CN207176485U - A kind of prestress wire stretch-draw anchor structure - Google Patents
A kind of prestress wire stretch-draw anchor structure Download PDFInfo
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- CN207176485U CN207176485U CN201721193828.9U CN201721193828U CN207176485U CN 207176485 U CN207176485 U CN 207176485U CN 201721193828 U CN201721193828 U CN 201721193828U CN 207176485 U CN207176485 U CN 207176485U
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Abstract
A kind of prestress wire stretch-draw anchor structure, including limiting plate, limiting plate is provided with mount structure supporting plate, and anchoring mechanism is provided with mount structure supporting plate, the anchoring mechanism includes outer slip body and Nei Ka casees, and outer slip body and Nei Ka casees are slidably connected and locked；Limited block, tension rod are provided with the interior card case, the correspondence position that body is slided outside limited block and lower end is equipped with multiple mounting grooves, multiple locking members are provided with upper and lower mounting groove in the same direction, the locking member includes sleeve, taper hole is provided with sleeve, taper hole inner circumferential is provided with multiple cone-shaped clips, and multiple cone-shaped clips are close in formation through hole at the axis of taper, each cone-shaped clip upper end is connected with spring, and spring is connected with dismountable latch plate.A kind of prestress wire stretch-draw anchor structure provided by the utility model, by setting anchoring mechanism, can avoid steel strand wires from wasting during steel strand tension, while convenient regulation, dismounting and installation.
Description
Technical field
Steel strand tension equipment is the utility model is related to, especially a kind of prestress wire stretch-draw anchor structure.
Background technology
The stretching construction of prestress wire is as the core technology in post-stressed bridge construction, to controlling bridge
Quality play vital effect.Need steel strand wires being then passed through punching jack through finished product lockset during tensioning to be opened
Draw, because exposed steel strand wires need long enough during tensioning fixation, the waste of steel strand wires can be caused, and steel strand wires are actually being opened
During drawing, there is a situation where different in size, cause stretching process fracture of wire and stripped thread phenomenon occur.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of prestress wire stretch-draw anchor structure, Neng Gou
Steel strand wires are avoided to waste during steel strand tension, while convenient regulation, dismounting and installation.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of prestress wire stretch-draw anchor structure, including limiting plate, limiting plate are provided with mount structure supporting plate, frame knot
Anchoring mechanism is provided with structure supporting plate, the anchoring mechanism includes outer slip body and Nei Ka casees, outer slip body and Nei Ka
Case is slidably connected and locked；Limited block, tension rod are provided with the interior card case, the corresponding position of body is slided outside limited block and lower end
Put and be equipped with multiple mounting grooves, be provided with multiple locking members in upper and lower mounting groove in the same direction, the locking member includes sleeve, in sleeve
Provided with taper hole, taper hole inner circumferential is provided with multiple cone-shaped clips, and multiple cone-shaped clips are close in formation through hole at the axis of taper, often
Individual cone-shaped clip upper end is connected with spring, and spring is connected with dismountable latch plate.
Waist hole is vertically provided with the interior card case, corresponding outer slip body is provided with circular hole, and fastening bolt is worn
Cross waist hole, circular hole fixes outer slip body and Nei Ka casees.
The angle of taper of the taper hole is less than the angle of taper of cone-shaped clip, and the taper surface of taper hole is provided with and tapered clamp
The adaptable groove of piece.
The spring upper and lower side is connected with connection ring, connection ring by down through hook respectively with latch plate, taper
Link connection on intermediate plate.
The latch plate is arranged in the neck of sleeve, and sleeve top is provided with the fluting being adapted with latch plate.
The sleeve lower surface scribbles magnetosphere.
A kind of prestress wire stretch-draw anchor structure of the utility model, there is following technique effect：
1）, by setting mount structure supporting plate, anchoring mechanism is set in mount structure supporting plate, and anchoring mechanism one end passes through
Locking member is fixedly connected with prestressing steel wire bunch, and the other end is connected by tension rod with punching jack, in advance should relative to original
Power steel tendon is needed through for punching jack, anchor structure, the prestressing steel wire bunch greatlyd save, shorter for overhang
Steel tendon for it is very convenient, and because steel tendon is shorter, and slide outside body, in interior card case wear steel wire hole position also by
Each positioning hole, lead are consistent, therefore ensure that each steel wire does not cross mutually and not skewed, ensures the accuracy of measurement,
Also reduce the error brought by abrasion simultaneously.
2）, by set can the relative positioning outer slip body, the interior card case that slide, and slide body outside, on interior card case
Locking member is respectively provided with, the locking in stretching process and after tensioning can be realized successively, ensures the safety in whole process.Additionally, due to
The outer threading hole position face inconvenience for sliding body, interior card case, and front and rear locking need not be adjusted, therefore for repeatedly stretching,
Adjust simpler convenience.
3）, by the way that cone-shaped clip is connected with spring, dismountable latch plate, can after stretching force removes the side of automatically reseting
Just steel wire is worn next time, while the dismountable latch plate in top can facilitate the part easily to be failed to cone-shaped clip, spring etc. to carry out more
Change.The tooth form screw thread of other cone-shaped clip medial surface can also reduce fracture of wire and stripped thread phenomenon.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is inside of the present utility model.
Fig. 2 is the schematic diagram of locking member in the utility model.
Fig. 3 is the schematic diagram of the utility model middle sleeve.
Fig. 4 is the schematic diagram of the utility model middle sleeve.
Fig. 5 is the schematic diagram of cone-shaped clip in the utility model.
Fig. 6 is the schematic diagram of latch plate in the utility model.
Schematic diagram when Fig. 7 is the utility model tensioning.
In figure：Limiting plate 1, mount structure supporting plate 2, outer slip body 3, interior card case 4, limited block 5, mounting groove 6, locking member
7, sleeve 8, taper hole 9, cone-shaped clip 10, spring 11, latch plate 12, tension rod 13, fastening bolt 14, connection ring 15, neck 16,
Fluting 17, groove 18, punching jack 19, slave computer 20, host computer 21.
Embodiment
As shown in Figure 1-2, a kind of prestress wire stretch-draw anchor structure, including limiting plate 1, limiting plate 1 are arranged on beam
Body both sides.Mount structure supporting plate 2 is provided with the limiting plate 1 of every side, anchoring mechanism is provided with mount structure supporting plate 2, is anchored
Mechanism can anchor to single prestressed thick reinforcement or prestressing steel wire bunch.
The anchoring mechanism includes outer slip body 3 and Nei Ka casees 4, and outer slip body 3 and Nei Ka casees 4 are U-shape structure,
Fore-and-aft direction is in communication with the outside, so convenient observation regulation.Outer slip body 3 is typically by bolt and limiting plate
1 is fixedly connected, and so ensures that each hole centering is all right when prestressing steel wire bunch passes through.Interior card case 4 is slidably arranged in outer cunning
In dynamic body 3, and waist hole is vertically provided with interior card case 4, corresponding outer slip body 3 is provided with circular hole, fastening bolt
14 fix outer slip body 3 and Nei Ka casees 4 through waist hole, circular hole.Fastening bolt 14 is unscrewed in tensioning, outer slip body is only
Guide effect is only played, is arranged when ensureing each steel wire of prestressing steel wire bunch through outer slip body 3, interior 4 corresponding hole position of card case
Row are consistent, prevent phase mutual friction, winding between steel wire, influence stretch-draw effect.Column limited block 5, post are provided with the interior card case 4
Shape limited block 5 is oriented to by the lead of the interior both sides of card case 4 and slides positioning, in the column limited block 5 and lower section of column limited block 5
Multiple mounting grooves 6 are provided with outer slip body 3, mounting groove 6 can rounded or distributed rectangular.Mounting groove 6 is upper coarse and lower fine, upper and lower
Multiple locking members 7 are provided with mounting groove 6 in the same direction.The locking member 7 includes sleeve 8, and the lower surface of sleeve 8 scribbles magnetosphere, passed through
Magnetosphere is directly fixed with the bottom of mounting groove 6, and dismounting is all very convenient.And taper hole 9 is provided with sleeve 8, the side wall of taper hole 9 is circumferentially uniform
There are 3 grooves, 18,3 cone-shaped clips 10 to be slidably arranged in by groove 18 in taper hole 9, it is orientable to slide up and down, thereby guarantee that
Cone-shaped clip is uniformly distributed, and later stage uniform clamping, avoids deflection crimp, while also avoids steel wire part excessive stresses.3
Cone-shaped clip 10 is close at the axis of taper formation through hole, through hole be available for steel wire by and lock.And the top of column limited block 5
Interior card case 4 in be additionally provided with tension rod 13, tension rod 13 stretches out mount structure supporting plate 2 and is connected with punching jack.
During work, unscrew fastening bolt 14, the nut on punching jack jacking tension rod 13 top, by tension rod 13,
Interior card case 4 and column limited block 5 act on upwards so that prestressing steel wire bunch is deposited to move relatively downward.Due on the inside of cone-shaped clip
There is screw thread in wall, the thread form section of screw thread is triangle, the two sides at crest angle towards cone-shaped clip miner diameter end be wedge surface, court
It is pawl face to cone-shaped clip bigger diameter end, therefore steel wire can be engaged.Steel wire pulls cone-shaped clip downward, cone-shaped clip
The through hole of formation is less and less, so as to which more wedge is tighter, completes locking.Load is applied in a beam body left side by punching jack after locking
Right both sides, system gather every operating pressure of punching jack 19 and stretching for prestressing steel wire bunch by signal pickup assembly
The data such as long amount (containing amount of recovery), pressure sensor are responsible for the pressure of the oil cylinder of collection punching jack 19 in stretching process
Force value, host computer 21 is transmitted to by slave computer 20, host computer 21 is converted into value of thrust according to calibrating parameters.Displacement sensing
Device is responsible for collection prestressing steel wire bunch elongation (containing amount of recovery) value in stretching process, is transmitted to by slave computer 20
Host computer 21.Instruction is transmitted oil-feed pump by host computer 21 by slave computer 20, and oil pump receives system command, and adjustment in good time becomes
Frequency motor running parameter, so as to realize the rotating speed of the in good time Oil pump electrical machinery of high accuracy, realize the accurate control of stretching force and loading velocity
System.In addition, system is always according to default program, instruction is sent by host computer 21, every equipment of Synchronization Control each
Mechanical action, it is automatically performed whole stretching process.
After the completion of tensioning, lay down the load of punching jack 19, the interior related column limited block 5 of card case 4 it is overall not by
Power, and prestressing steel wire bunch has a downward power after power release, the power drives the outer locking member 7 slided in body 3 downward
It is mobile, auto lock is realized, ensures Subsequent secure.
Multiple each upper ends of cone-shaped clip 10 are connected with spring 11, and spring 11 is connected with dismountable latch plate 12.Thus
It can be automatically reset after not stressing, facilitate and wear steel wire next time and lock again.The upper and lower side of spring 11 connects with connection ring 15
Connect, connection ring 15 with the link on latch plate 12, cone-shaped clip 10 by being connected respectively down through hook.Pass through connection ring 15
Cone-shaped clip 10 can be connected well with spring, while be also convenient for later stage replacing.The latch plate 12 is arranged on the card of sleeve 8
In groove 16, the top of sleeve 8 is provided with the fluting 17 being adapted with latch plate 12., can be by bullet due to when needing to take out latch plate
Three projections of spring plank with fluting 17 faces can take out it is simple and convenient, to the consumable accessorys such as later stage cone-shaped clip, spring change it is non-
It is often convenient.
The angle of taper of the taper hole 9 is less than angle of taper 20 '~30 ' of cone-shaped clip 10, thus gives full play to pre- answer
The intensity and ductility of power muscle, the screw thread of anchor clipper will not be caused excessive to presstressed reinforcing steel chucking power, prevent the steel strand wires that bite.
Claims (6)
- A kind of 1. prestress wire stretch-draw anchor structure, it is characterised in that：Including limiting plate（1）, limiting plate（1）It is provided with frame Structural support plate（2）, mount structure supporting plate（2）Anchoring mechanism is inside provided with, the anchoring mechanism includes outer slip body（3）With Interior card case（4）, outer slip body（3）With interior card case（4）It is slidably connected and locks；The interior card case（4）It is interior to be provided with limited block （5）, tension rod（13）, limited block（5）With body is slided outside lower end（3）Correspondence position be equipped with multiple mounting grooves（6）, up and down Mounting groove（6）Multiple locking members are inside provided with the same direction（7）, the locking member（7）Including sleeve（8）, sleeve（8）It is interior to be provided with taper hole （9）, taper hole（9）Inner circumferential is provided with multiple cone-shaped clips（10）, multiple cone-shaped clips（10）It is close at the axis of taper and is formed Through hole, each cone-shaped clip（10）Upper end and spring（11）Connection, spring（11）With dismountable latch plate（12）Connection.
- A kind of 2. prestress wire stretch-draw anchor structure according to claim 1, it is characterised in that：The interior card case （4）On be vertically provided with waist hole, corresponding outer slip body（3）It is provided with circular hole, fastening bolt（14）Through waist hole, circle Hole is by outer slip body（3）With interior card case（4）It is fixed.
- A kind of 3. prestress wire stretch-draw anchor structure according to claim 1, it is characterised in that：The taper hole（9） Angle of taper be less than cone-shaped clip（10）Angle of taper, and taper hole（9）Taper surface be provided with and cone-shaped clip（10）Phase The groove of adaptation（18）.
- A kind of 4. prestress wire stretch-draw anchor structure according to claim 1, it is characterised in that：The spring（11） Upper and lower side is and connection ring（15）Connection, connection ring（15）By down through hook respectively with latch plate（12）, cone-shaped clip （10）On link connection.
- A kind of 5. prestress wire stretch-draw anchor structure according to claim 4, it is characterised in that：The latch plate （12）Installed in sleeve（8）Neck（16）It is interior, sleeve（8）Top is provided with and latch plate（12）Adaptable fluting（17）.
- A kind of 6. prestress wire stretch-draw anchor structure according to claim 1, it is characterised in that：The sleeve（8） Lower surface scribbles magnetosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721193828.9U CN207176485U (en) | 2017-09-18 | 2017-09-18 | A kind of prestress wire stretch-draw anchor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721193828.9U CN207176485U (en) | 2017-09-18 | 2017-09-18 | A kind of prestress wire stretch-draw anchor structure |
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| Publication Number | Publication Date |
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| CN207176485U true CN207176485U (en) | 2018-04-03 |
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| CN201721193828.9U Active CN207176485U (en) | 2017-09-18 | 2017-09-18 | A kind of prestress wire stretch-draw anchor structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457976A (en) * | 2018-12-14 | 2019-03-12 | 中国三冶集团有限公司 | A kind of field fabrication steel strand anchoring end end onion device |
| CN110295551A (en) * | 2019-08-09 | 2019-10-01 | 中国建筑第四工程局有限公司 | Continuous rigid frame bridge external prestressing strengthening structure |
| CN110565545A (en) * | 2019-08-21 | 2019-12-13 | 杭州钜力锚杆科技有限公司 | stress low-loss, low-retraction and self-locking anchorage device |
| CN110700104A (en) * | 2019-10-17 | 2020-01-17 | 中国十七冶集团有限公司 | Construction platform of suspension bridge suspender tensioning equipment and use method |
| CN111173294A (en) * | 2019-12-31 | 2020-05-19 | 中建交通建设集团有限公司 | Spring reset type ultrashort prestressed beam low-retraction tensioning anchoring device and construction method |
| FR3098909A1 (en) * | 2019-07-19 | 2021-01-22 | Soletanche Freyssinet | Method for measuring the residual prestressing in a reinforcement |
| CN112458899A (en) * | 2020-04-03 | 2021-03-09 | 吕世宽 | Bridge prestress tensioning device |
| CN112791263A (en) * | 2021-01-29 | 2021-05-14 | 佛山市汉康医疗设备有限公司 | Novel injection pump transmission sliding table and injection pump |
| CN114382230A (en) * | 2022-01-25 | 2022-04-22 | 中建鹭港建设有限公司 | Prestressed beam structure and construction method thereof |
| CN115450435A (en) * | 2022-08-10 | 2022-12-09 | 中交一公局集团有限公司 | Single equal-prestress tensioning device |
| CN118422883A (en) * | 2024-07-05 | 2024-08-02 | 厦门铖知新材科技有限公司 | Anchor rod inhaul cable auxiliary device with prestress transmission and health quality detection functions |
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2017
- 2017-09-18 CN CN201721193828.9U patent/CN207176485U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457976A (en) * | 2018-12-14 | 2019-03-12 | 中国三冶集团有限公司 | A kind of field fabrication steel strand anchoring end end onion device |
| FR3098909A1 (en) * | 2019-07-19 | 2021-01-22 | Soletanche Freyssinet | Method for measuring the residual prestressing in a reinforcement |
| CN110295551A (en) * | 2019-08-09 | 2019-10-01 | 中国建筑第四工程局有限公司 | Continuous rigid frame bridge external prestressing strengthening structure |
| CN110565545A (en) * | 2019-08-21 | 2019-12-13 | 杭州钜力锚杆科技有限公司 | stress low-loss, low-retraction and self-locking anchorage device |
| CN110700104A (en) * | 2019-10-17 | 2020-01-17 | 中国十七冶集团有限公司 | Construction platform of suspension bridge suspender tensioning equipment and use method |
| CN111173294B (en) * | 2019-12-31 | 2022-01-28 | 中建交通建设集团有限公司 | Spring reset type ultrashort prestressed beam low-retraction tensioning anchoring device and construction method |
| CN111173294A (en) * | 2019-12-31 | 2020-05-19 | 中建交通建设集团有限公司 | Spring reset type ultrashort prestressed beam low-retraction tensioning anchoring device and construction method |
| CN112458899A (en) * | 2020-04-03 | 2021-03-09 | 吕世宽 | Bridge prestress tensioning device |
| CN112791263A (en) * | 2021-01-29 | 2021-05-14 | 佛山市汉康医疗设备有限公司 | Novel injection pump transmission sliding table and injection pump |
| CN114382230A (en) * | 2022-01-25 | 2022-04-22 | 中建鹭港建设有限公司 | Prestressed beam structure and construction method thereof |
| CN115450435A (en) * | 2022-08-10 | 2022-12-09 | 中交一公局集团有限公司 | Single equal-prestress tensioning device |
| CN115450435B (en) * | 2022-08-10 | 2023-10-03 | 中交一公局集团有限公司 | Single equal prestress tensioning equipment |
| CN118422883A (en) * | 2024-07-05 | 2024-08-02 | 厦门铖知新材科技有限公司 | Anchor rod inhaul cable auxiliary device with prestress transmission and health quality detection functions |
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