CN105178195B - Anti-rebound steel strand wires tensioner - Google Patents
Anti-rebound steel strand wires tensioner Download PDFInfo
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- CN105178195B CN105178195B CN201510579535.3A CN201510579535A CN105178195B CN 105178195 B CN105178195 B CN 105178195B CN 201510579535 A CN201510579535 A CN 201510579535A CN 105178195 B CN105178195 B CN 105178195B
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- steel strand
- strand wires
- fixed block
- piston
- rebound
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Abstract
The invention discloses a kind of anti-rebound steel strand wires tensioner, including bridge, the prestress hole being arranged in bridge, through the steel strand wires of the prestress hole, for drawing the oil cylinder of steel strand wires, for driving the hydraulic pump and locking mechanism for preventing steel strand wires resilience of cylinder action, its structure is improved ingenious, steel strand wires are fixed using the characteristic of freewheel clutch, prevent its resilience, may insure the construction quality of bridge, more convenient operation safety.
Description
Technical field
The present invention relates to pre-stressed bridge field, specifically a kind of anti-rebound steel strand wires tensioner.
Background technology
In the construction of bridge, steel strand in the prestressed pipe of bridge is needed, then twisted with tensioning equipment extended steel
Line, is set with cone-shaped clip on steel strand wires after stretching, the resilience for being released rear steel strand wires using steel strand wires fills in cone-shaped clip
Steel strand wires are drawn by tensioning steel strand wires in the hole position of pre-buried anchorage pad, the power that this way needs the prestressing force for applying ratio design bigger
Stretch, pulling force produce more difficult, particularly, after steel strand wires resilience, steel strand wires be applied to the prestressing force on bridge often with design
Prestressing force have larger difference, this is necessarily had a huge impact to construction quality.
It is therefore an object of the present invention to provide a kind of anti-rebound steel strand wires tensioner, its structure improve ingenious, using surmounting
The characteristic of clutch fixes steel strand wires, prevents its resilience, it can be ensured that the construction quality of bridge, more convenient operation safety.
Content of the invention
In view of this, the purpose of the present invention is to overcome defect of the prior art, there is provided structure improve ingenious, using surmounting
The characteristic of clutch fixes steel strand wires, prevents resilience, it can be ensured that the construction quality of bridge, and more convenient operation is safe to prevent back
Play steel strand wires tensioner.
The anti-rebound steel strand wires tensioner of the present invention, including bridge, the prestress hole being arranged in bridge, through described pre-
The steel strand wires in stress hole, for draw steel strand wires oil cylinder, for drive cylinder action hydraulic pump and for prevent steel twist
The locking mechanism of line resilience；The piston being fixedly connected with the steel strand wires is provided with the oil cylinder, and fixation on the steel strand wires sets
There are fixed block, the locking mechanism to include that the rotating shaft that is fixed with oil cylinder and fixed block are rolled the locking wheel of cooperation and be arranged at
Freewheel clutch between rotating shaft and locking wheel, the freewheel clutch are sent out when fixed block is moved along the direction that steel strand wires are tensed
Life surmounts；
The anti-rebound steel strand wires tensioner of the present invention also includes that controller, institute's controller are electrically connected to the hydraulic pump and use
Start and stop in control hydraulic pump；
Further, the steel strand wires are provided with strain gauge, and the piston outer face is provided with the cavity for accommodating strain gauge, described
Strain gauge output end signal is connected to the controller；
Further, fixed block side wall is provided with tooth bar along piston movement direction, and the locking wheel is coordinated with the tooth bar；Institute
State freewheel clutch inner ring and rotating shaft secure fit, freewheel clutch outer ring and locking wheel endoporus secure fit；
Further, the piston is equipped with steel strand wires via with fixed block, before being provided between the fixed block and steel strand wires
End toper intermediate plate is simultaneously fixed with steel strand wires by the front end cone-shaped clip, and the piston outer end is fixed with anchorage, and the steel is twisted
Line with anchorage be fixedly connected through the steel strand wires via and by a rear end cone-shaped clip；
Further, the piston side wall is provided with the spacing shaft shoulder, and the oil cylinder outer end is provided with and coordinates limit with the spacing shaft shoulder
The spacing ring of position.
The invention has the beneficial effects as follows：The anti-rebound steel strand wires tensioner of the present invention, steel strand wires should through pre- on bridge
Power hole, after charged pressure oil in the oil cylinder to this device, piston is fixedly connected with steel strand wires and is moved away from bridge, so as to open
Drawing steel stranded wire, after the pulling force of steel strand wires reaches setting value, closes hydraulic pump, and freewheel clutch can prevent locking wheel from inverting,
So that the position locking of fixed block, and then prevent steel strand wires resilience, it can be ensured that the construction quality of bridge, more convenient operation are pacified
Entirely.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the connection diagram of the locking wheel of the present invention.
Specific embodiment
Fig. 1 is the structural representation of the present invention；As illustrated, 5 tensioner of anti-rebound steel strand wires of the present embodiment includes bridge
Beam 1, the prestress hole being arranged in bridge 1, through the prestress hole steel strand wires 5, for draw steel strand wires 5 oil cylinder 3,
For driving the hydraulic pump 7 and locking mechanism for preventing 5 resilience of steel strand wires of 3 action of oil cylinder；Be provided with the oil cylinder 3 with
The piston 9 that the steel strand wires 5 are fixedly connected, is fixed with fixed block 12 on the steel strand wires 5, the locking mechanism includes and oil
The rotating shaft 14 and fixed block 12 that cylinder 3 is fixed rolls the locking wheel 11 of cooperation and is arranged between rotating shaft 14 and locking wheel 11
Freewheel clutch 13, the freewheel clutch 13 surmount when fixed block 12 is moved along the direction that steel strand wires 5 are tensed, and steel is twisted
Line 5 through the prestress hole on bridge 1, after charged pressure oil in the oil cylinder 3 to this device, fixed with steel strand wires 5 and connected by piston 9
Connect and move away from bridge 1, so as to tension steel strand 5, after the pulling force of steel strand wires 5 reaches setting value, close hydraulic pump 7, surpass
More clutch 13 can prevent locking wheel 11 from inverting, so that the position locking of fixed block 12, and then 5 resilience of steel strand wires is prevented,
May insure the construction quality of bridge 1, more convenient operation safety.
5 tensioner of anti-rebound steel strand wires of the present embodiment also includes that controller 6, institute's controller 6 are electrically connected to the hydraulic pressure
Pump 7 is used for the start and stop for controlling hydraulic pump 7, and when needing to tense steel strand wires 5, control hydraulic pump 7 is opened, and transports piston 9
Dynamic tension steel strand wires 5, after the prestressing force of steel strand wires 5 reaches setting value, close hydraulic pump 7, and the locking of locking wheel 11 is inverted, so as to
The position of locking fixed block 12.
In the present embodiment, the steel strand wires 5 are provided with strain gauge, and 9 outer face of the piston is provided with the chamber for accommodating strain gauge
Body, the strain gauge output end signal are connected to the controller 6, the pulling force signal control that controller 6 is gathered by strain gauge
The start and stop of hydraulic pump 7.
In the present embodiment, 12 side wall of the fixed block is provided with tooth bar 10 along 9 direction of motion of piston, the locking wheel 11 with should
Tooth bar 10 coordinates；13 inner ring of the freewheel clutch and 14 secure fit of rotating shaft, in 13 outer ring of freewheel clutch and locking wheel 11
Hole secure fit, when steel strand wires 5 are tensed using oil cylinder 3, freewheel clutch 13 in surmounting state, therefore, locking wheel 11 with
Rotatably coordinate between rotating shaft 14, steel strand wires 5 freely can be pulled, after 5 prestressing force of steel strand wires reaches setting value, close hydraulic pump
7, steel strand wires 5 produce trend of rebound, and between locking wheel 11 and rotating shaft 14, mutually transmission coordinates, it is ensured that steel strand wires 5 are fixed, it is to avoid return
Bullet.
In the present embodiment, the piston 9 is equipped with 5 via of steel strand wires, the fixed block 12 and steel strand wires 5 with fixed block 12
Between be provided with front end cone-shaped clip 2 and fixed with steel strand wires 5 by the front end cone-shaped clip 2,9 outer end of the piston is fixed with
Anchorage 4, the steel strand wires 5 with anchorage 4 are fixedly connected through 5 via of the steel strand wires and by a rear end cone-shaped clip 8.
In the present embodiment, 9 side wall of the piston is provided with the spacing shaft shoulder, and 3 outer end of the oil cylinder is provided with and the spacing shaft shoulder
Coordinate spacing spacing ring, so as to realize that 9 maximum tension distance of piston is limited, it is to avoid break steel strand wires 5.
Finally illustrate, above example is only unrestricted in order to technical scheme to be described, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (5)
1. a kind of anti-rebound steel strand wires tensioner, it is characterised in that：Including bridge, the prestress hole being arranged in bridge, pass through
The steel strand wires of the prestress hole, for drawing the oil cylinder of steel strand wires, for driving the hydraulic pump of cylinder action and for hindering
The only locking mechanism of steel strand wires resilience；The piston being fixedly connected with the steel strand wires is provided with the oil cylinder, on the steel strand wires
Be fixed with fixed block, the locking mechanism include the rotating shaft that fixes with oil cylinder and fixed block roll the locking wheel that coordinates and
The freewheel clutch being arranged between rotating shaft and locking wheel, the freewheel clutch are moved along the direction that steel strand wires are tensed in fixed block
Surmount when dynamic；Fixed block side wall is provided with tooth bar along piston movement direction, and the locking wheel is coordinated with the tooth bar；Described
Freewheel clutch inner ring and rotating shaft secure fit, freewheel clutch outer ring and locking wheel endoporus secure fit.
2. anti-rebound steel strand wires tensioner according to claim 1, it is characterised in that：Also include controller, institute's controller
It is electrically connected to the start and stop that the hydraulic pump is used for controlling hydraulic pump.
3. anti-rebound steel strand wires tensioner according to claim 2, it is characterised in that：The steel strand wires are provided with pulling force
Meter, the piston outer face are provided with the cavity for accommodating strain gauge, and the strain gauge output end signal is connected to the controller.
4. anti-rebound steel strand wires tensioner according to claim 3, it is characterised in that：The piston is equipped with fixed block
Steel strand wires via, is provided with front end cone-shaped clip and by the front end cone-shaped clip and steel strand wires between the fixed block and steel strand wires
Fixed, the piston outer end is fixed with anchorage, and the steel strand wires through the steel strand wires via and pass through a rear end tapered clamp
Piece is fixedly connected with anchorage.
5. anti-rebound steel strand wires tensioner according to claim 4, it is characterised in that：The piston side wall is provided with limit shaft
Shoulder, the oil cylinder outer end are provided with and coordinate spacing spacing ring with the spacing shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579535.3A CN105178195B (en) | 2015-09-09 | 2015-09-09 | Anti-rebound steel strand wires tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579535.3A CN105178195B (en) | 2015-09-09 | 2015-09-09 | Anti-rebound steel strand wires tensioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178195A CN105178195A (en) | 2015-12-23 |
| CN105178195B true CN105178195B (en) | 2017-03-15 |
Family
ID=54900585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510579535.3A Active CN105178195B (en) | 2015-09-09 | 2015-09-09 | Anti-rebound steel strand wires tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105178195B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4805366B2 (en) * | 2009-01-23 | 2011-11-02 | オックスジャッキ株式会社 | Heavy goods transfer device with built-in propulsion mechanism |
| CN103174094A (en) * | 2013-03-15 | 2013-06-26 | 合肥惠利普电机有限公司 | Resilience prevention bridge girder prestress tension device |
| CN203200661U (en) * | 2013-03-15 | 2013-09-18 | 合肥惠利普电机有限公司 | Resilience prevention bridge girder prestress tension device |
| CN104652287B (en) * | 2015-02-25 | 2016-06-22 | 林同棪国际工程咨询（中国）有限公司 | Bridge prestress tensioning equipment |
| CN104818676B (en) * | 2015-03-11 | 2016-08-17 | 重庆工商职业学院 | Prestress steel twist thread tensioner |
-
2015
- 2015-09-09 CN CN201510579535.3A patent/CN105178195B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178195A (en) | 2015-12-23 |
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