Heightening device for rear door of roadway vehicle
By designing a rear door lifting device for tunnel vehicles, the problem of material dropping due to low rear door of tunnel vehicles is solved, and the effect of increasing the rear door height and preventing material dropping is achieved, which significantly improves transportation safety.
Patent Information
- Application Number
- CN202421536725.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The rear door of the lane car is lower than on both sides, which makes it easy to bump during transportation, causing materials to fall from the rear door, causing waste and safety threats.
A lifting device for rear door of a tunnel car is designed, including a lifting plate body, a slide chute, a latch and a slot. The lifting plate body is installed through the slide chute, and locked through the latch and the slot to increase the height of the rear door and prevent material from falling.
It effectively prevents materials from falling from the rear door of the tunnel car, avoids waste of materials and safety threats of rear vehicles, and significantly improves the safety and stability of the tunnel car transportation process.
Smart Images
Figure CN222663428U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel vehicle parts, in particular to a heightening device for a rear door of a tunnel vehicle. Background Art
[0002] As a key equipment for mine transportation, the importance of roadway vehicles is self-evident. In the complex mine environment, roadway vehicles effectively solve the problem of material transportation with their unique loading and unloading methods and excellent self-unloading capabilities. Faced with harsh working environments and narrow space constraints, roadway vehicles ensure the smooth progress of mine production with their efficient and stable performance. By accurately transporting materials to the cargo compartment through conveyor belts, roadway vehicles not only improve the efficiency of material loading, but also greatly ensure the safety of operators. As a vital component of the mine transportation system, the importance of roadway vehicles occupies a pivotal position in mine operations, providing a solid guarantee for the stable operation and efficient production of mines.
[0003] Since materials are mostly loaded by conveyor belts and transported to the cargo compartment through the rear door of the tunnel vehicle, the height of the rear door of the tunnel vehicle is generally lower than that of the two sides. This ensures that the conveyor belt can easily and smoothly transport materials to the cargo compartment, thereby adapting to this specific working condition.
[0004] However, since the rear door of the tunnel truck is lower than the two sides, the tunnel truck is prone to bumps during transportation, which can cause the materials in the tunnel truck to fall out of the rear door. This not only causes material waste and increases cleaning costs, but may also pose a serious threat to the driving safety of the following vehicles. Summary of the invention
[0005] Aiming at the problem that materials are easy to fall from the rear door of the tunnel vehicle, causing waste of materials and threatening the driving safety of the following vehicle, the utility model provides a rear door heightening device for the tunnel vehicle, which can prevent materials from falling from the rear door of the tunnel vehicle, causing waste of materials and threatening the driving safety of the following vehicle.
[0006] In order to solve the above problems, the technical solution adopted by the utility model is a heightening device for the rear door of the alley vehicle, including a heightening plate body, the heightening plate body is a trapezoid that is wide at the top and narrow at the bottom, and slide grooves are fixed on the sides of both sides of the heightening plate body; a latch is fixed at the bottom of the heightening plate body, and a slot is provided on the latch, the slot is adapted to the latch, and the slot can be fixed on the rear door of the alley vehicle. When the alley vehicle is loaded with materials, the heightening plate body is installed on the rear door of the alley vehicle through the slide groove, and the heightening plate body is locked on the rear door of the alley vehicle through the latch and the slot. Therefore, this device can increase the height of the rear door of the alley vehicle after the alley vehicle is loaded with materials, which not only effectively prevents materials from falling from the rear door and avoids material waste, but also ensures the safety of the rear vehicle driving and greatly reduces potential safety risks.
[0007] Preferably, the slide includes a bottom plate, which is fixedly connected to the side of the heightened plate body, and side plates are fixed to both side edges of the bottom plate, and the two side plates can be clamped on the pillars of the rear door of the lane vehicle and can slide along the vertical direction. The two side plates are used to clamp the pillars of the rear door of the lane vehicle between them, thereby ensuring that the slide can slide stably along the vertical direction, that is, the length direction of the pillar.
[0008] Preferably, a locking hole is provided on the side plate, a locking bolt is installed in the locking hole, a locking nut is installed on the screw of the locking bolt, and the locking nut can be fixed on the column of the rear door of the laneway vehicle. By installing the locking nut on the column of the rear door of the laneway vehicle and tightening the locking bolt, the side plate and the column can be firmly fixed together. This effectively prevents the main body of the heightened plate from shaking during transportation, and ensures the stability and safety of the laneway vehicle operation.
[0009] Preferably, there are three locking holes, which are evenly distributed along the vertical direction. There are three locking holes, and multiple locking holes ensure a more stable fixing effect and improve the stability of the overall structure.
[0010] Preferably, the locking hole is an oblong hole, and the length direction of the oblong hole is parallel to the vertical direction. This layout allows the position of the locking bolt to be flexibly adjusted, thereby significantly improving the adaptability and installation flexibility between the heightened plate body and the pillar of the rear door of the lane vehicle.
[0011] Preferably, there are three latches, which are evenly distributed at the bottom of the heightened plate body. There are three latches, and the layout of multiple latches significantly enhances the stability of the connection and provides a more reliable fixing effect for the overall structure.
[0012] Preferably, the upper end of the plug is fixedly connected to the heightened plate body, the lower end of the plug is set to be tapered, and both ends of the slot are provided with inner chamfers. The lower end of the plug is set to be tapered, and both ends of the slot are provided with inner chamfers, which enables the plug to be inserted into the slot more smoothly and conveniently, thereby improving installation efficiency and operation convenience.
[0013] Preferably, a lifting ring is fixed on the top of the heightened plate body, and two lifting rings are provided in total. The lifting ring makes the lifting process of the heightened plate body simple and convenient, effectively improves the installation efficiency, and ensures that the heightened plate body can be stably installed on the rear door of the lane vehicle.
[0014] Preferably, a reinforcing angle plate is fixed to the bottom of the heightened board body, which significantly enhances the connection stability between the chute and the heightened board body, ensuring that the chute can be firmly fixed to the heightened board body.
[0015] It can be seen from the above technical solutions that the advantages of the utility model are: when the tunnel vehicle completes material loading, the heightened plate body is installed on the rear door of the tunnel vehicle through the slide, and the two sides of the heightened plate body are tightly fixed to the rear door of the tunnel vehicle through the locking bolts to ensure the stability of the connection. Finally, the heightened plate body is securely locked to the rear door of the tunnel vehicle using the latch and slot, further enhancing the overall stability and safety. In summary, after the tunnel vehicle has loaded the materials, the device significantly increases the height of the rear door of the tunnel vehicle, effectively prevents the materials from falling from the rear door, avoids the waste of materials, and also greatly improves the safety of the rear vehicle driving, greatly reducing potential safety risks. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 The structure of the specific implementation method of the utility model is shown in FIG. Figure 1 .
[0018] Figure 2 The structure of the specific implementation method of the utility model is shown in FIG. Figure 2 .
[0019] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.
[0020] Figure 4 for Figure 2 A partial enlarged view of point B in the middle.
[0021] Description of main reference numerals
[0022] In the figure: 1. rear door of the tunnel vehicle, 2. column, 3. heightened plate body, 4. slide groove, 41. bottom plate, 42. side plate, 43. locking bolt, 5. latch, 6. slot, 61. inner chamfer, 7. lifting ring, 8. reinforced angle plate. DETAILED DESCRIPTION
[0023] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.
[0024] A device for raising the rear door of a lane vehicle, such as Figure 1 As shown, it includes a heightened plate body 3, and slide grooves 4 are fixed on the sides of both sides of the heightened plate body 3. The slide grooves 4 can slide along the pillars 2 of the rear door 1 of the lane vehicle. Since the pillars 2 of the rear door 1 of the lane vehicle are placed vertically, the slide grooves 4 can slide along the vertical direction. A latch 5 is fixed at the bottom of the heightened plate body 3, and a slot 6 adapted to the latch 5 is provided on the latch 5, and the slot 6 can be fixed on the rear door 1 of the lane vehicle.
[0025] like Figure 2 As shown, in this specific embodiment, the heightening plate body 3 specifically adopts the following structure: the heightening plate body 3 is a trapezoidal plate that is wide at the top and narrow at the bottom, that is, the side surfaces on both sides of the heightening plate body 3 are inclined surfaces that gradually tilt toward the middle from top to bottom. The chute 4 includes a bottom plate 41, which is a rectangular plate. The bottom plate 41 is fixedly connected to the side surface of the heightening plate body 3 by welding, that is, the bottom plate 41 is also placed tilted from top to bottom. A reinforcing angle plate 8 is provided at the bottom of the heightening plate body 3, one side of the reinforcing angle plate 8 is connected to the bottom of the heightening plate body 3 by welding, and the other side of the reinforcing angle plate 8 is connected to the bottom plate 41 of the chute 4 by welding. In this embodiment, there are two reinforcing angle plates 8, and the two reinforcing angle plates 8 are distributed on both sides of the bottom of the heightening plate body 3.
[0026] like Figure 3 As shown, the chute 4 also includes two side panels 42, which are fixed at the two side edges of the bottom plate 41, and the two side panels 42 are perpendicular to the bottom plate 41. The two side panels 42 can be clamped on the pillars 2 of the rear door 1 of the lane vehicle, and can slide along the vertical direction. The bottom plate 41 is placed at an angle, which helps the chute 4 on both sides of the heightening plate body 3 to be smoothly clamped on the pillars 2 on both sides of the rear door 1 of the lane vehicle. In this embodiment, the bottom plate 41 and the two side panels 42 are formed by bending a single plate as a whole. In other embodiments, the bottom plate 41 and the two side panels 42 are formed by welding.
[0027] Fixing holes are provided on the columns 2 on both sides of the rear door 1 of the lane vehicle. Three fixing holes are provided on each column 2, and the three fixing holes are evenly distributed along the vertical direction. A locking nut is inlaid in each fixing hole, and the locking nut is fixed to the inside of the column 2 by welding. A locking hole is provided on the side plate 42 close to the locking nut. There are three locking holes, and the three locking holes are evenly distributed along the vertical direction. The locking hole is an oblong hole, and the length direction of the oblong hole is parallel to the vertical direction. At the same time, a locking bolt 43 is installed in the locking hole. By passing the screw of the locking bolt 43 through the locking hole and screwing it into the locking nut, the slide 4 can be fixedly connected to the column 2 to prevent the heightening plate body 3 from shaking during transportation.
[0028] like Figure 4As shown, in this specific embodiment, the latch 5 specifically adopts the following structure: the latch 5 is a rectangular rod, the upper end of the latch 5 is connected to the heightened plate body 3 by welding, and the lower end of the latch 5 is set to be tapered. The slot 6 is a rectangular frame, and both ends of the slot 6 are provided with inner chamfers 61. The slot 6 is welded and fixed on the rear door 1 of the lane vehicle, and the position of the slot 6 is opposite to the latch 5, that is, the latch 5 can be inserted into the slot 6. In this embodiment, there are three latches 5, and the three latches 5 are evenly distributed at the bottom of the heightened plate body 3. There are also three corresponding slots 6, and they are respectively opposite to the three latches 5.
[0029] A lifting ring 7 is welded on the top of the heightening plate body 3, and there are two lifting rings 7, which are symmetrically distributed on both sides of the top of the heightening plate body 3. With the lifting ring 7, the heightening plate body 3 can achieve a fast and stable lifting operation.
[0030] The specific use process of the utility model is as follows: when the tunnel vehicle completes material loading, first, use the lifting equipment to smoothly lift the heightened plate body 3, and then accurately move it to the top of the tunnel vehicle rear door 1. Next, it is necessary to carefully and slowly lower the heightened plate body 3 to ensure that the column 2 of the tunnel vehicle rear door 1 can be accurately embedded between the two side panels 42 of the chute 4. Then continue to slowly lower the heightened plate body 3 until the latch 5 is accurately inserted into the slot 6. Once the latch 5 is fully inserted, the lifting equipment can be safely evacuated. Finally, the screw of the locking bolt 43 is accurately passed through the locking hole on the side panel 42 of the chute 4, and screwed into the corresponding locking nut, thereby ensuring that one side panel 42 of the chute 4 is firmly connected to the column 2 of the tunnel vehicle rear door 1, so that the heightened plate body 3 is stably fixed on the rear door of the tunnel vehicle.
[0031] It can be seen from the above embodiments that the beneficial effect of the utility model is that when the tunnel vehicle completes material loading, the heightened plate body is installed on the rear door of the tunnel vehicle through the slide, and the two sides of the heightened plate body are tightly fixed to the rear door of the tunnel vehicle through the locking bolts to ensure the stability of the connection. Finally, the heightened plate body is securely locked to the rear door of the tunnel vehicle using the latch and the slot, further enhancing the overall stability and safety. In summary, after the tunnel vehicle is loaded with materials, the device significantly increases the height of the rear door of the tunnel vehicle, effectively prevents materials from falling from the rear door, avoids material waste, and also greatly improves the safety of the rear vehicle driving, greatly reducing potential safety risks.
[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A rear door heightening device for a lane vehicle, characterized in that: The utility model comprises a heightened plate body (3), the heightened plate body (3) is a trapezoidal shape with a width at the top and a narrowness at the bottom, and slide grooves (4) are fixed on the sides of both sides of the heightened plate body (3); a latch (5) is fixed on the bottom of the heightened plate body (3), a slot (6) is arranged on the latch (5), the slot (6) is matched with the latch (5), and the slot (6) can be fixed on the rear door (1) of the lane vehicle.
2. The rear door heightening device for a laneway vehicle according to claim 1, characterized in that: The slide groove (4) comprises a bottom plate (41) which is fixedly connected to the side of the heightened plate body (3). Side plates (42) are fixed to the two side edges of the bottom plate (41). The two side plates (42) can be stuck on the pillars (2) of the rear door (1) of the lane vehicle and can slide in the vertical direction.
3. The rear door heightening device for a laneway vehicle according to claim 2, characterized in that: A locking hole is provided on the side plate (42), a locking bolt (43) is installed in the locking hole, a locking nut is installed on the screw rod of the locking bolt (43), and the locking nut can be fixed on the column (2) of the rear door (1) of the lane vehicle.
4. The rear door heightening device for a laneway vehicle according to claim 3, characterized in that: There are three locking holes, which are evenly distributed along the vertical direction.
5. The rear door heightening device for a laneway vehicle according to claim 4, characterized in that: The locking hole is an oblong hole, and the length direction of the oblong hole is parallel to the vertical direction.
6. The rear door heightening device for a laneway vehicle according to claim 1, characterized in that: A total of three latches (5) are provided, and the three latches (5) are evenly distributed at the bottom of the heightened plate body (3).
7. The rear door heightening device for a laneway vehicle according to claim 1 or 6, characterized in that: The upper end of the latch (5) is fixedly connected to the heightened plate body (3), the lower end of the latch (5) is arranged in a cone shape, and both ends of the slot (6) are arranged with inner chamfers (61).
8. The rear door heightening device for a laneway vehicle according to claim 1, characterized in that: A lifting ring (7) is fixed on the top of the heightening plate body (3), and two lifting rings (7) are provided.
9. The rear door heightening device for a laneway vehicle according to claim 1, characterized in that: A reinforcing angle plate (8) is fixed to the bottom of the heightened plate body (3).