CN213804887U

CN213804887U - Negative pressure adsorption type inhaul cable climbing device

Info

Publication number: CN213804887U
Application number: CN202022572742.5U
Authority: CN
Inventors: 李运堂; 胡伟杰; 李孝禄; 陈源
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-27
Anticipated expiration: 2030-11-04

Abstract

A negative pressure adsorption type cable climbing device comprises: the cable climbing device comprises a rack (1) and a climbing unit (K) consisting of an upper roller (2), a synchronous pulley I (3), an upper sucker (4), an upper wheel frame (5), an upper supporting seat (6), an upper pretensioner (7), a synchronous belt I (8), a lower pretensioner (9), a lower supporting seat (10), a lower wheel frame (11), a synchronous pulley II (12), a lower sucker (13), a lower rotating shaft (14), a lower roller (15), a synchronous pulley III (16), a driving motor (17), a synchronous belt II (18), a synchronous pulley IV (19) and an upper rotating shaft (20).

Description

Negative pressure adsorption type inhaul cable climbing device

The technical field is as follows:

the invention relates to a negative pressure adsorption type cable climbing device, which is mainly used for detecting and maintaining a cable of a cable-stayed bridge and belongs to the technical field of engineering.

Background art:

the cable-stayed bridge mainly comprises a bridge, a pier, a bridge tower and a cable, wherein the cable of the cable-stayed bridge is an important component part, is exposed in the environment for a long time and is corroded by various types, the surface of the cable is easy to damage, and the cable is an important bearing mechanism of the cable-stayed bridge, so that the service life of the bridge is influenced or even the safety of the whole bridge is endangered once the cable is damaged, and the immeasurable loss is caused.

At present, the traditional cable-stayed bridge inhaul cable repairing mode is backward, detection and maintenance work are mainly carried out by a manual method, the mode is high in difficulty and risk coefficient, and is easily influenced by factors such as weather, and the working period is long. Therefore, it is an inevitable demand for a cable detection device that can be automated, made lighter, and safer.

The invention content is as follows:

the purpose of the invention is: the negative pressure adsorption type cable climbing device can be used as a motion carrier of equipment such as cable detection and maintenance, and solves the problems of high labor intensity, low safety, poor adaptability of the existing cable climbing device and the like in manual operation.

In order to realize the purpose of the invention, the following technical scheme is adopted:

the invention comprises the following steps: the frame to and by last gyro wheel, synchronous pulley I, go up the sucking disc, go up the wheel carrier, go up the supporting seat, go up pretensioner, synchronous belt I, lower pretensioner, lower supporting seat, lower wheel carrier, synchronous pulley II, lower sucking disc, lower pivot, lower gyro wheel, synchronous pulley III, driving motor, synchronous belt II, synchronous pulley IV, go up the unit that climbs that the pivot constitutes, its characterized in that: the upper sucker is fixed on the upper roller, the upper roller is fixed on the upper rotating shaft, the upper rotating shaft is arranged on the upper wheel frame, the upper wheel frame is arranged on the upper supporting seat through an upper pretensioner, the upper supporting seat is fixed on the rack, the lower sucker is fixed on the lower roller, the lower roller is fixed on the lower rotating shaft, the lower rotating shaft is arranged on the lower wheel frame, the lower wheel frame is arranged on the lower supporting seat through a lower pretensioner, the lower supporting seat is fixed on the rack, the synchronous pulley I and the synchronous pulley IV are fixed on the upper rotating shaft, the synchronous pulley II is fixed on the lower rotating shaft, the driving motor is fixed on the rack, the synchronous pulley III is fixed on an output shaft of the driving motor, the synchronous belt I is arranged between the synchronous pulley I and the synchronous pulley II, and the synchronous pulley II is arranged between the synchronous pulley III and the synchronous pulley IV.

The upper pretensioner and the lower pretensioner are composed of a spring base, a connecting shaft, a spiral spring, a bolt, a ratchet cover and a nut, the connecting shaft is fixed on the spring base, an outer hook of the spiral spring is arranged on a notch of the spring base, an inner hook of the spiral spring is arranged on a notch of the ratchet cover, the ratchet cover is arranged on the connecting shaft, the ratchet cover and the connecting shaft are fixed through the bolt and the nut, and at least three climbing units are arranged on the rack.

The invention has the characteristics that:

the climbing device is synchronously driven by at least three motors, has large climbing force and stable operation, improves the adsorption force of the roller by negative pressure adsorption of the sucking disc, has adjustable pre-tightening force and improves the adaptability of the climbing device. The invention has simple structure, easy control and convenient realization.

Description of the drawings:

fig. 1 illustrates a climbing unit K according to the invention.

Fig. 2 illustrates the overall structure of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 illustrates an exploded view of the pretensioner.

1. A frame; 2. an upper roller; 3. a synchronous pulley I; 4. a sucker is arranged; 5. an upper wheel frame; 6. an upper support base; 7. a pretensioner is arranged; 8. a synchronous belt I; 9. a lower pretensioner; 10. a lower support seat; 11. a lower wheel frame; 12. a synchronous belt pulley II; 13. a lower sucker; 14. a lower rotating shaft; 15. a lower roller; 16. a synchronous pulley III; 17. a drive motor; 18. a synchronous belt II; 19. a synchronous pulley IV; 20. an upper rotating shaft; 21. a spring mount; 22. a connecting shaft; 23. a volute spiral spring; 24. a bolt; 25. a ratchet cover; 26. a nut; A. a cable; B. an output shaft; C. an inner hook of the spiral spring; D. an outer hook of the volute spiral spring; E. a gap of the spring base; F. a notch of the ratchet cover; K. a climbing unit.

The specific implementation mode is as follows:

the following describes embodiments of the present invention with reference to the drawings.

The invention is characterized in that at least three climbing units K are arranged on a frame 1, in each climbing unit K, an upper sucker 4 is fixed on an upper roller 2, the upper roller 2 is fixed on an upper rotating shaft 20, the upper rotating shaft 20 is arranged on an upper wheel frame 5, the upper wheel frame 5 is arranged on an upper supporting seat 6 through an upper pretensioner 7, the upper supporting seat 6 is fixed on the frame 1, a lower sucker 13 is fixed on a lower roller 15, the lower roller 15 is fixed on a lower rotating shaft 14, the lower rotating shaft 14 is arranged on a lower wheel frame 11, the lower wheel frame 11 is arranged on a lower supporting seat 10 through a lower pretensioner 9, the lower supporting seat 10 is fixed on the frame 1, a synchronous pulley I3 and a synchronous pulley IV19 are fixed on the upper rotating shaft 20, a synchronous pulley II12 is fixed on the lower rotating shaft 14, a driving motor 17 is fixed on the frame 1, a synchronous pulley III16 is fixed on an output shaft B of the driving motor 17, the synchronous pulley I8 is arranged between a synchronous pulley I3 and a synchronous pulley II12, timing belt II18 is disposed between timing pulley III16 and timing pulley IV 19.

The upper pretensioner 7 and the lower pretensioner 9 are composed of a spring base 21, a connecting shaft 22, a scroll spring 23, a bolt 24, a ratchet cover 25 and a nut 26, the connecting shaft 22 is fixed on the spring base 21, an outer hook D of the scroll spring 23 is arranged on a notch E of the spring base 21, an inner hook C of the scroll spring 23 is arranged on a notch F of the ratchet cover 25, the ratchet cover 25 is arranged on the connecting shaft 22, the ratchet cover 25 and the connecting shaft 22 are fixed through the bolt 24 and the nut 26, and at least three climbing units K are arranged on the rack 1.

When the inhaul cable climbs, the ratchet cover 25 is rotated clockwise, the outer hook D of the spiral spring 23 is fixed on the notch E of the spring base 21, the inner hook C of the spiral spring 23 rotates along with the ratchet cover 25, the spiral spring 23 is elastically bent and deformed to generate torsion by generated torque, then the bolt 24 is fixed on the ratchet cover 25 and the connecting shaft 22 through the nut 26, the spiral spring 23 keeps the torsion state to provide pre-tightening force, so that the inhaul cable A can be pressed tightly, the output shaft B of the driving motor 17 drives the upper rotating shaft 20 to rotate through the synchronous belt wheel III16, the synchronous belt II18 and the synchronous belt wheel IV19, the upper roller 2 is driven to rotate, the upper rotating shaft 20 drives the lower rotating shaft 14 to rotate through the synchronous belt wheel I3, the synchronous belt I8 and the synchronous belt II12, and the lower roller 15 is driven to move along the inhaul cable A. When the invention needs to be disassembled, the driving motor 17 is firstly closed, then the bolt 24 is pulled out, the ratchet cover 25 is rotated anticlockwise, the spiral spring 23 is released from the twisting state, the pretightening force disappears, and then the invention can be disassembled.

Claims

1. A negative pressure adsorption type cable climbing device comprises: frame (1) to and by last gyro wheel (2), synchronous pulley I (3), go up sucking disc (4), go up wheel carrier (5), go up supporting seat (6), go up pretensioner (7), synchronous belt I (8), lower pretensioner (9), lower supporting seat (10), lower wheel carrier (11), synchronous pulley II (12), lower sucking disc (13), lower pivot (14), lower gyro wheel (15), synchronous pulley III (16), driving motor (17), synchronous belt II (18), synchronous pulley IV (19), go up unit (K) that climbs that pivot (20) are constituteed, its characterized in that: the upper sucker (4) is fixed on the upper roller (2), the upper roller (2) is fixed on an upper rotating shaft (20), the upper rotating shaft (20) is arranged on an upper wheel frame (5), the upper wheel frame (5) is arranged on an upper supporting seat (6) through an upper pretensioner (7), the upper supporting seat (6) is fixed on a rack (1), a lower sucker (13) is fixed on a lower roller (15), the lower roller (15) is fixed on a lower rotating shaft (14), the lower rotating shaft (14) is arranged on a lower wheel frame (11), the lower wheel frame (11) is arranged on a lower supporting seat (10) through a lower pretensioner (9), the lower supporting seat (10) is fixed on the rack (1), a synchronous pulley I (3) and a synchronous pulley IV (19) are fixed on the upper rotating shaft (20), a synchronous pulley II (12) is fixed on the lower rotating shaft (14), a driving motor (17) is fixed on the rack (1), synchronous pulley III (16) is fixed on output shaft (B) of driving motor (17), and synchronous belt I (8) set up between synchronous pulley I (3) and synchronous pulley II (12), and synchronous belt II (18) set up between synchronous pulley III (16) and synchronous pulley IV (19).

2. The negative pressure adsorption type cable climbing device according to claim 1, wherein: go up preloader (7) and lower preloader (9) constitute by spring holder (21), connecting axle (22), spiral wound spring (23), bolt (24), ratchet lid (25), nut (26), connecting axle (22) are fixed on spring holder (21), outer hook (D) of spiral wound spring (23) sets up on opening (E) of spring holder (21), inner hook (C) of spiral wound spring (23) set up on opening (F) of ratchet lid (25), ratchet lid (25) set up on connecting axle (22), ratchet lid (25) and connecting axle (22) are fixed through bolt (24) and nut (26).

3. The negative pressure adsorption type cable climbing device according to claim 1, wherein: the frame (1) is provided with at least three climbing units (K).