Portable insulating ladder for electrical overhaul

Abstract

The utility model discloses a portable insulating ladder for electrical overhaul, which relates to the technical field of electrical overhaul and comprises a first ladder frame and two groups of sliding chutes, the sliding chutes are arranged on one side of the first ladder frame, the sliding chutes are symmetrically arranged along the first ladder frame, a hand wheel is arranged on one side of the first ladder frame, a first rotating shaft is fixed at one end of the hand wheel, and a second rotating shaft is fixed at the other end of the hand wheel. And first conical teeth are fixed on the outer surface of the first rotating shaft. According to the portable insulating ladder for electrical overhaul, the fixed plate is driven by the sliding block to move up and down, the fixed plate rotates through the connecting shaft and the sliding block, so that the fixed plate can be adaptively adjusted according to the inclination degree of the ladder frame, and when the bottom end of the fixed plate is close to the ground, the bolt is loosened, and the supporting plate is rotationally adjusted through the second rotating shaft; and one side of the supporting plate is close to the ground, so that a supporting structure is additionally arranged on the ladder frame through the supporting plate, the stability of the ladder frame and the ground during use is maintained, the use safety of the ladder frame is improved, the personal safety of personnel is ensured, and the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical maintenance technical field, concretely is electrical maintenance portable insulating ladder. BACKGROUND

[0002] The insulating ladder is a ladder made of special insulating material, has excellent insulating performance, and is mainly used in industries requiring work in live places, such as power engineering and communication engineering, and the manufacturing materials of the insulating ladder usually include glass fiber, epoxy resin glue or high-strength alloy aluminum, and are processed by combining special insulating materials, so that the selection of these materials makes the insulating ladder not only have good insulating performance, but also have the advantages of anti-skid, corrosion resistance, wear resistance, light weight, convenient carrying and the like.

[0003] However, the existing insulating ladder has some problems when in use:

[0004] The existing insulating ladder for portable electrical substation maintenance, including first mounting frame, the inner side of first mounting frame is rotatably connected with second mounting frame, the outer side of first mounting frame is fixedly installed with clamping soft rod, the outer side of first mounting frame and second mounting frame is fixedly installed with friction sleeve, the outer side of first mounting frame is fixedly installed with rotating limiting plate, the outer side of second mounting frame is fixedly installed with fixed block, the outer side of fixed block is provided with plug-in slot, the inner side of plug-in slot is provided with installation slot, the inner side of installation slot is fixedly installed with sliding groove ring;

[0005] However, the above-mentioned technology only designs a friction sleeve as a supporting and anti-skid structure at the bottom of the mounting frame, but after long-term use, the bottom surface of the friction sleeve will be worn, reducing the contact area of the friction sleeve with the ground, and thus easily causing sliding deviation, which increases the risk coefficient and reduces the safety and efficiency during work.

[0006] Therefore, the electrical maintenance portable insulating ladder is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing electrical maintenance portable insulating ladder to solve the above-mentioned problems that only a friction sleeve is designed as a supporting and anti-skid structure at the bottom of the mounting frame, but after long-term use, the bottom surface of the friction sleeve will be worn, reducing the contact area of the friction sleeve with the ground, and thus easily causing sliding deviation, which increases the risk coefficient and reduces the safety and efficiency during work.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: electrical maintenance portable insulating ladder, including first ladder frame and sliding groove:

[0009] The first ladder frame is provided with a chute on one side, and two groups of chutes are symmetrically arranged along the first ladder frame, a hand wheel is arranged on one side of the first ladder frame, one end of the hand wheel is fixedly connected with a first rotating shaft, a first bevel gear is fixedly connected to the outer surface of the first rotating shaft, a second bevel gear is engaged with the outer surface of the first bevel gear, a threaded shaft is fixedly connected to the bottom end of the second bevel gear, and the bottom end of the threaded shaft is in bearing connection with the inner bottom of the chute, and a sliding block is threadedly connected to the outer surface of the threaded shaft and is in close sliding connection with the chute.

[0010] By manually rotating the threaded shaft, the threaded shaft can drive the sliding block to move, so that the supporting mechanism on one side is close to the ground, thereby increasing the supporting effect of the ladder frame and maintaining the stability of the ladder frame during use.

[0011] Preferably, one side of the sliding block is provided with a connecting shaft, one end of the connecting shaft is provided with a fixed plate, and the fixed plate is in rotating connection with the sliding block through the connecting shaft.

[0012] By moving the fixed plate up and down through the sliding block, and rotating the fixed plate and the sliding block, the inclination of the ladder frame can be adaptively adjusted, thereby improving the use efficiency.

[0013] Preferably, a second rotating shaft is arranged in the middle of the fixed plate, a supporting plate is rotatably connected to one end of the second rotating shaft, and a pin is arranged through the middle of the fixed plate and the supporting plate.

[0014] By rotating the supporting plate through the second rotating shaft, and fixing the supporting plate in the middle of the fixed plate through the pin during carrying, the space occupation area is reduced, and the carrying and transportation are facilitated.

[0015] Preferably, a fixed seat is fixed to the inner side of the first ladder frame, an embedding groove is arranged in the middle of the fixed seat, and a first positioning groove is arranged on the side end face of the fixed seat.

[0016] A cross arm is arranged on one side of the first ladder frame, an embedding block is fixed to one end of the cross arm, and the embedding block is in clamping structure with the fixed seat through the embedding groove, a second positioning groove is arranged on the side end face of the embedding block, and a positioning bolt is arranged through the middle of the first positioning groove and the second positioning groove.

[0017] By clamping connection of the embedding block and the embedding groove between the ladder frames, the cross arm is fixed on one side of the ladder frame, and the embedding block and the fixed seat are tightly connected through the positioning bolt, so as to further fix the cross arm on one side of the ladder frame and increase the stability.

[0018] Preferably, the bottom end of the first ladder frame is bolted with a first rubber pad, the outer surface of the first ladder frame is fixed with a guardrail, and the top end of the first ladder frame is bolted with a second rubber pad.

[0019] By installing the rubber pads at the top end and the bottom end of the ladder frame, the anti-skid effect of the ladder frame can be increased when the ladder frame is used, the anti-skid performance of the ladder frame during use can be improved, the stability can be improved, the half-arc-shaped guardrails are designed on the surface of the ladder frame, the gripping effect of personnel can be improved when the ladder frame is used, the use effect can be improved, and the safety can be improved.

[0020] Preferably, the outer surface of the first ladder frame is rotatably connected with a connecting piece, and the middle part of the connecting piece is rotatably connected with a clamping hook.

[0021] One side of the first ladder frame is provided with a second ladder frame, the outer surface of the second ladder frame is fixed with a clamping block, one side of the clamping block is provided with a clamping groove, and the clamping hook is in corresponding clamping connection with the clamping groove.

[0022] By designing the clamping hook and the clamping block between the first ladder frame and the second ladder frame, the first ladder frame and the second ladder frame can be fixed through the clamping connection of the clamping hook and the clamping block after the cross arm is disassembled, the ladder frame can be conveniently carried by personnel, and the use effect can be improved.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1. The fixed plate is driven to move up and down by the sliding block, the fixed plate is rotated with the sliding block through the connecting shaft, the fixed plate can be self-adaptively adjusted according to the inclination degree of the ladder frame, when the bottom end of the fixed plate is close to the ground, the latch is loosened, the supporting plate is adjusted by rotating through the second rotating shaft, and one side of the supporting plate is close to the ground, so that the supporting structure of the ladder frame is increased through the supporting plate, the stability of the ladder frame to the ground during use is maintained, the safety of the ladder frame is improved, the personal safety of the personnel is ensured, and the use efficiency is improved.

[0025] 2. The cross arm is designed on one side of the first ladder frame, the cross arm is preliminarily fixed through the clamping connection of the embedding block and the fixed seat, and the positioning bolt is further inserted through the embedding block and the fixed seat, so that the two are further fixed, and conversely, the cross arm can be conveniently disassembled through the clamping connection, so that the ladder frame and the cross arm are separated, convenient carrying and transportation are realized, the portability of the insulating ladder is improved, and the use efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a front view of the structure of the utility model;

[0027] Figure 2 It is a side view of the main body of the structure of the utility model;

[0028] Figure 3 It is the first ladder frame bottom side sectional view structure schematic view of the utility model;

[0029] Figure 4 It is the first ladder frame bottom side sectional view structure schematic view of the utility model; Figure 3 It is the middle A place enlarged structure schematic view of the utility model;

[0030] Figure 5 It is the support plate and fixed plate connecting structure schematic view of the utility model;

[0031] Figure 6 It is the cross arm and first ladder frame clamping connection structure schematic view of the utility model

[0032] Figure 7 It is the first ladder frame and second ladder frame connecting structure schematic view of the utility model.

[0033] In the drawing: 1, first ladder frame;2, fixed seat;3, embedded groove;4, first positioning groove;5, cross arm;6, embedded block;7, second positioning groove;8, positioning bolt;9, first rubber pad;10, sliding groove;11, hand wheel;12, first rotating shaft;13, first bevel gear;14, second bevel gear;15, threaded shaft;16, sliding block;17, connecting shaft;18, fixed plate;19, second rotating shaft;20, support plate;21, bolt;22, guardrail;23, second rubber pad;24, connecting piece;25, clamping hook;26, second ladder frame;27, clamping block;28, clamping groove. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0035] In order to solve the problem that the bottom surface of the friction sleeve will be worn in the prior art, the contact surface of the friction sleeve and the ground is reduced, and the sliding deviation condition is prone to occur, therefore, the following scheme is disclosed, please refer to Figures 1-7The utility model provides a technical scheme: electrical maintenance portable insulating ladder, including first ladder frame 1 and sliding groove 10: the side of first ladder frame 1 is equipped with sliding groove 10, and sliding groove 10 is equipped with two groups along the symmetry of first ladder frame 1, the side of first ladder frame 1 is provided with hand wheel 11, and one end of hand wheel 11 is fixed with first rotation axis 12, the outer surface of first rotation axis 12 is fixed with first bevel gear 13, and the outer surface of first bevel gear 13 is engaged with second bevel gear 14, and the bottom of second bevel gear 14 is fixed with threaded shaft 15, and the bottom of threaded shaft 15 is connected with the inner bottom of sliding groove 10 in bearing, and the outer surface of threaded shaft 15 is connected with sliding block 16 in screw thread, and sliding block 16 is connected with sliding groove 10 in close sliding, the side of sliding block 16 is provided with connecting shaft 17, and one end of connecting shaft 17 is provided with fixed plate 18, and fixed plate 18 constitutes rotating structure with sliding block 16 through connecting shaft 17, the middle part of fixed plate 18 is provided with second rotation axis 19, and one end of second rotation axis 19 is rotatably connected with support plate 20, and the middle part of fixed plate 18 and support plate 20 penetrates with bolt 21. Through the manual rotation of the hand wheel 11 of first ladder frame 1 side, hand wheel 11 drives first rotation axis 12 to rotate, first rotation axis 12 drives first bevel gear 13 and second bevel gear 14 to rotate, and then the threaded shaft 15 in the middle part of sliding groove 10 is driven to rotate through second bevel gear 14, and the threaded shaft 15 drives sliding block 16 to move up and down along the middle part of sliding groove 10, so that the fixed plate 18 on the side of sliding block 16 moves up and down, and the fixed plate 18 rotates with sliding block 16 through connecting shaft 17, so that the fixed plate 18 can be self-adaptively adjusted according to the inclination degree of the ladder frame, when the bottom of fixed plate 18 is close to the ground, the bolt 21 is loosened, and the side of support plate 20 is close to the ground, so as to increase the support structure of the ladder frame through the support plate 20, so as to keep the stability of the ladder frame and the ground during use, improve the safety of the ladder frame, ensure the personal safety of the personnel, and improve the use efficiency.

[0036] The inner side of first ladder frame 1 is fixed with fixed seat 2, the middle part of fixed seat 2 is equipped with embedding groove 3, and the side end surface of fixed seat 2 is equipped with first positioning groove 4; The side of first ladder frame 1 is provided with cross arm 5, and one end of cross arm 5 is fixed with embedding block 6, and embedding block 6 constitutes the clamping structure with fixed seat 2 through embedding groove 3, the side end surface of embedding block 6 is equipped with second positioning groove 7, and the middle part of first positioning groove 4 and second positioning groove 7 penetrates with positioning bolt 8. Increase cross arm 5 on the side of first ladder frame 1, and the clamping connection of embedding block 6 and fixed seat 2 realizes preliminary fixation, and then the positioning bolt 8 is passed through embedding block 6 and fixed seat 2, so as to further realize the fixation of both, on the contrary, through the clamping connection, the cross arm 5 can be conveniently disassembled, so as to separate the ladder frame and cross arm 5, facilitate carrying and transportation, improve the portability of the insulating ladder, and improve the use efficiency.

[0037] The bottom end of the first ladder frame 1 is bolted with a first rubber pad 9, the outer surface of the first ladder frame 1 is fixed with a guardrail 22, and the top end of the first ladder frame 1 is bolted with a second rubber pad 23. By installing rubber pads at the top and bottom ends of the ladder frame, the anti-slip effect of the ladder frame can be increased when in use, thereby increasing the anti-slip performance and stability of the ladder frame during use. By designing a semicircular guardrail 22 on the surface of the ladder frame, a gripping effect can be provided for the personnel during use, thereby increasing the auxiliary effect for the personnel to climb the ladder frame, further improving the use effect, and increasing the safety for the personnel to use.

[0038] The outer surface of the first ladder frame 1 is rotatably connected with a connecting piece 24, the middle part of the connecting piece 24 is rotatably connected with a hook 25; one side of the first ladder frame 1 is provided with a second ladder frame 26, the outer surface of the second ladder frame 26 is fixed with a clamping block 27, one side of the clamping block 27 is provided with a clamping groove 28, and the hook 25 is in corresponding clamping connection with the clamping groove 28. After the cross arm 5 between the first ladder frame 1 and the second ladder frame 26 is disassembled, the second ladder frame 26 is close to the first ladder frame 1, and then the connecting piece 24 is rotated to drive the hook 25 at the bottom to rotate, so that the hook 25 is in clamping connection with the clamping groove 28 of the clamping block 27 on the surface of the second ladder frame 26, thereby realizing the clamping connection between the first ladder frame 1 and the second ladder frame 26, which further facilitates the personnel to carry and transport the insulating ladder, can reduce the space occupation area, improve the portability, and enhance the use effect.

[0039] Working principle: for this kind of electrical maintenance portable insulating ladder, first, install the cross arm 5 at equal intervals between the first ladder frame 1 and the second ladder frame 26, and then the cross arm 5 is clamped and connected with the fixed seat 2 through the embedded block 6 to realize preliminary fixation, and then the positioning bolt 8 is inserted through the embedded block 6 and the fixed seat 2 to further realize the fixation of the two, when in use, the second rubber pad 23 at the top end of the ladder frame is close to the workbench surface, the first rubber pad 9 at the bottom end of the ladder frame is closely attached to the ground, thereby realizing the anti-slip effect of the ladder frame and increasing the stability, and the rotatable supporting plate 20 is installed on both sides of the ladder frame, the bottom end of the supporting plate 20 is close to the ground, so that the supporting structure of the ladder frame can be increased through the supporting plate 20, so as to keep the stability of the ladder frame when in use, improve the safety of the ladder frame, ensure the personal safety of the personnel, improve the use efficiency, when not in use, the cross arm 5 is disassembled, the second ladder frame 26 is close to the first ladder frame 1, the hook 25 on the outer surface of the first ladder frame 1 is in clamping connection with the clamping groove 28 of the clamping block 27 on the surface of the second ladder frame 26, thereby realizing the clamping connection between the first ladder frame 1 and the second ladder frame 26, which further facilitates the personnel to carry and transport the insulating ladder, can reduce the space occupation area, improve the portability, and enhance the use effect.

[0040] Thus a series of work is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0041] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electrical maintenance portable insulating ladder, comprising a first ladder frame (1) and a sliding groove (10), characterized in that: one side of the first ladder frame (1) is provided with the sliding groove (10), and the sliding groove (10) is symmetrically provided with two groups along the first ladder frame (1), one side of the first ladder frame (1) is provided with a hand wheel (11), one end of the hand wheel (11) is fixedly connected with a first rotating shaft (12), the outer surface of the first rotating shaft (12) is fixedly connected with a first bevel gear (13), the outer surface of the first bevel gear (13) is engaged with a second bevel gear (14), the bottom end of the second bevel gear (14) is fixedly connected with a threaded shaft (15), and the bottom end of the threaded shaft (15) is in bearing connection with the inner bottom of the sliding groove (10), the outer surface of the threaded shaft (15) is threadedly connected with a sliding block (16), and the sliding block (16) is in close sliding connection with the sliding groove (10).

2. The portable electrical service inspection insulated ladder of claim 1, wherein: One side of the sliding block (16) is provided with a connecting shaft (17), one end of the connecting shaft (17) is provided with a fixed plate (18), and the fixed plate (18) and the sliding block (16) constitute a rotating structure through the connecting shaft (17).

3. The portable electrical service inspection insulated ladder of claim 2, wherein: The middle part of the fixed plate (18) is provided with a second rotating shaft (19), one end of the second rotating shaft (19) is rotatably connected with a supporting plate (20), and the middle part of the fixed plate (18) and the supporting plate (20) penetrates a bolt (21).

4. The portable electrical service inspection insulated ladder of claim 1, wherein: The inner side of the first ladder frame (1) is fixedly connected with a fixed seat (2), the middle part of the fixed seat (2) is provided with an embedding groove (3), and the side end face of the fixed seat (2) is provided with a first positioning groove (4). One side of the first ladder frame (1) is provided with a cross arm (5), one end of the cross arm (5) is fixedly connected with an embedding block (6), and the embedding block (6) and the fixed seat (2) constitute a clamping structure through the embedding groove (3), the side end face of the embedding block (6) is provided with a second positioning groove (7), and the middle part of the first positioning groove (4) and the second positioning groove (7) penetrates a positioning bolt (8).

5. The portable electrical service inspection insulated ladder of claim 4, wherein: The bottom end of the first ladder frame (1) is boltedly connected with a first rubber pad (9), the outer surface of the first ladder frame (1) is fixedly connected with a guardrail (22), and the top end of the first ladder frame (1) is boltedly connected with a second rubber pad (23).

6. The portable electrical service inspection insulated ladder of claim 1, wherein: The outer surface of the first ladder frame (1) is rotatably connected with a connecting piece (24), and the middle part of the connecting piece (24) is rotatably connected with a clamping hook (25). One side of the first ladder frame (1) is provided with a second ladder frame (26), the outer surface of the second ladder frame (26) is fixedly connected with a clamping block (27), one side of the clamping block (27) is provided with a clamping groove (28), and the clamping hook (25) and the clamping groove (28) are correspondingly clamped and connected.

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