CN207958999U - A kind of Pier Formwork encircles step-less adjustment chest expander in advance - Google Patents
A kind of Pier Formwork encircles step-less adjustment chest expander in advance Download PDFInfo
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- CN207958999U CN207958999U CN201721920014.0U CN201721920014U CN207958999U CN 207958999 U CN207958999 U CN 207958999U CN 201721920014 U CN201721920014 U CN 201721920014U CN 207958999 U CN207958999 U CN 207958999U
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- steel
- cofferdam
- pier formwork
- steel cofferdam
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Abstract
The utility model discloses a kind of Pier Formworks to encircle step-less adjustment chest expander and application method in advance, it is related to bridge building operations field, the chest expander includes more steel cofferdams and pulling force adjusting part identical with the steel cofferdam quantity, and the steel cofferdam joins end to end for surrounding Pier Formwork；Pulling force adjusting part identical with the steel cofferdam quantity, a pulling force adjusting part is equipped on every steel cofferdam, the pulling force adjusting part includes 2 steel columns for being vertical at the steel cofferdam outer surface, and it is set in distance between 2 steel columns, and length-adjustable pull rod is connected between 2 steel columns, steel pulling plate is connected between every steel column and the steel cofferdam.The utility model can realize the camber step-less adjustment to Pier Formwork.
Description
Technical field
The utility model is related to bridge building operations fields, and in particular to a kind of Pier Formwork encircles step-less adjustment pulling force in advance
Device.
Background technology
At present in pier stud work progress, for pouring for pier stud, mainly carried out using Pier Formwork, in order to ensure pier stud
Plane effect, one is the processing modes taken between template and template with pull rod to drawing, and one is attached on steel cofferdam
Add truss, improves the rigidity of steel cofferdam.
Hole can be left on pier stud when being connected using pull rod to drawing, and also needs trepanning in template, and pull rod also needs when installing
Pay attention to leak stopping, be also easy to produce concrete appearance defect, while to avoid pier stud main body reinforcing bar；Using when steel truss cofferdam due to add
Large steel moulding plate stiffness by itself, so truss structure is complex, and the dead weight of steel form increases larger, installation more inconvenience, and
Steel cofferdam and truss are replaced when pier stud changes of section is larger, truss recycling rate of waterused is low, and due to that can only pass through increase mould
The rigidity of plate itself resists concrete lateral pressure, the ability for causing template not have camber adjusting, and applicability is low.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Pier Formwork encircle in advance it is stepless
Chest expander is adjusted, can realize the camber step-less adjustment to Pier Formwork.
To achieve the above objectives, the technical scheme adopted by the utility model is that, including：
More steel cofferdams, the steel cofferdam join end to end for surrounding Pier Formwork；
Pulling force adjusting part identical with the steel cofferdam quantity is equipped with a pulling force adjusting group on every steel cofferdam
Part, the pulling force adjusting part include 2 steel columns for being vertical at the steel cofferdam outer surface, and between being between 2 steel columns
Every setting, and it is connected with length-adjustable pull rod between 2 steel columns, steel drawing is connected between every steel column and the steel cofferdam
Plate.
Based on the above technical solution, the both ends of the steel cofferdam offer connection pin hole, and the attachment pegs
It is equipped with screw rod in hole, is connected by screw rod between adjacent two steel cofferdam.
Based on the above technical solution, one end of the screw rod is arranged in a steel cofferdam tail portion in adjacent steel cofferdam
Connection pin hole, the other end connects the connection pin hole of another steel cofferdam stem.
Based on the above technical solution, the steel cofferdam is 4, and 4 steel cofferdams surround to form a quadrangle, and every
Root steel cofferdam is used to be correspondingly arranged at the side of the Pier Formwork.
Based on the above technical solution, one end of the steel pulling plate connects steel column, and the other end connects the steel and encloses
Close to one end of the steel column on weir.
Based on the above technical solution, the both ends of the pull rod are equipped with the slotware in U-typed, the opening of the slotware
Towards the steel column, and the slotware is connected with steel column, and the both ends of the pull rod are arranged in the slotware, and the drawing
The both ends of bar are equipped with intermediate plate anchorage, and the intermediate plate anchorage is located in the slotware.
Based on the above technical solution, the slotware opening is equipped with attachment pegs, is connected with and wears in the attachment pegs
The thread of the steel column is crossed, the thread passes through the part of steel column to be equipped with nut.
Compared with prior art, the utility model has the advantage of：Entire chest expander is simple in structure, convenient can be set to pier stud
The outside of template does not change the original structure of Pier Formwork, keeps the integrality for pouring pier stud, and easy for assemble or unload, can weigh
Multiple to use, strong applicability effectively offsets Pier Formwork because what lateral pressure generated heaves deformation, and by between two steel columns of adjusting
Tightening amount, you can realize the camber step-less adjustment to Pier Formwork.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of Pier Formwork of the utility model encircles step-less adjustment chest expander in advance；
Fig. 2 is the structural schematic diagram of pull rod.
In figure：1- Pier Formworks, 2- steel cofferdams, 3- steel columns, 4- pull rods, 5- steel pulling plates, 6- screw rods, 7- slotwares, 8- folders
Piece anchorage, 9- attachment pegs, 10- threads, 11- nuts.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Shown in Figure 1, a kind of Pier Formwork of the utility model offer encircles step-less adjustment chest expander in advance, for pier stud mould
Plate 1 carries out camber adjusting.The chest expander of the utility model includes more steel cofferdams 2 and identical with 2 quantity of the steel cofferdam
Pulling force adjusting part.
Steel cofferdam 2 joins end to end for surrounding Pier Formwork 1, and pouring for pier stud, pier stud are carried out in Pier Formwork 1
Template 1 is generally quadrilateral structure, therefore steel cofferdam 2 is 4 one group, and 4 steel cofferdams 2 surround to form a quadrangle, and every steel
Cofferdam 2 is used to be correspondingly arranged at the back side of Pier Formwork 1, and the both ends of steel cofferdam 2 offer connection pin hole, and the connection pin hole
In be equipped with screw rod 6, be connected by screw rod 6 between adjacent two steel cofferdam 2, specifically, one end of screw rod 6 is arranged in adjacent steel cofferdam
The connection pin hole of 2 tail portion of steel cofferdam in 2, the other end connect the connection pin hole of another 2 stem of steel cofferdam.
A pulling force adjusting part is equipped on every steel cofferdam 2, pulling force adjusting part is vertical at steel cofferdam 2 including 2
The steel column 3 of outer surface, and be set in distance between 2 steel columns 3, and it is connected with length-adjustable pull rod 4 between 2 steel columns 3,
It is connected with steel pulling plate 5 between every steel column 3 and steel cofferdam 2.The both ends of pull rod 4 are equipped with the slotware 7 in U-typed, and slotware 7 is opened
Mouth is towards steel column 3, and slotware 7 is connected with steel column 3, and the both ends of pull rod 4 are arranged in slotware 7, and the both ends of pull rod 4 are equipped with
Intermediate plate anchorage 8, intermediate plate anchorage 8 are located in slotware 7, and 7 opening of slotware is equipped with attachment pegs 9, is connected with across steel in attachment pegs 9
The thread 10 of column 3, thread 10 pass through the part of steel column 3 to be equipped with nut 11.By rotating thread 10
On nut 11, adjust the length of two 3 pull rods 4 of steel column, 4 tensioning of pull rod, two steel column 3 makes steel column 3 generate corner position
It moving, displacement is conducted to steel cofferdam 2, and steel cofferdam 2 supports Pier Formwork 1, to achieve the purpose that 1 camber of Pier Formwork is arranged, gram
Take effect of the coagulation earth lateral pressure to Pier Formwork 1.One end of steel pulling plate 5 connects steel column 3, and the other end connects the steel and encloses
Close to one end of the steel column 3 on weir 2,2 form right angle triangle of steel pulling plate 5, steel column 3 and steel cofferdam is vertical to transmit steel
The angular displacement of column 3.And distance of the pull rod 4 between two steel columns 3 can be flexibly arranged as needed.
By Pier Formwork 1 when pouring pier stud, coagulation earth lateral pressure acts on Pier Formwork 1, can make Pier Formwork 1
Deformation is heaved in generation, and the utility model is conducted by steel column 3 to steel cofferdam 2 by tensioning pull rod 4, the stretching force of pull rod 4,
To offset Pier Formwork 1 because what lateral pressure generated heaves deformation, realizes and the camber of Pier Formwork 1 is adjusted, and pass through tune
The length for saving two 3 pull rods 4 of steel column generates different pulling force, realizes the step-less adjustment to 1 camber of Pier Formwork.It utilizes
The part that steel cofferdam 2 on Pier Formwork 1 is adjusted as 1 camber of Pier Formwork, and the difference of Pier Formwork 1 can be directed to
The pull rod 4 of different number is flexibly arranged in position between two steel columns 3, to adjust the camber of different parts Pier Formwork 1.Entirely
Chest expander is simple in structure, convenient can not change the original structure of Pier Formwork 1 set on the outside of Pier Formwork 1, holding pours pier
The integrality of column, and easy for assemble or unload, reusable, strong applicability effectively offset what Pier Formwork 1 was generated by lateral pressure
Deformation is heaved, and by adjusting the tightening amount between two steel columns 3, realizes and the camber of Pier Formwork 1 is adjusted.
The utility model also provides a kind of Pier Formwork and encircles step-less adjustment chest expander application method in advance, including：
S1：When pier stud pours, head and the tail connect steel cofferdam 2 and surround Pier Formwork 1；
S2：A pulling force adjusting part is respectively mounted on every steel cofferdam 2；
S3：The thread 10 on two steel columns 3 in each pulling force adjusting part is adjusted, is tightened between two steel columns 3, it is real
Now the camber of Pier Formwork 1 is adjusted.
The utility model is not limited to the above embodiment, for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this reality
Within novel protection domain.The content not being described in detail in this specification belongs to well known to professional and technical personnel in the field
The prior art.
Claims (7)
1. a kind of Pier Formwork encircles step-less adjustment chest expander in advance, for carrying out camber adjusting to Pier Formwork (1), feature exists
In, including：
More steel cofferdams (2), the steel cofferdam (2) join end to end for surrounding Pier Formwork (1)；
Pulling force adjusting part identical with the steel cofferdam (2) quantity is equipped with a pulling force on every steel cofferdam (2) and adjusts
Component, the pulling force adjusting part includes 2 steel columns (3) for being vertical at the steel cofferdam (2) outer surface, and 2 steel are vertical
Column is set in distance between (3), and length-adjustable pull rod (4) is connected between 2 steel columns (3), every steel column (3) with it is described
Steel pulling plate (5) is connected between steel cofferdam (2).
2. a kind of Pier Formwork as described in claim 1 encircles step-less adjustment chest expander in advance, it is characterised in that：The steel cofferdam
(2) both ends offer connection pin hole, and screw rod (6) is equipped in the connection pin hole, pass through between adjacent two steel cofferdam (2)
Screw rod (6) is connected.
3. a kind of Pier Formwork as claimed in claim 2 encircles step-less adjustment chest expander in advance, it is characterised in that：The screw rod (6)
One end be arranged in the connection pin hole of steel cofferdam (2) tail portion in adjacent steel cofferdam (2), the other end connects another steel cofferdam
(2) the connection pin hole of stem.
4. a kind of Pier Formwork as described in claim 1 encircles step-less adjustment chest expander in advance, it is characterised in that：The steel cofferdam
(2) it is 4,4 steel cofferdams (2) surround to form a quadrangle, and every steel cofferdam (2) is for being correspondingly arranged at the Pier Formwork
(1) on side.
5. a kind of Pier Formwork as described in claim 1 encircles step-less adjustment chest expander in advance, it is characterised in that：The steel pulling plate
(5) one end connection steel column (3), the other end connect one end close to the steel column (3) on the steel cofferdam (2).
6. a kind of Pier Formwork as described in claim 1 encircles step-less adjustment chest expander in advance, it is characterised in that：The pull rod (4)
Both ends be equipped with the slotware (7) in U-typed, the opening of the slotware (7) towards the steel column (3), and the slotware (7) with
Steel column (3) is connected, and the both ends of the pull rod (4) are arranged in the slotware (7), and the both ends of the pull rod (4) are equipped with
Intermediate plate anchorage (8), the intermediate plate anchorage (8) are located in the slotware (7).
7. a kind of Pier Formwork as claimed in claim 6 encircles step-less adjustment chest expander in advance, it is characterised in that：The slotware (7)
Opening is equipped with attachment pegs (9), and the thread (10) across the steel column (3) is connected on the attachment pegs (9), described
Thread (10) passes through the part of steel column (3) to be equipped with nut (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920014.0U CN207958999U (en) | 2017-12-29 | 2017-12-29 | A kind of Pier Formwork encircles step-less adjustment chest expander in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920014.0U CN207958999U (en) | 2017-12-29 | 2017-12-29 | A kind of Pier Formwork encircles step-less adjustment chest expander in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207958999U true CN207958999U (en) | 2018-10-12 |
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ID=63731300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920014.0U Active CN207958999U (en) | 2017-12-29 | 2017-12-29 | A kind of Pier Formwork encircles step-less adjustment chest expander in advance |
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| CN (1) | CN207958999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004937A (en) * | 2017-12-29 | 2018-05-08 | 中铁大桥局第七工程有限公司 | A kind of Pier Formwork encircles step-less adjustment chest expander and application method in advance |
-
2017
- 2017-12-29 CN CN201721920014.0U patent/CN207958999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004937A (en) * | 2017-12-29 | 2018-05-08 | 中铁大桥局第七工程有限公司 | A kind of Pier Formwork encircles step-less adjustment chest expander and application method in advance |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190402 Address after: 430050 Bridge Industrial Park, Headquarters District, Wuhan Economic and Technological Development Zone, Hubei Province Patentee after: The 7th Engineering Co., Ltd., MBEC Address before: 430056 Bridge Industrial Park, Headquarters District, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Co-patentee before: Group Co., Ltd., Zhongtie Daqiao Bureau Patentee before: The 7th Engineering Co., Ltd., MBEC |