CN211815494U - Single-tower back-cable-free cable-stayed bridge - Google Patents
Single-tower back-cable-free cable-stayed bridge Download PDFInfo
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- CN211815494U CN211815494U CN202020411837.6U CN202020411837U CN211815494U CN 211815494 U CN211815494 U CN 211815494U CN 202020411837 U CN202020411837 U CN 202020411837U CN 211815494 U CN211815494 U CN 211815494U
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Abstract
The utility model relates to a single-tower back-cable-free cable-stayed bridge belongs to bridge engineering field, and it includes the pontic, the bottom of pontic distributes along self length direction has a plurality of piers, be provided with the tower diagonal that draws on the pontic, one side of tower diagonal is provided with many suspension cables, many along self length direction the one end that the tower diagonal was kept away from to the suspension cable is all fixed to be set up at the pontic, the both sides of pontic all are provided with the rail guard along self length direction, both sides one side that the rail guard was kept away from each other all is provided with prevents throwing the subassembly, prevent throwing the subassembly and include a plurality of net, adjacent two prevent throwing the net head and link to each other. The utility model discloses have and be convenient for hold back the effect in order to avoid rubbish to fall into river to the rubbish on the pontic.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering's technique and specifically relates to a single-tower does not have back of body cable-stay bridge is related to.
Background
The cable-stayed bridge is used as a classic bridge type suitable for various spans, and great achievement is achieved in bridge construction in China. China's cable-stayed bridges are all over the country, and among the bridges, small-span cable-stayed bridges with span less than 50m and large-span cable-stayed bridges with span more than 500m exist; the tower type comprises a single tower, double towers, multiple towers, an inclined tower, a low tower, a high tower and a low tower; beam shapes of various materials such as concrete beams, steel beams, composite beams, hybrid beams and the like; there are various types of cables such as parallel cables, steel strand cables, and rigid cables. The bridges on the urban traffic main roads at home and abroad are mostly designed into landscape bridges such as arch bridges, cable-stayed bridges, suspension bridges and the like, and the most attractive form adopted in the cable-stayed bridge is a back-cable-free double-cable-side leaning tower bridge. This form of bridge construction is being increasingly used in urban bridge design.
The existing Chinese patent with the publication number of CN208023388U discloses a single tower unequal span anchor cable-stayed bridge, and the key points of the technical scheme are as follows: the bridge comprises a main tower, a bridge abutment, and a large-span main beam, a small-span main beam and a ground anchor which are adjacently arranged; the main tower is provided with a main tower support, the large-span main beam and the small-span main beam are supported on the main tower through the main tower support, the other end of the small-span main beam is connected with the ground anchor, the abutment support is arranged on the abutment, and the large-span main beam is supported on the abutment through the abutment support; a plurality of large-span stay cables are arranged between the main tower and the large-span main beam, a plurality of small-span stay cables are arranged between the main tower and the small-span main beam, and a plurality of ground anchor stay cables are arranged between the main tower and the ground anchor; and a prestressed anchor cable is arranged at the bottom of the ground anchor.
The above prior art solutions have the following drawbacks: because the pedestrian and the vehicle that pass through on cable-stay bridge are more, inevitably can produce some rubbish, and above-mentioned technical scheme can't hold back rubbish, and partial rubbish can fall into the river from the both sides of pontic, causes the pollution to the water resource.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a single-tower does not have back of body cable-stay bridge has and is convenient for hold back the advantage that falls into river in order to avoid rubbish to the rubbish on the pontic.
The utility model aims at realizing through the following technical scheme:
the utility model provides a single-tower no back cable-stayed bridge, includes the pontic, the bottom of pontic distributes along self length direction has a plurality of piers, be provided with the diagonal tower on the pontic, one side of diagonal tower is provided with many suspension cables, many the one end that the diagonal tower was kept away from to the suspension cable is all fixed the setting in the pontic, the both sides of pontic all are provided with the rail guard along self length direction, both sides one side that the rail guard was kept away from each other all is provided with prevents throwing the subassembly, prevent throwing the subassembly and include a plurality of net, adjacent two prevent throwing the net head and link to each other.
Through adopting above-mentioned technical scheme, set up a plurality of nets of preventing throwing through the both sides at the pontic, collect the rubbish that drops from the pontic both sides to avoided rubbish to a certain extent to directly fall into the river from the pontic both sides, cause the pollution to the river water of pontic below.
The utility model discloses a further set up to: the anti-throwing net comprises a frame body, a bottom net and a side net, wherein the frame body is fixedly arranged on the bridge body, the bottom net is obliquely arranged along the length direction of the frame body, and the side net is arranged on one side, far away from the bridge body, of the bottom net.
Through adopting above-mentioned technical scheme, through setting up the slope of end net, after rubbish drops into from the pontic and prevents throwing the net, can fall to the lower one end of end net from the higher one end of end net to conveniently collect rubbish, the staff only need prevent throwing the net at the minimum terminal pair of end net and clear up, reduced intensity of labour.
The utility model discloses a further set up to: the lower extreme of end net is provided with collects the frame, the height that highly is less than end net of collecting the frame, the top of collecting the frame is provided with the lifting rope that is used for mentioning the collection frame.
Through adopting above-mentioned technical scheme, collect the frame through the lower extreme setting at the end net, after rubbish removes from the highest end of end net to the lower extreme of end net, fall into and collect in the frame, after collecting the frame and filling up rubbish, the staff will collect the frame through the pulling lifting rope and pull up, then pour rubbish to the assigned position from collecting the frame.
The utility model discloses a further set up to: one end of the lifting rope, which is far away from the collecting frame, is fixedly arranged on the protective guard.
Through adopting above-mentioned technical scheme, through keeping away from the fixed setting on the rail guard of the one end of collecting the frame with the lifting rope to the staff finds the lifting rope and operates, makes the lifting rope be difficult for dropping simultaneously.
The utility model discloses a further set up to: the lifting rope is provided with a hook, and the protective guard is provided with a hanging ring for hanging the hook.
By adopting the technical scheme, the lifting rope is provided with the hook, and the protective guard is provided with the hanging ring, so that the lifting rope is fixed on the protective guard.
The utility model discloses a further set up to: the protective guard is provided with pulleys, and the lifting ropes are erected on the pulleys.
Through adopting above-mentioned technical scheme, through set up the pulley on the rail guard to set up the lifting rope on the pulley, in order to avoid lifting rope and rail guard direct emergence friction and lead to lifting rope wearing and tearing even fracture.
The utility model discloses a further set up to: a plurality of pull ropes are distributed on the bottom net along the length direction of the bottom net, and one ends of the pull ropes, far away from the bottom net, are arranged on the guard rails.
Through adopting above-mentioned technical scheme, through set up the stay cord on end net, make end net take place to rock through the pulling stay cord to shake off partial accumulation rubbish on the protection network, conveniently make rubbish remove to the lowest of end net in collecting the frame.
The utility model discloses a further set up to: a plurality of knots are arranged on the lifting rope along the length direction of the lifting rope, and a pulling handle is arranged at one end of the pulling rope, which is far away from the bottom net.
Through adopting above-mentioned technical scheme, through setting up a plurality of knots on the lifting rope to in pulling the lifting rope, will collect the frame and upwards promote, through setting up the pulling handle on the stay cord, so that the staff holds the pulling handle so that the pulling stay cord.
To sum up, the utility model discloses a following beneficial technological effect:
1. the utility model discloses a set up a plurality of nets of preventing throwing in the both sides of the pontic, collect the rubbish that drops from the pontic both sides to avoided rubbish to a certain extent to directly fall into the river from the pontic both sides, cause the pollution to the river of pontic below.
2. The utility model discloses a set up the slope of end net, fall into from the pontic when rubbish and prevent throwing the net after, can fall to the lower one end of end net from the higher one end of end net to the convenience is collected rubbish, and the staff only needs prevent throwing at the minimum terminal pair of end net and nets and clear up convenient operation.
3. The utility model discloses a set up the collection frame at the lower of end net, after rubbish removes from the highest end of end net to the lower of end net, fall into in the collection frame, after the frame is filled with rubbish to the collection frame, the staff will collect the frame through the pulling lifting rope and pull up, then pour rubbish to the assigned position from collecting the frame.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a guard rail and an anti-throwing net according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure, 1, a bridge body; 11. a bridge pier; 12. obliquely pulling the tower; 13. a stay cable; 14. protecting the fence; 141. hanging a ring; 142. a pulley; 2. preventing throwing the net; 21. a frame body; 22. a bottom net; 221. pulling a rope; 222. pulling the handle; 23. a side net; 3. a collection frame; 31. a lift cord; 311. hooking; 312. and (6) knotting.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a single-tower no back cable-stayed bridge, including the pontic 1, the bottom of pontic 1 distributes along self length direction has a plurality of piers 11, is provided with diagonal tower 12 on the pontic 1, and one side of diagonal tower 12 is provided with many suspension cables 13 along self length direction, and the one end that oblique tower 12 was kept away from to many suspension cables 13 is all fixed to be set up in pontic 1, and pontic 1's both sides all are provided with rail guard 14 along self length direction.
As shown in fig. 1 and 2, the side of the guard rails 14 at two sides, which are far away from each other, are provided with an anti-throwing assembly, the anti-throwing assembly is composed of a plurality of anti-throwing nets 2 which are connected at the head, the anti-throwing net 2 comprises a frame body 21, a bottom net 22 and a side net 23, the frame body 21 is fixedly arranged on the bridge body 1, the bottom net 22 is obliquely arranged along the length direction of the frame body 21, when garbage falls onto the anti-throwing net 2 from the bridge body 1, the garbage falls from the higher end of the bottom net 22 to the lower end of the bottom net 22, so that the garbage is convenient to collect, the side net 23 is arranged at the side of the bottom net 22, which is far away from the bridge body 1, the side net 23 is in a U-shaped structure, so as to block the garbage, so that the garbage is difficult to fall from the anti-throwing net 2, the lowest end of the bottom net 22 is provided with a collecting frame 3, the height of the collecting frame 3 is lower than that of the bottom net 22, the top of the collecting frame 3 is provided with a lifting rope, fall into the collection frame 3, after the collection frame 3 is filled with the garbage, the worker pulls up the collection frame 3 by pulling the lifting rope 31, and then pours out the garbage to a specified position from the collection frame 3.
As shown in fig. 2 and 3, a hook 311 is disposed at one end of the lifting rope 31 far from the collecting frame 3, a hanging ring 141 for hanging the hook 311 is disposed on the guard rail 14, the hook 311 is hung on the hanging ring 141, so that the lifting rope 31 can be conveniently fixed on the guard rail 14, a worker can conveniently find the lifting rope 31 to operate, and the lifting rope 31 is not easy to drop, a pulley 142 is disposed on the guard rail 14, the lifting rope 31 is erected on the pulley 142 to prevent the lifting rope 31 from being worn or even broken due to direct friction between the lifting rope 31 and the guard rail 14, and a plurality of knots 312 are disposed on the lifting rope 31 along the length direction of the lifting rope 31, so that the worker can conveniently pull the lifting rope 31 to lift the collecting frame 3 upwards.
As shown in fig. 3, a plurality of pulling ropes 221 are distributed on the bottom net 22 along the length direction thereof, one ends of the pulling ropes 221, which are far away from the bottom net 22, are all arranged on the guard rail 14, the bottom net 22 is shaken by pulling the pulling ropes 221, so that part of the garbage accumulated on the guard net is shaken off, the garbage is conveniently moved into the collecting frame 3 toward the lowest end of the bottom net 22, and pulling handles 222 are arranged on the pulling ropes 221, so that a worker can conveniently hold the pulling handles 222 to pull the pulling ropes 221.
The implementation principle of the embodiment is as follows: the two sides of the bridge body 1 are provided with the plurality of anti-throwing nets 2, and garbage falling from the two sides of the bridge body 1 is collected, so that the garbage is prevented from directly falling into rivers from the two sides of the bridge body 1 to a certain extent, and the river water below the bridge body 1 is polluted.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a single-tower no back cable-stay bridge, includes the pontic (1), the bottom of pontic (1) distributes along self length direction has a plurality of piers (11), be provided with oblique guyed tower (12) on pontic (1), one side of oblique guyed tower (12) is provided with many suspension cables (13), many along self length direction the one end that oblique guyed tower (12) were kept away from in suspension cable (13) is all fixed the setting in pontic (1), the both sides of pontic (1) all are provided with rail guard (14), its characterized in that along self length direction: the anti-throwing device is characterized in that anti-throwing components are arranged on the sides, far away from each other, of the guard railings (14) on the two sides, each anti-throwing component comprises a plurality of anti-throwing nets (2), and the two adjacent anti-throwing nets (2) are connected in the head position.
2. The single-pylon backless cable-stayed bridge according to claim 1, wherein: prevent throwing net (2) including framework (21), end net (22) and side net (23), framework (21) are fixed to be set up on pontic (1), end net (22) set up along the length direction slope of framework (21), side net (23) set up the one side of keeping away from pontic (1) at end net (22).
3. The single-pylon backless cable-stayed bridge according to claim 2, wherein: the lower extreme of end net (22) is provided with collects frame (3), the height that highly is less than end net (22) of collecting frame (3), the top of collecting frame (3) is provided with lifting rope (31) that are used for mentioning and collect frame (3).
4. The single-pylon backless cable-stayed bridge according to claim 3, wherein: one end of the lifting rope (31) far away from the collecting frame (3) is fixedly arranged on the guard rail (14).
5. The single-pylon backless cable-stayed bridge according to claim 4, wherein: the lifting rope (31) is provided with a hook (311), and the guard rail (14) is provided with a hanging ring (141) for hanging the hook (311).
6. The single-pylon backless cable-stayed bridge according to claim 4, wherein: the protective guard (14) is provided with a pulley (142), and the lifting rope (31) is erected on the pulley (142).
7. The single-pylon backless cable-stayed bridge according to claim 3, wherein: a plurality of pull ropes (221) are distributed on the bottom net (22) along the length direction of the bottom net, and one ends of the pull ropes (221) far away from the bottom net (22) are arranged on the guard rail (14).
8. The single-pylon backless cable-stayed bridge according to claim 7, wherein: a plurality of knots (312) are arranged on the lifting rope (31) along the length direction of the lifting rope, and a pulling handle (222) is arranged at one end of the pulling rope (221) far away from the bottom net (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411837.6U CN211815494U (en) | 2020-03-25 | 2020-03-25 | Single-tower back-cable-free cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411837.6U CN211815494U (en) | 2020-03-25 | 2020-03-25 | Single-tower back-cable-free cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211815494U true CN211815494U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411837.6U Active CN211815494U (en) | 2020-03-25 | 2020-03-25 | Single-tower back-cable-free cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211815494U (en) |
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2020
- 2020-03-25 CN CN202020411837.6U patent/CN211815494U/en active Active
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