CN205704662U - A kind of prestressed concrete plate stake Integral tension device - Google Patents
A kind of prestressed concrete plate stake Integral tension device Download PDFInfo
- Publication number
- CN205704662U CN205704662U CN201620532835.6U CN201620532835U CN205704662U CN 205704662 U CN205704662 U CN 205704662U CN 201620532835 U CN201620532835 U CN 201620532835U CN 205704662 U CN205704662 U CN 205704662U
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- cylinder
- punching
- hollow
- little
- large cylinder
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Abstract
This utility model provides a kind of prestressed concrete plate stake Integral tension device, and described device includes a punching large cylinder, a little cylinder of punching, a hollow large cylinder and a hollow little cylinder；Described hollow large cylinder matches with described punching large cylinder, and hollow large cylinder is nested in punching large cylinder；Described hollow little cylinder cylinder little with described punching matches, and hollow little cylinder is nested in the little cylinder of punching；Described hollow little barrel bore is more bigger than a tensioning screw rod；Described hollow little cylinder back-off enter hollow large cylinder is assembled into described in put a device；Described punching large cylinder is correspondingly arranged at least one respectively by caudal upper side wall and lower wall and fills sand screw and at least one puts sand screw, and fills sand screw and put sand screw and be symmetrical arranged.This utility model achieves prestressed orderly Integral tension, reduces security risk, reduces labor intensity.
Description
Technical field
This utility model relates to equipment for building materiaIs technical field, during relating to pretensioning prestressed concrete structure manufacture
Prestressing force is put and is opened, and the prestressing force particularly relating to a kind of prestressed concrete plate stake puts a device.
Background technology
Pretensioning prestressed concrete sheet pile is that the most progressively in the building enclosures such as riverbank gear soil, the one of application is novel
Prestressed concrete member, general employing steel bar for prestressed concrete or steel strand wires for prestressed concrete are as prestress steel
Muscle, the effective compressive pre-stress of concrete is big；Manufacturing process, after deformed bar stretch-draw, the forms using center bolt more
Anchoring stretching force.After sheet pile concrete hardening reaches design strength, need stretching force is put and open concrete is produced pressure
Stress, owing to stretching force is big, it is difficult to realizing prestressed Integral tension by the center bolt that gets loose, many employings are by root traditionally
Cutting off the method for deformed bar to realize prestressed put, product can be produced certain by troublesome poeration and uneven putting
Harmful effect, the safety of operator also has certain risk, so being badly in need of a kind of prestressing force of exploitation to put a device.
The existing Zhang Fangfa of putting is difficult to prestressed Integral tension, and sheet pile is applied pre-by the putting by root of presstressed reinforcing steel
Stress is freestanding, and globality is poor, and concrete eccentric compression can be caused to ftracture；At present, the hydraulic pressure on market puts a machine operation
Inconvenience, cost is high, and does not mate the model of sheet pile height tension stress.
Prior art discloses " a kind of presstressed reinforcing steel two times tensioning with put an apparatus and method ", sees Publication No.:
CN105064695A, publication date is: the Chinese patent of 2015-11-18, a kind of presstressed reinforcing steel two times tensioning of this disclosure of the invention with
Putting an apparatus and method, device is by nut, hollow stud, circular steel backing plate, steel cylinder, steel annulus, single ended bolt, two times tensioning
Pedestal forms.Having technical effect that of this invention, after presstressed reinforcing steel passes this device, at the built-in fine sand of steel cylinder, then enters
The stretch-draw anchor of row presstressed reinforcing steel.When needs carry out mending stretch-draw, utilize jack and two times tensioning pedestal, by rotating regulation spiral shell
Female anchoring prestress loss to reduce presstressed reinforcing steel.When needs are put, realize in advance should by turning on single ended bolt and unloading sand
Power muscle is put and is opened.This device is simple to operate, cost is low, high safety, and using effect is good.Open although this invention also can realize putting, but
It is to realize putting of entirety, and the structure of this device and present patent application also differs.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of prestressed concrete plate stake Integral tension device,
Solving pretensioning prestressed concrete sheet pile and be difficult to Integral tension, be forced to take puts an operation lack of standardization by root is asymmetric
A difficult problem.
This utility model is achieved in that a kind of prestressed concrete plate stake Integral tension device, and described device includes
One punching large cylinder, a little cylinder of punching, a hollow large cylinder and a hollow little cylinder；Described hollow large cylinder and institute
State punching large cylinder to match, and hollow large cylinder is nested in punching large cylinder, the axis of described hollow large cylinder
Overlap with the axis of punching large cylinder；Described hollow little cylinder cylinder little with described punching matches, and hollow little
Cylinder is nested in the little cylinder of punching, and the axis of the axis cylinder little with punching of described hollow little cylinder overlaps；
Described hollow little barrel bore is more bigger than a tensioning screw rod；Described hollow little cylinder back-off enter hollow large cylinder is assembled into described
Put a device；Described punching large cylinder is correspondingly arranged at least one respectively by caudal upper side wall and lower wall and fills sand spiral shell
Hole and at least one put sand screw, and fill sand screw and put sand screw and be symmetrical arranged.
Further, described filling sand screw is provided with screw in putting sand screw.
Further, the external diameter big 1～2mm of the internal diameter cylinder less than punching of described punching large cylinder；Described hollow
The internal diameter of large cylinder is than the external diameter big 1～2mm of hollow little cylinder.
The utility model has the advantage of: this utility model solves pretensioning prestressed concrete sheet pile to be difficult to entirety and put
, be forced to take puts a difficult problem for operation lack of standardization by root is asymmetric, it is achieved that prestressed orderly Integral tension, to sheet pile
Quality play certain promotion；Particularly minimizing security risk, reduction labor intensity there is positive effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this utility model side schematic view.
Fig. 3 is the structural representation after construction of the present utility model.
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 3, a kind of prestressed concrete plate stake Integral tension device of the present utility model, described
Device includes punching large cylinder 1, the little cylinder of punching 2, hollow large cylinder 3 and a hollow little cylinder 4；Described sky
Heart large cylinder 3 matches with described punching large cylinder 1, and hollow large cylinder 3 is nested in punching large cylinder 1, described sky
The axis of heart large cylinder 3 overlaps with the axis of punching large cylinder 1；Described hollow little cylinder 4 is little with described punching
Cylinder 2 matches, and hollow little cylinder 4 is nested in the little cylinder of punching 2, the axis of described hollow little cylinder 4 and punching
The axis of the little cylinder of formula 2 overlaps；Described hollow little cylinder 4 internal diameter is more bigger than a tensioning screw rod 5；Described hollow little cylinder 4
Back-off enter hollow large cylinder 3 is assembled into described in put a device；Described punching large cylinder 1 is by caudal upper side wall and downside
Wall is correspondingly arranged at least one filling sand screw 11 respectively and at least one puts sand screw 12, and fills sand screw 11 and put sand screw
12 are symmetrical arranged.Described filling sand screw 11 is provided with screw (not shown) in putting sand screw 12；Pour into filling sand screw 11
Dry medium coarse sand closes screw with screw after being filled with barrel chamber.
In this utility model, the external diameter big 1～2mm of the internal diameter cylinder less than punching 2 of described punching large cylinder 1；
The internal diameter of described hollow large cylinder 3 is than the external diameter big 1～2mm of hollow little cylinder 4.The most described hollow little cylinder 4 back-off enters sky
After in heart large cylinder 3, all can be formed between punching large cylinder and the little cylinder of punching, hollow large cylinder 3 and hollow little cylinder 4
Barrel chamber.
Form of construction work of the present utility model: hollow little cylinder 4 is pulled away from hollow large cylinder 3 bottom certain distance,
Filling sand screw 11 pours into close with screw (not shown) after dry medium coarse sand 6 is filled with barrel chamber and fills sand screw 11；When producing sheet pile,
A device will be put be arranged on sheet pile mould 9, before prestressed stretch-draw, the device of putting being filled with sand be packed into a tensioning screw rod
5；It is locked in by stretch-draw anchor nut 7 and puts outside a device；Stretch-draw jack 8 withstands on Integral tension device；Apply tensile load,
Stretching deformed bar while a device inner chamber sand is put in compression, load to be tensioned reaches design load and holds lotus 2min and put a device
Inner chamber sand body amasss steady pressure and will not lock stretch-draw anchor nut 7 after declining and putting a device end face, and off-load completes prestressed
Stretch-draw；Sheet pile maintenance reaches after the demoulding puts Zhang Qiangdu, is turned on screw and carries out releasing sand by the sand screw 12 of putting putting a device bottom
Son, allow hollow little cylinder 4 under the pressure of presstressed reinforcing steel gradually in the hollow large cylinder of indentation 3 thus to realize tension stress overall
Slowly release, can get loose after pressure release stretch-draw anchor nut 7 easily, thus completes mould unloading.
In a word, this utility model solves pretensioning prestressed concrete sheet pile and is difficult to Integral tension, be forced to take by
Root is asymmetric puts a difficult problem for operation lack of standardization, it is achieved that prestressed orderly Integral tension, plays the quality of sheet pile necessarily
Promotion；Particularly minimizing security risk, reduction labor intensity there is positive effect.
Although the foregoing describing detailed description of the invention of the present utility model, but those familiar with the art should
Working as understanding, our described specific embodiment is merely exemplary rather than for the limit to scope of the present utility model
Fixed, those of ordinary skill in the art, in the equivalent modification made according to spirit of the present utility model and change, should
Contain in scope of the claimed protection of the present utility model.
Claims (3)
1. a prestressed concrete plate stake Integral tension device, it is characterised in that: described device include a punching large cylinder,
The one little cylinder of punching, a hollow large cylinder and a hollow little cylinder；Described hollow large cylinder and described punching large cylinder
Match, and hollow large cylinder is nested in punching large cylinder, the axis of described hollow large cylinder and punching large cylinder
Axis overlap；Described hollow little cylinder cylinder little with described punching matches, and hollow little cylinder is nested in punching
In the little cylinder of formula, the axis of the axis cylinder little with punching of described hollow little cylinder overlaps；Described hollow little cylinder
Internal diameter is more bigger than a tensioning screw rod；Described hollow little cylinder back-off enter hollow large cylinder is assembled into described in put a device；Described
Punching large cylinder by caudal upper side wall and lower wall be correspondingly arranged on respectively at least one fill sand screw and at least one
Put sand screw, and fill sand screw and put sand screw and be symmetrical arranged.
A kind of prestressed concrete plate stake Integral tension device the most according to claim 1, it is characterised in that: described filling sand
Screw is provided with screw in putting sand screw.
A kind of prestressed concrete plate stake Integral tension device the most according to claim 1, it is characterised in that: described punching
The external diameter big 1～2mm of the internal diameter cylinder less than punching of formula large cylinder；The internal diameter of described hollow large cylinder is than hollow little cylinder
External diameter big 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532835.6U CN205704662U (en) | 2016-06-02 | 2016-06-02 | A kind of prestressed concrete plate stake Integral tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532835.6U CN205704662U (en) | 2016-06-02 | 2016-06-02 | A kind of prestressed concrete plate stake Integral tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205704662U true CN205704662U (en) | 2016-11-23 |
Family
ID=57300824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532835.6U Withdrawn - After Issue CN205704662U (en) | 2016-06-02 | 2016-06-02 | A kind of prestressed concrete plate stake Integral tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205704662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881737A (en) * | 2016-06-02 | 2016-08-24 | 福建省大地管桩有限公司 | Device and method for integrally releasing and stretching pre-stressed concrete sheet pile |
-
2016
- 2016-06-02 CN CN201620532835.6U patent/CN205704662U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881737A (en) * | 2016-06-02 | 2016-08-24 | 福建省大地管桩有限公司 | Device and method for integrally releasing and stretching pre-stressed concrete sheet pile |
| CN105881737B (en) * | 2016-06-02 | 2018-04-27 | 福建省大地管桩有限公司 | A kind of prestressed concrete plate stake Integral tension device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180427 |
|
| AV01 | Patent right actively abandoned |