Cable winding and unwinding device for subway electromechanical construction
By designing track wheels and limit wheels that move on the subway track, combined with a worm gear and hand chain hoist mechanism, the problem of inconvenient movement of cable winding and unwinding devices in subway tunnels is solved, achieving stable winding and unwinding of cable reels and convenient installation.
Patent Information
- Application Number
- CN202520094498.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing cable winding and unwinding devices for subway electromechanical construction are inconvenient to move within subway tunnels and are difficult to adapt to the limited space of the construction environment.
A cable winding and unwinding device was designed, comprising a track wheel, a limit wheel, a worm gear mechanism, and a hand-operated hoist. The track wheel moves on the track, the limit wheel is fixed, the worm gear adjusts the direction of the cable, and the hand-operated hoist lifts the cable reel to realize the winding, unwinding, and installation of the cable.
It enables stable movement on subway tracks, preventing the device from tipping over or detaching, facilitating the installation and replacement of cable reels, and improving construction efficiency.
Smart Images

Figure CN223737430U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable winding and unwinding technology, specifically a cable winding and unwinding device for subway electromechanical construction. Background Technology
[0002] In the construction, maintenance and renovation of subway projects, electromechanical engineering is an important part of the entire subway system. It involves specialties such as ventilation and air conditioning, water supply and drainage, low-voltage power distribution, integrated monitoring, fire alarm system, communication and signaling. It has a high degree of technical integration and a large number and variety of equipment. The number of control, signaling, protection and power transmission cables required accounts for more than 60% of the entire subway project. Its construction quality is directly related to the safety and stability of subway operation.
[0003] A search revealed a patent document with publication number CN221026984U, which discloses a cable winding and unwinding device for subway electromechanical construction, which is moved by movable wheels during use.
[0004] Although the existing technology can be moved, the construction environment inside subway tunnels is complex and the ground space is limited. Moving directly on the ground can easily lead to inconvenience. Therefore, a cable winding and unwinding device for subway electromechanical construction is proposed to optimize the existing technology. Utility Model Content
[0005] The purpose of this utility model is to provide a cable winding and unwinding device for subway electromechanical construction, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A cable winding and unwinding device for subway electromechanical construction includes a mounting frame. A rotating frame is rotatably mounted on the inner top of the mounting frame, and a hanger is slidably mounted on the inner side of the rotating frame. A winding and unwinding mechanism is installed inside the hanger. Upright plates are fixedly connected to the four corners of the bottom of the mounting frame. Track wheels are rotatably connected to the upper part of the upright plates. The tracks are adapted to subway tracks. A limiting wheel is provided below the track wheels. The limiting wheel is rotatably connected to the end of an adjusting bolt. The end of the adjusting bolt is provided with a shaft for the rotating installation of the limiting wheel. The adjusting bolt is threaded through the upright plate. A limiting bolt is threadedly connected to the side wall of the upright plate corresponding to the adjusting bolt. The end of the limiting bolt abuts against the adjusting bolt. A rubber plug is fixedly connected to the end of the limiting bolt corresponding to the adjusting bolt. Threaded holes for threaded connection between the adjusting bolt and the limiting bolt are provided on the upright plate. The two threaded holes are vertically arranged and interconnected.
[0008] As a further scheme of the utility model: the top of mounting bracket is rotatably connected with a rotating seat, the bottom of the rotating seat is fixedly connected with the top surface of the rotating frame, the top outer side of the rotating seat is fixedly connected with a worm gear, the outer side of the worm gear is provided with a worm that is in mesh transmission with the worm gear, and the worm is rotatably connected with the top of the mounting bracket.
[0009] As a further scheme of the utility model: one end of the worm is fixedly connected with a sprocket, the outer side of the sprocket is provided with a limiting cover that is matched with the sprocket, the limiting cover is fixedly connected with the mounting bracket, the sprocket is movably connected with a chain that is matched with the sprocket, and the chain is matched with the gap between the limiting cover and the sprocket.
[0010] As a further scheme of the utility model: the top inner side of the rotating frame is provided with a hand-operated hoist, the hook end of the hand-operated hoist is fixedly connected with a hanger, the bottom of the hanger is symmetrically provided with a sliding seat, the sliding seat is slidably connected in the rotating frame, the two sides of the rotating frame are symmetrically and obliquely penetrated with limiting pins, the limiting pins are inserted into the sliding seat, the rotating frame and the sliding seat are correspondingly provided with insertion holes for the insertion of the limiting pins and are matched with the limiting pins, and the limiting pins are obliquely inserted downward under the action of gravity to form an anti-falling effect.
[0011] As a further scheme of the utility model: the retractable mechanism comprises a spline sleeve, a spline shaft and a spline connecting piece.
[0012] As a further scheme of the utility model: two spline sleeves are symmetrically arranged, the two spline sleeves are symmetrically and rotatably connected at the bottom of the hanger, the spline shaft is slidably penetrated through the two spline sleeves, a cable drum is sleeved on the spline shaft, the spline connecting pieces are symmetrically arranged at the two sides of the cable drum and are sleeved on the outer side of the spline shaft, the spline connecting pieces are fixedly installed on the side wall of the cable drum through mounting bolts, the mounting bolts are simultaneously penetrated through the spline connecting pieces and the cable drum to drive the side frame and are screw-connected with nuts, the distance between the two spline connecting pieces after being fixed is matched with the internal width of the hanger, the end of one of the spline sleeves is fixedly connected with a sealing plate, connecting bolts are penetrated through the sealing plate, the connecting bolts are inserted into the end of the spline shaft and are screw-connected with the spline shaft, perforations for the penetration of the connecting bolts are formed in the sealing plate, a threaded hole for the screw connection of the connecting bolts is formed in the end of the spline shaft, the outer side of the other spline sleeve is fixedly connected with a first gear, the outer side of the first gear is provided with a corresponding fixed groove, a second gear that is in mesh transmission with the first gear is rotatably installed in the fixed groove, a motor is fixedly installed on the side wall of the fixed groove and corresponds to the end of the second gear, and the output end of the motor is fixedly connected with the second gear.
[0013] As a further scheme of the utility model: a mobile power supply is installed at the bottom of the mounting bracket, a switch is fixedly installed on the outer wall of the fixed groove, the switch is electrically connected with the mobile power supply through wires, and the motor is electrically connected with the mobile power supply through wires.
[0014] Compared with the prior art, the utility model has the advantages of
[0015] 1、The whole device can be placed on the track through the track wheel, and moves through the track wheel, so that the device can move on the subway track, effectively avoiding the problem of inconvenience caused by the limited space in the subway tunnel.
[0016] 2、The lower part of the track wheel is provided with a limiting wheel, which can be adjusted in position through the adjusting bolt, and the adjusting bolt can be fixed through the limiting bolt and the rubber plug block, so that the limiting wheel can be retracted when the device is placed on the track, avoiding interference, and the limiting wheel is extended after the device is placed on the track, so that the clamping effect is formed by the limiting wheel, the track wheel and the track, avoiding the problem of tilting and separating from the track during the movement of the device.
[0017] 3、The chain can drive the sprocket to rotate, so that the worm can rotate, and the rotating frame can be driven to rotate through the cooperation of the worm gear, so that the direction of the cable winding and unwinding can be adjusted.
[0018] 4、The lifting frame can be lifted and lowered through the chain hoist, so that the lifting frame can slide in the rotating frame through the sliding seat, and the winding and unwinding mechanism can be lifted and lowered, so that the cable drum can be lifted and lowered through the spline shaft, and the installation and replacement of the cable drum are facilitated.
[0019] 5、The limiting pin penetrates the rotating frame and the sliding seat at the same time, so that the lifting frame and the rotating frame can be limited when the lifting frame lifts the cable drum, reducing the unnecessary load of the chain hoist.
[0020] 6、The installation of the cable drum is realized by penetrating the spline sleeve and the spline connecting piece through the spline shaft, and is fixed through the connecting bolt, so that the assembly type installation is formed, and the cable drum can be installed and disassembled from the lifting frame. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a structure diagram of a cable winding and unwinding device for subway mechanical and electrical construction.
[0022] Fig. 2 It is a top view of a cable winding and unwinding device for subway mechanical and electrical construction.
[0023] Fig. 3 It is a sectional view of a cable winding and unwinding device for subway mechanical and electrical construction.
[0024] Fig. 4 It is a local structure display diagram of a cable winding and unwinding device for subway mechanical and electrical construction.
[0025] Fig. 1, mounting frame; 2, rotating frame; 3, hanging frame; 4, winding and unwinding mechanism; 5, vertical plate; 6, track wheel; 7, limiting wheel; 8, adjusting bolt; 9, limiting bolt; 10, rubber plug; 11, rotating seat; 12, worm wheel; 13, worm; 14, sprocket; 15, limiting cover; 16, chain; 17, hand chain block; 18, sliding seat; 19, limiting pin; 20, spline sleeve; 21, spline shaft; 22, spline connecting piece; 23, cable drum; 24, cover plate; 25, connecting bolt; 26, first gear; 27, fixed groove; 28, second gear; 29, motor; 30, mobile power supply; 31, switch. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figs. 1-4 In the embodiments of the utility model, a cable winding and unwinding device for subway electromechanical construction comprises a mounting frame 1, a rotating frame 2 is rotatably installed on the top inner side of the mounting frame 1, a hanging frame 3 is slidably installed on the inner side of the rotating frame 2, a winding and unwinding mechanism 4 is installed in the hanging frame 3, vertical plates 5 are fixedly connected to the bottom four corners of the mounting frame 1, track wheels 6 are rotatably connected to the upper part of the vertical plates 5, the track 6 is matched with the subway track, limiting wheels 7 are arranged below the track wheels 6, the limiting wheels 7 are rotatably connected to the end part of adjusting bolts 8, the end part of the adjusting bolts 8 is provided with a light shaft part for rotatably installing the limiting wheels 7, the adjusting bolts 8 are threaded through the vertical plates 5, limiting bolts 9 are threadedly connected to the side walls of the vertical plates 5 corresponding to the adjusting bolts 8, the end part of the limiting bolts 9 is tightly abutted against the adjusting bolts 8, rubber plugs 10 are fixedly connected to the end part of the limiting bolts 9 corresponding to the adjusting bolts 8, screw holes for threadedly connecting the adjusting bolts 8 and the limiting bolts 9 are formed in the vertical plates 5, and the two screw holes are vertically arranged and interconnected.
[0028] The whole device can be placed on the track through the track wheels 6 and moved through the track wheels, so that the device can be moved on the subway track, effectively avoiding the problem of inconvenience in movement due to the limited space in the subway tunnel.
[0029] The lower part of the track wheel 6 is provided with a limiting wheel 7, which can be adjusted in position by adjusting the bolt 8, and the adjusting bolt 8 can be fixed by the limiting bolt 9 cooperating with the rubber plug block 10, so that the limiting wheel 7 can be retracted when the device is placed on the track, avoiding interference, and the limiting wheel 7 is extended after the device is placed on the track, so that the limiting wheel 7 and the track wheel 6 form a clamping effect with the track, avoiding the problem of tilting and separating from the track during the movement of the device.
[0030] The top of the mounting frame 1 is rotatably connected with a rotating seat 11, the bottom end of the rotating seat 11 is fixedly connected to the top surface of the rotating frame 2, the top outer side of the rotating seat 11 is fixedly connected with a worm gear 12, the outer side of the worm gear 12 is provided with a worm shaft 13 which is in meshing transmission with the worm gear 12, and the worm shaft 13 is rotatably connected to the top of the mounting frame 1.
[0031] One end of the worm shaft 13 is fixedly connected with a chain wheel 14, the outer side of the chain wheel 14 is provided with a limiting cover 15 matched therewith, the limiting cover 15 is fixedly connected to the mounting frame 1, and the chain wheel 14 is drivingly connected with a chain 16 matched therewith, and the chain 16 is matched with the gap between the limiting cover 15 and the chain wheel 14.
[0032] The rotation of the chain wheel 14 can be driven by pulling the chain 16, so as to drive the rotation of the worm shaft 13, and then the rotation of the rotating frame 2 can be driven by the cooperation of the worm gear 12, so as to adjust the direction of the cable winding and unwinding.
[0033] A hand-operated hoist 17 is arranged on the top inner side of the rotating frame 2, the hook end of the hand-operated hoist 17 is fixedly connected with a hanger 3, the bottom of the hanger 3 is provided with two symmetrical sliding seats 18, the sliding seats 18 are slidingly connected in the rotating frame 2, the two sides of the rotating frame 2 are symmetrically inclined and provided with limiting pins 19, the limiting pins 19 are inserted into the sliding seats 18, and the rotating frame 2 and the sliding seats 18 are provided with corresponding insertion holes for the insertion of the limiting pins 19, and the limiting pins 19 are inserted obliquely downward under the action of gravity to form an anti-falling effect.
[0034] The winding and unwinding mechanism 4 comprises a spline sleeve 20, a spline shaft 21 and a spline connecting piece 22.
[0035] The two spline sleeves 20 are symmetrically connected to the bottom of the hanger 3, the spline shaft 21 is slidably penetrated through the two spline sleeves 20, the cable drum 23 is sleeved on the spline shaft 21, the spline connectors 22 are symmetrically arranged on the two sides of the cable drum 23 and are sleeved on the outer side of the spline shaft 21, the spline connectors 22 are fixedly installed on the side wall of the cable drum 23 through mounting bolts, the mounting bolts are simultaneously penetrated through the spline connectors 22 and the cable drum 23 to drive the side frame and are screw-connected with nuts, the interval of the two fixed spline connectors 22 is adapted to the inner width of the hanger 3, the end of one of the spline sleeves 20 is fixedly connected with the end plate 24, the connecting bolt 25 is penetrated through the end plate 24 and is inserted into the end of the spline shaft 21 and screw-connected with the spline shaft 21, the perforation for the connecting bolt 25 to penetrate is formed in the end plate 24, the first gear 26 is fixedly connected to the outer side of the other spline sleeve 20, the outer side of the first gear 26 is provided with the corresponding fixed groove 27, the second gear 28 in meshing transmission with the first gear 26 is rotatably installed in the fixed groove 27, the motor 29 is fixedly installed on the side wall of the fixed groove 27 and corresponds to the end of the second gear 28, and the output end of the motor 29 is fixedly connected with the second gear 28.
[0036] The hanger 3 can be lifted and lowered through the chain hoist 17, so that the hanger 3 can slide in the rotating frame 2 through the sliding seat 18, and the folding and unfolding mechanism 4 can be lifted and lowered, so that the cable drum 23 can be lifted and lowered through the spline shaft 21 penetrating the cable drum 23, and the installation and replacement of the cable drum 23 are facilitated.
[0037] The hanger 3 can be limited with the rotating frame 2 when the hanger 3 lifts the cable drum 23 through the limiting pin 19, and the unnecessary load of the chain hoist 17 is reduced.
[0038] The installation of the cable drum 23 is realized through the spline shaft 21 penetrating the spline sleeve 20 and the spline connector 22, and is fixed through the connecting bolt 25, so that the assembly type installation is formed, and the cable drum 23 is conveniently installed and disassembled from the hanger 3.
[0039] The mobile power supply 30 is installed at the bottom of the mounting frame 1, the switch 31 is fixedly installed on the outer wall of the fixed groove 27, the switch 31 is electrically connected with the mobile power supply 30 through wires, and the motor 29 is electrically connected with the mobile power supply 30 through wires.
[0040] The working principle of the utility model is as follows:
[0041] In use, the device is placed on the track through the track wheel 6, at this time, the limiting bolt 8 is turned to extend the limiting wheel 7 below the track wheel 6, thereby forming a limit, at this time, the limiting bolt 9 is tightened, the adjusting bolt 8 is tightly pressed through the rubber plug 10, further rolling on the track through the track wheel 6, so that the device moves to the corresponding position of the cable drum 23, at this time, the spline connector 22 is fixed at the center of the cable drum 23, at this time, the spline shaft 21 is simultaneously penetrated through the spline sleeve 20, the spline connector 22 and the cable drum 23, and then the connecting bolt 25 is screwed, so that the spline shaft 21 is connected and fixed with the sealing plate 24, at this time, the pulling chain of the hand chain block 17 can be pulled to lift the hanger 3, then the sliding seat 18 and the rotating frame 2 are limited through the limiting pin 19, at this time, the second gear 28 can be driven through the motor 29, the spline sleeve 20 is driven to rotate through the first gear 26, and then the cable drum 23 is driven to rotate through the spline shaft 21, so as to wind and unwind, in work, the chain 16 can be pulled, so as to drive the worm 13 through the sprocket 14, drive the worm wheel 12 to rotate, and then drive the rotating seat 11 to rotate, so as to adjust the unwinding direction.
[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A cable winding and unwinding device for metro electromechanical construction, comprising a mounting frame (1), characterized in that: The top inner side of the mounting frame (1) is rotatably connected with a rotating frame (2), the inner side of the rotating frame (2) is slidably connected with a hanging frame (3), the hanging frame (3) is internally connected with a retracting mechanism (4), the bottom of the mounting frame (1) is fixedly connected with a vertical plate (5), the upper portion of the vertical plate (5) is rotatably connected with a track wheel (6), the lower portion of the track wheel (6) is provided with a limiting wheel (7), the limiting wheel (7) is rotatably connected with the end portion of an adjusting bolt (8), the end portion of the adjusting bolt (8) is provided with a light axis portion for rotatably connecting the limiting wheel (7), the adjusting bolt (8) is threaded through the vertical plate (5), the sidewall of the vertical plate (5) is provided with a limiting bolt (9) corresponding to the threaded connection of the adjusting bolt (8), the end portion of the limiting bolt (9) is abuttingly connected with the adjusting bolt (8), and the end portion of the limiting bolt (9) is fixedly connected with a rubber plug (10) corresponding to the adjusting bolt (8).
2. The cable reeling device for metro electromechanical construction according to claim 1, characterized in that: The top of the mounting frame (1) is rotatably connected with a rotating seat (11), the bottom end of the rotating seat (11) is fixedly connected with the top surface of the rotating frame (2), the top outer side of the rotating seat (11) is fixedly connected with a worm gear (12), the outer side of the worm gear (12) is provided with a worm shaft (13) in meshing transmission with the worm gear (12), and the worm shaft (13) is rotatably connected with the top of the mounting frame (1).
3. The cable reeling device for metro electromechanical construction of claim 2, characterized in that: One end of the worm shaft (13) is fixedly connected with a chain wheel (14), the outer side of the chain wheel (14) is provided with a limiting cover (15) matched with the chain wheel (14), the limiting cover (15) is fixedly connected with the mounting frame (1), the chain wheel (14) is movably connected with a chain (16) matched with the chain wheel (14), and the chain (16) is matched with the gap between the limiting cover (15) and the chain wheel (14).
4. The cable reeling device for metro electromechanical construction of claim 1, characterized in that: The top inner side of the rotating frame (2) is provided with a hand-operated hoist (17), the hook end of the hand-operated hoist (17) is fixedly connected with the hanging frame (3), the bottom of the hanging frame (3) is symmetrically provided with a sliding seat (18), the sliding seat (18) is slidably connected in the rotating frame (2), and the two sides of the rotating frame (2) are symmetrically and obliquely connected with a limiting pin (19).
5. The cable reeling device for metro electromechanical construction of claim 1, characterized in that: The retracting mechanism (4) comprises a spline sleeve (20), a spline shaft (21) and a spline connecting piece (22).
6. The cable reeling device for metro electromechanical construction of claim 5, characterized in that: The spline sleeve (20) is provided with two symmetrical ones, two spline sleeves (20) are symmetrically connected on the bottom of the hanger (3), the spline shaft (21) is simultaneously slid through the two spline sleeves (20), the cable drum (23) is sleeved on the spline shaft (21), the spline connector (22) is symmetrically arranged on the two sides of the cable drum (23) and is sleeved on the outer side of the spline shaft (21), the spline connector (22) is fixedly installed on the side wall of the cable drum (23) through the mounting bolt, the end of one of the spline sleeves (20) is fixedly connected with the sealing plate (24), the sealing plate (24) is penetrated through the connecting bolt (25), the connecting bolt (25) is inserted into the end of the spline shaft (21) and is threadedly connected with the spline shaft (21), the outer side of the other spline sleeve (20) is fixedly connected with the first gear (26), the outer side of the first gear (26) is provided with the corresponding fixed groove (27), the second gear (28) which is meshed and driven with the first gear (26) is rotatably installed in the fixed groove (27), the motor (29) is fixedly installed on the side wall of the fixed groove (27) corresponding to the end of the second gear (28), and the output end of the motor (29) is fixedly connected with the second gear (28).
Citation Information
Patent Citations
A cable retracting and releasing device for metro electromechanical construction
CN221026984U