CN212052270U - Main cable profile steel anchoring system of large-span suspension bridge - Google Patents

Main cable profile steel anchoring system of large-span suspension bridge Download PDF

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Publication number
CN212052270U
CN212052270U CN201922143501.6U CN201922143501U CN212052270U CN 212052270 U CN212052270 U CN 212052270U CN 201922143501 U CN201922143501 U CN 201922143501U CN 212052270 U CN212052270 U CN 212052270U
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China
Prior art keywords
anchor
anchor beam
rod
anchor rod
anchoring system
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CN201922143501.6U
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Chinese (zh)
Inventor
张清利
黄舒驰
张雨乐
唐国良
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Hubei Provincial Road & Bridge Co ltd
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Hubei Provincial Road & Bridge Co ltd
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Abstract

The utility model relates to a main cable profile steel anchoring system of a long-span suspension bridge, which comprises an anchor beam placing pit preset in a foundation, a temporary adjusting and fixing system arranged on a rear bracket, an anchor beam and anchor rod anchoring system and a frame accurate positioning and mounting system; the lower parts of the rear anchor beam and the diagonal brace are arranged in the anchor beam placing pit; the temporary adjusting and fixing system comprises an inclined stay bar, an adjusting wedge block and an anchor rod adjusting block; the anchor beam and anchor rod anchoring system comprises a rear anchor beam, an anchor rod and a connecting surface, wherein the anchor rod is connected with the rear anchor beam through the connecting surface; the frame accurate positioning and mounting system comprises a transverse limiting rod group on the rear support and a comb-shaped support on the front support. The utility model has the advantages that: the utility model discloses an accurate hoist and mount is guaranteed to interim adjustment fixing system, and anchor beam stock anchor system ensures the connection anchor of stock and back anchor beam, and frame accurate positioning installing the system ensures the pinpointing and fixing of stock to the precision of fully guaranteeing every position installation in the anchor system.

Description

Main cable profile steel anchoring system of large-span suspension bridge
Technical Field
The utility model relates to a bridge cable technical field, concretely relates to stride suspension bridge main push-towing rope shaped steel anchor system greatly.
Background
In the construction of suspension bridge engineering, the section steel anchoring system for fixing the cable is one of the main bearing members of the bridge, so that the installation of the main cable section steel anchoring system is the key of the construction control of the long-span suspension bridge, and has critical influence on the linearity of the bridge and the durability of the main body engineering.
Because the design and construction of the main cable profile steel system need to consider the diffusion and transmission of the pulling force, the design, positioning and installation of the anchoring system are the key points for ensuring the construction of the main cable profile steel system, and the safety and durability of the engineering are also concerned, so that the improved main cable profile steel anchoring system of the large-span suspension bridge is needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, provide a stride suspension bridge main push-towing rope shaped steel anchor system greatly.
The main cable profile steel anchoring system of the long-span suspension bridge comprises an anchor beam placing pit preset in a foundation, a temporary adjusting and fixing system arranged on a rear support, an anchor beam and anchor rod anchoring system and a frame accurate positioning and mounting system; the lower parts of the rear anchor beam and the diagonal brace are arranged in the anchor beam placing pit; the temporary adjusting and fixing system comprises an inclined stay bar, an adjusting wedge block and an anchor rod adjusting block; the anchor beam and anchor rod anchoring system comprises a rear anchor beam, an anchor rod and a connecting surface, wherein the anchor rod is connected with the rear anchor beam through the connecting surface; the frame accurate positioning and mounting system comprises a transverse limiting rod group on the rear bracket and a comb-shaped bracket on the front bracket; the rear anchor beam mainly comprises a rear anchor beam anchor body, an anchor rod joint and a groove arranged in the anchor body.
Preferably, the method comprises the following steps: the anchor beam placing pit is arranged at the lower part of the rear anchor beam, the inclined stay bar is placed in the anchor beam placing pit, the bottom of the inclined stay bar is provided with a support bracket, and the rear anchor beam is placed on the support bracket; and concrete is poured in the anchor beam placing pit.
Preferably, the method comprises the following steps: the diagonal brace is arranged on the rear bracket; rear bracket beams are uniformly arranged among the inclined support rods, and the adjusting wedge blocks are arranged on the rear bracket beams; the peripheral rods are connected with the lower portion of the rear support through the connecting rod, the peripheral rods are connected through the transverse limiting rod group, and the anchor rod adjusting block is arranged on the transverse limiting rod group.
Preferably, the method comprises the following steps: and the top of the adjusting wedge block is provided with a limit stop which is buckled and fixed with the anchor body of the rear anchor beam.
Preferably, the method comprises the following steps: the anchor rod is fixed to the anchor rod regulating block, and the cutting inclined plane in anchor rod regulating block top is unanimous with the anchor rod inclined plane, and the installation of anchor rod regulating block bottom and anchor rod regulating block matched with regulating block base set up spacing angle steel in the anchor rod outside.
Preferably, the method comprises the following steps: the anchor rod is connected with the rear anchor beam through a connecting surface arranged on the rear anchor beam, and a plurality of bolt holes are arranged on the connecting surface; the rear anchor beam and the anchor rod are both anchored on the connecting surface through bolts, and the rear anchor beam and the anchor rod are connected to form a structure which is wholly inclined and inclines to the inner side.
Preferably, the method comprises the following steps: the rear anchor beam anchor body is provided with an anchor rod joint, and the rear anchor beam anchor body is internally provided with an anchor body built-in groove matched with the limit stop.
The utility model has the advantages that: the utility model discloses an accurate hoist and mount is guaranteed to interim adjustment fixing system, and anchor beam stock anchor system ensures the connection anchor of stock and back anchor beam, and frame accurate positioning installing the system ensures the pinpointing and fixing of stock to the precision of fully guaranteeing every position installation in the anchor system.
Drawings
Fig. 1 is a schematic view of the main cable profile steel anchoring system of the long-span suspension bridge of the utility model.
Fig. 2 is a schematic plan view of the temporary adjustment fixing system of the present invention.
Fig. 3 is a schematic side view of the temporary adjustment fixing system of the present invention.
Fig. 4 is the utility model discloses a rear anchor roof beam is connected with stock anchor sketch map.
Fig. 5 is an enlarged schematic view of the connection surface of the present invention.
Fig. 6 is a schematic plan view of the frame accurate positioning and mounting system of the present invention.
Fig. 7 is a schematic view of positioning of the anchor rod in the transverse limit rod group according to the present invention.
Fig. 8 is a cross-sectional view of the anchor rod of the present invention positioned in the transverse limit rod group.
Fig. 9 is a schematic diagram of the comb-shaped support.
Description of reference numerals: 1-front support; 2-rear support; 3-wide flange section steel; 4-a cross bar; 5-I-steel; 6-rear support beam; 7-diagonal brace rods; 8-a connecting rod; 9-rear anchor beam; 10-adjusting the wedge block; 11-a base anchor; 12-embedding a base; 13-support the bracket; 14-anchor rod; 15-peripheral rods; 16-transverse limiting rod group; 17-limit stop; 18-temporary adjustment of the fixation system; 19-anchor beam placing pit; 20-rear anchor beam anchor body; 21-anchor rod joint; 22-a groove is arranged in the anchor body; 23-connecting surface; 24-bolt holes; 25-bolt; 26-anchor rod adjusting block; 27-adjusting block base; 28-limiting angle steel; 29-comb scaffold; 30-concrete.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
As shown in fig. 1, the main cable type steel anchoring system of the long-span suspension bridge mainly comprises an anchor beam placing pit 19 preset in a foundation, a temporary adjusting and fixing system 18 arranged on a rear bracket 2, an anchor beam anchor rod anchoring system and a frame accurate positioning and mounting system, wherein the rear anchor beam 9 and the anchor rod 14 are connected to form an overall oblique and inward inclined space shape. Two connected truss sheets on the rear bracket 2 are connected by an I-shaped steel 5. The peripheral bar 15 is connected to the lower portion of the rear bracket 2 by a connecting bar 8. The front and rear supports are fixedly connected with the embedded base 12 through the base anchoring piece 11. The lower part of the front bracket 1 is provided with a lower supporting rib. The anchor beam and anchor rod anchoring system mainly comprises an anchor rod joint 21 arranged on the rear anchor beam and anchor body 20, an anchor rod 14 and a connecting surface 23 for connecting the anchor rod joint and the anchor rod 14.
As shown in fig. 2 to 3, two adjusting wedges 10 are arranged at the section where a single anchor rod intersects each rear support cross beam 6 to control the z-axis rotation angle of the anchor rod, and a limit stop 17 which is obliquely and equidirectional with the adjusting wedges 10 is arranged at the top of each adjusting wedge 10, and the limit stop 17 can be buckled and fixed with a rear anchor beam anchor body 20. And two ends of the intersection section of each rear anchor beam 9 and each rear support beam 6 are respectively provided with an adjusting wedge block 10. The lower part of the anchor body 20 of the rear anchor beam is provided with an anchor body built-in groove 22 which is matched with the adjusting wedge 10, the size of the groove is the same as that of the limit stop 17, and the anchor body can be fixed in a limiting way without anchoring other auxiliary tools.
As shown in fig. 4 to 5, the rear anchor beam 9 is connected to the lower anchor and the lower anchor is connected to the upper anchor through the connecting surface 23, and then anchored through the connecting surface 23 by the bolts 25. The connection construction and the front and rear support combined installation are installed and positioned at one time.
As shown in fig. 6 to 8, anchor rod adjusting blocks 26 are arranged at the contact positions of the transverse limiting rod group 16 and the anchor rod 14, the top cutting inclined plane of the anchor rod adjusting block 26 is consistent with the inclined plane of the anchor rod 14, an adjusting block base 27 matched with the anchor rod adjusting block 26 is arranged at the bottom of the anchor rod adjusting block 26, and a limiting angle steel 28 is arranged on the outer side of the anchor rod 14.
As shown in fig. 9, comb-shaped brackets 29 are provided on the front frame 1, and each comb is designed such that only one anchor rod 14 passes through and is placed in a fixed state.
The transverse limiting rod group 16 on the rear bracket 2 and the comb-shaped bracket 29 on the front bracket 1 limit and fix the anchor rod 14.
The utility model discloses anchor system installation is under construction with concreting 30 in step.
Compare with current shaped steel anchoring system, the utility model has the advantages of back anchor beam, back anchor beam and the accurate location of stock.

Claims (7)

1. Stride suspension bridge main push-towing rope shaped steel anchor system greatly, its characterized in that: the device comprises an anchor beam placing pit (19) preset in a foundation, a temporary adjusting and fixing system (18) arranged on a rear bracket (2), an anchor beam and anchor rod anchoring system and a frame accurate positioning and mounting system; the lower parts of the rear anchor beam (9) and the diagonal brace (7) are arranged in the anchor beam placing pit (19); the temporary adjusting and fixing system (18) comprises an inclined stay bar (7), an adjusting wedge block (10) and an anchor rod adjusting block (26); the anchor beam and anchor rod anchoring system comprises a rear anchor beam (9), an anchor rod (14) and a connecting surface (23), wherein the anchor rod (14) is connected with the rear anchor beam (9) through the connecting surface (23); the frame accurate positioning and mounting system comprises a transverse limiting rod group (16) on the rear bracket (2) and a comb-shaped bracket (29) on the front bracket (1); the rear anchor beam (9) mainly comprises a rear anchor beam anchor body (20), an anchor rod joint (21) and an anchor body built-in groove (22).
2. The main cable type steel anchoring system of the long-span suspension bridge according to claim 1, characterized in that: an anchor beam placing pit (19) is arranged at the lower part of the rear anchor beam (9), an inclined stay bar (7) is placed in the anchor beam placing pit (19), a supporting bracket (13) is arranged at the bottom of the inclined stay bar (7), and the rear anchor beam (9) is placed on the supporting bracket (13); concrete (30) is poured in the anchor beam placing pit (19).
3. The main cable type steel anchoring system of the long-span suspension bridge according to claim 1, characterized in that: the inclined stay bar (7) is arranged on the rear bracket (2); rear bracket cross beams (6) are uniformly arranged among the inclined supporting rods (7), and adjusting wedge blocks (10) are arranged on the rear bracket cross beams (6); the peripheral rods (15) are connected with the lower portion of the rear support (2) through the connecting rods (8), the peripheral rods (15) are connected through the transverse limiting rod group (16), and the transverse limiting rod group (16) is provided with the anchor rod adjusting block (26).
4. The main cable type steel anchoring system of the long-span suspension bridge according to claim 3, characterized in that: and a limit stop (17) is arranged at the top of the adjusting wedge block (10), and the limit stop (17) is buckled and fixed with the rear anchor beam anchor body (20).
5. The main cable type steel anchoring system of the long-span suspension bridge according to claim 3, characterized in that: the anchor rod (14) is fixed in anchor rod regulating block (26), the top cutting inclined plane of anchor rod regulating block (26) is unanimous with anchor rod (14) inclined plane, anchor rod regulating block (26) bottom installation and anchor rod regulating block (26) matched with regulating block base (27), the anchor rod (14) outside sets up spacing angle steel (28).
6. The main cable type steel anchoring system of the long-span suspension bridge according to claim 1, characterized in that: the anchor rods (14) are connected with the rear anchor beam (9) through a connecting surface (23) arranged on the rear anchor beam (9), and a plurality of bolt holes (24) are arranged on the connecting surface (23); the rear anchor beam anchor body (20) and the anchor rod (14) are both anchored on the connecting surface (23) through bolts (25), and the rear anchor beam (9) and the anchor rod (14) are connected to form a structure which is inclined to the inner side and inclines integrally.
7. The main cable type steel anchoring system of the long-span suspension bridge according to claim 1, characterized in that: an anchor rod joint (21) is arranged on the rear anchor beam anchor body (20), and an anchor body built-in groove (22) is arranged in the rear anchor beam anchor body (20) and matched with the limit stop (17).
CN201922143501.6U 2019-12-02 2019-12-02 Main cable profile steel anchoring system of large-span suspension bridge Active CN212052270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922143501.6U CN212052270U (en) 2019-12-02 2019-12-02 Main cable profile steel anchoring system of large-span suspension bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922143501.6U CN212052270U (en) 2019-12-02 2019-12-02 Main cable profile steel anchoring system of large-span suspension bridge

Publications (1)

Publication Number Publication Date
CN212052270U true CN212052270U (en) 2020-12-01

Family

ID=73508545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922143501.6U Active CN212052270U (en) 2019-12-02 2019-12-02 Main cable profile steel anchoring system of large-span suspension bridge

Country Status (1)

Country Link
CN (1) CN212052270U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Main Cable Steel Anchorage System of Long Span Suspension Bridge

Effective date of registration: 20230927

Granted publication date: 20201201

Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch

Pledgor: HUBEI PROVINCIAL ROAD & BRIDGE Co.,Ltd.

Registration number: Y2023980059401

PE01 Entry into force of the registration of the contract for pledge of patent right