CN202214680U - Replacing device for suspender of tied-arch bridge - Google Patents
Replacing device for suspender of tied-arch bridge Download PDFInfo
- Publication number
- CN202214680U CN202214680U CN2011203080813U CN201120308081U CN202214680U CN 202214680 U CN202214680 U CN 202214680U CN 2011203080813 U CN2011203080813 U CN 2011203080813U CN 201120308081 U CN201120308081 U CN 201120308081U CN 202214680 U CN202214680 U CN 202214680U
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- CN
- China
- Prior art keywords
- bailey truss
- rod
- displacable
- replaced
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
A replacing device for a suspender of a tied-arch bridge comprises a support device and a computer data acquisition control system, wherein the support device comprises four threaded rods, a Bailey truss girder, carrying pole beams, distribution beams, straight-through hydraulic jacks and straight-through sensors, wherein the threaded rods are uniformly arranged at the periphery of a cross beam on which the suspender to be replaced is arranged; ends of the threaded rods are fixed to the lower end of the cross beam through the carrying pole beams; the other ends of the threaded rods penetrate a deck hollow slab beam, the Bailey truss girder, the distribution beams, the straight-through type hydraulic jacks, the straight-through sensors and screw caps; the Bailey truss girder is placed on the upper sides of cross beams on which suspenders adjacent to the suspender to be replaced are arranged; and the straight-through sensors are connected with the computer data acquisition control system. The replacing device provided by the utility model has the advantages as follows: the replacing device can adapt to cable replacement operations for various tied arched bridges with different suspender intervals; and the replacing device is controllable at any time and has high safety and low equipment cost.
Description
Technical field
The utility model relates to a kind of more exchange device of tied arch bridge hanger rod, belongs to the civil engineering area of maintenance.
Background technology
Bowstring arch bridge is a kind of typical bridge type in the arch bridge, and it is with outside static determinacy, and is inner indeterminate, under the lateral force effect, and the arch springing horizontal-less thrust, two ends access bridge height is low, to geology conditional request advantages of higher and finding broad application not.Suspension rod is one of main bearing member of bowstring arch bridge, and the lower end is connecting crossbeam, and the upper end is connecting arch rib, is playing the part of the bridge floor lotus is cut the important function that passes to arch rib.
In long-term use, various diseases can appear in suspension rod, mainly comprise: in long-term use, various diseases can appear in suspension rod, mainly comprise: first: upper and lower anchor head concrete protection ftractures, comes off; Second: loosening, the inefficacy of anchoring, stripped thread; The the 3rd: ponding, grouting leakiness in the conduit; The 4th: protective jacket destroys aging, cracking, breakage; The 5th: rope axis off normal, short steeve is cut; The the 6th: steel strand of hanger rod or steel wire discontinuity; The 7th: tired fracture of wire appears in cable body.
The existence of these diseases of bowstring arch bridge makes the serious hidden danger of security presence of bridge.In early morning on November 7th, 2002, the little south gate bridge suspension rod in Yibin ruptures suddenly, causes that bridge two ends bridge floor collapses.It is thus clear that the suspension rod of bowstring arch bridge such as untimely replacing will cause the bridge disaster, still present more changing device to tied arch bridge hanger rod still lacks.
The utility model content
The purpose of the utility model is the quick replacement device of a kind of tied arch bridge hanger rod of design, solves the problem that need change when suspension rod generation disease.
For realizing above-mentioned purpose; The utility model provides more changing device of tied arch bridge hanger rod; Comprise support device and computer data acquiring control system, said support device comprises threaded rod, the Bailey truss beam; Shoulder pole girder, distribution beam, feed-through hydraulic jack, vertically-displacable sensor, said threaded rod are 4; Be evenly arranged in suspension rod to be replaced place crossbeam around, an end of said every threaded rod is fixed on said crossbeam lower end through said shoulder pole girder, the threaded rod other end passes plate face hollow slab beam, Bailey truss beam, distribution beam, feed-through hydraulic jack, vertically-displacable sensor, nut successively; Said Bailey truss beam is placed on the upside of adjacent suspension rod place crossbeam, and said vertically-displacable sensor is connected with said computer data acquiring control system.
Also be provided with bearing beam between said Bailey truss beam and the said suspension rod to be replaced left and right sides crossbeam, said bearing beam is placed on the upside at the adjacent beams center line.
Said distribution beam is vertical perpendicular to the Bailey truss beam, and shoulder pole girder is perpendicular to the crossbeam under the suspension rod, and the Bailey truss beam is along vertical layout of bridge, and said threaded rod and suspension rod to be replaced are arranged in parallel.
The axis of said distribution beam, vertically-displacable jack, vertically-displacable load sensor and the dead in line of said threaded rod.
The utility model device has the following advantages:
One, can adapt to different suspension rod spacings all kinds of bowstring arch bridges change Suo Zuoye.
Two, adopt the exchange rope construction of load sensor and computer data acquiring control system to monitor, controlled at any time, safety is good.
Three, adopt standard Bailey truss beam to underpin beam as bearing capacity, standardization level is high, need not special manufacturing, and equipment cost is low.
Four, construction operation carries out on bridge floor, and operating surface is big, is convenient to mechanized, improves and changes rope efficient.
Description of drawings:
Fig. 1 is that the utility model tied arch bridge hanger rod is changed the apparatus structure sketch map;
Fig. 2 is the replacing assembly of devices of the utility model;
Fig. 3 is the A-A sectional view of Fig. 1;
Wherein 1,Suspension rod; 2, Bailey truss beam; 3, shoulder pole girder; 4, distribution beam; 5, vertically-displacable jack; 6, vertically-displacable load sensor; 7, nut; 8, threaded rod; 9, computer data acquisition system; 12, crossbeam; 13, bearing beam.
The specific embodiment:
Be elaborated below in conjunction with the technical scheme of accompanying drawing to the utility model:
As depicted in figs. 1 and 2, this suspender replacement device is made up of Bailey truss beam 2, shoulder pole girder 3, distribution beam 4, vertically-displacable jack 5, vertically-displacable load sensor 6, nut 7, threaded rod 8, computer data acquisition system 9 and bearing beam 13.
Concrete arrangement; The utility model is erected between the adjacent suspension rod by Bailey truss beam 2; And be shelved on the bearing beam 13, bearing beam 13 is placed on the upside at the adjacent beams center line, is distribution beam 4 above the Bailey truss beam 2; Feed-through hydraulic jack 5 places between distribution beam 4 and the vertically-displacable load sensor 6; Layout one shoulder pole girder 3 below suspension rod 1 lower crossbeam 12 to be replaced, threaded rod 8 runs through open-core type sensor 6, feed-through hydraulic jack 5, distribution beam 4, Bailey truss beam 2, hollow slab beam 11, shoulder pole girder 3, and the upper and lower side of threaded rod 8 is fixing by nut 7 respectively.
Vertically-displacable load sensor 6 is connected with computer data acquiring control system 9.Distribution beam 4 is vertical perpendicular to Bailey truss beam 2, and shoulder pole girder 3 is parallel to the crossbeam 12 of suspension rod 1 over against the below, and Bailey truss beam 2 directions are parallel to the vertical of bridge.Threaded rod 8 is parallel to suspension rod 1 so that stressed.
During the utility model work, comprise the steps:
The first step; The support device is installed---between the suspension rod of said suspension rod to be replaced 1 left and right sides, set up Bailey truss beam 2; The support device is installed in the next door of suspension rod 1 to be replaced; Internal force through computer data acquisition system 9 Real Time Observation vertically-displacable load sensors 6 are gathered is big or small; When this internal force was not less than suspension rod 1 internal force to be replaced, the internal force of suspension rod 1 to be replaced was offloaded to zero, and feed-through hydraulic jack 5 applies the Load Transfer approach that active force makes progress and is: feed-through hydraulic jack 5 → vertically-displacable load sensor 6 → nut 7 → threaded rod 8 → shoulder pole girder 3 → crossbeam 12; The downward power pipeline of this active force is: feed-through hydraulic jack 5 → distribution beam 4 → Bailey truss beam 2 → bearing beam 13 → left and right sides crossbeam;
Second step, removal suspension rod 1 to be replaced, new suspension rod is installed---after suspension rod 1 internal force unloading to be replaced is zero, remove the anchor device at suspension rod to be replaced 1 two ends, with pulling equipment suspension rod 1 to be replaced is taken out, and new suspension rod is launched, installation in position is tightened new ground tackle;
In the 3rd step, loading---Bailey truss beam 2 internal force shift: Bailey truss beam 2 → new suspension rod; The active force of removal feed-through hydraulic jack progressively, load still transmit according to the said power pipeline of the first step, make the suspension rod of new replacing stressed, change and accomplish.
Above-mentioned feed-through hydraulic jack 5 upwards acts on jacking and downward unloading, all through the stress of computer data acquiring control system 9 monitoring threaded rods 8, measures the Suo Li suspender force later with replacing of suspension rod 1 to be replaced simultaneously.
Claims (4)
1. tied arch bridge hanger rod changing device more; It is characterized in that: comprise support device and computer data acquiring control system (9); Said support device comprises threaded rod (8), Bailey truss beam (2), shoulder pole girder (3), distribution beam (4), feed-through hydraulic jack (5), vertically-displacable sensor (6); Said threaded rod (8) is 4; Be evenly arranged in suspension rod to be replaced (1) place crossbeam (12) around; One end of said every threaded rod (8) is fixed on said crossbeam (12) lower end through said shoulder pole girder (3); Threaded rod (8) other end passes plate face hollow slab beam (11), Bailey truss beam (2), distribution beam (4), feed-through hydraulic jack (5), vertically-displacable sensor (6), nut (7) successively, and said Bailey truss beam (2) is placed on the upside of adjacent suspension rod place crossbeam (12), and said vertically-displacable sensor (6) is connected with said computer data acquiring control system (9).
2. tied arch bridge hanger rod according to claim 1 is changing device more; It is characterized in that: also be provided with bearing beam (13) between said Bailey truss beam (2) and said suspension rod to be replaced (1) left and right sides crossbeam, said bearing beam (13) is placed on the upside at the adjacent beams center line.
3. tied arch bridge hanger rod according to claim 1 is changing device more; It is characterized in that: shoulder pole girder (3) is placed perpendicular to crossbeam (12); Bailey truss beam (2) is along vertical layout of bridge; Distribution beam (4) is perpendicular to vertical placement of said Bailey truss beam (2), and said threaded rod (8) is arranged in parallel with suspension rod to be replaced (1).
4. tied arch bridge hanger rod according to claim 1 is changed device and method, it is characterized in that: the axis of said distribution beam (4), vertically-displacable jack (5), vertically-displacable load sensor (6) and the dead in line of said threaded rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203080813U CN202214680U (en) | 2011-08-23 | 2011-08-23 | Replacing device for suspender of tied-arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203080813U CN202214680U (en) | 2011-08-23 | 2011-08-23 | Replacing device for suspender of tied-arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214680U true CN202214680U (en) | 2012-05-09 |
Family
ID=46013940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203080813U Withdrawn - After Issue CN202214680U (en) | 2011-08-23 | 2011-08-23 | Replacing device for suspender of tied-arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214680U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286942A (en) * | 2011-08-23 | 2011-12-21 | 河海大学 | Device for replacing suspenders of tied arch bridge |
| CN105648927A (en) * | 2015-12-29 | 2016-06-08 | 武汉二航路桥特种工程有限责任公司 | Universal type arch bridge suspender maintaining system and construction method |
| CN105887703A (en) * | 2016-06-06 | 2016-08-24 | 江苏华通工程检测有限公司 | Replacing device for concrete tied arch bridge flexible suspension rod and using method thereof |
-
2011
- 2011-08-23 CN CN2011203080813U patent/CN202214680U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286942A (en) * | 2011-08-23 | 2011-12-21 | 河海大学 | Device for replacing suspenders of tied arch bridge |
| CN102286942B (en) * | 2011-08-23 | 2013-03-06 | 河海大学 | Device for replacing suspenders of tied arch bridge |
| CN105648927A (en) * | 2015-12-29 | 2016-06-08 | 武汉二航路桥特种工程有限责任公司 | Universal type arch bridge suspender maintaining system and construction method |
| CN105887703A (en) * | 2016-06-06 | 2016-08-24 | 江苏华通工程检测有限公司 | Replacing device for concrete tied arch bridge flexible suspension rod and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |