Insulated ladder

Abstract

The utility model provides an insulating ladder, which comprises a ladder body, a hanging wall, a first sliding frame and a first roller; a hanging arm is arranged at the top of the ladder body and connected to the ladder body, and the hanging arm is suitable for hooking on a cross arm or a cable; a first receiving groove is provided on the inner side of the top of the hanging arm; the first sliding frame is elastically arranged in the first receiving groove, and slides with the hanging arm, and has the freedom to slide along the height direction of the ladder body; the first roller is rotatably connected to the first sliding frame, and the axis of the first roller is perpendicular to the width direction of the ladder body; the first roller is suitable for moving with the first sliding frame, protruding or retracting into the first receiving groove; wherein, when the ladder body is vacant, the first roller protrudes out of the first receiving groove; after the staff climbs up the ladder body, the first roller retracts into the first receiving groove. The insulating ladder provided by the utility model can adjust the position of the ladder relative to the cross arm or the cable by directly pushing the ladder horizontally, which is convenient to operate and saves time and effort.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric appliances, and in particular relates to an insulating ladder. Background Art

[0002] An insulated ladder is a special climbing tool used to ensure the safety of personnel during electrical equipment maintenance. The insulating properties of an insulated ladder are mainly derived from its special materials and design. It uses non-conductive materials such as rubber and fiberglass, which are insulating materials that current cannot pass through and can effectively block the flow of current, thereby ensuring safe isolation between people and wires.

[0003] When an insulated ladder is in use, it is often necessary to set up on a crossarm or cable. When the position of the ladder on the crossarm or cable needs to be moved, the ladder needs to be lifted up first and then moved to a suitable position. The whole process is time-consuming and laborious. Utility Model Content

[0004] The utility model provides an insulating ladder, aiming to solve the technical problem that the insulating ladder in the prior art is inconvenient to move on a cross arm or a cable.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an insulating ladder, comprising:

[0006] Ladder body;

[0007] A hanging arm is arranged on the top of the ladder body and connected to the ladder body, and the hanging arm is suitable for being hooked on a cross arm or a cable; a first receiving groove is provided on the inner side of the top of the hanging arm;

[0008] A first sliding frame is elastically arranged in the first receiving groove, slidably cooperates with the hanging arm, and has the freedom to slide along the height direction of the ladder body;

[0009] A first roller is rotatably connected to the first sliding frame, and the axis of the first roller is perpendicular to the width direction of the ladder body; the first roller is suitable for moving with the first sliding frame, protruding from or retracting into the first receiving groove;

[0010] Wherein, when the ladder body is empty, the first roller protrudes out of the first receiving groove; after the staff climbs up the ladder body, the first roller retracts into the first receiving groove.

[0011] In a possible implementation of the insulating ladder provided by the utility model, an arc-shaped groove is provided along the circumference of the first roller, and the diameter of the arc-shaped groove is greater than or equal to the diameter of the cross arm or the cable.

[0012] In a possible implementation of the insulating ladder provided by the utility model, a first guide limit groove is provided on the hanging arm, the first guide limit groove is connected to the first accommodating groove, and the extension direction of the first guide limit groove is parallel to the height direction of the ladder body; a first limit block is provided on the side of the first sliding frame, the first limit block is slidably matched with the first guide limit groove, and is suitable for sliding along the first guide limit groove; a first spring is provided on the top of the first sliding frame, and the first spring is connected to the sliding frame and the hanging arm.

[0013] In a possible implementation of the insulating ladder provided by the utility model, it also includes a second sliding frame and a second roller. A second accommodating groove is provided at the bottom of the ladder main body. The second sliding frame is elastically arranged in the second accommodating groove, slidingly cooperates with the ladder main body, and has the freedom to slide along the height direction of the ladder main body; the second roller is rotatably connected to the second sliding frame, and the axis of the second roller is parallel to the axis of the first roller. The second roller is suitable for moving with the second sliding frame, protruding or retracting into the second accommodating groove; and when the ladder main body is empty, the second roller protrudes from the second accommodating groove; after the staff climbs up the ladder main body, the second roller retracts into the second accommodating groove.

[0014] In a possible implementation of the insulating ladder provided by the utility model, the ladder body includes two support rods and a plurality of cross bars arranged between the two support rods, the lower end of each support rod is provided with the second accommodating groove, and each second accommodating groove is provided with the second sliding frame and the second roller.

[0015] In a possible implementation of the insulating ladder provided by the utility model, a second guide limit groove is provided on the side of the support rod, the second guide limit groove is connected to the second accommodating groove, and the extension direction of the second guide limit groove is parallel to the height direction of the ladder body; a second limit block is provided on the side of the second sliding frame, the second limit block is slidably matched with the second guide limit groove, and is suitable for sliding along the second guide limit groove; a second spring is provided on the top of the second sliding frame, and the second spring is connected to the sliding frame and the support rod.

[0016] The insulating ladder provided by the utility model has the following beneficial effects: compared with the prior art, the insulating ladder provided by the utility model is provided with a hanging arm on the ladder body. When in use, the hanging arm is hung on a cross arm or a cable. After the worker climbs up the ladder body, the first sliding frame and the first roller retract into the first accommodating groove under the weight of the worker, so that the hanging arm can directly abut against the cross arm or the cable, so that the ladder can be stably erected on the cross arm or the cable; when the ladder needs to be moved, the worker gets off the ladder. At this time, the first sliding frame drives the first roller to protrude downward from the first accommodating groove, so that the roller contacts the cross arm or the cable, and then the ladder is directly pushed horizontally, so that the position of the ladder relative to the cross arm or the cable can be adjusted, which is convenient to operate and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of an insulating ladder provided in an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the main structure of the insulating ladder provided by an embodiment of the utility model;

[0019] Figure 3 For along Figure 2 The partial cross-sectional structure diagram along the AA line;

[0020] Figure 4 For along Figure 2 Partial cross-sectional structure diagram along the BB line;

[0021] Description of reference numerals:

[0022] 10. Ladder body; 11. Support rod; 12. Crossbar; 21. First sliding frame;

[0023] 22. First limit block; 23. First spring; 24. First roller; 31. Second sliding frame;

[0024] 32. Second limit block; 33. Second spring; 34. Second roller; 40. Hanging arm. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0029] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0030] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, and the spatially relative descriptions used here are interpreted accordingly.

[0031] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0032] Please also read Figures 1 to 4 The insulating ladder provided by the utility model is now described. The insulating ladder comprises a ladder body 10, a hanging wall, a first sliding frame 21 and a first roller 24; a hanging arm 40 is arranged at the top of the ladder body 10 and connected to the ladder body 10, and the hanging arm 40 is suitable for hooking on a crossbar or a cable; a first receiving groove is provided on the inner side of the top of the hanging arm 40; the first sliding frame 21 is elastically arranged in the first receiving groove, and slides with the hanging arm 40, and has the freedom to slide along the height direction of the ladder body 10; the first roller 24 is rotatably connected to the first sliding frame 21, and the axis of the first roller 24 is perpendicular to the width direction of the ladder body 10; the first roller 24 is suitable for moving with the first sliding frame 21, protruding or retracting into the first receiving groove; wherein, when the ladder body 10 is vacant, the first roller 24 protrudes from the first receiving groove; after the staff climbs up the ladder body 10, the first roller 24 retracts into the first receiving groove.

[0033] The insulating ladder provided by the utility model has the following beneficial effects: compared with the prior art, the insulating ladder provided by the utility model is provided with a hanging arm 40 on the ladder body 10. When in use, the hanging arm 40 is hung on a crossarm or a cable. After the worker climbs up the ladder body 10, the first sliding frame 21 and the first roller 24 retract into the first receiving groove under the weight of the worker, so that the hanging arm 40 can directly abut against the crossarm or the cable, so that the ladder can be stably erected on the crossarm or the cable; when the ladder needs to be moved, the worker gets off the ladder. At this time, the first sliding frame 21 drives the first roller 24 to protrude downward from the first receiving groove, so that the roller contacts the crossarm or the cable, and then the ladder is directly pushed horizontally, so that the position of the ladder relative to the crossarm or the cable can be adjusted, which is convenient to operate and saves time and effort.

[0034] like Figure 2 and Figure 3 As shown, in a specific implementation manner of the insulating ladder provided in an embodiment of the utility model, the first roller 24 is provided with an arc-shaped groove along the circumference, and the diameter of the arc-shaped groove is greater than or equal to the diameter of the cross arm or the cable, so as to facilitate the cross arm or the cable to be clamped in the arc-shaped groove of the first roller 24 to prevent the first roller 24 from detaching from the cross arm or the cable.

[0035] like Figure 1 and Figure 3 As shown, in a specific implementation manner of the insulating ladder provided in an embodiment of the utility model, a first guide limit groove is provided on the hanging arm 40, the first guide limit groove is connected to the first accommodating groove, and the extension direction of the first guide limit groove is parallel to the height direction of the ladder body 10; a first limit block 22 is provided on the side of the first sliding frame 21, the first limit block 22 is slidably matched with the first guide limit groove, and is suitable for sliding along the first guide limit groove; a first spring 23 is provided on the top of the first sliding frame 21, and the first spring 23 is connected to the sliding frame and the hanging arm 40.

[0036] Specifically, when the ladder is empty, the first spring 23 pushes the first sliding frame 21, causing the first sliding frame 21 to move downward relative to the hanging arm 40 until the first limit block 22 slides to the lowermost side of the first guide limit groove, and the first roller 24 protrudes downward from the first receiving groove and abuts against the cross arm or cable; after the staff climbs up the ladder, the first spring 23 is compressed and the first roller 24 retracts into the receiving groove.

[0037] like Figure 2 and Figure 4As shown, in a specific implementation manner of the insulating ladder provided by an embodiment of the utility model, it also includes a second sliding frame 31 and a second roller 34. A second accommodating groove is provided at the bottom of the ladder body 10. The second sliding frame 31 is elastically arranged in the second accommodating groove, slidingly cooperates with the ladder body 10, and has the freedom to slide along the height direction of the ladder body 10; the second roller 34 is rotatably connected to the second sliding frame 31, and the axis of the second roller 34 is parallel to the axis of the first roller 24, and the second roller 34 is suitable for moving with the second sliding frame 31, protruding or retracting into the second accommodating groove; and when the ladder body 10 is idle, the second roller 34 protrudes from the second accommodating groove to facilitate directly pushing the ladder horizontally and adjusting the position of the ladder; after the staff climbs up the ladder body 10, the second roller 34 retracts into the second accommodating groove, so that the ladder body 10 can directly contact the ground to ensure the stability of the ladder.

[0038] like Figure 2 and Figure 4 As shown, in a specific implementation manner of the insulating ladder provided in an embodiment of the utility model, the ladder body 10 includes two support rods 11 and a plurality of cross bars 12 arranged between the two support rods 11, and the lower end of each support rod 11 is provided with a second accommodating groove, and each second accommodating groove is provided with a second sliding frame 31 and a second roller 34.

[0039] Further, such as Figure 1 and Figure 4 As shown, in a specific implementation manner of the insulating ladder provided in an embodiment of the utility model, a second guide limit groove is opened on the side of the support rod 11, the second guide limit groove is connected to the second accommodating groove, and the extension direction of the second guide limit groove is parallel to the height direction of the ladder body 10; a second limit block 32 is provided on the side of the second sliding frame 31, the second limit block 32 is slidably matched with the second guide limit groove, and is suitable for sliding along the second guide limit groove; a second spring 33 is provided on the top of the second sliding frame 31, and the second spring 33 is connected to the sliding frame and the support rod 11.

[0040] Specifically, when the ladder is empty, the second spring 33 pushes the second sliding frame 31, causing the second sliding frame 31 to move downward relative to the hanging arm 40 until the second limit block 32 slides to the lowermost side of the second guide limit groove, and the second roller 34 protrudes downward from the second receiving groove and abuts against the cross arm or cable; after the staff climbs up the ladder, the second spring 33 is compressed and the second roller 34 retracts into the receiving groove.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An insulating ladder, characterized in that: include: Ladder body; A hanging arm is provided on the top of the ladder body and connected to the ladder body, and the hanging arm is suitable for hooking on a cross arm or a cable; A first receiving groove is provided on the inner side of the top of the hanging arm; A first sliding frame is elastically arranged in the first receiving groove, slidably cooperates with the hanging arm, and has the freedom to slide along the height direction of the ladder body; as well as A first roller is rotatably connected to the first sliding frame, and the axis of the first roller is perpendicular to the width direction of the ladder body; the first roller is suitable for moving with the first sliding frame, protruding from or retracting into the first receiving groove; Wherein, when the ladder body is empty, the first roller protrudes downward from the first receiving groove; after the staff climbs up the ladder body, the first roller retracts into the first receiving groove.

2. The insulating ladder according to claim 1, characterized in that: The first roller is provided with an arc-shaped groove along its circumference, and the diameter of the arc-shaped groove is greater than or equal to the diameter of the cross arm or the cable.

3. The insulating ladder according to claim 1, characterized in that: The hanging arm is provided with a first guide limit groove, the first guide limit groove is connected with the first accommodating groove, and the extension direction of the first guide limit groove is parallel to the height direction of the ladder body; a first limit block is provided on the side of the first sliding frame, the first limit block is slidably matched with the first guide limit groove, and is suitable for sliding along the first guide limit groove; a first spring is provided on the top of the first sliding frame, and the first spring is connected with the sliding frame and the hanging arm.

4. The insulating ladder according to claim 1, characterized in that: The ladder body is equipped with a second sliding frame and a second roller, and a second accommodating groove is provided at the bottom of the ladder body. The second sliding frame is elastically arranged in the second accommodating groove, slidingly cooperates with the ladder body, and has the freedom to slide along the height direction of the ladder body; the second roller is rotatably connected to the second sliding frame, and the axis of the second roller is parallel to the axis of the first roller, and the second roller is suitable for moving with the second sliding frame, protruding downward or retracting into the second accommodating groove; and when the ladder body is empty, the second roller protrudes from the second accommodating groove; after the staff climbs up the ladder body, the second roller retracts into the second accommodating groove.

5. The insulating ladder according to claim 4, characterized in that: The ladder body includes two support rods and a plurality of cross bars arranged between the two support rods. The lower end of each support rod is provided with the second receiving groove, and each second receiving groove is provided with the second sliding frame and the second roller.

6. The insulating ladder according to claim 5, characterized in that: A second guide limit groove is provided on the side of the support rod, the second guide limit groove is connected to the second accommodating groove, and the extension direction of the second guide limit groove is parallel to the height direction of the ladder body; a second limit block is provided on the side of the second sliding frame, the second limit block is slidably matched with the second guide limit groove, and is suitable for sliding along the second guide limit groove; a second spring is provided on the top of the second sliding frame, and the second spring is connected to the sliding frame and the support rod.

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