• 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:
    The invention relates to a power take-off comprising a housing (18), which at least partially houses an input shaft (20), at least one output shaft (22), a first transmission means (24), which is connected to the input shaft (20), a second transmission means (26) connected to the at least one output shaft (22), and at least one socket module (30) connected to the at least one output shaft (22). The second transmission means (26) and the at least one output shaft (22) are mounted and dismountable in the housing (18). The invention also relates to a vehicle (1) comprising such a power take-off (16) and an intermediate piece (48) for such a power take-off (16). (Fig. 2)
    公开号:SE1350615A1
    申请号:SE1350615
    申请日:2013-05-21
    公开日:2014-11-22
    发明作者:Daniel Petersen；Johan Träff
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    15 20 25 30 so complex to change the type of power take-off, which may be necessary if the vehicle is to change application area, for example in the event of a change of ownership.
    Document WO 201 1/0443 76, A2 shows a power take-off for a vehicle, which power take-off has a surrounding housing with a transmission which transmits rotation and torque from the vehicle's gearbox to suitable equipment. The housing and the transmission are of such a nature that lubricant should not leak to the surroundings and that contaminants should not enter the housing.
    Document US 5041062 shows a power take-off for a vehicle, which power take-off has an input shaft, which is driven by the vehicle's driveline. The input shaft distributes torque and rotational motion to two output shafts via a chain transmission.
    SUMMARY OF THE INVENTION Despite known solutions in the field, there is a need to further develop a power take-off, which exhibits a high degree of flexibility, so that a number of different types of superstructures on a vehicle can be operated with the aid of the power take-off. There is also a need to further develop a power take-off, which has a high efficiency in order to reduce the vehicle's fuel consumption and also in order to reduce heat generated in the power take-off.
    The object of the present invention is thus to provide a power take-off which exhibits a high degree of flexibility.
    A further object of the invention is to provide a power take-off which has a high efficiency. Yet another object of the invention is to provide a power take-up which occupies a small space H16.
    These objects are achieved with the power take-off stated in the introduction, which is characterized by the features stated in the characterizing part of the patent claim 1. These objects are also achieved with the vehicle stated in the introduction, which is characterized by the features stated in the characterizing part of claim 12, and an intermediate piece for such a power take-off according to the characterizing part of claim 13.
    The power take-off includes a housing on which it is possible to mount a number of socket modules for different purposes. Below this, for example, a body of the vehicle in the form of a crane with hydraulic cylinders can be driven by a socket module in the form of a hydraulic pump, which is connected to the power take-off. If a bodywork in the form of a compressor is also present on the same vehicle, a socket module in the form of a connection fl äns can be mounted in the same power take-off to which the input shaft of the connection fl äns compressor is connected. Instead of replacing the entire PTO shaft if the vehicle is to be fitted with new superstructures, additional PTO modules of different types can be connected to the PTO shaft.
    The transmission means with associated output shafts are demountable, so that for the recesses of the power take-off where no outlet module is mounted, associated transmission means are dismantled in order to avoid operation of the components which do not currently fulfill a function. Thus, the efficiency of the power take-off increases and the deflection development that arises from friction decreases. Thus, the vehicle's fuel consumption can be reduced.
    Suitably the housing is designed so that the second transmission means and the at least one output shaft can be mounted and dismountable in the housing when the first transmission means is mounted in the housing. This simplifies the assembly and disassembly of the second transmission means and the at least one output shaft in the housing, since an unnecessary number of components do not have to be assembled and disassembled in the housing.
    Suitably the housing is designed so that the second transmission means and the at least one output shaft can be mounted and dismounted in the housing when the input shaft is connected to a drive line. This simplifies the assembly and disassembly of the second transmission means and the at least one output shaft in the housing, since the input shaft does not have to be disconnected from the driveline.
    Preferably, the housing is designed so that the second transmission means and the at least one output shaft can be mounted and disassembled in the housing when the housing is mounted on a vehicle. This simplifies the assembly and disassembly of the second transmission means and the at least one output shaft in the housing, since the housing does not need to be disassembled from the vehicle. According to one embodiment, the recess of the power take-off for connecting socket modules is directed in different directions, which means that the socket modules can be mounted in different directions. This further increases the flexibility of the power take-off by allowing the socket modules to be placed in a direction that is adapted to the location of the body on the vehicle. Thus, connections and connections between the body and the power take-off can be made shorter and smaller.
    According to a further embodiment, an intermediate piece, which comprises a frame part with channels and / or control valves, is arranged between a housing for the power take-off and the socket modules. With the aid of the intermediate piece, pressurized air or hydraulics can be led to a controllable coupling unit arranged for each socket module. By means of a valve unit arranged for each socket module, which is preferably arranged in the body part, the respective socket module can be selectively switched on and off. The socket modules that do not currently operate one of the vehicle's superstructures can thus be disconnected, which means that the efficiency of the power take-off increases and the heat generation that arises from friction decreases. Thus, the vehicle's fuel consumption can be reduced.
    The adapter also means that a number of hoses, pipes and connections for the connection and disconnection of the socket modules can be eliminated, which means that the power take-off becomes compact and that the weight is reduced, which leads to a reduction in the vehicle's fuel consumption.
    BRIEF DESCRIPTION OF THE DRAWINGS In the following, as an example, preferred embodiments of the invention are described with reference to the accompanying drawings, in which: Fig. 1 schematically shows a vehicle in a side view with a power take-off according to the present invention, Fig. 2 shows a schematic Fig. 3 shows a sectional view of the power take-off along the line III -III in Fig. 2, Fig. 4 shows a schematic sectional view of the first embodiment of the power take-off according to the present invention. the present invention with a socket module removed, Fig. 5 shows a schematic sectional view of the power take-off according to a second embodiment, Fig. 6 shows a schematic sectional view of the power take-off according to a third embodiment, and Fig. 7 shows a sectional view of the power take-off along the line VII - VII in Fig. 6.
    DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION Fig. 1 shows a schematic side view of a vehicle 1, which comprises a driveline 2 with an internal combustion engine 4, which is connected to a gearbox 6. The gearbox 6 is further connected to the vehicle 1 drive wheel 8. The vehicle 1 is provided with a first body 10 in the form of a crane in which a hydraulic cylinder 12 is arranged. A second body 14 in the form of a compressor is arranged on the vehicle 1. To drive the crane and the compressor, a power take-off 16 according to the present invention is arranged on the vehicle 1. The power means is connected to the hydraulic cylinder 12 via hydraulic lines and to the compressor via a drive shaft.
    Fig. 2 shows a schematic sectional view of a power take-off 16 according to the present invention. The power take-off 16 comprises a housing 18, which at least partially houses an input shaft 20, at least one output shaft 22, a first transmission means 24, which is connected to the input shaft 20 and a second transmission means 26, which is connected to the at least one output shaft 22. The power take-off 16 also comprises at least one output module 30, which is connected to the at least one output shaft 22. According to the one in f1g. 2, a second and third transmission means 26, 32 are driven by the first transmission means 24, which transmission means are constituted by first, second and third gears 24, 26, 32. However, other types of transmission means are possible, such as chain drive. The gears 24, 26, 32 are each provided with an output shaft 22, to which socket modules 30 are connected. According to f1g. 2, three socket modules 30 are connected to the power socket 16 and to the respective output shaft 22. The housing 18 is preferably filled with oil for lubrication of gears 24, 26, 32 and shafts 20, 22. The shafts 20, 22 are suitably mounted in the housing. 18. The gears 24, 26, 32 may have different relative diameters and gears 10 adapted for the appropriate gear ratio, direction of rotation and distance between input and output shafts 20, 22.
    The input shaft 20 is intended to be coupled to the driveline 2 of the vehicle 1, so that the driveline 2 drives and causes the first gear 24 to rotate. When the first gear 24 rotates, the second and third gears 26, 32 will also rotate, which means that the socket modules 30 connected to the second and third gears 26, 32 are driven via the respective output shaft 22. The socket modules 30 can be of the same type or different types to meet different needs. I f1g. 2 is a socket module 30 in the form of a hydraulic pump coupled to the output shaft 22 of the second gear 26, and a socket module 30 in the form of a connection shaft connected to the output shaft 22 of the third gear 32. To the output shaft 22 of the first gear 24 is a hydraulic pump coupled, which hydraulic pump is of the same type as that connected to the output shaft 22 of the second gear 26. The housing 18 is provided with recesses 34 and connection surfaces 36 for the outlet modules 30, which recesses 34 and connection surfaces 36 are so designed that outlet modules 30 regardless of type can be connected to the output shafts of gears 24, 26, 32. The connection surfaces 36 can be provided with seals and fastening elements (not shown) for the socket modules 30. When, for example, a superstructure 10 in the form of a crane with hydraulic cylinders 12 is mounted on the vehicle 1, a socket module 30 is mounted in the form of a hydraulic pump the hydraulic cylinders 12 of the crane.
    Fig. 3 shows a sectional view of the power take-off 16 along the line III -III in Fig. 2. It appears from fi g. 3 that a fourth and fifth transmission means 38, 40 in the form of a fourth and fifth gear 38, 50 are also arranged in the housing 18 of the power take-off 16. The fifth gear 40 is driven by the first gear 24 via intermediate gear 42, which causes the direction of rotation of the the fifth gear 40 is reversed relative to the second, third and third gears 26, 32, 38. In addition, the wheelbase between the first and fifth gears 24, 40 will increase. According to the embodiment in Fig. 3, the power take-off 16 can be provided with five socket modules 30, but it is nevertheless possible to provide the power take-off 16 with fl your gear around the first gear 24, so that the power take-off 16 can be provided with fl more than five socket modules 30.
    Fig. 4 shows a schematic sectional view of the first embodiment of the power take-off 16 according to the present invention with a take-off module 30 removed. In case only two socket modules 10 are needed to drive the superstructures 10, 14 mounted on the vehicle 1, the recesses 34 at the respective connecting surfaces 36 of the housing 18, which are intended for further socket modules 30, can be covered with a cover plate 44. in order to prevent oil from leaving the housing 18 and to prevent dirt from entering the housing 18. In addition, the gears 26, 32, 38, 40 which are not connected via their respective output shafts 22 to a socket module 30 can be disassembled from the housing. set 18 in order to avoid operation of the components that are not currently performing a function.
    Thus, the efficiency of the power take-off 16 increases and the deflection development that arises from friction decreases. Thus, the fuel consumption of the vehicle 1 can be reduced. The disassembly can be performed by first disassembling a cover 46 for the housing 18, after which the gears 26, 32, 38, 40 with associated output shafts 22, to which no socket module 30 is to be coupled, are disassembled.
    Thereafter, the cover 46 is mounted on the housing 18 and the socket modules 30 to be used are mounted in the recesses 34 of the housing 18 at the respective connection surface 36. The recesses 34 and connection surfaces 36 to which socket modules 30 are not to be connected are provided with a cover washer 44. - more outlet modules 30 are to be mounted at the power take-off 16, the cover 46 and the cover washers 44, which cover the recesses 34 and connection surfaces 36 to which outlet modules 30 are to be mounted, are removed. Then the gears 26, 32, 38, 40 with associated output shafts 22 are mounted in the housing 18, which are to be connected to the socket modules 30 to be mounted. Finally, the cover 46 is mounted on the housing 18. The first gear 24 thus does not need to be disassembled when the gears 26, 32, 38, 40 with associated output shafts 22 are to be mounted or disassembled in the housing 18. This simplifies the assembly and disassembly of the gears 26. , 32, 38, 40 with associated output shafts 22, since an unnecessary number of components do not need to be mounted and disassembled in the housing 18. Nor does the input shaft 20 need to be disassembled from the driveline 2 when the gears 26, 32, 38, 40 with associated output shafts 22 are to be mounted or disassembled in the housing 18, which also simplifies the assembly and disassembly of the gears 26, 32, 38, 40 with associated output shafts 22 in the housing 18. Preferably, the housing 18 is designed so that the gears 26, 32, 38, 40 with associated output shafts 22 can be mounted and disassembled in the housing 18 when the housing 18 is mounted on the vehicle 1. This also simplifies the assembly and disassembly of the gears 26, 32, 38, 40 with associated output axles 22 in the housing 18, since the housing 18 does not need to be disassembled from the vehicle 1. The housing 18 can be connected to the vehicle 1 by means of suitable fastening elements 47.
    Fig. 5 shows a schematic sectional view of the power take-off 16 according to a second embodiment. What distinguishes the second embodiment from the first is that the recesses 34 of the power take-off 16 for connecting socket modules 30 are directed in different directions, which means that the socket modules 30 can be mounted in different directions. Thus, the second and third gears 26, 32, and also the fourth and fifth gears 38, 40 are designed so that the output shaft 22 of the respective gears 26, 32, 38, 40 is connectable to two socket modules 30 in opposite directions. This further increases the flexibility of the power take-off 16 by allowing the socket modules 30 to be placed in a direction which is adapted to the location of the body 10, 14 on the vehicle 1. Thus, connections and connections between the body 10, 14 and the power socket 16 can be made shorter and smaller.
    Fig. 6 shows a schematic sectional view of the power take-off 16 according to a third embodiment. What distinguishes the third embodiment from the above embodiments is that an intermediate piece 48, which comprises a body part 49 with channels 50 and control valves 52, is arranged between the housing 18 and the outlet modules 30. By means of the intermediate piece 48, pressurized fluid, such as air or hydraulic fluid, can be provided. lj a from a pressure source 54 is led to a controllable coupling unit 56 arranged for each socket module 30. The channels 50 in the body part 49 are designed to lead to the respective coupling unit 56 in order to control the coupling units 56 to a switched-off or switched-on position. . A control valve 52 is preferably arranged for each outlet module 30, each control valve 52 preferably being arranged in the body part 49. With the control valves 52, the respective outlet module 30 can be selectively switched on and off. The control valves 52 are controlled by means of a control unit 53, which is connected via signal lines 58 to the respective control valve 52. The socket modules 30 which in the case are not to drive one of the vehicle 1's superstructures 10, 14 can thus be disconnected, which means the efficiency of the PTO 16 increases and the deflection development that arises from friction decreases. Thus, the fuel consumption of the vehicle 1 can be reduced. As an alternative, the controllable coupling unit 56 could be arranged between the output shaft 22 and the socket module 30 without an adapter 48. However, the adapter 48 means that a number of hoses, pipes and connections for the connection and disconnection of the socket modules 30 can be eliminated, which makes that the power take-off 16 becomes compact and that the weight is reduced, which leads to the fuel consumption of the vehicle 1 being reduced.
    The controllable coupling unit 56 comprises an axially displaceable sleeve 57, which is displaced by the outside in the channels 50. The inside of the sleeve 57 is provided with splines 59, which cooperate partly with corresponding splines 59 on a first shaft pin 61 of the socket module 30, connected to the output shaft 22. on the other hand, splines 59 on a second shaft pin 63, which are connected to a rotatable component 64 of the socket module 30. When the control valve 52 receives a signal from the control unit 53 to open the channel 50, the uid will move the axially displaceable sleeve 57 to a position which allows engagement with both the first and second shaft pin splines 59. Thus, the output shaft 22 will drive the connected socket module 30. By closing the control valve 52, the pressure acting on the sleeve 57 will decrease, which causes the sleeve 57 to shift. axially along the shaft pins 61, 63 and exposes a clearance between them. Thus, the second shaft pin 63 will be disengaged from the first shaft pin 61, which means that the rotatable component 64 of the socket module 30 becomes stationary and the socket module 30 is thereby deactivated. The displacement of the sleeve 57 when closing the control valve 52 is effected by a spring element 65. It is possible to design the coupling unit 56 in another way, for example as a friction coupling.
    The adapter 48 is designed so that the socket modules 30 can be mounted in openings 60 with associated connection surfaces 36 of the body part 49. In the same way as the recesses 34 and the connection surfaces 36 of the housing 18 according to the other embodiments, the recesses 34 and the connection surfaces 36 of the body part 49 so designed that socket modules 30, regardless of type, can be connected to the output shafts 22 of the gears 24, 26, 32, 38, 40 22. The connection surfaces 36 can be provided with seals (not shown) for the socket modules 30. I fi g. 6, a spacer 48 is provided on one side of the housing 18. However, it is possible to provide an additional spacer 48 on the opposite side of the housing 18 for the purpose of arranging additional outlet modules 30 of the housing 18.
    Fig. 7 shows a sectional view of the intermediate piece 48 along the line VII - VII in Fig. 6. It can be seen from the figure how the channels 50 extend and branch off the frame 149 of the intermediate piece 48. The channels 50 extend from an outer surface 62 of the body part 49 where the pressure source 54 is connected. The ducts 50 extend from the outer surface 62 and on to each location where a socket module 30 can be connected and where a control valve 52 is located. Fig. 7 shows five possible connection locations for socket modules 30, but it is possible to connect ellers or fewer socket modules 30 to the power take-off 16.
    The stated components and features stated above can within the scope of the invention be combined between different specified embodiments.
    权利要求:
    Claims (14)
    [1]
    Power take-off comprising a housing (18), which at least partially houses an input shaft (20); at least one output shaft (22); a first transmission means (24) connected to the input shaft (20); a second transmission means (26) connected to the at least one output shaft (22); and at least one socket module (30), which is connected to the at least one output shaft (22); characterized in that the second transmission means (26) and the at least one output shaft (22) are mounted and dismountable in the housing (18).
    [2]
    Power take-off according to Claim 1, characterized in that the housing (18) is designed such that the second transmission means (26) and the at least one output shaft (22) can be mounted and dismounted in the housing (18) when the first transmission means ( 24) is mounted in the housing (18).
    [3]
    Power take-off according to Claim 1 or 2, characterized in that the housing (18) is designed such that the second transmission means (26) and the at least one output shaft (22) can be mounted and dismounted in the housing (18) when the input the shaft (20) is connected to a driveline (2).
    [4]
    Power take-off according to one of the preceding claims, characterized in that the housing (18) is designed such that the second transmission means (26) and the at least one output shaft (22) can be mounted and dismounted in the housing (18) when the housing (18) 18) is mounted on a vehicle (1).
    [5]
    Power take-off according to one of the preceding claims, characterized in that the second transmission means (26) is designed such that the at least one output shaft (22) can be connected to two socket modules (30).
    [6]
    Power take-off according to one of the preceding claims, characterized in that the second transmission means (26) is designed such that two socket modules (30) can be connected to the at least one output shaft (22) in opposite directions.
    [7]
    Power take-off according to one of the preceding claims, characterized in that a controllable coupling unit (56) is arranged between the at least one output shaft (22) and the at least one socket module (30).
    [8]
    Power take-off according to Claim 7, characterized in that an intermediate piece (48) is arranged between the housing (18) and the coupling unit (5 6), which intermediate piece (48) comprises a body part (49) which is provided with channels (5). 0) to lead fl uid to the switching unit (56) in order to control the switching unit (5 6) to a switched off or switched on position.
    [9]
    Power take-off according to Claim 8, characterized in that at least one control valve (52) is arranged in the body part (49), which control valve (52) is arranged to control fl uid to the coupling unit (5 6).
    [10]
    Power take-off according to one of the preceding claims, characterized in that the first and second transmission means (24, 26) are gears.
    [11]
    11. ll. Power take-off according to one of the preceding claims, characterized in that the at least one socket module (30) is a hydraulic pump or a connection flange.
    [12]
    Vehicle (1), characterized in that it comprises a power take-off (16) according to any one of the preceding claims.
    [13]
    Adapter for a power take-off according to claim 7, comprising a body part (49), which can be connected between the housing (18) and the coupling unit (56), characterized in that the adapter (48) is provided with channels (50) for lead fl uid to the switching unit (5 6) in order to control the switching unit (5 6) to a switched-off or switched-on position. 12
    [14]
    Adapter according to Claim 13, characterized in that at least one control valve (52) is arranged in the body part (49), which control valve (52) is arranged to control fl uid to the coupling unit (5 6).
    类似技术:
    公开号 | 公开日 | 专利标题
    SE1350615A1|2014-11-22|Power take-offs, vehicles with such a power take-off and an intermediate part for such a power take-off
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    同族专利:
    公开号 | 公开日
    KR101779139B1|2017-09-18|
    EP2999604B1|2018-04-18|
    EP2999604A4|2017-02-22|
    US20160129786A1|2016-05-12|
    RU2015150122A|2017-06-22|
    BR112015025089A2|2017-07-18|
    KR20160007619A|2016-01-20|
    EP2999604A1|2016-03-30|
    CN105228847A|2016-01-06|
    RU2628264C2|2017-08-15|
    ES2675173T3|2018-07-09|
    WO2014189456A1|2014-11-27|
    TR201809467T4|2018-07-23|
    US9707843B2|2017-07-18|
    CN105228847B|2017-11-07|
    SE540219C2|2018-05-02|
    PL2999604T3|2018-10-31|
    引用文献:
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    KR20190098174A|2016-12-22|2019-08-21|스카니아 씨브이 악티에볼라그|Power take-offs and their parts|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1350615A|SE540219C2|2013-05-21|2013-05-21|Power take-off, vehicles with such a power take-off and an intermediate part for such a power take-off|SE1350615A| SE540219C2|2013-05-21|2013-05-21|Power take-off, vehicles with such a power take-off and an intermediate part for such a power take-off|
    CN201480028967.9A| CN105228847B|2013-05-21|2014-05-21|PTO, the vehicle with the PTO and the middleware for the PTO|
    EP14801602.5A| EP2999604B1|2013-05-21|2014-05-21|Power take-off, vehicle with such a power take-off and an intermediate piece for such a power take-off|
    US14/889,494| US9707843B2|2013-05-21|2014-05-21|Power take-off, vehicle with such a power take-off and an intermediate piece for such a power take-off|
    RU2015150122A| RU2628264C2|2013-05-21|2014-05-21|Mechanism of power selection, vehicle with such mechanism and intermediary item for such mechanism|
    ES14801602.5T| ES2675173T3|2013-05-21|2014-05-21|PTO device, vehicle with said PTO device and an intermediate piece for said PTO device|
    BR112015025089A| BR112015025089A2|2013-05-21|2014-05-21|PTO, vehicle with such PTO, and an intermediate part for such PTO|
    PCT/SE2014/050625| WO2014189456A1|2013-05-21|2014-05-21|Power take-off, vehicle with such a power take-off and an intermediate piece for such a power take-off|
    PL14801602T| PL2999604T3|2013-05-21|2014-05-21|Power take-off, vehicle with such a power take-off and an intermediate piece for such a power take-off|
    TR2018/09467T| TR201809467T4|2013-05-21|2014-05-21|The intermediate gearbox is an intermediate piece for the vehicle with such an intermediate gearbox and for such an intermediate gearbox.|
    KR1020157035164A| KR101779139B1|2013-05-21|2014-05-21|Power take-off, vehicle with such a power take-off and an intermediate piece for such a power take-off|
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