CN219886568U - Cable device of side tower cable-stayed bridge - Google Patents

Abstract

The utility model discloses a stay cable device of a side tower cable-stayed bridge, which is connected with a cable tower and a main beam, wherein the stay cable device comprises a stay cable and a cleaning device, and the stay cable is connected with the cable tower and the main beam; the cleaning device comprises an annular shell, a moving mechanism and a cleaning mechanism, wherein the annular shell is sleeved to the stay cable, the moving mechanism is installed in the annular shell and comprises a driving roller and a driven roller which is elastically connected to the driving roller, the stay cable is located between the driving roller and the driven roller, and the driving roller rotates to drive the cleaning device to move along the extending direction of the stay cable. The cleaning mechanism is installed to the outside of annular casing, and cleaning mechanism includes motor, profile of tooth change, bracing piece and cleaning piece, and the bracing piece is fixed to profile of tooth change and to the slope of suspension cable setting, and the bracing piece has a plurality ofly along the circumference evenly distributed of profile of tooth change, and cleaning piece is fixed to the tip of bracing piece and with suspension cable butt, and motor drive profile of tooth change is rotatory to make cleaning piece carry out cleaning operation to the surface of suspension cable.

Description

Cable device of side tower cable-stayed bridge

Technical Field

The utility model belongs to the technical field of bridge inhaul cable structures, and particularly relates to an inhaul cable device of a side tower cable-stayed bridge.

Background

The cable-stayed bridge is also called as a stayed bridge, which is a bridge in which a main girder is directly pulled on a bridge tower by a plurality of stay ropes, and is a structural system formed by combining a bearing tower, a tension rope and a bearing beam body. It can be regarded as a multi-span elastic support continuous beam with guy cables instead of piers. The bending moment in the beam body can be reduced, the building height is reduced, the structural weight is reduced, and the materials are saved. The cable-stayed bridge mainly comprises a cable tower, a main girder and a stay cable.

The stay cable is used as one of the main components of the cable-stayed bridge, the cost of the stay cable is about one third of that of the whole bridge, and the stay cable is exposed in the air for a long time, and the Polyethylene (PE) protective layer on the surface of the stay cable is easy to have fouling phenomena with different degrees. However, the cleaning problem of the stay cable cannot be solved effectively all the time, and meanwhile, the appearance that the area of the stay cable is the bridge lifting and tension is very important in the bridge landscape building process. The surface of the stay cable is usually white or light in color for improving the landscape effect, but accumulated stains in a long time not only seriously affect the whole beauty of the bridge stay cable, but also cause corrosion and damage to the protective layer on the surface of the stay cable to different degrees.

The existing stay cable cleaning mode is mostly manual cleaning, the risk coefficient of the stay cable high-altitude cleaning operation is high, and the stay cable cleaning mode has great potential safety hazards and is inconvenient.

Disclosure of Invention

According to the cable device of the side tower cable-stayed bridge, the cleaning device is sleeved on the stay cable, so that dirt and dust on the surface of the stay cable are cleaned, the cleanliness and the attractiveness of the surface of the stay cable are improved, and the stay cable is cleaned by adopting the cleaning device. Wherein, the mode of adopting drive roller and driven voller centre gripping stay cable of moving mechanism drives cleaning device and marches, has effectively increased the travelling performance of moving mechanism on the stay cable. The cleaning mechanism cleans the surface of the stay cable in a rotating mode, so that the surface of the cleaned stay cable has higher cleanliness.

The utility model is realized by the following technical scheme:

a cable device of a side tower cable-stayed bridge is connected with a cable tower and a girder, and comprises a stay cable and a cleaning device, wherein the stay cable is connected with the cable tower and the girder; the cleaning device comprises an annular shell, a moving mechanism and a cleaning mechanism, wherein the annular shell is sleeved to the stay cable, the moving mechanism is installed in the annular shell and comprises a driving roller and a driven roller which is elastically connected to the driving roller, the stay cable is located between the driving roller and the driven roller, and the driving roller rotates to drive the cleaning device to move along the extending direction of the stay cable. The cleaning mechanism is installed to the outside of annular casing, and cleaning mechanism includes motor, profile of tooth change, bracing piece and cleaning block, and the bracing piece is fixed to profile of tooth change and to the slope of suspension cable setting, and the bracing piece has a plurality ofly along the circumference evenly distributed of profile of tooth change, and the cleaning block is fixed to the tip of bracing piece and with suspension cable butt, and motor drive profile of tooth change is rotatory to make the cleaning block clean the surface of suspension cable, the cleaning block adopts rotatory mode to clean the suspension cable surface, and is clean effectual.

Further, the moving mechanism further comprises a driving motor, a supporting frame and a first spring, wherein the driving motor provides power for the rotation of the driving roller, the first square bearings are arranged on two sides of the driving roller, the second square bearings are arranged on two sides of the driven roller, the first square bearings are fixedly arranged on the supporting frame, the second square bearings are in sliding connection with the supporting frame, the first spring is connected between the first square bearings and the second square bearings, so that the driving roller and the driven roller elastically clamp the stay cable, and the moving mechanism is convenient to move along the extending direction of the stay cable.

Further, the driving roller and the driven roller are provided with arc-shaped surfaces matched with the stay cables, so that the contact area between the driving roller and the stay cables is increased, and the driving performance of the moving mechanism along the stay cables is further improved.

Further, the anti-slip strips are arranged on the arc-shaped surface of the driving roller, the extending direction of the anti-slip strips is consistent with the axial direction of the driving roller, friction force between the driving roller and the stay cable is increased, and the driving roller is facilitated to drive the whole cleaning device to move along the stay cable.

Further, a plurality of anti-slip rings are arranged on the arc-shaped surface of the driven roller, the circle centers of the anti-slip rings are all positioned on the axis of the driven roller, the friction force between the driven roller and the stay cable in the circumferential direction of the stay cable is increased, the influence of the rotation of the cleaning mechanism on the moving mechanism is reduced, and the stability of the moving mechanism during moving along the stay cable is improved.

Further, one side of the second square bearing, which is close to the first spring, is provided with a mounting strip, the mounting strip is fixedly connected with the first spring, and the mounting strip is connected with the second square bearing through bolts, so that the driving roller and the driven roller are conveniently mounted on two sides of the stay cable.

Further, the motor drives the tooth form to rotate around the central line of the stay cable through gear transmission, and the gear transmission is adopted, so that the transmission is stable, the vibration is buffered and absorbed, the structure is simple, and the use and maintenance are convenient.

Further, the cleaning block comprises a cleaning seat and a cleaning head, a T-shaped groove is formed in the cleaning seat, the cleaning head is provided with a T-shaped part matched with the T-shaped groove, and the T-shaped groove and the T-shaped part are mutually matched to realize connection of the cleaning block and the cleaning head. Install the second spring between T type portion and the T type groove for the cleaning head can elastic mounting to the cleaning piece, helps improving the cleaning effect of cleaning head to the stay cable.

Further, one side of the cleaning head, which is close to the stay cable, is provided with a second arc-shaped surface matched with the surface of the stay cable, so that the contact area between the cleaning head and the stay cable is increased, and the cleaning efficiency of the cleaning head on the stay cable is improved.

Further, the annular shell comprises a first shell and a second shell, and the first shell and the second shell are fixedly connected through bolts, so that the annular shell is conveniently sleeved on the stay cable.

Drawings

FIG. 1 is a schematic connection diagram illustrating an exemplary embodiment of a cable assembly of a pylon cable-stayed bridge in accordance with the present utility model;

FIG. 2 is a schematic view for illustrating a part of FIG. 1 at A;

FIG. 3 is a schematic diagram illustrating an exemplary embodiment of a cable assembly of a pylon cable-stayed bridge in accordance with the present utility model;

FIG. 4 is a schematic diagram illustrating an exemplary embodiment of a cleaning apparatus according to the present utility model;

FIG. 5 is a front view of an exemplary embodiment of a cleaning apparatus of the present utility model in a cut-away state;

FIG. 6 is a schematic diagram illustrating the connection of an exemplary embodiment of a cut-away state of a movement mechanism according to the present utility model;

FIG. 7 is a schematic view of an exemplary embodiment of a moving mechanism of the present utility model in a cut-away state;

FIG. 8 is a side view of an exemplary embodiment of a cleaning apparatus of the present utility model;

FIG. 9 is a front view of an exemplary embodiment of a cleaning apparatus according to the present utility model;

fig. 10 is a partially enlarged schematic view of fig. 9 at B.

Reference numerals:

1. a guy cable device; 2. a cable tower; 3. a main beam; 4. stay cables; 5. a cleaning device; 51. an annular housing; 511. a first housing; 512. a second housing; 52. a moving mechanism; 521. a driving roller; 5211. an anti-slip strip; 522. driven roller; 5221. an anti-slip ring; 5222. a mounting bar; 523. a support frame; 524. a first spring; 525. a first square bearing; 526. a second square bearing; 527. an arc surface; 53. a cleaning mechanism; 531. a motor; 532. tooth-shaped swivel; 533. a support rod; 534. a cleaning block; 5341. a cleaning seat; 5342. a cleaning head; 5343. a second spring; 5344. and a second arc-shaped surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.

In addition, the dynamic terms such as "relative movement" in the embodiments of the present utility model include not only a change in position but also a movement in which a state is changed without a relative change in position such as rotation or rolling.

Finally, it is noted that when an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

The cable device of the side tower cable-stayed bridge is shown in fig. 1 to 10, and is connected with a cable tower 2 and a main beam 3, wherein the cable device 1 comprises a stay cable 4 and a cleaning device 5, and the stay cable 4 is connected with the cable tower 2 and the main beam 3; the cleaning device 5 includes an annular housing 51, a moving mechanism 52 and a cleaning mechanism 53, the annular housing 51 is sleeved to the stay cable 4, the moving mechanism 52 is installed in the annular housing 51, the moving mechanism 52 includes a driving roller 521 and a driven roller 522 elastically connected to the driving roller 521, the stay cable 4 is located between the driving roller 521 and the driven roller 522, and the driving roller 521 rotates to drive the cleaning device 5 to move along the extending direction of the stay cable 4. The cleaning mechanism 53 is installed to the outside of the annular housing 51, the cleaning mechanism 53 includes motor 531, tooth form swivel 532, bracing piece 533 and cleaning block 534, the bracing piece 533 is fixed to tooth form swivel 532 and to the slope of suspension cable 4 setting, the bracing piece 533 has a plurality ofly along the circumference evenly distributed of tooth form swivel 532, cleaning block 534 is fixed to the tip of bracing piece 533 and with suspension cable 4 butt, motor 531 drives tooth form swivel 532 rotatory, so that cleaning block 534 carries out cleaning operation to suspension cable 4's surface, cleaning block 534 adopts rotatory mode to clean suspension cable 4 surface, the cleaning is effectual.

In one embodiment, the cleaning device 5 is first mounted and sleeved to the stay cable 4. Then, the cleaning mechanism 53 is started, the motor 531 drives the toothed rotating ring 532 to rotate through gear rotation, and then drives the cleaning block 534 to rotate around the axis of the stay cable 4 through the supporting rod 533, and the cleaning block 534 rotates along the surface of the stay cable 4 to clean the circumferential part of the stay cable 4. Finally, the moving mechanism 52 is started, the driving motor drives the driving roller 521 to rotate, and as the driving roller 521 and the driven roller 522 both have extrusion action on the stay cable 4, the axial direction of the driving roller 521 is perpendicular to the axial direction of the stay cable 4, and the driving roller 521 rotates to move along the extending direction of the stay cable 4, so that the whole cleaning device 5 is driven to move along the stay cable 4.

In one embodiment, the rotation speed of the driving motor is adjustable, and a worker adjusts the speed of the cleaning device 5 moving along the suspension cable 4 by adjusting the rotation speed of the driving motor, so that the cleaning block 534 can sufficiently clean the surface of the suspension cable 4. When the cleaning mechanism moves to the top of the stay cable 4 along the stay cable 4 through remote control by the driving motor, the working personnel reversely rotates through remote control by the driving motor, so that the cleaning device 5 can move downwards to the bottom of the stay cable 4 again along the stay cable 4.

Preferably, the moving mechanism 52 further comprises a driving motor, a supporting frame 523 and a first spring 524, the driving motor provides power for the rotation of the driving roller 521, first square bearings 525 are installed on two sides of the driving roller 521, second square bearings 526 are installed on two sides of the driven roller 522, the first square bearings 525 are installed and fixed on the supporting frame 523, the second square bearings 526 are in sliding connection with the supporting frame 523, and the first spring 524 is connected between the first square bearings 525 and the second square bearings 526, so that the driving roller 521 and the driven roller 522 elastically clamp the stay cable 4, and the moving mechanism 52 is convenient to move along the extending direction of the stay cable 4.

In one embodiment, the drive roller 521 and the driven roller 522 resiliently grip the stay cable 4. When the cleaning device 5 moves along the stay cable 4, when the surface of the stay cable 4 is provided with a convex obstacle, the second square bearings 526 on both sides of the driven roller 522 generate expansion sliding relative to the supporting frame 523, and the first spring 524 is elongated, so that the moving mechanism 52 passes over the convex obstacle on the surface of the stay cable 4. The position of the driving roller 521 mounted and fixed to the supporting frame 523 is adjustable so that stay cables 4 of various diameters can be sandwiched between the driving roller 521 and the driven roller 522.

Preferably, both the driving roller 521 and the driven roller 522 have an arcuate surface 527 that mates with the stay cable 4, increasing the contact area with the stay cable 4, thereby increasing the driving performance of the movement mechanism 52 along the stay cable 4.

In one embodiment, the driving roller 521 and the driven roller 522 are each a cylindrical structure with a thin middle and thick two sides.

Preferably, the arc-shaped surface 527 of the driving roller 521 is provided with a non-slip bar 5211, the extending direction of the non-slip bar 5211 is consistent with the axial direction of the driving roller 521, so that friction between the driving roller 521 and the stay cable 4 is increased, and the driving roller 521 is helped to drive the whole cleaning device 5 to move along the stay cable 4.

Preferably, the arc-shaped surface 527 of the driven roller 522 is provided with a plurality of anti-slip rings 5221, the circle centers of the anti-slip rings 5221 are all positioned on the axis of the driven roller 522, the friction force between the driven roller 522 and the stay cable 4 in the circumferential direction of the stay cable 4 is increased, the influence of the rotation of the cleaning mechanism 53 on the moving mechanism 52 is reduced, and the stability of the moving mechanism 52 during moving along the stay cable 4 is improved.

In one embodiment, the cleaning mechanism 53 rotates the cleaning block 534 of the cleaning mechanism 53 relative to the axis of the stay cable 4 as the cleaning mechanism 53 cleans the surface of the stay cable 4. In order to reduce the rotation of the cleaning block 534 of the cleaning mechanism 53 and drive the whole cleaning device 5 to rotate, a plurality of anti-slip rings 5221 are mounted on the surface of the arc-shaped surface 527 of the driven roller 522, so as to increase the friction force of the cleaning device relative to the stay cable 4 in the circumferential direction of the stay cable 4, and ensure the cleaning effect of the cleaning mechanism 53.

Preferably, a mounting bar 5222 is arranged on one side of the second square bearing 526, which is close to the first spring 524, the mounting bar 5222 is fixedly connected with the first spring 524, and the mounting bar 5222 is connected with the second square bearing 526 through bolts, so that the driving roller 521 and the driven roller 522 are conveniently mounted on two sides of the stay cable 4.

Preferably, the motor 531 drives the toothed swivel 532 to rotate around the central line of the stay cable 4 through gear transmission, and adopts a gear transmission mode, so that the transmission is stable, the vibration is buffered and absorbed, the structure is simple, and the use and the maintenance are convenient.

Preferably, the cleaning block 534 comprises a cleaning seat 5341 and a cleaning head 5342, wherein a T-shaped groove is formed in the cleaning seat 5341, the cleaning head 5342 is provided with a T-shaped part matched with the T-shaped groove, and the T-shaped groove and the T-shaped part are mutually matched to realize connection of the cleaning block 534 and the cleaning head 5342. A second spring 5343 is mounted between the T-shaped portion and the T-shaped slot to allow the cleaning head 5342 to be resiliently mounted to the cleaning block 534, helping to improve the cleaning effect of the cleaning head 5342 on the stay cable 4.

Preferably, the side of the cleaning head 5342 near the stay cable 4 has a second arc-shaped surface 5344 matching with the surface of the stay cable 4, so as to increase the contact area between the cleaning head 5342 and the stay cable 4, and improve the cleaning efficiency of the cleaning head 5342 on the stay cable 4.

Preferably, the annular housing 51 includes a first housing 511 and a second housing 512, and the first housing 511 and the second housing 512 are fixed by bolting, so as to facilitate the sleeving of the annular housing 51 to the stay cable 4.

When adopting the cable device of a limit tower cable-stayed bridge, through cup jointing installation cleaning device 5 on the suspension cable 4, realize cleaning up spot, the dust on the surface of suspension cable 4, improve the clean and tidy degree and the aesthetic property on suspension cable 4 surface, adopt cleaning device 5 to clean suspension cable 4, compare manual cleaning, convenient operation, efficient and factor of safety is high. Wherein, the mode that adopts drive roller 521 and driven voller 522 centre gripping stay cable 4 of moving mechanism 52 drives cleaning device 5 to advance, has effectively increased the travelling performance of moving mechanism 52 on stay cable 4. The cleaning mechanism 53 cleans the surface of the stay cable 4 in a rotating manner, so that the cleaned surface of the stay cable 4 has higher cleanliness.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. A cable device of a side tower cable-stayed bridge, which connects a cable tower and a main beam, characterized in that the cable device comprises:

the stay cable is connected with the cable tower and the main beam;

the cleaning device comprises an annular shell, a moving mechanism and a cleaning mechanism, wherein the annular shell is sleeved on the stay cable, the moving mechanism is installed in the annular shell and comprises a driving roller and a driven roller which is elastically connected to the driving roller, the stay cable is located between the driving roller and the driven roller, the driving roller rotates to drive the cleaning device to move along the extension direction of the stay cable, the cleaning mechanism is installed on the outer side of the annular shell and comprises a motor, a tooth-shaped rotating ring, a supporting rod and a cleaning block, the supporting rod is fixed to the tooth-shaped rotating ring and obliquely arranged towards the stay cable, a plurality of supporting rods are uniformly distributed along the circumferential direction of the tooth-shaped rotating ring, and the cleaning block is fixed to the end part of the supporting rod and is abutted to the stay cable and drives the tooth-shaped rotating ring to rotate so that the cleaning block cleans the surface of the stay cable.

2. The cable device of claim 1, wherein the moving mechanism further comprises a driving motor, a supporting frame and a first spring, the driving motor provides power for the rotation of the driving roller, a first square bearing is installed on two sides of the driving roller, a second square bearing is installed on two sides of the driven roller, the first square bearing is installed and fixed on the supporting frame, the second square bearing is in sliding connection with the supporting frame, and the first spring is connected between the first square bearing and the second square bearing.

3. A cable arrangement for a pylon cable-stayed bridge according to claim 2, wherein the drive roller and the driven roller each have an arcuate surface for engagement with the stay cable.

4. A cable arrangement for a pylon cable-stayed bridge according to claim 3, wherein the arcuate surface of the drive roller is provided with a slip-resistant strip extending in a direction which is aligned with the axial direction of the drive roller.

5. A cable device for a pylon cable-stayed bridge according to claim 3, wherein the arcuate surface of the driven roller is provided with a plurality of anti-slip rings, and the center of each anti-slip ring is located on the axis of the driven roller.

6. The cable device of claim 2, wherein a mounting bar is arranged on one side of the second square bearing close to the first spring, the mounting bar is fixedly connected with the first spring, and the mounting bar is connected with the second square bearing through a bolt.

7. A cable arrangement for a pylon cable-stayed bridge according to claim 1, wherein the motor drives the toothed wheel to rotate about the central axis of the cable by means of a gear transmission.

8. The cable device of claim 1, wherein the cleaning block comprises a cleaning seat and a cleaning head, a T-shaped groove is formed in the cleaning seat, the cleaning head is provided with a T-shaped part matched with the T-shaped groove, and a second spring is installed between the T-shaped part and the T-shaped groove.

9. The cable assembly of claim 8, wherein a side of the cleaning head adjacent to the stay cable has a second arcuate surface that mates with a surface of the stay cable.

10. The cable assembly of claim 1, wherein the annular housing comprises a first housing and a second housing, the first housing and the second housing being secured by bolting.