A reversible rear guard structure

Abstract

The utility model discloses a rear guard rail structure can turn over relates to the field of car, including rear guard rail mounting panel, rear guard rail turnover board, fixed bolt and turnover spring etc. part. Rear guard rail mounting panel is connected with rear guard rail vertical connecting plate, and rear guard rail vertical connecting plate is connected with two rear guard rail horizontal connecting plate, and rear guard rail horizontal connecting plate other end is hinged with rear guard rail turnover board through hinged turnover axle, and rear guard rail turnover board is connected with rear guard rail horizontal pole, rear guard rail horizontal connecting plate is equipped with fixed bolt, and fixed bolt controls the turnover of rear guard rail turnover board, and hinged turnover axle support frame is installed on rear guard rail turnover board, and turnover spring is sleeved on hinged turnover axle. The utility model can solve the problem that the existing front top dump truck exists in the unloading process, and part of the site unloading platform will interfere with rear guard rail and lead to unloading, or after unloading, and there is part of goods falling on rear guard rail and causing guard rail abrasion, and need to clean rear guard rail, and influence vehicle unloading efficiency.

Description

Technical Field

[0001] This utility model relates to the field of special vehicle manufacturing technology, and in particular to a rear guardrail for a front-top dump truck. Background Technology

[0002] Existing front-top dump trucks mostly use fixed or adjustable bolt-on rear guardrails. Regulations require the bottom of the guardrail to be no more than 500mm off the ground and the rear end to be no more than 400mm from the very end of the vehicle. During unloading, some loading platforms may interfere with the guardrail, preventing unloading, or some cargo may fall onto the guardrail after unloading, causing wear and tear. Cleaning the guardrail is also necessary after each unloading operation. Finding a suitable unloading platform during unloading is inconvenient, and cleaning the guardrail afterward is also troublesome, impacting unloading efficiency. In today's highly competitive transportation industry, users urgently need products that can be adapted to various unloading sites and platforms. This would significantly improve vehicle utilization, increase cargo transport speed, and enhance economic benefits. Therefore, a flip-up rear guardrail structure better meets the needs of some customers and is more suitable for future market demands. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a flip-up rear guardrail structure, which can solve the problems of existing front-top dump trucks where the unloading platform interferes with the rear guardrail during the unloading process, making it impossible to unload, or some goods fall on the rear guardrail after unloading, causing wear and tear on the rear guardrail. The rear guardrail also needs to be cleaned after each unloading, and finding a suitable unloading platform during the unloading process and cleaning the rear guardrail after unloading are troublesome, which affects the unloading efficiency of the vehicle.

[0004] To solve the above problems, the technical solution of this utility model is: this flip-up rear guardrail structure includes a rear guardrail mounting plate, a rear guardrail vertical connecting plate, a rear guardrail horizontal connecting plate, a rear guardrail flipping plate, a fixing pin, a flipping spring, a rear guardrail crossbar, and a hinged flipping shaft support frame and a hinged flipping shaft. The rear guardrail mounting plate is installed at the rear of the vehicle chassis. The upper end of the rear guardrail mounting plate is connected to the upper end of the rear guardrail vertical connecting plate. The lower end of the rear guardrail vertical connecting plate is connected to one end of two parallel rear guardrail horizontal connecting plates. The other end of the two parallel rear guardrail horizontal connecting plates and one end of two parallel rear guardrail flipping plates are hinged together by the hinge flipping shaft. The other end of the two parallel rear guardrail flipping plates is connected to the rear guardrail crossbar. The two parallel rear guardrail flipping plates drive the rear guardrail crossbar 7 to flip upward. The rear guardrail flipping plate and the rear guardrail horizontal connecting plate are provided with fixing pin holes of the same size. The rear guardrail horizontal connecting plate is provided with fixing pins. The fixing pins are inserted into the fixing pin holes to control the flipping of the rear guardrail flipping plates.

[0005] The hinged flip shaft support frame is mounted on a rear guardrail flip plate; one end of the hinged flip shaft is mounted on the hinged flip shaft support frame, and the other end passes through the hinge hole of the rear guardrail flip plate and the rear guardrail horizontal connecting plate; the flip spring between the rear guardrail horizontal connecting plate and the hinged flip shaft support frame is fitted on the hinged flip shaft section.

[0006] A more specific embodiment of the above technical solution is that the upper end of the rear guardrail mounting plate is welded to the rear guardrail vertical connecting plate.

[0007] Furthermore, the lower end of the rear guardrail vertical connecting plate is riveted to one end of the two rear guardrail horizontal connecting plates.

[0008] Furthermore: the fixing pin is connected to the rear guardrail horizontal connecting plate through a pin fixing seat set on the outer side of the rear guardrail horizontal connecting plate. The pin fixing seat has a locking pin hole. The fixing pin controls the flipping of the rear guardrail flipping plate by inserting or pulling it into the locking pin hole.

[0009] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art: 1. The rear guardrail of this utility model can be flipped up to increase the height of the rear guardrail off the ground and increase the size of the rear guardrail and the rear of the vehicle, which can meet the unloading platform of various unloading sites and improve unloading efficiency.

[0010] 2. The rear guardrail of this utility model can be flipped up, so the material will not be unloaded onto the rear guardrail during the unloading process, thus preventing wear and tear on the rear guardrail, extending its service life, and eliminating the need for special cleaning of the rear guardrail after unloading.

[0011] 3. The rear guardrail of this utility model can be flipped up to improve vehicle passability and enable the vehicle to drive normally in harsh working conditions on rugged mountain roads. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the rear guardrail before it flips over, according to this utility model. Figure 2 This is a front view schematic diagram of the driving state before the rear guardrail of this utility model is flipped over; Figure 3 This is a left-side view of the vehicle in the driving state before the rear guardrail of this utility model is flipped over; Figure 4 This is a schematic diagram of the three-dimensional structure of the rear guardrail after it is flipped up; Figure 5 This is a front view schematic diagram of the unloading state after the rear guardrail of this utility model has been flipped over; Figure 6 This is a left-side view of the unloading state after the rear guardrail of this utility model has been flipped over.

[0013] The labels in the diagram represent: 1. Rear guardrail mounting plate, 2. Rear guardrail vertical connecting plate, 3. Rear guardrail horizontal connecting plate, 4. Rear guardrail flip plate, 5. Fixed pin, 6. Flip spring, 7. Rear guardrail crossbar, 8. Hinge flip shaft support frame, 9. Hinge flip shaft, 10. Pin fixing seat. Detailed Implementation

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The reversible rear guardrail structure includes a rear guardrail mounting plate 1, a rear guardrail vertical connecting plate 2, a rear guardrail horizontal connecting plate 3, a rear guardrail flipping plate 4, a fixing pin 5, a flipping spring 6, a rear guardrail crossbar 7, a hinged flipping shaft support frame 8, and a hinged flipping shaft 9.

[0015] The rear guardrail mounting plate 1 is installed at the rear of the vehicle chassis. The rear guardrail mounting plate 1 is welded to the upper end of the rear guardrail vertical connecting plate 2. The bottom end of the rear guardrail vertical connecting plate 2 is riveted to one end of two parallel rear guardrail horizontal connecting plates 3. The other end of the two parallel rear guardrail horizontal connecting plates 3 is hinged together with one end of two parallel rear guardrail flipping plates 4 through a hinge shaft 9. The other end of the two parallel rear guardrail flipping plates 4 is installed on the rear guardrail crossbar 7. The two parallel rear guardrail flipping plates 4 can drive the rear guardrail crossbar 7 to flip upward. The two rear guardrail flipping plates 4 and the two rear guardrail horizontal connecting plates 3 are provided with fixing pin holes of the same size. The outer rear guardrail horizontal connecting plate 3 is provided with a parallel pin fixing seat 10. The pin fixing seat 10 is provided with a locking pin hole corresponding to the fixing pin hole. The fixing pin 5 is inserted into the locking pin hole. The flipping of the rear guardrail flipping plate 4 is controlled by inserting the fixing pin hole.

[0016] A hinged flip shaft support frame 8 is installed on the outer side of one of the inner rear guardrail flip plates 4. One end of the hinged flip shaft 9 is mounted on the hinged flip shaft support frame 8, and the other end passes through the hinge holes of the two rear guardrail flip plates 4 and the two rear guardrail horizontal connecting plates 3. A flip spring 6 is fitted on the section of the hinged flip shaft 9 between the rear guardrail horizontal connecting plate 3 and the hinged flip shaft support frame 8. One end of the flip spring 6 is snapped onto the hinged flip shaft support frame 8, and the other end is snapped onto the rear guardrail horizontal connecting plate 3.

[0017] When the vehicle enters the unloading area to unload, rotate the fixing pin 5 to disengage it from the fixing pin holes on the rear guardrail tilting plate 4 and the rear guardrail cross connecting plate 3. That is, the fixing pin 5 opens, and the rear guardrail tilting plate 4 tilts upward around the hinged tilting shaft 9. During the tilting process, the tilting spring 6 returns to its original position, tilting the rear guardrail tilting plate 4. The tilting plate 4 tilts until the rear guardrail cross bar 7 on the rear guardrail tilting plate 4 is fully engaged with the rear guardrail tilting plate 3, at which point it tilts to its final position (e.g., ...). Figure 4 and 6 As shown), after rotating the fixing pin 5 again to fix the rear guardrail flipping plate 4, the guardrail flips. After the rear guardrail flips, the height of the guardrail crossbar 7 off the ground increases and the distance from the rear of the vehicle increases, ensuring that the vehicle can be used in various unloading sites and unloading platforms. This can greatly improve the efficiency of customer vehicles, speed up the transportation of goods, and improve the economic benefits of vehicles. Therefore, the structure of the flipping rear guardrail is more in line with the needs of most customers and more suitable for the needs of the future market.

Claims

1. A reversible rear guardrail structure, characterized in that: Includes rear guardrail mounting plate (1), rear guardrail vertical connecting plate (2), rear guardrail horizontal connecting plate (3), rear guardrail flip plate (4), fixing pin (5), flip spring (6), rear guardrail horizontal bar (7), hinged flip shaft support frame (8), and hinged flip shaft (9); The rear guardrail mounting plate (1) is installed at the rear of the vehicle chassis. The rear guardrail mounting plate (1) is connected to the rear guardrail vertical connecting plate (2). The lower end of the rear guardrail vertical connecting plate (2) is connected to one end of the two rear guardrail horizontal connecting plates (3). The other end of the two rear guardrail horizontal connecting plates (3) is hinged to one end of the two rear guardrail flipping plates (4) through the hinge flipping shaft (9). The other end of the two rear guardrail flipping plates (4) is connected to the rear guardrail crossbar (7). The two rear guardrail flipping plates (4) drive the rear guardrail crossbar (7) to flip upward. The rear guardrail flipping plates (4) and the rear guardrail horizontal connecting plates (3) are provided with fixing pin holes. The rear guardrail horizontal connecting plates (3) are provided with fixing pins (5). The fixing pins (5) are inserted into the fixing pin holes to control the flipping of the rear guardrail flipping plates (4). The hinged flip shaft support frame (8) is mounted on a rear guardrail flip plate (4); one end of the hinged flip shaft (9) is mounted on the hinged flip shaft support frame (8), and the other end passes through the hinge hole of the rear guardrail flip plate (4) and the rear guardrail horizontal connecting plate (3); the flip spring (6) is fitted on the hinged flip shaft (9).

2. The reversible rear guardrail structure according to claim 1, characterized in that: The upper end of the rear guardrail mounting plate (1) is welded to the rear guardrail vertical connecting plate (2).

3. The reversible rear guardrail structure according to claim 2, characterized in that: The lower end of the rear guardrail vertical connecting plate (2) is riveted to one end of the two rear guardrail horizontal connecting plates (3).

4. The reversible rear guardrail structure according to claim 3, characterized in that: The fixing pin (5) is connected to the rear guardrail horizontal connecting plate (3) through the pin fixing seat (10) set on the outer side of the rear guardrail horizontal connecting plate (3). The pin fixing seat (10) is provided with a locking pin hole. The fixing pin (5) controls the flipping of the rear guardrail flip plate (4) by inserting or pulling out of the locking pin hole.

5. The reversible rear guardrail structure according to claim 1, characterized in that: The lower end of the rear guardrail vertical connecting plate (2) is riveted to one end of the two rear guardrail horizontal connecting plates (3).

Images