专利摘要:
Summary The invention relates to a collapsible rear lamb for a cargo container (2), comprising a lanyard mechanism (28), which is pivotally connected to the rear lamb (1) and the cargo container (2), at least one force member (22), which is connected to the cargo container (2). and arranged to fold the tailgate (1) between a raised layer in which the tailgate (1) at least partially extends a rear opening (16) of the cargo container (2) and a sunken ldge in which the rear opening (16) of the truck (2) is open. The tailgate (1) is arranged at the load container (2) so that the tailgate (1) is lowered below the load container (2) and so that the pivotal connection of the tongue mechanism (28) to the truck (2) ends up between the tailgate (1) and the truck. (2). The invention also relates to a truck (2) with such a fallible rear lamb (1) and a vehicle (4) with such a truck (2). (Fig. 2)
公开号:SE1350725A1
申请号:SE1350725
申请日:2013-06-13
公开日:2014-12-14
发明作者:Johan K Ericsson
申请人:Atlas Copco Rock Drills Ab;
IPC主号:
专利说明:

Dropable tailgate, a truck with such a Mbar tailgate and a vehicle with such a truck.
BACKGROUND OF THE INVENTION AND PRIOR ART The present invention relates to a foldable backing dam for a truck at a mining dump truck according to the preamble of claim 1. The invention also relates to a cargo container with such a foldable rear lamb according to the preamble of claim 10. The invention also relates to a vehicle with such a truck according to the preamble of claim 12. 10 Folding lids for trucks and lorries are known. Such lids are pivotally mounted at two or more points at the load carriage and can be automatically foldable. It is also a good idea to arrange downhill backs on trucks. The rear fenders often have a hinge welded to the outer rear edge of the truck and are opened with a tank, which is mounted on the Emmen.
There are also hinges that open upwards as they are usually hinged at the top of the truck and controlled in the same way. In addition to mining equipment, there is also a combination of these ldmmar, that is to say two-part lambs where one opens up and one opens down.
A problem with leaves that open downwards and are articulated in the outer rear edge of the truck, is that the lid reduces the clearance when tipping and because when tipping it ends up closer to the ground than the rear edge of the truck. This applies at the front if the truck projects rearwards behind the truck's articulation point, which means that the rear part of the truck forms an overhang. A large overhang is commonly found on underground mining trucks. In the event that the tailgate is fitted with a tankage at the rear edge of the truck, the linkage can be damaged by tipping if it comes into contact with the ground or with objects lying on the ground. 2 The problem with lambs opening upwards is that an obstacle is formed for the load because the lambs and their tankage are arranged across the upper side of the cargo container. It is possible that the load when tipping will hit parts of the lambs, which entails large strains on the lambs, which claimed can fail.
Document US3322464, A shows a truck with a truck, which is provided with a fallible rear lamb. A hydraulic cylinder is arranged to swing the rear lamp between an open and a closed lid. In the open Own protrudes the rear lamb rear from the cargo tank.
Document SE391898, B shows a dropable lamb for a vehicle flatbed. The lambs include a lower and upper lamb. A lanyard coupling is arranged between the lower lamb and the platform. A hydraulic cylinder, which is connected to the flatbed and the link coupling, is arranged to pivot the lower lamb between an open and closed bearing. In the open layer, the lower lamb protrudes backwards from the flake and forms an enlargement of the surface of the flake.
In order to be able to empty a truck of, for example, a mining dump truck, the truck barrel-set with a controlled rear lamb is arranged to be moved between a rod and an open bearing. The container can either be tipped or fixedly attached to the mine dump truck. Since the load container is fixedly arranged at the mine dump truck, a pressure plate, which is located at the frame of the load container, is arranged to push the load out of the load container, when the controlled rear lamp is in sieve open space. A common bending on such a truck is a launch pad.
Especially in the case of a type of mining dump truck, which is provided with a fixed cargo tank and which is used for unloading in the area with a low ceiling height, where a tiltable cargo car can not be used, the controlled rear dam moves down towards the rear wheels, as it is opened for unloading the contents.
When opening the controlled tailgate at a mine dump truck with a fixed load of the above-mentioned type, a problem arises in that the available movement path for opening the controlled tailgate is limited, that is to say, it is limited from the ground to the bottom of the truck. . This means that the load that can be loaded on the loader is limited by the height of the controlled rear lamp. 3 The sides of the container are usually higher than the height of the controlled rear lamp in its closed position. The rear part of the sides of the cargo container therefore usually slopes obliquely backwards towards the upper edge of the controlled rear lamp, whereby a dead space arises where no load can be placed.
One way to reduce this problem is to design the steered rear lamb in the form of a circular bearing, and to allow a portion of the lower portion of the circular rear-shaped, steered taillight to enter between the rear wheel pair of the fixed-load mine dump truck. In this way, the height of the controlled rear lamb can be increased and the load capacity of the truck can be increased. However, the height of the rear lamp remains lower on the sides of the truck. The tailgate is opened and closed by means of hydraulic cylinders arranged on both outer sides of the truck, which are partly connected to the outer sides of the truck and partly to the rear lamb. The placement of the hydraulic cylinders on the outside of the truck means, however, that they can be subjected to stresses and break down if the truck, for example, is driven into a mine tunnel and the cylinders abut against the rocker walls.
Document SE530295, B shows a mechanical tailgate for cargo containers where the opening and closing movement of the tailgate takes place in the form of a circular movement. In the open layer, the rear lamb is placed under the load tank. The opening and closing of the tailgate is effected by hydraulic cylinders arranged on both sides of the truck. The container is provided with a pressure plate, which pushes the fastener out of the container.
SUMMARY OF THE INVENTION Against the background above, there is a need to further develop a fallible tailgate and a truck with such a fallible tailgate.
The object of the present invention is to provide a fallible rear lamb, which allows increased ground clearance when tipping when it is mounted on a truck. A further object of the invention is to provide a fallible rear lambing which, when tipping a cargo container, protects a lane mechanism connected to the lambs and the cargo container.
Another object of the invention is to provide a fallible rear lambing which, when tipping a loading container, protects a force means arranged for forming the lambs.
Another object of the invention is to provide a fallible rear lambing which, when tipping a container, does not end up in the heap of the material tipped from the container.
Another object of the invention is to provide a fallible rear lambing which, when tipping a container, does not prevent the tipping of the container.
Another object of the invention is to provide a collapsible tailgate which has a modularization and can thus be mounted on loads of different shapes and sizes.
Another object of the invention is to provide a fallible rear lamb which requires a small movement when falling up and down on a truck.
These objects are achieved with a fallible rear lamb of the kind mentioned in the introduction, which can be characterized by the special features stated in claim 1. These objects are also achieved with a loading vessel of the kind mentioned in the introduction, which can be characterized by the salt features stated in claim 10. These objects are also achieved with a vehicle of the type mentioned in the introduction, which can be characterized by the features stated in claim 12.
By arranging the lambs at the loading container, so that in the fallen layer it is covered under the loading container and so that the pivotal connection of the lane mechanism to the pallet ends up between the lambs and the pallet, the lambs in the fallen layer will protect the pivoting connection of the lane mechanism with the pallet. nationality of business figures.
According to one embodiment, the lambs are arranged to whiten against the underside of the cargo container. This means that a large ground clearance is stored when tipping the container. At the same time, the lambing mechanism and the power member are relieved under high load on the lambing. Such a high load on the lambs in a fallen position can occur when the loader is in tipping position and when the loader and ldm are resting on the ground or on an object lying on the ground.
According to one embodiment, the power means is connected to the lance mechanism so that the connection of the power means to the lane mechanism ends up between the lambs and the cargo container when the lambs are in a fallen position. In this way, Emmen in the fallen team will protect the power member's connection to the lane mechanism, which means that the lambs' fallable functionality is compromised.
According to a further embodiment, the lane mechanism comprises first and second lane arms, each of which is pivotally connected to the lambs and the cargo container. This means that the movement of the lambs between the raised and fallen layer can be given an advantageous movement in which the swing of the lambs about an axis which coincides with the longitudinal direction of the lambs is minimized. Thus, the time to fall the lambs can be minimized and the stroke of the power member to perform the fall of the Emmen can be minimized.
According to a further embodiment, the first lung arm has a substantial extension in the longitudinal direction of the lambs. This increases the stability of the lane mechanism, which means that the force means can be dimensioned to only exert and absorb forces in one direction. Thus, it is sufficient to arrange only one force member in the form of, for example, a hydraulic cylinder between the cargo container and the first lane arm.
According to a further embodiment, the second long arm comprises two long arms formed on each side of the first long arm. This makes it possible to use the lambs on loads of different shapes and sizes. The other long arms can be placed at a distance from the first long arm, which is adapted to the shape and size of the truck.
According to a further embodiment, two force means are arranged to drop the lambs, which force means are connected to the respective other long arm. Depending on the shape 6 and size of the truck, the power members can be arranged so that they project a minimal or non-existent distance under the truck. Such a unloading is advantageous if the truck is fixedly attached to a vehicle and is of the ejector platform type, since it is undesirable to arrange an ejector platform as Mgt as possible (want & ground surface.
Further advantages of the invention will become apparent from the following detailed description.
BRIEF DESCRIPTION OF THE DRAWINGS In the following, by way of example, preferred embodiments of the invention are described with reference to the accompanying drawings, in which: Fig. 1 shows a side view of a collapsible tailgate for a truck according to a first embodiment of the present invention, Fig. 2 shows Fig. 3 shows a side view of the foldable tailgate for a truck according to the first embodiment of the present invention, Fig. 4 shows a perspective view of the foldable tailgate for a truck according to the first embodiment of the present invention. Fig. 6 - 8 shows sectional views through the line V - V in Fig. 5, and Fig. 9 shows a rear view of the cargo container with the collapsible rear lamp according to the first embodiment of the present invention. of fixed load box with the foldable rear lamp according to the invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION Fig. 1 shows a side view of a foldable rear lamb 1 for a loading trough 2 according to a first embodiment of the present invention. The loading trough 2 is arranged on a wheeled vehicle 4 in the form of a trailer, which has a trailer 6 with two. wheel 8. The load carriage 2 is tiltably mounted on the chassis 6 and can be conveyed to a load bearing and to a tipping layer by means of a tipping cylinder 10 arranged on each side of the chassis 6, which are connected to the chassis 6 and the cargo carriage 2. The wheeled vehicle 4 in the form of a trailer is also provided with a coupling device 12 for coupling to a towing vehicle 14, which is shown schematically in Fig. 1. The load carriage 2 with the dropable rear lamp 1 according to the invention can also be arranged directly on a truck, such as a truck or a dump truck, which / ands in mining. In Fig. 1, the rear lamb 1 is shown in a striking bearing when the load tank 2 is in the load position. In the raised layer, the rear dam 1 thanks a rear portion in the form of a rear opening 16 of the cargo container 2, which opening 16 is defined by the side rungs 18 of the loading bin 2 and a bottom wall 20. In the raised layer the task of the rear lamb 1 is to prevent loading in the loading bin. 2 falls out of the truck 2.
In the event that the load carriage 2 is to be emptied, the tipping cylinders 10 are activated to raise the load carriage 2 to a tipping position. In order for the load to be able to leave the load tank 2, the rear lamb 1 must be lowered to a lowered height, so that the rear opening 16 of the load tank 2 is opened. At least one force member 22 is connected to the cargo vessel 2 and arranged to fall the gap 1 between the raised and fallen Paget. The force means 22 may be a hydraulically or pneumatically controlled cylinder or be an electrically controlled force means.
Fig. 2 shows a side view of the cargo container 2 with the collapsible rear lamp 1 according to the first embodiment of the present invention. In Fig. 2, the rear lamb 1 has been started to fall to a fallen Idge. Thus, the rear lamp 1 is located in an Idge between the raised and fallen ledge. A longitudinal mechanism 28 is pivotally connected to the tailgate 1 and the loading vessel 2, so that the tailgate 1 can be pivoted with a predetermined movement between the raised and fallen layer. In connection with the folding of the rear dam 1 being started, the tilting of the load carriage 2 will also be started. The tilting of the load carriage 2 and the lowering of the rear lamp 1 is preferably performed automatically and synchronously by an operator actuating a control unit 24 through a switch 26. If the load carriage 2 is to be tilted, the operator actuates the switch 26, so that the control unit 26 activates the tilting cylinders 10 and the power means 22 for finding the tailgate 1. The return of the load carriage 2 to the load layer and the raising of the rear lamb 1 to the raised layer is preferably performed automatically and synchronously by the operator actuating the control unit 24 through the switch 26. When the load carriage 2 is to be lowered to the cargo hold, the operator touches the switch 26 , so that the control unit 26 activates the tipping cylinders 10 and the power means 22 for lowering the load tank 2 and lowering the rear dam 1.
Fig. 3 shows a side view of the cargo container 2 with the foldable rear lamb 1 according to the first embodiment of the present invention. In Fig. 3, the cargo container 2 is in a tipping position and the rear body 1 in a fallen layer. The rear lamp 1 is arranged at the cargo container 2 so that the rear lamp 1 in the lowered lid is the bellows under the cargo container 2 and so that the pivotal connection of the link mechanism 28 to the cargo container 2 ends up between the rear lamp 1 and the cargo container 2. The expression "under" 2 by arranging the rear lamb 1 at the load container 2, so that in the lowered lid it is the bellows under the load vessel 2 and so that the pivotal connection of the lane mechanism 28 with the load vessel 2 ends up between the rear lamb 1 and the load vessel 2, the rear dam 1 enters the fallen load to protect the pivotal connection of the lane mechanism 28 to the cargo container 2, which means that the pluggable functionality of the rear lamp 1 is maintained. As can be seen from Fig. 3, the tailgate 1 is arranged to rest against the underside of the cargo container 2. This ensures a large ground clearance when tipping the load carriage 2. At the same time as the steering mechanism 28 and the power member 22 are relieved at high load on the rear lamp 1. Such a high load on the rear lamp 1 can fall when the cargo container 2 is in tipping position and when the cargo container 2 and the rear lamp 1 rests on the ground or on an object lying on the ground.
Fig. 4 shows a perspective view of the collapsible rear dam 1, the lane mechanism 28 and the power member 22. It can be seen from Fig. 4 that the lane mechanism 28 comprises first and second lane arms 30, 32, each of which is pivotally connected to the rear latch 19 and the cargo vessel 2. The data mean that the movement of the rear door 1 between the raised and lowered lid can be given an advantageous movement where the pivot of the rear door 1 about an axis which coincides with the longitudinal direction of the rear lamp 1 is minimized. Thus, the time for falling the rear dam 1 can be minimized and the stroke of the power member 22 to perform the lowering of the rear lamb 1 can be minimized. It can also be seen from Fig. 4 that the first and second lane arms 30, 32 have different lengths. Preferably, the first lance arm 30, which is connected to the power member 22, is longer than the second lane arms 32. Thus, the distance between the attachment points on the cargo vessel 2 and the rear dam 1 stone for the first lane arm 30 is equal to the distance of corresponding attachment points for the other lane arms 32. Data longitudinal relationship between the first and second lane arms 30, 32 gives the rear lamb 1 favorable advantageous movement between the raised and lowered lid. The first and second lane arms 30, 32 form with their storage points in the cargo tank 2 and the rear lamb 1 a four-joint mechanism.
The force means 22 is connected to the lane mechanism 28 so that the connection of the force means 22 to the lane mechanism 28 ends up between the rear lamb 1 and the load carriage 2 when the rear lamb 1 is in the lowered ldge. Thereby, the rear lamb 1 in the fallen layer will all protect the connection of the power member 22 to the lane mechanism 28, which means that the fallable functionality of the rear lamb 1 is compromised. The first lead arm 30 has a significant spread in the longitudinal direction of the rear lamb 1. Thus, the stability of the tongue mechanism 28 and the force member 22 can be dimensioned to only exert and absorb forces in one direction, which means that only a force member 1 in the form of, for example, a hydraulic cylinder can be arranged between the cargo vessel 2 and the first tongue arm 30.
The second support frame 32 includes two support frames formed on each side of the first support frame. This means that it is possible to use the back dam 1 on loads 2 of different shapes and sizes. The second longitudinal arms 32 can be placed at any distance from the first longitudinal arm 30, which distance is adapted to the shape and size of the load carriage 2.
Fig. 5 shows a rear view of the cargo container 2 with the collapsible rear dam 1 according to the first embodiment of the present invention. It can be seen from Fig. 5 how the force member 22 is connected to the first lane arm 30 and in the middle thereof. On both sides of the first lead arm 30, the other long arms 32 are arranged. The rear lamp 1 is shown in a striking direction and thanks to the rear part in the form of the rear opening 16 of the load carriage 2. Thus, the rear lamp 1 has a shape and size which substantially corresponds to the rear opening of the truck 2, which is defined by the side walls of the truck 2. 18 and bottom cradle 20. The load carriage 2 has a width which substantially corresponds to the width between the outer surfaces of the wheels 8. In order for the load carriage 2 and the wheels 8 not to come into conflict with each other, the cargo carriage 2 is designed with recesses 34, which have a size adapted to the size of the wheels 8. Figures 6 - 8 show sectional views through the line V - V in Fig. 5 for different layers of the load tank 2 and the rear dam 1. Fig. 6 shows the rear dam 1 in a striking length when the load tank 2 is in the load saddle and where the rear dam 1 thanks the rear opening 16 of the loading vessel 2. It can be seen how the power means 22 in the form of a hydraulic cylinder is connected to the loading vessel 2 and the first support arm 30. It also appears that the power means 22 is connected to a bracket 36 on the underside of the loading vessel 2. The bracket 36 extends from the underside of the cargo container 2 and is connected to the chassis 6 via a pivot joint 38. When the cargo container 2 is tilted, the cargo container 2 will pivot around the pivot joint 38.
In Fig. 7, the rear dam 1 has been drilled to MIAs to a fallen layer. The force member 22 has been activated and pulled the first link mechanism 30 in the direction of the force member 22's attachment to the load carriage 2. Both the first support arm 30 and the other support arms 32 have begun to pivot about their attachment points with the underside of the load vessel 2. The rear dam 1 has thus followed the pivoting movement. made by the first link arm and the second link arms 32. Fig. 7 also shows the first link arm 30 and the other link arms 32 are pivotally connected to the rear dam 1. When the rear dam 1 falls down, the rear dam 1 will perform in a first stage an oscillating movement in a downward direction in relation to the load carriage 2 in order to continue in the final stage of the falling down the oscillating movement in an upward movement towards the underside of the cargo container 2. 11 In Fig. 8 the cargo vessel 2 is in tipping position and the rear lamb 1 in a collapsed ldge. further pulled the first link mechanism 30 in the direction of the attachment of the power member 22 to the cargo container 2, so that the clamp 1 is located in the lowered lid, the bellows is below the load carriage 2. It can be seen from Fig. 8 how the pivotable connection of the lanyard arms 30, 32 to the cargo container 22 and the pivotable connection of the power member 22 to the first lane arm ends between the rear lamb 1 and the cargo vessel 2, thanks to and protects the pivotal connection of the link arms 30, 32 to the cargo hold 2 and the pivotal connection of the force member 22 to the first support arm 30 against external influences from the ground or from objects lying on the ground. Fig. 9 shows a rear view of a truck 2, which is fixedly arranged on the chassis 6 and which truck 2 is thus not tiltable. In order to fold the rear dam 1, two force means 22 are arranged, which force means 22 are connected to respective other longitudinal arms 32. Thus, depending on the shape and size of the cargo hold 2, the force means 22 can be arranged so that it projects a minimal or inconvenient distance below the cargo hold 2. unloading is advantageous when the cargo hold 2 is fixedly arranged at the chassis and is of the ejector platform type, since it is undesirable to arrange an ejector platform sA Mgt as possible above the ground surface. According to this embodiment, the force means 22 can be connected to the load vessel 2 in the space formed between the respective wheels 8 and the respective side of the load vessel 2 in the recesses 34. Thus, the wheels 8 will protect the force means 22 against external influence from, for example, projecting rock sections in a mining tunnel ndr cargo tank 2 is carried out in the mining tunnel.
The stated components and features stated above can be combined within the scope of the invention between different specified embodiments. 12
权利要求:
Claims (13)
[1]
A dropable rear lamb for a cargo container (2), comprising a lanyard mechanism (28), which is pivotally connected to the rear lamb (1) and the cargo container (2), at least one force means (22), which is connected to the cargo container (2) and arranged to fah. the rear lamp (1) between a striking bearing in which the rear lamp (1) at least partially extends a rear opening (16) of the cargo container (2) and a collapsed bearing in which the rear opening (16) of the cargo container (2) is the app, characterized in that the rear lamp (1) is arranged at the load container (2) so that the rear lamp (1) is covered under the load container (2) in a fallen position and so that the pivotal connection of the lane mechanism (28) to the load container (2) ends up between the rear lamp (1) and the load container (2). ).
[2]
Baking lamb according to claim 1, characterized in that the at least one force means (22) is connected to the lane mechanism (28).
[3]
Rear lamb according to claim 2, characterized in that the connection of the at least one force member (22) to the lane mechanism (28) ends up between the rear lamb (1) and the cargo container (2) when the rear lamb (1) is in a fallen position.
[4]
Rear lamb according to one of the preceding claims, characterized in that the lane mechanism (28) comprises first and second lane arms (30, 32), each of which is pivotally connected to the rear lamb (1) and the cargo container (2).
[5]
Rear lamb according to claim 4, characterized in that the first lane arm (30) has a substantial extension in the longitudinal direction of the rear lamb (1).
[6]
Rear lamb according to claim 4 or 5, characterized in that the power means (22) is connected to the first lane arm (30).
[7]
Rear lamb according to any one of claims 4 to 6, characterized in that the second lanyard arm (32) comprises two lanyard arms formed on each side of the first lanyard arm (30). 13
[8]
Rear lamb according to claim 7, characterized in that two force means (22) are arranged at Ella the rear dam (1), which force means (22) are connected to the respective other long arm (32).
[9]
Rear lamb according to one of the preceding claims, characterized in that in the lower part of the rear dam (1) the rear dam (1) is arranged to rest against the underside of the load container (2).
[10]
Cargo container (2), characterized in that it comprises a foldable rear lid (1) according to any one of claims 1 - 9.
[11]
Cargo container according to claim 10, characterized in that the cargo container (2) is tiltable.
[12]
Vehicle (4), characterized in that it comprises a truck (2) according to any one of claims 10-11.
[13]
Vehicle according to claim 12, characterized in that the vehicle (4) is a wheeled vehicle of the truck, trailer or mining dump type. 4 1 12 6 2/16 2232
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同族专利:
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CA2909509C|2021-05-11|
CA2909509A1|2014-12-18|
CN105283352B|2017-07-14|
US9403468B2|2016-08-02|
EP3007930A1|2016-04-20|
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WO2014200410A1|2014-12-18|
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
SE1350725A|SE537404C2|2013-06-13|2013-06-13|Folding rear hatch, a load box with such a folding rear hatch and a vehicle with such a load box|SE1350725A| SE537404C2|2013-06-13|2013-06-13|Folding rear hatch, a load box with such a folding rear hatch and a vehicle with such a load box|
US14/784,495| US9403468B2|2013-06-13|2014-05-22|Foldable tailgate, a load bed with such a foldable tailgate and a vehicle with such a load bed|
PCT/SE2014/050632| WO2014200410A1|2013-06-13|2014-05-22|A foldable tailgate, a load bed with such a foldable tailgate and a vehicle with such a load bed|
CA2909509A| CA2909509C|2013-06-13|2014-05-22|A foldable tailgate, a load bed with such a foldable tailgate and a vehicle with such a load bed|
PE2015002272A| PE20151828A1|2013-06-13|2014-05-22|A FOLDING UNLOADING DOOR A LOADING PLATFORM WITH SAID FOLDING UNLOADING DOOR AND A VEHICLE WITH SAID LOADING PLATFORM|
EP14811232.9A| EP3007930B1|2013-06-13|2014-05-22|A foldable tailgate, a load bed with such a foldable tailgate and a vehicle with such a load bed|
CN201480033556.9A| CN105283352B|2013-06-13|2014-05-22|Foldable backboard, the loader shovel with the foldable backboard and the vehicle with the loader shovel|
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