of the container, in a displacement prior to the displacement of the container and its first casting disc towards the first plow.
    [0040]
    [0041] The brake device object of the invention, in this second embodiment, comprises a second spring around the axis of the wheels, which supports at one end on the second support disk and at another end on the bearing, such that the second spring is configured to make a pressure on the second support disc when the second casting disc contacts the second punch and moves the piston, the container and the second casting disc of the second plow away.
    [0042]
    [0043] The container of the brake device in the two embodiments comprises a first access hole to the inner circuit and a second access hole to the inner circuit so that the cooling fluid travels along the inner circuit accessing through the first hole and exiting through the second hole.
    [0044]
    [0045] In addition to the above, the container also comprises an interior wall located in the interior circuit, such that said interior wall forces the flow of the refrigerant fluid through the interior circuit.
    [0046]
    [0047] The brake device further comprises tubes connecting the first orifice and the second orifice with a heat exchanger for the cooling fluid.
    [0048]
    [0049] The brake device object of the invention comprises at least one sensor in the container for controlling the temperature of the cooling fluid.
    [0050]
    [0051] In the brake device the housing comprises a plurality of perimetral channels and the container comprises a plurality of perimetral bearings, such that the perimeter bearings face the perimeter channels of the housing and the perimeter bearings are configured to slide along the aforementioned ones. perimeter channels.
    [0052]
    [0053] Alternatively to the previous option, in the brake device the housing comprises a plurality of perimeter threaded holes that house guide screws, and the container comprises a plurality of perimeter lugs, where the perimetric lugs house the guide screws to guide a sliding of the container along the guide screws.
    [0054]
    [0055] Description of the figures
    [0056] To complete the description and in order to help a better understanding of the characteristics of the invention, this descriptive report is accompanied, as an integral part thereof, a set of drawings in which illustrative and non-limiting, the following:
    [0057] Figure 1 shows a perspective view of the first embodiment of the brake device object of the invention.
    [0058] Figure 2 shows a perspective view of the first embodiment of the brake device object of the invention having removed the housing that houses the piston, in the braking position.
    [0059] Figure 3 shows a perspective view of the first ferrule attached to the support disc, in contact with the lid or casting disk of the container.
    [0060] Figure 4 shows a perspective view of the container having removed the first casting disk according to the first embodiment of the device object of the invention.
    [0061] Figure 5 shows a side view of the second embodiment of the brake device object of the invention.
    [0062] Figure 6 shows a perspective view from a point of view opposite to Figure 5. Figure 7 shows a perspective view of the second embodiment of the device object of the invention having removed the bearing, the first support disk, the first bore and the first foundry record.
    [0063] Figure 8 shows a perspective view of the second embodiment of the brake device object of the invention, with the displacement of the container through perimeter channels in the housing and perimeter bearings in the container.
    [0064] Figure 9 shows a perspective view of the embodiment of Figure 8 having removed the first ferrule, the first support disc, the first casting disc and the housing. Figure 10 shows in detail the attachment of the bore to the shaft.
    [0065]
    [0066] Below is a list of the numerical references used in the figures represented:
    [0067] 1. - piston,
    [0068] 2. - container,
    [0069] 3. - outer cylindrical wall,
    [0070] 4. - central cylindrical wall,
    [0071] 5. - first casting disc,
    [0072] 6. - hose,
    [0073] 7. - second foundry disk,
    [0074] 8. - interior circuit,
    [0075] 9. - first ferodo,
    [0076] 10. - disk support,
    [0077] 11.-spring,
    [0078] 12.-house,
    [0079] 13. -first hole,
    [0080] 14.-second hole,
    [0081] 15.-interior wall,
    [0082] 16. -tubes,
    [0083] 17. -Lightness joints,
    [0084] 18. -sensor,
    [0085] 19. -Rubbing for passage of the tubes,
    [0086] 20.-second fierce,
    [0087] 21.-second spring,
    [0088] 22.-second support disk,
    [0089] 23. -perimeter channels,
    [0090] 24. - Perimeter bearings,
    [0091] 25. - Perimeter threaded holes,
    [0092] 26.-guide screws,
    [0093] 27. -perimeter cards,
    [0094] 28. -tetón,
    [0095] 29. -accommodation,
    [0096] 30.-fixing part,
    [0097] 100. -Axis, and
    [0098] 101. - Bearing.
    [0099]
    [0100] Description of an embodiment of the invention
    [0101] Next, two embodiments of the brake device object of the invention are exposed, making reference to the references used in the figures.
    [0102]
    [0103] The brake device object of the invention is installed on a wheel axle (100), and has two embodiments that are to be defined below.
    [0104]
    [0105] The first embodiment of the brake device object of the invention, starting from the area furthest from the wheel, comprises:
    [0106] - one piston (1),
    [0107] - one container (2),
    [0108] - a first casting disc (5) attached to the container (2),
    [0109] - a second casting disc (7) attached to the container (2),
    [0110] - a first ferodo (9), and
    [0111] - a first support disc (10) on which the first plow (9) is located.
    [0112]
    [0113] In the brake device object of the invention the piston (1) and the container (2) together with the first casting disc (5) and the second casting disc (7), are located on the axis (100) but do not rotate together with the rotation of the axis (100), while the first support disc (10) and the first Brushed (9) are fixed to the shaft (100) and rotate with the rotation of the axis (100).
    [0114]
    [0115] The container (2), in the particular embodiment of said container (2) described here, has the shape of a toroid of rectangular section, and comprises a central cylindrical wall (4) located around the axis (100) and an outer cylindrical wall (3). ), so that both the first casting disc (5) and the second casting disc (7) are attached to the container (2) and, together with the central cylindrical wall (4) and the outer cylindrical wall (3) form an inner circuit (8) for receiving a cooling fluid. To guarantee the tightness of the inner circuit (8), sealing gaskets (17) are located both between the first casting disc (5) and the central cylindrical wall (4) and the outer cylindrical wall (3) of the container (2). ) as between the second casting disc (7) and the central cylindrical wall (4) and the outer cylindrical wall (3) of the container (2).
    [0116]
    [0117] The container (2) comprises a first hole (13) and a second hole (14) located in the outer cylindrical wall (3) and also comprises an inner wall (15) in the inner circuit (8), the two holes (13). , 14) serve to access and exit the cooling fluid from the interior circuit (8) of the container (2), as discussed later in this specification.
    [0118]
    [0119] During braking, the friction between the first casting disc (5) and the first ferrule (9) generates a heat that, thanks to the device object of the invention, dissipates, as will be seen below, reducing the wear of the components and increasing the braking efficiency.
    [0120]
    [0121] Thus, the brake device object of the invention performs the evacuation of the heat generated by the friction of the first bore (9) against the first casting disc (5) by circulating the cooling fluid through the inner circuit (8) of the container (2), which is introduced through the first hole (13) in the inner circuit (8), said cooling fluid circulates through the inner circuit (8) absorbing the heat generated in the first casting disc (5) and leaves the circuit inside (8) through the second hole (14), the path that the cooling fluid makes through the inner circuit (8) being forced by the inner wall (15).
    [0122]
    [0123] The cooling fluid, once it has left the inner circuit (8), is guided via tubes (16) to a radiator or a heat exchanger (not shown in the figures) where the refrigerant fluid loses temperature to be re-introduced into the circuit inside (8) through the first hole (13), in this way a cooling circuit of the cooling fluid is generated. To control the temperature of the cooling fluid, the device object of the invention has two sensors (18) installed in the container (2).
    [0124]
    [0125] Finally, the brake device object of the invention comprises a housing (12) covering at least the piston (1), so that the other components of the brake device object of the invention can be covered by the housing (12) or They can be out of it.
    [0126]
    [0127] Likewise, the casing (12) can comprise at least one recess (19) for the passage of the tubes (16) of the device object of the invention, when the design of the device requires the tubes (16) to pass through the casing (12).
    [0128]
    [0129] In the first embodiment, the device comprises a bearing (101) between the central cylindrical wall (4) of the container (2) and the shaft (100), so that the container (2) rests on the bearing (101) that frees the container (2) from the rotation movement of the shaft (100), therefore neither the container (2) with the two casting discs (5, 7), nor the piston (1) rotate together with the shaft (100) . In addition, the bearing (101) serves as a support for a first spring (11), such that the first spring (11) bears at one end on the bearing (101) and at the opposite end rests on the first support disk (10). ) on which the first hoe (9) is located, so that, when it does not receive pressure from the piston (1), the first casting disc (5) distances itself from the first hoe (9), avoiding unnecessary friction.
    [0130]
    [0131] The fixing of the first support disc (10) together with the first ferrule (9) to the shaft (100), is carried out in one embodiment of the invention, by means of a pin (28) passing through the support disc (10) and the shaft (100)
    [0132]
    [0133] The fixing of the second support disc (22) together with the first ferrule (20) to the shaft (100), is carried out in one embodiment of the invention, by means of a disc-shaped part (30), which has some guide shafts, fixed the shaft (100) by means of a pin or lug (29), which inserted into its corresponding housings of the second support disc (22), forces it to rotate together with the shaft (100), but allows the linear movement, by the action of the piston.
    [0134]
    [0135] In this first embodiment of the device object of the invention, the braking takes place thanks to the piston (1), when the brake pedal of the vehicle is pressed receives through a hose (6), a hydraulic fluid in its interior, and therefore the piston (1) displaces with itself the container (2) with the first casting disc (5) towards the first plow (9), producing the braking due to the friction between the first ferrite (9) and the first casting disc (5). The first spring (11) placed around the shaft (100) is supported by an end on the bearing (101) fixed on the central cylindrical wall (4) of the container (2) and on the opposite end rests on the first support disc (10), forces the assembly of the piston (1), container (2) and first casting disc (5) to return to its initial position once the hydraulic fluid stops entering the piston (1), ie separates the aforementioned set of the first ferodo (9).
    [0136]
    [0137] There is a second embodiment of the brake device object of the invention, which additionally comprises a second bore (20) supported on a second support disk (22), the second bore (20) and the second support disk (22) being located between the piston (1) and the container (2).
    [0138]
    [0139] In this second embodiment of the brake device object of the invention, a bearing (101) is also located between the central cylindrical wall (4) of the container (2) and the shaft (100) so that the container (2) is in position stable without rotation with respect to the axis (100).
    [0140]
    [0141] In addition this second embodiment comprises a second spring (21) located opposite the first spring (11) with respect to the bearing (101). The second spring (21) supports at one end in the bearing (101) and at the other end in the second support disk (22). With this arrangement the container (2) remains fixed without rotation, while the springs (11, 21), the supporting discs (10, 22), the ferves (9, 20) and the shaft (100) rotate together.
    [0142]
    [0143] The braking in the second embodiment of the brake device object of the invention occurs, in two complementary steps, in a first step the piston (1) fruit of the foot pedal of the brake of the vehicle, receives a hydraulic fluid in its interior, displacing said piston (1) against the second support disc (22) by dragging the second ferret (20) against the container (2), the second ferret (20) coming into contact with the second casting disc (7) of the container (2) , generating a first friction or braking friction, if in this situation the desired reduction of the speed of the shaft (100) on which the second rail (20) is fixed, the action of the second spring (21), attached to that the hydraulic fluid stops flowing into the piston (1), separates the second drilling (20) from the second casting disc (7) from the container (2). It may happen that a greater reduction in the speed of the shaft (100) is required, for this by keeping the brake pedal depressed or increasing the tread on it, the hydraulic fluid continues to enter the piston (1) and the piston (1) itself displaces the second bore (20), the second support disk (22) together with the container (2), the first casting disc (5) and the bearing (101) fixed to the container (2), both the first spring (11) and the second spring (21) being compressed, until contacting the first ferrule (9) that are rotating with the shaft (100)
    [0144]
    [0145] Once the desired reduction in the speed of the axle (100) has been produced, the brake pedal of the vehicle is lifted, so that the hydraulic fluid stops entering the piston (1) and the first spring (11) and the second spring (21) separate in a first step the first plow (9) from the first casting disc (5), and in a second step separates the second plow (20) from the second casting disc (7), as shown in FIG. has explained before.
    [0146]
    [0147] The fixation of the second plow (20) and the second support disk (22) is like that already expressed for the first plow (9) and the first support disk (10), by means of lugs (28) and housings (29) complementary or by means of a fixing part (30) to which the second plow (20) and / or the second support disk (22) are subsequently fixed.
    [0148]
    [0149] The container (2) moves along the axis (100) driven by the piston (1), said displacement being guided along the axis (100). The guidance of the displacement along the axis (100), is achieved in one of the two ways that are explained below:
    [0150] - a first way is through perimeter channels (23) located in the housing (12) and perimeter bearings (24) of the container (2) that face the perimeter channels (23) of the housing (12), such that the Perimeter bearings (24) slide along the perimeter channels (23) of the housing (12).
    [0151] - a second way is through perimeter threaded holes (25) of the housing (12) where guide screws (26) are introduced, such that the container (2) is slid by the said guide screws (26), thanks to perimetral lugs (27) of said container (2) confronting with the guide screws (26) of the casing (12).
    [0152]
    [0153] The invention should not be limited to the particular embodiments described herein. Experts in the field can develop other embodiments in view of the description herein made. Accordingly, the scope of the invention is defined by the following claims.
    权利要求:
    Claims (11)
    [1]
    1. - Brake device for installing on a shaft (100) of wheels characterized by comprising:
    - one piston (1)
    - a housing (12) housing at least the piston (1),
    - one container (2),
    - a first casting disc (5) and a second casting disc (7), attached to the container (2),
    - a first ferodo (9),
    - a first support disk (10) on which the first rail (9) is located, and
    - a bearing (101) fixed on the central cylindrical wall (4) of the container (2) around the axis (100),
    where the container (2) and the casing (12) remain fixed without rotation about the axis (100) and the first plow (9) together with the first support disk (10) are fixed to the shaft (100), where in addition the piston (1) is configured to move the container (2) together with the two casting discs (5, 7) towards the first plow (9) until the first casting disc (5) contacts the first plow (9), and wherein the container (2) comprises an inner circuit (8) configured to receive a cooling fluid.
    [2]
    2. - Braking device according to claim 1, characterized in that the inner circuit (8) of the container (2) is limited by a central cylindrical wall (4) located around the shaft (100), an outer cylindrical wall (3) ) and the two casting discs (5, 7) that connect the central cylindrical wall (4) and the outer cylindrical wall (3).
    [3]
    3. - Braking device according to any of the preceding claims, characterized in that it comprises a first spring (11) around the axis (100) of the wheels, such that the first spring (11) is supported by an end on the bearing (101) and at another end on the first support disc (10), where the first spring (11) is configured to press on first support disc (10) when the first casting disc (5) contacts the first ferrite (9), and move the piston (1), the container (2) and the first casting disc (5) away from the first plow (9).
    [4]
    4. - Braking device, according to claim 1, characterized in that it additionally comprises:
    - a second bore (20) on a second support disk (22), between the piston (1) and the container (2)
    where the piston (1) is configured to move the second plow (20) towards the second casting disc (7) of the container (2), in a displacement prior to the displacement of the container (2) and its first casting disc (5). ) towards the first ferodo (9).
    [5]
    5. - Brake device according to claim 4, characterized in that it comprises a second spring (21) around the axis (100) of the wheels, which supports at one end in the second support disk (22) and at the other end in the bearing (101), such that the second spring (21) is configured to make a pressure on the second support disc (22) when the second casting disc (7) contacts the second plow (20) and moves the piston ( 1), the container (2) and the second casting disc (7) of the second plow (20).
    [6]
    6. - Brake device according to any of the preceding claims, characterized in that the container (2) comprises:
    - a first hole (13) for access to the interior circuit (8),
    - a second hole (14) for access to the interior circuit (8),
    so that the cooling fluid travels along the inner circuit (8) accessing through the first hole (13) and exiting through the second hole (14).
    [7]
    7. - Braking device according to claim 6, characterized in that the container (2) comprises an interior wall (15) located in the interior circuit (8), such that said interior wall forces a path of the cooling fluid through the circuit interior (8).
    [8]
    8. - Braking device according to any of claims 6 or 7, characterized in that it comprises tubes (16) connecting the first hole (13) and the second hole (14) with a heat exchanger for the cooling fluid.
    [9]
    9. - Braking device according to any of the preceding claims, characterized in that it comprises at least one sensor (18) in the container (2) to control the temperature of the cooling fluid.
    [10]
    10. - Brake device, according to any of the preceding claims, characterized in that:
    - the housing (12) comprises a plurality of perimeter channels (23),
    - the container comprises a plurality of perimeter bearings (24),
    wherein the perimetral bearings (24) face the perimeter channels (23) of the housing (12) and the perimetral bearings (24) are configured to slide along the perimeter channels (23) of the housing (12).
    [11]
    11. Brake device according to any of claims 1 to 9, characterized in that:
    - the casing (12) comprises a plurality of perimetral threaded holes (25) accommodating guide screws (26),
    - the container (2) comprises a plurality of perimeter lugs (27),
    wherein the perimetric lugs (27) house the guide screws (26) to guide a sliding of the container (2) along the guide screws (26).
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    同族专利:
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    CN111133219B|2021-12-03|
    EP3686455A1|2020-07-29|
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    WO2019058009A1|2019-03-28|
    US20200217381A1|2020-07-09|
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    法律状态:
    2019-03-22| BA2A| Patent application published|Ref document number: 2705358 Country of ref document: ES Kind code of ref document: A1 Effective date: 20190322 |
    2019-09-11| FG2A| Definitive protection|Ref document number: 2705358 Country of ref document: ES Kind code of ref document: B2 Effective date: 20190911 |
    2020-01-30| PC2A| Transfer of patent|Owner name: BRL BRAKE SOLUTIONS, S.L. Effective date: 20200124 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201731144A|ES2705358B2|2017-09-22|2017-09-22|BRAKE DEVICE|ES201731144A| ES2705358B2|2017-09-22|2017-09-22|BRAKE DEVICE|
    EP18857662.3A| EP3686455A4|2017-09-22|2018-09-10|Brake device|
    KR1020207009700A| KR20200054229A|2017-09-22|2018-09-10|Brake device|
    CN201880061289.4A| CN111133219B|2017-09-22|2018-09-10|Brake device|
    JP2020537875A| JP2020534495A|2017-09-22|2018-09-10|Brake device|
    US16/648,274| US20200217381A1|2017-09-22|2018-09-10|Brake Device|
    BR112020005207-8A| BR112020005207A2|2017-09-22|2018-09-10|brake device|
    PCT/ES2018/070590| WO2019058009A1|2017-09-22|2018-09-10|Brake device|
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