High-altitude vehicle stroke limiter and remote safety protection device

Abstract

The utility model discloses a high-altitude vehicle stroke limiter and a remote safety protection device, which comprise a vehicle frame positioning seat body used for being fixed to a high-altitude vehicle frame to serve as a synchronous lifting foundation; one side part of the limiting plate body is fixedly connected with the frame positioning seat body; the touch signal transmitter is fixedly connected and assembled to the limiting plate body; and the synchronous touch-press seat body is assembled on the limiting plate body in a sliding manner, and one side part of the synchronous touch-press seat body and the touch-press signal transmitter are correspondingly arranged through an elastic support by keeping a preset distance between the side part of the synchronous touch-press seat body and the touch-press signal transmitter. The technical problems that in the prior art, a high-altitude vehicle travel switch is poor in structural stability, low in travel limiting accuracy, difficult to flexibly adapt to different application scenes and single in overall functionality are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work platform travel limiters, and more specifically, to an aerial work platform travel limiter and a remote safety protection device. Background Art

[0002] Currently, for all types of aerial work platform equipment of major brands, also known as aerial work platform equipment, their factory settings generally only have a highest limit function. During the use of the equipment when it is raised for operation, due to misoperation by workers and mechanical equipment failures, when the top of the building or the working space within the highest limit travel protection is lower than the highest limit of the equipment, it is usually necessary to install an aerial work platform limiter for safety protection. The aerial work platform limiter can protect the staff from being squeezed and injured by adjusting a suitable safety space. The limit trigger principle of the aerial work platform limiter can be mechanical trigger or infrared trigger.

[0003] In the prior art, the aerial work platform limiter generally adopts a welded support base. Although it can meet the needs of users to a certain extent, there are still at least the following defects:

[0004] 1. Since the sizes of the guardrails installed on different vehicle models are different, the installation bayonet of the aerial work platform limiter cannot be adjusted according to actual requirements at any time, resulting in poor installation stability and low accuracy;

[0005] 2. The installation and fixing method cannot achieve non-destructive installation;

[0006] 3. In case of later damage, it can only be replaced as a whole, resulting in high maintenance costs. Summary of the Utility Model

[0007] Therefore, the utility model provides an aerial work platform travel limiter and a remote safety protection device to solve the technical problems in the prior art, such as poor structural stability of the aerial work platform limiter, low accuracy of travel limit, difficulty in flexibly adapting to different application scenarios, inability to achieve non-destructive installation, and high maintenance costs.

[0008] To achieve the above object, the utility model provides the following technical solutions:

[0009] An aerial work platform travel limiter, comprising:

[0010] A frame positioning seat body, which is used to be fixed to the aerial work platform frame as a synchronous lifting basis;

[0011] A limit plate body, with one side fixedly connected to the frame positioning seat body;

[0012] A touch signal transmitter, fixedly assembled on the limit plate body;

[0013] The synchronous touch pressure seat body is slidably assembled on the limiting plate body, and a predetermined distance is correspondingly maintained between one side of the synchronous touch pressure seat body and the touch pressure signal transmitter through elastic support.

[0014] On the basis of the above technical solution, the following further description is made for the present utility model:

[0015] As a further solution of the present utility model,

[0016] The vehicle frame positioning seat body includes a clamping groove-shaped plate and a limiting bolt;

[0017] The clamping groove-shaped plate is arranged as a groove steel plate with an opening facing one end;

[0018] The limiting bolt is detachably screwed and assembled at one end of the clamping groove-shaped plate corresponding to the opening;

[0019] The clamping groove-shaped plate and the limiting bolt are cooperatively positioned and installed on the high-altitude vehicle frame square tube as the basis for synchronous lifting.

[0020] As a further solution of the present utility model,

[0021] The limiting plate body is arranged as a U-shaped limiting plate body;

[0022] One side of the U-shaped limiting plate body is detachably fixedly connected and assembled with one side of the clamping groove-shaped plate through a bolt member.

[0023] As a further solution of the present utility model, it further includes:

[0024] A top contact transmission rod body is detachably fixedly connected and assembled with the synchronous touch pressure seat body.

[0025] As a further solution of the present utility model, it further includes:

[0026] A displacement sleeve body is detachably fixedly connected and assembled with the synchronous touch pressure seat body, and the displacement sleeve body is slidably penetrated through the U-shaped side parts of the U-shaped limiting plate body;

[0027] The top contact transmission rod body is detachably positioned and penetrated through the displacement sleeve body.

[0028] As a further solution of the present utility model,

[0029] The synchronous touch pressure seat body includes a sleeve limiting block and a knob positioning screw;

[0030] The sleeve limiting block is correspondingly sleeved on the outer peripheral side of the displacement sleeve body, and a predetermined distance is correspondingly maintained between one side of the sleeve limiting block and the touch pressure signal transmitter through elastic support;

[0031] The knob positioning screw is sequentially screwed through the sleeve limiting block and the displacement sleeve body, and the knob positioning screw is pressed against the top contact transmission rod body based on the displacement sleeve body.

[0032] As a further solution of the present utility model,

[0033] The synchronous touch pressure seat body further includes a synchronous touch pressure plate;

[0034] The synchronous touch pressure plate is fixedly arranged on one side of the sleeve limiting block, and the synchronous touch pressure plate and the U-shaped limiting plate body are relatively slidably arranged;

[0035] The touch pressure signal transmitter is fixedly assembled on the back side of the U-shaped limiting plate body, and the touch pressure signal transmitter has at least one signal touch pressure end, and the signal touch pressure end of the touch pressure signal transmitter faces away from one side of the clamping groove type plate;

[0036] A predetermined distance is correspondingly arranged between the synchronous touch pressure plate and the signal touch pressure end of the touch pressure signal transmitter through elastic action.

[0037] As a further solution of the present utility model, it further includes:

[0038] A support spring is sleeved on the outer peripheral side of the displacement sleeve body, and the two ends of the support spring are respectively supported between the sleeve limiting block and one side of the U-shaped limiting plate body close to the vehicle frame positioning seat body.

[0039] A remote safety protection device includes the aerial vehicle travel limiter described above.

[0040] As a further solution of the present utility model, it further includes:

[0041] A touch pressure signal receiver is wirelessly communicatively connected to the touch pressure signal transmitter, and the touch pressure signal receiver is electrically connected to the lifting drive mechanism of the aerial vehicle frame body through a control module. When the touch pressure signal transmitter is pressed to form a touch pressure signal, the touch pressure signal of the touch pressure signal transmitter can be remotely sent to the touch pressure signal receiver, and then the touch pressure signal receiver feeds back the touch pressure signal to the control module, and the control module issues an instruction to control the lifting drive mechanism to stop lifting.

[0042] The present utility model has the following beneficial effects:

[0043] The architecture and device can be effectively positioned and installed on the high-altitude vehicle frame through the vehicle frame positioning seat body as the basis for synchronous lifting. At the same time, it can effectively touch and detect the top limit object of the high-altitude vehicle frame by using the top-touch transmission rod body, and after being subjected to the top-touch limit pressure, it is synchronously transmitted to the displacement sleeve body and the synchronous touch pressure seat body in sequence, so that a touch pressure signal is formed between the synchronous touch pressure seat body and the touch pressure signal transmitter, thereby realizing the stroke limit of the aerial work platform. In addition, the synchronous touch pressure seat body can be automatically reset by means of the support spring, and a separable and assembled architecture can be formed, improving the sustainable utilization, application flexibility and functional practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present invention can cover.

[0045] Figure 1 It is an isometric structural schematic diagram of the aerial work platform stroke limiter provided by an embodiment of the present invention.

[0046] Figure 2 It is an application state structural schematic diagram of the aerial work platform stroke limiter and the remote safety protection device provided by an embodiment of the present invention.

[0047] In the drawings, the list of components represented by each reference numeral is as follows:

[0048] Vehicle frame positioning seat body 1: clamping groove-shaped plate 11, limit bolt 12;

[0049] U-shaped limit plate body 2; touch pressure signal transmitter 3; displacement sleeve body 4;

[0050] Synchronous touch pressure seat body 5: sleeve limit block 51, knob positioning screw 52, synchronous touch pressure plate 53;

[0051] Top-touch transmission rod body 6; support spring 7; touch pressure signal receiver 8. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0053] Terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear narration, rather than to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationships shall also be regarded as the scope of implementation of the present utility model when there is no substantial change in the technical content.

[0054] As Figures 1 to 2 shown, the embodiment of the present utility model provides an aerial work platform travel limiter and a remote safety protection device including the aerial work platform travel limiter. The aerial work platform travel limiter includes a frame positioning seat body 1, a U-shaped limiting plate body 2, a touch pressure signal transmitter 3, a displacement sleeve body 4, a synchronous touch pressure seat body 5, a top touch transmission rod body 6, and a support spring 7. It is used to effectively position and install on the aerial work platform frame through the frame positioning seat body 1 as the basis for synchronous lifting. At the same time, it can effectively touch and detect the top limit object of the aerial work platform frame by using the top touch transmission rod body 6, and after being subjected to the top touch limit pressure, it is synchronously transmitted to the displacement sleeve body 4 and the synchronous touch pressure seat body 5 in sequence, so that a touch pressure signal is formed between the synchronous touch pressure seat body 5 and the touch pressure signal transmitter 3, thereby realizing the travel limit of the aerial work platform. In addition, the support spring 7 can be used to make the synchronous touch pressure seat body 5 automatically return to its original position, improving the sustainable utilization and functional practicability. The specific settings are as follows:

[0055] Please refer to Figure 1 , the frame positioning seat body 1 includes a clamping groove-shaped plate 11 and a limiting bolt 12; wherein, the clamping groove-shaped plate 11 is set as a channel steel plate with an opening facing one end, and the limiting bolt 12 is detachably screwed and assembled at one end corresponding to the opening of the clamping groove-shaped plate 11, so as to be positioned and installed on the aerial work platform frame square tube through the cooperation of the clamping groove-shaped plate 11 and the limiting bolt 12 as the basis for synchronous lifting.

[0056] One side of the U-shaped limiting plate body 2 is detachably fixedly connected and assembled with one side of the clamping groove-shaped plate 11 through a bolt member, so as to make the clamping groove-shaped plate 11 form a separable assembly structure, and thus can effectively adapt to aerial work platform frame square tubes of different specifications, improving the application flexibility.

[0057] Please continue to refer to Figure 1, the touch signal transmitter 3 is fixedly assembled on the back side of the U-shaped limit plate body 2, and the touch signal transmitter 3 has at least one signal touch end, and the signal touch end of the touch signal transmitter 3 faces away from one side of the clamping groove plate 11.

[0058] The displacement sleeve body 4 is slidably penetrated through the two U-shaped sides of the U-shaped limit plate body 2, and the top contact transmission rod body 6 is detachably positioned and penetrated through the displacement sleeve body 4, so as to effectively use the top contact transmission rod body 6 as an extended top contact detection rod body of the aerial vehicle frame body, and can be synchronously transmitted to the displacement sleeve body 4 after being subjected to the top contact limit pressure. At the same time, the length of the top contact transmission rod body 6 can be flexibly selected and replaced.

[0059] Specifically, the synchronous touch seat body 5 includes a sleeve limiting block 51, a knob positioning screw 52 and a synchronous touch plate 53; wherein, the sleeve limiting block 51 is correspondingly sleeved on the outer peripheral side of the displacement sleeve body 4; the knob positioning screw 52 is sequentially screwed through the sleeve limiting block 51 and the displacement sleeve body 4, and the knob positioning screw 52 is pressed against the top contact transmission rod body 6 based on the displacement sleeve body 4, so as to enable the sleeve limiting block 51, the displacement sleeve body 4 and the top contact transmission rod body 6 to be detachably assembled and fixed by using the knob positioning screw 52, and can be displaced synchronously based on the U-shaped limit plate body 2 when the top contact transmission rod body 6 is subjected to the top contact limit pressure; the synchronous touch plate 53 is fixedly arranged on one side of the sleeve limiting block 51, and the synchronous touch plate 53 is slidably arranged relative to the U-shaped limit plate body 2, and a predetermined distance is correspondingly arranged between the synchronous touch plate 53 and the signal touch end of the touch signal transmitter 3, so as to enable the synchronous touch plate 53 to be displaced synchronously with the sleeve limiting block 51, and further enable a touch signal to be formed between the synchronous touch plate 53 and the signal touch end of the touch signal transmitter 3, thereby effectively realizing the stroke limit process of the aerial vehicle.

[0060] Please continue to refer to Figure 1 , the support spring 7 is sleeved on the outer peripheral side of the displacement sleeve body 4, and the two ends of the support spring 7 are respectively supported between the sleeve limiting block 51 and the side of the U-shaped limit plate body 2 close to the vehicle frame positioning seat body 1, so as to enable the synchronous touch seat body 5 to automatically return by means of the support spring 7, thereby improving the sustainable utilization and functional practicability.

[0061] Please refer to Figure 2, the remote security protection device further includes a touch pressure signal receiver 8, which is wirelessly communicatively connected to the touch pressure signal transmitter 3, and the touch pressure signal receiver 8 is electrically connected to the lifting drive mechanism of the aerial vehicle frame through a control module. When the touch pressure signal transmitter 3 is pressed to form a touch pressure signal, the touch pressure signal of the touch pressure signal transmitter 3 can be remotely sent to the touch pressure signal receiver 8, and then the touch pressure signal receiver 8 feeds back the touch pressure signal to the control module, and the control module issues an instruction to control the lifting drive mechanism to stop lifting. That's it.

[0062] Although the present invention has been described in detail with general descriptions and specific embodiments above, based on the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

Claims

1. An aerial work platform travel limiter, characterized in that, Comprising: A frame positioning seat body for being fixed to an aerial work platform frame as a basis for synchronous lifting; A limiting plate body, with one side fixedly connected to the frame positioning seat body; A touch pressure signal transmitter fixedly assembled on the limiting plate body; A synchronous touch pressure seat body slidably assembled on the limiting plate body, and a side of the synchronous touch pressure seat body and the touch pressure signal transmitter are arranged to maintain a predetermined distance corresponding to each other through elastic support.

2. The aerial work platform travel limiter according to claim 1, wherein The frame positioning seat body includes a clamping groove-shaped plate and a limiting bolt; The clamping groove-shaped plate is set as a channel steel plate with an opening facing one end; The limiting bolt is detachably screwed and assembled at one end of the clamping groove-shaped plate corresponding to the opening; The clamping groove-shaped plate and the limiting bolt are cooperatively positioned and installed on the square tube of the aerial work platform frame as a basis for synchronous lifting.

3. The aerial work platform travel limiter according to claim 2, wherein The limiting plate body is set as a U-shaped limiting plate body; One side of the U-shaped limiting plate body and one side of the clamping groove-shaped plate are detachably fixedly assembled and connected through a bolt.

4. The aerial work platform travel limiter according to claim 3, characterized in that, Further comprising: A top contact transmission rod body detachably fixedly assembled and connected to the synchronous touch pressure seat body.

5. The aerial work platform travel limiter according to claim 4, characterized in that, Further comprising: A displacement sleeve body detachably fixedly assembled and connected to the synchronous touch pressure seat body, and the displacement sleeve body is slidably penetrated through the two U-shaped sides of the U-shaped limiting plate body; The top contact transmission rod body is detachably positioned and penetrated through the displacement sleeve body.

6. The aerial work platform travel limiter according to claim 5, wherein The synchronous touch pressure seat body includes a sleeve limiting block and a knob positioning screw; The sleeve limiting block is correspondingly sleeved on the outer peripheral side of the displacement sleeve body, and a side of the sleeve limiting block and the touch pressure signal transmitter are arranged to maintain a predetermined distance corresponding to each other through elastic support; The knob positioning screw is sequentially screwed through the sleeve limiting block and the displacement sleeve body, and the knob positioning screw presses against the top contact transmission rod body based on the displacement sleeve body.

7. The aerial work platform travel limiter according to claim 6, wherein The synchronous touch pressure seat body further includes a synchronous touch pressure plate; The synchronous touch pressure plate is fixedly arranged on one side of the sleeve limiting block, and the synchronous touch pressure plate and the U-shaped limiting plate body are relatively slidable; The touch pressure signal transmitter is fixedly assembled on the back side of the U-shaped limiting plate body, and the touch pressure signal transmitter has at least one signal touch pressure end, and the signal touch pressure end of the touch pressure signal transmitter faces away from one side of the clamping groove-shaped plate; The synchronous touch pressure plate and the signal touch pressure end of the touch pressure signal transmitter are arranged to maintain a predetermined distance corresponding to each other through elastic action.

8. The aerial work platform travel limiter according to claim 7, characterized in that, Further comprising: A support spring sleeved on the outer peripheral side of the displacement sleeve body, and two ends of the support spring are respectively supported between the sleeve limiting block and one side of the U-shaped limiting plate body close to the frame positioning seat body.

9. A remote security protection device, characterized in that, Including the aerial work platform travel limiter according to any one of claims 1-8.

10. The remote security protection device according to claim 9, characterized in that, Further comprising: A touch pressure signal receiver is wirelessly communicatively connected to the touch pressure signal transmitter, and the touch pressure signal receiver is electrically connected to the lifting drive mechanism of the high-altitude vehicle frame through a control module. When the touch pressure signal transmitter is pressed to form a touch pressure signal, the touch pressure signal of the touch pressure signal transmitter can be remotely sent to the touch pressure signal receiver, and then the touch pressure signal receiver feeds back the touch pressure signal to the control module, and the control module issues an instruction to control the lifting drive mechanism to stop lifting.

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