Crawling ladder for electric power emergency repair

Abstract

The utility model relates to the technical field of electric power emergency repair, and discloses a crawling ladder for electric power emergency repair, which is characterized in that extension ladder assemblies are arranged in support ladder assemblies in a sliding extension manner, fastening knobs are arranged on the sides of the support ladder assemblies, and the two extension ladder assemblies are in turnover connection through matching of connecting shaft seats and connecting rotary seats; a limiting pull rod is arranged on the side of the supporting ladder assembly, the telescopic ladder assembly is installed in the supporting ladder assembly in a sliding and telescopic mode through embedding of a notch, the supporting height of the crawling ladder can be adjusted through a telescopic structure, the storage size of the crawling ladder can be effectively reduced through retraction storage after use is completed, and the portability of the crawling ladder is greatly improved; the telescopic ladder frames on the two sides are connected and installed by matching the connecting shaft seats with the connecting rotating seats, the ladder stand can perform supporting work in two states of crossing and stretching by matching the telescopic adjustment of the telescopic ladder frames through overturning, the switching is convenient, the use is flexible, and the supporting requirements of climbing maintenance of electric power facilities with different heights can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of power emergency repair, in particular to a ladder for power emergency repair. Background Technique

[0002] As a support tool for people to climb up and down, the ladder is composed of horizontally distributed poles, and cross bars are evenly arranged in the middle for people to climb and support. For a long time, ladders have existed in all walks of life and are often used in many scenarios. In power emergency repair operations, since power facilities are mostly installed at high places, in order to facilitate the repair and maintenance of power facilities, maintenance personnel need to carry special repair ladders.

[0003] The ladder frames of existing power repair ladders are mostly set in a fixed structure. Even after being flipped and stored, the ladder still has a large structural volume, making it very inconvenient to move and carry. And most existing power repair ladders are cross-braced structures. Although they are convenient to move and carry, due to their structural characteristics, they cannot be used to climb and repair power facilities at higher places, and their use limitations are relatively large. Therefore, a ladder for power emergency repair is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a ladder for power emergency repair to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A ladder for power emergency repair, including a support ladder frame, a telescopic ladder frame and support cross bars. The support ladder frame and the telescopic ladder frame are both provided in pairs. The telescopic ladder frame is slidably installed inside the support ladder frame. The support cross bars are evenly installed in the middle of the support ladder frame and the telescopic ladder frame. A fastening knob is arranged on the side of the support ladder frame;

[0006] A connecting shaft seat and a connecting rotating seat are arranged on the upper part of the telescopic ladder frame. The two telescopic ladder frames are rotatably connected through the cooperation of the connecting shaft seat and the connecting rotating seat. A limiting pull rod is arranged on the side of the support ladder frame.

[0007] Preferably, an insulating support is arranged at the bottom of the support ladder frame, and the insulating support is fixedly installed at the bottom pillar end of the support ladder frame.

[0008] Preferably, a connecting sliding groove is arranged inside the support ladder frame, a guiding sliding block is arranged on the side of the telescopic ladder frame, and the telescopic ladder frame is slidably and fittingly installed inside the connecting sliding groove through the guiding sliding block.

[0009] Preferably, adjusting screw holes are evenly arranged at equal intervals on the lower side of the telescopic ladder frame. The fastening knob is threadedly installed inside the screw hole arranged on the side of the support ladder frame, and the stud end of the fastening knob is threadedly connected inside the adjusting screw hole.

[0010] Preferably, the above-mentioned connecting shaft seat and connecting rotating seat are respectively fixedly installed on the upper parts of two telescopic ladder frames. The connecting shaft seat and the connecting rotating seat are rotationally installed through a rotating shaft, and both the connecting shaft seat and the connecting rotating seat are arranged on the side edges of the ends of the telescopic ladder frames.

[0011] Preferably, the end of the above-mentioned limit pull rod is rotationally installed on the side of the support ladder frame through a shaft column. A limit card slot is arranged on the side edge of the end of the limit pull rod, and a limit side column is fixed on the side of the other support ladder frame. The limit pull rod is reversely clamped with the limit side column through the limit card slot.

[0012] Compared with the prior art, the present utility model adopts the above technical solutions and has the following technical effects:

[0013] This power emergency repair ladder adopts a telescopic ladder frame support structure. The telescopic ladder frame is slidably installed inside the support ladder frame by means of notch fitting. Through the telescopic structure, not only the support height of the ladder can be adjusted, but also the storage volume of the ladder can be effectively reduced after use by retracting and storing. The portability of the ladder is greatly improved. Moreover, the two telescopic ladder frames on both sides are connected and installed through the connecting shaft seat and the connecting rotating seat. Through flipping and cooperating with the telescopic adjustment of the telescopic ladder frame, the ladder can support in two states: cross and extended. The switching is convenient and the use is flexible. The support height covers a wide range, which can meet the climbing and maintenance support requirements of power facilities at different heights, and greatly improves the working applicability of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the overall storage state of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the overall cross-support state of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the overall extended support state of the present utility model;

[0018] Figure 4 It is a schematic structural diagram of the installation structure of the telescopic ladder frame of the present utility model;

[0019] Figure 5 It is a three-dimensional structural diagram of the support ladder frame of the present utility model.

[0020] Description of the reference numerals: 1, support ladder frame; 2, telescopic ladder frame; 3, support cross bar; 4, guiding slider; 5, connecting chute; 6, adjusting screw hole; 7, fastening knob; 8, connecting shaft seat; 9, connecting swivel seat; 10, limiting pull rod; 11, limiting side column; 12, insulating support. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions that can be implemented in this application. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change of the proportional relationship, or adjustment of the size should still fall within the scope that can be covered by the technical content disclosed in this application without affecting the effects that this application can produce and the purposes that can be achieved.

[0023] Embodiment

[0024] Please refer to Figures 1-5 , the present invention provides a technical solution: a ladder for power emergency repair, including a support ladder frame 1, a telescopic ladder frame 2 and a support cross bar 3. The support ladder frame 1, the telescopic ladder frame 2 and the support cross bar 3 are all made of aluminum alloy material, which is light in weight and has good structural support strength. As shown in the attached Figure 2 figure, the support ladder frame 1 and the telescopic ladder frame 2 are both arranged in pairs, and the support cross bar 3 is evenly installed in the middle of the support ladder frame 1 and the telescopic ladder frame 2. In order to facilitate the placement and support of the ladder and improve the insulation of the support ladder frame 1, as shown in the attached drawing, an insulating support 12 is provided at the bottom of the support ladder frame 1, and the insulating support 12 is fixedly installed at the bottom pillar end of the support ladder frame 1.

[0025] In order to facilitate the sliding installation of the telescopic ladder frame 2, a connecting chute 5 is provided inside the support ladder frame 1, and a guiding slider 4 is provided on the side of the telescopic ladder frame 2. The telescopic ladder frame 2 is slidably fitted and installed inside the connecting chute 5 through the guiding slider 4. Through the telescopic structure, not only the support height of the ladder can be adjusted, but also the storage volume of the ladder can be effectively reduced by retracting and storing after use, greatly improving the portability of the ladder.

[0026] In order to facilitate the adjustment and limitation of the telescopic ladder frame 2, as shown in the attached Figure 5As shown, a fastening knob 7 is provided on the side of the supporting ladder frame 1, in order to facilitate the adjustment limit locking of the telescopic ladder frame 2, as shown in the attached Figure 4 As shown, adjusting screw holes 6 are evenly and equidistantly arranged on the lower side of the telescopic ladder frame 2, and the tightening knob 7 is threadedly installed on the inner side of the screw hole set on the side of the supporting ladder frame 1. The stud end of the tightening knob 7 is threadedly connected to the inner side of the adjusting screw hole 6, and the locking limit of the telescopic ladder frame 2 is completed by tightening and clamping.

[0027] In order to facilitate the overturning adjustment of the telescopic ladder frame 2, as shown in the attached Figure 4 As shown, a connecting shaft seat 8 and a connecting swivel seat 9 are provided on the upper part of the telescopic ladder frame 2, and the connecting shaft seat 8 and the connecting swivel seat 9 are respectively fixedly installed on the upper parts of the two telescopic ladder frames 2, and the connecting shaft seat 8 and the connecting swivel seat 9 are rotatably installed through a rotating shaft. The two telescopic ladder frames 2 are connected by the connecting shaft seat 8 and the connecting swivel seat 9. The sides of the connecting shaft seat 8 and the connecting swivel seat 9 are provided with a threaded fastening limiting structure. In order to facilitate the flip support limiting of the telescopic ladder frame 2, as shown in the attached Figure 4 As shown, the connecting shaft seat 8 and the connecting swivel seat 9 are both arranged on the end side of the telescopic ladder frame 2. After flipping to the horizontal position, the ends of the two telescopic ladder frames 2 are fitted and abutted, which can realize the flip support limit of the telescopic ladder frame 2. By flipping and coordinating the telescopic adjustment of the telescopic ladder frame 2, as shown in the attached Figure 2 and 3 As shown, the ladder can perform supporting work in both the crossed and extended states. It is easy to switch and flexible to use. The supporting height covers a wide range and can meet the climbing and maintenance support needs of power facilities at different heights, greatly improving the applicability of ladder work.

[0028] In order to provide a turning limit for the ladder in the cross-support state, a limit pull rod 10 is provided on the side of the supporting ladder frame 1, as shown in the attached Figure 2 As shown, the end of the limit rod 10 is rotatably installed on the side of the supporting ladder frame 1 through an axial column. In order to be engaged with the limit side column 11, a limit slot is provided on the side of the end of the limit rod 10, and the limit side column 11 is fixed to the side of the supporting ladder frame 1 on the other side. The limit rod 10 is flipped and engaged with the limit side column 11 through the limit slot, and the flipping and engaging can be used to pull and support the ladder after it is flipped and unfolded to limit the position.

[0029] Working principle or structural principle, when working, when repairing the power facilities at a lower position, the ladder is placed crosswise by flipping, and then the extension amount of the telescopic ladder frame 2 is adjusted by sliding and telescoping according to the work needs, and then the telescopic ladder frame 2 is fastened and limited by the tightening knob 7 and the limiting screw hole, and after completion, the limiting pull rod 10 is flipped, so that the card slot at the end of the limiting pull rod 10 is engaged with the limiting side column 11 on the upper part of the supporting ladder frame 1 on the other side, and the support and limit of the ladder are completed, and then the maintenance operation of the power facilities is completed by climbing with the ladder support;

[0030] When repairing power facilities at higher positions, turn over and unfold the telescopic ladder frame 2 to make the telescopic ladder frames 2 on both sides in a straight state. Then, fasten and limit the shaft seat through fastening. After completion, adjust the extension amount of the telescopic ladder frame 2 through sliding telescoping. Then, cooperate with the limit screw hole through the fastening knob 7 to complete the fastening and limiting of the telescopic ladder frame 2. After completion, set up the ladder and lean it against the support of the power facility to ensure stable support. Then, climb through the ladder support to complete the repair operation of the power facility;

[0031] After use, first retract and store the telescopic ladder frame 2. Then, fasten and limit the retracted telescopic ladder frame 2 through the fastening knob 7. After completion, unlock the shaft seat and turn over and fold the support ladder frame 1 through flipping to complete the storage operation of the ladder.

[0032] In summary, this power repair ladder adopts a telescopic ladder frame support structure. The telescopic ladder frame 2 is slidably and telescopically installed inside the support ladder frame 1 by means of notch fitting. Through the telescopic structure, not only can the support height of the ladder be adjusted, but also the storage volume of the ladder can be effectively reduced by retracting and storing after use, greatly improving the portability of the ladder. Moreover, the two telescopic ladder frames 2 on both sides are connected and installed through the connecting shaft seat 8 and the connecting rotating seat 9. Through flipping and cooperating with the telescopic adjustment of the telescopic ladder frame 2, the ladder can perform support work in two states: cross and extension. The switching is convenient and the use is flexible. The support height covers a wide range, which can meet the climbing and repair support requirements of power facilities at different heights, and greatly improves the working applicability of the ladder.

[0033] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present invention can be combined or combined in various ways, even if such combinations or combinations are not explicitly recited in the present invention. In particular, without departing from the spirit and teachings of the present invention, the features recited in the various embodiments and / or claims of the present invention can be combined and combined in various ways. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A ladder for power emergency repair, comprising a support ladder frame (1), a telescopic ladder frame (2) and a support cross bar (3), characterized in that: The support ladder frame (1) and the telescopic ladder frame (2) are both arranged in pairs. The telescopic ladder frame (2) is slidably and telescopically installed inside the support ladder frame (1). The support cross bars (3) are evenly installed in the middle of the support ladder frame (1) and the telescopic ladder frame (2). A fastening knob (7) is arranged on the side of the support ladder frame (1). A connecting shaft seat (8) and a connecting rotating seat (9) are arranged on the upper part of the telescopic ladder frame (2). The two telescopic ladder frames (2) are flip-connected through the cooperation of the connecting shaft seat (8) and the connecting rotating seat (9). A limiting pull rod (10) is arranged on the side of the support ladder frame (1).

2. The climbing ladder for power emergency repair according to claim 1, characterized in that: An insulating support (12) is arranged at the bottom of the support ladder frame (1). The insulating support (12) is fixedly installed at the bottom pillar end of the support ladder frame (1).

3. The climbing ladder for power emergency repair according to claim 1, characterized in that: A connecting sliding groove (5) is arranged inside the support ladder frame (1). A guiding slider (4) is arranged on the side of the telescopic ladder frame (2). The telescopic ladder frame (2) is slidably fitted and installed inside the connecting sliding groove (5) through the guiding slider (4).

4. The climbing ladder for power emergency repair according to claim 3, characterized in that: Adjusting screw holes (6) are evenly arranged at equal intervals on the lower side of the telescopic ladder frame (2). The fastening knob (7) is threadedly installed inside the screw hole arranged on the side of the support ladder frame (1). The stud end of the fastening knob (7) is threadedly connected inside the adjusting screw hole (6).

5. The climbing ladder for power emergency repair according to claim 4, characterized in that: The connecting shaft seat (8) and the connecting rotating seat (9) are respectively fixedly installed on the upper parts of the two telescopic ladder frames (2). The connecting shaft seat (8) and the connecting rotating seat (9) are rotationally installed through a rotating shaft. The connecting shaft seat (8) and the connecting rotating seat (9) are both arranged at the end side of the telescopic ladder frame (2).

6. The climbing ladder for power emergency repair according to claim 5, characterized in that: The end of the limiting pull rod (10) is rotationally installed on the side of the support ladder frame (1) through a shaft column. A limiting card slot is arranged on the end side of the limiting pull rod (10). A limiting side post (11) is fixed on the side of the other support ladder frame (1). The limiting pull rod (10) is flip-connected with the limiting side post (11) through the limiting card slot.

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