CN210652836U - Wrecker and lifting platform thereof - Google Patents
Wrecker and lifting platform thereof Download PDFInfo
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- CN210652836U CN210652836U CN201921256556.1U CN201921256556U CN210652836U CN 210652836 U CN210652836 U CN 210652836U CN 201921256556 U CN201921256556 U CN 201921256556U CN 210652836 U CN210652836 U CN 210652836U
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Abstract
The utility model discloses a wrecker lifting platform, which comprises a frame, a first connecting rod, a second connecting rod, a bearing plate and a first hydraulic cylinder, wherein the frame comprises a mounting frame, a first mounting rod, a second mounting rod, a first mounting seat and a cushion block arranged on the upper surface of the mounting frame, and the cushion block is used for bearing the bearing plate; one end of the first connecting rod is hinged with the free end of the first mounting rod; one end of the second connecting rod is hinged with the first mounting seat; the bearing plate comprises a plate body, and a second mounting seat and a third mounting seat which are arranged on the plate body, wherein the second mounting seat is hinged with one end of the first connecting rod, which is far away from the first mounting rod, and the third mounting seat is hinged with one end of the second connecting rod, which is far away from the first mounting seat; one end of the first hydraulic cylinder is hinged with the free end of the second mounting rod, and the other end of the first hydraulic cylinder is hinged with the first connecting rod; the frame, the bearing plate, the first connecting rod and the second connecting rod form a four-bar linkage. The utility model provides a lift platform structure complicated, the higher problem of cost.
Description
Technical Field
The utility model relates to a wrecker field especially relates to a wrecker and lift platform thereof.
Background
The wrecker is used as a load transportation device and is commonly used for wrecker operation on expressways and urban roads. The general wrecker in the market is composed of a frame, a hoisting device, a lifting traction device, a hydraulic system, an electric control system, a vehicle body, a tool box and the like, and can complete multiple functions of hoisting, dragging, lifting traction and the like.
In the prior art, a frame of a common wrecker is provided with a set of lifting device and a set of translation device to realize the movement and the turnover of a bearing plate, and the wrecker has a complex structure and higher cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the lifting platform of the existing wrecker is required to be provided aiming at the problems of complex structure and high cost of the lifting platform of the existing wrecker.
The utility model provides a lifting platform of a wrecker, which comprises a frame, a first connecting rod, a second connecting rod, a bearing plate and a first hydraulic cylinder; the frame comprises a mounting frame, and a first mounting rod, a second mounting rod and a first mounting seat which are arranged on the mounting frame and are all arranged downwards; one end of the first connecting rod is hinged with the free end of the first mounting rod; one end of the second connecting rod is hinged with the first mounting seat; the bearing plate comprises a plate body, and a second mounting seat and a third mounting seat which are arranged on the lower surface of the plate body, wherein the second mounting seat is hinged with one end, away from the first mounting rod, of the first connecting rod, and the third mounting seat is hinged with one end, away from the first mounting seat, of the second connecting rod; one end of the first hydraulic cylinder is hinged with the free end of the second mounting rod, and the other end of the first hydraulic cylinder is hinged with the first connecting rod;
the frame, the bearing plate, the first connecting rod and the second connecting rod form a four-bar linkage, the first hydraulic cylinder is used for driving the first connecting rod to rotate so as to drive the bearing plate to be switched between a flat-laying state and a turning state, one end, close to the vehicle head, of the bearing plate is lifted up in the turning state, and one end, far away from the vehicle head, of the bearing plate moves and descends to the lower portion of the frame and is close to or contacts the ground.
Preferably, the first connecting rod with the articulated department of first installation pole is provided with first articulated shaft, the second connecting rod with the articulated department of first installation seat is provided with the second articulated shaft, the first connecting rod with the articulated department of second installation seat is provided with the third articulated shaft, the second connecting rod with the articulated department of third installation seat is provided with the fourth articulated shaft.
Preferably, the bearing plate is internally provided with a containing cavity, two opposite inner walls of the containing cavity are provided with sliding grooves, the wrecker lifting platform further comprises a transition plate contained in the containing cavity, a connecting shaft matched with the sliding grooves is arranged on the transition plate, one end of the transition plate is connected with the bearing plate in an extending state, and the other end of the transition plate is connected with the ground.
Preferably, the wrecker lifting platform further comprises a turnover mechanism, the turnover mechanism comprises a turnover plate hinged to one end, close to the ground, of the bearing plate, a fifth hinge shaft is arranged between the turnover plate and the bearing plate, and the fifth hinge shaft is parallel to the first hinge shaft;
the turnover mechanism also comprises a third connecting rod arranged on one side of the turnover plate facing the ground and a second hydraulic cylinder, one end of the second hydraulic cylinder is hinged with the third connecting rod, the other end of the second hydraulic cylinder is hinged with the bearing plate, and the second hydraulic cylinder is used for driving the turnover plate to turn over and abut against the ground; the second hydraulic cylinder is also used for driving the turnover plate to turn over and rise back from the state of abutting against the ground.
Preferably, the wrecker lifting platform further comprises a fourth connecting rod extending outwards from one end, close to the first mounting seat, of the second connecting rod, and the bearing plate is in a turnover state, and the fourth connecting rod is abutted to the ground.
Preferably, a groove for receiving a tire of an obstacle vehicle is formed in one end, close to the vehicle head, of the plate body, a limiting plate perpendicular to the groove and used for limiting the obstacle vehicle to move along the direction of an axle is arranged on one side of the plate body, and a through hole is formed in one side, far away from the limiting plate, of the groove;
wrecker lift platform still include with the locking mechanical system that the through-hole corresponds, locking mechanical system is including setting up locking seat on the mounting bracket, one end with the third pneumatic cylinder that the locking seat is connected, setting are in the locking piece of the other end of third pneumatic cylinder, the locking piece passes at the locking in-process the through-hole is in slide in the slot.
Preferably, the wrecker lifting platform further comprises a pushing-out mechanism and a strip-shaped hole formed in the bottom of the groove, wherein the pushing-out mechanism comprises a fourth mounting seat arranged on the mounting frame, a fourth hydraulic cylinder with one end connected with the fourth mounting seat, and a pushing block arranged at the other end of the fourth hydraulic cylinder and capable of lifting in the strip-shaped hole.
The utility model also provides a wrecker, including foretell wrecker lift platform.
The utility model discloses the frame including mounting bracket, first installation pole, second installation pole and first mount pad has been set up to set up with first installation pole articulated head rod, with first mount pad articulated second connecting rod and respectively with head rod and second connecting rod articulated bearing plate. The first connecting rod, the second connecting rod, the frame and the bearing plate form a set of four-bar linkage mechanism, and meanwhile, a first hydraulic cylinder for driving the first connecting rod to swing is arranged, so that the first hydraulic cylinder can drive the bearing plate to be switched between a flat state and a turning state, one end of the bearing plate, which is close to the head of the vehicle, is lifted up in the turning state, and one end, which is far away from the head of the vehicle, moves and descends to the lower part of the frame and is close to or contacts the ground. Compared with the prior art, the lifting platform of the wrecker has the advantages that the whole structure is simpler, and the manufacturing cost is greatly reduced.
In addition, the pin joint setting of head rod and second connecting rod and frame is in the below of mounting bracket, and the pin joint setting of head rod and second connecting rod and bearing plate can further compress the space between bearing plate and the frame in the below of plate body.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a lifting platform of a middle wrecker of the present invention;
FIG. 2 is a schematic structural view of the lift platform of the wrecker of FIG. 1 in another working state;
fig. 3 is a schematic structural view of another embodiment of the lifting platform of the middle wrecker of the invention;
FIG. 4 is a schematic structural view of a locking mechanism of a lifting platform of the wrecker in the embodiment of FIG. 1;
fig. 5 is a schematic structural diagram of a pushing-out mechanism of a lifting platform of the wrecker in the embodiment of fig. 1.
Detailed Description
The utility model provides a lifting platform of a wrecker, which comprises a frame 10, a first connecting rod 30, a second connecting rod 40, a bearing plate 20 and a first hydraulic cylinder 50, and is shown in figures 1 and 2; the frame 10 comprises a mounting frame 11, and a first mounting rod 13, a second mounting rod 12 and a first mounting seat 14 which are arranged on the mounting frame 11 and are all arranged downwards; one end of the first connecting rod 30 is hinged with the free end of the first mounting rod 13; one end of the second connecting rod 40 is hinged with the first mounting seat 14; the bearing plate 20 comprises a plate body 21, and a second mounting seat 22 and a third mounting seat 23 which are arranged on the lower surface of the plate body 21, wherein the second mounting seat 22 is hinged to one end, away from the first mounting rod 13, of the first connecting rod 30, and the third mounting seat 23 is hinged to one end, away from the first mounting seat 14, of the second connecting rod 40; one end of the first hydraulic cylinder 50 is hinged with the free end of the second mounting rod 12, and the other end is hinged with the first connecting rod 30;
the frame 10, the bearing plate 20, the first connecting rod 30 and the second connecting rod 40 form a four-bar linkage, the first hydraulic cylinder 50 is used for driving the first connecting rod 30 to rotate so as to drive the bearing plate 20 to switch between a flat state and a turning state, one end, close to the vehicle head, of the bearing plate 20 is lifted up in the turning state, and one end, far away from the vehicle head, of the bearing plate 20 moves and descends to the lower side of the frame 10 and is close to or contacts the ground.
A first hinge shaft 61 is arranged at the hinge joint of the first connecting rod 30 and the first mounting rod 13, a second hinge shaft 62 is arranged at the hinge joint of the second connecting rod 40 and the first mounting seat 14, a third hinge shaft 63 is arranged at the hinge joint of the first connecting rod 30 and the second mounting seat 22, a fourth hinge shaft 64 is arranged at the hinge joint of the second connecting rod 40 and the third mounting seat 23, and a cushion block 15 is further arranged on the upper surface of the mounting frame 11.
The utility model discloses frame 10 including mounting bracket 11, first installation pole 13, second installation pole 12, first mount pad 14 and cushion block 15 has been set up to set up with first installation pole 13 articulated head rod 30, with first mount pad 14 articulated second connecting rod 40 and respectively with head rod 30 and second connecting rod 40 articulated bearing plate 20. The first connecting rod 30, the second connecting rod 40, the frame 10 and the bearing plate 20 form a set of four-bar linkage mechanism, and meanwhile, the first hydraulic cylinder 50 for driving the first connecting rod 30 to swing is arranged, so that the first hydraulic cylinder 50 can drive the bearing plate 20 to switch between a flat state and a turnover state, in the turnover state, one end of the bearing plate 20 close to the locomotive is lifted, and one end of the bearing plate 20 far away from the locomotive is moved and lowered to the lower part of the frame 10 and is close to or contacted with the ground. Compared with the prior art, the lifting platform of the wrecker has the advantages that the whole structure is simpler, and the manufacturing cost is greatly reduced.
In addition, the pin joint of first connecting rod 30 and second connecting rod 40 and frame 10 sets up in the below of mounting bracket 11, and the pin joint setting of first connecting rod 30 and second connecting rod 40 and bearing plate 20 is in the below of plate body 21, can further compress the space between bearing plate 20 and the frame 10, sets up cushion block 15 in addition and also can play certain cushioning effect, avoids producing the rigidity collision between frame 10 and the bearing plate 20.
Further, referring to fig. 2, a containing cavity is further arranged in the bearing plate 20, sliding grooves are further formed in two opposite inner walls of the containing cavity, the wrecker lifting platform further comprises a transition plate 81 contained in the containing cavity, a connecting shaft matched with the sliding grooves is arranged on the transition plate 81, one end of the transition plate 81 is connected with the bearing plate 20 in an extending state, and the other end of the transition plate is connected with the ground. In the present embodiment, a transition plate 81 is provided to be received and extended so that the vehicle or cargo can be driven or pulled onto the bearing plate 20.
Further, referring to fig. 3, the wrecker lifting platform further comprises a turnover mechanism 70, the turnover mechanism 70 comprises a turnover plate 71 hinged to one end of the bearing plate 20 close to the ground, a fifth hinge shaft is arranged between the turnover plate 71 and the bearing plate 20, and the fifth hinge shaft is parallel to the first hinge shaft 61; the turnover mechanism 70 further comprises a third connecting rod 72 arranged on one side of the turnover plate 71 facing the ground and a second hydraulic cylinder 73, wherein one end of the second hydraulic cylinder is hinged to the third connecting rod 72, the other end of the second hydraulic cylinder is hinged to the bearing plate 20, and the second hydraulic cylinder 73 is used for driving the turnover plate 71 to turn over and lift back in a parallel connection state.
In the present embodiment, by providing the turning plate 71 and the second hydraulic cylinder 73 for driving the turning plate 71 to turn, when the end of the bearing plate 20 descends to approach the ground, the turning plate 71 turns and is supported by the ground, and the turning plate 71 can be used as a connecting plate between the bearing plate 20 and the ground, so that the vehicle or the cargo can be pulled on or pulled onto the bearing plate 20. The first hydraulic cylinder 50 then drives the lifting platform to be retracted and laid flat on the vehicle frame 10, and the turnover plate 71 is retracted and turned over to prevent the vehicle or the goods on the bearing plate 20 from falling off.
Further, referring to fig. 1 and 2, the lift platform of the wrecker further includes a fourth connecting rod 41 extending outwards from one end of the second connecting rod 40 close to the first mounting seat 14, and when the bearing plate 20 is in a turned-over state, the fourth connecting rod 41 abuts against the ground. The utility model discloses a set up fourth connecting rod 41 and can be used to support bearing plate 20, reduce the pressure of bearing the weight of thing to dead lever 11 on the obstacles removing car, promote lift platform's structural stability.
Further, referring to fig. 4, a groove 21a for receiving a tire of an obstacle vehicle is disposed at one end of the plate body 21 close to the vehicle head, a limiting plate 21b perpendicular to the groove 21a for limiting the obstacle vehicle to move along the direction of the axle is disposed at one side of the plate body 21, and a through hole 21c is disposed at one side of the groove 21a away from the limiting plate 21 b; the lift platform of the wrecker further comprises a locking mechanism 91 corresponding to the through hole 21c, wherein the locking mechanism 91 comprises a locking seat 91a arranged on the mounting rack 11, a third hydraulic cylinder 91b with one end connected with the locking seat 91a, and a locking block 91c arranged at the other end of the third hydraulic cylinder 91b, and the locking block 91c penetrates through the through hole 21c and slides in the groove 21a in the locking process. In the present embodiment, after the lock block 91c is retracted, the bearing plate 20 is retracted to the horizontal state, the lock block 91c passes through the through hole 21c and enters the groove 21a, and the third hydraulic cylinder 91b pushes the lock block 91c to slide inward from the through hole 21c along the groove 21a and to abut against the tire in the groove 21a, whereby the tire of the failed vehicle is restrained between the lock block 91c and the stopper plate 21 b.
Further, referring to fig. 5, the lift platform of the wrecker further includes a push-out mechanism and a strip-shaped hole 21d formed in the bottom of the groove 21a, wherein the push-out mechanism includes a fourth mounting seat 92a formed on the mounting frame 11, a fourth hydraulic cylinder 92b having one end connected to the fourth mounting seat 92a, and a push block 92c disposed at the other end of the fourth hydraulic cylinder 92b and lifting in the strip-shaped hole 21 d. The tire in the groove 21a can be ejected by providing the fourth hydraulic cylinder 92b and the push block 92c so that the faulty vehicle slides down from the load bearing plate 20.
In the present embodiment, the distance between the first hinge shaft 61 and the third hinge shaft 63 is 750-840 mm, the distance between the third hinge shaft 63 and the fourth hinge shaft 64 is 1900-2000 mm, the distance between the fourth hinge shaft 64 and the second hinge shaft 62 is 700-800mm, and the distance between the first hinge shaft 61 and the second hinge shaft 62 is 1700-1800 mm.
In this embodiment, when the bearing plate 20 is horizontally placed on the frame 10, an included angle between the first connecting rod 30 and the bearing plate 20 is 20 to 30 °, and a height of the first hinge shaft 61 from the ground is 400 to 500 mm.
In this embodiment, a support rod is provided at an outwardly extending end of the second connecting rod 40 hinged to the frame 10, and an included angle between the support rod and the second connecting rod 40 is 80-90 °; when one side of the bearing plate 20, which is close to the second connecting rod 40, descends to the lower part of the frame 10, the lower end of the supporting rod is abutted to the bottom edge to support the bearing plate 20, and the included angle between the bearing plate 20 and the ground is 10-20 degrees.
The utility model also provides a wrecker, including foretell wrecker lift platform.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a wrecker lift platform which characterized in that includes:
the frame comprises a mounting frame, and a first mounting rod, a second mounting rod and a first mounting seat which are arranged on the mounting frame and are all arranged downwards;
one end of the first connecting rod is hinged with the free end of the first mounting rod;
one end of the second connecting rod is hinged with the first mounting seat;
the bearing plate comprises a plate body, and a second mounting seat and a third mounting seat which are arranged on the lower surface of the plate body, wherein the second mounting seat is hinged with one end, away from the first mounting rod, of the first connecting rod, and the third mounting seat is hinged with one end, away from the first mounting seat, of the second connecting rod;
one end of the first hydraulic cylinder is hinged with the free end of the second mounting rod, and the other end of the first hydraulic cylinder is hinged with the first connecting rod;
the frame, the bearing plate, the first connecting rod and the second connecting rod form a four-bar linkage, the first hydraulic cylinder is used for driving the first connecting rod to rotate so as to drive the bearing plate to be switched between a flat-laying state and a turning state, one end, close to the vehicle head, of the bearing plate is lifted up in the turning state, and one end, far away from the vehicle head, of the bearing plate moves and descends to the lower portion of the frame and is close to or contacts the ground.
2. The lift platform of claim 1, wherein a first hinge shaft is provided at the hinge point of the first connecting rod and the first mounting seat, a second hinge shaft is provided at the hinge point of the second connecting rod and the first mounting seat, a third hinge shaft is provided at the hinge point of the first connecting rod and the second mounting seat, and a fourth hinge shaft is provided at the hinge point of the second connecting rod and the third mounting seat.
3. The lift platform of claim 1, further comprising a receiving cavity formed in the bearing plate, sliding grooves formed in two opposite inner walls of the receiving cavity, a transition plate received in the receiving cavity, a connecting shaft adapted to the sliding grooves formed in the transition plate, wherein one end of the transition plate is connected with the bearing plate in an extended state, and the other end of the transition plate is supported by the ground.
4. The wrecker lifting platform of claim 2, further comprising a turnover mechanism, wherein the turnover mechanism comprises a turnover plate hinged to one end of the bearing plate close to the ground, a fifth hinge shaft is arranged between the turnover plate and the bearing plate, and the fifth hinge shaft is parallel to the first hinge shaft;
the turnover mechanism also comprises a third connecting rod arranged on one side of the turnover plate facing the ground and a second hydraulic cylinder, one end of the second hydraulic cylinder is hinged with the third connecting rod, the other end of the second hydraulic cylinder is hinged with the bearing plate, and the second hydraulic cylinder is used for driving the turnover plate to turn over and abut against the ground; the second hydraulic cylinder is also used for driving the turnover plate to turn over and rise back from the state of abutting against the ground.
5. The obstacle clearance vehicle lift platform of claim 1, further comprising a fourth connecting rod extending outwardly from an end of the second connecting rod proximate the first mounting base, the fourth connecting rod abutting the ground when the bearing plate is in the inverted position.
6. The lift platform of the wrecker as claimed in claim 1, wherein a groove for receiving the tire of the obstacle vehicle is provided at one end of the plate body close to the headstock, a limiting plate perpendicular to the groove for limiting the obstacle vehicle to move along the direction of the axle is provided at one side of the plate body, and a through hole is provided at one side of the groove far from the limiting plate;
wrecker lift platform still include with the locking mechanical system that the through-hole corresponds, locking mechanical system is including setting up locking seat on the mounting bracket, one end with the third pneumatic cylinder that the locking seat is connected, setting are in the locking piece of the other end of third pneumatic cylinder, the locking piece passes at the locking in-process the through-hole is in slide in the slot.
7. The wrecker lifting platform of claim 6, further comprising a push-out mechanism and a strip-shaped hole formed in the bottom of the groove, wherein the push-out mechanism comprises a fourth mounting seat arranged on the mounting frame, a fourth hydraulic cylinder with one end connected with the fourth mounting seat, and a push block arranged at the other end of the fourth hydraulic cylinder and lifting in the strip-shaped hole.
8. A wrecker truck characterized by comprising the wrecker truck lifting platform of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921256556.1U CN210652836U (en) | 2019-08-05 | 2019-08-05 | Wrecker and lifting platform thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921256556.1U CN210652836U (en) | 2019-08-05 | 2019-08-05 | Wrecker and lifting platform thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652836U true CN210652836U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921256556.1U Active CN210652836U (en) | 2019-08-05 | 2019-08-05 | Wrecker and lifting platform thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210652836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395168A (en) * | 2019-08-05 | 2019-11-01 | 湖南星通汽车制造有限公司 | Obstacles removing car and its hoistable platform |
-
2019
- 2019-08-05 CN CN201921256556.1U patent/CN210652836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395168A (en) * | 2019-08-05 | 2019-11-01 | 湖南星通汽车制造有限公司 | Obstacles removing car and its hoistable platform |
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