Cable maintenance ladder for electric power engineering

By using micromotor drive gears and gears in the cable maintenance ladder for power engineering, the inner rod is driven to move, and the outer rod and the inner rod are held on the outside of the pole, the problem of unstable and easy tilting connection of the existing maintenance ladder is solved, and higher stability and safety are achieved.

CN222542336UActive Publication Date: 2025-02-28LINGBAO POWER SUPPLY CO OF STATE
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Patent Information

Application Number
CN202420449935.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-08
Publication Date
2025-02-28
Estimated Expiration
2034-03-08

AI Technical Summary

Technical Problem

During the use of existing cable maintenance and maintenance ladders for power projects, the connection is not stable enough and easy to dump, causing the risk of workers falling.

Method used

A cable maintenance and maintenance ladder for power engineering is designed. The gears and gears are driven to mesh with the gears and the gears and teeth, and the inner rod is moved along the slide chute, so that the outer rod and the inner rod are clamped on the outside of the telephone pole, improving stability and safety.

Benefits of technology

It effectively improves the stability and safety of the maintenance ladder, prevents workers from falling, and improves flexibility during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric power engineering, and discloses a cable maintenance ladder for electric power engineering, which comprises a basic ladder, a control button, a first extension ladder and a second extension ladder, a plurality of grooves are arranged on the front end face of the first extension ladder, the front end face of the second extension ladder and the front end face of the basic ladder, and two grooves form a group. Every two grooves in each group are transversely arranged, the multiple groups of grooves are vertically arranged on the front end face of the basic ladder, the upper portion of the front end face of the first extension ladder and the upper portion of the center of the front end face of the second extension ladder respectively, protection structures are arranged in the multiple grooves, and a clamping groove is formed in the upper portion of the center of the rear end face of the second extension ladder. A clamping block is arranged in the clamping groove, and a limiting structure is arranged at the rear end of the clamping block. According to the utility model, the limiting structure leans against the end part of the telegraph pole, and the limiting structure is embraced on the outer side of the telegraph pole, so that the stability is improved, a plurality of protection structures prevent workers from falling off, and the safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric power engineering, in particular to a cable maintenance and repair ladder for electric power engineering. Background Art

[0002] Power engineering refers to engineering related to the production, transmission and distribution of electric energy. In a broad sense, it also includes engineering that uses electricity as power and energy in multiple fields. When power engineering is in use, regular maintenance and inspection are required, and workers need to use maintenance ladders to get close to the cables for maintenance.

[0003] In the use of existing cable maintenance and inspection ladders for power engineering, most of them use telescopic ladders for easy carrying. One end of the telescopic ladder is placed against the outside of the utility pole, and then the ladder is climbed up for maintenance. One end of the telescopic ladder is only supported by the utility pole, and the connection is not stable enough. When it falls over, the worker may fall directly from a height, which is dangerous. Therefore, technical personnel in this field provide a cable maintenance and inspection ladder for power engineering to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings existing in the prior art and proposes a cable maintenance and inspection ladder for electric power engineering. When in use, the outer rod at the rear end of the second telescopic ladder is placed against the electric pole, the micromotor is controlled to rotate forward, the micromotor drives the gear to rotate, the gear is engaged with the row of teeth to push the row of teeth to one side, so that the inner rod moves along the slide groove to the inside of the second storage groove, the outer rod and the inner rod are clamped on the outer side wall of the electric pole, so as to improve stability and safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable maintenance and inspection ladder for electric power engineering, comprising a basic ladder, a control button, a first telescopic ladder and a second telescopic ladder, the control button being arranged at a lower part of one side of the front end face of the basic ladder, the first telescopic ladder being arranged at an upper end of the basic ladder, the second telescopic ladder being arranged at an upper end of the first telescopic ladder, the front end face of the first telescopic ladder, the front end face of the second telescopic ladder and the front end face of the basic ladder being provided with a plurality of grooves, the plurality of grooves being a group of two, each group of two grooves being arranged transversely, the plurality of groups of grooves being arranged vertically on the front end face of the basic ladder, the upper part of the front end face of the first telescopic ladder and the upper part of the center of the front end face of the second telescopic ladder, the plurality of grooves being provided with protective structures inside, a card slot being provided at an upper part of the center of the rear end face of the second telescopic ladder, a card block being provided inside the card slot, a limiting structure being provided at the rear end of the card block, and anti-slip plates being symmetrically provided on both sides of the upper part of the center of the rear end face of the second telescopic ladder;

[0006] Through the above technical solution, after the first telescopic ladder and the second telescopic ladder are pulled out, the limiting structure is placed against the end of the utility pole, and the limiting structure is used to hold the outside of the utility pole to improve stability. The safety during use is improved by multiple protective structures to prevent workers from falling. By removing the limiting structure, the two anti-slip plates are fitted on the plane for support, thereby improving flexibility during use.

[0007] Furthermore, the protection structure includes a protection ring and two mounting tabs, the two mounting tabs are respectively arranged at two ends of the protection ring, and the two mounting tabs are respectively arranged inside each group of two grooves;

[0008] The above technical solution makes it easy to install and position the protective ring, and the protective ring can prevent workers from falling, thereby improving safety.

[0009] Further, the shape of the protective ring is semicircular;

[0010] Through the above technical solution, the semicircular protection ring provides a protective space to prevent workers from falling.

[0011] Further, the limiting structure includes an outer rod, a first storage slot, a row of teeth, a second storage slot, four slide slots, an inner rod, a gear, a battery and a micro motor, the first storage slot and the second storage slot are respectively arranged at both sides of the center of the rear end face of the outer rod, the inner rod is arranged inside the first storage slot, the four slide slots are respectively arranged at one side of the upper and lower inner side walls of the first storage slot and at one side of the upper and lower inner side walls of the second storage slot, the row of teeth is arranged on one side wall of the inner rod, the micro motor is arranged at one side of the center of the upper end face of the outer rod, the output end of the micro motor passes through the outer rod to the inside of the first storage slot, the gear is arranged on the output end of the micro motor inside the first storage slot, the gear and the row of teeth are meshed with each other, and the battery is arranged at one side of the front end face of the outer rod;

[0012] Through the above technical solution, by controlling the micromotor to start, the micromotor drives the gear to rotate, so that the row of teeth drives the inner rod to move to one side, and one end of the inner rod moves to the inside of the second storage tank, so that the inner rod and the outer rod are held on the outside of the pole to prevent tipping, thereby improving the safety of use.

[0013] Furthermore, the upper and lower end surfaces of the inner rod are both provided with sliders near one side, and the two sliders are respectively slidably connected to the inside of the two slide grooves inside the first storage groove, and are respectively slidably connected to the two slide grooves inside the second storage groove;

[0014] Through the above technical solution, the inner rod can slide conveniently inside the four sliding grooves through the two sliding blocks.

[0015] Furthermore, threaded columns are symmetrically arranged at both sides of the center of the front end face of the clamping block, and both of the threaded columns penetrate the front inner wall of the clamping slot and pass to the front end face of the second telescopic ladder, and nuts are threadedly sleeved at the ends;

[0016] Through the above technical solution, it is convenient to fix the clamping block inside the clamping slot through two threaded columns and two nuts.

[0017] Furthermore, the two anti-slip plates are made of rubber, and the rear end surfaces are both provided with an inclined surface;

[0018] Through the above technical solution, it is convenient to disassemble the limiting structure and use it by fitting the two anti-skid plates on the flat surface. The rubber anti-skid plate has a good anti-slip effect, and the inclined surface can fit the flat surface better, thereby improving flexibility during use.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, when the cable maintenance and repair ladder for electric power engineering is used, the outer rod at the rear end of the second telescopic ladder is placed against the electric pole, the micromotor is controlled to rotate in the forward direction, the micromotor drives the gear to rotate, the gear is engaged with the row of teeth to push the row of teeth to one side, so that the inner rod moves along the slide groove to the inside of the second storage groove, and the outer rod and the inner rod are clamped on the outer side wall of the electric pole, thereby improving stability and safety.

[0021] 2. In the utility model, the block is pulled out to the rear end by rotating the two nuts in opposite directions, and then supported by two anti-slip plates that fit in the plane. The anti-slip plate made of rubber material has good anti-slip effect and can be used according to the actual environment, thereby improving flexibility during use.

[0022] 3. In the utility model, a plurality of protection rings are arranged on the front end surface of the basic ladder, the front end surface of the first telescopic ladder and the front end surface of the second telescopic ladder, which can provide protection for workers when using the ladder to prevent them from falling and improve safety during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a cable maintenance and repair ladder for electric power engineering proposed by the utility model;

[0024] Figure 2 A top sectional view of an outer rod of a cable maintenance and repair ladder for electric power engineering proposed by the utility model;

[0025] Figure 3 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0026] Figure 4 for Figure 1 A magnified schematic diagram of point B in the middle.

[0027] Legend:

[0028] 1. Basic ladder; 2. Protection structure; 201. Protection ring; 202. Mounting lug; 3. Control button; 4. Second telescopic ladder; 5. Limiting structure; 501. Outer rod; 502. First storage slot; 503. Row of teeth; 504. Second storage slot; 505. Slide; 506. Inner rod; 507. Gear; 508. Battery; 509. Block; 510. Threaded column; 511. Nut; 512. Micromotor; 513. Slider; 6. First telescopic ladder; 7. Slot; 8. Anti-slip plate; 9. Groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-4 The utility model provides an embodiment: a cable maintenance and repair ladder for electric power engineering, comprising a basic ladder 1, a control button 3, a first telescopic ladder 6 and a second telescopic ladder 4, the control button 3 is arranged at the lower part of one side of the front end surface of the basic ladder 1, the first telescopic ladder 6 is arranged at the upper end of the basic ladder 1, the second telescopic ladder 4 is arranged at the upper end of the first telescopic ladder 6, the front end surface of the first telescopic ladder 6, the front end surface of the second telescopic ladder 4 and the front end surface of the basic ladder 1 are provided with a plurality of grooves 9, the plurality of grooves 9 are grouped into two, each group of two grooves 9 is arranged in a transverse arrangement, and the plurality of groups of grooves 9 are arranged up and down on the front end surface of the basic ladder 1, the upper part of the front end surface of the first telescopic ladder 6 and the middle part of the front end surface of the second telescopic ladder 4 At the upper center, multiple grooves 9 are each provided with a protective structure 2, and the multiple protective structures 2 are used to improve safety during use and prevent workers from falling. A card slot 7 is provided at the upper center of the rear end surface of the second telescopic ladder 4, and a card block 509 is provided inside the card slot 7. A limiting structure 5 is provided at the rear end of the card block 509. After the first telescopic ladder 6 and the second telescopic ladder 4 are pulled out, the limiting structure 5 is placed against the end of the pole, and the pole is held outside by the limiting structure 5 to improve stability. Anti-skid plates 8 are symmetrically provided on both sides of the upper center of the rear end surface of the second telescopic ladder 4. By removing the limiting structure 5, the two anti-skid plates 8 are supported by fitting the two anti-skid plates in the plane to improve flexibility during use.

[0031] The protective structure 2 includes a protective ring 201 and two mounting ears 202. The two mounting ears 202 are respectively arranged at both ends of the protective ring 201. The two mounting ears 202 are respectively arranged inside each group of two grooves 9, which is convenient for installing and positioning the protective ring 201. The protective ring 201 is then used to prevent workers from falling, thereby improving safety. The shape of the protective ring 201 is semicircular, and the semicircular protective ring 201 provides a protective space to prevent workers from falling.

[0032] The limiting structure 5 includes an outer rod 501, a first storage slot 502, a row of teeth 503, a second storage slot 504, four slide slots 505, an inner rod 506, a gear 507, a battery 508 and a micro motor 512. The first storage slot 502 and the second storage slot 504 are respectively arranged at the center of the rear end surface of the outer rod 501 on both sides, the inner rod 506 is arranged inside the first storage slot 502, the four slide slots 505 are respectively arranged at one side of the upper and lower inner side walls of the first storage slot 502 and at one side of the upper and lower inner side walls of the second storage slot 504, the row of teeth 503 is arranged on one side wall of the inner rod 506, the micro motor 512 is arranged at one side of the center of the upper end surface of the outer rod 501, the output end of the micro motor 512 passes through the outer rod 501 to the inside of the first storage slot 502, and the gear 507 is arranged inside the first storage slot 502. At the output end of the machine 512, the gear 507 and the row of teeth 503 are meshed with each other, and the battery 508 is arranged at one side of the front end surface of the outer rod 501. By controlling the micromotor 512 to start, the micromotor 512 drives the gear 507 to rotate, so that the row of teeth 503 drives the inner rod 506 to move to one side, and one end of the inner rod 506 moves to the inside of the second storage groove 504, so that the inner rod 506 and the outer rod 501 are held on the outside of the pole to prevent tipping and improve the safety of use. Slide blocks 513 are provided on one side of the upper and lower end surfaces of the inner rod 506. The two slide blocks 513 are respectively slidably connected to the inside of the two slide grooves 505 in the first storage groove 502, and are respectively slidably connected to the two slide grooves 505 in the second storage groove 504, so that the inner rod 506 can slide in the four slide grooves 505 through the two slide blocks 513.

[0033] Threaded columns 510 are symmetrically arranged on both sides of the center of the front end surface of the block 509. The two threaded columns 510 penetrate the front inner wall of the slot 7 to the front end surface of the second telescopic ladder 4, and the ends are threadedly sleeved with nuts 511, so that the block 509 can be fixed inside the slot 7 conveniently by means of the two threaded columns 510 and the two nuts 511. The material of the two anti-skid plates 8 is rubber, and the rear end surfaces are provided with inclined surfaces, so that after the limiting structure 5 is disassembled, it is convenient to use it by fitting the two anti-skid plates 8 in a flat position. The rubber anti-skid plate 8 has a good anti-slip effect, and the inclined surface can fit the plane better, thereby improving flexibility during use.

[0034] Working principle: After the first telescopic ladder 6 and the second telescopic ladder 4 are pulled out, the outer rod 501 is placed against the end of the electric pole, and the micromotor 512 is controlled to rotate in the forward direction. The micromotor 512 drives the gear 507 to rotate, and the gear 507 engages with the row of teeth 503 to push the row of teeth 503 to one side, so that the inner rod 506 moves along the slide groove 505 to the inside of the second storage groove 504. The outer rod 501 and the inner rod 506 are clamped on the outer wall of the electric pole to improve stability and safety. A plurality of protective rings 201 are arranged at the front end of the basic ladder 1 The front surface of the first telescopic ladder 6 and the front surface of the second telescopic ladder 4 can provide protection for workers when using them to prevent workers from falling, thereby improving safety during use. After use, the micromotor 512 is controlled to rotate in the opposite direction to retract the inner rod 506 into the first storage slot 502, and the block 509 is pulled out to the rear end by rotating the two nuts 511 in the opposite direction, and then supported by two anti-skid plates 8 in a flat position. The anti-skid plate 8 made of rubber has a good anti-slip effect and can also be used according to the actual environment to improve flexibility during use.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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. A cable maintenance and repair ladder for electric power engineering, comprising a basic ladder (1), a control button (3), a first telescopic ladder (6) and a second telescopic ladder (4), wherein the control button (3) is arranged at a lower part of one side of the front end surface of the basic ladder (1), the first telescopic ladder (6) is arranged at the upper end of the basic ladder (1), and the second telescopic ladder (4) is arranged at the upper end of the first telescopic ladder (6), characterized in that: A plurality of grooves (9) are provided on the front end surface of the first telescopic ladder (6), the front end surface of the second telescopic ladder (4) and the front end surface of the basic ladder (1). The plurality of grooves (9) are grouped in two, and each group of two grooves (9) are arranged transversely. The plurality of groups of grooves (9) are arranged vertically on the front end surface of the basic ladder (1), the upper part of the front end surface of the first telescopic ladder (6) and the upper part of the center of the front end surface of the second telescopic ladder (4). A protective structure (2) is provided inside the plurality of grooves (9). A card slot (7) is provided at the upper part of the center of the rear end surface of the second telescopic ladder (4). A card block (509) is provided inside the card slot (7). A limiting structure (5) is provided at the rear end of the card block (509). Anti-slip plates (8) are symmetrically provided on both sides of the upper part of the center of the rear end surface of the second telescopic ladder (4).

2. A cable maintenance and repair ladder for electric power engineering according to claim 1, characterized in that: The protective structure (2) comprises a protective ring (201) and two mounting tabs (202), wherein the two mounting tabs (202) are respectively arranged at two ends of the protective ring (201), and the two mounting tabs (202) are respectively arranged inside each group of two grooves (9).

3. A cable maintenance and repair ladder for electric power engineering according to claim 2, characterized in that: The protective ring (201) is in the shape of a semicircle.

4. The cable maintenance and repair ladder for electric power engineering according to claim 1, characterized in that: The limiting structure (5) comprises an outer rod (501), a first storage slot (502), a row of teeth (503), a second storage slot (504), four slide slots (505), an inner rod (506), a gear (507), a battery (508) and a micro motor (512), wherein the first storage slot (502) and the second storage slot (504) are respectively arranged at the center of the rear end surface of the outer rod (501) on both sides, the inner rod (506) is arranged inside the first storage slot (502), and the four slide slots (505) are respectively arranged at one side of the upper and lower inner side walls of the first storage slot (502) and the second storage slot (504) are arranged at the inner side walls of the first storage slot (502). The row of teeth (503) is arranged on one side of the inner wall of the inner rod (506), the micro motor (512) is arranged on one side of the center of the upper end surface of the outer rod (501), the output end of the micro motor (512) passes through the outer rod (501) and is connected to the inside of the first storage groove (502), the gear (507) is arranged on the output end of the micro motor (512) inside the first storage groove (502), the gear (507) and the row of teeth (503) are meshed with each other, and the storage battery (508) is arranged on one side of the front end surface of the outer rod (501).

5. A cable maintenance and repair ladder for electric power engineering according to claim 4, characterized in that: Slide blocks (513) are provided on one side of the upper and lower end surfaces of the inner rod (506), and the two slide blocks (513) are respectively slidably connected to the inside of the two slide grooves (505) inside the first storage groove (502), and are respectively slidably connected to the two slide grooves (505) inside the second storage groove (504).

6. The cable maintenance and repair ladder for electric power engineering according to claim 1, characterized in that: Threaded columns (510) are symmetrically arranged at both sides of the center of the front end face of the clamping block (509), and the two threaded columns (510) both penetrate the front inner wall of the clamping slot (7) and pass to the front end face of the second telescopic ladder (4), and the ends of the two threaded columns are both threadedly sleeved with nuts (511).

7. The cable maintenance and repair ladder for electric power engineering according to claim 1, characterized in that: The two anti-slide plates (8) are both made of rubber, and the rear end surfaces are both provided with inclined surfaces.