CN207700070U - Tie-rod arch bridge abutment embedded parts positioning device - Google Patents
Tie-rod arch bridge abutment embedded parts positioning device Download PDFInfo
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- CN207700070U CN207700070U CN201721861596.XU CN201721861596U CN207700070U CN 207700070 U CN207700070 U CN 207700070U CN 201721861596 U CN201721861596 U CN 201721861596U CN 207700070 U CN207700070 U CN 207700070U
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- cross bar
- small rack
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Abstract
A kind of tie-rod arch bridge abutment embedded parts positioning device.It includes big holder, small rack, card slot, vertically positions upright bar, longitudinal cross bar, shelves beam and connecting rod；Tie-rod arch bridge abutment embedded parts positioning device provided by the utility model has the advantages that：(1) significant effect is repeatedly measured without survey crew in hoisting process, is positioned by mark line using after this positioning device, withouts waiting for the feedback of measurement data, substantially reduces the lifting time.(2) securely and reliably, it drops down onto card slot and shelves the activity space for limiting pre-buried arch rib after beam, improve safety coefficient.(3) in later stage casting concrete, convenient for discovering whether to be subjected to displacement, it can adjust in time, ensure that construction quality.
Description
Technical field
The utility model belongs to bowstring arch bridge technical field of construction equipment, pre-buried more particularly to a kind of tie-rod arch bridge abutment
Part positioning device.
Background technology
Bowstring arch bridge is as a member in arch bridge family, the general features with arch bridge, and has the exclusive feature of itself.It
It is a kind of bridge type for the advantages of integrating arch and beam, it combines arch with two kinds of basic structure forms of beam, holds jointly
By load, gives full play to beam and born, made with pull rod by the structural behaviour and compound action, the horizontal thrust of arch abutment that curved, arch is pressurized
Arch abutment bearing does not generate horizontal thrust.In bowstring arch bridge building course, the installation of pre-buried arch rib is arch springing construction at arch springing
A crucial step, construction quality relationship are installed to entire pre-buried arch rib, or even the entirely quality and safety of main bridge construction.Previous
It is first to set up holder when carrying out arch springing construction, lifts 3 measurement control points of each setting of lower port, and profit on it before arch springing
The pre- unwrapping wire of arch springing is carried out with total powerstation, control point data is repeatedly measured by survey crew in hoisting process, then according to survey
The mode of amount data feedback is positioned by crane itself control direction, position, it is clear that the measurement needed for this localization method
Personnel are more, and the lifting time is long.
Invention content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of positioning of tie-rod arch bridge abutment built-in fitting to fill
It sets.
In order to achieve the above object, tie-rod arch bridge abutment embedded parts positioning device provided by the utility model includes big branch
Frame, card slot, vertically positions upright bar, longitudinal cross bar, shelves beam and connecting rod small rack；Wherein small rack and big holder distinguish position
It is the character "door" form structure being made of two upright bars and cross bar, upright bar bottom end is fixed at the 1/5 of arch springing embedded section and at 4/5
On binder bed die, cross bar is arranged at the corresponding elevations of pre-buried rib structure bottom 10cm；The two end surfaces difference of every cross bar
Equipped with a vertical positioning upright bar, for preventing pre-buried arch rib left and right displacement；There are one " U " for the surface middle part installation of every cross bar
Shape card slot, for determining pre-buried arch rib absolute altitude；One end of two longitudinal cross bars is connected to the cross bar both ends of small rack, another
It holds to away from the direction of big holder and extends；The both ends for shelving beam are connected on two longitudinal cross bars and are located at pre-buried arch rib bottom
It holds at absolute altitude；More connecting rods are connected between big holder and the upright bar of small rack, and stable structural system is consequently formed.
The big holder, small rack vertically position upright bar, longitudinal cross bar and shelve beam and be all made of I-steel；Connecting rod
Using channel steel.
The tie-rod arch bridge abutment embedded parts positioning device further include be connected on big holder between two upright bars, small rack
Between upper two upright bars, and the bearing diagonal between vertical positioning upright bar and big holder or small rack cross tube.
Tie-rod arch bridge abutment embedded parts positioning device provided by the utility model has the advantages that：
(1) significant effect repeatedly measures in hoisting process without survey crew using after this positioning device, passes through label
Line is positioned, and the feedback of measurement data is withouted waiting for, and substantially reduces the lifting time.
(2) securely and reliably, it drops down onto card slot and shelves the activity space for limiting pre-buried arch rib after beam, improve safe system
Number.
(3) in later stage casting concrete, it convenient for discovering whether to be subjected to displacement, can adjust in time, ensure that construction matter
Amount.
Description of the drawings
Fig. 1 is tie-rod arch bridge abutment embedded parts positioning device side view provided by the utility model.
Fig. 2 is tie-rod arch bridge abutment embedded parts positioning device use state front view provided by the utility model.
Fig. 3 is tie-rod arch bridge abutment embedded parts positioning device vertical view provided by the utility model.
Fig. 4 is tie-rod arch bridge abutment embedded parts positioning device stereogram provided by the utility model.
Specific implementation mode
In the following with reference to the drawings and specific embodiments to tie-rod arch bridge abutment embedded parts positioning device provided by the utility model
It is described in detail.
As shown in Fig. 1-Fig. 4, tie-rod arch bridge abutment embedded parts positioning device provided by the utility model include big holder 1,
Small rack 2, vertical positioning upright bar 4, longitudinal cross bar 5, shelves beam 6 and connecting rod 7 at card slot 3；Wherein small rack 2 and big holder 1 divides
Not Wei Yu arch springing embedded section 1/5 at 4/5 at, be the character "door" form structure being made of two upright bars and cross bar, upright bar bottom end
It is fixed on binder bed die, cross bar is arranged at the corresponding elevations of pre-buried rib structure bottom 10cm；Two end surfaces of every cross bar
It is respectively equipped with a vertical positioning upright bar 4, for preventing pre-buried arch rib left and right displacement；The surface middle part of every cross bar is equipped with one
A " u "-shaped card slot 3, for determining pre-buried arch rib absolute altitude；One end of two longitudinal cross bars 6 is connected to the cross bar of small rack 2
Both ends, the other end extend to away from the direction of big holder 1；The both ends for shelving beam 6 are connected on two longitudinal cross bars 6 and position
At the absolute altitude of pre-buried arch rib bottom end；More connecting rods 7 are connected between big holder 1 and the upright bar of small rack 2, and stabilization is consequently formed
Structural system.
It the big holder 1, small rack 2, vertical positioning upright bar 4, longitudinal cross bar 5 and shelves beam 6 and is all made of I-steel；Even
Extension bar 7 uses channel steel.
The tie-rod arch bridge abutment embedded parts positioning device further include be connected on big holder 1 between two upright bars, ramuscule
On frame 2 between two upright bars, and the bearing diagonal between 2 cross tube of vertical positioning upright bar 4 and big holder 1 or small rack.
Tie-rod arch bridge abutment embedded parts positioning device provided by the utility model is now arranged and is installed on it pre-buried arch
The method of rib is described below：
(1) the plan-position point of four upright bars on big holder 1, small rack 2 is released by survey crew, installation personnel according to
Blanking is carried out according to the data that survey crew provides；
(2) by corresponding position in the corresponding elevation setting-outs to upright bar of pre-buried rib structure bottom 10cm, installation personnel is at this
Position carries out the welding of cross bar；
(3) vertical positioning upright bar 4 in pre-buried arch rib axis centre and the setting-out to cross bar of left and right sideline, will be then carried out to weld
It connects, the camber line size of card slot 3 is determined according to the radius of pre-buried arch rib and absolute altitude later and card slot 3 is mounted in the middle part of cross bar：
(4) the bottom end absolute altitude and plan-position coordinate for calculating pre-buried arch rib carry out setting-out using total powerstation, are then arranged
Longitudinal cross bar 5 and shelve beam 6；
(5) it is done respectively at the contact point of beam 6 in pre-buried arch rib and big holder 1,2 upper pright stanchion of small rack, card slot 3 and shelving
Go out mark line, to determine the point in pre-buried arch rib embedded section；
(6) pre-buried arch rib 8 is hung to big holder 1,2 top of small rack with crane, then slowly falls, drops down onto and shelve beam 6
And in the card slot 3 on cross bar, then steel wire rope one end being fixed on to the bottom end of pre-buried arch rib 8, the other end is fixed on chain block
On, it is connected on suspension hook by chain block, accurate adjustment, positioning is carried out by chain block, thus complete the installation of pre-buried arch rib 8
Process.
Claims (3)
1. a kind of tie-rod arch bridge abutment embedded parts positioning device, it is characterised in that：The tie-rod arch bridge abutment built-in fitting positioning
Device includes big holder (1), small rack (2), card slot (3), vertically positions upright bar (4), longitudinal cross bar (5), shelves beam (6) and connect
Extension bar (7)；Wherein small rack (2) and big holder (1) be located at the 1/5 of arch springing embedded section with 4/5 at, be vertical by two
The character "door" form structure that bar and cross bar are constituted, upright bar bottom end are fixed on binder bed die, and cross bar is arranged in pre-buried rib structure bottom
At the corresponding elevations of 10cm；Two end surfaces of every cross bar are respectively equipped with a vertical positioning upright bar (4), for preventing pre-buried arch
Rib left and right displacement；There are one " u "-shaped card slots (3) for the surface middle part installation of every cross bar, for determining pre-buried arch rib absolute altitude；Two
One end of longitudinal cross bar (5) is connected to the cross bar both ends of small rack (2), and the other end prolongs to away from the direction of big holder (1)
It stretches；The both ends for shelving beam (6) are connected on two longitudinal cross bars (5) and at the absolute altitude of pre-buried arch rib bottom end；More companies
Extension bar (7) is connected between big holder (1) and the upright bar of small rack (2), and stable structural system is consequently formed.
2. a kind of tie-rod arch bridge abutment embedded parts positioning device according to claim 1, it is characterised in that：The big branch
Frame (1), vertically positioning upright bar (4), longitudinal cross bar (5) and shelves beam (6) and is all made of I-steel small rack (2)；Connecting rod (7)
Using channel steel.
3. a kind of tie-rod arch bridge abutment embedded parts positioning device according to claim 1, it is characterised in that：The tie-rod
Arch bridge arch springing embedded parts positioning device further includes between being connected to upper two upright bars of big holder (1), upper two upright bars of small rack (2)
Between, and the vertically bearing diagonal between positioning upright bar (4) and big holder (1) or small rack (2) cross tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721861596.XU CN207700070U (en) | 2017-12-27 | 2017-12-27 | Tie-rod arch bridge abutment embedded parts positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721861596.XU CN207700070U (en) | 2017-12-27 | 2017-12-27 | Tie-rod arch bridge abutment embedded parts positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207700070U true CN207700070U (en) | 2018-08-07 |
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ID=63029115
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721861596.XU Active CN207700070U (en) | 2017-12-27 | 2017-12-27 | Tie-rod arch bridge abutment embedded parts positioning device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130226A (en) * | 2019-05-08 | 2019-08-16 | 中铁六局集团有限公司 | The construction method of the positioning of bowstring arch bridge rib-hoisting and absolute altitude control |
| CN110593082A (en) * | 2019-09-25 | 2019-12-20 | 中国五冶集团有限公司 | Structure for pre-embedding installation of tied arch bridge steel structure arch foot |
| CN111622125A (en) * | 2020-06-10 | 2020-09-04 | 中铁二局第二工程有限公司 | Method for mounting through-type inverted triangular comb-shaped steel pipe arch rib |
| CN111778832A (en) * | 2020-07-27 | 2020-10-16 | 中交路桥建设有限公司 | Steel pipe support shared by bridge deck system and arch rib of steel structure arch bridge |
-
2017
- 2017-12-27 CN CN201721861596.XU patent/CN207700070U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130226A (en) * | 2019-05-08 | 2019-08-16 | 中铁六局集团有限公司 | The construction method of the positioning of bowstring arch bridge rib-hoisting and absolute altitude control |
| CN110593082A (en) * | 2019-09-25 | 2019-12-20 | 中国五冶集团有限公司 | Structure for pre-embedding installation of tied arch bridge steel structure arch foot |
| CN111622125A (en) * | 2020-06-10 | 2020-09-04 | 中铁二局第二工程有限公司 | Method for mounting through-type inverted triangular comb-shaped steel pipe arch rib |
| CN111778832A (en) * | 2020-07-27 | 2020-10-16 | 中交路桥建设有限公司 | Steel pipe support shared by bridge deck system and arch rib of steel structure arch bridge |
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