CN105133504A - Inclined tensioned cable micro-tensioning instrument for hoisting of cable rope of arch bridge in mountainous area - Google Patents
Inclined tensioned cable micro-tensioning instrument for hoisting of cable rope of arch bridge in mountainous area Download PDFInfo
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- CN105133504A CN105133504A CN201510674823.7A CN201510674823A CN105133504A CN 105133504 A CN105133504 A CN 105133504A CN 201510674823 A CN201510674823 A CN 201510674823A CN 105133504 A CN105133504 A CN 105133504A
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Abstract
The invention discloses an inclined tensioned cable micro-tensioning instrument for hoisting of a cable rope of an arch bridge in a mountainous area, which comprises an inclined tensioned cable, an expansion piece and an expansion drum, wherein the expansion piece comprises four semi-cylinder-shaped grooves; every two semi-cylinder-shaped grooves are respectively buckled to form two cylinder-shaped drums; the inclined tensioned cable sequentially penetrates through the two cylinder-shaped drums; the internal surface of the expansion piece is provided with a plurality of circles of rubber battens for pressing the inclined tensioned cable; the close parts of the two cylinder-shaped drums of the expansion piece are respectively provided with external threads; the internal surface of the expansion drum is provided with internal threads; the expansion drum comprises two semi-cylinder-shaped drums; the two semi-cylinder-shaped drums are connected and fixed through combining arms; and the external wall of the expansion drum is provided with a rotating arm. According to the invention, the expansion length of the expansion piece is changed by rotating the expansion drum to enable the internal parts of the expansion piece to be tightened to each other so as to realize the fine adjustment of the inclined tensioned cable, thereby adjusting the hoisting elevation of a connection point of an arch box. The instrument disclosed by the invention is convenient and practical, safe and reliable as well as low in cost.
Description
Technical field
The invention belongs to bridge engineering field, be specifically related to a kind of mountain area arch bridge cable hoisting stayed-buckle cable and part instrument a little.
Background technology
Present mountain area arch bridge great majority adopt the cable-shifting and cable-stayed system working procedure of erection without scaffolding, by funicular system, prefabricated part hanging are become bridge.CABLEWAY ERECTION SYSTEM can be divided into four elements by its job specification: main rope, working cable, pylon and anchor device.Wherein working cable comprises hoisting rope, drag cable and knotted rope etc.The operating principle of cable hoisting utilizes main push-towing rope to bear lift heavy and the orbit as sport car, and component is sling, is elevated, transports and is installed by the lifting gear on main rope sport car and draw-gear.Arch bridge main arch ring is generally divided into 3 sections-5 sections prefabricated, liftings.When main arch ring closes up, because the arch box of lifting can not disposablely put in place, need the length by adjustment Stayed-buckle Cable Forces and knotted rope, make the tap points elevation of each sections reach design altitude and close up.The instrument and equipment of existing adjustment Suo Li and knotted rope length, adopts the anchoring section hydraulic jack system of suspension cable mostly, uses this equipment to have inconvenience when carrying out the adjustment of trickle elevation more.
Summary of the invention
For making up the deficiencies in the prior art, the invention provides a kind of simple to operate, easy to use, safe and reliable mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little.
The present invention is achieved through the following technical solutions:
A kind of mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little, its special character is: comprise oblique pull snap close, expansion bend and contracting cylinder, described expansion bend comprises four pieces of semi-cylindrical recesses, every two pieces of semi-cylindrical recesses fasten formation two cylindrical tubes respectively, and described oblique pull snap close is successively through two cylindrical tubes; Described expansion bend inner surface is provided with some circles for compressing the rubber press strip of the rib-like of oblique pull snap close; Two cylindrical tubes of described expansion bend are respectively equipped with external screw thread near position, and described contracting tube inner surface is provided with internal thread, and two cylindrical tubes of expansion bend are flexibly connected by screw thread with contracting cylinder; Described contracting cylinder comprises two panels semi-cylindrical cylinder, and this two panels semi-cylindrical cylinder is connected and fixed by closing arm, and contracting drum outer wall is provided with pivoted arm.
Mountain area of the present invention arch bridge cable hoisting stayed-buckle cable parts instrument a little, and described semi-cylindrical recesses edge is provided with several bolt holes, and two pieces of semi-cylindrical recesses are fixedly connected with on bolt hole by bolt anchoring, is conveniently passed wherein by oblique pull padlock.
Mountain area of the present invention arch bridge cable hoisting stayed-buckle cable parts instrument a little, a circle projection is respectively equipped with on two cylindrical tube outer walls of described expansion bend, be connected with steel rib between two projections, steel rib adopts two half steel ribs mutually to insert and is slidably connected, the convenient collapsing length changing expansion bend.
Further, mountain area of the present invention arch bridge cable hoisting stayed-buckle cable parts instrument a little, and the external thread rotary on two cylindrical tubes of described expansion bend is to contrary and match with the internal thread stating contracting tube inner surface.
Mountain area of the present invention arch bridge cable hoisting stayed-buckle cable parts instrument a little, and described oblique pull snap close adopts high strength steel strand to make, durable.
The invention has the beneficial effects as follows: the present invention changes the collapsing length of expansion bend by rotating contracting cylinder, expansion bend inside is tightened up mutually, reaching stayed-buckle cable fine setting, thus the lifting elevation of adjustment arch box tap points, convenient and practical, safe and reliable, with low cost.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is fractionation schematic diagrames of expansion bend of the present invention.
Accompanying drawing 3 is generalized sections of expansion bend of the present invention.
Accompanying drawing 4 is structural representations of the present invention's contracting cylinder.
In figure, 1 oblique pull padlock, 2 expansion bends, 3 bolts, 4 contracting cylinders, 5 projections, 6 steel ribs, 7 rubber press strips, 8 bolt holes, 9 close arm, 10 pivoted arms, 11 external screw threads, 12 half steel ribs, 13 semi-cylindrical recesses.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Accompanying drawing is a kind of detailed description of the invention of the present invention.This embodiment comprises oblique pull snap close 1, expansion bend 2 and contracting cylinder 4, and described oblique pull snap close 1 adopts several strands of 1860 high strength steel strands to be made; Expansion bend 2 comprises four pieces of semi-cylindrical recesses 13, material adopts the firm material composition of Q345, every two pieces of semi-cylindrical recesses 13 fasten formation two cylindrical tubes respectively, described oblique pull snap close 1 is successively through two cylindrical tubes, semi-cylindrical recesses 13 edge is provided with several bolt holes 8, two pieces of semi-cylindrical recesses 13 and is anchored on bolt hole 8 by bolt 3 and is fixedly connected with; Described expansion bend 2 inner surface is provided with some circles for compressing the rubber press strip 7 of the rib-like of oblique pull snap close 1; Be respectively equipped with on two cylindrical tube outer walls of expansion bend 2 between circle projection 5, two projection 5 and be symmetrically connected with two steel ribs 6, steel rib 6 adopts two half steel ribs 12 mutually to insert and is slidably connected.
Two cylindrical tubes of expansion bend 2 are respectively equipped with external screw thread 11 near position, described contracting cylinder 4 inner surface is provided with internal thread, two cylindrical tubes of expansion bend 2 are flexibly connected by screw thread with contracting cylinder 4, and external screw thread 11 rotation direction on two cylindrical tubes of expansion bend 2 is contrary and match with the internal thread stating contracting cylinder 4 inner surface; Described contracting cylinder 4 comprises two panels semi-cylindrical cylinder, and this two panels semi-cylindrical cylinder is connected and fixed by closing arm 9, and contracting cylinder 4 outer wall is provided with pivoted arm 10.
During use, the present invention is placed in the distance that every section of lifting arch box fixing cable anchoring selects 2-3 rice.
During use by every for 4 semi-cylindrical recesses 13 two to being combined and using bolt 3 to be fixed together, stayed-buckle cable 1 is wrapped, rubber press strip 7 compresses stayed-buckle cable 1 makes it slide, then contracting cylinder 4 conjunction arm 9 is fited, the external screw thread 11 of expansion bend 2 is interlocked with the internal thread of contracting cylinder 4.Steel rib 6 and pivoted arm 10 are rotated in the opposite direction, two of expansion bend 2 cylindrical tubes are drawn close mutually, two half steel rib 12 relative slidings, make oblique pull padlock tighten up simultaneously, reach the object of stayed-buckle cable fine setting, thus the lifting elevation of adjustment arch box tap points.
Claims (6)
1. a mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: comprise oblique pull snap close (1), expansion bend (2) and contracting cylinder (4), described expansion bend (2) comprises four pieces of semi-cylindrical recesses (13), every two pieces of semi-cylindrical recesses (13) fasten formation two cylindrical tubes respectively, and described oblique pull snap close (1) is successively through two cylindrical tubes; Described expansion bend (2) inner surface is provided with some circles for compressing the rubber press strip (7) of the rib-like of oblique pull snap close (1); Two cylindrical tubes of described expansion bend (2) are respectively equipped with external screw thread (11) near position, described contracting cylinder (4) inner surface is provided with internal thread, and two cylindrical tubes of expansion bend (2) are flexibly connected by screw thread with contracting cylinder (4); Described contracting cylinder (4) comprises two panels semi-cylindrical cylinder, and this two panels semi-cylindrical cylinder is connected and fixed by closing arm (9), and contracting cylinder (4) outer wall is provided with pivoted arm (10).
2. a kind of mountain area according to claim 1 arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: described semi-cylindrical recesses (13) edge is provided with several bolt holes (8), two pieces of semi-cylindrical recesses (13) are anchored on bolt hole (8) by bolt (3) and are fixedly connected with.
3. a kind of mountain area according to claim 1 and 2 arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: be respectively equipped with a circle projection (5) on two cylindrical tube outer walls of described expansion bend (2), between two projections (5), be connected with steel rib (6).
4. a kind of mountain area according to claim 3 arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: described steel rib (6) adopts two half steel ribs (12) mutually to insert and is slidably connected.
5. a kind of mountain area according to claim 1 arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: external screw thread (11) rotation direction on two cylindrical tubes of described expansion bend (2) is contrary and match with the internal thread stating contracting cylinder (4) inner surface.
6. a kind of mountain area according to claim 1 arch bridge cable hoisting stayed-buckle cable parts instrument a little, it is characterized in that: described oblique pull snap close (1) adopts high strength steel strand to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674823.7A CN105133504B (en) | 2015-10-19 | 2015-10-19 | A kind of mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674823.7A CN105133504B (en) | 2015-10-19 | 2015-10-19 | A kind of mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105133504A true CN105133504A (en) | 2015-12-09 |
| CN105133504B CN105133504B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510674823.7A Active CN105133504B (en) | 2015-10-19 | 2015-10-19 | A kind of mountain area arch bridge cable hoisting stayed-buckle cable parts instrument a little |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525567A (en) * | 2015-12-19 | 2016-04-27 | 长安大学 | Inclined tensioned cable fine-opening device for arch bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6606967A (en) * | 1965-08-31 | 1967-03-01 | ||
| GB2149052A (en) * | 1983-10-27 | 1985-06-05 | Eaton Corp | Vernier control device |
| CN1904210A (en) * | 2006-07-28 | 2007-01-31 | 中铁工程设计咨询集团有限公司 | Installing and closure method of steel arched bridge arch rib large segment and lifting system |
| CN201132930Y (en) * | 2007-12-24 | 2008-10-15 | 贵州省桥梁工程总公司 | Steel centering structure with inclined tensioned cable |
| JP2015148334A (en) * | 2014-02-10 | 2015-08-20 | 日本フレックス工業株式会社 | Control cable length adjusting device |
| CN205116023U (en) * | 2015-10-19 | 2016-03-30 | 济南城建集团有限公司 | Mountain area arched bridge cable hoist and mount are with drawing knotted rope to part appearance a little to one side |
-
2015
- 2015-10-19 CN CN201510674823.7A patent/CN105133504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6606967A (en) * | 1965-08-31 | 1967-03-01 | ||
| GB2149052A (en) * | 1983-10-27 | 1985-06-05 | Eaton Corp | Vernier control device |
| CN1904210A (en) * | 2006-07-28 | 2007-01-31 | 中铁工程设计咨询集团有限公司 | Installing and closure method of steel arched bridge arch rib large segment and lifting system |
| CN201132930Y (en) * | 2007-12-24 | 2008-10-15 | 贵州省桥梁工程总公司 | Steel centering structure with inclined tensioned cable |
| JP2015148334A (en) * | 2014-02-10 | 2015-08-20 | 日本フレックス工業株式会社 | Control cable length adjusting device |
| CN205116023U (en) * | 2015-10-19 | 2016-03-30 | 济南城建集团有限公司 | Mountain area arched bridge cable hoist and mount are with drawing knotted rope to part appearance a little to one side |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525567A (en) * | 2015-12-19 | 2016-04-27 | 长安大学 | Inclined tensioned cable fine-opening device for arch bridge |
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| Publication number | Publication date |
|---|---|
| CN105133504B (en) | 2017-03-29 |
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