Vehicle cab protection device

Abstract

The utility model relates to the technical field of protective devices, in particular to a vehicle cab protective device which comprises a fixing sleeve and a top protective plate, first hinge seats are fixedly connected to the front end and the rear end of the right side of the top protective plate, and first hinge blocks are hinged to the inner sides of the first hinge seats. The right side of the first hinge block is fixedly connected with a front baffle protection plate, and the middle end of the bottom of the top protection plate is fixedly connected with a third hinge seat. Through cooperation of the structures, the device has the advantages of being good in protection effect and convenient to clean glass, and solves the problems that most of existing vehicle cab protection devices are welded through steel plates and net plates and fixed to cabs, a certain protection effect is achieved, but the protection effect is poor. The structure easily affects the visual field of a driver under the safe working condition, prevents the driver from breaking a window to escape, is inconvenient to clean glass, and has certain limitation in use.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a vehicle cab protective device. Background Art

[0002] In harsh working conditions such as mines and tunnels, falling rocks and bricks often occur. This is especially true during mine blasting, which can generate a large amount of flying debris and debris that can hit working vehicles, causing damage to the cab roof and front glass, and injuring the driver. Therefore, protective devices must be installed in the cabs of mining engineering vehicles.

[0003] At present, most existing vehicle cab protection devices are made of steel plates and mesh plates welded and fixed to the cab, which plays a certain protective role. However, this structure easily affects the driver's field of view under safe working conditions, hinders the driver from breaking windows to escape, and is inconvenient to clean the glass. Therefore, it has certain limitations in use. To this end, we propose a vehicle cab protection device. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle cab protection device, which has the advantages of good protection effect and convenient glass cleaning, and solves the problem that most existing vehicle cab protection devices are made of steel plates and mesh plates welded and fixed on the cab, which has a certain protective effect. However, this structure easily affects the driver's field of vision under safe working conditions, hinders the driver from breaking the window to escape, and is inconvenient to clean the glass, and has certain limitations in use.

[0005] The rear wheelchair of the vehicle is fixedly mounted on the side panel of the vehicle frame, and the rear wheelchair is connected to the side panel of the vehicle frame by a fixing mechanism.

[0006] Preferably, the right end of the top of the top protection plate is fixedly provided with a positioning assembly, the rear end of the top of the positioning assembly is fixedly connected with a fixed plate, the right end of the rear side of the fixed plate is fixedly provided with a latch cylinder, and the protruding end of the latch cylinder is fixedly connected with a positioning pin rod.

[0007] Preferably, the left end of the top of the front protection plate is fixedly provided with a plug-in seat, the middle end of the left side of the plug-in seat is fixedly connected with a butt joint block, and the left end of the butt joint block and the right end of the positioning assembly are both provided with a pin hole matched with the positioning pin rod.

[0008] Preferably, the surfaces of the top protection plate, the front protection plate and the extension protection plate are all paved with transparent elastic panels.

[0009] Preferably, the bottom of the limiting sliding seat is bonded with a shock isolation pad.

[0010] Preferably, the bottom of the inner cavity of the fixed sleeve is fixedly connected with a buffer spring, the top of the buffer spring is fixedly connected with a movable rod sliding on the inner side of the fixed sleeve, and the top of the movable rod is fixedly connected with the bottom of the top protection plate.

[0011] Preferably, the bottom of the fixed sleeve is fixedly connected with a mounting bottom plate, and the inner surface of the mounting bottom plate is provided with a mounting hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The first cylinder is controlled to protrude, so that the front protection plate is upwardly turned around the hinge end of the first hinge seat and the first hinge block, and the top of the turned front protection plate is leveled with the top of the top protection plate, so that the cab and the upper part of the front glass can be covered, the impact of falling rocks on the cab from the top can be effectively prevented, the driver can conveniently clean the front glass, and the utility model is convenient to use.

[0014] 2. The utility model extends the first cylinder and drives the front guard plate to flip upward with the hinged end of the first hinge seat and the first hinge block as the center of the circle, and the top of the flipped front guard plate can be flush with the top of the top guard plate. At this time, the socket will drive the docking card block to insert into the right end of the positioning component. Then, the external controller controls the latch cylinder to drive the positioning pin rod to insert into the docking card block and the pin hole of the positioning component, and then the state in which the front guard plate is flush with the top guard plate can be locked, which can prevent the first cylinder from leaking during the vehicle driving, causing the front guard plate to flip over, thereby playing a role of safety protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;

[0016] Figure 2 This is a schematic cross-sectional view of the utility model from a second viewing angle;

[0017] Figure 3 This is a schematic diagram of the matching structure of the extension protection plate and the limiting slide seat of the utility model;

[0018] Figure 4 This is a schematic diagram of the matching structure of the connector and the positioning assembly of the utility model;

[0019] Figure 5 This is a schematic cross-sectional structural diagram of the fixing sleeve of the utility model.

[0020] In the figure: 1. fixing sleeve; 2. top protective plate; 3. first articulated seat; 4. first articulated block; 5. extension protective plate; 6. plug-in seat; 7. shock-isolating pad; 8. front windshield protective plate; 9. mounting base; 10. movable rod; 11. second articulated seat; 12. third articulated seat; 13. positioning assembly; 14. second cylinder; 15. fourth articulated seat; 16. buffer spring; 17. fifth articulated seat; 18. first cylinder; 19. limiting slider; 20. limiting slider; 21. positioning pin rod; 22. docking block; 23. fixing plate; 24. pin hole; 25. plug-in cylinder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] The fixing sleeve 1, top protective plate 2, first articulated seat 3, first articulated block 4, extended protective plate 5, plug-in seat 6, seismic isolation pad 7, front windshield protective plate 8, mounting base 9, movable rod 10, second articulated seat 11, third articulated seat 12, positioning assembly 13, second cylinder 14, fourth articulated seat 15, buffer spring 16, fifth articulated seat 17, first cylinder 18, limiting slider 19, limiting slider 20, positioning pin rod 21, docking block 22, fixing plate 23, pin hole 24 and plug cylinder 25 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0025] Example 1

[0026] See also Figure 1-Figure 5As shown, the utility model provides a technical solution: a vehicle cab protection device, including a fixing sleeve 1 and a top protective plate 2, the front and rear ends of the right side of the top protective plate 2 are fixedly connected to a first hinge seat 3, the inner side of the first hinge seat 3 is hinged with a first hinge block 4, the right side of the first hinge block 4 is fixedly connected to a front windshield protective plate 8, the middle end of the bottom of the top protective plate 2 is fixedly connected to a third hinge seat 12, the front and rear ends of the bottom of the top protective plate 2 and the front windshield protective plate 8 are respectively fixedly installed with a second hinge seat 11 and a fifth hinge seat 17, and a first cylinder is movably connected between the second hinge seat 11 and the fifth hinge seat 17. 18. The front and rear ends of the bottom of the front guard plate 8 are fixedly installed with limit slides 20, and an extended guard plate 5 is arranged between the two limit slides 20. The front and rear sides of the extended guard plate 5 are fixedly connected with limit sliders 19 that slide in the limit slides 20. The right end of the bottom of the extended guard plate 5 is fixedly installed with a fourth hinge seat 15 corresponding to the third hinge seat 12. The third hinge seat 12 and the fourth hinge seat 15 are movably connected with a second cylinder 14. The surfaces of the top guard plate 2, the front guard plate 8 and the extended guard plate 5 are all paved with transparent elastic panels, and the bottom of the limit slide 20 is bonded with a shock isolation pad 7.

[0027] This technical solution: through the arrangement of the first hinge seat 3 and the first hinge block 4, with the assistance of the second hinge seat 11 and the fifth hinge seat 17, when the first cylinder 18 is extended, the front windshield guard plate 8 can be turned upward with the hinge end of the first hinge seat 3 and the first hinge block 4 as the center of the circle, and then the top of the flipped front windshield guard plate 8 can be flush with the top of the top guard plate 2. At this time, this device can cover the cab and the upper part of the front windshield, which can effectively prevent the impact of falling rocks on the vehicle cab from the top, and facilitate the driver to clean the front windshield, which is easy to use;

[0028] By setting the first hinge seat 3 and the first hinge block 4, with the assistance of the second hinge seat 11 and the fifth hinge seat 17, when the first cylinder 18 is retracted, the front windshield protection plate 8 can be turned downward to a position parallel to the front windshield surface with the hinge end of the first hinge seat 3 and the first hinge block 4 as the center of the circle. Then, according to the different protection areas of the front windshield, with the assistance of the third hinge seat 12, the external controller controls the second cylinder 14 to drive the fourth hinge seat 15 to extend. When the fourth hinge seat 15 moves, it can drive the extension protection plate 5 to The extended protective plate 5 extends outward, and at the same time, the extended protective plate 5 drives the limit slider 19 to slide in the limit slider 20, which ensures the stability of the extended protective plate 5 during movement, and the extended protective plate 5 extends to cover the entire front windshield surface, so that the device can cover the entire upper part and the front of the cab, and can effectively prevent the impact of falling rocks on the vehicle cab from the top and the front, so that the device has a good protective effect. Through the setting of the seismic isolation pad 7, it can play the role of seismic isolation protection between the windshield and the extended protective plate 5 during the driving of the vehicle.

[0029] Example 2

[0030] On the basis of embodiment 1, the present invention is as follows Figures 1-4 As shown, it is disclosed that a positioning assembly 13 is fixedly installed on the right end of the top of the top protective plate 2, a fixing plate 23 is fixedly connected to the rear end of the top of the positioning assembly 13, a latch cylinder 25 is fixedly installed on the right end of the rear side of the fixing plate 23, and the protruding end of the latch cylinder 25 is fixedly connected to the positioning pin rod 21, and a socket 6 is fixedly installed on the left end of the top of the front windshield protective plate 8, and a docking block 22 is fixedly connected to the middle end of the left side of the socket 6, and a pin hole 24 that is compatible with the positioning pin rod 21 is provided at the left end of the docking block 22 and the right end of the positioning assembly 13.

[0031] This technical solution: through the setting of the positioning component 13 and the socket 6, the first cylinder 18 extends and drives the front shield plate 8 to flip upward with the hinged end of the first hinge seat 3 and the first hinge block 4 as the center of the circle, and the top of the flipped front shield plate 8 can be flush with the top of the top shield plate 2. At this time, the socket 6 will drive the docking card block 22 to insert into the right end of the positioning component 13. Then, the external controller controls the latch cylinder 25 to drive the positioning pin rod 21 to insert into the docking card block 22 and the pin hole 24 of the positioning component 13, and then the state after the front shield plate 8 is flush with the top shield plate 2 can be locked, which can prevent the first cylinder 18 from leaking during the driving of the vehicle, causing the front shield plate 8 to flip over, thereby playing a role of safety protection. When the front shield plate 8 needs to flip downward, the external controller controls the latch cylinder 25 to drive the positioning pin rod 21 to exit the pin hole 24.

[0032] Example 3

[0033] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 5 As shown, it is disclosed that the bottom of the inner cavity of the fixed sleeve 1 is fixedly connected to a buffer spring 16, the top of the buffer spring 16 is fixedly connected to a movable rod 10 that slides on the inner side of the fixed sleeve 1, and the top of the movable rod 10 is fixedly connected to the bottom of the top protective plate 2, the bottom of the fixed sleeve 1 is fixedly connected to a mounting base plate 9, and the inner surface of the mounting base plate 9 is provided with a mounting hole.

[0034] This technical solution: through the setting of the buffer spring 16, when a rockfall impact occurs on the top of the top protective plate 2, the top protective plate 2 can drive the movable rod 10 to compress the buffer spring 16 in the fixed sleeve 1, thereby being able to play a buffering and protective role, effectively reducing the damage caused by the impact force to the vehicle cab.

[0035] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0036] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A vehicle cab protection device, comprising a fixing sleeve (1) and a top protection plate (2), characterized in that: The front and rear ends of the right side of the top protective plate (2) are fixedly connected to the first hinge seat (3), the inner side of the first hinge seat (3) is hinged to the first hinge block (4), the right side of the first hinge block (4) is fixedly connected to the front windshield protective plate (8), the middle end of the bottom of the top protective plate (2) is fixedly connected to the third hinge seat (12), the front and rear ends of the bottom of the top protective plate (2) and the front windshield protective plate (8) are fixedly installed with the second hinge seat (11) and the fifth hinge seat (17), respectively, the second hinge seat (11) and the fifth hinge seat (17) are movably connected. A first cylinder (18) is connected, and the front and rear ends of the bottom of the front guard plate (8) are fixedly installed with a limit slide (20), an extension guard plate (5) is arranged between the two limit slides (20), and the front and rear sides of the extension guard plate (5) are fixedly connected with a limit slider (19) sliding in the limit slide (20), and the right end of the bottom of the extension guard plate (5) is fixedly installed with a fourth hinge seat (15) corresponding to the third hinge seat (12), and a second cylinder (14) is movably connected between the third hinge seat (12) and the fourth hinge seat (15).

2. The vehicle cab protection device according to claim 1, characterized in that: A positioning assembly (13) is fixedly mounted on the right end of the top of the top protective plate (2), a fixing plate (23) is fixedly connected to the rear end of the top of the positioning assembly (13), a latch cylinder (25) is fixedly mounted on the right end of the rear side of the fixing plate (23), and a positioning pin rod (21) is fixedly connected to the protruding end of the latch cylinder (25).

3. The vehicle cab protection device according to claim 1, characterized in that: A socket (6) is fixedly mounted on the left end of the top of the front guard plate (8), a docking block (22) is fixedly connected to the middle end of the left side of the socket (6), and a pin hole (24) adapted to the positioning pin rod (21) is provided at the left end of the docking block (22) and the right end of the positioning assembly (13).

4. The vehicle cab protection device according to claim 1, characterized in that: The surfaces of the top protective plate (2), the front windshield protective plate (8) and the extended protective plate (5) are all paved with transparent elastic panels.

5. The vehicle cab protection device according to claim 1, characterized in that: A shock-isolating pad (7) is bonded to the bottom of the position-limiting sliding seat (20).

6. The vehicle cab protection device according to claim 1, characterized in that: The bottom of the inner cavity of the fixed sleeve (1) is fixedly connected to a buffer spring (16), the top of the buffer spring (16) is fixedly connected to a movable rod (10) that slides inside the fixed sleeve (1), and the top of the movable rod (10) is fixedly connected to the bottom of the top protective plate (2).

7. The vehicle cab protection device according to claim 6, characterized in that: The bottom of the fixing sleeve (1) is fixedly connected to a mounting base plate (9), and a mounting hole is provided on the inner surface of the mounting base plate (9).

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