Anti-collision device for aerial work platform

Abstract

The utility model discloses an aerial work platform anti-collision device which comprises a mounting base, a telescopic rod, a limit switch and a spring, and the interior of the mounting base is hollow and forms a first space; the telescopic rod is arranged in the mounting base, the telescopic rod is arranged in the first direction and moves in the first direction, a pressing plate is arranged on the telescopic rod, the pressing plate protrudes out of the outer surface of the telescopic rod, and the pressing plate is perpendicular to the telescopic rod; the limiting switch is arranged on the outer side of the mounting seat and below the pressing plate, and the limiting switch is provided with a contact surface in contact with the pressing plate; the spring is arranged in the mounting base, one end of the spring abuts against the lower surface of the pressing plate, and the spring drives the pressing plate and the telescopic rod to move in the first direction. According to the utility model, the limit switch is adopted, a circuit can be disconnected when collision occurs, and meanwhile, the controller can detect a system loop in real time and limit the lifting action, so that collision and extrusion accidents are avoided. The spring is adopted, the pressing rod and the telescopic rod are reset in time to keep the working process, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work devices, in particular to an anti-collision device for an aerial work platform. Background Art

[0002] Aerial work platforms are products that serve various industries in aerial work, equipment installation, maintenance and other mobile aerial work. In the field of aerial work, aerial work platforms are a type of equipment for manned work at high altitudes, so the comfort and safety of the products are particularly important. However, due to the lack of experience of operators or insufficient estimation of the lifting height, aerial work platforms are prone to collision accidents when operating near areas with height restrictions. Utility Model Content

[0003] In view of this, an object of the present invention is to provide an anti-collision device for an aerial work platform.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An anti-collision device for an aerial work platform, comprising:

[0006] A mounting seat, wherein the interior of the mounting seat is hollow and forms a first space;

[0007] A telescopic rod, the telescopic rod is arranged in the mounting seat, the telescopic rod is arranged along a first direction and moves along the first direction, a pressing plate is provided on the telescopic rod and the pressing plate protrudes from the outer surface of the telescopic rod, and the pressing plate is perpendicular to the telescopic rod;

[0008] A limit switch, the limit switch is arranged on the outside of the mounting seat, the limit switch is arranged below the pressing plate, and the limit switch has a contact surface in contact with the pressing plate;

[0009] A spring is arranged in the mounting seat, one end of the spring is against the lower surface of the pressing plate, and the spring drives the pressing plate and the telescopic rod to move along the first direction.

[0010] The above-mentioned anti-collision device for aerial work platforms further includes: a guide device, which is sleeved on the outer surface of the telescopic rod and connected to the mounting seat.

[0011] The above-mentioned anti-collision device for aerial work platforms further includes: a limit switch mounting plate, wherein the limit switch mounting plate is arranged on the mounting seat, and the limit switch is fixed to the mounting seat through the limit switch mounting plate and bolts.

[0012] The above-mentioned anti-collision device for the aerial work platform further includes: a butterfly locking nut, which is arranged on the telescopic rod, the guide device and the mounting seat, and the butterfly locking nut fixes the relative positions of the telescopic rod, the guide sleeve and the mounting seat.

[0013] The above-mentioned anti-collision device for aerial work platforms further includes: a mounting base, the mounting base is connected to the mounting base, and the mounting base is arranged on a side of the mounting base opposite to the limit switch.

[0014] The above-mentioned anti-collision device for aerial work platforms further includes: a cover plate, which is arranged on the outside of the mounting seat and the guide sleeve, and the cover plate blocks the first space.

[0015] The above-mentioned anti-collision device for aerial work platform further includes: a controller, and the controller is respectively connected to the limit switch and the telescopic rod signal.

[0016] In the above-mentioned anti-collision device for aerial work platform, the limit switch comprises: four anti-collision switches, the four anti-collision switches are connected in series, and the controller is connected with the anti-collision switch signals.

[0017] The above-mentioned anti-collision device for the aerial work platform, wherein the mounting base is provided with a fixing groove, and the mounting base includes: a first plate, a second plate and a third plate, the first plate is connected to the mounting base, the second plate is perpendicular to the first plate and connected to the first plate, the third plate is perpendicular to the second plate and connected to the second plate; the first plate, the second plate and the third plate are combined to form a fixing groove, and the external guardrail railing is clamped in the fixing groove.

[0018] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0019] (1) The utility model adopts a limit switch, which will disconnect the circuit when encountering a collision. At the same time, the controller will detect the system circuit in real time and limit the lifting action to avoid collision and extrusion accidents.

[0020] (2) The utility model adopts a spring to reset the pressure rod and the telescopic rod in time to maintain the working process and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the cross section of the aerial work platform anti-collision device of the utility model.

[0022] In the attached drawings: 1. mounting seat; 11. guide device; 2. limit switch mounting plate; 3. limit switch; 4. pressure plate; 5. butterfly locking nut; 6. telescopic rod; 7. cover plate; 8. spring; 9. mounting base; 91. first plate; 92. second plate; 93. third plate; 94. fixing groove. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention. Figure 1 is a schematic diagram of a cross section of the anti-collision device for aerial work platforms of the utility model, see Figure 1 As shown, a preferred embodiment of an anti-collision device for an aerial work platform is shown, comprising: a mounting seat 1, a telescopic rod 6, a limit switch 3 and a spring 8, wherein the interior of the mounting seat 1 is hollow and forms a first space; the telescopic rod 6 is arranged in the mounting seat 1, the telescopic rod 6 is arranged along a first direction and moves along the first direction, a pressing plate 4 is provided on the telescopic rod 6 and the pressing plate 4 protrudes from the outer surface of the telescopic rod 6, and the pressing plate 4 is perpendicular to the telescopic rod 6; the limit switch 3 is arranged on the outer side of the mounting seat 1, the limit switch 3 is arranged below the pressing plate 4, and the limit switch 3 has a contact surface in contact with the pressing plate 4; the spring 8 is arranged in the mounting seat 1, one end of the spring 8 is against the lower surface of the pressing plate 4, and the spring 8 drives the pressing plate 4 and the telescopic rod 6 to move along the first direction.

[0024] In a preferred embodiment, it further comprises: a guide device 11 , which is sleeved on the outer surface of the telescopic rod 6 and connected to the mounting seat 1 .

[0025] In a preferred embodiment, it further comprises: a limit switch mounting plate 2, the limit switch mounting plate 2 is arranged on the mounting seat 1, and the limit switch 3 is fixed on the mounting seat 1 through the limit switch mounting plate 2 and bolts.

[0026] In a preferred embodiment, it also includes: a butterfly locking nut 5, which is arranged on the telescopic rod 6, the guide device 11 and the mounting seat 1, and the butterfly locking nut 5 fixes the relative positions of the telescopic rod 6, the guide device 11 and the mounting seat 1.

[0027] In a preferred embodiment, it further comprises: a mounting base 9 , which is connected to the mounting base 1 , and is arranged on a side of the mounting base 1 opposite to the limit switch 3 .

[0028] In a preferred embodiment, it further comprises: a cover plate 7, which is arranged on the outer sides of the mounting seat 1 and the guide device 11, and the cover plate 7 blocks the first space.

[0029] In a preferred embodiment, it further comprises: a controller, which is respectively connected to the limit switch 3 and the telescopic rod 6 by signals.

[0030] In a preferred embodiment, the limit switch 3 includes: four anti-collision switches, the four anti-collision switches are connected in series, and the controller is connected to the anti-collision switch signals.

[0031] In a preferred embodiment, the mounting base 9 is provided with a fixing groove 94, and the mounting base 9 includes: a first plate 91, a second plate 92 and a third plate 93, the first plate 91 is connected to the mounting base 1, the second plate 92 is perpendicular to the first plate 91 and connected to the first plate 91, and the third plate 93 is perpendicular to the second plate 92 and connected to the second plate 92; the first plate 91, the second plate 92 and the third plate 93 are combined to form a fixing groove 94, and the external guardrail railing is clamped in the fixing groove 94.

[0032] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0033] The utility model also has the following implementation methods based on the above:

[0034] In a further embodiment of the utility model, during the ascent of the aerial work platform, if the telescopic rod 6 on the anti-collision detection device hits an obstacle, it will be compressed and sink, driving the pressure plate 4 to press down and trigger the limit switch 3. After the travel limit switch 3 is triggered, a short circuit is formed inside, causing the detection circuit to be disconnected. When there is no voltage at the port of the controller unit, the lifting action is restricted to avoid collision and extrusion accidents; when the platform descends and the telescopic rod does not touch the obstacle, the spring 8 in the anti-collision detection device will lift the pressure plate 4 and the telescopic rod 6, and the limit switch 3 is reset. When the controller unit detection circuit resumes the access state, the equipment can operate normally.

[0035] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-collision device for an aerial work platform, characterized in that: include: A mounting seat, wherein the interior of the mounting seat is hollow and forms a first space; A telescopic rod, the telescopic rod is arranged in the mounting seat, the telescopic rod is arranged along a first direction and moves along the first direction, a pressing plate is provided on the telescopic rod and the pressing plate protrudes from the outer surface of the telescopic rod, and the pressing plate is perpendicular to the telescopic rod; A limit switch, the limit switch is arranged on the outside of the mounting seat, the limit switch is arranged below the pressing plate, and the limit switch has a contact surface in contact with the pressing plate; A spring is arranged in the mounting seat, one end of the spring is against the lower surface of the pressing plate, and the spring drives the pressing plate and the telescopic rod to move along the first direction.

2. The anti-collision device for aerial work platforms according to claim 1, characterized in that: Also includes: A guide device is sleeved on the outer surface of the telescopic rod and connected to the mounting seat.

3. The anti-collision device for aerial work platforms according to claim 1, characterized in that: Also includes: A limit switch mounting plate is arranged on the mounting seat, and the limit switch is fixed on the mounting seat through the limit switch mounting plate and bolts.

4. The anti-collision device for aerial work platforms according to claim 2, characterized in that: Also includes: A butterfly locking nut is arranged on the telescopic rod, the guide device and the mounting seat, and the butterfly locking nut fixes the relative positions of the telescopic rod, the guide device and the mounting seat.

5. The anti-collision device for aerial work platforms according to claim 1, characterized in that: Also includes: The mounting base is connected to the mounting base and is arranged on a side of the mounting base opposite to the limit switch.

6. The anti-collision device for aerial work platforms according to claim 2, characterized in that: Also includes: A cover plate is arranged on the outer sides of the mounting seat and the guide device, and the cover plate blocks the first space.

7. The anti-collision device for aerial work platforms according to claim 1, characterized in that: Also includes: A controller is respectively connected to the limit switch and the telescopic rod by signals.

8. The anti-collision device for aerial work platforms according to claim 7, characterized in that: The limit switch comprises: four anti-collision switches, the four anti-collision switches are connected in series, and the controller is connected with the anti-collision switch signals.

9. The anti-collision device for aerial work platforms according to claim 5, characterized in that: The mounting base is provided with a fixing groove, and the mounting base includes: a first plate, a second plate and a third plate, the first plate is connected to the mounting base, the second plate is perpendicular to the first plate and connected to the first plate, and the third plate is perpendicular to the second plate and connected to the second plate; the first plate, the second plate and the third plate are combined to form a fixing groove, and the external guardrail railing is clamped in the fixing groove.

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