A kind of electric insulation lifting ladder

Abstract

The utility model discloses an electric insulating lifting ladder, comprising a ladder body, an auxiliary ladder body and a lifting assembly, wherein a main cross bar is installed in an upper inner cavity of the ladder body, a protective rope is installed between two ladder bodies, the upper end of the ladder body is connected to the auxiliary ladder body, the top ends of the two auxiliary ladder bodies are hinged by hinges, a hollow cross bar used in conjunction with the main cross bar is installed in the lower inner cavity of the auxiliary ladder body, an auxiliary fixing assembly is installed at the bottom end of the ladder body, and the ladder body and the auxiliary ladder body are connected by the lifting assembly; the utility model solves the problem that during use of the maintenance ladder in the prior art, although the stability of the body can be improved and the burden of electricians can be reduced, the maintenance ladder does not have a height adjustment function, and the height of the maintenance ladder cannot be adjusted according to actual use requirements during use, thereby reducing the application range of the maintenance ladder.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting combined elevators, in particular to an electric insulating lifting combined elevator. Background Art

[0002] The insulated ladder is a special climbing tool that can be used in power supply engineering, telecommunication engineering, electrical engineering, hydropower engineering, etc., and has been widely used in these fields.

[0003] After investigation, the public (announcement) number is: CN209838261 A new type of electric maintenance ladder disclosed in U, this technology discloses "including a folding plate, two ends of the folding plate are hinged with a frame, the frame is welded with a climbing rod, the climbing rod is sleeved with a leaning plate, one side of the leaning plate is installed with a strap, the bayonet end of the strap is adapted to the size and shape of the end of the leaning plate, and the other side of the leaning plate is installed with a rubber diaphragm; the inner cavity of the frame is provided with a chain transmission mechanism, the chain transmission mechanism is provided with a pedal, and the pedal shaft of the pedal is connected with an insert block, and the chain transmission mechanism is also provided with a hook block, the hook block passes through the gap hole on the frame and is exposed to the outside of the frame, and the pedal can be stepped on to drive the driving sprocket to rotate through the remote rod, and the driving sprocket cooperates with the driven sprocket to drive the chain to rotate, and the hook block on the chain will follow the chain movement along the gap hole to transport the mounted tool bag to a suitable height, and then the insert block on the pedal shaft is inserted into the groove on the slot block to play a fixing role, which greatly reduces the burden on electricians".

[0004] However, the above-mentioned new type of electric maintenance ladder has the following disadvantages:

[0005] 1. Although the maintenance ladder in the patent can improve the stability of the body and reduce the burden on electricians during use, the maintenance ladder does not have a height adjustment function. When in use, the height of the maintenance ladder cannot be adjusted according to actual use needs, which reduces the scope of application of the maintenance ladder.

[0006] In order to solve the above problems, this application proposes an electric insulating lifting elevator. Utility Model Content

[0007] In view of the problems in the related technology, the utility model provides an electric insulating lifting ladder, which can conveniently adjust the height of the ladder according to actual use requirements, thereby improving the application scope of the ladder.

[0008] To this end, the specific technical solutions adopted by the utility model are as follows:

[0009] An electric insulating lifting ladder comprises a ladder body, an auxiliary ladder body and a lifting assembly, wherein a main crossbar is installed in the upper inner cavity of the ladder body, the upper end of the ladder body is connected to the auxiliary ladder body, a hollow crossbar used in conjunction with the main crossbar is installed in the lower inner cavity of the auxiliary ladder body, an auxiliary fixing assembly is installed at the bottom end of the ladder body, and the ladder body and the auxiliary ladder body are connected via the lifting assembly;

[0010] The lifting assembly includes an adjusting slide groove, which is arranged at the upper end of the combined ladder body, a positioning hole is arranged in the adjusting slide groove, a slide seat is slidably connected in the adjusting slide groove, the slide seat is fixedly installed in the inner cavity of the vertical rod of the auxiliary ladder body, a limiting hole used in conjunction with the positioning hole is arranged on the side wall of the vertical rod, and the limiting hole passes through the slide seat, the combined ladder body is installed with the auxiliary ladder body after the adjusting screw passes through the limiting hole and the positioning hole in sequence, and a butterfly nut is installed on the adjusting screw.

[0011] As a further solution of the utility model, the top ends of the two auxiliary ladder bodies are hinged by hinges.

[0012] As a further solution of the utility model, a protective rope is installed between the two ladder bodies.

[0013] As a further solution of the utility model, the auxiliary fixing assembly includes a base, which is fixedly installed at the bottom end of the side rod of the ladder body, a movable slide groove is opened in the inner cavity of the base, and an auxiliary seat is slidably connected in the movable slide groove, and a fixing ring is installed at the connection between the two auxiliary seats.

[0014] As a further solution of the utility model, a slide bar used in conjunction with the movable slide groove is installed on the side wall of the auxiliary seat.

[0015] As a further solution of the utility model, a fixed limit block is fixedly installed on one end of the auxiliary seat, and an auxiliary limit block is installed on the other end of the auxiliary seat through a mounting bolt.

[0016] The beneficial effects of the utility model are:

[0017] The utility model cooperates with the ladder main body, the auxiliary ladder body and the lifting assembly. When the height of the ladder needs to be adjusted, the user first unscrews the butterfly nut and then takes out the adjusting screw, then moves the auxiliary ladder body upward or downward to a predetermined position, and then successively passes the adjusting screw through the limit hole and the positioning hole, and then tightens the butterfly nut on the adjusting screw, and the height adjustment operation of the ladder is completed, so that the ladder can be conveniently adjusted to the height of the ladder according to actual use requirements, thereby improving the application range of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model 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 of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of an electric insulating lifting ladder according to an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of a power insulating lifting ladder in a state of use after the height is adjusted according to an embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of a lifting assembly of an electric insulating lifting ladder according to an embodiment of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of structure A of an electric insulating lifting ladder according to an embodiment of the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the cooperation between the adjusting slide groove and the slide seat of an electric insulating lifting ladder according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. Ladder body; 2. Auxiliary ladder body; 3. Lifting assembly; 4. Main cross bar; 5. Hollow cross bar; 6. Auxiliary fixing assembly; 61. Base; 62. Moving slide; 63. Auxiliary seat; 64. Fixed ring; 65. Slide bar; 66. Fixed limit block; 67. Auxiliary limit block; 7. Adjusting slide; 8. Positioning hole; 9. Slide seat; 10. Vertical bar; 11. Limit hole; 12. Adjusting screw; 13. Butterfly nut; 14. Hinge; 15. Protective rope. DETAILED DESCRIPTION

[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0027] According to an embodiment of the utility model, an electric insulating lifting ladder is provided.

[0028] Please refer to the instruction manual Figure 1-5According to an embodiment of the utility model, an electric insulating lifting ladder comprises a ladder body 1, an auxiliary ladder body 2 and a lifting assembly 3. The upper inner cavity of the ladder body 1 is provided with a main cross bar 4. The upper end of the ladder body 1 is connected to the auxiliary ladder body 2. The top ends of the two auxiliary ladder bodies 2 are hinged by hinges 14. A hollow cross bar 5 used in conjunction with the main cross bar 4 is installed in the lower inner cavity of the auxiliary ladder body 2. An auxiliary fixing assembly 6 is installed at the bottom end of the ladder body 1. The ladder body 1 and the auxiliary ladder body 2 are connected by the lifting assembly 3. The lifting assembly 3 includes The invention comprises an adjusting slide groove 7, wherein the adjusting slide groove 7 is provided at the upper end of the ladder body 1, a positioning hole 8 is provided in the adjusting slide groove 7, a slide seat 9 is slidably connected in the adjusting slide groove 7, the slide seat 9 is fixedly installed in the inner cavity of the vertical rod 10 of the auxiliary ladder body 2, a limiting hole 11 used in conjunction with the positioning hole 8 is provided on the side wall of the vertical rod 10, and the limiting hole 11 passes through the slide seat 9, the ladder body 1 is installed with the auxiliary ladder body 2 after the adjusting screw 12 passes through the limiting hole 11 and the positioning hole 8 in sequence, and a butterfly nut 13 is installed on the adjusting screw 12. By cooperating with the ladder main body 1, the auxiliary ladder body 2 and the lifting assembly 3, when the height of the ladder needs to be adjusted, the user first unscrews the butterfly nut 13 and then takes out the adjusting screw 12, then moves the auxiliary ladder body 2 upward or downward to a predetermined position, and then successively passes the adjusting screw 12 through the limiting hole 11 and the positioning hole 8, and then tightens the butterfly nut 13 on the adjusting screw 12, and the height adjustment operation of the ladder is completed, so that the ladder can be conveniently adjusted to the height of the ladder according to actual use requirements, thereby improving the application range of the ladder.

[0029] In one embodiment, please refer to the attached manual. Figure 1 and Figure 2 As a further solution of the utility model, a protective rope 15 is installed between the two ladder bodies 1. The protective rope 15 can provide protection for the user.

[0030] In one embodiment, please refer to the attached manual. Figure 1-5As a further solution of the utility model, the auxiliary fixing assembly 6 includes a base 61, which is fixedly mounted on the bottom end of the side rod of the ladder main body 1, a movable slide groove 62 is provided in the inner cavity of the base 61, and an auxiliary seat 63 is slidably connected in the movable slide groove 62, a fixing ring 64 is installed at the connection between the two auxiliary seats 63, a slide bar 65 used in conjunction with the movable slide groove 62 is installed on the side wall of the auxiliary seat 63, a fixed limit block 66 is fixedly mounted on one end of the auxiliary seat 63, and an auxiliary limit block 67 is installed on the other end of the auxiliary seat 63 through a mounting bolt. When in use, the auxiliary seat 63 is pulled outwards through the slide bar 65 and the movable slide groove 62, so that the ground contact area of ​​the bottom end of the ladder main body 1 can be increased when in use, and the stability of the ladder when in use can be improved. After use, the auxiliary seat 63 is pushed back and fixed with the fixing ring 64.

[0031] Working process: when the height of the ladder needs to be adjusted, the user first unscrews the butterfly nut 13 and then takes out the adjusting screw 12, then moves the auxiliary ladder body 2 upward or downward to the predetermined position, and then passes the adjusting screw 12 through the limit hole 11 and the positioning hole 8 in turn, and then tightens the butterfly nut 13 on the adjusting screw 12 to complete the height adjustment of the ladder, and then pulls the auxiliary seat 63 outward through the slide bar 65 and the movable slide groove 62 to increase the ground contact area at the bottom end of the ladder body 1 and improve the stability of the ladder when in use.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric insulating lifting ladder, comprising a ladder body (1), an auxiliary ladder body (2) and a lifting assembly (3), characterized in that: The upper inner cavity of the combined ladder body (1) is provided with a main crossbar (4); the upper end of the combined ladder body (1) is connected to the auxiliary ladder body (2); the lower inner cavity of the auxiliary ladder body (2) is provided with a hollow crossbar (5) used in conjunction with the main crossbar (4); the bottom end of the combined ladder body (1) is provided with an auxiliary fixing assembly (6); and the combined ladder body (1) and the auxiliary ladder body (2) are connected via a lifting assembly (3); The lifting assembly (3) comprises an adjusting slide groove (7), wherein the adjusting slide groove (7) is provided at the upper end of the ladder body (1), a positioning hole (8) is provided in the adjusting slide groove (7), a slide seat (9) is slidably connected in the adjusting slide groove (7), the slide seat (9) is fixedly installed in the inner cavity of the vertical rod (10) of the auxiliary ladder body (2), a limiting hole (11) used in conjunction with the positioning hole (8) is provided on the side wall of the vertical rod (10), and the limiting hole (11) passes through the slide seat (9), and the ladder body (1) is installed with the auxiliary ladder body (2) after the adjusting screw (12) passes through the limiting hole (11) and the positioning hole (8) in sequence, and a butterfly nut (13) is installed on the adjusting screw (12).

2. The electric insulating lifting elevator according to claim 1, characterized in that: The top ends of the two auxiliary ladder bodies (2) are hingedly connected via hinges (14).

3. The electric insulating lifting elevator according to claim 1, characterized in that: A protective rope (15) is installed between the two ladder bodies (1).

4. The electric insulating lifting elevator according to claim 1, characterized in that: The auxiliary fixing assembly (6) comprises a base (61), the base (61) is fixedly mounted on the bottom end of the side rod of the ladder body (1), a movable slide groove (62) is provided in the inner cavity of the base (61), and an auxiliary seat (63) is slidably connected in the movable slide groove (62), and a fixing ring (64) is installed at the connection between the two auxiliary seats (63).

5. The electric insulating lifting elevator according to claim 4, characterized in that: A slide bar (65) for use in conjunction with the movable slide groove (62) is installed on the side wall of the auxiliary seat (63).

6. The electric insulating lifting elevator according to claim 5, characterized in that: A fixed limit block (66) is fixedly mounted on one end of the auxiliary seat (63), and an auxiliary limit block (67) is mounted on the other end of the auxiliary seat (63) via mounting bolts.

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