CN206487069U - One kind is reinforced with exempting from jack compressor wire stretching and anchoring device - Google Patents
One kind is reinforced with exempting from jack compressor wire stretching and anchoring device Download PDFInfo
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- CN206487069U CN206487069U CN201720056520.3U CN201720056520U CN206487069U CN 206487069 U CN206487069 U CN 206487069U CN 201720056520 U CN201720056520 U CN 201720056520U CN 206487069 U CN206487069 U CN 206487069U
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- power transmission
- anchor plate
- transmission screw
- tensioning
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Abstract
The utility model is related to a kind of reinforce with exempting from jack compressor wire stretching and anchoring device.The tensioning of compressor wire mainly uses hydraulic jack equipment in existing Hight strength cable mortar coating bracing means, and complex operation, cost is high, and space requirement is big.The utility model is in being reinforced concrete structure bottom fixing structure connection anchor plate, and the structure connection anchor plate is L shaped plate, and one end has downward boss；One end of high tensile steel wire is anchored in anchored end by pier nose, and the other end does pier nose processing after passing through hollow power transmission screw rod；Hollow power transmission screw rod connects the screw set on anchor plate boss through structure, and the hollow power transmission screw rod of structure connection anchor plate outside the boss lengthens hex nut by tensioning and fixed.The utility model can be realized carries out normal tensioning under small operating space to high tensile steel wire, and tensioning equipment is simply portable, and cost is low, and each part is light and handy, facilitate installing/dismounting and later stage check, conserve.
Description
Technical field
The utility model is related to Reinforcement Technology of Concrete Structure field, and in particular to one kind is reinforced with exempting from jack prestressing force
Steel wire stretching anchor.
Background technology
Hight strength cable-mortar coating reinforce be after the stretch-draw anchor compressor wire of concrete structure outer surface,
One reinforcement technique of additional layer mortar cover, degree of prestressing is big, reinforcing thickness is small, consolidation effect with applying for the technology
Significantly, durability and the good outstanding advantages of aesthetic property, are progressively applied to concrete structure reinforcement engineering at present.
The tensioning of compressor wire mainly uses oil jack in existing Hight strength cable-mortar coating bracing means
Equipment is pushed up, the prestressing force of structure is provided by the reactive drawing steel wire of jack.Usual prestressed stretch-draw jack volume compared with
Greatly, length is big compared with long, tonnage, complex operation, cost are high, and the counterforce device construction for coordinating jack to need is complicated, space will
Ask big.
In actual reinforcing engineering, often influenceed by original structure, operable space very little of constructing causes compressor wire
Traditional jack tension can not be carried out, so as to have a strong impact on the application of Hight strength cable-mortar coating reinforcement technique.
At present, normal of high tensile steel wire also can be achieved in the case of small operating space without special small-sized pre-stress stretching device
Draw.
The content of the invention
The purpose of this utility model is to provide a kind of reinforcing with jack compressor wire stretching and anchoring device is exempted from, and solves
Compressor wire present in prior art is set using jack tension operating space deficiency, cable tensios control technical sophistication, tensioning
Standby huge the problem of.
The technical scheme that the utility model is used for：
One kind is reinforced with exempting from jack compressor wire stretching and anchoring device, it is characterised in that：
In being reinforced concrete structure bottom fixing structure connection anchor plate, the structure connection anchor plate is L-shaped
Plate, one end has downward boss；
One end of high tensile steel wire is anchored in anchored end by pier nose, and the other end is done at pier nose after passing through hollow power transmission screw rod
Reason；Hollow power transmission screw rod connects the screw set on anchor plate boss, structure connection anchor plate outside the boss through structure
Hollow power transmission screw rod by tensioning lengthen hex nut fix.
Tensioning lengthens and is provided with packing ring between hex nut and structure connection anchor plate outside the boss end face.
Many places screw is provided with the plane of structure connection anchor plate, is fixed on by anchor bolt and is reinforced concrete
Structural base.
Hollow power transmission screw rod is hollow power transmission screw rod flat to side milling, and the screw of corresponding connection anchor plate boss is flat
Hole.
The utility model has advantages below：
The utility model can be achieved to carry out high tensile steel wire under small operating space in Hight strength cable reinforcement technique
Normal tensioning, tensioning space is required to be reduced to be less than 10cm along high tensile steel wire length direction by the existing 30cm that is more than.It can one
Using torque spanner tensioning, tensioning equipment is simple, portable, and cost is low, good economy performance.Tensioning is easy, can flexibly carry out single
Draw or many simultaneous tensions.Each part is light and handy, facilitate installing/dismounting and later stage check, conserve.
Brief description of the drawings
Fig. 1 is the utility model elevation；
Fig. 2 is the utility model plan；
Fig. 3 is structure connection anchor plate schematic diagram；
Fig. 4 is hollow power transmission screw rod schematic diagram flat to side milling；
Fig. 5 is that tensioning lengthens hex nut schematic diagram.
In figure, 1. are reinforced concrete structure, and 2. structures connection anchor plate, 3. anchor bolts, 4. pairs of side millings are flat hollow
Power transmission screw rod, 5. tensioning lengthen hex nut, 6. packing rings, 7. high tensile steel wires.
Embodiment
The utility model is described in detail with reference to embodiment.
The utility model be related to it is a kind of reinforce with exempting from jack compressor wire stretching and anchoring device, in being reinforced concrete
The bottom fixing structure of structure 1 connects anchor plate 2, and the structure connection anchor plate 2 is L shaped plate, and one end has downwards convex
Platform.Many places screw is provided with the plane of structure connection anchor plate 2, is fixed on by anchor bolt 3 and is reinforced concrete knot
The bottom of structure 1.
One end of high tensile steel wire 7 is anchored in anchored end by pier nose, and the other end does pier nose after passing through hollow power transmission screw rod
Processing；Hollow power transmission screw rod connects the screw set on the boss of anchor plate 2, the structure connection boss of anchor plate 2 through structure
The hollow power transmission screw rod in outside lengthens hex nut 5 by tensioning and fixed.During use state, high tensile steel wire 7 is arranged in parallel in mixed
Xtah Crude Clay structure outer surface.Tensioning lengthens and is provided with packing ring between hex nut 5 and the structure connection outside the boss end face of anchor plate 2
6.Hollow power transmission screw rod is hollow power transmission screw rod 4 flat to side milling, and the screw of the corresponding connection boss of anchor plate 2 is flat hole.Adopt
It is artificial to reverse tensioning lengthening hex nut 5 with torque spanner, it can stretch high tensile steel wire by the axial movement of hollow power transmission screw rod
It is long, so as to realize the prestressed stretch-draw of high tensile steel wire.Tensioning lengthens hex nut 5 and not only plays torsion tensioning, while conduct
The anchor of high tensile steel wire 7.
Structure connects anchor plate 2 in the size of the vertical length direction of high tensile steel wire 7, i.e. the height of boss can be according to high-strength
The actual radical of steel wire 7 extends.
Operation principle：
The utility model is reinforced with exempting from after jack compressor wire stretching and anchoring device connects by such scheme, to use
Torque spanner manually reverses tensioning and lengthens hex nut 5, and hollow power transmission screw rod 4 flat to side milling is connected anchor plate 2 by structure
Constraint can not be rotated, and hollow power transmission screw rod 4 flat to side milling is only moved axially outward by screw thread, hollow biography flat to side milling
The axial movement of power screw rod 4 drives top pressure to be extended in the pier nose high tensile steel wire 7 to the flat hollow termination of power transmission screw rod 4 of side milling, so as to reach
To the purpose of the tensioning of high tensile steel wire 7.The stretching force of high tensile steel wire 7 passes through the actual elongation for measuring high tensile steel wire 7 or measurement pair
The flat hollow axial movement of power transmission screw rod 4 distance of side milling is controlled.
During practical application, the strength grade of the high tensile steel wire 7, design stretching force, diameter, length, quantity are true by design
It is fixed；The size and number of anchor bolt 3 are determined by the design stretching force and quantity of high tensile steel wire 7, from high-strength bolt；Opposite side
The inflated diameter of the flat hollow power transmission screw rod 4 of milling determines by the diameter of high tensile steel wire 7, the diameter of hollow power transmission screw rod 4 flat to side milling
Determined with thread size by the design stretching force of high tensile steel wire 7, the length of hollow power transmission screw rod 4 flat to side milling is by high tensile steel wire 7
Design elongation determine, material selection low-alloy high-tensile structural steel；The size of structure connection anchor plate 2 is according to anchoring spiral shell
Size and number, the quantity of high tensile steel wire 7 and the arrangement of bolt 3 and the diameter determination to the flat hollow power transmission screw rod 4 of side milling, material choosing
Take low-alloy high-tensile structural steel；Tensioning lengthen hex nut 5 dimensions with it is supporting to the flat hollow power transmission screw rod 4 of side milling,
Tensioning lengthens the length of hex nut 5 and determined by the design stretching force of high tensile steel wire 7, from A grades of nuts.
Installation operation step：
（1）Cleaning, the levelling surface for being reinforced concrete structure 1；
（2）Measurement, the position of positioning and anchoring bolt 3, and the screw rod for the anchor bolt 3 that drilled, planted；
（3）By design processing structure connection anchor plate 2, and to needing to pass through the screw rod of anchor bolt 3 and flat to side milling
The position of hollow power transmission screw rod 4 carries out setting-out drilling, in-site installation structure connection anchor plate 2, the spiral shell of tightening anchor bolts 3
It is female；
（4）High tensile steel wire 7 is passed through after hollow power transmission screw rod 4 flat to side milling using chill casting pier head machine progress pier nose；
（5）High tensile steel wire 7 after pier nose and the flat hollow power transmission screw rod 4 of side milling is connected integrally through the structure with flat hole
Anchor plate 2, after after the exposed certain length of flat hollow power transmission screw rod 4 to side milling, covers upper gasket 6, reverses tensioning and lengthens hexagonal spiral shell
Mother 5, makes the pretension of high tensile steel wire 7；
（6）After pretension, tensioning is manually reversed using torque spanner and lengthens hex nut 5, is made by screw thread to the flat sky of side milling
Heart power transmission screw rod 4 is moved axially, and the hollow axial movement of power transmission screw rod 4 flat to side milling drives top pressure to the flat hollow power transmission of side milling
The pier nose high tensile steel wire 7 of the termination of screw rod 4 extends, so as to reach the purpose of the tensioning of high tensile steel wire 7.
The utility model has following key problem in technology：
Tensioning is manually reversed using torque spanner and lengthens hex nut 5, hollow power transmission screw rod 4 flat to side milling is connected by structure
The constraint of anchor plate 2 can not be rotated, and hollow power transmission screw rod 4 flat to side milling is only moved axially outward by screw thread, right
The flat hollow axial movement of power transmission screw rod 4 of side milling drives top pressure in the pier nose high tensile steel wire 7 to the flat hollow termination of power transmission screw rod 4 of side milling
Elongation, so as to reach the purpose of the tensioning of high tensile steel wire 7.The stretching force of high tensile steel wire 7 passes through the actual elongation for measuring high tensile steel wire 7
Amount or the measurement hollow axial movement of power transmission screw rod 4 distance flat to side milling are controlled.
Content of the present utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and any equivalent conversion taken technical solutions of the utility model, are claim institute of the present utility model
Cover.
Claims (4)
1. one kind is reinforced with exempting from jack compressor wire stretching and anchoring device, it is characterised in that：
In being reinforced concrete structure（1）Bottom fixing structure connects anchor plate（2）, the structure connection anchor plate（2）
For L shaped plate, one end has downward boss；
High tensile steel wire（7）One end be anchored at by pier nose in anchored end, the other end pass through hollow power transmission screw rod after do at pier nose
Reason；Hollow power transmission screw rod connects anchor plate through structure（2）The screw set on boss, structure connection anchor plate（2）It is convex
Hollow power transmission screw rod on the outside of platform lengthens hex nut by tensioning（5）It is fixed.
A kind of reinforced 2. according to claim 1 with exempting from jack compressor wire stretching and anchoring device, it is characterised in that：
Tensioning lengthens hex nut（5）Anchor plate is connected with structure（2）Packing ring is provided between outside the boss end face（6）.
A kind of reinforced 3. according to claim 1 with exempting from jack compressor wire stretching and anchoring device, it is characterised in that：
Structure connects anchor plate（2）Plane in be provided with many places screw, pass through anchor bolt（3）It is fixed on and is reinforced coagulation
Soil structure（1）Bottom.
A kind of reinforced 4. according to claim 1 with exempting from jack compressor wire stretching and anchoring device, it is characterised in that：
Hollow power transmission screw rod is hollow power transmission screw rod flat to side milling（4）, corresponding connection anchor plate（2）The screw of boss is flat
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720056520.3U CN206487069U (en) | 2017-01-18 | 2017-01-18 | One kind is reinforced with exempting from jack compressor wire stretching and anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720056520.3U CN206487069U (en) | 2017-01-18 | 2017-01-18 | One kind is reinforced with exempting from jack compressor wire stretching and anchoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487069U true CN206487069U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720056520.3U Active CN206487069U (en) | 2017-01-18 | 2017-01-18 | One kind is reinforced with exempting from jack compressor wire stretching and anchoring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331239A (en) * | 2018-04-18 | 2018-07-27 | 福州大学 | Post-tensioned prestressing plate and application method |
| CN109026059A (en) * | 2018-07-25 | 2018-12-18 | 同济大学 | A kind of fixed end, pretightning force applying method and ring plate model |
| CN110593141A (en) * | 2019-09-21 | 2019-12-20 | 北京凯新浩达工程技术有限公司 | Bridge prestress reinforcing structure and reinforcing method |
| CN111350271A (en) * | 2020-03-10 | 2020-06-30 | 崔冰 | Concrete slab steel-concrete connection interface anti-cracking structure and preparation method thereof |
-
2017
- 2017-01-18 CN CN201720056520.3U patent/CN206487069U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331239A (en) * | 2018-04-18 | 2018-07-27 | 福州大学 | Post-tensioned prestressing plate and application method |
| CN109026059A (en) * | 2018-07-25 | 2018-12-18 | 同济大学 | A kind of fixed end, pretightning force applying method and ring plate model |
| CN110593141A (en) * | 2019-09-21 | 2019-12-20 | 北京凯新浩达工程技术有限公司 | Bridge prestress reinforcing structure and reinforcing method |
| CN111350271A (en) * | 2020-03-10 | 2020-06-30 | 崔冰 | Concrete slab steel-concrete connection interface anti-cracking structure and preparation method thereof |
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