CN203393623U - Novel steel strand tensioning device - Google Patents
Novel steel strand tensioning device Download PDFInfo
- Publication number
- CN203393623U CN203393623U CN201320338851.8U CN201320338851U CN203393623U CN 203393623 U CN203393623 U CN 203393623U CN 201320338851 U CN201320338851 U CN 201320338851U CN 203393623 U CN203393623 U CN 203393623U
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- steel strand
- connecting sleeve
- shaft
- steel bar
- axle
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Abstract
The utility model discloses a novel steel strand tensioning device, which belongs to the field of an anchor rod anchor gear. The novel steel strand tensioning device comprises a steel bar connecting sleeve, a steel strand connecting sleeve and a shaft, wherein the middle of the shaft is provided with a fixing stop block, screw threads are respectively arranged at the two ends of the shaft, the steel bar connecting sleeve and the steel strand connecting sleeve are connected into a whole with the two ends of the shaft, an inner threaded hole matched with one end of the shaft is formed in the front section of the steel bar connecting sleeve, an inner threaded hole matched with external screw threads of a fine rolling steel bar is formed in the back section of the steel bar connecting sleeve, an internal screw hole matched with one end of the shaft is formed in the front section of the steel bar connecting sleeve, and a steel strand connecting hole is arranged in the other end of the shaft. The novel steel strand tensioning device has the advantages that the structural design is simple, the single shaft is adopted for connecting two sleeves, the transmission overlapping of the torque at the two ends is prevented through the stop block, the abandoned end can be replaced at any time, the materials are saved, the work procedures are reduced, the cost is reduced, and the construction efficiency is improved.
Description
Technical field
The utility model belongs to anchor rod field, more particularly, relates to a kind of Novel steel twisted wire tensioner.
Background technology
In bridge prestress concrete construction, when the engineering of prestressed concrete is long, can not one-time continuous construct complete, thereby concrete end stretch-draw prestressing force steel strand can cause larger loss of prestress, need to adopt prestress steel twist wiring connector subsection tension prestress wire, to reduce the loss of prestress of prestressed concrete engineering.The branch sleeve of the steel strand connector using mostly at present is integral structure, then two ends connect respectively finish rolling deformed bar, steel strand, for example: China Patent No. is 200920062813.8, open day is on May 5th, 2010, the patent document of disclosed telescopic steel wire bundle presstressed reinforcing steel connector, it belongs to a kind of tendon of steel strand connector, be specially adapted to the presstressed reinforcing steel spreading that concrete wall thickness is thinner, its technical scheme main points are: by backing plate, anchor cup, work clip sheet, adapter sleeve, P anchor, junction plate, pressing plate, follower bolt, protective cover, guard shield connecting screw rod forms.Anchor cup, work clip sheet combination are arranged on backing plate large end face, by stretching construction, are connected end presstressed reinforcing steel and realize after anchoring, and the right-hand thread end of adapter sleeve inner chamber is threaded with anchor cup periphery, and other end left-hand thread is connected with junction plate periphery left-hand thread.Fixedly P anchor is installed in the extruding of link steel strand end, and P anchor is by pressing plate, and follower bolt is close to the end face that is fixed on junction plate, by adapter sleeve, connects, and reaches link presstressed reinforcing steel and the object of even being held presstressed reinforcing steel spreading.
Prestress steel twist wiring connector needs to accept the tons of pulling force from jack in stretching process, connector can not guarantee fully effective, time have the situation of scrapping damage to occur, above-mentioned integral connectors just exists complex structure, intensity low, flimsy problem, and if certain threaded one end slip teeth of its sleeve get loose, need to change whole connector, waste material, increases cost, is unfavorable for rapid construction.
Summary of the invention
the problem that 1, will solve
For the above-mentioned problems in the prior art, the utility model provides a kind of Novel steel twisted wire tensioner, and it adopts the axle with block to connect respectively two ends sleeve, has avoided the excessive moment of torsion in one end in stretching process to be delivered to the other end, the sleeve that replaceable one end is damaged, is conducive to rapid construction.
2, technical scheme
In order to address the above problem, the technical scheme that the utility model adopts is as follows:
A twisted wire tensioner, comprises reinforcing steel bar connecting sleeve tube, steel strand branch sleeve, axle, and the middle part of described axle is provided with fixed stop, and two ends are respectively equipped with screw thread; Described reinforcing steel bar connecting sleeve tube, steel strand branch sleeve Yu Zhou two ends connect as one; In the leading portion of described reinforcing steel bar connecting sleeve tube, be provided with the inner bolt hole that Yu Zhou one end coordinates, in back segment, be provided with the inner bolt hole matching with the external screw thread of finish rolling deformed bar; In the leading portion of described steel strand branch sleeve, be provided with the inner bolt hole that Yu Zhou one end coordinates, in the other end, be provided with steel strand connecting hole.
Further, also comprise the first active block stop, the second active block stop, described the first active block stop, the second active block stop are connected at Yu Zhou two ends respectively by screwed hole.
Further, the surface of described reinforcing steel bar connecting sleeve tube, steel strand branch sleeve, axle, the first active block stop, the second active block stop is equipped with and opens.
3, beneficial effect
Than prior art, the beneficial effects of the utility model are:
(1) the utility model adopts independent axle to connect two sleeves, prevents that the transmission of two ends moment of torsion from superposeing by block, can change at any time the one end of scrapping, and saves material, reduces operation, has reduced cost, has improved efficiency of construction;
(2) the utility model is provided with the first active block stop, the second active block stop, can stop the moment of torsion stack of two ends sleeve, has avoided loss;
(3) surface of reinforcing steel bar connecting sleeve tube of the present utility model, steel strand branch sleeve, axle, the first active block stop, the second active block stop is equipped with and opens, and has facilitated installation and removal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is assembling schematic diagram of the present utility model;
Fig. 3 is the structural representation of active block stop of the present utility model.
In figure: 1, reinforcing steel bar connecting sleeve tube; 2, steel strand branch sleeve; 3, axle; 4, the first active block stop; 5, the second active block stop; 6, fixed stop.
The specific embodiment
Below in conjunction with concrete accompanying drawing, the utility model is described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of Novel steel twisted wire tensioner, comprises reinforcing steel bar connecting sleeve tube 1, steel strand branch sleeve 2 and axle 3, and the middle part of axle 3 is provided with fixed stop 6, and two ends are respectively equipped with screw thread; Reinforcing steel bar connecting sleeve tube 1, steel strand branch sleeve 2 connect as one with the two ends of axle 3; In one end of reinforcing steel bar connecting sleeve tube 1, be provided with the inner bolt hole coordinating with axle 3 one end, the other end is provided with the inner bolt hole matching with the external screw thread of finish rolling deformed bar; In one end of steel strand branch sleeve 2, be provided with the inner bolt hole coordinating with axle 3 one end, in the other end, be provided with steel strand connecting hole.
It also comprises that the first active block stop 4 and the second active block stop 5, the first active block stops 4, the second active block stop 5 are connected with the two ends of axle 3 respectively by screwed hole; The surface of reinforcing steel bar connecting sleeve tube 1, steel strand branch sleeve 2, axle 3, the first active block stop 4, the second active block stop 5 is equipped with and opens.
During use, first finish rolling deformed bar, steel strand are connected with corresponding reinforcing steel bar connecting sleeve tube 1, one end of steel strand branch sleeve 2, after the first active block stop 4, the second active block stop 5 are installed on respectively to the two ends of axle 3 and screw with fixed stop 6 and contact, then reinforcing steel bar connecting sleeve tube 1, steel strand branch sleeve 2 are respectively installed to the two ends of axle 3 and screw.
Above content is only to the utility model structure example and explanation; affiliated those skilled in the art make various modifications to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the design of utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. a Novel steel twisted wire tensioner, is characterized in that: comprise reinforcing steel bar connecting sleeve tube (1), steel strand branch sleeve (2) and axle (3), the middle part of described axle (3) is provided with fixed stop (6), and two ends are respectively equipped with screw thread; Described reinforcing steel bar connecting sleeve tube (1), steel strand branch sleeve (2) connect as one with the two ends of axle (3); In one end of described reinforcing steel bar connecting sleeve tube (1), be provided with the inner bolt hole coordinating with axle (3) one end, the other end is provided with the inner bolt hole matching with the external screw thread of finish rolling deformed bar; In one end of described steel strand branch sleeve (2), be provided with the inner bolt hole coordinating with axle (3) one end, in the other end, be provided with steel strand connecting hole.
2. a kind of Novel steel twisted wire tensioner according to claim 1, it is characterized in that: also comprise the first active block stop (4) and the second active block stop (5), described the first active block stop (4), the second active block stop (5) are connected with the two ends of axle (3) respectively by screwed hole.
3. according to a kind of Novel steel twisted wire tensioner described in claim 1 or 2, it is characterized in that: the surface of described reinforcing steel bar connecting sleeve tube (1), steel strand branch sleeve (2), axle (3), the first active block stop (4) and the second active block stop (5) is equipped with and opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320338851.8U CN203393623U (en) | 2013-06-14 | 2013-06-14 | Novel steel strand tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320338851.8U CN203393623U (en) | 2013-06-14 | 2013-06-14 | Novel steel strand tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203393623U true CN203393623U (en) | 2014-01-15 |
Family
ID=49905166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320338851.8U Expired - Fee Related CN203393623U (en) | 2013-06-14 | 2013-06-14 | Novel steel strand tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203393623U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758119A (en) * | 2014-01-24 | 2014-04-30 | 俞向阳 | Pre-tensioning-mode centrifugal concrete pile with steel strands and manufacturing method |
| CN106223637A (en) * | 2016-08-22 | 2016-12-14 | 北京特希达科技有限公司 | The system and method for prestress rope integrative consolidation board wall |
| CN108797370A (en) * | 2018-08-30 | 2018-11-13 | 湖北科技学院 | A kind of steel strand wires clamping device on bridge prestress tensioning equipment |
| CN112695752A (en) * | 2020-12-02 | 2021-04-23 | 武汉理工大学 | Connecting device for anchor rod and foundation pit supporting structure |
-
2013
- 2013-06-14 CN CN201320338851.8U patent/CN203393623U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758119A (en) * | 2014-01-24 | 2014-04-30 | 俞向阳 | Pre-tensioning-mode centrifugal concrete pile with steel strands and manufacturing method |
| CN106223637A (en) * | 2016-08-22 | 2016-12-14 | 北京特希达科技有限公司 | The system and method for prestress rope integrative consolidation board wall |
| CN108797370A (en) * | 2018-08-30 | 2018-11-13 | 湖北科技学院 | A kind of steel strand wires clamping device on bridge prestress tensioning equipment |
| CN112695752A (en) * | 2020-12-02 | 2021-04-23 | 武汉理工大学 | Connecting device for anchor rod and foundation pit supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |