CN202219535U - Tubular pile prestress tension tool - Google Patents
Tubular pile prestress tension tool Download PDFInfo
- Publication number
- CN202219535U CN202219535U CN2011203260178U CN201120326017U CN202219535U CN 202219535 U CN202219535 U CN 202219535U CN 2011203260178 U CN2011203260178 U CN 2011203260178U CN 201120326017 U CN201120326017 U CN 201120326017U CN 202219535 U CN202219535 U CN 202219535U
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- CN
- China
- Prior art keywords
- stretch
- draw
- tension
- plate
- connector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a tubular pile prestress tension tool which comprises a tension mechanism and a fixing plate, wherein the tension mechanism is connected with one end of a mold, and the other end of the mold is connected with the fixing plate; the tension mechanism comprises a locking nut, a support plate, a tension disc, a tension connecting piece, a tension plate and a tension screw rod, wherein the tension plate is used for connecting an end plate of a concrete tubular pile, one end of the tension screw rod is connected with a connector of the tension mechanism, and the other end of the tension screw rod penetrates through the support plate to be in threaded connection with the tension disc; the tension disc is connected with the tension plate through the tension connecting piece; the locking nut is arranged on the tension screw rod at the outer side of the support plate; the tension connecting piece is a tension clamp ring with four radial protruding columns; and dismounting holes are arranged on the radial protruding columns. The tension connecting piece of the tension tool does not fall off easily, and the verticality of the end face of a tubular pile product is good.
Description
Technical field
The utility model relates to a kind of shaping jig of construction material, more precisely relates to a kind of tubular pile pre-stress stretch-draw instrument.
Background technology
In building foundation engineering, centrifugal concrete pipe pile is generally used.Concrete tubular pile applies prestressing force before concrete is unhardened in national building standard design atlas (10G307) lining, and this is pre-tensioning system, so be called pretensioned prestressed concrete pipe pile (code name PHC).The prestressed stretch-draw of concrete tubular pile is one crucial operation, is positioned as special process, and the quality of stretch-draw instrument directly has influence on the cracking resistance and the pipe pile end portion quality of pile tube.
The tubular pile pre-stress stretch-draw instrument of prior art uses with the pile tube mould; Described mould comprises upper die and lower die; Fasten each other between the described upper die and lower die; The mould inside that upper and lower mould constitutes also is provided with inner membrance, and described stretch-draw instrument comprises stretch-draw mechanism that is connected with an end of mould and the stretch-draw plate that is connected with the other end of mould, and described stretch-draw mechanism comprises stretch-draw screw mandrel, locking nut, gripper shoe, stretch-draw dish, stretch-draw connector, stretch-draw plate; Described stretch-draw screw mandrel passes the gripper shoe centre bore and is connected with the stretch-draw dish; The stretch-draw dish connects the stretch-draw plate through the stretch-draw connector, and the stretch-draw plate is connected with the pipe of concrete pile end plate, described stretch-draw screw mandrel, gripper shoe, stretch-draw dish and stretch-draw plate coaxial line.The shortcoming that the tubular pile pre-stress stretch-draw instrument of prior art exists is: the stretch-draw connector of prior art is an annular sheet jump ring; Described sheet jump ring is divided into upper and lower two, and following sheet is placed in the counterdie, uses during last slice matched moulds; Described sheet jump ring outer shroud can not be stuck in mould inner wall; So under the centrifugal action of centrifuge, come off easily in the pile tube forming process, make simultaneously and have only the stretch-draw dish to contact with mould inner wall in stretch-draw dish, stretch-draw connector, the stretch-draw plate that contact area is little with the stretch-draw plate; Easy shaking in the stretching process causes pile tube product end surface perpendicularity bad.
The utility model content
The utility model technical problem to be solved provides stretch-draw connector difficult drop-off and the good a kind of tubular pile pre-stress stretch-draw instrument of pile tube product end surface perpendicularity.
The technical scheme of the utility model provides a kind of tubular pile pre-stress stretch-draw instrument with following structure; Comprise stretch-draw mechanism that is connected with mould one end and the fixed head that is connected with the mould other end; The stretch-draw plate that described stretch-draw mechanism comprises locking nut, gripper shoe, stretch-draw dish, stretch-draw connector, be used for being connected with the pipe of concrete pile end plate and an end are used for the stretch-draw screw mandrel that is connected with the connector of stretch-draw machine; The other end of described stretch-draw screw mandrel passes gripper shoe and is connected with stretch-draw valve snail line; Described stretch-draw dish is connected with the stretch-draw plate through the stretch-draw connector; Described locking nut is arranged on the stretch-draw screw mandrel in the gripper shoe outside, and described stretch-draw connector is to have four radially stretch-draw snap rings of projection, and described radially projection is provided with the dismounting hole.
After adopting above structure, a kind of tubular pile pre-stress stretch-draw instrument of the utility model compared with prior art has the following advantages:
The stretch-draw connector of a kind of tubular pile pre-stress stretch-draw instrument of the utility model is to have four radially stretch-draw snap rings of projection; Four of described stretch-draw snap ring radially the projection support make stretch-draw snap ring difficult drop-off under the centrifugal action of centrifuge at mould inner wall; And described stretch-draw dish, stretch-draw snap ring and stretch-draw plate all contact with mould inner wall, have increased contact area, are not easy to rock and do not produce off-centre in the stretching process, and pile tube product end surface perpendicularity is good; Described dismounting hole makes takes out the stretch-draw snap ring easily in disassembly process.
Description of drawings
Shown in Figure 1 is the structural representation of a kind of tubular pile pre-stress stretch-draw instrument of the utility model.
Shown in Figure 2 is enlarged diagram among Fig. 1.
Shown in Figure 3 is the structural representation of stretch-draw snap ring among Fig. 1.
Shown in Figure 4 is A-A view among Fig. 3.
Shown in the figure: 1, stretch-draw screw mandrel, 2, locking nut, 3, gripper shoe, 4, the stretch-draw dish, 5, the stretch-draw snap ring, 6, the stretch-draw plate, 7, fixed head.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; In this specific embodiment, a kind of tubular pile pre-stress stretch-draw instrument of the utility model comprises stretch-draw mechanism that is connected with mould one end and the fixed head 7 that is fixedly connected with the mould other end; Described stretch-draw mechanism comprises stretch-draw screw mandrel 1, locking nut 2, gripper shoe 3, stretch-draw dish 4, stretch-draw connector, stretch-draw plate 6; Described stretch-draw screw mandrel 1 one ends are connected with the connector of stretch-draw machine, and the other end of described stretch-draw screw mandrel 1 passes gripper shoe 3 and is connected with stretch-draw dish 4, and described stretch-draw dish 4 is connected with stretch-draw plate 6 through the stretch-draw connector; Described stretch-draw plate 6 is connected with the pipe of concrete pile end plate; Described locking nut 2 is arranged on the stretch-draw screw mandrel 1 in gripper shoe 3 outsides, and described stretch-draw connector is to have four radially stretch-draw snap rings 5 of projection, four of described stretch-draw snap ring 5 radially projection 5.1 supports at mould inner wall; Make stretch-draw snap ring 5 difficult drop-off in stretching process; And described stretch-draw dish 4, stretch-draw snap ring 5 all contact with mould inner wall with stretch-draw plate 6, have increased contact area, and described gripper shoe 3, stretch-draw dish 4, stretch-draw snap ring 5, stretch-draw plate 6 mutual coaxial lines and coincide with stretch-draw screw mandrel 1 axis; Be not easy to rock and do not produce off-centre in the stretching process, pile tube product end surface perpendicularity is good.
In when assembling, as shown in Figure 1, described stretch-draw screw mandrel 1, locking nut 2, gripper shoe 3, stretch-draw dish 4, stretch-draw snap ring 5 are formed the stretch-draw mechanism that is connected with mould one end with stretch-draw plate 6, the other end connection fixed head 7 of mould.Stretch-draw screw mandrel 1, gripper shoe 3, stretch-draw dish 4 are to be fixed on counterdie in addition, follow counterdie and move, and exempt from carrying.Stretch-draw screw mandrel 1 passes gripper shoe 3 and links to each other with stretch-draw dish 4, and stretch-draw snap ring 5 blocks stretch-draw dish 4 and stretch-draw plate 6, and the latter half of stretch-draw snap ring 5 is placed on follows counterdie and move in the counterdie, and the first half of described stretch-draw snap ring 5 is used in matched moulds.Described stretch-draw plate 6 relies on screw to link to each other with pile end board with fixed head 7; Described gripper shoe 3, stretch-draw dish 4, stretch-draw snap ring 5, stretch-draw plate 6 mutual coaxial lines also coincide with stretch-draw screw mandrel 1 axis; The central axis of described stretch-draw instrument and the central axes of mould; Be prior art, no longer launch to set forth here.
Before the stretch-draw, the connector of stretch-draw machine being connected with stretch-draw screw mandrel 1, is heavy frame with the gripper shoe on the mould 3.After the stretch-draw machine started, stretching force constantly increased, and the stretch-draw instrument drives deformed bar and constantly extends; When the elongation of stretching force and reinforcing bar reaches predetermined the requirement, the locking nut on the stretch-draw screw mandrel 12 is screwed, loosen tensioner; Compressive pre-stress just is based upon on the gripper shoe 3 with the mould one; When pile tube after the maintenance sclerosis and the demoulding, compressive pre-stress just is delivered on the pile tube, just accomplishes the process of prestress.
The jack panel 2 that uncages during form removal with wind big gun dismounting matched moulds screw, is opened patrix, takes out the first half of stretch-draw snap ring 5, and the pile tube that will have stretch-draw plate 6 and a fixed head 7 with sucker then hangs out, and outside mould, dismantles stretch-draw plate 6 and fixed head 7.
Claims (1)
1. tubular pile pre-stress stretch-draw instrument; Comprise stretch-draw mechanism that is connected with mould one end and the fixed head (7) that is connected with the mould other end; The stretch-draw plate (6) that described stretch-draw mechanism comprises locking nut (2), gripper shoe (3), stretch-draw dish (4), stretch-draw connector, be used for being connected with the pipe of concrete pile end plate and an end are used for the stretch-draw screw mandrel (1) that is connected with the connector of stretch-draw machine; The other end of described stretch-draw screw mandrel (1) passes gripper shoe (3) and is threaded with stretch-draw dish (4); Described stretch-draw dish (4) is connected with stretch-draw plate (6) through the stretch-draw connector; Described locking nut (2) is arranged on the stretch-draw screw mandrel (1) in gripper shoe (3) outside; It is characterized in that: described stretch-draw connector is for to have four radially stretch-draw snap rings (5) of projection (5.1), and described radially projection (5.1) is provided with dismounting hole (5.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203260178U CN202219535U (en) | 2011-09-01 | 2011-09-01 | Tubular pile prestress tension tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203260178U CN202219535U (en) | 2011-09-01 | 2011-09-01 | Tubular pile prestress tension tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202219535U true CN202219535U (en) | 2012-05-16 |
Family
ID=46041572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203260178U Expired - Fee Related CN202219535U (en) | 2011-09-01 | 2011-09-01 | Tubular pile prestress tension tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202219535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689359A (en) * | 2012-06-07 | 2012-09-26 | 江苏中技桩业有限公司 | Tensioning disassembly-free head board on square pile die |
| CN102689360A (en) * | 2012-06-07 | 2012-09-26 | 江苏中技桩业有限公司 | Tensioning disassembly-free tail board on square pile die |
-
2011
- 2011-09-01 CN CN2011203260178U patent/CN202219535U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689359A (en) * | 2012-06-07 | 2012-09-26 | 江苏中技桩业有限公司 | Tensioning disassembly-free head board on square pile die |
| CN102689360A (en) * | 2012-06-07 | 2012-09-26 | 江苏中技桩业有限公司 | Tensioning disassembly-free tail board on square pile die |
| CN102689360B (en) * | 2012-06-07 | 2014-08-20 | 江苏中技桩业有限公司 | Tensioning disassembly-free tail board on square pile die |
| CN102689359B (en) * | 2012-06-07 | 2014-08-20 | 江苏中技桩业有限公司 | Tensioning disassembly-free head board on square pile die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGCHUN GAOKE PILE INDUSTRY CO., LTD. Free format text: FORMER OWNER: ZHEJIANG ZHONGCHUN NEW MATERIAL CO., LTD. Effective date: 20131012 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315101 NINGBO, ZHEJIANG PROVINCE TO: 315145 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131012 Address after: 315145 Zhejiang Ningbo Yinzhou District Binhai Pioneering Center sailing South Road Patentee after: Zhongchun Gaoke Pile Industry Co., Ltd. Address before: 315101 Zhejiang city of Ningbo province Yinzhou District Qiuai Sheng Mo Road No. 42 Patentee before: Zhejiang Zhongchun New Material Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20170901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |