CN206477599U - A kind of prestressing tendon integrally dragging attachment means - Google Patents
A kind of prestressing tendon integrally dragging attachment means Download PDFInfo
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- CN206477599U CN206477599U CN201720073992.XU CN201720073992U CN206477599U CN 206477599 U CN206477599 U CN 206477599U CN 201720073992 U CN201720073992 U CN 201720073992U CN 206477599 U CN206477599 U CN 206477599U
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- traction
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Abstract
The utility model is related to a kind of prestressing tendon integrally dragging attachment means, belongs to technical field of building construction.The anterior stepped hole of device traction is made up of aperture leading portion with macropore back segment, and the anterior rear end of traction has external thread section；After assembling, external thread section is screwed with drawing the nose threads hole at rear portion, the bottom in nose threads hole has undergauge blind hole section, bushing that undergauge blind hole section matches therewith equipped with external diameter and formed with stepped hole to cable end dog axial constraint, the endoporus of bushing constitutes the radial constraint to cable end dog；The anchor ring with one group of anchor hole is fixed in the rear end for drawing rear portion, and the one end at the neighbouring traction rear portion of anchor hole has expanding pier nose section.The problem of the overall lashing in special-shaped prestressed pore passage of steel strand wires can be properly settled using the utility model, it is easy to operate, coming off for steel strand wires is effectively prevent, significantly improves and once draws success rate, work efficiency is increased substantially, and ensures safety.
Description
Technical field
The utility model is related to a kind of steel strand wires coupling hitch, especially a kind of prestressing tendon integrally dragging
Attachment means, belong to technical field of building construction.
Background technology
It is related to special-shaped prestressed pore passage in nuclear power engineering, LNG engineerings, Longspan Bridge and civil buildings industry（It can not enter
The duct of row single steel strand lashing, such as U-shaped, inverted U）The lashing construction of steel strand wires is required for carrying out prestressing tendon
Traction.The construction means of abnormity prestressed pore passage steel stranded wire penetrating adapter are that one is chosen in the good steel strand wires of blanking at present, at it
First lap steel strand wires are welded at the 30cm of end（Every steel strand wires of first lap and the steel strand wires are welded and between adjacent steel strand wires
Also welded）, the second circle steel strand wires parcel is welded on first lap steel strand wires one week, and all steel strand wires position that contacts with each other is both needed to
Welded；Remaining steel strand wires according to above welding manner formation half fusiformis entirety, then by the steel strand wires and single port of selection
Anchor connect, by the power set of hoist engine etc by steel wire bundle integrally dragging into special-shaped duct.
This existing steel wire bundle traction method operating process is complicated, and welding quality requires high.Because welding quality is difficult
To control, easily occur steel strand wires during integrally dragging and come off, not only increase difficulty of construction, and troubleshooting handles suitable spine
Hand, as a result often takes larger economic loss to construction and causes security risk.
Utility model content
The purpose of this utility model is：In view of the above-mentioned problems of the prior art, propose it is a kind of it is easy to operate, can be with
Prestressing tendon integrally dragging attachment means and its application method that steel strand wires come off are prevented effectively from, so as to significantly improve one
Secondary traction success rate, it is ensured that safety.
In order to reach object above, basic technical scheme of the present utility model is：Prestressing tendon integrally dragging connects
Connection device, including：
Front end is tapered and has the traction of center stepped hole anterior, and the anterior stepped hole of the traction is by passing pull rope
The aperture leading portion of rope is constituted with accommodating the macropore back segment of cable end dog, and the anterior rear end of the traction has undergauge external screw thread
Section；After assembling, the external thread section is screwed with drawing the nose threads hole at rear portion, and the bottom in the nose threads hole has undergauge
Blind hole section, bushing that undergauge blind hole section matches therewith equipped with external diameter and is formed to cable end dog axle with the stepped hole
To constraint, the endoporus of the bushing constitutes the radial constraint to cable end dog；The rear end at the traction rear portion, which is fixed, to be had
The anchor ring of one group of anchor hole, the one end at the neighbouring traction rear portion of the anchor hole has expanding pier nose section.
The application method of the utility model device comprises the following steps：
The first step, will according to one group of steel strand wires end of prestressed pore passage length blanking carry out side silk peel off and cut off, stay
Lower central hair；
Second step, the anchor hole that the central hair of each steel strand wires is each passed through to anchor ring, and by the central hair of per share steel strand wires by
Root carries out pier nose, the pier nose of steel strand wires is constrained in the pier nose section of anchor hole；
3rd step, by cable end dog mounted in traction it is anterior in after, bushing is loaded in the blind hole for drawing rear portion, then
Rear portion will be drawn to be screwed on the external thread section of the anterior rear end of traction, make traction rear portion blind via bottom and traction front step hole shape
Paired cable end dog axial constraint, makes the endoporus composition of bushing to the radial constraint of cable end dog；
4th step, by anchor ring be fixed on traction rear portion rear end；
5th step, startup hauling power device, by cable traction, the steel wire bundle that pier nose is constrained in anchor ring is drawn
Into prestressed pore passage.
The problem of the overall lashing in special-shaped prestressed pore passage of steel strand wires, operation can be properly settled using the utility model
Simplicity, effectively prevent coming off for steel strand wires, significantly improves and once draws success rate, and work efficiency is increased substantially, and ensures safety.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the traction rear portion right view of Fig. 1 embodiments.
Fig. 3 is the anchor ring right view of Fig. 1 embodiments.
Fig. 4 is Fig. 1 partial enlarged drawing.
Fig. 5 is the anchor ring lashing schematic diagram of Fig. 1 embodiments.
Embodiment
The utility model is further described with reference to embodiment.The present embodiment is to penetrate duct steel strand wires quantity
Exemplified by 55, prestressing tendon integrally dragging attachment means used, as shown in figure 1, anterior 1 front end of traction is tapered and has
There is center stepped hole 1-1, stepped hole 1-1 is by passing the aperture leading portion of drag rope 10 with accommodating the big of cable end dog 9
Hole back segment is constituted.The rear end of traction front portion 1 has undergauge external thread section 1-2.After assembling, external thread section 1-1 and traction rear portion 2
Nose threads hole is screwed, and there is undergauge blind hole section 2-1, undergauge blind hole section 2-1 external diameter phase therewith to be housed for the bottom in nose threads hole
The copper bush 6 matched somebody with somebody and form the axial constraint to cable end dog 9 with stepped hole 1-1.The endoporus of copper bush 6 is constituted to rope
The radial constraint of end dog 9.The anchor ring 3 with one group of anchor hole 3-1, the neighbouring tractions of anchor hole 3-1 are fixed in the rear end for drawing rear portion 2
The one end at rear portion 2 has expanding pier nose section 3-2.
The fixed connection structure of traction front portion 1 and traction rear portion 2 and anchor ring 3 is as shown in Fig. 2 and Fig. 3, Fig. 4, before traction
The rear end in portion 1 is connected by be threaded onto traction rear portion 2 the two relative tightenings of holding screw 7, draws the rear end at rear portion 2 by installing
It is fixedly connected in the uniform soket head cap screw 4 of eight circumferences of anchor ring 3.
As shown in figure 5, comprising the following steps that when using：
The first step, will according to 55 ends of steel strand wires 8 of prestressed pore passage length blanking carry out side silk peel off, peel off outermost
The side silk of layer is simultaneously cut off, and leaves length about 50cm central hair 8-2；
Second step, the anchor hole 3-1 that the central hair of each steel strand wires is each passed through to anchor ring 3, and by the center of per share steel strand wires
Silk by root from the bottom of anchor ring arrange anchor hole from left to right hole-specifically, carry out pier nose in order by row from bottom to top afterwards, make the pier of steel strand wires 8
Head 8-1 is constrained in the pier nose section 3-1 of anchor hole；
3rd step, by the cable end dog 9 of connected hauling rope 10 mounted in traction front portion 1 in after, copper bush 6 is loaded
Draw rear portion 2 blind hole in, then by traction rear portion 2 be screwed on the external thread section for drawing anterior 1 rear end, screw on holding screw 7,
The blind via bottom of traction rear portion 2 is formed the reliable axial constraint to cable end dog 9 with anterior 1 stepped hole of traction, make simultaneously
The endoporus of copper bush 6 constitutes the radial constraint to cable end dog 9；
4th step, by anchor ring 3 by soket head cap screw 4 be fixed on traction rear portion 2 rear end；
5th step, startup hauling power device, by drag rope 10, the steel wire bundle that pier nose is constrained in anchor ring is led
Lead in prestressed pore passage.
Proof is repeatedly practised, the present embodiment has advantages below：
1. energy-conserving and environment-protective, improve construction operation environment, pollution-free.
2. it is high that steel wire bundle once draws success rate, it is ensured that construction quality and without security risk.
3. simple to operate, it is to avoid human error, construction efficiency is increased substantially.
4. significantly reduction people, material, the input of machine, save construction cost.
5. with higher economy and applicability, efficiently solve the construction difficult problem of special-shaped prestressed pore passage lashing.
In addition to the implementation, the utility model can also have other embodiment.All use equivalent substitutions or equivalent change
The technical scheme to be formed is changed, the protection domain of the utility model requirement is all fallen within.
Claims (3)
1. a kind of prestressing tendon integrally dragging attachment means, it is characterised in that：It is tapered and with center including front end
The traction of stepped hole is anterior, and the anterior stepped hole of the traction is rolled by the aperture leading portion for passing drag rope with accommodating cable end
The macropore back segment of head is constituted, and the anterior rear end of the traction has undergauge external thread section；After assembling, the external thread section and traction
The nose threads hole at rear portion is screwed, and the bottom in the nose threads hole has undergauge blind hole section, and the undergauge blind hole section is equipped with outer
Bushing that footpath matches therewith and formed with the stepped hole to cable end dog axial constraint, the endoporus of the bushing is constituted pair
The radial constraint of cable end dog；The anchor ring with one group of anchor hole is fixed in the rear end at the traction rear portion, and the anchor hole is neighbouring
The one end at traction rear portion has expanding pier nose section.
2. prestressing tendon integrally dragging attachment means according to claim 1, it is characterised in that：Before the traction
Holding screw tightening of the rear end in portion by being threaded onto traction rear portion is connected.
3. prestressing tendon integrally dragging attachment means according to claim 2, it is characterised in that：After the traction
The rear end in portion is fixedly connected by being threaded onto the fastener of anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720073992.XU CN206477599U (en) | 2017-01-19 | 2017-01-19 | A kind of prestressing tendon integrally dragging attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720073992.XU CN206477599U (en) | 2017-01-19 | 2017-01-19 | A kind of prestressing tendon integrally dragging attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206477599U true CN206477599U (en) | 2017-09-08 |
Family
ID=59753800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720073992.XU Active CN206477599U (en) | 2017-01-19 | 2017-01-19 | A kind of prestressing tendon integrally dragging attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206477599U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110905217A (en) * | 2019-12-25 | 2020-03-24 | 中国核工业二四建设有限公司 | Large-radius annular horizontal channel prestressed steel strand pulling device and method |
| CN112281661A (en) * | 2020-09-22 | 2021-01-29 | 中铁六局集团有限公司 | Traction device and traction method for parallel steel strand stay cable |
-
2017
- 2017-01-19 CN CN201720073992.XU patent/CN206477599U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110905217A (en) * | 2019-12-25 | 2020-03-24 | 中国核工业二四建设有限公司 | Large-radius annular horizontal channel prestressed steel strand pulling device and method |
| CN110905217B (en) * | 2019-12-25 | 2024-02-27 | 中国核工业二四建设有限公司 | Large-radius circumferential horizontal duct prestress steel strand threading device and method |
| CN112281661A (en) * | 2020-09-22 | 2021-01-29 | 中铁六局集团有限公司 | Traction device and traction method for parallel steel strand stay cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171208 Address after: Yunlongshan Jianye District of Nanjing City, Jiangsu Province, No. 79 210019 Co-patentee after: Uaxing Building Decoration Co., Ltd. of Jiangsu China Nuclear Industry Patentee after: China Nudear Industry Construction Co., Ltd. Address before: Yunlongshan Jianye District of Nanjing City, Jiangsu Province, No. 79 210019 Patentee before: China Nudear Industry Construction Co., Ltd. |
|
| TR01 | Transfer of patent right |