Operation ladder for operation and maintenance of power grid

Abstract

The utility model provides an operation ladder for power grid operation and maintenance, which comprises connecting rods and an anti-falling assembly, the anti-falling assembly comprises sliding grooves arranged at one ends of the two connecting rods, the interiors of the two sliding grooves are connected with a sliding plate in a sliding manner, through the arrangement of a binding belt, a user can conveniently wind the binding belt on the waist after the user puts up the ladder, and the operation ladder is convenient to use. When the user normally goes up and down, the sliding plate drives the top part and the fixing belt to normally move, and when the user slips out of the hand, the binding belt bound on the waist is subjected to the body gravity of the user, so that the pull ring is broken through the outlet, and the user can conveniently and quickly go up and down. And at the moment, the force borne by the connecting ring disappears, then a spring drives a movable plate and other parts to reset, then a clamping block is inserted into a clamping groove in a clamping plate, limit fixing is conducted, and therefore a user on the fixing belt is limited and prevented from falling down.

Description

Technical Field

[0001] The utility model belongs to the technical field of distribution networks, and particularly relates to a working ladder for power grid operation and maintenance and repair. Background Art

[0002] During the process of power maintenance operations, especially when inspecting the power transmission lines on utility poles, it is often necessary to use a power maintenance ladder for working at heights. After retrieval, the patent application with the application number "CN201810453641.0" discloses "a power maintenance ladder", which records that "a clamping bracket is provided at the top of the upper ladder to prevent side sliding; a telescopic base is provided at the bottom of the lower ladder to improve stability while facilitating carrying and transportation; a safety guardrail is provided to improve the safety of working at heights". By providing a clamping bracket at the top of the upper ladder, side sliding can indeed be prevented, but there are still the following problems in actual use:

[0003] In actual use, if the user's hand slips, it is easy to fall to the ground and get injured or even die.

[0004] Based on this, it is of extremely high practicality to provide a working ladder that can achieve anti-falling in case of slipping. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a working ladder for power grid operation and maintenance and repair, aiming to solve the above technical problems.

[0006] The embodiment of the utility model provides a working ladder for power grid operation and maintenance and repair, which includes a connecting rod and an anti-falling component.

[0007] Wherein, a plurality of handrail plates are arranged in the middle of the two connecting rods;

[0008] The anti-falling component includes sliding grooves respectively opened at one ends of two connecting rods. A sliding plate is slidably connected inside the two sliding grooves. A clamping strip is arranged on the tops of the two sliding plates. A number of limiting rods are arranged inside the clamping strip. A moving plate is slidably connected to the outer walls of the number of limiting rods. One end of the moving plate is provided with a number of springs. The ends of the springs are fixedly connected to one end of the inner wall of the clamping strip. The number of springs are all slidably connected to the limiting rods inside. On both sides of one end edge of the moving plate, clamping blocks are arranged. One end of the moving plate is provided with a fixed block. One end of the fixed block penetrates through the clamping strip and is provided with a connecting ring. A pull ring is inserted and connected inside the connecting ring. An outlet is opened at one end of the pull ring. Two straps are arranged at one end of the pull ring. Fixed straps are arranged at one ends of the two sliding plates. A metal D-ring is arranged at one end of one of the fixed straps. Connecting frames are arranged on one sides of the two connecting rods. Connecting grooves are respectively opened on one sides of the two connecting frames. The clamping strip is slidably connected inside the two connecting grooves. Clamping plates are arranged inside the two connecting frames. Clamping grooves are respectively opened inside the two clamping plates. One of the clamping grooves is inserted and connected with the clamping block.

[0009] In an implementation scheme of the present utility model, anti-slip pads are arranged on the tops of one ends of the two connecting rods.

[0010] In an implementation scheme of the present utility model, anti-slip grooves are respectively opened on the tops of the number of handrail plates.

[0011] In an implementation scheme of the present utility model, insulating coatings are coated on the outer walls of the two connecting rods and the handrail plates.

[0012] In an implementation scheme of the present utility model, the two connecting rods and the handrail plates are all cast from metallic chromium.

[0013] In an implementation scheme of the present utility model, the fixed strap is made of cowhide material.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] With the provided straps, it is convenient for the user to start climbing after setting it up. When climbing, the user wraps the strap around the waist and pulls the pull ring through the strap, and the pull ring exerts force on the connecting ring. The connecting ring transmits the force to the fixed block, then pulls the fixed block to move. The movement of the fixed block causes the moving plate to move along the limiting rod, and then the spring contracts. The movement of the moving plate drives the clamping block to move. After the binding is completed, the user fixes it to the waist with the fixed strap and the metal D-ring. When the user moves up and down normally, the sliding plate drives the top parts and the fixed strap to move normally. When the user loses hold, the strap around the waist is subjected to the body gravity of the user, causing the pull ring to burst open through the outlet and then separate from the connecting ring. At this time, the force on the connecting ring disappears, and then the spring drives the moving plate and other parts to reset, and then the clamping block is inserted into the clamping groove in the clamping plate for ultimate fixation, so as to limit the user on the fixed strap and prevent them from falling, thus achieving the purpose of anti-falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the present invention;

[0018] Figure 2 is an enlarged schematic structural diagram of the clamping strip of the present invention;

[0019] Figure 3 is an enlarged schematic structural diagram of the interior of the connection frame of the present invention;

[0020] Figure 4 is a perspective enlarged schematic diagram of the top of the clamping strip of the present invention.

[0021] In the figure: 100, connecting rod; 110, handrail plate; 200, anti-falling assembly; 210, sliding plate; 220, clamping strip; 230, limiting rod; 240, moving plate; 250, spring; 260, clamping block; 270, fixed block; 280, connecting ring; 290, pull ring; 2910, strap; 2920, fixed strap; 2930, metal D-ring; 2940, connection frame; 2950, clamping plate; 300, anti-slip pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-4 , an operation ladder for power grid operation and maintenance, including a connecting rod 100 and a fall prevention component 200.

[0025] Specifically, please refer to Figure 1 , several handrail plates 110 are arranged in the middle of the two connecting rods 100.

[0026] Please refer to Figures 1-4 , the fall prevention component 200 includes sliding grooves respectively opened at one end of the two connecting rods 100. A sliding plate 210 is slidably connected inside the two sliding grooves. A clamping strip 220 is arranged at the top of the two sliding plates 210. Several limiting rods 230 are arranged inside the clamping strip 220. A moving plate 240 is slidably connected to the outer walls of the several limiting rods 230. One end of the moving plate 240 is provided with several springs 250. The ends of the springs 250 are fixedly connected to one end of the inner wall of the clamping strip 220. The inside of the several springs 250 are all slidably connected to the limiting rods 230. Both sides of the edge of one end of the moving plate 240 are provided with clamping blocks 260. One end of the moving plate 240 is provided with a fixed block 270. One end of the fixed block 270 penetrates through the clamping strip 220 and is provided with a connecting ring 280. A pull ring 290 is inserted into the inside of the connecting ring 280. An outlet is opened at one end of the pull ring 290. Two binding straps 2910 are arranged at one end of the pull ring 290. One end of each of the two sliding plates 210 is provided with a fixed strap 2920. One end of one of the fixed straps 2920 is provided with a metal D-ring 2930. Connecting frames 2940 are arranged on one side of the two connecting rods 100. Connecting grooves are respectively opened on one side of the two connecting frames 2940. Clamping plates 2950 are arranged inside the two connecting frames 2940. Clamping grooves are respectively opened inside the two clamping plates 2950. One of the clamping grooves is inserted and connected with the clamping block 260.

[0027] In a specific embodiment, through the provided strap 2910, when the user finishes setting it up and starts climbing, the user winds the strap 2910 around the waist, and by means of the strap 2910, the pull ring 290 is stressed and then pulls the connecting ring 280. The connecting ring 280 transmits the force to the fixing block 270 when stressed, then pulls the fixing block 270 to move. The movement of the fixing block 270 causes the moving plate 240 to move on the limiting rod 230, and then the spring 250 contracts. The movement of the moving plate 240 will drive the clamping block 260 to move. When the binding is completed, the user fixes it to the user's waist through the fixing strap 2920 and the metal D-ring 2930. When the user moves up and down normally, the sliding plate 210 drives the top parts thereof and the fixing strap 2920 to move normally. When the user loses hold, the strap 2910 tied around the waist is subjected to the body gravity of the user, and then the pull ring 290 bursts open through the outlet and disengages from the connecting ring 280. At this time, the force received by the connecting ring 280 disappears, and then the spring 250 drives the moving plate 240 and other parts to reset, and then the clamping block 260 is inserted into the clamping groove in the clamping plate 2950 for ultimate fixation, so as to limit the user on the fixing strap 2920 and prevent the user from falling, thus achieving the purpose of anti-falling.

[0028] Please refer to Figures 1-4 One end of the top of each of the two connecting rods 100 is provided with an anti-slip pad 300.

[0029] In a specific embodiment, through the provided anti-slip pad 300, when the user is using it, it is convenient for the user to prevent slipping and resulting in unstable erection when the anti-slip pad 300 abuts against the tower wall, further improving the stability.

[0030] Please refer to Figures 1-4 The tops of several handrail plates 110 are all provided with anti-slip grooves.

[0031] In a specific embodiment, through the provided anti-slip grooves, when the user is grasping, it is convenient to use the anti-slip grooves to prevent slipping, avoiding the situation of the user losing hold during use, and further increasing the safety of the user.

[0032] Please refer to Figures 1-4 The outer walls of the two connecting rods 100 and the handrail plates 110 are all coated with insulating paint.

[0033] In a specific embodiment, through the provided insulating paint, it is convenient to avoid the situation of electric conduction during use, further increasing the safety of the user.

[0034] Please refer to Figures 1-4 The two connecting rods 100 and the handrail plates 110 are all cast from metallic chromium.

[0035] In a specific embodiment, by providing chromium metal, it is convenient to utilize the characteristics of chromium metal when using the connecting rod 100 and the armrest plate 110, thereby making the connecting rod 100 and the armrest plate 110 more stable and firm.

[0036] Please refer to Figures 1-4 The fixing strap 2920 is made of cowhide material.

[0037] In a specific embodiment, by providing the cowhide material, it is convenient to make the fixing strap 2920 more stable when using it, avoiding the situation of breakage during use and improving the stability.

[0038] During use, first, by providing the strap 2910, it is convenient for the user to start climbing after setting it up. The user winds the strap 2910 around the waist, and through the strap 2910, the pull ring 290 is stressed and then pulls the connecting ring 280. The connecting ring 280 transmits the force to the fixed block 270, then pulls the fixed block 270 to move. The movement of the fixed block 270 causes the moving plate 240 to move on the limiting rod 230, and then the spring 250 contracts. The movement of the moving plate 240 will drive the clamping block 260 to move. After binding is completed, the user fixes it to the user's waist through the fixing strap 2920 and the metal D-ring 2930. When the user moves up and down normally, the sliding plate 210 drives its top parts and the fixing strap 2920 to move normally. When the user loses hold, then the strap 2910 tied to the waist is subjected to the body gravity of the user, causing the pull ring 290 to burst open through the outlet and then disengage from the connecting ring 280. At this time, the force received by the connecting ring 280 disappears, and then the spring 250 drives the moving plate 240 and other parts to reset, causing the clamping block 260 to insert into the clamping groove in the clamping plate 2950 for ultimate fixation, finally limiting the user on the fixing strap 2920 to prevent them from falling, thereby achieving the purpose of anti-falling.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An operation ladder for power grid operation and maintenance, characterized in that, Including: Connecting rods (100), with a number of armrest plates (110) arranged in the middle of the two connecting rods (100); Anti-falling component (200), the anti-falling component (200) includes sliding grooves both opened at one end of the two connecting rods (100), a sliding plate (210) is slidably connected inside the two sliding grooves, a clamping strip (220) is arranged at the top of the two sliding plates (210), a number of limiting rods (230) are arranged inside the clamping strip (220), a moving plate (240) is slidably connected to the outer walls of the number of limiting rods (230), one end of the moving plate (240) is provided with a number of springs (250), the ends of the springs (250) are fixedly connected to one end of the inner wall of the clamping strip (220), the inside of the number of springs (250) is slidably connected to the limiting rods (230), clamping blocks (260) are arranged on both sides of the edge of one end of the moving plate (240), a fixing block (270) is arranged at one end of the moving plate (240), a connecting ring (280) is arranged through the clamping strip (220) at one end of the fixing block (270), a pull ring (290) is inserted and connected inside the connecting ring (280), an outlet is opened at one end of the pull ring (290), two straps (2910) are arranged at one end of the pull ring (290), fixing straps (2920) are arranged at one end of the two sliding plates (210), a metal D-ring (2930) is arranged at one end of one of the fixing straps (2920), connecting frames (2940) are arranged on one side of the two connecting rods (100), connecting grooves are opened on one side of the two connecting frames (2940), the inside of the two connecting grooves is slidably connected to the clamping strip (220), clamping plates (2950) are arranged inside the two connecting frames (2940), clamping grooves are opened inside the two clamping plates (2950), and one of the clamping grooves is inserted and connected to the clamping block (260).

2. The working ladder for power grid operation and maintenance according to claim 1, characterized in that: Anti-slip pads (300) are arranged at the top of one end of the two connecting rods (100).

3. The working ladder for power grid operation and maintenance according to claim 2, characterized in that: Anti-slip grooves are opened at the top of the number of armrest plates (110).

4. The working ladder for power grid operation and maintenance according to claim 3, characterized in that: Insulating coatings are coated on the outer walls of the two connecting rods (100) and the armrest plates (110).

5. The working ladder for power grid operation and maintenance and repair according to claim 4, wherein: The two connecting rods (100) and the armrest plates (110) are all cast from metallic chromium.

6. The working ladder for power grid operation and maintenance according to claim 1, characterized in that: The fixing strap (2920) is made of cowhide material.

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