CN205636518U - Instrument is worn to restraint by prestress wire - Google Patents
Instrument is worn to restraint by prestress wire Download PDFInfo
- Publication number
- CN205636518U CN205636518U CN201620182535.XU CN201620182535U CN205636518U CN 205636518 U CN205636518 U CN 205636518U CN 201620182535 U CN201620182535 U CN 201620182535U CN 205636518 U CN205636518 U CN 205636518U
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- Prior art keywords
- restraint
- lashing
- anchor
- instrument
- wear
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 abstract description 31
- 239000010959 steel Substances 0.000 abstract description 31
- 238000010276 construction Methods 0.000 abstract description 20
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000011513 prestressed concrete Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 9
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000002791 Brassica napus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of the prestressed concrete bridge roof beam, the instrument is worn to restraint by steel strand wires in concretely relates to concrete bridge manufacturing process. The utility model discloses a solve to hang the steel strand wires that water the roof beam and wear shu gengjia and swift, high -efficient and do not damage prestressing force and reserve the pore, make things convenient for construction process's technical problem, provide an instrument is worn to restraint by prestress wire, include and wear to restraint the anchor, wearing to restraint the one end internal flush xingqi axis direction of anchor and installing a plurality of clamping pieces, the other end is connected with and pulls the axle, the symmetry is opened on the clamping piece has the logical long crack of twice. The clamping piece is steel strand wires fastening and spacing in wearing to restraint the anchor, and wire rope is fixed in and pulls epaxially, pulls to wear to restraint through wire rope. Use prestressing force wear to restraint the instrument after, wear to restraint the security and is improved greatly, shortened wear the time of restrainting, practice thrift artifical, reduced the artifical potential safety hazard of wearing to restraint in the limit of facing.
Description
Technical field
This utility model belongs to Prestressed Concrete Bridges technical field, is specifically related to the steel stranded wire penetrating adapter instrument in a kind of concrete-bridge manufacturing process.
Background technology
Flourish along with China's capital construction, building construction technology also advances constantly, and Prestressed Concrete Bridges product also develops towards the deeper direction being more difficult to.Can be divided into according to prestressed construction technology: pre-tensioning system, post stretching two kinds.Different construction technologies is selected for different construction environments.Use post-tensioned construction Prestressed Concrete Bridges relatively conventional, the main working procedure of post stressed concrete bridge is: mounting framework reinforcing bar and prestress pipe, installation form (end head formwork reserves prestressed pipe road junction), rubber liner pipe is penetrated in prestress pipe, casting concrete, concrete curing, form removal after concrete strength reaches strength of mould stripping, rubber-lined pipe in extracting out, start to penetrate steel strand wires in the duct, after concrete reaches stretch-draw intensity, proceed by prestressed stretch-draw, stretch-draw completes laggard row pipeline pneumatic mortar, therefore, in post stressed concrete bridge construction production process, prestress wire penetrates prestressed pore passage becomes critically important operation.For ensureing Prestressed Concrete Bridges smooth construction, can only improve for steel stranded wire penetrating adapter technical method under technical conditions limit.
Certain municipal administration science of bridge building that such as applicant undertakes the construction of, (45+80+45) rice three is across variable cross-section single box double room cantilever casting beam, and back is wide 17.25 meters, beam bottom width 11.25 meters, deck-molding 4.8 meters, deck transverse slope 2%.This bridge 0# section, 1# section use support cast-in-place, 2# section-12# section selects Diamond-Shape Form Traveler construction, half range bridge is reserved prestress pipe and is amounted to 234 holes, wherein steel strand wires be 19 have 198 bundles, steel strand wires be 22 have 36 bundles, owing to bridge uses cantilever pouring and T structure sections gradually to increase, hogging moment duct length increases, and need to use steel strand wires 4554 altogether.Therefore, in cantilever casting beam construction production process, penetrating steel strand wires in prestress pipe is a very hard work.Common construction method is after beam body concrete reaches stretch-draw intensity, steel strand wires is pressed design length cutting, is numbered by steel strand wires, use and manually penetrate pipeline by root；Or hole-specifically steel strand wires are penetrated by root with strand pulling machine, often penetrate one and cut off one.Common lashing method is primarily present problems with:
1, the work required for artificial lashing is more, and lashing speed is more slow, and the power to steel strand wires offer is less, the most difficult through duct, affects follow-up phase construction, and then affects overall construction speed.
2, artificial lashing needs workmen to be positioned to face limit operation, operation more difficulty and to add falling from high altitude dangerous.
3, strand pulling machine is used to penetrate, need the plant equipment of specialty, such as cantilever casting beam lashing is different from precast beam lashing, precast beam strand pulling machine work space is bigger, cantilever casting beam lashing need to increase steering gear in front equipment end, and needing hand fit could accurately enter duct, energy resource consumption is too big, and it is longer to need to penetrate the used time by root.
Summary of the invention
This utility model more fast, efficiently and does not damage prestressing force reserving hole channel, the technical problem of convenient construction technique for the steel stranded wire penetrating adapter solving cantilever casting beam, it is provided that a kind of prestress wire lashing instrument.
This utility model adopts the following technical scheme that
A kind of prestress wire lashing instrument, including lashing anchor, in one end of described lashing anchor, its axis direction parallel is provided with some intermediate plates, and the other end connects axis of traction, and on described intermediate plate, symmetry has the crack that twice are elongated, is used for clamping anchor cable.
Because the bundle number of cantilever joist steel bundle is more, usually 19 bundle, described intermediate plate is that regular hexagon structure is arranged, the steel bundle more for cantilever casting beam bundle can disposably complete lashing.
Described intermediate plate is pyramidal structure, and bigger diameter end is towards lashing anchor, and miner diameter end deviates from lashing anchor and installs.I.e. preformed hole in lashing anchor is macropore at head (direction of advance), and afterbody is aperture, contributes to clamping anchor cable.
The length of described intermediate plate is more than its installing hole degree of depth, facilitates being matched for clamping tightly of anchor cable and intermediate plate.
Described lashing anchor is installed one end of intermediate plate and is additionally provided with lashing anchor lid, loses intermediate plate after preventing lashing from completing.
This utility model has the advantages that
1, this utility model solves by root lashing problem, often operates the lashing work that once can complete porous, and lashing anchor does not damage steel strand wires during penetrating, and saves and manually saves the energy；
2, this utility model decreases and manually carries out work high above the ground at Lin Bianchu, solves artificial lashing difficult problem, reduces safe construction risk；
3, prestressing force lashing instrument of the present utility model is processed and formed at one time, simple in construction, be prone to processing and reusable.
Accompanying drawing explanation
Fig. 1 is the operating diagram of this utility model and steel strand wires；
Fig. 2 is the structural front view of lashing anchor；
Fig. 3,4 it is left view and the right view of Fig. 2；
Fig. 5 is the structural representation of intermediate plate；
Fig. 6,7 it is structural front view and the side view of lashing anchor lid；
In figure: 1-lashing anchor, 2-intermediate plate, 3-axis of traction installing hole, 4-axis of traction, 5-lock, 6-lashing anchor lid, 7-steel strand wires.
Detailed description of the invention
In conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
Prestressing force lashing instrument as shown in Fig. 2,3,4,5, including lashing anchor 1, coordinate lashing anchor locking the special lengthening intermediate plate 2 of steel strand wires, the axis of traction installing hole 3 being reserved on lashing anchor, drive lashing anchor advance axis of traction 4, be transverse in the insurance 5 of axis of traction termination, lashing complete after prevent intermediate plate from losing lashing anchor lid 6, the structure of anchor lid as shown in Figure 6,7, with the hexagonal structure Corresponding matching of lashing anchor termination.Steel strand wires are fastened and are limited in lashing anchor 1 by described intermediate plate 2, and axis of traction 4 is arranged in lashing anchor preformed hole 3, and at axis of traction 4 termination installation insurance bolt 5, steel wire rope is fixed on axis of traction 4, by rope traction lashing.
The operation principle of prestress wire lashing instrument: after having poured of one stage of cantilever casting beam, start to carry out blanking according to sections prestressed strand length, reserve 20cm lashing during blanking and need to only stay middle silk with length and stripping steel strand wires limit silk, and steel strand wires are lifted on Liang Mianshang, hoist engine is installed and 0# block back simultaneously, after concrete reaches stretch-draw intensity, steel strand wires are installed in lashing anchor, intermediate plate is utilized to be locked by steel strand wires, by steel wire penetrating prestress pipe, axis of traction is installed and binds with steel wire rope, lock is inserted in axis of traction termination, as shown in Figure 1.
By hoist engine power, whole bundle steel strand wires being penetrated prestress pipe, lock is taken off in lashing after completing, and releases steel wire rope and also raps lashing anchor head with iron hammer, unclamps intermediate plate locking and takes lashing anchor away, and lashing anchor lid is placed on head prevents intermediate plate from losing.By using prestressing force lashing instrument so that lashing efficiency is significantly improved, and shortens the time used by Traditional Man lashing.
Using prestressing force lashing instrument, lashing safety is greatly enhanced, shorten the lashing time, save artificial, decrease the potential safety hazard manually facing limit lashing.
Prestressing force lashing instrument is processed and formed at one time, simple in construction, be prone to processing, reusable.Compared with Traditional Man lashing, greatly reduce working procedure and workload, saved artificial, shortened the lashing time, reduce construction safety risk, reduce construction cost, achieve economic benefit.Therefore have bigger practical value in cantilever casting beam is constructed, can large-scale popularization application in similar engineering.
Claims (5)
1. a prestress wire lashing instrument, it is characterized in that: include lashing anchor (1), in one end of described lashing anchor (1), its axis direction parallel is provided with some intermediate plates (2), and the other end connects axis of traction (4), and the upper symmetry of described intermediate plate (2) has the crack that twice are elongated.
Prestress wire lashing instrument the most according to claim 1, it is characterised in that: described intermediate plate (2) spacing hole is that regular hexagon structure is arranged.
Prestress wire lashing instrument the most according to claim 2, it is characterised in that: described intermediate plate (2) is pyramidal structure, and bigger diameter end is towards lashing anchor (1), and miner diameter end deviates from lashing anchor (1) and installs.
Prestress wire lashing instrument the most according to claim 3, it is characterised in that: the length of described intermediate plate (2) is more than its installing hole degree of depth.
Prestress wire lashing instrument the most according to claim 4, it is characterised in that: described lashing anchor (1) is installed one end of intermediate plate (2) and is additionally provided with lashing anchor lid (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620182535.XU CN205636518U (en) | 2016-03-10 | 2016-03-10 | Instrument is worn to restraint by prestress wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620182535.XU CN205636518U (en) | 2016-03-10 | 2016-03-10 | Instrument is worn to restraint by prestress wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205636518U true CN205636518U (en) | 2016-10-12 |
Family
ID=57075993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620182535.XU Expired - Fee Related CN205636518U (en) | 2016-03-10 | 2016-03-10 | Instrument is worn to restraint by prestress wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205636518U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436585A (en) * | 2016-12-02 | 2017-02-22 | 中交第二航务工程勘察设计院有限公司 | Pre-stressed steel strand pulling fixture and method for operating same |
| CN106639330A (en) * | 2017-01-19 | 2017-05-10 | 中国核工业华兴建设有限公司 | Prestressing steel strand bundle overall tractive connection device and using method thereof |
| CN107503472A (en) * | 2017-09-26 | 2017-12-22 | 中国十七冶集团有限公司 | A kind of combination type prestressed anchorage |
| CN108149932A (en) * | 2018-01-24 | 2018-06-12 | 中建八局第三建设有限公司 | For the penetrating device of prestress wire lashing and its lashing method |
| CN109083331A (en) * | 2018-09-28 | 2018-12-25 | 朱建玉 | Concrete construction ready-package prestressed anchor |
| CN113235453A (en) * | 2021-06-17 | 2021-08-10 | 中铁十八局集团有限公司 | High-efficiency prestressed steel strand traction head |
-
2016
- 2016-03-10 CN CN201620182535.XU patent/CN205636518U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436585A (en) * | 2016-12-02 | 2017-02-22 | 中交第二航务工程勘察设计院有限公司 | Pre-stressed steel strand pulling fixture and method for operating same |
| CN106639330A (en) * | 2017-01-19 | 2017-05-10 | 中国核工业华兴建设有限公司 | Prestressing steel strand bundle overall tractive connection device and using method thereof |
| CN107503472A (en) * | 2017-09-26 | 2017-12-22 | 中国十七冶集团有限公司 | A kind of combination type prestressed anchorage |
| CN108149932A (en) * | 2018-01-24 | 2018-06-12 | 中建八局第三建设有限公司 | For the penetrating device of prestress wire lashing and its lashing method |
| CN108149932B (en) * | 2018-01-24 | 2024-01-19 | 中建八局第三建设有限公司 | Beam penetrating device and beam penetrating method for prestress steel strand |
| CN109083331A (en) * | 2018-09-28 | 2018-12-25 | 朱建玉 | Concrete construction ready-package prestressed anchor |
| CN109083331B (en) * | 2018-09-28 | 2020-09-01 | 柳州盛泰预应力技术有限公司 | Fast-assembling prestressed anchorage for concrete building |
| CN113235453A (en) * | 2021-06-17 | 2021-08-10 | 中铁十八局集团有限公司 | High-efficiency prestressed steel strand traction head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200226 Address after: 100036 No. 2, Haidian District, Beijing, Wanshou Road Co-patentee after: Changsha Railway Group Company Limited Luqiao branch Patentee after: CHINA RAILWAY SIXTH GROUP Co.,Ltd. Address before: 100036 No. 2, Haidian District, Beijing, Wanshou Road Co-patentee before: CHINA RAILWAY SIXTH GROUP LUQIAO CONSTRUCTION CO.,LTD. Patentee before: CHINA RAILWAY SIXTH GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |