Protective frame for high-altitude operation elevator

Abstract

The utility model discloses a protective frame for a high-altitude operation elevator, and particularly relates to the technical field of protective frames, the protective frame comprises a protective fence, the top of the protective fence is provided with a first extension mechanism for protecting workers with different heights, and the first extension mechanism comprises a first mounting groove formed in the protective fence; a fence is arranged in the first mounting groove, the top end of the fence penetrates through the protective fence and extends out of the top of the protective fence, a plurality of first threaded holes are formed in the four corners of the first mounting groove, and second threaded holes are formed in the four corners of the interior of the protective fence; and the interiors of the first threaded hole and the second threaded hole which communicate with each other are in threaded connection with the same first bolt. The first extension mechanism can adapt to workers of different heights, the use range is expanded, the safety of the workers is improved, the placing mechanism can be used for placing tools, the workers can conveniently take the tools, and the high-altitude operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective frames, in particular to a protective frame used for an aerial work lift. Background Art

[0002] A lift is a device used to lift people or objects. Lifts are mainly divided into rail type, articulated arm type and scissors type lifts. The scissor-type structure of the scissor-type lift makes the lifting platform have higher stability after lifting. The protective structure used by the scissor-type lift is the fence of the lifting platform. Most of the fences are welded from steel pipes. The fences are fixed to the lifting platform to protect the users.

[0003] For example, a protective bracket for an elevator provided in the Chinese patent application with application number 202220147385.4 includes an elevator and a flat plate installed on the top of the elevator, a baffle and a protective frame are arranged on the top of the flat plate, the bottom of the baffle is hinged to the front of the flat plate, the protective frame is installed on the upper surface of the flat plate, and symmetrically distributed fasteners are installed on the side of the baffle close to the protective frame, the baffle is clamped and fastened to the protective frame through the fasteners, and a No. 1 fixing plate is installed between the two fasteners. This technical solution facilitates the staff to directly enter the protective frame through the hinge connection between the baffle and the flat plate, and then flip the baffle up so that the baffle fits the protective frame, the fasteners are inserted into the opening of the protective frame, and the baffle is tightly connected to the protective frame through the threaded connection of the bolts and the protective frame, so as to play a protective role. The overall structure is simple, the operation is convenient, it has broad market prospects, and is conducive to promotion.

[0004] However, the following problem still exists in this technical solution: for workers of different heights, the protective frame in this technical solution cannot be appropriately adjusted according to the actual height of the workers, which reduces the safety of the workers and thus reduces the efficiency of high-altitude operations. Utility Model Content

[0005] The purpose of the utility model is to provide a protective frame for an aerial work lift, which can adapt to workers of different heights through a first extension mechanism, thereby expanding the scope of use of the utility model and increasing the safety of the workers. It can also be used to place tools through a placement mechanism, making it convenient for workers to take tools, thereby improving the efficiency of aerial work and solving the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective frame for an aerial work lift, comprising a guardrail, a first extension mechanism for protecting workers of different heights is provided on the top of the guardrail.

[0007] Preferably, the first extension mechanism includes a first mounting groove opened inside the guardrail, a fence is provided inside the first mounting groove, the top of the fence passes through the guardrail and extends out of the top of the guardrail, a plurality of first threaded holes are opened at the four corners of the first mounting groove, and a second threaded hole is opened at the four corners inside the guardrail, and the first threaded holes and the second threaded holes that are connected are threadedly connected with the same first bolt for protecting workers of different heights.

[0008] Preferably, a placement mechanism for placing aerial work tools is provided inside the guardrail, and the placement mechanism includes two first placement plates movably connected by hinge seats on both sides of the guardrail, a second mounting groove is provided at the bottom of the first placement plate, and a rotating shaft is movably connected to one end of the second mounting groove through a bearing, and bamboo-type telescopic rods are passed through both ends of the rotating shaft, and the bamboo-type telescopic rods can be retracted into the second mounting groove for placing tools.

[0009] Preferably, a second extension mechanism for placing multiple aerial work tools is provided inside the first placement plate, and the second extension mechanism includes a third installation groove opened inside the first placement plate, and second placement plates are inserted on both sides of the third installation groove, and the two sides of the second placement plates that are away from each other pass through the first placement plate and extend out of both sides of the first placement plate, and the ends of the two second placement plates that are away from each other are fixed with handles, and the sides of the two second placement plates that are away from each other are fixed with two limit plates, and a third threaded hole is opened on the limit plate, and two fourth threaded holes are opened on both sides of the first placement plate, and the third threaded hole and the fourth threaded hole that are connected are threadedly connected with the same second bolt.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] 1. Turn the first bolt to rotate it out from the first threaded hole and the second threaded hole, pull the fence to pull it out from the first installation groove, control the length of the fence pulled out from the first installation groove according to the height of the staff, and then rotate the first bolt into the first threaded hole and the second threaded hole to fix the fence. The first extension mechanism can adapt to staff of different heights, expand the scope of use of the utility model, and increase the safety of the staff;

[0012] 2. Rotate the first placement plate until it is parallel to the bottom end of the guardrail. Then the bamboo-jointed telescopic rod at the bottom of the first placement plate will be rotated out from the second installation groove, and the bottom end of the bamboo-jointed telescopic rod will contact the bottom end of the guardrail, so as to support the first placement plate. The first placement plate can be used to place tools, which is convenient for the staff to take the tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model after being supported by the first placement plate;

[0016] Figure 3 It is a structural schematic diagram of the first installation groove and the fence of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the first extension mechanism of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the utility model after the first placement plate is folded;

[0019] Figure 6 It is a cross-sectional view of the guardrail of the utility model;

[0020] Figure 7 It is a structural schematic diagram of the placement mechanism of the utility model;

[0021] Figure 8 It is a structural schematic diagram of the second extension mechanism of the utility model.

[0022] Description of reference numerals:

[0023] 1 guardrail;

[0024] 2 first extension mechanism, 201 first installation slot, 202 fence, 203 first threaded hole, 204 second threaded hole, 205 first bolt;

[0025] 3 placement mechanism, 301 first placement plate, 302 second installation slot, 303 rotating shaft, 304 bamboo-jointed telescopic rod;

[0026] 4 second extension mechanism, 401 third installation slot, 402 second placement plate, 403 handle, 404 limit plate, 405 third threaded hole, 406 fourth threaded hole, 407 second bolt. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model provides Figure 1-8 A protective frame for an aerial work lift shown in the figure comprises a guardrail 1, a first extension mechanism 2 for protecting workers of different heights is provided on the top of the guardrail 1, the first extension mechanism 2 comprises a first mounting groove 201 opened inside the guardrail 1, a fence 202 is provided inside the first mounting groove 201, the top of the fence 202 penetrates the guardrail 1 and extends out of the top of the guardrail 1, a plurality of first threaded holes 203 are provided at the four corners of the first mounting groove 201, a second threaded hole 204 is provided at the four corners inside the guardrail 1, and the first threaded holes 203 and the second threaded holes 204 connected to each other are threadedly connected to the same first bolt 205;

[0029] Rotate the first bolt 205 to rotate it out from the first threaded hole 203 and the second threaded hole 204, pull the fence 202 to pull it out from the first installation groove 201, control the length of the fence 202 pulled out from the first installation groove 201 according to the height of the staff, and then rotate the first bolt 205 into the first threaded hole 203 and the second threaded hole 204 to fix the fence 202. The first extension mechanism 2 can adapt to staff of different heights, expand the scope of use of the utility model, and increase the safety of the staff.

[0030] like Figure 6 , 7 As shown, a placement mechanism 3 for placing aerial work tools is provided inside the guardrail 1, and the placement mechanism 3 includes two first placement plates 301 movably connected by hinge seats on both sides of the guardrail 1, a second installation groove 302 is provided at the bottom of the first placement plate 301, and a rotating shaft 303 is movably connected to one end of the second installation groove 302 through a bearing, and bamboo-jointed telescopic rods 304 are penetrated at both ends of the rotating shaft 303, and the bamboo-jointed telescopic rod 304 can be retracted into the second installation groove 302;

[0031] Rotate the first placement plate 301 until it is parallel to the bottom end of the inner part of the guardrail 1, and then the bamboo-jointed telescopic rod 304 at the bottom of the first placement plate 301 will be rotated out from the second installation groove 302, and the bottom end of the bamboo-jointed telescopic rod 304 will contact the bottom end of the inner part of the guardrail 1, so as to support the first placement plate 301. The first placement plate 301 can be used to place tools, which is convenient for the staff to take the tools.

[0032] like Figure 8As shown, a second extension mechanism 4 for placing a plurality of aerial work tools is provided inside the first placement plate 301, and the second extension mechanism 4 includes a third installation groove 401 provided inside the first placement plate 301, and second placement plates 402 are inserted on both sides of the third installation groove 401, and the two sides of the second placement plates 402 that are away from each other penetrate the first placement plate 301 and extend out of both sides of the first placement plate 301, and a handle 403 is fixedly provided at one end of the two second placement plates 402 that are away from each other, and two limiting plates 404 are fixedly provided on the sides of the two second placement plates 402 that are away from each other, and a third threaded hole 405 is provided on the limiting plate 404, and two fourth threaded holes 406 are provided on both sides of the first placement plate 301, and the third threaded hole 405 and the fourth threaded hole 406 that are connected are internally threadedly connected with the same second bolt 407;

[0033] In order to be able to place more tools, rotate the second bolt 407 to turn the second bolt 407 out from the fourth threaded hole 406 and the third threaded hole 405, and then pull the handle 403 to use the handle 403 to pull the second placement plate 402 out from the first placement plate 301, thereby expanding the area of ​​the first placement plate 301, so that more tools can be placed, thereby expanding the scope of use of the utility model.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A protective frame for an aerial work lift, comprising a protective fence (1), characterized in that: A first extension mechanism (2) is provided on the top of the guardrail (1) for protecting workers of different heights; The first extension mechanism (2) comprises a first installation groove (201) provided inside the guardrail (1); a fence (202) is provided inside the first installation groove (201); the top of the fence (202) passes through the guardrail (1) and extends out of the top of the guardrail (1); a plurality of first threaded holes (203) are provided at four corners of the first installation groove (201); a second threaded hole (204) is provided at four corners inside the guardrail (1); and the first threaded holes (203) and the second threaded holes (204) that are connected are internally threadedly connected with the same first bolt (205).

2. A protective frame for an aerial work lift according to claim 1, characterized in that: The guardrail (1) is provided with a placement mechanism (3) for placing aerial work tools inside; The placement mechanism (3) comprises two first placement plates (301) movably connected to each other via hinge seats on both sides of the interior of the guardrail (1); a second installation groove (302) is provided at the bottom of the first placement plate (301); a rotating shaft (303) is movably connected to one end of the interior of the second installation groove (302) via a bearing; and bamboo-jointed telescopic rods (304) are provided at both ends of the rotating shaft (303).

3. A protective frame for an aerial work lift according to claim 2, characterized in that: The bamboo-jointed telescopic rod (304) can be retracted into the second installation groove (302).

4. A protective frame for an aerial work lift according to claim 2, characterized in that: A second extension mechanism (4) for placing a plurality of aerial work tools is provided inside the first placement plate (301); The second extension mechanism (4) comprises a third installation groove (401) provided inside the first placement plate (301), second placement plates (402) being inserted into both sides of the third installation groove (401), and the two sides of the second placement plates (402) which are away from each other both penetrate the first placement plate (301) and extend out of both sides of the first placement plate (301).

5. A protective frame for an aerial work lift according to claim 4, characterized in that: A handle (403) is fixedly provided at the ends of the two second placement plates (402) that are away from each other.

6. A protective frame for an aerial work lift according to claim 4, characterized in that: Two limiting plates (404) are fixedly provided on the side away from each other of the two second placement plates (402), and a third threaded hole (405) is provided on the limiting plate (404). Two fourth threaded holes (406) are provided on both sides of the first placement plate (301), and the third threaded hole (405) and the fourth threaded hole (406) are connected to each other and are internally threadedly connected with the same second bolt (407).

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