Vehicle protection device with lifting function

Abstract

The utility model provides a vehicle protection device with a lifting function, comprising: a support frame detachably connected with a vehicle body, the support frame being provided with a first fixed pulley and a second fixed pulley located below the first fixed pulley; protective fences are vertically arranged on the two opposite sides of the top of the connecting plate correspondingly, and the connecting plate is in sliding connection with the supporting frame; the lifting mechanism is arranged on the supporting frame, a lifting rope is wound on the lifting mechanism, the free end of the lifting rope sequentially bypasses the second fixed pulley and the first fixed pulley to be connected to the top end of the connecting plate, and the lifting mechanism is used for enabling the lifting rope to be wound or loosened on the lifting mechanism so that the connecting plate can vertically move upwards or downwards on the supporting frame. The working personnel standing on the top of the vehicle body for operation are protected through the protective fences, the safety of the working personnel working on the top of the vehicle body is improved, and the safety of the working personnel is protected.

Description

Technical Field

[0001] The present application relates to the field of protection technology, and in particular to a vehicle protection device with a lifting function. Background Art

[0002] During the assembly and maintenance process of the vehicle, it is inevitable that workers need to stand on the top of the vehicle to perform operations. After squatting or standing on the top of the vehicle for a long time, workers are prone to fatigue and may fall due to empty steps, resulting in dangerous situations such as potential safety hazards in the assembly and maintenance process of the vehicle.

[0003] However, for vehicles with higher heights (e.g., tanks, the assembly and maintenance of which usually require workers to stand on the top deck to work), if the workers step on empty space and fall due to fatigue, the consequences will be serious. Therefore, in order to avoid the above-mentioned dangers during the assembly and maintenance of the vehicle, it is necessary to install a guardrail on the top of the vehicle during the assembly and maintenance of the vehicle. In order to make the guardrail able to meet the requirements of vehicles of different heights, the present application proposes a vehicle protection device with a lifting function. Utility Model Content

[0004] The present application provides a vehicle protection device with a lifting function, which is used to solve the technical problems described in the above background technology.

[0005] In order to solve the above technical problems, this application adopts the following technical solutions:

[0006] The present application provides a vehicle protection device with a lifting function, comprising:

[0007] A support frame, the support frame is detachably connected to the vehicle body, and the support frame is provided with a first fixed pulley and a second fixed pulley located below the first fixed pulley;

[0008] A connecting plate, wherein guardrails are vertically arranged on opposite sides of the top of the connecting plate and are slidably connected to the supporting frame;

[0009] A lifting mechanism, wherein the lifting mechanism is arranged on the support frame and a lifting rope is wound around it, the free end of the lifting rope is sequentially passed around the second fixed pulley and the first fixed pulley to be connected to the top end of the connecting plate, and the lifting mechanism is used to make the lifting rope be wound around or loosened thereon to realize the vertical upward or downward movement of the connecting plate on the support frame.

[0010] Optionally, the guardrail includes a guard frame and a plurality of guard plates;

[0011] A plurality of the protection plates are arranged at equal intervals in the protection frame, the top of one side of the protection frame is hinged to the connecting plate, and the bottom of one side thereof can be connected to the connecting plate via a safety pin.

[0012] Optionally, a vertical slide groove is provided on the support frame;

[0013] The connecting plate is provided with a sliding seat, and the sliding seat is provided with a rolling bearing matching the vertical slide groove, and the rolling bearing can slide vertically up and down in the vertical slide groove.

[0014] Optionally, there are two vertical slide grooves, and the two vertical slide grooves are relatively opened on the support frame;

[0015] The sliding seat is provided with the rolling bearings which correspond to and match the two vertical sliding grooves one by one.

[0016] Optionally, casters are provided at the bottom of the support frame, and the casters are connected to the road wheels of the vehicle body through an anti-rollover adjustment rod.

[0017] Optionally, a push handle is provided on the support frame.

[0018] Optionally, a lifting component for lifting the support frame is provided at the bottom of the support frame;

[0019] The lifting assembly includes a threaded rod and a foot support; the bottom end of the threaded rod has a thread that penetrates through the bottom of the support frame and is rotatably connected to the foot support, and the top end of the threaded rod is sleeved with a hand wheel.

[0020] The vehicle protection device with lifting function provided by the present application not only realizes the stability of the connection between the support frame and the vehicle body, but also facilitates disassembly by setting a support frame and connecting the support frame to the vehicle body in a detachable manner. In addition, a first fixed pulley and a second fixed pulley located below the first fixed pulley are arranged on the support frame, and guardrails are vertically arranged on opposite sides of the top of the connecting plate, and the connecting plate is slidably connected to the support frame, so that the lifting rope wound thereon is wound or loosened thereon through the lifting mechanism to realize the vertical upward or downward movement of the connecting plate on the support frame, thereby realizing the adjustment of the height of the top of the guardrail relative to the top of the vehicle body. Therefore, the present application protects the staff standing on the top of the vehicle body to perform operations through the guardrail, improves the safety of the staff working on the top of the vehicle body, and protects the staff's own safety. At the same time, the height of the top of the guardrail relative to the top of the vehicle body can be adjusted according to the vehicle model height, so that the guardrail can maintain the staff's own safety during the assembly and maintenance of vehicles of different vehicle model heights, thereby making the applicability of the protective device more extensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A side view of a guardrail of a vehicle protection device with a lifting function provided in an embodiment of the present application during use;

[0023] Figure 2 A front view of a guardrail of a vehicle protection device with a lifting function provided by another embodiment of the present application during use;

[0024] Figure 3 A schematic diagram of a structure with a jacking assembly provided in one embodiment of the present application;

[0025] Figure 4 A side view of a folded guardrail of a vehicle protection device with a lifting function provided in one embodiment of the present application;

[0026] Figure 5 A front view of a folded guardrail of a vehicle protection device with a lifting function provided by another embodiment of the present application;

[0027] Figure 6 A schematic diagram of a structure in which a rolling bearing on a sliding seat slides in a vertical sliding groove provided on a supporting frame according to another embodiment of the present application;

[0028] Figure 7 A schematic structural diagram of a vehicle protection device with a lifting function provided in another embodiment of the present application installed on a vehicle body.

[0029] In the figure: 100, support frame; 101, first fixed pulley; 102, second fixed pulley; 103, vertical slide groove; 104, caster; 105, push handle; 200, vehicle body; 201, road wheel; 300, connecting plate; 301, sliding seat; 3011, rolling bearing; 400, guardrail; 401, protection frame; 402, protection plate; 500, lifting mechanism; 501, lifting rope; 600, anti-tipping adjustment rod; 700, jacking assembly; 701, threaded rod; 7011, handwheel; 702, footrest. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present application.

[0031] refer to Figures 1 to 6 The present application provides a vehicle protection device with a lifting function, comprising:

[0032] The support frame 100 is detachably connected to the vehicle body 200, and the support frame 100 is provided with a first fixed pulley 101 and a second fixed pulley 102 located below the first fixed pulley 101; wherein, when the protective device is used to protect the staff working on the top of the vehicle body 200, the support frame 100 is connected to the vehicle body 200, thereby improving the stability of the support frame 100 during use, and after the protection process is completed, the support frame 100 can be removed from the vehicle body 200 and stored, etc., which improves the convenience of using the support frame 100. In addition, the support frame 100 can be set according to the height of the vehicle body 200 to be protected, so this application does not specifically limit it here.

[0033] The connecting plate 300, the two opposite sides of the top of the connecting plate 300 are respectively provided with guardrails 400 vertically, and they are slidably connected with the support frame 100; wherein, the guardrails 400 vertically provided on the two opposite sides of the top of the connecting plate 300 are used to protect the workers working on the top of the vehicle body 200, and the length and height of each guardrail 400 can be set according to the actual situation, in order to ensure that the guardrails 400 improve the safety of the workers themselves in the process of protecting the workers. Therefore, this application does not make specific limitations on it.

[0034] The lifting mechanism 500 is arranged on the support frame 100 and is wound with a lifting rope 501. The free end of the lifting rope 501 is connected to the top of the connecting plate 300 by winding around the second fixed pulley 102 and the first fixed pulley 101 in sequence. The lifting mechanism 500 is used to make the lifting rope 501 wound or loosened thereon to realize the vertical upward or downward movement of the connecting plate 300 on the support frame 100, thereby realizing the adjustment of the height of the top of the guardrail 400 relative to the top of the vehicle body 200. Among them, the lifting mechanism 500 can be a hand-cranked winch with a self-locking function, a hand-cranked winch with a self-locking function, etc., which can be selected according to actual needs. Therefore, this application does not further limit it here. The lifting rope 501 can be made of steel wire, and the purpose is to pull the connecting plate 300 during the lifting process of the connecting plate 300 so that the connecting plate 300 moves vertically upward or downward on the support frame 100.

[0035] In actual use, the vehicle protection device with lifting function provided by the present application is provided by setting a support frame 100 and connecting the support frame 100 with the vehicle body 200, and providing a first fixed pulley 101 and a second fixed pulley 102 located below the first fixed pulley 101 on the support frame 100, and vertically providing guardrails 400 on opposite sides of the top of the connecting plate 300, respectively, and the connecting plate 300 is slidably connected to the support frame 100, and then the lifting rope 501 wound thereon is wound or loosened thereon by the lifting mechanism 500 to realize the vertical upward or downward movement of the connecting plate 300 on the support frame 100 until the guardrail 400 can safely protect the staff on the top of the vehicle body 200. After the staff finishes the work, the support frame 100 is removed from the vehicle body 200, so that the support frame 100 can be collected or installed on another vehicle body 200. Therefore, the present application protects the staff standing on the top of the vehicle body 200 for work by means of the guardrail 400 (such as Figure 7 As shown in the figure, the safety of the workers working on the top of the vehicle body 200 is improved, and the workers' own safety is protected. At the same time, the height of the top of the guardrail 400 relative to the top of the vehicle body 200 can be adjusted according to the vehicle height of the vehicle body 200, so that the guardrail 400 can maintain the workers' own safety during the assembly and maintenance of the vehicle body 200 of different vehicle heights, thereby making the protective device more widely applicable.

[0036] In some embodiments, reference Figure 2 and Figure 5The guardrail 400 in the present application includes a guard frame 401 and a plurality of guard plates 402; specifically, a plurality of guard plates 402 are arranged at equal intervals in the guard frame 401, and the top of one side of the guard frame 401 is hinged to the connecting plate 300 (wherein, in order to ensure that the two guard frames 401 do not interfere with each other after being folded, the two guard frames 401 located on both sides of the connecting plate 300 are not in the same vertical plane with the hinge points of the connecting plate 300, so that the two guard frames 401 overlap each other front and back after being folded), and the bottom of one side thereof can be connected to the connecting plate 300 through a safety pin 4011. The interval between each two adjacent guard plates 402 can be set according to actual needs, and therefore, the present application does not make specific limitations on it. In addition, a socket is provided on one side of the guard frame 401 close to its bottom and on the connecting plate 300, and both sockets match the safety pin 4011. In addition, the protective frame 401 is hinged to the connecting plate 300 to realize the folding of the protective frame 401. Specifically, since the top of one side of the protective frame 401 is hinged to the connecting plate 300, the safety pin is pulled out during the folding process of the protective frame 401, so that the bottom of one side of the protective frame 401 is separated from the connecting plate 300, and the protective frame 401 rotates downward with itself and the connecting plate 300 as the center under the action of its own gravity. Figure 5 In the process of unfolding the protection frame 401, pull up the side of the protection frame 401 relative to the hinge point between itself and the connecting plate 300, and the protection frame 401 moves upward around the hinge point between itself and the connecting plate 300. When the protection frame 401 is perpendicular to the connecting plate 300, insert the safety pin to fix the protection frame 401 on the connecting plate 300, and you can get Figure 2 As shown in the unfolded protection frame 401 , the folding and unfolding process of the protection frame 401 is simple and easy to operate, and the protection frame 401 can be stored by folding the protection frame 401 , thereby saving the space occupied by the protection device.

[0037] In some embodiments, reference Figure 6 , a vertical slide groove 103 is provided on the support frame 100 in the present application; wherein, the vertical slide groove 103 extends vertically along the height direction of the support frame 100, and the length of the vertical slide groove 103 can be set according to actual conditions. The present application does not further limit the length value of the vertical slide groove 1032.

[0038] Specifically, the connecting plate 300 is provided with a sliding seat 301, and the sliding seat 301 is provided with a rolling bearing 3011 matching the vertical slide groove 103, and the rolling bearing 3011 can slide vertically up and down in the vertical slide groove 103. The sliding seat 301 is fixedly connected to the connecting plate 300, and the rolling bearing 3011 on the sliding seat 301 slides vertically up and down in the vertical slide groove 103 to drive the connecting plate 300 to move vertically up and down relative to the supporting frame 100, thereby realizing the adjustment of the height of the guardrail 400.

[0039] In some embodiments, there are two vertical slide grooves 103 in the present application, and the two vertical slide grooves 103 are relatively opened on the support frame 100; specifically, the sliding seat 301 is provided with rolling bearings 3011 that correspond to and match the two vertical slide grooves 103 one by one.

[0040] In the above embodiment, since the two guardrails 400 are respectively vertically arranged on the opposite sides of the connecting plate 300, and two vertical slide grooves 103 are relatively opened on the support frame 100, and rolling bearings 3011 corresponding to the two vertical slide grooves 103 are arranged on the sliding seat 301, the stability of the connecting plate 300 in the up and down movement process is improved by the rolling of the rolling bearings 3011 in the two vertical slide grooves 103.

[0041] In some embodiments, reference Figure 1 , Figure 2 , Figure 4 and Figure 5 , the bottom of the support frame 100 in the present application is provided with a caster 104, and the caster 104 is connected to the road wheel 201 of the vehicle body through an anti-tilt adjustment rod 600. Among them, the caster 104 and the road wheel 201 are both provided with connection holes, and one end of the anti-tilt adjustment rod 600 sequentially penetrates the connection hole on the caster 104 and the connection hole on the road wheel 201 or sequentially penetrates the connection hole on the road wheel 201 and the connection hole on the caster 104, so as to connect the support frame 100 with the vehicle body 200, so that the process of the staff working on the top of the vehicle body 200 is more stable, thereby improving the safety of the staff's work. After the operation process is completed, the vehicle body 200 can be separated from the support frame 100 by pulling out the anti-tilt adjustment rod 600, so that the connection or separation process of the vehicle body 200 and the support frame 100 is more convenient.

[0042] In some embodiments, reference Figure 1 , Figure 2 , Figure 4 and Figure 5, the support frame 100 in the present application is provided with a push handle 105. Since the bottom of the support frame 100 is provided with a caster 104, the position of the support frame 100 relative to the reference surface (the plane on which the support frame is placed) can be changed by moving the caster 104, and the support frame 100 is pushed by the push handle 105, so that the support frame 100 moves on the reference surface through the caster 104 at its bottom, thereby improving the convenience of moving the support frame 100. In addition, the setting height of the support frame 100 and its own height can be set according to actual needs, and the present application does not specifically limit them here.

[0043] In some embodiments, reference Figure 2 and Figure 3 The bottom of the support frame 100 in the present application is provided with a lifting assembly 700 for lifting the support frame 100; specifically, the lifting assembly 700 includes a threaded rod 701 and a footrest 702; the bottom end of the threaded rod 701 is threaded through the bottom of the support frame 100 and is rotatably connected to the footrest 702. Among them, a threaded through hole is provided at the bottom of the support frame 100, and the threaded through hole matches the threaded rod 701. The bottom end of the threaded rod 701 passes through the threaded through hole from top to bottom and is rotatably connected to the footrest 702, and the lower surface of the footrest 702 is in contact with the reference surface. In addition, a hand wheel 7011 is sleeved on the top of the threaded rod 701.

[0044] In the above embodiment, the bottom end of the threaded rod 701 is rotated on the foot support 702 by rotating the hand wheel 7011, so as to realize the upward movement of the support frame 100, so that the caster 104 on the support frame 100 is separated from the ground, avoiding the movement of the caster 104, thereby improving the stability of the support frame 100 during the operation of the staff.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A vehicle protection device with lifting function, characterized in that: include: A support frame (100), the support frame (100) being detachably connected to the vehicle body (200), and the support frame (100) being provided with a first fixed pulley (101) and a second fixed pulley (102) located below the first fixed pulley (101); A connecting plate (300), wherein guardrails (400) are vertically arranged on opposite sides of the top of the connecting plate (300), and are slidably connected to the supporting frame (100); A lifting mechanism (500), wherein the lifting mechanism (500) is arranged on the support frame (100) and a lifting rope (501) is wound around the lifting mechanism (500), and the free end of the lifting rope (501) is successively passed around the second fixed pulley (102) and the first fixed pulley (101) to be connected to the top end of the connecting plate (300), and the lifting mechanism (500) is used to make the lifting rope (501) wound around or loosened thereon to realize the vertical upward or downward movement of the connecting plate (300) on the support frame (100).

2. The vehicle protection device with lifting function according to claim 1, characterized in that: The protection fence (400) comprises a protection frame (401) and a plurality of protection plates (402); A plurality of the protective plates (402) are arranged at equal intervals in the protective frame (401); the top of one side of the protective frame (401) is hinged to the connecting plate (300), and the bottom of one side can be connected to the connecting plate (300) via a safety pin (4011).

3. The vehicle protection device with lifting function according to claim 1, characterized in that: The support frame (100) is provided with a vertical slide groove (103); The connecting plate (300) is provided with a sliding seat (301), and the sliding seat (301) is provided with a rolling bearing (3011) matching the vertical sliding groove (103), and the rolling bearing (3011) can slide vertically up and down in the vertical sliding groove (103).

4. The vehicle protection device with lifting function according to claim 3, characterized in that: There are two vertical slide grooves (103), and the two vertical slide grooves (103) are arranged on the support frame (100) opposite to each other; The sliding seat (301) is provided with the rolling bearing (3011) which corresponds to and matches the two vertical sliding grooves (103) one by one.

5. The vehicle protection device with lifting function according to claim 1, characterized in that: A caster (104) is provided at the bottom of the support frame (100), and the caster (104) is connected to the road wheel (201) of the vehicle body (200) via an anti-tilt adjustment rod (600).

6. The vehicle protection device with lifting function according to claim 1, characterized in that: The support frame (100) is provided with a push handle (105).

7. The vehicle protection device with lifting function according to any one of claims 1 to 6, characterized in that: A lifting assembly (700) for lifting the support frame (100) is provided at the bottom of the support frame (100); The lifting assembly (700) comprises a threaded rod (701) and a footrest (702); the bottom end thread of the threaded rod (701) penetrates the bottom of the support frame (100) and is rotatably connected to the footrest (702), and the top end of the threaded rod (701) is sleeved with a hand wheel (7011).

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