CN111593653A - Prefabricated bridge stand positioner of assembling - Google Patents
Prefabricated bridge stand positioner of assembling Download PDFInfo
- Publication number
- CN111593653A CN111593653A CN202010557626.8A CN202010557626A CN111593653A CN 111593653 A CN111593653 A CN 111593653A CN 202010557626 A CN202010557626 A CN 202010557626A CN 111593653 A CN111593653 A CN 111593653A
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- corrugated pipe
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a prefabricated and assembled bridge stand column positioning device which comprises a connecting body and a plurality of positioning assemblies, wherein the positioning assemblies are respectively connected to two ends of the connecting body in the length direction, and the positioning assemblies positioned at the two ends of the connecting body are respectively connected with embedded corrugated pipes embedded in a bearing platform so as to limit the torsion or dislocation of corrugated pipe embedded parts during pouring. The position of the corrugated pipe embedded in the bearing platform is accurately controlled, so that the preformed steel bars of the prefabricated stand columns are ensured to be smoothly inserted into the corrugated pipe, the relative positions of two adjacent stand columns are accurate, and the problem of the precision of bridge prefabrication and assembly is solved; the positioning device is tightly matched with the corrugated pipe of the bearing platform, so that the vibration generated during concrete construction can not influence the distance between the two stand columns, and the relative positions of the two stand columns and the installation reliability of the upper cover beam are ensured.
Description
Technical Field
The invention relates to the field of highway bridge engineering, in particular to a prefabricated assembled bridge stand column positioning device.
Background
In the bridge constructed by adopting the prefabrication and assembly mode, most of the bridge adopts a construction method of prefabricating a stand column cover beam and casting a bearing platform in situ. In order to facilitate the connection and the positioning of the bearing platform and the upright column, a corrugated pipe embedded part is arranged in the bearing platform. The corrugated pipe embedded part comprises a plurality of corrugated pipes and a plurality of annular stiffening steel plates, a plurality of through holes are formed in the annular stiffening steel plates along the circumferential direction, the stiffening steel plates are parallel to each other, and the corrugated pipes are connected with the stiffening steel plates through the through holes to form the cylindrical corrugated pipe embedded part. And after the concrete pouring of the bearing platform is finished and the strength is reached, the stand column is installed, the main ribs of the stand column are inserted into the corrugated pipes and injected with grouting materials to be connected with the bearing platform, and after the stand column is installed, the corrugated pipe embedded parts on the bent caps are connected with the main ribs of the stand column.
Wherein, the bearing platform in the bridge is connected with the stand column and is the key point of the control of the prefabrication, assembly and construction precision. In particular the position of the bellows in the platform, determines the position of the uprights and the assembly of the capping beam. When the prefabricated upright post is round, the round upright post is isotropic, and the concrete column is more difficult to control in precision compared with a square upright post when steel bars are reserved at two ends of the upright post in a special construction method. The inaccurate positioning precision of the circular upright post has the following defects: on one hand, when the reserved steel bars are staggered or twisted during installation, when the bent cap is a bent cap with two or more upright posts, the bent cap cannot be installed; on the other hand, during the construction of the bearing platform, if the reserved steel corrugated pipe is not accurately positioned, the upright post and the upper cover beam thereof cannot be installed. The technical problem to be solved by the invention is to provide a prefabricated assembled bridge upright post positioning device, which can accurately position the position of an embedded corrugated pipe connected with an upright post to be positioned, thereby overcoming the defect of inaccurate positioning of the upright post.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art that a bent cap cannot be installed due to inaccurate positioning of a circular upright column, and provides a prefabricated and assembled bridge upright column positioning device.
The invention solves the technical problems through the following technical scheme:
the utility model provides a prefabricated bridge stand positioner of assembling which characterized in that, it is including connecting body and a plurality of locating component, and is a plurality of locating component connect respectively in the length direction's of connecting body both ends, be located the locating component at the both ends of connecting body is connected with the bellows built-in fitting of burying underground in the cushion cap respectively to the bellows built-in fitting twists reverse or misplaces when the restriction is pour.
The positions of the corrugated pipe embedded parts of the bearing platform are accurately controlled, so that the reserved steel bars of the prefabricated stand columns are ensured to be smoothly inserted into the corrugated pipes of the corrugated pipe embedded parts, the relative positions of two adjacent stand columns are accurate, and the problem of the precision of bridge prefabrication and assembly is solved; the positioning device is tightly matched with the corrugated pipe of the bearing platform, so that the vibration generated during concrete construction can not influence the distance between the two stand columns, and the relative positions of the two stand columns and the installation reliability of the upper cover beam are ensured.
Preferably, the positioning assembly comprises a positioning part, a positioning hole is formed in the positioning part, and the corrugated pipe in the corrugated pipe embedded part is inserted into the positioning hole.
In the scheme, the corrugated pipe embedded part is connected with the positioning assembly through the positioning hole in the positioning piece, and then a stable structure is formed to prevent the corrugated pipe embedded part from twisting or deviating. The adoption of the arrangement has the advantages of simple structure and easy disassembly and assembly.
Preferably, the positioning assembly further comprises a positioning pin, and the positioning pin is detachably inserted into an inner hole of the corrugated pipe.
In this scheme, through connecting the locating pin in the hole of bellows to the restriction setting element breaks away from in the bellows, and then improves the reliability that positioner and bellows built-in fitting are connected, simultaneously, can prevent when pouring that the thick liquid from flowing into and blockking up the hole of bellows in the hole of bellows, so that the owner muscle of stand can insert in the bellows smoothly.
Preferably, the positioning member includes:
the first positioning pieces are positioned at one end of the connecting body and distributed on two sides of the connecting body in the width direction, and the positions of the first positioning pieces on the connecting body are adjustable;
the second positioning pieces are located at the other end of the connecting body and distributed on two sides of the connecting body in the width direction, and the second positioning pieces are fixedly connected with the connecting body.
In the scheme, the two sides of one end of the connecting body are respectively provided with a first positioning piece so as to form a positioning datum line; and the position of the first positioning part on the connecting body is adjustable so as to adjust the distance between the first positioning part and the second positioning part, so that the corrugated pipe can be smoothly inserted into the positioning hole of the first positioning part, and meanwhile, the first positioning parts are arranged on the two sides of the connecting body, so that the first positioning part and the corrugated pipe form linear limitation, and the connection stability between the connecting body and the corrugated pipe is improved, and the well-positioned corrugated pipe embedded part is prevented from being twisted or dislocated.
Preferably, a plurality of connecting holes are arranged at intervals on two side faces of one end of the connecting body facing the first positioning piece, and the first positioning piece is connected to the connecting holes through bolts.
In this scheme, first locating piece passes through the bolt with the connection body and can dismantle the connection, has easy dismounting, advantage that firm in connection is reliable, is provided with a plurality of connecting holes in order to realize the adjustable of first locating piece for the position of connection body through the interval on the side of connection body, and then makes things convenient for being connected of first locating piece and bellows.
Preferably, the first positioning part and the second positioning part both comprise fixed angle steel and two reinforcing plates, the positioning hole is formed in the bottom plate of the fixed angle steel, and the reinforcing plates are connected to two ends of the fixed angle steel and used for reinforcing the strength of the fixed angle steel.
In this scheme, first setting element and second setting element adopt above-mentioned structural style, simple structure, advantage that intensity is high.
Preferably, the connection body includes first connecting piece and second connecting piece, two first connecting piece interval sets up, the setting element with first connecting piece is connected, respectively with two first connecting piece is connected two on the setting element distance between the locating hole, with two at the diameter both ends of bellows built-in fitting the distance between the bellows equals, and is a plurality of second connecting piece interval distribute in the length direction of first connecting piece, the both ends of second connecting piece are connected respectively in two relative sides of first connecting piece.
In the scheme, the length of the first connecting piece is determined according to the distance between the two stand columns to be detected; the distance between the two first connecting pieces is determined according to the distance between the main ribs at the two ends of the diameter of the two upright posts; the second connecting piece is used for connecting the two first connecting pieces on one hand and reinforcing the connecting strength between the first connecting pieces on the other hand.
Preferably, the prefabricated assembled bridge stand column positioning device further comprises a plurality of hoisting pieces, and the hoisting pieces are connected to the top surface of the connecting body.
In this scheme, set up hoist and mount piece for adopt lifting device to hoist and mount positioner when the location, and then alleviate intensity of labour, in this scheme, there are four hoist and mount pieces.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: according to the prefabricated assembled bridge upright post positioning device, the positioning assembly is used for positioning the corrugated pipe embedded parts, so that the upright posts and the cover beams can be accurately installed, the two positioned corrugated pipe embedded parts are connected through the positioning assembly connected with the connecting body, the connecting body and the two corrugated pipe embedded parts to be positioned form a stable structure, and the corrugated pipe embedded parts can be prevented from being twisted or dislocated when a bearing platform is poured. By adopting the structure, the corrugated pipe embedded part embedded in the bearing platform is positioned, so that the main rib of the stand column can be quickly inserted into the corrugated pipe of the corrugated pipe embedded part embedded in the bearing platform, the position of the main rib of the stand column can be quickly positioned, and the corrugated pipe in the upper cover beam can be quickly and accurately connected with the main rib in the stand column to improve the positioning precision of the stand column and the installation efficiency of the cover beam. The relative positions of two adjacent corrugated pipe embedded parts are fixed, so that the corrugated pipes in the corrugated pipe embedded parts in the bearing platform are accurately connected with the prefabricated stand column reserved steel bars, and the problem of the precision of bridge prefabrication and assembly is solved; the positioning device is tightly matched with the corrugated pipe of the bearing platform, so that the vibration generated during concrete construction can not influence the distance between the two stand columns, and the relative positions of the two stand columns and the installation reliability of the upper cover beam are ensured.
Drawings
Fig. 1 is a schematic structural diagram of a prefabricated assembled bridge column positioning device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a prefabricated assembled bridge column positioning device at a positioning hole according to a preferred embodiment of the invention.
Fig. 3 is a side view of a prefabricated assembled bridge column positioning device on one side of a first connecting member according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a positioning pin in the prefabricated assembled bridge column positioning device according to the preferred embodiment of the invention.
Description of reference numerals:
connecting body 10
First connecting member 101
Second connecting member 102
Reinforcing plate 202
Connecting bolt 204
Hoisting part 40
Positioning pin 50
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 4, this embodiment provides a prefabricated bridge column positioning device of assembling, it includes connecting body 10 and a plurality of locating component, a plurality of locating component connect respectively in connecting body 10's length direction's both ends, the locating component that is located connecting body 10's both ends is connected with the bellows built-in fitting of burying underground in the cushion cap respectively to the torsion or the dislocation of restriction bellows built-in fitting, and then be convenient for fix a position the stand, thereby make the main muscle of stand can insert in the bellows of bent cap convenient and fast.
The positioning assembly is used for positioning the pre-buried corrugated pipe embedded parts in the bearing platform, the two well-positioned corrugated pipe embedded parts are connected with the positioning assembly connected with the connecting body 10, so that the connecting body 10 and the two to-be-positioned corrugated pipe embedded parts form a stable structure, further the corrugated pipe embedded parts are prevented from being twisted or dislocated, and the corrugated pipe embedded parts are fixed in the bearing platform after pouring, therefore, after the position of the corrugated pipe embedded parts is determined, main ribs in the stand columns can be quickly and conveniently inserted into corrugated pipes of the corrugated pipe embedded parts in the bearing platform, namely, the position of the stand columns can be quickly determined, and further, the corrugated pipes in the cover beam are conveniently connected with the main ribs in the stand columns. By adopting the structure, when the two stand columns are positioned by the positioning corrugated pipe embedded parts, the relative position between the stand columns is not changed, so that the corrugated pipe on the upper bent cap can be quickly and accurately connected with the main ribs of the stand columns, and the positioning precision of the stand columns and the mounting efficiency of the bent cap are improved.
The corrugated pipe in the corrugated pipe embedded part of the bearing platform is ensured to be accurately connected with the reserved steel bars of the prefabricated stand columns by fixing the relative positions of the corrugated pipe embedded parts corresponding to the corresponding positions of the two adjacent stand columns, so that the problem of the precision of bridge prefabrication and assembly is solved; the positioning device is tightly matched with the corrugated pipe of the bearing platform, so that the vibration generated during concrete construction can not influence the distance between the two stand columns, and the relative positions of the two stand columns and the installation reliability of the upper cover beam are ensured.
The form of the connecting body 10 is not limited, and the connecting body 10 is mainly used to connect two columns to form a stable structure through the connecting body 10. The connecting body 10 includes a first connecting member 101 and a second connecting member 102, wherein the first connecting member 101 and the second connecting member 102 are both angle steels. Two first connecting pieces 101 set up at intervals, and a plurality of second connecting pieces 102 distribute in the length direction of first connecting piece 101 at intervals, and the both ends of second connecting piece 102 are connected respectively in two relative sides of two first connecting pieces 101. The first connector 101 and the second connector 102 are welded and fixed. The length of the first connecting piece 101 is determined according to the distance between two columns to be positioned; the distance between the two first connectors 101 is determined according to the distance between the main ribs at the two ends of the diameter of the two columns; the second connecting member 102 is used to connect the two first connecting members 101, on the one hand, and to reinforce the connection strength between the first connecting members 101, on the other hand.
In this embodiment, the positioning assembly includes a positioning member, the positioning member is provided with a positioning hole 203, and the corrugated pipe embedded in the bearing platform is inserted into the positioning hole 203. The connection between the bearing platform corrugated pipe embedded part and the positioning assembly is realized through the positioning hole 203 and the positioning pin on the positioning piece, and then a stable structure is formed to prevent the corrugated pipe embedded part from twisting or deviating. The adoption of the arrangement has the advantages of simple structure and easy disassembly and assembly.
Furthermore, the positioning assembly further comprises a positioning pin 50, and the positioning pin 50 is detachably sleeved on the end part of the corrugated pipe in the corrugated pipe embedded part to limit the positioning piece to be separated from the corrugated pipe. The positioning piece is limited by the positioning pin 50, so that the positioning piece is prevented from being separated from the corrugated pipe embedded piece, and the reliability of positioning the stand column is improved. Meanwhile, the positioning pin is also provided with an inner hole for preventing slurry from flowing into the corrugated pipe to block the corrugated pipe during pouring. In this embodiment, as shown in fig. 4, the top end of the positioning pin 50 is provided with a pull ring to facilitate the detachment.
The positioning piece comprises: a plurality of second positioning members 30 and a plurality of first positioning members 20. The second positioning members 30 are located at one end of the connecting body 10 and distributed at two sides of the connecting body 10 in the width direction, and the second positioning members 30 are fixedly connected to the connecting body 10; the first positioning member 20 is located at the other end of the connecting body 10 and distributed at two sides of the connecting body 10 in the width direction, and the position of the first positioning member 20 relative to the connecting body 10 is adjustable. Second positioning members 30 are respectively provided at both sides of one end of the connection body 10 to form a positioning reference line; and the position of first locating part 20 and connecting body is adjustable so that be connected of first locating part 20 and bellows, simultaneously, the both sides of connecting body 10 all set up first locating part 20 for first locating part 20 and stand form linear spacing, thereby improve the connection stability between connecting body 10 and the bellows built-in fitting and prevent that the well bellows built-in fitting of location from twisting or misplacing.
A plurality of connection holes 1011 are provided at intervals on both sides of one end of the connection body 10 facing the first positioning member 20, and the first positioning member 20 is connected to the connection holes 1011 by the connection bolts 204. In this embodiment, the connection hole 1011 is disposed on an outer side surface of the angle steel as the first connecting member 101, and the connection hole 1011 is located at an end of the first connecting member 101 away from the second positioning member 30. First locating piece 20 and connecting body 10 pass through the bolt can dismantle the connection, have easy dismounting, advantage that firm in connection is reliable, through be provided with a plurality of connecting holes 1011 with the adjustable of the position of realization first locating piece 20 for connecting body 10 on the side of connecting body 10 at the interval, and then make things convenient for first locating piece 20 fixed with being connected of bellows.
In this embodiment, two mutually perpendicular surfaces of the reinforcing plates in the second positioning member 30 and the first positioning member 20 are respectively welded to two right-angle surfaces of the angle steel. One outer side surface of the angle steel of the first positioning piece is welded with the side surface of the first connecting piece; the other side wall is provided with a positioning hole. A through hole is formed in one side wall of the angle steel of the second positioning member, and a bolt for connecting the first positioning member 20 and the first connecting member 101 penetrates through the through hole and the connecting hole 1011 on the first connecting member 101 to fix the first positioning member 20 and the first connecting member 101.
Bridge column positioner is assembled in prefabrication still includes a plurality of hoists, and hoist and mount 40 is connected on the top surface of connecting body 10. And the hoisting piece 40 is arranged and used for hoisting the positioning device by adopting hoisting equipment during positioning, so that the labor intensity is reduced.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. The utility model provides a bridge stand positioner is assembled in prefabrication, its characterized in that, it is including connecting body and a plurality of locating component, and is a plurality of locating component connect respectively in the length direction's of connecting body both ends are located the locating component at the both ends of connecting body is connected with the bellows built-in fitting of burying underground in the cushion cap respectively to the bellows built-in fitting twists reverse or dislocation when the restriction is pour.
2. The prefabricated assembled bridge stand column positioning device according to claim 1, wherein the positioning assembly comprises a positioning piece, a positioning hole is formed in the positioning piece, and a corrugated pipe in the corrugated pipe embedded part is inserted into the positioning hole.
3. The prefabricated assembled bridge stand column positioning device according to claim 2, wherein the positioning assembly further comprises a positioning pin, and the positioning pin is detachably inserted into an inner hole of the corrugated pipe.
4. The prefabricated assembled bridge stand column positioning device according to claim 2, wherein the positioning member comprises:
the first positioning pieces are positioned at one end of the connecting body and distributed on two sides of the connecting body in the width direction, and the positions of the first positioning pieces on the connecting body are adjustable;
the second positioning pieces are located at the other end of the connecting body and distributed on two sides of the connecting body in the width direction, and the second positioning pieces are fixedly connected with the connecting body.
5. The prefabricated assembled bridge stand column positioning device as claimed in claim 4, wherein a plurality of connecting holes are provided at intervals on both side surfaces of one end of the connecting body facing the first positioning member, and the first positioning member is connected to the connecting holes by bolts.
6. The prefabricated assembled bridge stand column positioning device according to claim 5, wherein each of the first positioning part and the second positioning part comprises a fixed angle steel and two reinforcing plates, the positioning holes are formed in a bottom plate of the fixed angle steel, and the two reinforcing plates are connected to two ends of the fixed angle steel and used for reinforcing the strength of the fixed angle steel.
7. The prefabricated assembled bridge stand column positioning device according to claim 2, wherein the connecting body comprises a first connecting piece and a second connecting piece, the two first connecting pieces are arranged at intervals, the positioning piece is connected with the first connecting piece, the distance between the positioning holes on the two positioning pieces connected with the two first connecting pieces is equal to the distance between the two corrugated pipes at the two ends of the diameter of the corrugated pipe embedded part, the second connecting pieces are distributed in the length direction of the first connecting pieces at intervals, and the two ends of each second connecting piece are connected to two opposite side faces of the first connecting pieces.
8. The prefabricated assembled bridge stand column positioning device according to any one of claims 1 to 7, further comprising a plurality of lifting pieces connected to the top surface of the connecting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010557626.8A CN111593653A (en) | 2020-06-18 | 2020-06-18 | Prefabricated bridge stand positioner of assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010557626.8A CN111593653A (en) | 2020-06-18 | 2020-06-18 | Prefabricated bridge stand positioner of assembling |
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| Publication Number | Publication Date |
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| CN111593653A true CN111593653A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010557626.8A Pending CN111593653A (en) | 2020-06-18 | 2020-06-18 | Prefabricated bridge stand positioner of assembling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108687A (en) * | 2021-11-08 | 2022-03-01 | 中国一冶集团有限公司 | Accurate embedding method of embedded part |
-
2020
- 2020-06-18 CN CN202010557626.8A patent/CN111593653A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108687A (en) * | 2021-11-08 | 2022-03-01 | 中国一冶集团有限公司 | Accurate embedding method of embedded part |
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