Power transmission line iron tower lifting device

Abstract

The utility model provides a power transmission line iron tower lifting device, which belongs to the technical field of power maintenance equipment and comprises a support frame, a traction motor and a lifting cabin, a pulley block is arranged at the top of the support frame, a traction rope is arranged below the pulley block, the lifting cabin is arranged below the traction rope, a cabin door is arranged on the front side of the lifting cabin, and a connecting plate is arranged at the top of the lifting cabin. A fence frame is arranged on one side face of the lifting bin, a fence plate is arranged in the fence frame, a supporting plate is welded to the bottom of the side face of the fence frame, positioning assemblies are arranged on the two sides of the supporting plate, and a crawling ladder is arranged on the front portion of the supporting plate and fixed to one side face of the connecting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of power maintenance equipment, in particular to a lifting device for a transmission line iron tower. Background Technique

[0002] Ultra-high voltage transmission line iron towers are widely used in power grids. The installation and maintenance of ultra-high voltage transmission line equipment often require construction workers to climb the iron towers. Usually, equipment such as manned shaft elevators, construction hoists, and iron tower climbing machines are used to transport construction workers and equipment to the upper part of the iron tower.

[0003] However, the existing lifting equipment needs to be assembled on site during use, and the fixing frame at the bottom is relatively small with limited safety. When the manned and material lifting cabin inside reaches the designated position, there is often a certain distance from the iron tower. And it is not convenient to get out of the cabin from this distance to the climbing position on the iron tower. It is necessary to climb directly from the cabin door to the scaffold on the iron tower when the cabin door of the lifting cabin is opened, resulting in a reduction in safety protection and inconvenience for construction workers to climb the tower for maintenance. To solve the above problems, a lifting device for a transmission line iron tower is now proposed to solve the above problems. Content of the Utility Model

[0004] In view of this, the utility model provides a lifting device for a transmission line iron tower. The utility model can lift the lifting cabin by starting the traction motor and using a pulley group with a hook when a person enters the lifting cabin. When reaching the height of the iron tower to be repaired, the bolt is opened, so that the positioning groove is disconnected from the bolt and the door bolt is disconnected from the bolt. The railing is rotated towards the direction of the lifting cabin through the rotating shaft, and then the railing is opened. People can stand on the support plate. The support plate is supported by the upper positioning block, the lower positioning block and the support rod to enable people to stand. Before entering the support plate, a differential anti-falling device can be used in combination with a safety rope loop and the climbing equipment and safety equipment worn by oneself to be fixed and climb up using a ladder, thereby improving the safety of climbing directly upwards from the cabin door, improving the safety protection measures, and facilitating the construction workers to climb the tower for maintenance.

[0005] To solve the above technical problems, the utility model provides a lifting device for a transmission line iron tower, including a support frame, a traction motor and a lifting cabin. A pulley group is arranged at the top of the support frame, a traction cable is arranged below the pulley group, a lifting cabin is arranged below the traction cable. A cabin door is arranged on the front of the lifting cabin, a connecting plate is arranged at the top of the lifting cabin, a railing frame is arranged on one side of the lifting cabin, a railing is arranged inside the railing frame, a support plate is welded at the bottom of the side of the railing frame, positioning components are arranged on both sides of the support plate, a ladder is arranged in front of the support plate, and the ladder is fixed to one side of the connecting plate.

[0006] The positioning components include an upper positioning block for connecting with the lifting cabin and a lower positioning block for connecting with the support plate. One end of the upper positioning block is fixed to the side of the lifting cabin, and the lower positioning block is fixed to the upper surface of the rear part of the support plate.

[0007] A support rod for connecting the upper positioning block and the lower positioning block is inclined between the upper positioning block and the lower positioning block. One end of the support rod is fixed to the upper positioning block, and the other end of the support rod is fixed to the lower positioning block.

[0008] A positioning port for the rotation of the rotating shaft is vertically penetrated through one side of the railing. A positioning port for fixedly installing the rotating shaft is embedded in the inner wall of the railing corresponding to the railing frame. A rotating shaft for driving the railing to rotate is fixedly arranged in the positioning port.

[0009] A bolt for fixing the bolt is arranged on the inner surface of the other side of the railing. A bolt for preventing the railing from moving is arranged in the bolt. A positioning groove for inserting and pulling out the bolt is arranged behind the lifting bin. An insertion port communicating the positioning groove with the lifting bin is arranged between the positioning groove and the bolt. The insertion port penetrates through the bin wall of the lifting bin, and the positioning groove corresponds to the bolt.

[0010] A differential anti-falling device for preventing maintenance personnel from falling is fixedly arranged at the top of the connecting plate. A safety rope loop for inserting and fixing the safety rope in the differential anti-falling device is arranged below the differential anti-falling device. The interface end of the differential anti-falling device corresponds to the safety rope loop.

[0011] The pulley block includes a pulley bracket for fixing the pulley, a fixed pulley and a movable pulley. The pulley bracket is symmetrically provided with a fixed pulley for changing the direction of the force. The fixed pulley is connected to the upper end of the traction rope. The traction motor is connected to the fixed pulley. The lower end of the traction rope is connected to the movable pulley. A hook for lifting the lifting bin is arranged below the movable pulley.

[0012] An elevator lifting beam for facilitating the lifting of the hook is arranged in the middle of the top of the connecting plate. The elevator lifting beam corresponds to and cooperates with the hook. A motor bracket for fixing the traction motor is arranged at the bottom of the traction motor. The motor bracket is fixed to the side wall of the support frame.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When personnel enter the lifting bin and start the traction motor, the pulley block is paired with the hook to lift the lifting bin. When reaching the height where the iron tower needs to be repaired, the bolt is opened, so that the positioning groove is disconnected from the bolt and the bolt on the door bolt is disconnected from the bolt. The railing is rotated towards the direction of the lifting bin through the rotating shaft, and then the railing is opened. Personnel can stand on the support plate. The support plate is supported by the upper positioning block, the lower positioning block and the support rod for people to stand. Then climb up the iron tower through the ladder, which improves the safety protection measures and facilitates the construction personnel to climb the tower for maintenance.

[0015] 2. A motor bracket for fixing the traction motor is arranged at the bottom of the traction motor. The motor bracket is fixed to the side wall of the support frame to prevent the traction motor from falling.

[0016] 3. Before entering the support plate, a differential anti-falling device can be used in combination with a safety rope loop to fix it to the climbing and safety equipment worn by oneself, and then use a ladder to climb upward, thereby improving the safety of climbing directly upward from the hatch. Description of the Drawings

[0017] Figure 1 Schematic diagram of the main structure of a lifting device for a transmission line iron tower of the present utility model;

[0018] Figure 2 Side view cross-sectional view of the present utility model;

[0019] Figure 3 Partial side view cross-sectional view of the present utility model;

[0020] Figure 4 Partial side view cross-sectional view of the present utility model;

[0021] Figure 5 Side view cross-sectional view of the present utility model;

[0022] Figure 6 Partial A cross-sectional view of the present utility model.

[0023] Description of the reference numerals in the drawings: 100, support frame; 101, traction motor; 102, lifting cabin; 200, pulley block; 201, traction cable; 202, pulley support; 203, fixed pulley; 204, movable pulley; 205, hook; 206, elevator lifting beam; 207, motor support; 300, hatch; 301, connecting plate; 302, railing frame; 303, railing board; 304, support plate; 305, positioning assembly; 306, upper positioning block; 307, lower positioning block; 308, support rod; 309, positioning port; 310, rotating shaft; 311, bolt; 312, bolt; 313, positioning groove; 314, socket; 400, ladder; 401, differential anti-falling device; 402, safety rope loop. Detailed implementation manners

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model. Figure 1-6

[0025] Figure 1-6 ​​As shown in the figure: This embodiment provides a lifting device for a transmission line tower, which includes a support frame 100, a traction motor 101 and a lifting cabin 102. At the top of the support frame 100, there is a pulley block 200 for cooperating with the traction cable 201 and the hook 205 to lift the lifting cabin 102. Below the pulley block 200, there is a traction cable 201 for cooperating with the pulley block 200 to work. Below the traction cable 201, there is a lifting cabin 102 for maintenance personnel to stand on or place tools. On the front of the lifting cabin 102, there is a cabin door 300 for opening and closing the lifting cabin 102. At the top of the lifting cabin 102, there is a connecting plate 301 for fixing the lifting cabin 102 to the elevator lifting beam 206. On one side of the lifting cabin 102, there is a railing frame 302 for installing a railing 303. Inside the railing frame 302, there is a railing 303 for preventing people from falling. At the bottom of the side of the railing frame 302, there is a support plate 304 for people to stand on. On both sides of the support plate 304, there are positioning components 305 for connecting and fixing the lifting cabin 102 and the support plate 304. In the front of the support plate 304, there is a ladder 400 for facilitating people to climb up the tower. The ladder 400 is fixed to one side surface of the connecting plate 301.

[0026] During use, personnel enter the lifting cabin 102 and start the traction motor 101 to make the pulley block 200 cooperate with the hook 205 to lift the lifting cabin 102. When reaching the height of the tower that needs to be repaired, open the bolt 312, so that the positioning groove 313 is disconnected from the bolt 312 and the bolt 311 is disconnected from the bolt 312. Rotate the railing 303 towards the direction of the lifting cabin 102 through the rotating shaft 310, and then open the railing 303. Personnel can stand on the support plate 304. The support plate 304 is supported by the upper positioning block 306, the lower positioning block 307 and the support rod 308 for people to stand. Before entering the support plate 304, the differential anti-falling device 401 can be used in combination with the safety rope loop 402 and the climbing equipment and safety equipment worn by oneself to be fixed and use the ladder 400 to climb up, thereby improving the safety of climbing directly upwards from the cabin door 300, improving the safety protection measures, and facilitating the construction personnel to climb the tower for maintenance.

[0027] This embodiment provides a lifting device for a transmission line tower,

[0028] Such as Figure 1 、 3, as shown in Figures 4: The positioning component 305 includes an upper positioning block 306 for connecting with the lifting bin 102 and a lower positioning block 307 for connecting with the support plate 304. One end of the upper positioning block 306 is fixed to the side surface of the lifting bin 102, and the lower positioning block 307 is fixed to the upper surface of the rear part of the support plate 304. A support rod 308 for connecting the upper positioning block 306 and the lower positioning block 307 is inclined between the upper positioning block 306 and the lower positioning block 307. One end of the support rod 308 is fixedly welded to the upper positioning block 306, and the other end of the support rod 308 is fixedly welded to the lower positioning block 307. A fence can also be added to the surface of the support plate 304 to improve the protection effect.

[0029] As Figure 3 , 4 , 5, and 6 show: A positioning port 309 for the rotation of the rotating shaft 310 is vertically penetrated through one side of the railing 303. A positioning port 309 for rotatably installing the rotating shaft 310 is embedded in the inner wall of the railing 303 corresponding to the railing frame 302. A rotating shaft 310 for driving the railing 303 to rotate is fixedly arranged in the positioning port 309. A positioning bearing can be arranged in the positioning port 309 in the railing frame 302 for fixedly installing the rotating shaft 310 so that the rotating shaft 310 can rotate freely. A bolt 311 for fixing the bolt 312 is arranged on the inner surface of the other side of the railing 303. The railing 303 and the bolt 311 are connected and fixed by bolts. A bolt 312 for preventing the railing 303 from moving is arranged in the bolt 311. The bolt 311 and the bolt 312 are in socket and spigot fit. A positioning groove 313 for the insertion and extraction of the bolt 312 is arranged behind the lifting bin 102. The positioning groove 313 is fixedly welded to the lifting bin 102. An insertion port 314 communicating the positioning groove 313 with the lifting bin 102 is arranged between the positioning groove 313 and the bolt 312. The insertion port 314 penetrates through the wall of the lifting bin 102. The positioning groove 313 corresponds to the bolt 312, and the positioning groove 313 and the bolt 312 are in socket and spigot fit.

[0030] As Figure 1 , 2 , 4 show: A differential anti-falling device 401 for preventing maintenance personnel from falling is fixedly arranged at the top of the connecting plate 301. The connecting plate 301 and the differential anti-falling device 401 are connected and fixed by using angle iron and bolts. A safety rope loop 402 for inserting and fixing the safety rope in the differential anti-falling device 401 is arranged below the differential anti-falling device 401. The safety rope loop 402 and the lifting bin 102 can be fixedly welded by using shims. The interface end of the differential anti-falling device 401 corresponds to the safety rope loop 402.

[0031] As Figure 1 , 2As shown in the figure: The pulley block 200 includes a pulley bracket 202 for fixing the fixed pulley 203, a fixed pulley 203 and a movable pulley 204. The pulley bracket 202 is symmetrically provided with a fixed pulley 203 for changing the direction of force. The pulley bracket 202 is mechanically connected and fixed to the fixed pulley 203. The fixed pulley 203 is mechanically connected to the upper end of the traction cable 201. The traction motor 101 is mechanically connected to the fixed pulley 203. The lower end of the traction cable 201 is mechanically connected to the movable pulley 204. A hook 205 for lifting the lifting cabin 102 is provided below the movable pulley 204. The hook 205 is connected and fixed to the pulley block 200 in a snap-on plate manner.

[0032] As Figure 1 , 2 shown in the figure: In the middle of the top of the connecting plate 301, there is an elevator lifting beam 206 for facilitating the lifting of the hook 205. The connecting plate 301 is welded and fixed to the elevator lifting beam 206. The elevator lifting beam 206 is correspondingly matched with the hook 205. At the bottom of the traction motor 101, there is a motor bracket 207 for fixing the traction motor 101. The motor bracket 207 can be welded and fixed or connected and fixed with bolts to the side wall of the support frame 100.

[0033] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0034] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle described in the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A transmission line tower lifting device, characterized in that: The invention comprises a support frame (100), a traction motor (101) and a lifting warehouse (102), wherein a pulley block (200) is provided on the top of the support frame (100), a traction rope (201) is provided below the pulley block (200), the lifting warehouse (102) is provided below the traction rope (201), a hatch (300) is provided on the front of the lifting warehouse (102), a connecting plate (301) is provided on the top of the lifting warehouse (102), a fence (302) is provided on one side of the lifting warehouse (102), a fence (303) is provided inside the fence (302), a support plate (304) is welded on the bottom of the side of the fence (302), positioning components (305) are provided on both sides of the support plate (304), a ladder (400) is provided on the front of the support plate (304), and the ladder (400) is fixed to one side of the connecting plate (301).

2. A transmission line tower lifting device as claimed in claim 1, characterized in that: The positioning assembly (305) comprises an upper positioning block (306) and a lower positioning block (307), one end of the upper positioning block (306) is fixed to the side of the lifting bin (102), and the lower positioning block (307) is fixed to the upper rear surface of the support plate (304).

3. A transmission line tower lifting device as claimed in claim 2, characterized in that: A support rod (308) is obliquely provided between the upper positioning block (306) and the lower positioning block (307); one end of the support rod (308) is fixed to the upper positioning block (306), and the other end of the support rod (308) is fixed to the lower positioning block (307).

4. A transmission line tower lifting device as claimed in claim 3, characterized in that: A positioning opening (309) is vertically penetrated through one side of the fence (303), and the inner wall of the fence (303) corresponding to the fence frame (302) is embedded with the positioning opening (309), and a rotating shaft (310) is rotatably provided in the positioning opening (309).

5. A transmission line tower lifting device as claimed in claim 4, characterized in that: A bolt (311) is provided on the inner surface of the other side of the railing (303), a plug (312) is provided inside the bolt (311), a positioning groove (313) is provided at the rear of the lifting warehouse (102), a socket (314) is provided between the positioning groove (313) and the plug (312), the socket (314) passes through the warehouse wall of the lifting warehouse (102), and the positioning groove (313) corresponds to the plug (312).

6. A transmission line tower lifting device as claimed in claim 5, characterized in that: A differential fall arrester (401) is fixedly provided on the top of the connecting plate (301), a safety rope ring (402) is provided below the differential fall arrester (401), and an interface end of the differential fall arrester (401) corresponds to the safety rope ring (402).

7. A transmission line tower lifting device as claimed in claim 6, characterized in that: The pulley block (200) comprises a pulley bracket (202), a fixed pulley (203) and a movable pulley (204); the pulley bracket (202) is symmetrically provided with the fixed pulley (203); the fixed pulley (203) is connected to the upper end of the traction rope (201); the traction motor (101) is connected to the fixed pulley (203); the lower end of the traction rope (201) is connected to the movable pulley (204); and a hook (205) is provided below the movable pulley (204).

8. A transmission line tower lifting device as claimed in claim 7, characterized in that: An elevator lifting beam (206) is provided in the center of the top of the connecting plate (301), and the elevator lifting beam (206) corresponds to the hook (205). A motor bracket (207) is provided at the bottom of the traction motor (101), and the motor bracket (207) is fixed to the side wall of the support frame (100).

Images