Car arrester for rubber-tyred vehicle

Abstract

The invention relates to a car arrester for a rubber-tyred vehicle, which comprises an upper mounting plate connected with a frame, a connecting rod mechanism rotatably connected to the lower end surface of the upper mounting plate, a driving mechanism for driving the connecting rod mechanism to rotate, a lower mounting plate connected to the bottom end of the connecting rod mechanism, and a car arresting mechanism connected to the lower mounting plate, the car stopping mechanism comprises a car stopping block and a supporting plate which are arranged on the upper side and the lower side of the lower mounting plate, the supporting plate and the car stopping block are connected through two guide columns, guide groove holes allowing the guide columns to penetrate through are formed in the lower mounting plate, and the length direction of the guide groove holes is perpendicular to the axial direction of the wheels. The driving mechanism drives the connecting rod mechanism to rotate so that the car stopping block can be close to or far away from the wheel, efficiency is higher, cost is lower, the car stopping block and the supporting plate are arranged on the upper side and the lower side of the lower mounting plate, and therefore the car stopping block is movably hung on the lower mounting plate and is in non-rigid connection, and in the car stopping block retracting and releasing process, the car stopping block can be retracted. The connecting rod mechanism lower mounting plate is not in contact with wheels and the ground, ground friction and tire adhesive force do not need to be overcome, and running is more reliable.

Description

Technical Field

[0001] This invention relates to the field of engineering vehicle technology, and in particular to a vehicle stopper for rubber-tired vehicles. Background Technology

[0002] As one of the main tools for underground transportation, rubber-tired vehicles will benefit from the design and use of intelligent vehicle stoppers. This will inject new concepts of technological management into underground transportation, reduce manual operation, improve the level of intelligence, and greatly reduce the occurrence of safety accidents and violations in underground transportation. Traditional vehicle stoppers require manual operation by the driver and passenger when the vehicle is separated, which poses safety hazards and results in a narrow stopping area.

[0003] Patent No. CN202422154353.9 discloses an automated vehicle stopper for rubber-tired vehicles, including a rubber-tired vehicle body. A controller is installed in the cab of the rubber-tired vehicle body, and an air storage tank is provided on one side of the rear end of the rubber-tired vehicle body. Vehicle stopper assemblies are provided on both rear wheels of the rubber-tired vehicle body. Each of the two vehicle stopper assemblies includes a first hydraulic cylinder detachably and fixedly connected to the bottom of the air storage tank and the lower bottom of the rear end of the rubber-tired vehicle body. The telescopic ends of the two first hydraulic cylinders are respectively fixedly connected to connecting blocks. Both first hydraulic cylinders are electrically connected to the air storage tank and the controller. This device greatly reduces manual operation and improves the safety factor of rubber-tired vehicle transportation. It allows the driver and passengers to start the vehicle stopper assembly automatically at a designated position with one button without leaving the cab, greatly improving the safety management level and intelligent operation level of underground transportation. This patent uses two hydraulic cylinders to push the wheel stop block under the wheel. However, the two cylinders move in separate steps, making it impossible to push the wheel stop block into place in one go, resulting in low efficiency. Furthermore, the resistance to the horizontal pushing and clamping of the wheel stop block is greater during wheel movement, leading to poor reliability. Therefore, this invention proposes a wheel stop block for rubber-tired vehicles. Summary of the Invention

[0004] The main objective of this invention is to provide a vehicle stopper for rubber-tired vehicles to solve the problems mentioned in the background art.

[0005] The present invention achieves the above-mentioned objective through the following technical solution: a wheel stop for rubber-tired vehicles, comprising an upper mounting plate for connecting to the vehicle frame, a linkage mechanism rotatably connected at its top to the lower end face of the upper mounting plate, a drive mechanism for driving the linkage mechanism to rotate, a lower mounting plate connected to the bottom end of the linkage mechanism, and a wheel stop mechanism connected to the lower mounting plate. The wheel stop mechanism includes wheel stop blocks and a support plate distributed on the upper and lower sides of the lower mounting plate. The support plate and the wheel stop blocks are connected by two guide posts. The lower mounting plate is provided with guide slots through which the guide posts pass, and the length direction of the guide slots is perpendicular to the axial direction of the rubber-tired vehicle wheel.

[0006] Preferably, the linkage mechanism includes four linkage assemblies connected between the upper mounting plate and the lower mounting plate. A plurality of L-shaped plates are provided on a pair of opposite surfaces of the upper mounting plate and the lower mounting plate. The ends of the linkage assemblies are rotatably connected to the L-shaped plates by pins. The upper mounting plate, the lower mounting plate, and the four linkage assemblies constitute a foldable parallelogram frame.

[0007] Preferably, the linkage assembly includes a first linkage, with second linkages fixed to both ends of the first linkage, and the second linkages are arranged in pairs to clamp the first linkage in the middle.

[0008] Preferably, the drive mechanism includes a hydraulic cylinder, with two clamping plates fixed to the end of the cylinder body, a connecting plate fixed to the lower end face of the upper mounting plate, the clamping plates being rotatably connected to the connecting plate via pins, a shaft being fixed between the first connecting rods of the two connecting rod assemblies away from the rubber-wheeled vehicle wheel, and a collar being fixed to the top rod of the hydraulic cylinder, the collar being movably sleeved on the shaft.

[0009] Preferably, the shaft is provided with limiting sleeves on both sides of the collar.

[0010] Preferably, when the guide post is located at the end of the slot away from the wheel, the right end of the lower mounting plate does not exceed the right end of the wheel-stopping block.

[0011] Preferably, the lower half of the first connecting rod is provided with two second slots along its length, and the second connecting rod is provided with fixing holes. The two second connecting rods are fixed by bolts and nuts passing through the fixing holes and the second slots.

[0012] The beneficial effects of the technical solution of the present invention are as follows: the vehicle stopper drives the linkage mechanism to rotate through the drive mechanism, thereby causing the vehicle stop block to move closer to or away from the wheel. Only a single rotation action is needed to place and retract the vehicle stop block, which is more efficient and less costly. The vehicle stop block and the support plate are located on the upper and lower sides of the lower mounting plate, so that the vehicle stop block is movably "suspended" on the lower mounting plate. The connection is non-rigid. During the process of placing and retracting the vehicle stop block, the lower mounting plate does not contact the wheel and the ground, so there is no need to overcome ground friction and tire adhesion, making the operation more reliable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the retracted structure of a tire brake for rubber-tired vehicles, as shown in the example.

[0014] Figure 2 This is a schematic diagram of the vehicle stopper structure for rubber-tired vehicles in the vehicle stopping state, as shown in the example.

[0015] Figure 3This is a schematic diagram of a linkage mechanism.

[0016] Figure 4 This is a schematic diagram of the vehicle blocking mechanism.

[0017] The numbers in the diagram represent: 1. Upper mounting plate; 2. Linkage mechanism; 3. Drive mechanism; 4. Lower mounting plate; 5. Vehicle blocking mechanism; 6. Vehicle blocking block; 7. Support plate; 8. Guide post; 9. Slot; 10. Wheel; 11. Linkage assembly; 12. L-shaped plate; 13. First link; 14. Second link; 15. Hydraulic cylinder; 16. Clamping plate; 17. Connecting plate; 18. Shaft; 19. Collar; 20. Limiting sleeve; 21. Second slot; 22. Bolt; 23. Nut. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to specific embodiments.

[0019] Example: like Figure 1-4As shown, a vehicle stopper for rubber-tired vehicles according to the present invention includes an upper mounting plate 1 for connecting to the vehicle frame, a linkage mechanism 2 rotatably connected at its top to the lower end face of the upper mounting plate 1, a drive mechanism 3 for driving the linkage mechanism 2 to rotate, a lower mounting plate 4 connected to the bottom end of the linkage mechanism 2, and a vehicle stopper mechanism 5 connected to the lower mounting plate 4. The vehicle stopper mechanism 5 includes vehicle stopper blocks 6 and a support plate 7 distributed on the upper and lower sides of the lower mounting plate 4. The support plate 7 and the vehicle stopper blocks 6 are connected by two guide posts 8. The lower mounting plate 4 is provided with guide slots 9 for the guide posts 8 to pass through. The length direction of the guide slots 9 is perpendicular to the axial direction of the rubber-tired vehicle wheel 10. Initially, the linkage mechanism 2 is away from the wheel 10 of the rubber-tired vehicle, and the wheel stop block 6 is in a retracted state, "suspended" on the lower mounting plate 4. When parking is required, the drive mechanism 3 drives the linkage mechanism 2 to rotate closer to the wheel 10, thereby driving the wheel stop block 6 closer to the wheel 10. The support plate 7 first contacts the ground, and the drive mechanism 3 continues to drive the linkage mechanism 2 to rotate. The lower mounting plate 4 moves away from the wheel stop block 6 and continues to move closer to the wheel 10. At this time, the support plate 7 is stationary due to the friction of the ground. When the lower mounting plate 4 moves to the left end of the slot and abuts against the guide post 8, the lower mounting plate 4 continues to push the guide post 8 and the wheel stop block 6 closer to the wheel 10, finally making the wheel stop block 6 stick to the wheel 10. At this time, the stroke of the drive mechanism 3 reaches its end, and the lower mounting plate 4... The brake block 6 is suspended between the wheel stop block 6 and the support plate 7. When the wheel stop block 6 needs to be retracted, the drive mechanism 3 drives the linkage mechanism 2 to reset. The lower mounting plate 4 first moves away from the wheel 10 until the right end of the slot abuts against the guide post 8. Then, the lower mounting plate 4 continues to pull the wheel stop block 6 away from the wheel 10. The brake blocker drives the linkage mechanism 2 to rotate through the drive mechanism 3, thereby moving the wheel stop block 6 closer to or away from the wheel 10. Only a single rotation action is needed to place and retract the wheel stop block 6, which is more efficient and less costly. The wheel stop block 6 and the support plate 7 are located on the upper and lower sides of the lower mounting plate 4, so that the wheel stop block 6 is movably "suspended" on the lower mounting plate 4. The connection is not rigid. During the process of placing and retracting the wheel stop block 6, the lower mounting plate 4 does not contact the wheel 10 and the ground, so there is no need to overcome ground friction and tire adhesion, making the operation more reliable.

[0020] The linkage mechanism 2 includes four linkage assemblies 11 connected between the upper mounting plate 1 and the lower mounting plate 4. A plurality of L-shaped plates 12 are provided on a pair of opposite surfaces of the upper mounting plate 1 and the lower mounting plate 4. The ends of the linkage assemblies 11 are rotatably connected to the L-shaped plates 12 by pins. The upper mounting plate 1, the lower mounting plate 4 and the four linkage assemblies 11 constitute a foldable parallelogram frame.

[0021] The linkage assembly 11 includes a first linkage 13, and two second linkages 14 are fixed to both ends of the first linkage 13. The two second linkages 14 are arranged in pairs to clamp the first linkage 13 in the middle.

[0022] The drive mechanism 3 includes a hydraulic cylinder 15. Two clamping plates 16 are fixed to the end of the cylinder body of the hydraulic cylinder 15. A connecting plate 17 is fixed to the lower end face of the upper mounting plate 1. The clamping plates 16 are rotatably connected to the connecting plate 17 by a pin. A shaft 18 is fixed between the first connecting rods 13 of the two connecting rod assemblies 11 away from the wheel 10. A collar 19 is fixed to the top rod of the hydraulic cylinder 15. The collar 19 is movably sleeved on the shaft 18. The top rod of the hydraulic cylinder 15 extends out, thereby pushing the connecting rod assembly 11 to rotate, so that the vehicle blocking block 6 moves closer to the underside of the wheel 10.

[0023] The shaft 18 is provided with limiting sleeves 20 on both sides of the collar 19, thereby ensuring that the collar 19 is located in the middle position of the shaft 18.

[0024] When the guide post 8 is located at the end of the slot away from the wheel 10, the right end of the lower mounting plate 4 does not exceed the right end of the wheel block 6, ensuring that after the wheel block 6 is pushed into place, the lower mounting plate 4 is not affected by the friction of the wheel 10, so that when the wheel block 6 is retracted, the lower mounting plate 4 can smoothly pull out the wheel block 6.

[0025] The lower half of the first connecting rod 13 is provided with two second slots 21 along its length direction, and the second connecting rod 14 is provided with fixing holes. The two second connecting rods 14 are fixed by bolts 22 and nuts 23 passing through the fixing holes and the second slots 21, thereby facilitating the adjustment of the overall length of the connecting rod assembly 11.

[0026] The above descriptions are merely some embodiments of the present invention. Those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A vehicle brake for rubber-tired vehicles, characterized in that: The device includes an upper mounting plate for connecting to the frame, a linkage mechanism rotatably connected to the lower end face of the upper mounting plate, a drive mechanism for driving the linkage mechanism to rotate, a lower mounting plate connected to the bottom end of the linkage mechanism, and a vehicle-stopping mechanism connected to the lower mounting plate. The vehicle-stopping mechanism includes vehicle-stopping blocks and a support plate distributed on the upper and lower sides of the lower mounting plate. The support plate and the vehicle-stopping blocks are connected by two guide posts. The lower mounting plate is provided with guide slots through which the guide posts pass, and the length direction of the guide slots is perpendicular to the axial direction of the rubber-tired vehicle wheel.

2. The vehicle stopper for rubber-tired vehicles according to claim 1, characterized in that: The linkage mechanism includes four linkage assemblies connected between the upper mounting plate and the lower mounting plate. A plurality of L-shaped plates are provided on a pair of opposite surfaces of the upper mounting plate and the lower mounting plate. The ends of the linkage assemblies are rotatably connected to the L-shaped plates by pins. The upper mounting plate, the lower mounting plate and the four linkage assemblies constitute a foldable parallelogram frame.

3. A vehicle brake for rubber-tired vehicles according to claim 2, characterized in that: The linkage assembly includes a first linkage, with second linkages fixed to both ends of the first linkage, and the second linkages are arranged in pairs to clamp the first linkage in the middle.

4. A vehicle brake for rubber-tired vehicles according to claim 3, characterized in that: The drive mechanism includes a hydraulic cylinder, with two clamping plates fixed to the end of the cylinder body. A connecting plate is fixed to the lower end face of the upper mounting plate. The clamping plates are rotatably connected to the connecting plate via pins. A shaft is fixed between the first connecting rods of the two connecting rod assemblies away from the rubber-wheeled vehicle wheel. A collar is fixed to the top rod of the hydraulic cylinder, and the collar is movably sleeved on the shaft.

5. A vehicle brake for rubber-tired vehicles according to claim 4, characterized in that: The shaft is provided with limiting sleeves on both sides of the collar.

6. A vehicle brake for rubber-tired vehicles according to claim 1, characterized in that: When the guide post is located at the end of the slot away from the wheel, the right end of the lower mounting plate does not exceed the right end of the wheel-stopping block.

7. A vehicle brake for rubber-tired vehicles according to claim 3, characterized in that: The lower half of the first connecting rod has two second slots along its length, and the second connecting rod has a fixing hole. The two second connecting rods are fixed by bolts and nuts passing through the fixing hole and the second slot.

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