Movable and detachable workbench ladder based on narrow space

Abstract

The utility model relates to the technical field of tables and ladders, in particular to a movable and detachable workbench ladder based on narrow space, which comprises a first table top, a second table top, a third table top and a fourth table top are sequentially arranged at the top of the first table top, and inserting grooves are formed in the tops of the first table top, the second table top and the third table top; through the arrangement of the inserting groove, the positioning rod and the limiting rod, during use, the positioning rod is inserted into the inserting groove, the limiting rod is inserted through the limiting hole, the limiting rod drives the sliding block to be inserted into the connecting groove, and the sliding block penetrates through the connecting groove to reach the arc-shaped groove; the sliding blocks are rotated by a certain angle, so that the sliding blocks are limited in the arc-shaped grooves, the second table top, the third table top and the fourth table top are sequentially and stably installed, on the contrary, the limiting rods are detached, the second table top, the third table top and the fourth table top can be sequentially detached, and the effect of stably detaching the device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of platform ladder, specifically relates to a movable dismounting work platform ladder based on narrow space. BACKGROUND

[0002] In the platform ladder technical field, work platform ladder as a kind of common auxiliary tool, is widely used in various construction, maintenance and installation operation, with the acceleration of industrialization process and the diversification of operating environment, the design of work platform ladder gradually towards the direction of multi-functional, high adaptability and portability, especially in narrow space operating environment, traditional work platform ladder is often difficult to adapt due to bulky, complex structure, and it brings great inconvenience to operation.

[0003] In recent years, for the demand of narrow space operation, there are various improved work platform ladders on the market, these work platform ladders are optimized in structure, such as adopting folding design, telescopic adjustment etc., to reduce the volume and improve space utilization, however, the design of part of platform ladder is relatively simple in assembly, it is difficult to realize the quick disassembly and fixation of platform ladder, leading to poor use effect of device, so the staff needs to improve it. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a movable dismounting work platform ladder based on narrow space to solve the problem that it is difficult to realize the quick disassembly and fixation of platform ladder in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A movable dismounting work platform ladder based on narrow space, comprising:

[0007] First table board;

[0008] The top of the first table board is sequentially provided with second table board, third table board and fourth table board, the top of the first table board, second table board and third table board is all provided with inserting groove, the bottom of the second table board, third table board and fourth table board is all fixedly connected with first support column, the surface of the first support column is fixedly connected with first reinforcing rod, the bottom end of the first support column is fixedly connected with positioning rod, and the surface of the positioning rod is inserted into the inner wall of inserting groove;

[0009] Two limiting holes are formed in two sides of the first table board, the second table board and the third table board, and the limiting holes and the inserting grooves are mutually penetrated, a connecting groove is formed in the inner wall of the limiting hole, an arc-shaped groove is formed in the inner wall of the limiting hole close to the connecting groove, a limiting rod is inserted into the inner wall of the limiting hole, one end of the limiting rod is fixedly connected with a sliding block, the surface of the sliding block is slidably connected to the inner wall of the connecting groove and the arc-shaped groove, a connecting hole is formed in the surface of the limiting rod, and the inner wall of the connecting hole is sleeved with the surface of the limiting rod.

[0010] Preferably, damping rotating shafts are rotatably connected to the inner walls of the second table board, the third table board and the fourth table board around the periphery thereof, steel cables are woundly connected to the surfaces of the winding rods, and limiting rings are fixedly connected to the bottom ends of the steel cables.

[0011] Preferably, mounting holes are formed in the top portions of the first table board, the second table board and the third table board around the periphery thereof, hooks are fixedly connected to the inner walls of the mounting holes, and the surfaces of the hooks are inserted into the inner walls of the limiting rings.

[0012] Preferably, universal wheels are fixedly connected to the top portions of the first table board around the periphery thereof, second supporting columns are fixedly connected to the bottom portions of the first table board around the periphery thereof, and a plurality of second reinforcing columns are fixedly connected to the surfaces of the second supporting columns.

[0013] Preferably, mounting clamping frames are fixedly connected to the top portions of the fourth table board on two sides thereof, and handrails are rotatably connected to the inner walls of the mounting clamping frames.

[0014] Preferably, mounting blocks are fixedly connected to the top portions of the mounting clamping frames on two sides thereof, clamping grooves are formed in the surfaces of the mounting blocks, blocking rods are inserted into the inner walls of the clamping grooves on two sides of the handrails, extrusion springs are connected to the tail ends of the blocking rods, and the surfaces of the extrusion springs are inserted into the inner walls of the handrails.

[0015] Preferably, the bottom portion of the limiting rod is sleeved with a detachable anti-skid foot sleeve.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] (1) Through the setting of the first table top, the second table top, the third table top, the fourth table top, the plug-in slot, the first supporting column, the first reinforcing rod, the positioning rod and the limiting rod, when in use, the first supporting column is arranged at the bottom of the second table top, the third table top and the fourth table top, a plurality of first reinforcing rods are arranged on the surface of the four first supporting columns, the positioning rod is inserted into the plug-in slot, the limiting rod is inserted through the limiting hole, the limiting rod drives the sliding block to be inserted into the connecting slot and reaches the arc-shaped slot after passing through the connecting slot, after the limiting rod is inserted into the connecting hole in the surface of the positioning rod, the sliding block is rotated by a certain angle, so that the sliding block is limited in the arc-shaped slot, thereby the second table top, the third table top and the fourth table top are sequentially and stably installed, conversely, the limiting rod is disassembled, the second table top, the third table top and the fourth table top can be sequentially disassembled, so that the device is stably disassembled and fixed, and can be disassembled and assembled manually, which is relatively convenient, and different heights can be assembled according to different situations, and the height is designed for different narrow spaces.

[0018] (2) Through the setting of the winding rod, the steel cable, the limiting ring, the hook, the universal wheel, the handrail and the blocking rod, when in use, the steel cable is arranged by being wound by the winding rod on the inner walls of the second table top, the third table top and the fourth table top, so that the steel cable is convenient to pull out and wind, the limiting ring at the bottom end of the steel cable is hung on the surface of the hook by pulling the steel cable, and when the steel cable is hung on the surface of the hook, the steel cable can only be kept in a slight movable state, so that the stability of the table top installation is ensured, and after the steel cable is disassembled from the hook, the steel cable is recovered by the damping rotating shaft, after the first table top, the second table top, the third table top and the fourth table top are disassembled, the first table top, the second table top, the third table top and the fourth table top are sequentially turned over, the first table top is placed at the bottom, the second table top, the third table top and the fourth table top are sequentially placed into the first table top, and the device is integrally carried by the universal wheel, so that the device is stably supported and stacked and transported. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is an unfolded perspective view of the utility model;

[0021] Figure 3 It is a folded perspective view of the utility model;

[0022] Figure 4 It is a perspective view of the handrail of the utility model;

[0023] Figure 5 It is a perspective view of the limiting rod of the utility model;

[0024] Figure 6 It is a perspective view of the anti-skid foot cover of the utility model;

[0025] In the figure: 1, the first table; 2, the second table; 3, the third table; 4, the fourth table; 5, the plug-in slot; 6, the first support column; 7, the first reinforcing rod; 8, the positioning rod; 9, the limiting hole; 10, the connecting groove; 11, the arc-shaped groove; 12, the limiting rod; 13, the sliding block; 14, the connecting hole; 15, the winding rod; 16, the steel cable; 17, the limiting ring; 18, the mounting hole; 19, the hook; 20, the universal wheel; 21, the second support column; 22, the second reinforcing column; 23, the mounting clamping frame; 24, the handrail; 25, the mounting block; 26, the blocking rod; 27, the extrusion spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0027] Embodiment one:

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 , a movable and detachable workbench ladder based on narrow space, comprising:

[0029] The first table 1;

[0030] The top of the first table 1 is sequentially provided with the second table 2, the third table 3 and the fourth table 4, and the first table 1 is used as a base support, and the second table 2, the third table 3 and the fourth table 4 are sequentially arranged above the first table 1, the top of the first table 1, the second table 2 and the third table 3 is provided with the plug-in slot 5, the bottom of the second table 2, the third table 3 and the fourth table 4 is fixedly connected with the first support column 6 around, the surface of the first support column 6 is fixedly connected with the first reinforcing rod 7, and the surface of the first support column 6 is provided with a plurality of first reinforcing rods 7, so as to ensure the stable support of the table, the bottom end of the first support column 6 is fixedly connected with the positioning rod 8, and the surface of the positioning rod 8 is inserted into the inner wall of the plug-in slot 5;

[0031] Two limiting holes 9 are arranged on two sides of the first table board 1, the second table board 2 and the third table board 3, and the limiting holes 9 and the inserting grooves 5 are mutually penetrated, a connecting groove 10 is arranged on the inner wall of the limiting hole 9, an arc-shaped groove 11 is arranged on the inner wall of the limiting hole 9 close to the connecting groove 10, a limiting rod 12 is inserted into the inner wall of the limiting hole 9, one end of the limiting rod 12 is fixedly connected with a sliding block 13, the surface of the sliding block 13 is slidingly connected to the inner wall of the connecting groove 10 and the arc-shaped groove 11, a connecting hole 14 is arranged on the surface of the positioning rod 8, the inner wall of the connecting hole 14 is sleeved with the surface of the limiting rod 12, the positioning rod 8 is inserted into the inside of the inserting groove 5, the limiting rod 12 is inserted into the limiting hole 9, the limiting rod 12 drives the sliding block 13 to be inserted into the connecting groove 10, and after passing through the connecting groove 10, the limiting rod 12 reaches the arc-shaped groove 11, after the limiting rod 12 is inserted into the connecting hole 14 on the surface of the positioning rod 8, the sliding block 13 is rotated by a certain angle, so that the sliding block 13 is limited in the arc-shaped groove 11, thereby the second table board 2, the third table board 3 and the fourth table board 4 are sequentially and stably installed, and conversely, the limiting rod 12 is disassembled, so that the second table board 2, the third table board 3 and the fourth table board 4 can be sequentially disassembled.

[0032] Example two:

[0033] See Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, the inner wall of the second table 2, the third table 3 and the fourth table 4 is rotatably connected with a winding rod 15 through a damping shaft, the surface of the winding rod 15 is connected with a steel cable 16, the steel cable 16 is arranged by winding the winding rod 15, so that the steel cable 16 is convenient to pull out and roll up, the bottom end of the steel cable 16 is fixedly connected with a limiting ring 17, the top of the first table 1, the second table 2 and the third table 3 is provided with a mounting hole 18, the inner wall of the mounting hole 18 is fixedly connected with a hook 19, and the surface of the hook 19 is inserted into the inner wall of the limiting ring 17, by pulling the steel cable 16, the limiting ring 17 at the bottom end of the steel cable 16 is hung on the surface of the hook 19, and when the length of the steel cable 16 is hung on the surface of the hook 19, the steel cable 16 can only keep a slight activity state, so as to ensure the stability of the table installation, and after the steel cable 16 is detached from the hook 19, the steel cable 16 is recovered through the damping shaft, the top of the first table 1 is fixedly connected with a universal wheel 20, after the first table 1, the second table 2, the third table 3 and the fourth table 4 are detached, the first table 1, the second table 2, the third table 3 and the fourth table 4 are turned over in turn, the first table 1 is placed at the bottom, supported by the universal wheel 20, the second table 2, the third table 3 and the fourth table 4 are placed in the first table 1 in turn, and the whole device is carried through the universal wheel 20, the bottom of the first table 1 is fixedly connected with a second supporting column 21, the surface of the second supporting column 21 is fixedly connected with a plurality of second reinforcing columns 22, the second supporting column 21 and the second reinforcing column 22 provide stable support, and after the first table 1 is turned over, the other tables and structures inside are placed, the top of the fourth table 4 is fixedly connected with a mounting clamp frame 23 on both sides, the inner wall of the mounting clamp frame 23 is rotatably connected with a handrail 24, the handrail 24 is convenient for protecting the staff on the top layer, the top of the mounting clamp frame 23 is fixedly connected with a mounting block 25 on both sides, the surface of the mounting block 25 is provided with a clamping groove, the two sides of the handrail 24 are inserted with a blocking rod 26, the surface of the blocking rod 26 is inserted into the inner wall of the clamping groove, the tail end of the blocking rod 26 is connected with an extrusion spring 27, and the surface of the extrusion spring 27 is inserted into the inner wall of the handrail 24, the staff pushes the blocking rod 26 into the handrail 24, so that the blocking rod 26 is convenient to move into the mounting block 25 with the handrail 24, when the blocking rod 26 reaches the clamping groove position on one side of the mounting block 25, the extrusion spring 27 pops out the blocking rod 26, so that the blocking rod 26 is inserted into the clamping groove, so as to fix and fold the handrail 24, the bottom of the positioning rod 8 is sleeved with a detachable anti-skid foot sleeve, when the height of the narrow space is limited, two to three tables are selected from the second table 2, the third table 3 and the fourth table 4, the positioning rod 8 at the bottom of the lowermost table is sleeved with the anti-skid foot sleeve, and then the tables are installed in turn, so that they are convenient to use at different heights.

[0034] The length and width of the first table top 1 is 140cm*50cm, the length and width of the second table top 2 is 110cm*45cm, the length and width of the third table top 3 is 80cm*40cm, the length and width of the fourth table top 4 is 50cm*35cm, and the height of the first support column 6 and the second support column 21 is 60cm, so that the workers can work on the ladder in a relatively narrow space, and the device can be disassembled and carried, and has the effects of small size, small occupied area and strong stability.

[0035] Example three:

[0036] Please refer to Figures 1 to 5 In a narrow space, such as a warehouse, a machine room or a maintenance site, a workbench ladder that can be quickly assembled and disassembled is needed to allow workers to work at a high place.

[0037] The worker places the first table top 1 on the ground as the base.

[0038] The second table top 2, the third table top 3 and the fourth table top 4 are placed on the top of the first table top 1 in turn, and are preliminarily fixed through the insertion slot 5 and the positioning rod 8.

[0039] The limiting rod 12 is inserted through the limiting hole 9, and the sliding block 13 is inserted into the connecting slot 10, and after reaching the arc-shaped slot 11, the limiting rod 12 is inserted into the connecting hole 14 on the surface of the positioning rod 8, and the sliding block 13 is rotated to a certain angle, so that it is limited in the arc-shaped slot 11, thereby stably installing each table top.

[0040] Through the setting of the winding rod 15 and the steel cable 16, the limiting ring 17 at the bottom end of the steel cable 16 is hung on the hook 19, thereby enhancing the stability of the table top.

[0041] After the work is completed, the table tops are disassembled in turn by disassembling the limiting rod 12.

[0042] The table tops are turned over and stacked, and the universal wheel 20 on the first table top 1 is used for overall carrying and storage.

[0043] The size design of each table top takes into account the work requirements in a narrow space, so that the entire workbench ladder can not only adapt to a narrow space, but also meet the requirements of different heights of the table top.

[0044] Working principle: when using, four insertion slots 5 are arranged on the top of the first table top 1, the second table top 2 and the third table top 3, first support columns 6 are arranged around the bottom of the second table top 2, the third table top 3 and the fourth table top 4, a plurality of first reinforcing rods 7 are arranged on the surface of the four first support columns 6, thereby ensuring the stable support of the table top, the positioning rod 8 is inserted into the insertion slot 5, the limiting rod 12 is inserted through the limiting hole 9, the sliding block 13 is inserted into the connecting slot 10 under the driving of the limiting rod 12, and reaches the arc-shaped slot 11 after passing through the connecting slot 10, after the limiting rod 12 is inserted into the connecting hole 14 on the surface of the positioning rod 8, the sliding block 13 is rotated by a certain angle, so that the sliding block 13 is limited in the arc-shaped slot 11, thereby stably installing the second table top 2, the third table top 3 and the fourth table top 4 in turn, and vice versa, the limiting rod 12 is disassembled, so that the second table top 2, the third table top 3 and the fourth table top 4 can be disassembled in turn, the steel cable 16 is wound by the winding rod 15, so that the steel cable 16 is convenient to pull out and wind, the limiting ring 17 at the bottom end of the steel cable 16 is hung on the surface of the hook 19 by pulling the steel cable 16, and the length of the steel cable 16 can only be kept in a slight active state when being hung on the surface of the hook 19, thereby ensuring the stability of the table top installation, and after the steel cable 16 is disassembled from the hook 19, the steel cable 16 is recovered by the damping rotating shaft, after the first table top 1, the second table top 2, the third table top 3 and the fourth table top 4 are disassembled, the first table top 1, the second table top 2, the third table top 3 and the fourth table top 4 are turned over in turn, the first table top 1 is placed at the bottom, the second table top 2, the third table top 3 and the fourth table top 4 are placed in the first table top 1 in turn, the device is carried as a whole by the universal wheel 20, and the second support column 21 is arranged around the bottom of the first table top 1, and the second reinforcing column 22 is arranged on the surface of the second support column 21, thereby providing stable support, and after the first table top 1 is turned over, the other table top and the structure are placed inside.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A portable dismountable work platform ladder based on narrow space, characterized in that, Include: First mesa (1); The top of the first mesa (1) is sequentially provided with a second mesa (2), a third mesa (3) and a fourth mesa (4), the top of the first mesa (1), the second mesa (2) and the third mesa (3) are provided with a plug-in slot (5), the bottom of the second mesa (2), the third mesa (3) and the fourth mesa (4) is fixedly connected with a first support column (6), the surface of the first support column (6) is fixedly connected with a first reinforcing rod (7), the bottom end of the first support column (6) is fixedly connected with a positioning rod (8), and the surface of the positioning rod (8) is inserted into the inner wall of the plug-in slot (5). The two sides of the first mesa (1), the second mesa (2) and the third mesa (3) are provided with two limiting holes (9), and the limiting hole (9) and the plug-in slot (5) are mutually penetrated, the inner wall of the limiting hole (9) is provided with a connecting groove (10), the inner wall of the limiting hole (9) is provided with an arc-shaped groove (11) on the side close to the connecting groove (10), the inner wall of the limiting hole (9) is inserted with a limiting rod (12), one end of the limiting rod (12) is fixedly connected with a sliding block (13), and the surface of the sliding block (13) is slidingly connected to the inner wall of the connecting groove (10) and the arc-shaped groove (11), the surface of the positioning rod (8) is provided with a connecting hole (14), and the inner wall of the connecting hole (14) is sleeved on the surface of the limiting rod (12).

2. The portable dismountable worktable ladder based on narrow space according to claim 1, characterized in that: The inner wall of the second mesa (2), the third mesa (3) and the fourth mesa (4) is rotatably connected with a winding rod (15) through a damping rotating shaft, the surface of the winding rod (15) is wound with a steel cable (16), and the bottom end of the steel cable (16) is fixedly connected with a limiting ring (17).

3. The portable dismountable worktable ladder based on narrow space according to claim 1, characterized in that: The top of the first mesa (1), the second mesa (2) and the third mesa (3) is provided with a mounting hole (18) around, the inner wall of the mounting hole (18) is fixedly connected with a hook (19), and the surface of the hook (19) is inserted into the inner wall of the limiting ring (17).

4. The portable dismountable worktable ladder based on narrow space according to claim 1, characterized in that: The top of the first mesa (1) is fixedly connected with a universal wheel (20) around, the bottom of the first mesa (1) is fixedly connected with a second support column (21) around, and the surface of the second support column (21) is fixedly connected with a plurality of second reinforcing columns (22).

5. The portable dismountable worktable ladder based on narrow space according to claim 1, characterized in that: The top of the fourth mesa (4) is fixedly connected with a mounting clamp frame (23) on both sides, and the inner wall of the mounting clamp frame (23) is rotatably connected with a handrail (24).

6. A portable dismountable worktable ladder based on narrow space according to claim 5, characterized in that: The top of the mounting clamp frame (23) is fixedly connected with a mounting block (25) on both sides, the surface of the mounting block (25) is provided with a clamping groove, the two sides of the handrail (24) are inserted with a blocking rod (26), and the surface of the blocking rod (26) is inserted into the inner wall of the clamping groove, the tail end of the blocking rod (26) is connected with an extrusion spring (27), and the surface of the extrusion spring (27) is inserted into the inner wall of the handrail (24).

7. The portable dismountable worktable ladder based on narrow space according to claim 1, characterized in that: The bottom of the positioning rod (8) is sleeved with a detachable anti-skid foot sleeve.

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