A substation optical cable maintenance climbing guard structure

Abstract

The utility model discloses a transformer substation optical cable maintenance climb protection structure, including support pole, still including protection mechanism, the protection mechanism includes left ladder frame, right ladder frame, ladder board, vertical rod A, plug -in board, fixed base, pivot, movable pin, limit stop, movable seat A, sliding block A, push rod, sleeve ring A and spout A, the support pole surface both sides are fixedly connected with left ladder frame and right ladder frame and are welded with ladder board between left ladder frame and right ladder frame, movable seat A, sliding block A and push rod move up in the personnel climbing process, when push rod contact movable pin, will drive it around pivot rotation, further does not influence the personnel's climb, limit stop restricts movable pin to move down, when the such as empty foot falling occurs, safety belt drives movable seat A to move down, and push rod synchronous moves down in the process will be movable pin and stop movable seat A's moving down, realizes the protection to personnel, avoids personnel falling, has improved the security in the personnel climbing operation process, reduced the personnel operation amount in the climbing process.

Description

Technical Field

[0001] This utility model relates to the field of power maintenance auxiliary tools, and in particular to a climbing and protective structure for substation optical cable maintenance. Background Technology

[0002] A substation is a place in a power system that transforms voltage and current, receives electrical energy, and distributes electrical energy. The main equipment in a substation includes transformers, power distribution devices, and control equipment. During operation, substations require regular maintenance and repair. For some components in a substation, such as OPGW optical cables and electrical cables, which are installed at high positions, maintenance personnel need to work at heights.

[0003] Existing high-altitude maintenance operations in substations have the following drawbacks: OPGW optical cables and electrical cables commonly found in substations are usually directly installed on top of utility poles, while ladders are generally placed on the surface of the poles. Safety belts provide protection during high-altitude operations, but as the user moves upwards, the end of the safety belt needs to be constantly moved, and after climbing several steps, the safety belt buckle needs to be removed and fastened to the outer perimeter of a higher ladder board. The operation is cumbersome, and safety components also need to be constantly adjusted during the climbing process. Therefore, we propose a climbing protection structure for substation optical cable maintenance. Utility Model Content

[0004] The main objective of this invention is to provide a climbing protection structure for substation optical cable maintenance. By setting a protective mechanism on the surface of the support pole, the amount of work required for personnel to climb and ascend can be reduced, ensuring the safety of personnel during the climbing operation, and effectively solving the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A climbing protection structure for fiber optic cable maintenance in a substation includes a support rod and a protection mechanism. The protection mechanism includes a left ladder, a right ladder, a ladder plate, a vertical rod A, a insert plate, a fixed seat, a rotating shaft, a movable pin, a limit block, a movable seat A, a slider A, a lever, a collar A, and a sliding groove A. The left ladder and the right ladder are fixedly connected to both sides of the support rod, and a ladder plate is welded between the left and right ladders. The left ladder has a sliding groove A on its surface, and a vertical rod A is vertically fixedly connected inside the left ladder. The surface of the left ladder is away from the ladder plate. A plate is inserted into one side, and a fixed seat is fixedly connected to the surface of the plate and inserted into the interior of the left ladder frame. A movable pin is movably connected inside the fixed seat via a rotating shaft, and the end of the movable pin extends to the outside of the fixed seat. A limit block is welded to the inner wall of the fixed seat near the movable pin. A movable seat A is slidably connected to the surface of the left ladder frame, and a slider A extending into the interior of a slide groove A is installed on one side of the surface of the movable seat A. A lever is fixedly connected to the surface of the slider A facing the movable pin. A collar A is welded to the surface of the movable seat A away from the slider A.

[0007] Furthermore, it also includes a speed limiting mechanism. The right ladder frame is internally equipped with a speed limiting mechanism, which includes a slide groove B, a vertical rod B, a movable seat B, a slider B, a spring, an end block, a connecting rod, a retaining ring, a pull rod, and a collar B. The right ladder frame has a slide groove B on its surface and a vertical rod B inside. A movable seat B is movably connected to the surface of the right ladder frame, and a slider B extending into the slide groove B is mounted on one side of the movable seat B. An end block, fitted to one side of the vertical rod B, is movably connected to the end of the slider B via a spring. A retaining ring, fitted to the other side of the vertical rod B, is mounted on the surface of the end block via a connecting rod. A pull rod extending to the outside of the movable seat B is fixedly connected to the side of the end block facing the movable seat B, and a collar is welded to the end of the pull rod. B; A speed limiting mechanism is located on the surface of the right ladder frame. Under normal conditions, the movable seat B is located at the top of the right ladder frame. When it needs to move down, the end of the safety belt is fastened to the outer circumference of the collar B, and then it moves down. During the downward movement, the slider B moves down along the slide groove B and drives the end block and the retaining ring to move down. Under normal downward movement, the spring pushes the retaining ring and the end block to reduce the friction between them and the vertical bar B, so that the movable seat B can move down slowly under the pull of the human body. When a dangerous situation such as stepping into a hole or falling occurs, the human body falls rapidly. The safety belt pulls the pull rod and compresses the spring. At the same time, the retaining ring is pressed against the surface of the vertical bar B. The friction between the retaining ring and the vertical bar B plays a damping role, so that the movable seat B cannot move down rapidly, thus protecting the safety of the personnel during the descent.

[0008] Furthermore, the left ladder frame surface has insertion holes at both the upper and lower ends, and the insertion plate surface has insertion rods fixedly connected to both the upper and lower ends, which are inserted into the insertion holes; when the insertion plate is installed, the insertion rods are inserted into the insertion holes, connecting the insertion plate and the left ladder frame together.

[0009] Furthermore, the slider A has a through hole inside and the vertical rod A passes through the through hole; the vertical rod A passes through the through hole, thereby connecting the slider A and the vertical rod A together.

[0010] Furthermore, a fixing plate is welded to the top of the right ladder frame surface, and a magnetic sheet is embedded in the top of the movable seat B; when the movable seat B moves up to the top of the right ladder frame, the magnetic sheet is attracted to the surface of the fixing plate, thereby fixing the position of the movable seat B.

[0011] Compared with the prior art, this utility model has the following advantages: A ladder plate structure is provided between the left and right ladder frames. Maintenance personnel can climb through the ladder plate structure to inspect and maintain components such as OPGW optical cables and electrical cables that are installed at higher levels in the substation. When climbing, the end of the safety belt can be fastened to the outside of the collar A. The insert plate is installed in place. During the personnel's climbing process, the movable seat A is driven upward, and the slider A and the lever move upward. When the lever contacts the movable pin, it will drive it to rotate around the pivot, thus not affecting the personnel's climbing. The limit block restricts the downward movement of the movable pin. In the event of a misstep or fall, the safety belt drives the movable seat A downward. During the synchronous downward movement of the lever, it will be blocked by the movable pin, thus stopping the downward movement of the movable seat A, thereby protecting the personnel and preventing them from falling. When it is necessary to reset the movable seat A, simply pull the insert plate out to remove the movable pin, and the movable seat A can slide along the groove. A and vertical bar A slide down to the bottom position, improving the safety of personnel during climbing operations and reducing the amount of manual labor involved. A speed limiting mechanism is located on the surface of the right ladder frame. Under normal conditions, the movable seat B is located at the top of the right ladder frame. When it needs to move down, the end of the safety belt is fastened to the outer circumference of the collar B, and then it moves down. During the downward movement, the slider B moves down along the slide groove B, driving the end block and the retaining ring to move down as well. Under normal downward movement, the spring pushes the retaining ring and the end block, reducing the friction between them and the vertical bar B, allowing the movable seat B to move down slowly under the pull of the human body. In the event of a misstep, fall, or other dangerous situation, the human body falls rapidly. The safety belt pulls the pull rod and compresses the spring. At the same time, the retaining ring is pressed against the surface of the vertical bar B. The friction between the retaining ring and the vertical bar B acts as a damping force, preventing the movable seat B from moving down rapidly and thus protecting the safety of the personnel during the descent. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of a substation optical cable maintenance climbing protection structure according to the present invention.

[0013] Figure 2 This is a schematic diagram of the left ladder and insert plate structure of a climbing protection structure for substation optical cable maintenance according to this utility model.

[0014] Figure 3 This is a schematic diagram of the internal structure of the fixed base of the substation optical cable maintenance climbing protection structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the movable seat A and slider A of the substation optical cable maintenance climbing protection structure of this utility model.

[0016] Figure 5 This is a schematic diagram of the internal structure of the right ladder frame of the substation optical cable maintenance climbing protection structure of this utility model.

[0017] Figure 6 This is a schematic diagram of the installation structure of the movable seat B and slider B of the substation optical cable maintenance climbing protection structure of this utility model.

[0018] Figure 7 This is a schematic diagram of the retaining ring and end block structure of a substation optical cable maintenance climbing protection structure according to the present invention.

[0019] In the diagram: 1. Support rod; 2. Protective mechanism; 201. Left ladder frame; 202. Right ladder frame; 203. Ladder plate; 204. Vertical rod A; 205. Insertion hole; 206. Insertion plate; 207. Insertion rod; 208. Fixed seat; 209. Rotating shaft; 210. Movable pin; 211. Limiting block; 212. Movable seat A; 213. Slider A; 214. Through hole; 215. Lever; 216. Collar A; 217. Slide groove A; 3. Speed ​​limiting mechanism; 301. Slide groove B; 302. Vertical rod B; 303. Movable seat B; 304. Slider B; 305. Spring; 306. End block; 307. Connecting rod; 308. Snap ring; 309. Pull rod; 310. Collar B; 311. Fixed plate; 312. Magnetic sheet. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figures 1-7As shown, a climbing protection structure for fiber optic cable maintenance in a substation includes a support rod 1 and a protection mechanism 2. The protection mechanism 2 includes a left ladder 201, a right ladder 202, a ladder plate 203, a vertical rod A204, a plug plate 206, a fixed seat 208, a rotating shaft 209, a movable pin 210, a limiting block 211, a movable seat A212, a slider A213, a lever 215, a collar A216, and a sliding groove A217. The left ladder 201 and the right ladder 202 are fixedly connected to both sides of the surface of the support rod 1, and a ladder plate 203 is welded between the left ladder 201 and the right ladder 202. The surface of the left ladder 201 has a sliding groove A217, and a vertical rod A204 is vertically fixedly connected inside the left ladder 201. The surface of the left ladder 201 is far from the sliding groove A217. A plate 206 is inserted into the side of the ladder plate 203, and a fixed seat 208 is fixedly connected to the surface of the plate 206 and inserted into the interior of the left ladder frame 201. A movable pin 210 is movably connected inside the fixed seat 208 through a rotating shaft 209, and the end of the movable pin 210 extends to the outside of the fixed seat 208. A limit block 211 is welded to the inner wall of the fixed seat 208 near the movable pin 210. A movable seat A212 is slidably connected to the surface of the left ladder frame 201, and a slider A213 extending into the slide groove A217 is installed on one side of the surface of the movable seat A212. A lever 215 is fixedly connected to the surface of the slider A213 facing the movable pin 210. A collar A216 is welded to the surface of the movable seat A212 away from the slider A213.

[0022] The system also includes a speed limiting mechanism 3. The right ladder frame 202 has a speed limiting mechanism 3 inside. The speed limiting mechanism 3 includes a slide groove B301, a vertical rod B302, a movable seat B303, a slider B304, a spring 305, an end block 306, a connecting rod 307, a retaining ring 308, a pull rod 309, and a collar B310. The right ladder frame 202 has a slide groove B301 on its surface and a vertical rod B302 inside. A movable connecting rod is movably connected to the surface of the right ladder frame 202. A slider B304 extending into the slide groove B301 is mounted on one side of the surface of the movable seat B303. The end of the slider B304 is movably connected to an end block 306 that fits against one side of the surface of the vertical rod B302 via a spring 305. A retaining ring 308 that fits against the other side of the surface of the vertical rod B302 is mounted on the surface of the end block 306 via a connecting rod 307. An extension reaching outside the movable seat B303 is fixedly connected to the side of the end block 306 facing the movable seat B303. A pull rod 309 is provided, and a collar B310 is welded to the end of the pull rod 309. A speed limiting mechanism 3 is provided on the surface of the right ladder frame 202. Under normal conditions, the movable seat B303 is located at the top of the right ladder frame 202. When it is necessary to move downward, the end of the safety belt is fastened to the outer circumference of the collar B310, and then it moves downward. During the downward movement, the slider B304 moves downward along the slide groove B301 and drives the end block 306 and the retaining ring 308 to move downward. Under normal downward movement, the spring 305 pushes the retaining ring 308 and the end block. 306 reduces friction between the seat and the vertical bar B302, allowing the movable seat B303 to slowly descend under the pull of the human body. In the event of a misstep or fall, the human body falls rapidly, the safety belt pulls the lever 309 and compresses the spring 305, while the retaining ring 308 adheres tightly to the surface of the vertical bar B302. The friction between the retaining ring 308 and the vertical bar B302 acts as a damping force, preventing the movable seat B303 from descending rapidly and thus protecting the safety of personnel during the descent.

[0023] The left ladder frame 201 has insertion holes 205 at both its upper and lower ends. The insertion plate 206 has insertion rods 207 fixedly connected to both its upper and lower ends, which are inserted into the insertion holes 205. The slider A213 has a through hole 214 inside, and the vertical rod A204 passes through the through hole 214. When the insertion plate 206 is installed, the insertion rods 207 are inserted into the insertion holes 205, connecting the insertion plate 206 and the left ladder frame 201 together. The vertical rod A204 passes through the through hole 214, thereby connecting the slider A213 and the vertical rod A204 together.

[0024] The right ladder frame 202 has a fixed plate 311 welded to the top surface, and the movable seat B303 has a magnetic sheet 312 embedded in its top end. When the movable seat B303 moves to the top of the right ladder frame 202, the magnetic sheet 312 is attracted to the surface of the fixed plate 311, thereby fixing the position of the movable seat B303.

[0025] It should be noted that this utility model is a climbing and protective structure for substation optical cable maintenance. In use, a ladder plate 203 structure is provided between the left ladder frame 201 and the right ladder frame 202. Maintenance personnel climb using the ladder plate 203 structure to inspect and maintain OPGW optical cables, electrical cables, and other components installed at higher elevations in the substation. During climbing, the end of the safety belt can be fastened to the outside of the collar A216, and the insert plate 206 is installed in place. During the climbing process, the movable seat A212 is moved upwards, and the slider A213 and the lever 215 move upwards. When lever 215 contacts movable pin 210, it causes pin 210 to rotate around pivot 209, thus not affecting personnel climbing. Limit block 211 restricts the downward movement of movable pin 210. In the event of a fall, the safety belt causes movable seat A212 to move downward. During the synchronous downward movement of lever 215, it is blocked by movable pin 210, thus stopping the downward movement of movable seat A212 and protecting personnel from falls. When it is necessary to reset movable seat A212, simply pull out insert plate 206 to remove movable pin 210, and movable seat A212 will be reset. It can slide down along the slide rail A217 and the vertical bar A204 to the bottom position, improving the safety of personnel during the climbing operation and reducing the amount of personnel operation during the climbing process; a speed limiting mechanism 3 is provided on the surface of the right ladder frame 202. Under normal conditions, the movable seat B303 is located at the top of the right ladder frame 202. When it is necessary to move down, the end of the safety belt is fastened to the outer circumference of the collar B310, and then it moves down. During the downward movement, the slider B304 moves down along the slide rail B301 and drives the end block 306 and the retaining ring 308 to move down. Under normal downward movement conditions Spring 305 pushes the retaining ring 308 and end block 306, reducing the friction between them and the vertical rod B302, allowing the movable seat B303 to slowly move down under the pull of the human body. In the event of a misstep or fall, the human body falls rapidly, the safety belt pulls the pull rod 309 and compresses the spring 305, and at the same time the retaining ring 308 is pressed against the surface of the vertical rod B302. The friction between the retaining ring 308 and the vertical rod B302 acts as a damping force, preventing the movable seat B303 from moving down rapidly, thus protecting the safety of the personnel during the descent.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A climbing protection structure for fiber optic cable maintenance in a substation, comprising a support pole (1), characterized in that, It also includes a protective mechanism (2), which includes a left ladder frame (201), a right ladder frame (202), a ladder plate (203), a vertical rod A (204), a insert plate (206), a fixed seat (208), a rotating shaft (209), a movable pin (210), a limiting block (211), a movable seat A (212), a slider A (213), a lever (215), a collar A (216), and a groove A (217). The left ladder frame (201) and the right ladder frame (202) are fixedly connected to both sides of the support rod (1), and a ladder plate (203) is welded between the left ladder frame (201) and the right ladder frame (202). A groove A (217) is opened on the surface of the left ladder frame (201), and a vertical rod A (204) is vertically fixedly connected inside the left ladder frame (201). The surface of the left ladder frame (201) is far away from the ladder plate (203). A side-inserted plate (206) is connected to the side, and a fixed seat (208) is fixedly connected to the surface of the plate (206) and inserted into the interior of the left ladder frame (201). A movable pin (210) is movably connected inside the fixed seat (208) via a rotating shaft (209), and the end of the movable pin (210) extends to the outside of the fixed seat (208). A limit block (211) is welded to the inner wall of the fixed seat (208) near the movable pin (210). A movable seat A (212) is slidably connected to the surface of the left ladder frame (201), and a slider A (213) extending into the slide groove A (217) is installed on one side of the surface of the movable seat A (212). A lever (215) is fixedly connected to the surface of the slider A (213) facing the movable pin (210). A collar A (216) is welded to the surface of the movable seat A (212) away from the slider A (213).

2. The substation optical cable maintenance climbing protection structure according to claim 1, characterized in that: It also includes a speed limiting mechanism (3). The right ladder frame (202) is provided with a speed limiting mechanism (3). The speed limiting mechanism (3) includes a slide groove B (301), a vertical rod B (302), a movable seat B (303), a slider B (304), a spring (305), an end block (306), a connecting rod (307), a retaining ring (308), a pull rod (309), and a collar B (310). The right ladder frame (202) has a slide groove B (301) on its surface and a vertical rod B (302) inside its interior. The right ladder frame (202) is movably connected to a movable seat B (303). A slider B (304) extending into the groove B (301) is installed on one side of surface B (303). The end of slider B (304) is movably connected to an end block (306) that fits against one side of surface of vertical rod B (302) via spring (305). A retaining ring (308) that fits against the other side of surface of vertical rod B (302) is installed on the surface of end block (306) via connecting rod (307). A pull rod (309) extending to the outside of movable seat B (303) is fixedly connected to the side of end block (306) facing movable seat B (303), and a collar B (310) is welded to the end of pull rod (309).

3. The substation optical cable maintenance climbing protection structure according to claim 1, characterized in that: The left ladder (201) has insertion holes (205) at both the top and bottom ends, and the insertion plate (206) has insertion rods (207) fixedly connected to both the top and bottom ends of the insertion holes (205).

4. The substation optical cable maintenance climbing protection structure according to claim 1, characterized in that: The slider A (213) has a through hole (214) inside, and the vertical rod A (204) passes through the through hole (214).

5. The substation optical cable maintenance climbing protection structure according to claim 2, characterized in that: A fixing plate (311) is welded to the top of the surface of the right ladder frame (202), and a magnetic sheet (312) is embedded in the top of the interior of the movable seat B (303).

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