CN210262722U - Accurate positioning device for preformed hole of suspender of steel pipe arch bridge - Google Patents
Accurate positioning device for preformed hole of suspender of steel pipe arch bridge Download PDFInfo
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- CN210262722U CN210262722U CN201920251084.4U CN201920251084U CN210262722U CN 210262722 U CN210262722 U CN 210262722U CN 201920251084 U CN201920251084 U CN 201920251084U CN 210262722 U CN210262722 U CN 210262722U
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Abstract
The utility model discloses a steel pipe arch bridge jib preformed hole accurate positioning device relates to bridge engineering positioner technical field. The steel pipe arch bridge suspender preformed hole accurate positioning device comprises a steel wire rope sequentially penetrating through an upper preformed through hole and a lower preformed through hole, wherein the upper preformed through hole is positioned on a steel pipe arch, the lower preformed through hole is positioned on a beam surface, two ends of the steel wire rope are respectively arranged on central shafts of the upper preformed through hole and the lower preformed through hole, the steel wire rope penetrates out of the lower preformed through hole and is connected with a tensioning part, and the tensioning part enables the steel wire rope to keep a tensioning state. The utility model discloses can encircle the position of reserving the thru hole at the steel pipe and rectify the pre-buried pipe counterpoint in-process of roof beam face, improve installation accuracy and installation effectiveness.
Description
Technical Field
The utility model relates to a bridge engineering positioner technical field especially relates to a steel pipe arched bridge jib preformed hole accurate positioning device.
Background
The bridge structure comprises a steel pipe arch and a beam surface which are connected through a suspender. When the hanger rod is installed, the steel pipe arch and the beam surface are moved firstly, and through holes for the hanger rod to penetrate through are reserved on the steel pipe arch and the beam surface.
Before the hanger rod is installed, the steel pipe arch and the beam surface need to be fixed in advance, and then laser penetrates through the two corresponding through holes to check whether the positions of the two through holes are correct. If the positions of the two through holes are deviated, the steel pipe or the beam surface needs to be moved continuously for adjustment.
The prior art adopts laser alignment or total station to accurately measure, the technology is more suitable for straight-line steel pipe arch bridges without any longitudinal slope, the straight-line steel pipe arch bridges are located in curved sections and have positive arch inclination in most cases, the measurement difficulty is high by adopting laser alignment or total station, and the precision is not guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a steel pipe arched bridge jib preformed hole accurate positioning device, can encircle the position that the perforated hole was reserved in the correction of buried pipe and the pre-buried pipe of beam surface counterpoint in-process at the steel pipe, improve installation accuracy and installation effectiveness.
In order to solve the technical problem, the utility model provides a steel pipe arched bridge jib preformed hole accurate positioning device, including steel pipe arch, roof beam face and pass in proper order and reserve the thru hole and reserve the wire rope in the thru hole down, the steel pipe arch is located the top of roof beam face, it is located to reserve the thru hole on the steel pipe arch, it is located to reserve the thru hole down on the roof beam face, the wire rope both ends are located respectively on reserve the thru hole with on reserving the center pin of thru hole down, wire rope follows it wears out and connects the tensioning part to reserve the thru hole down, the tensioning part makes wire rope keeps the tensioning state.
The utility model discloses the technical scheme who further injects is: the steel wire rope is arranged between the steel pipe arch and the beam surface, and when the relative position between the steel pipe arch and the beam surface is adjusted, the steel wire rope is clamped between the steel pipe arch preformed hole upper end clamp and the beam surface preformed pipe lower end clamp.
The utility model discloses further set up to, the tensioning part includes the tensioning cylinder, the output of tensioning cylinder is connected wire rope.
The utility model discloses further set up to, the output of tensioning cylinder is equipped with the elastic component, the elastic component is connected wire rope.
Another object of the present invention is to provide a method for positioning a steel pipe arch and a beam surface by using the above-mentioned precise positioning device,
and sequentially penetrating a steel wire rope through the upper reserved through hole and the lower reserved through hole, respectively fixing the steel wire rope at the upper end of the steel pipe arch and the lower end of the beam surface, respectively measuring the deviation between the lower opening of the upper reserved through hole and the upper opening of the lower reserved through hole, and adjusting the position of the steel pipe arch according to the deviation until the requirement is met.
The utility model has the advantages that:
(1) the spatial position deviation of the upper reserved through hole and the lower reserved through hole is avoided, the rigid suspender deviates during installation, and finally the suspender is stressed unevenly after being tensioned to influence the durability of the suspender.
(2) And synchronously operating and synchronously measuring when the steel pipe arch is installed.
(3) Convenient operation, high positioning precision and visual appearance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. a clamp at the upper end of a preformed hole of the steel pipe arch; 2. a wire rope; 3. a beam surface reserved pipe lower end fixture; 4. A steel pipe arch; 41. a through hole is reserved on the upper part; 5. a beam surface; 51. a through hole is reserved at the lower part; 6. a tension section; 61. and a tensioning cylinder.
Detailed Description
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
the steel pipe arch bridge suspender preformed hole accurate positioning device provided by the embodiment has the structure as shown in the figure.
This steel pipe encircles 4 bridge crane pole preformed hole accurate positioning device, including steel pipe arch 4, roof beam face 5 and pass in proper order and reserve the wire rope 2 in thru hole 41 and the lower preformed through hole 51, steel pipe arch 4 is located the top of roof beam face 5, it is located on steel pipe arch 4 to reserve thru hole 41 on, it is located roof beam face 5 to reserve thru hole 51 down, wire rope 2 both ends are located respectively and are reserved on the center pin of thru hole 41 and the lower preformed through hole 51 on, wire rope 2 is worn out and is connected tensioning portion 6 from reserving thru hole 51 down, tensioning portion 6 makes wire rope 2 keep the tensioning state.
The top end of the upper reserved through hole 41 is provided with a steel pipe arch reserved hole upper end fixture 1 used for fixing a steel wire rope 2, the bottom of the lower reserved through hole 51 is provided with a beam surface reserved pipe lower end fixture 3, the beam surface reserved pipe lower end fixture 3 is provided with a positioning ring 31 for the steel wire rope 2 to pass through, when the relative position between the steel pipe arch 4 and the beam surface 5 is adjusted, the length of the steel wire rope 2 between the steel pipe arch reserved hole upper end fixture 1 and the beam surface reserved pipe lower end fixture 3 changes along with the change, and the tensioning state is kept under the pulling of the tensioning portion 6.
The tensioning part 6 comprises a tensioning cylinder 61, and the output end of the tensioning cylinder 61 is connected with the steel wire rope 2. The output end of the tensioning cylinder 61 is provided with an elastic part which is connected with the steel wire rope 2.
Example 2:
a method for positioning a steel pipe arch and a beam surface by applying the accurate positioning device of any scheme,
and sequentially penetrating a steel wire rope 2 through the upper reserved through hole 41 and the lower reserved through hole 51, respectively fixing the steel wire rope at the upper end of the steel pipe arch 4 and the lower end of the beam surface 5, respectively measuring the deviation between the lower opening of the upper reserved through hole 41 and the upper opening of the lower reserved through hole 51, and accordingly adjusting the position of the steel pipe arch 4 until the requirement is met.
The utility model discloses reserve thru hole 41 and reserve thru hole 51 spatial position deviation down on avoiding, off normal when causing the installation of rigidity jib finally leads to jib stretch-draw back atress uneven, influences jib durability. The steel pipe arches 4 are synchronously operated and synchronously measured during installation. Convenient operation, high positioning precision and visual appearance.
In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (4)
1. The utility model provides a steel pipe arch bridge jib preformed hole accurate positioning device which characterized in that: the steel pipe arch tensioning device comprises a steel pipe arch (4), a beam surface (5) and a steel wire rope (2) sequentially penetrating through an upper reserved through hole (41) and a lower reserved through hole (51), wherein the steel pipe arch (4) is located above the beam surface (5), the upper reserved through hole (41) is located on the steel pipe arch (4), the lower reserved through hole (51) is located on the beam surface (5), two ends of the steel wire rope (2) are respectively arranged on central shafts of the upper reserved through hole (41) and the lower reserved through hole (51), the steel wire rope (2) penetrates out of the lower reserved through hole (51) and is connected with a tensioning part (6), and the tensioning part (6) enables the steel wire rope (2) to be kept in a tensioning state.
2. The device for accurately positioning the preformed hole of the steel tube arch bridge suspender according to claim 1, wherein: the steel pipe arch pre-reserved pipe clamping device is characterized in that a steel pipe arch pre-reserved hole upper end clamping device (1) used for fixing the steel wire rope (2) is arranged at the top end of the upper pre-reserved through hole (41), a beam surface pre-reserved pipe lower end clamping device (3) is arranged at the bottom of the lower pre-reserved through hole (51), a positioning ring (31) for the steel wire rope (2) to penetrate through is arranged on the beam surface pre-reserved pipe lower end clamping device (3), when the relative position between the steel pipe arch (4) and the beam surface (5) is adjusted, the length of the steel wire rope (2) between the steel pipe arch pre-reserved hole upper end clamping device (1) and the beam surface pre-reserved pipe lower end clamping device (3) changes along with the length.
3. The device for accurately positioning the preformed hole of the steel tube arch bridge suspender according to the claim 1 or 2, is characterized in that: the tensioning part (6) comprises a tensioning cylinder (61), and the output end of the tensioning cylinder (61) is connected with the steel wire rope (2).
4. The device for accurately positioning the preformed hole of the steel tube arch bridge suspender according to claim 3, wherein: the output end of the tensioning cylinder (61) is provided with an elastic piece, and the elastic piece is connected with the steel wire rope (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251084.4U CN210262722U (en) | 2019-02-28 | 2019-02-28 | Accurate positioning device for preformed hole of suspender of steel pipe arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251084.4U CN210262722U (en) | 2019-02-28 | 2019-02-28 | Accurate positioning device for preformed hole of suspender of steel pipe arch bridge |
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| Publication Number | Publication Date |
|---|---|
| CN210262722U true CN210262722U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920251084.4U Active CN210262722U (en) | 2019-02-28 | 2019-02-28 | Accurate positioning device for preformed hole of suspender of steel pipe arch bridge |
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| CN (1) | CN210262722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706845A (en) * | 2019-02-28 | 2019-05-03 | 中铁二十一局集团第五工程有限公司 | Steel pipe arch bridge sunpender preformed hole accurate positioning device |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
-
2019
- 2019-02-28 CN CN201920251084.4U patent/CN210262722U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706845A (en) * | 2019-02-28 | 2019-05-03 | 中铁二十一局集团第五工程有限公司 | Steel pipe arch bridge sunpender preformed hole accurate positioning device |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
| CN114250715B (en) * | 2022-02-15 | 2024-04-26 | 中铁二局集团有限公司 | Positioning method and positioning device for space special-shaped steel arch bridge inhaul cable |
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