CN221989095U - A cable saddle installation structure for a low-tower cable-stayed bridge - Google Patents
A cable saddle installation structure for a low-tower cable-stayed bridge Download PDFInfo
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- CN221989095U CN221989095U CN202420587317.9U CN202420587317U CN221989095U CN 221989095 U CN221989095 U CN 221989095U CN 202420587317 U CN202420587317 U CN 202420587317U CN 221989095 U CN221989095 U CN 221989095U
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Abstract
The utility model discloses a cable saddle installation structure of a cable dividing pipe of a low-tower cable-stayed bridge, and relates to the technical field of bridge construction; the utility model mainly comprises a cable tower, a stiff framework, a wire dividing pipe body and a lifting assembly, wherein the stiff framework is fixedly arranged at the top of the cable tower, wire dividing pipe anchor backing plates are fixedly sleeved at two ends of the wire dividing pipe body, auxiliary guide pipes are arranged at two ends of the wire dividing pipe body, mounting tables are fixedly arranged at two opposite sides of the stiff framework, positioning angle steel is arranged on the mounting tables, positioning pieces are arranged on the positioning angle steel, the bottoms of the two wire dividing pipe anchor backing plates correspond to the two positioning pieces respectively, and the lifting assembly is arranged on the stiff framework. The auxiliary guide pipe can ensure that a measurer controls the outlet coordinates of the wire dividing pipe, the positioning angle steel is welded at the corresponding position through lofting of the level gauge and the total station, and finally the two branch pipe anchor backing plates are welded on the two positioning pieces, so that the accuracy of the installation of the wire dividing pipe saddle can be ensured.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a cable saddle installation structure of a cable dividing pipe of a low-tower cable-stayed bridge.
Background
The low-tower cable-stayed bridge is a cable-stayed combined system bridge between continuous beam and cable-stayed bridge, and has the characteristics of short tower, rigid beam and concentrated cable. Compared with a continuous beam, the low-tower cable-stayed bridge has the advantages of novel structure, large spanning capacity, simple construction, economy and the like; compared with cable-stayed bridge, the cable-stayed bridge has the advantages of convenient construction, material saving, high girder rigidity and the like. So that the low-tower cable-stayed bridge has wide development space.
Before the wire dividing pipe is installed, a stiff framework is required to be erected on the cable tower, then the wire dividing pipe is hoisted into the stiff framework through hoisting equipment, the wire dividing pipe is fixed, and then the cable tower is poured, so that the wire dividing pipe is fixed on the cable tower. However, the displacement of the wire dividing pipe is very difficult to control, and the mounting position of the wire dividing pipe is slightly deviated and the stress condition of the subsequent cable-stayed bridge is greatly influenced.
Disclosure of utility model
The utility model aims at: in order to solve the problems in the prior art, the utility model provides a cable saddle installation structure for a cable dividing pipe of a low-tower cable-stayed bridge.
The utility model adopts the following technical scheme for realizing the purposes:
The utility model provides a low tower cable-stay bridge divides silk pipe saddle mounting structure, includes cable tower, stiffness skeleton, divides silk pipe body and lifts by crane the subassembly, stiffness skeleton fixed mounting is in the top of cable tower, the both ends of dividing the silk pipe body are located respectively the both sides that stiffness skeleton is on the back of the body mutually, it is equipped with dividing silk pipe anchor backing plate to divide the fixed cover on the both ends of silk pipe body, all install auxiliary conduit on dividing the both ends of silk pipe body, stiffness skeleton is all fixed with the mount table in the both sides that are on the back of the body mutually, install location angle steel on the mount table, install the setting element on the location angle steel, two divide the bottom of silk pipe anchor backing plate to correspond with two respectively, it installs to lift by crane the subassembly on the stiffness skeleton.
Preferably, the positioning piece comprises two positioning blocks which are fixed at the top of the positioning angle steel, one side of each positioning block opposite to the other side is configured as an inclined plane, and an included angle between the two inclined planes is ninety degrees.
Preferably, the number of the hoisting components is two and the hoisting components are symmetrically arranged, the hoisting components comprise a chain block installed on the stiff framework, a hoisting ring is fixedly installed at the free end of a chain in the chain block, and the hoisting ring is sleeved on the wire dividing pipe body.
Preferably, the auxiliary conduit is rigidly connected with the tube body.
Preferably, two adjacent side edges at the bottom of the thread-dividing pipe anchor backing plate are respectively welded with the side edges of the two positioning blocks.
Preferably, the positioning angle steel is welded with the mounting table.
Preferably, a bolt is connected between the positioning angle steel and the mounting table.
The beneficial effects are that:
When the method is operated, the coordinates of the port of the wire dividing pipe are calculated by utilizing the geometric relationship according to the space coordinates of the top end of the wire dividing pipe body provided by the design drawing, the auxiliary guide pipe can ensure that a measurer controls the outlet coordinates of the wire dividing pipe, positioning angle steel is welded at the corresponding position through lofting of a level gauge and a total station, and finally two branch pipe anchor backing plates are welded on two positioning pieces, so that the accuracy of the installation of the wire dividing pipe saddle can be ensured, and the construction and the installation of the whole bridge can be completed in a short time, thereby improving the construction efficiency and the construction quality.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a perspective cross-sectional view of FIG. 1 in accordance with the present utility model;
fig. 3 is a schematic perspective view of a portion of the structure of fig. 1 according to the present utility model.
In fig. 1-3:
1. A cable tower; 2. a stiff skeleton; 3. a filament dividing tube body; 4. a lifting assembly; 21. a mounting table; 22. positioning angle steel; 23. a positioning piece; 24. a bolt; 31. a wire-dividing pipe anchor backing plate; 32. an auxiliary conduit; 41. chain block; 42. a hanging ring; 231. and (5) positioning blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The application provides a cable saddle installation structure of a cable dividing pipe of a low-tower cable-stayed bridge, which is mainly used for solving the problem that the stress condition of a subsequent cable-stayed bridge is greatly influenced due to slight deviation of the installation position of the cable dividing pipe, and provides the following technical scheme, and the following technical scheme is described in detail with reference to fig. 1-3:
The utility model provides a short-tower cable-stayed bridge divides silk pipe saddle mounting structure, mainly include cable tower 1, stiffness skeleton 2, divide silk pipe body 3 and hoisting component 4, cable tower 1 is the important bearing structure of short-tower cable-stayed bridge, play the effect of supporting whole bridge, build by concrete and steel construction, stiffness skeleton 2 fixed mounting is at the top of cable tower 1, divide silk pipe body 3's both ends to be located stiffness skeleton 2 both sides that are opposite each other respectively, divide silk pipe body 3's both ends to be fixed the cover and be equipped with divide silk pipe anchor backing plate 31, stiffness skeleton 2 is a rigid bridge floor structure, it is fixed at cable tower 1 top, and divide silk pipe body 3 and stiffness skeleton 2 to link together through divide silk pipe anchor backing plate 31, stiffness skeleton 2's effect is the rigid support that provides, prevent to take place excessive deformation or vibration, stiffness skeleton 2 adopts steel construction to build, divide silk pipe body 3's both ends to install auxiliary conduit 32, the auxiliary conduit 32 is just connected with the filament dividing pipe body 3, the auxiliary conduit 32 has the function of ensuring that a measurer can control the coordinates of the outlet of the filament dividing pipe body 3, the diameter of the auxiliary conduit 32 is slightly smaller than that of the filament dividing pipe body 3, the length is set to ensure that the measurer can see the end part of the auxiliary conduit 32 at a river bank observation point, the auxiliary conduit 32 has the characteristics of strong rigidity and light material, the auxiliary conduit 32 is just connected with the filament dividing pipe body 3 to ensure the accurate positioning of the filament dividing pipe body 3 due to the dead weight of the auxiliary conduit 32 or the influence of wind force in the installation process, the filament dividing pipe body 3 is a key component part in the filament dividing pipe saddle installation structure, is connected with the stiff framework 2 through the filament dividing pipe anchor pad 31, the wire-dividing pipe body 3 is made of steel pipes, the two opposite sides of the stiff framework 2 are respectively fixed with a mounting table 21, a positioning angle steel 22 is arranged on the mounting table 21, the positioning angle steel 22 is welded with the mounting table 21, a positioning piece 23 is arranged on the positioning angle steel 22, the bottoms of two wire-dividing pipe anchor backing plates 31 respectively correspond to the two positioning pieces 23, the positioning angle steel 22 is an important part for connecting the wire-dividing pipe anchor backing plates 31 and the positioning pieces 23, the effect of the positioning angle steel 22 is to ensure the accurate position and the direction of the wire-dividing pipe body 3 in the mounting process, a lifting assembly 4 is arranged on the stiff framework 2, and the lifting assembly 4 is auxiliary equipment arranged on the stiff framework 2 and used for lifting the wire-dividing pipe body 3 in place.
Step one, checking the size and the angle of each tube body in the yarn dividing tube body 3 according to a drawing, and ensuring that the yarn dividing tube is completely consistent with the drawing;
Installing an auxiliary conduit 32 at the center of an outlet of the tube body, and rigidly connecting the auxiliary conduit 32 with the wire dividing tube to ensure the accurate positioning of the wire dividing tube body 3;
step three, welding and fixing the stiff embedded part on the vertical main reinforcement when the reinforcement of the first pouring section of the cable tower 1 is bound, so as to ensure that the position of the embedded part is accurate when the embedded part is fixed;
fourthly, after the first casting section of the cable tower 1 is cast, after the concrete strength reaches the requirement, the stiffness framework 2 is installed from the embedded part;
Fifthly, guiding the elevation to the cable tower 1 by using a steel tape, discharging the elevation of the bottom edge of the wire dividing pipe anchor backing plate 31 on the left side and the right side of the stiff skeleton 2 by using a level gauge respectively, and welding and positioning angle steel 22;
Step six, lofting by using a total station, lofting two corner points at the bottom edge of the wire dividing pipe anchor backing plate 31 on the positioning angle steel 22 welded in the previous step;
And step seven, the corner points of the bottom edge 31 of the wire dividing pipe anchor backing plate are corresponding to the placed points, and then the bottom edge of the wire dividing pipe anchor backing plate 31 is connected with the positioning piece 23 on the positioning angle steel 22, so that the elevation and the position of the lower bottom edge of the wire dividing pipe body 3 are guaranteed to be free of errors, but in order to ensure the installation verticality of the wire dividing pipe body 3, the position of the corner point of the upper edge of the wire dividing pipe body 3 is placed by a total station, and after checking and determining the error, the wire dividing pipe body 3 is welded and fixed on the stiff framework 2.
Specifically, referring to fig. 2 and 3, the positioning member 23 includes two positioning blocks 231 that are both fixed on the top of the positioning angle steel 22, two opposite sides of the two positioning blocks 231 are both configured as inclined planes, and an included angle between the two inclined planes is ninety degrees, and the two positioning blocks 231 can accurately position the bottom of the distributor anchor pad 31; two adjacent side edges at the bottom of the filament dividing pipe anchor backing plate 31 are respectively welded with the side edges of the two positioning blocks 231, and the stability of connection is high.
In this embodiment, referring to fig. 2, the number of the hoisting components 4 is two and symmetrically arranged, the hoisting components 4 include a chain block 41 mounted on the stiff skeleton 2, a hanging ring 42 is fixedly mounted on a free end of a chain in the chain block 41, the hanging ring 42 is sleeved on the filament dividing tube body 3, the hoisting components 4 are implemented by hanging the chain on the hanging ring 42 of the filament dividing tube body 3 by adopting the chain block 41, and manual operation is performed, so that the filament dividing tube body 3 reaches a predetermined position.
Further, referring to fig. 3, a bolt 24 is connected between the positioning angle 22 and the mounting table 21, and the stability between the positioning angle 22 and the mounting table 21 can be enhanced by connecting the bolt 24.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a low tower cable-stay bridge divides silk pipe saddle mounting structure, its characterized in that, including cable tower (1), strength nature skeleton (2), divide silk pipe body (3) and lifting means (4), strength nature skeleton (2) fixed mounting is in the top of cable tower (1), the both ends of dividing silk pipe body (3) are located respectively the both sides that strength nature skeleton (2) carried on the back mutually, it is equipped with branch silk pipe anchor backing plate (31) to divide the fixed cover in both ends of silk pipe body (3), all install auxiliary conduit (32) on the both ends of dividing silk pipe body (3), both sides that strength nature skeleton (2) carried on the back all are fixed with mount table (21), install location angle steel (22) on mount table (21), install setting element (23) on location angle steel (22), two the bottom of dividing silk pipe anchor backing plate (31) corresponds with two respectively setting element (23), lifting means (4) are installed on strength nature skeleton (2).
2. The cable saddle installation structure for the cable splitting pipe of the low-tower cable-stayed bridge according to claim 1, wherein the positioning piece (23) comprises two positioning blocks (231) which are fixed at the top of the positioning angle steel (22), one side of each positioning block (231) opposite to the other side is configured as an inclined plane, and an included angle between the two inclined planes is ninety degrees.
3. The cable saddle installation structure for the cable dividing pipe of the low-tower cable-stayed bridge according to claim 1, wherein the number of the hoisting assemblies (4) is two and the hoisting assemblies are symmetrically arranged, the hoisting assemblies (4) comprise chain blocks (41) arranged on the stiff framework (2), hanging rings (42) are fixedly arranged at free ends of chains in the chain blocks (41), and the hanging rings (42) are sleeved on the cable dividing pipe body (3).
4. A cable saddle mounting structure for a cable-stayed bridge branching pipe according to claim 1, wherein the auxiliary conduit (32) is rigidly connected to the branching pipe body (3).
5. The cable saddle installation structure for the cable dividing pipe of the low-tower cable stayed bridge according to claim 2, wherein two adjacent side edges at the bottom of the cable dividing pipe anchor backing plate (31) are welded with the side edges of the two positioning blocks (231) respectively.
6. The cable saddle installation structure for the cable splitting pipe of the low-tower cable-stayed bridge according to claim 1, wherein the positioning angle steel (22) is welded with the installation table (21).
7. The cable saddle installation structure for the cable splitting pipe of the low-tower cable-stayed bridge according to claim 1, wherein bolts (24) are connected between the positioning angle steel (22) and the installation table (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420587317.9U CN221989095U (en) | 2024-03-25 | 2024-03-25 | A cable saddle installation structure for a low-tower cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420587317.9U CN221989095U (en) | 2024-03-25 | 2024-03-25 | A cable saddle installation structure for a low-tower cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221989095U true CN221989095U (en) | 2024-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420587317.9U Active CN221989095U (en) | 2024-03-25 | 2024-03-25 | A cable saddle installation structure for a low-tower cable-stayed bridge |
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| Country | Link |
|---|---|
| CN (1) | CN221989095U (en) |
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2024
- 2024-03-25 CN CN202420587317.9U patent/CN221989095U/en active Active
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Effective date of registration: 20251022 Granted publication date: 20241112 |
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