Mining vehicle trailer jaw device and method of connecting same
By designing a clamping device for mining truck trailers, and utilizing components such as pallets, support plates, and safety pins, a secure connection between the mining truck and the rescue vehicle is achieved. This solves the problem of towing and repairing mining dump trucks under harsh mining conditions, and improves the reliability and safety of the connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- INNER MONGOLIA NORTH HAULER
- Filing Date
- 2026-04-13
- Publication Date
- 2026-07-14
AI Technical Summary
How to effectively connect mining dump trucks and rescue vehicles to facilitate towing and repair in harsh mining conditions, especially to prevent vehicles from freezing in extremely cold environments.
A jaw device for a mining truck trailer has been designed, including components such as a pallet, support plate, connecting platform, and safety pin. The mining truck and rescue vehicle are firmly connected by welding and bolting, and the reliability and safety of the connection are ensured by the lifting arm and safety pin.
It achieves a secure connection between mining trucks and rescue vehicles, can withstand greater pulling force, is easy to install and disassemble, improves the safety and efficiency of towing, and avoids vehicle freezing problems caused by extremely cold environments.
Smart Images
Figure CN122379201A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of mining dump trucks, specifically, it relates to a jaw clamping device for mining truck trailers and its connection method. Background Technology
[0002] Mining dump trucks, as one of the main pieces of equipment for transportation in mining operations, are widely used in various mines. Due to the harsh working conditions in mines, and the large size and weight of these trucks, normal maintenance is difficult to perform outside of designated repair locations. Therefore, when a breakdown occurs, the truck needs to be towed to a repair shop; otherwise, it will block normal production routes and affect production. Secondly, in some extremely cold mining areas, once a mining truck breaks down, it must be towed immediately to a repair depot; otherwise, in the extreme cold, the vehicle may freeze solid and become unable to start.
[0003] Mining dump trucks that break down and are large in size and weight need to be connected to rescue vehicles (trailers). How to connect the trailer to the towed vehicle is a technical problem that urgently needs to be solved. Summary of the Invention
[0004] The purpose of this invention is to provide a jaw clamping device for a mining truck trailer and its connection method, which can effectively connect the trailer to the towed vehicle.
[0005] To achieve the above objectives, the technical solution used in this invention is: The mining truck trailer jaw device includes: a pallet, a support plate, a connecting platform, and a safety pin. The support plate and the connecting platform are located on top of the pallet, and multiple support plates are located on both sides of the connecting platform. A support surface is provided on the inner side of the support plate, and the height of the support surface is lower than the top surface of the support plate. The support plate is provided with a support plate through hole, and the safety pin is installed in the support plate through hole. The height of the connecting platform is lower than the height of the support surface. A platform through hole is provided in the middle of the connecting platform, and a pressure plate is installed in the platform through hole. The pressure plate is provided with a pressure plate through hole, and a first bolt is installed in the pressure plate through hole. The connecting block is provided with a connecting block through hole, and the safety pin passes through the connecting block through hole.
[0006] Furthermore, the safety pin has a positioning through hole on its side wall, and a pin is installed in the positioning through hole.
[0007] Furthermore, the platform through-hole is a stepped through-hole, and the pressure plate is located inside the stepped through-hole, connecting the two sides of the platform to the adjacent support plate.
[0008] Furthermore, the connecting platform includes: uprights and flat plates, with the bottoms of multiple uprights connected to the top of the support plate, the flat plate connected to the top of the uprights, and through holes in the platform located between two adjacent uprights.
[0009] Furthermore, a stop is connected to the end of the safety pin, and a handle is connected to the outer end face of the stop.
[0010] Furthermore, a baffle is connected between two adjacent support plates on both sides of the connecting platform, and the bottom of the baffle is connected to the top surface of the support plate; the support plate forms a facade at the outer edge of the support surface, the baffle is located on the outer side of the facade, and the baffle is provided with a baffle threaded hole; a pad is provided between the two support plates, the pad is located on the inner side of the baffle, the pad is provided with a pad through hole, and the baffle threaded hole and the pad through hole are installed with a second bolt.
[0011] The connection method of the jaw device of the mining truck trailer includes: The quick-connector is welded to the bottom of the bumper of the mining truck, and a threaded hole is drilled at the top of the connecting pin on the trailer. When a mining truck malfunctions, the connecting pin of the trailer is installed in the platform through hole of the connecting platform, the pressure plate is placed on top of the connecting pin, and the first bolt passes through the pressure plate through hole and connects to the connecting thread hole, connecting the rescue vehicle and the mining truck trailer jaw device together. Lower the lifting arm of the rescue vehicle, move the support surface to the lower part of the mine truck's bumper, insert the safety pins into the connecting block through holes and the support plate through holes in sequence, and connect the mine truck trailer jaw device and the mine truck's bumper.
[0012] Preferably, safety pins are inserted into the through holes of the connecting blocks and the through holes of the support plate on both sides of the connecting platform, and a pin shaft is installed in the positioning through hole located between the support plate and the connecting block.
[0013] Preferably, the pad is placed in the space between the baffle and the bumper, so that the pad fits against the baffle and the bumper respectively, and the second bolt is installed in the threaded hole of the baffle and the through hole of the pad.
[0014] Preferably, after the mining truck towing clamp device is connected to the mining truck's bumper and the rescue vehicle's connecting pin, the rescue vehicle is driven to tow the mining truck to the repair point.
[0015] The technical effects of this invention include: The mining truck trailer clamping device of the present invention can effectively connect the trailer to the towed vehicle, and the connection is firm, has a large load-bearing capacity, and is easy to install and disassemble.
[0016] After the pallet is connected to the trailer frame, it works in conjunction with the lifting arm, so that the support plate can not only bear the weight of the front wheels of the mining truck, but also lift the front wheels of the mining truck off the ground when necessary, making it easier to deal with the inconvenience of movement caused by front wheel failure.
[0017] The connecting platform of the mining truck is connected to the connecting pin of the trailer, and the safety pin is connected to the bumper of the mining truck, making the connection between the trailer and the mining truck safer and more reliable, and facilitating the application of greater pulling force to the mining truck.
[0018] Installing a pad between the bumper and the baffle ensures a tight fit between the bumper and the pad on the mining truck, which helps to eliminate the impact force on the connection point during movement and improves the safety of movement. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of the mining truck trailer clamping device in this invention; Figure 2 This is a schematic diagram showing the usage state of the mining truck trailer clamping device in this invention. Detailed Implementation
[0020] The following description fully illustrates specific embodiments of the present invention to enable those skilled in the art to practice and reproduce it. To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0021] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0022] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0023] like Figure 1 The diagram shown is a structural schematic of the mining truck trailer clamping device of the present invention.
[0024] In the following description, the direction of the bumper furthest from the following vehicle (the towed vehicle) is described as the outer side, and the direction closer to the bumper is described as the inner side.
[0025] The mining truck trailer jaw device includes: a pallet 1, a support plate 2, a connecting platform 3, and a safety pin 4. The support plate 2 and the connecting platform 3 are set (welded) on the top of the pallet 1, and multiple support plates 2 are located on both sides of the connecting platform 3. The inner side of the support plate 2 is provided with a support surface 21, the height of which is lower than the top surface of the support plate 2. The support plate 2 is provided with a support plate through hole 22, and the safety pin 4 is installed in the support plate through hole 22. The height of the connecting platform 3 is lower than the height of the support surface 21. The middle of the connecting platform 3 is provided with a platform through hole 31, and a pressure plate 32 is installed in the platform through hole 31. The pressure plate 32 is provided with a pressure plate through hole, and a first bolt 33 is installed in the pressure plate through hole.
[0026] The platform through hole 31 is a stepped through hole, and the pressure plate 32 is located inside the stepped through hole.
[0027] The connecting platform 3 is connected to the adjacent support plate 2 on both sides, which can improve the connection strength and the support strength of the support plate 2. The connecting platform 3 includes: upright plate 34 and flat plate 35. The bottom of multiple upright plates 34 are connected (welded) to the top of the support plate 1, and the flat plate 35 is connected (welded) to the top of the upright plate 34. The platform through hole 31 is located between two adjacent upright plates 34.
[0028] The safety pin 4 assembly includes a connecting fastener 41, which has a connecting block through hole for connecting to the rear bumper 6. The side wall of the safety pin 4 has a positioning through hole for mounting a pin 43. A stop block is connected to the end of the safety pin 4, and a handle 42 is connected to the outer end face of the stop block.
[0029] A baffle 23 is welded between two adjacent support plates 2 on both sides of the connecting platform 3. The support plate 2 forms a vertical surface at the outer edge of the support surface 21, and the baffle 23 is located on the outer side of the vertical surface. The baffle 23 is provided with a threaded hole. A pad 25 is provided between the two support plates 2. The pad 25 is located inside the baffle 23 and is provided with a through hole. A second bolt 24 is installed in the threaded hole of the baffle and the through hole of the pad. The pad 25 is used to fill the gap between the support plate 2 and the bumper 6 to prevent excessive impact force during movement.
[0030] The bottom of the baffle 23 is connected to the top surface of the support plate 1.
[0031] like Figure 2 The diagram shown is a schematic representation of the usage state of the mining truck trailer clamping device in this invention.
[0032] In order to connect the towed vehicle (the rear vehicle) and the rescue vehicle (the front vehicle), the rear vehicle and the front vehicle need to be connected so that they can be towed to the repair shop for repairs.
[0033] The mining truck trailer clamping device can connect the rear and front vehicles. The connecting pin 5 of the front vehicle is installed in the platform through hole 31 of the connecting platform 3, and the connecting pin 5 is fixed by the pressure plate 32 and the first bolt 33, so as to realize the reliable connection between the mining truck trailer clamping device and the front vehicle and withstand a large pulling force.
[0034] The rear bumper 6 can withstand a large tensile force. The connecting fastener 41 is welded to the bottom of the bumper 6. The bumper 6 is placed on the support surface 21 of the support plate 2. The support plate 2 provides support for the rear vehicle. The support plate 2 and the bumper 6 are connected by the safety pin 4.
[0035] The connection method and specific steps for the jaw clamp device of the mining truck trailer are as follows: 1. Improve the mining car by welding the connecting fastener 41 to the bottom of the bumper 6 and opening a threaded hole at the top of the connecting pin 5; 2. When the mining truck breaks down, it needs to be towed. The connecting pin 5 of the rescue vehicle (trailer) is installed in the platform through hole 31 of the connecting platform 3. The pressure plate 32 is placed on top of the connecting pin 5. The first bolt 33 passes through the pressure plate through hole and connects to the connecting threaded hole, connecting the rescue vehicle and the mining truck tow clamp device together. 3. Lower the lifting arm of the rescue vehicle, move the support surface 21 to the lower part of the bumper 6 of the mining truck, insert the safety pin 4 into the through hole of the connecting block and the through hole 22 of the support plate in sequence, and connect the mining truck trailer jaw device and the bumper 6 of the mining truck. Safety pins 4 are inserted into the through holes of the connecting blocks and the through holes of the support plate on both sides of the connecting platform 3. To prevent the safety pins 4 from falling off, pins 43 are installed in the positioning through holes between the support plate 2 and the connecting block 41.
[0036] Place the pad 25 in the space between the baffle 23 and the bumper 6. Place the pad 25 so that it fits against the baffle 23 and the bumper 6 respectively. Install the second bolt 24 in the threaded hole of the baffle and the through hole of the pad, and tighten it alternately on the left and right.
[0037] After the bumper 6 of the mining truck, the towing clamp device of the mining truck, and the connecting pin 5 of the rescue vehicle are connected, the rescue vehicle can be driven to tow the mining truck to the repair point.
[0038] The terminology used in this invention is descriptive and exemplary, not restrictive. Since this invention can be embodied in many forms without departing from the spirit or essence of the technical solution, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.
Claims
1. A jaw clamping device for a mining truck trailer, characterized in that, include: The system includes a pallet, a support plate, a connecting platform, and a safety pin. The support plate and connecting platform are located on top of the pallet, with multiple support plates on both sides of the connecting platform. The inner side of each support plate has a support surface, the height of which is lower than the top surface of the support plate. Each support plate has a through hole, and the safety pin is installed within this through hole. The connecting platform is lower than the height of the support surface. A platform through hole is located in the middle of the connecting platform, and a pressure plate is installed within this through hole. The pressure plate has a through hole, and a first bolt is installed within this through hole. The connecting block has a through hole through which the safety pin passes.
2. The mining truck trailer clamping device as described in claim 1, characterized in that, The safety pin has a positioning through hole on its side wall, and a pin is installed in the positioning through hole.
3. The mining truck trailer clamping device as described in claim 1, characterized in that, The platform has stepped through holes, and the pressure plate is located inside the stepped through holes, connecting the two sides of the platform to the adjacent support plate.
4. The mining truck trailer jaw clamping device as described in claim 1, characterized in that, The connecting platform includes: uprights and flat plates. The bottoms of multiple uprights are connected to the top of the support plate, and the flat plate is connected to the top of the uprights. The platform through holes are located between two adjacent uprights.
5. The mining truck trailer clamping device as described in claim 1, characterized in that, The safety pin has a stop at one end, and a handle is attached to the outer end face of the stop.
6. The mining truck trailer clamping device as described in claim 1, characterized in that, A baffle is connected between two adjacent support plates on both sides of the connecting platform. The bottom of the baffle is connected to the top surface of the support plate. The support plate forms a facade at the outer edge of the support surface. The baffle is located on the outer side of the facade and is provided with a threaded hole. A pad is provided between the two support plates. The pad is located on the inner side of the baffle and is provided with a through hole. The threaded hole of the baffle and the through hole of the pad are used to install a second bolt.
7. The connection method of the mining car trailer jaw device as described in any one of claims 1-6, characterized in that, include: The quick-connector is welded to the bottom of the bumper of the mining truck, and a threaded hole is drilled at the top of the connecting pin on the trailer. When a mining truck malfunctions, the connecting pin of the trailer is installed in the platform through hole of the connecting platform, the pressure plate is placed on top of the connecting pin, and the first bolt passes through the pressure plate through hole and connects to the connecting thread hole, connecting the rescue vehicle and the mining truck trailer jaw device together. Lower the lifting arm of the rescue vehicle, move the support surface to the lower part of the mine truck's bumper, insert the safety pins into the connecting block through holes and the support plate through holes in sequence, and connect the mine truck trailer jaw device and the mine truck's bumper.
8. The connection method of the mining truck trailer jaw device as described in claim 7, characterized in that, Safety pins are inserted into the through holes of the connecting blocks and the support plate on both sides of the connecting platform, and a pin is installed in the positioning through hole between the support plate and the connecting block.
9. The connection method of the mining truck trailer jaw device as described in claim 7, characterized in that, Place the pad in the space between the baffle and the bumper, ensuring that the pad fits against both the baffle and the bumper. Install the second bolt in the threaded hole of the baffle and the through hole of the pad.
10. The connection method of the mining truck trailer jaw device as described in claim 7, characterized in that, After the mining truck towing clamp device is connected to the mining truck's bumper and the rescue vehicle's connecting pin, the rescue vehicle is driven to tow the mining truck to the repair point.