Mining truck cab
By installing protective devices on the top of the cab of mining trucks and using airbags to buffer the impact of falling rocks, the problem of rocks hitting the top of mining trucks in deep pit-type mining terrain has been solved, achieving structural protection and improved operational efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-27
AI Technical Summary
When mining trucks operate in deep pit-type mine terrain, rocks may slide down and hit the top of the cab, causing structural damage, affecting vehicle operability and stability, increasing maintenance costs, prolonging downtime, and impacting overall operational efficiency and production progress.
A protective device is installed on the top of the cab, including a protective plate, airbags, and an air system. The airbags buffer the impact of falling rocks, and the piston rod and spring structure reduce the impact. The protective plate is designed in an arc shape for stable protection, and the removable device is easy to replace and maintain.
It effectively reduces the impact of falling rocks, prevents damage to the cab roof, maintains vehicle operability and stability, reduces maintenance costs, and ensures operational efficiency and production progress.
Smart Images

Figure CN224045151U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of mine truck cab, especially mine truck cab. BACKGROUND
[0002] The mine truck is a heavy transport vehicle specially designed for mine, quarry and other mining fields, and the mine truck cab refers to the driver's cabin part installed on the mine dump truck, which is used for accommodating and protecting the driver to operate the vehicle in the mine environment.
[0003] In the process of using the mine truck to pull the mine, when the mine truck is working in the deep pit type mine site terrain, the stone may slide and fall on the top of the cab body, causing damage and deformation of the top, and the damage of the cab body structure may affect the operability and stability of the vehicle, increase the maintenance cost, prolong the operation downtime, and thus affect the overall operation efficiency and mine production progress. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problems that in the process of using the mine truck to pull the mine, when the mine truck is working in the deep pit type mine site terrain, the stone may slide and fall on the top of the cab body, causing damage and deformation of the top, and the damage of the cab body structure may affect the operability and stability of the vehicle, increase the maintenance cost, prolong the operation downtime, and thus affect the overall operation efficiency and mine production progress.
[0005] The utility model adopts the technical scheme that the mine truck cab comprises a cab body, a protective device is arranged on the top of the cab body, the protective device can intercept falling rocks by means of the protective plate, and at the same time, the air bag is used to buffer the impact force of the falling rocks, so as to achieve the effect of protecting the top of the cab body.
[0006] Preferably, the protective device comprises a mounting frame, a detachable device is arranged between the two sides of the cab body at the two ends of the mounting frame, an air bag, one side of the air bag is fixedly installed on one side of the mounting frame, an air pipe, one end of the air pipe is fixedly installed on one side of the mounting frame, a piston rod is installed in the inner wall of one end of the air pipe, a plurality of connecting pipes, the two ends of the connecting pipe are connected with the outer surface of the air bag and the outer surface of the air pipe, a spring, the inner wall of the spring is sleeved and installed on the outer surface of one end of the piston rod, and the two ends are fixedly installed on one side of the piston rod and one side of the inner wall of the air pipe, and a protective plate, one side of the protective plate is fixedly installed on one side of one end of the piston rod.
[0007] The effect achieved by the above components is that: by setting the protection device, when the mine truck is used for mining, if the falling rocks fall down when the mine truck is working in the deep pit type mine terrain, the falling rocks will fall on the protection plate and extrude the protection plate, drive the piston rod to slide downward in the inner wall of the air pipe, stretch the spring, extrude the air in the air pipe into the connecting pipe, and then into the air bag, so that the air bag is inflated, the bottom of the protection plate is buffered, the impact force of the falling rocks is reduced, the impact force on the top of the cab body is reduced, the damage and deformation of the top of the cab body is avoided, the operability and stability of the vehicle are avoided, the maintenance cost is reduced, and the overall operation efficiency and mine production progress are avoided.
[0008] Preferably, the longitudinal section of the protection plate is in a circular arc shape.
[0009] The effect achieved by the above components is that: by setting the protection plate in a circular arc shape, the falling rocks can automatically roll to both sides after falling on the protection plate, avoiding staying on the top of the cab body.
[0010] Preferably, a sliding hole is symmetrically formed on one side of the protection plate, a sliding rod is symmetrically and fixedly installed on one side of the mounting frame, and the sliding rod is slidingly inserted into the inner wall of the sliding hole.
[0011] The effect achieved by the above components is that: by setting the sliding rod and the sliding hole, the two ends of the protection plate can be limited, so that the protection plate is not easy to tilt during protection, and the stability of the overall protection is improved.
[0012] Preferably, a plurality of reinforcing rods are fixedly installed on one side of the protection plate, and the reinforcing rods are arranged on the side of the protection plate away from the piston rod.
[0013] The effect achieved by the above components is that: by setting the reinforcing rods, the strength of the surface of the protection plate can be enhanced, and the protection effect can be improved.
[0014] Preferably, the detachable device comprises a U-shaped block, both ends of the U-shaped block are fixedly installed on one side of the cab body, a first threaded hole is formed on one side of the inner wall of the U-shaped block, a second threaded hole is formed on one side of both ends of the mounting frame, both ends of the mounting frame are respectively inserted into the inner walls of the two U-shaped blocks, and a bolt is provided.
[0015] The effect achieved by the above components is that: by setting the detachable device, when the protection plate is damaged and needs to be replaced, the bolt can be manually screwed out of the first threaded hole and the second threaded hole, and then the mounting frame can be pulled upward to be pulled out of the inner wall of the U-shaped block, so that the protection plate can be detached from the cab body, and the replacement and maintenance can be facilitated.
[0016] Preferably, the longitudinal section of the two ends of the mounting frame is trapezoidal.
[0017] The above-mentioned components achieve the effect that by setting the two ends of the mounting frame as trapezoidal shapes, the area of the two ends of the mounting frame can be reduced, the inner wall of the U-shaped block can be quickly aligned, and the mounting can be facilitated.
[0018] Preferably, one side of the bolt is fixedly provided with a connecting rope, and one end of the connecting rope is fixedly provided on one side of the mounting frame.
[0019] The above-mentioned components achieve the effect that by setting the connecting rope, the bolt can be limited on one side of the mounting frame, and the bolt is not easy to lose after being pulled out of the first threaded hole and the second threaded hole.
[0020] The beneficial effects of the utility model are:
[0021] By setting the protection device, when the mine truck is used to pull the mine, if the falling rock slides down when the mine truck is working in the mine terrain of the deep pit type, the falling rock will fall on the protection plate and extrude the protection plate, drive the piston rod to slide downward in the inner wall of the air pipe, stretch the spring, extrude the air in the air pipe into the connecting pipe, then enter the air bag, make it expand, buffer the bottom of the protection plate, slow down the impact force of the falling rock, reduce the impact force on the top of the cab main body, avoid the possibility of damage and deformation of the top of the cab main body, avoid affecting the operability and stability of the vehicle, reduce the maintenance cost, and also avoid affecting the overall operation efficiency and mine production progress. BRIEF DESCRIPTION OF DRAWINGS
[0022] The utility model will be further described below in combination with the drawings and examples.
[0023] Figure 1 It is the structure schematic diagram of the utility model.
[0024] Figure 2 It is the three-dimensional structure schematic diagram of the cab main body of the utility model.
[0025] Figure 3 It is the three-dimensional structure schematic diagram of the protection plate of the utility model.
[0026] Figure 4 It is Figure 3 It is the three-dimensional structure schematic diagram of the enlarged A of the utility model.
[0027] Legend: 1, cab body; 2, protective device; 3, detachable device; 21, mounting bracket; 22, air bag; 23, connecting pipe; 24, air pipe; 25, piston rod; 26, spring; 27, protective plate; 28, reinforcing rod; 29, sliding hole; 210, sliding rod; 31, U-shaped block; 32, first threaded hole; 33, second threaded hole; 34, bolt; 35, connecting rope. DETAILED DESCRIPTION
[0028] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so they only show the relevant components of the utility model.
[0029] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] Figures 1-4 The mine truck cab shown in the utility model, including cab body 1, the top of cab body 1 is provided with protective device 2, protective device 2 can intercept rockfall by means of protective plate 27, and the impact force of rockfall is buffered by air bag 22, to achieve the effect of protecting the top of cab body 1. It should be particularly noted that cab body 1 is a mature technical means and equipment in the prior art, and its internal structure, connection mode and principle will not be described.
[0031] Figures 1-4The shown protection device 2 includes a mounting frame 21, both ends of the mounting frame 21 are provided with detachable devices 3 between both sides of the cab body 1; an air bag 22, one side of the air bag 22 is fixedly installed on one side of the mounting frame 21; an air pipe 24, one end of the air pipe 24 is fixedly installed on one side of the mounting frame 21, and a piston rod 25 is installed through the inner wall of one end of the air pipe 24; a plurality of connecting pipes 23, both ends of the connecting pipe 23 are connected through the outer surfaces of the air bag 22 and the air pipe 24; a spring 26, the inner wall of the spring 26 is installed on the outer surface of one end of the piston rod 25, and both ends are fixedly installed on one side of the piston rod 25 and one side of the inner wall of the air pipe 24; a protective plate 27, one side of the protective plate 27 is fixedly installed on one side of one end of the piston rod 25. In the process of using the mine truck to pull the mine, when the mine truck is working in the mine terrain of deep pit type, if the falling rock slides down, it will fall on the protective plate 27 and press the protective plate 27, driving the piston rod 25 to slide downward in the inner wall of the air pipe 24, so that the spring 26 is stretched, the air in the air pipe 24 is pressed into the connecting pipe 23, and then into the air bag 22, so that the air bag 22 is inflated, buffering the bottom of the protective plate 27, reducing the impact force of the falling rock, reducing the impact force on the top of the cab body 1, avoiding the possibility of damage and deformation of the top of the cab body 1, avoiding affecting the operability and stability of the vehicle, reducing the maintenance cost, and also avoiding affecting the overall operation efficiency and mine production progress.
[0032] Figures 1-4 The longitudinal section of the shown protective plate 27 is in the shape of a circular arc. By setting the protective plate 27 in the shape of a circular arc, the falling rock can automatically roll to both sides after falling on the protective plate 27, avoiding staying on the top of the cab body 1. One side of the protective plate 27 is symmetrically provided with a sliding hole 29, and one side of the mounting frame 21 is fixedly provided with a sliding rod 210 which is slidingly inserted into the inner wall of the sliding hole 29. By setting the sliding rod 210 and the sliding hole 29, the two ends of the protective plate 27 can be limited, so that it is not easy to incline during protection, improving the stability of the overall protection. A plurality of reinforcing rods 28 are fixedly installed on one side of the protective plate 27 away from the piston rod 25. By setting the reinforcing rod 28, the strength of the surface of the protective plate 27 can be enhanced, and the protection effect can be improved.
[0033] Figures 1-4The detachable device 3 shown includes a U-shaped block 31, both ends of which are fixedly installed on one side of the cab body 1. The inner wall of the U-shaped block 31 is provided with a first threaded hole 32, and the two ends of the mounting bracket 21 are provided with a second threaded hole 33 on one side, and the two ends of the mounting bracket 21 are respectively inserted into the inner wall of the two U-shaped blocks 31; a bolt 34, one end of which is screwed into the inner wall of the first threaded hole 32 and the second threaded hole 33. When the protective plate 27 needs to be replaced due to damage, the bolt 34 can be manually screwed out of the first threaded hole 32 and the second threaded hole 33, and then the mounting bracket 21 can be pulled upward and pulled out of the inner wall of the U-shaped block 31, so that the protective plate 27 is detached from the cab body 1, facilitating replacement and maintenance.
[0034] Figures 1-4 The two ends of the mounting bracket 21 are trapezoidal in longitudinal section. By setting the two ends of the mounting bracket 21 to be trapezoidal, the area of the two ends of the mounting bracket 21 can be reduced, facilitating quick alignment with the inner wall of the U-shaped block 31 and convenient insertion. One side of the bolt 34 is fixedly installed with a connecting rope 35, one end of which is fixedly installed on one side of the mounting bracket 21. By providing the connecting rope 35, the bolt 34 can be limited on one side of the mounting bracket 21, so that it is not easy to lose after being pulled out of the first threaded hole 32 and the second threaded hole 33.
[0035] Working principle: During the use of the mine truck for mining, when the mine truck is working in the deep pit type mine terrain, if the falling rocks slide down, they will fall on the protective plate 27 and press the protective plate 27, driving the piston rod 25 to slide downward in the inner wall of the air pipe 24, so that the spring 26 is stretched, the air in the air pipe 24 is pressed into the connecting pipe 23, and then into the air bag 22, causing the air bag 22 to expand and buffer the bottom of the protective plate 27, reducing the impact force of the falling rocks and the impact force on the top of the cab body 1, thereby avoiding the possibility of damage and deformation of the top of the cab body 1, avoiding affecting the operability and stability of the vehicle, reducing maintenance costs, and also avoiding affecting the overall operation efficiency and mine production progress.
[0036] When the protective plate 27 needs to be replaced due to damage, the bolt 34 can be manually screwed out of the first threaded hole 32 and the second threaded hole 33, and then the mounting bracket 21 can be pulled upward and pulled out of the inner wall of the U-shaped block 31, so that the protective plate 27 is detached from the cab body 1, facilitating replacement and maintenance.
[0037] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.
Claims
1. A cab for a mining truck, comprising a cab body (1), characterised in that: The top of the cab body (1) is provided with a protective device (2), which can intercept falling rocks by means of a protective plate (27), and at the same time, the air bag (22) can buffer the impact force of the falling rocks, so as to achieve the effect of protecting the top of the cab body (1).
2. The mine truck cab of claim 1, characterized by: The protective device (2) comprises a mounting frame (21), and the two ends of the mounting frame (21) are respectively provided with a detachable device (3) between the two sides of the cab body (1); An air bag (22), wherein one side of the air bag (22) is fixedly installed on one side of the mounting frame (21); An air pipe (24), wherein one end of the air pipe (24) is fixedly installed on one side of the mounting frame (21), and a piston rod (25) is installed through the inner wall of one end of the air pipe (24); A plurality of connecting pipes (23), wherein the two ends of the connecting pipe (23) are respectively connected with the outer surface of the air bag (22) and the outer surface of the air pipe (24); A spring (26), wherein the inner wall of the spring (26) is sleeved and installed on the outer surface of one end of the piston rod (25), and the two ends are respectively fixedly installed on one side of the piston rod (25) and one side of the inner wall of the air pipe (24); A protective plate (27), wherein one side of the protective plate (27) is fixedly installed on one side of one end of the piston rod (25).
3. The mine truck cab of claim 2, characterized by: The longitudinal section of the protective plate (27) is in the shape of a circular arc.
4. The mine truck cab of claim 2, characterized by: One side of the protective plate (27) is symmetrically provided with a sliding hole (29), and one side of the mounting frame (21) is fixedly provided with a sliding rod (210), which is slidingly inserted into the inner wall of the sliding hole (29).
5. The mine truck cab of claim 2, characterized by: One side of the protective plate (27) is fixedly provided with a plurality of reinforcing rods (28), which are arranged on the side of the protective plate (27) away from the piston rod (25).
6. The mine truck cab of claim 2, characterized by: The detachable device (3) comprises a U-shaped block (31), wherein the two ends of the U-shaped block (31) are fixedly installed on one side of the cab body (1); a first threaded hole (32) is formed in one side of the inner wall of the U-shaped block (31), and a second threaded hole (33) is formed in one side of the two ends of the mounting frame (21), and the two ends of the mounting frame (21) are respectively inserted into the inner walls of the two U-shaped blocks (31); A bolt (34), wherein one end of the bolt (34) is screwingly inserted into the inner walls of the first threaded hole (32) and the second threaded hole (33).
7. The mine truck cab of claim 2, characterized by: The longitudinal section of the two ends of the mounting frame (21) is in the shape of a trapezoid.
8. The mine truck cab of claim 6, characterized by: One side of the bolt (34) is fixedly provided with a connecting rope (35), and one end of the connecting rope (35) is fixedly installed on one side of the mounting frame (21).