CN218233172U - Positioning device is assembled with steel case roof beam to bridge - Google Patents
Positioning device is assembled with steel case roof beam to bridge Download PDFInfo
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- CN218233172U CN218233172U CN202222675527.7U CN202222675527U CN218233172U CN 218233172 U CN218233172 U CN 218233172U CN 202222675527 U CN202222675527 U CN 202222675527U CN 218233172 U CN218233172 U CN 218233172U
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- bridge
- box girder
- steel box
- positioning
- mounting frame
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Abstract
The utility model relates to a bridge technical field, concretely relates to positioner is assembled with steel case roof beam to bridge. Including first steel box girder for bridge and second steel box girder for bridge, both sides are equipped with mounting bracket one around the first steel box girder for bridge, are equipped with keyhole one on mounting bracket one and the first steel box girder for bridge, the utility model discloses when using, hoist with second steel box girder for bridge from ground through the loop wheel machine, open the rotation of motor drive threaded rod, the slider is driven to the nut and slides, and a part roll-off spout one of slider one, the position of readjustment second steel box girder for bridge makes in the slider two that mounting bracket three was last slides in the spout on the slider one, makes the both sides of second steel box girder for bridge all keep at corresponding position and height through slider two and spout two and first steel box girder for bridge to guaranteed in follow-up concatenation location and welding process, the both sides of second steel box girder for bridge can not take place to rock, improved the accuracy of second steel box girder for bridge and first steel box girder for bridge concatenation location.
Description
Technical Field
The utility model relates to a bridge technical field, concretely relates to positioner is assembled with steel case roof beam to bridge.
Background
The steel box girder is called a steel box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a larger span, and is called a steel box girder because the steel box girder is like a box, when the steel box girder is hoisted, the steel box girder to be installed and the installed steel box girder need to be accurately aligned in advance, the steel box girder and the installed steel box girder can be connected into a whole by welding after the accurate alignment, in order to ensure the welding quality, the steel box girder to be installed and the installed steel box girder can not generate relative displacement during welding, namely the end surfaces of the steel box girder and the installed steel box girder need to be aligned, the height direction needs to be parallel and level, and the dislocation can not occur, a common positioning device is that after the accurate alignment, the steel box girder to be installed and the installed steel box girder are positioned by welding horse boards, high-difference positioning boards and jacks, because the horse boards and the high-difference positioning boards are more in number, the construction cost is increased, when the horse boards and the high-difference positioning boards are disassembled, more welding feet are left, and the long-distance welding feet are difficult to be used under the long-time rainwater, the positioning force generated by the jacks, and the jack is difficult to be used, and the working force is difficult to be controlled.
Chinese patent discloses a positioner is assembled to steel box girder for bridge (No. CN 210306438U), this patent technique can accomplish the concatenation location again after fixed through the inner chamber of fixture block and supporting seat, however, do not set up the relevant mechanism that advances line location to the side of steel box girder when the concatenation of steel box girder for the bridge among this patent technique, this probably leads to in the concatenation process of steel box girder for the bridge, the steel box girder appears rocking and leads to the condition that the deviation appears in the concatenation location to influence subsequent steel box girder welding work for the bridge. Therefore, the technical personnel in the field provide a device for assembling and positioning the steel box girder for the bridge, so as to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a positioning device is assembled to steel box girder for bridge, including first steel box girder for bridge and second steel box girder for bridge, first mounting bracket is arranged on both sides around first steel box girder for bridge, first bolt hole is arranged on first mounting bracket and first steel box girder for bridge, first positioning bolt is arranged in first bolt hole, second mounting bracket is arranged on outer wall on both sides around first steel box girder for bridge, second bolt hole is arranged on first mounting bracket and first steel box girder for bridge, second positioning bolt is arranged in second bolt hole, first motor is fixedly installed on first mounting bracket, first threaded rod is arranged on first motor, output end of first motor is connected with first threaded rod, one end of first threaded rod far away from first motor is provided with first nut, first slider is fixedly installed on front end of first nut, first chute is arranged on second mounting bracket;
and a third mounting frame is arranged on the side wall of the second steel box girder for the bridge, a third bolt hole is formed in the third mounting frame and the second steel box girder for the bridge, a third positioning bolt is arranged in the third bolt hole, a second sliding block is fixedly mounted on the third mounting frame, and a second sliding groove is formed in the first sliding block.
Preferably, the following components: the first mounting frame is fixedly connected with the first steel box girder for the bridge through a first positioning bolt, and the second mounting frame is fixedly connected with the first steel box girder for the bridge through a second positioning bolt.
Preferably: the first screw cap is matched with the first threaded rod, and the first sliding block is matched with the first sliding groove.
Preferably: and a second motor is fixedly mounted on the upper surface of the first steel box girder for the bridge, and the output end of the second motor is connected with a second threaded rod.
Preferably: one end of the second threaded rod, far away from the second motor, is provided with a second screw cap, the second screw cap is matched with the second threaded rod, the right end of the second screw cap is provided with two positioning blocks, the cross section of each positioning block is trapezoidal, and a spring rod is fixedly mounted between the two positioning blocks.
Preferably: and the mounting frame III is fixedly connected with the bridge steel box girder II through the positioning bolt III.
Preferably: and the surface of one end of the second sliding block, which is far away from the third mounting frame, is smooth, and the second sliding block is matched with the second sliding groove.
Preferably, the following components: and a positioning box is fixedly arranged on the upper surface of the second steel box beam for the bridge, and a positioning hole is formed in the positioning box.
The utility model discloses a technological effect and advantage:
the utility model discloses when using, hoist second steel box girder for the bridge from ground through the loop wheel machine, it rotates to open first drive threaded rod of motor, the nut drives the slip of slider one, a part roll-off spout one of slider one, readjust the position of second steel box girder for the bridge and make two sliders on the mounting bracket three slide in the spout two on the slider one, the both sides that make second steel box girder for the bridge pass through slider two and spout two and the second steel box girder for the bridge keep at corresponding position and height, and second steel box girder for the bridge follows slider two and removes in spout two, stability when greatly having improved the removal, thereby in follow-up concatenation location and welding process, the both sides of second steel box girder for the bridge can not take place to rock, the accuracy of the location of splicing of second steel box girder for the bridge and first steel box girder for the bridge has been improved.
Drawings
Fig. 1 is an appearance structure schematic diagram of a positioning device for assembling a steel box girder for a bridge according to an embodiment of the application;
fig. 2 is a schematic structural diagram of a first steel box girder for a bridge in the device for assembling and positioning the first steel box girder for the bridge provided by the embodiment of the application;
fig. 3 is a schematic structural view of a second steel box girder for a bridge in the device for assembling and positioning the second steel box girder for a bridge provided by the embodiment of the application;
FIG. 4 is a schematic structural diagram of a positioning block in the device for assembling and positioning the steel box girder for a bridge provided by the embodiment of the application;
fig. 5 is a schematic structural diagram of an application of the device for assembling and positioning a steel box girder for a bridge according to the embodiment of the present application;
fig. 6 is a schematic structural view of a position a in fig. 2 in the device for assembling and positioning a steel box girder for a bridge according to the embodiment of the present application;
in the figure:
1. a first steel box girder for a bridge; 2. a first mounting frame; 3. a bolt hole I; 4. positioning a first bolt; 5. a second mounting frame; 6. a bolt hole II; 7. a second positioning bolt; 8. a first motor; 9. a first threaded rod; 10. a first nut; 11. a first sliding block; 12. a first sliding chute; 13. a second motor; 14. a second threaded rod; 15. a second screw cap; 16. positioning a block; 17. a spring lever; 18. a second steel box girder for the bridge; 19. mounting frame III; 20. a bolt hole III; 21. positioning a bolt III; 22. a second sliding block; 23. a second chute; 24. a positioning box; 25. and (7) positioning the holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 6, in the present embodiment, a positioning device for assembling a steel box girder for a bridge is provided, which includes a first steel box girder 1 for a bridge and a second steel box girder 18 for a bridge, wherein first mounting frames 2 are provided on front and rear sides of the first steel box girder 1 for a bridge, first bolt holes 3 are provided on the first mounting frames 2 and the first steel box girder 1 for a bridge, first positioning bolts 4 are provided in the first bolt holes 3, the first mounting frames 2 and the first steel box girder 1 for a bridge are fixedly connected through the first positioning bolts 4, second mounting frames 5 are provided on outer walls of front and rear sides of the first steel box girder 1 for a bridge, second bolt holes 6 are provided on the second mounting frames 5 and the first steel box girder 1 for a bridge, second positioning bolts 7 are provided in the second bolt holes 6, and the second mounting frames 5 and the first steel box girder 1 for a bridge are fixedly connected through the second positioning bolts 7;
a first motor 8 is fixedly installed on the first installation frame 2, a first threaded rod 9 is arranged on the first motor 8, the output end of the first motor 8 is connected with the first threaded rod 9, a first nut 10 is arranged at one end, far away from the first motor 8, of the first threaded rod 9, the first nut 10 is matched with the first threaded rod 9, a first sliding block 11 is fixedly installed at the front end of the first nut 10, a first sliding groove 12 is arranged on the second installation frame 5, and the first sliding block 11 is matched with the first sliding groove 12;
a second motor 13 is fixedly mounted on the upper surface of the first steel box beam 1 for the bridge, the output end of the second motor 13 is connected with a second threaded rod 14, a second nut 15 is arranged at one end, far away from the second motor 13, of the second threaded rod 14, the second nut 15 is matched with the second threaded rod 14, two positioning blocks 16 are arranged at the right end of the second nut 15, the cross section of each positioning block 16 is trapezoidal, and a spring rod 17 is fixedly mounted between the two positioning blocks 16;
the side wall of the second bridge steel box girder 18 is provided with a third mounting frame 19, the third mounting frame 19 and the second bridge steel box girder 18 are provided with a third bolt hole 20, the third bolt hole 20 is internally provided with a third positioning bolt 21, the third mounting frame 19 and the second bridge steel box girder 18 are fixedly connected through the third positioning bolt 21, the third mounting frame 19 is fixedly provided with a second slider 22, the surface of one end, far away from the third mounting frame 19, of the second slider 22 is smooth, the first slider 11 is provided with a second sliding groove 23, the second slider 22 is matched with the second sliding groove 23, the upper surface of the second bridge steel box girder 18 is fixedly provided with a positioning box 24, and the positioning box 24 is provided with a positioning hole 25.
When the utility model is used, firstly, the first mounting frame 2, the second mounting frame 5 and the first motor 8 are fixedly mounted on the first steel box girder 1 for the bridge, then the third mounting frame 19 is fixedly mounted on the second steel box girder 18 for the bridge, and then the second steel box girder 18 for the bridge is hoisted from the ground through the crane, at the moment, the first motor 8 is turned on, the first motor 8 drives the first threaded rod 9 to rotate, the first nut 10 on the first threaded rod 9 drives the first slider 11 to slide, and one part of the first slider 11 slides out of the first chute 12;
at this time, the position of the second bridge steel box girder 18 is adjusted to enable the second slider 22 on the third mounting frame 19 to slide into the second sliding groove 23 on the first slider 11, so that the two sides of the second bridge steel box girder 18 are kept at corresponding positions and heights through the second slider 22, the second sliding groove 23 and the first bridge steel box girder 1, then the second motor 13 is started, the second motor 13 drives the second threaded rod 14 to rotate, the second nut 15 on the second threaded rod 14 moves rightwards, the second nut 15 drives the positioning block 16 to move rightwards into the positioning hole 25 on the positioning box 24 until the positioning block 16 penetrates out of the positioning hole 25, at this time, the rotation direction of the second motor 13 is adjusted, the second nut 15 and the positioning box 24 are fixedly connected through the positioning block 16, the second nut 15 moves leftwards to drive the positioning box 24 to move along with the second positioning box 24, the positioning box 24 drives the second bridge steel box girder 18 to move leftwards until the first bridge steel box girder 1 and the second bridge steel box girder 18 are contacted, the second motor 13 is closed, the first bridge steel box girder 1 and the second bridge steel box girder 18 are welded, after welding is completed, the first positioning bolts 4, the second positioning bolts 7, the first positioning bolts 7, the second positioning bolt, the second motor mounting frame 13 and the mounting frame 13 are removed.
It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (8)
1. A positioning device for assembling a steel box girder for a bridge comprises a first steel box girder (1) for the bridge and a second steel box girder (18) for the bridge, and is characterized in that a first mounting frame (2) is arranged on the front side and the rear side of the first steel box girder (1) for the bridge, a first bolt hole (3) is formed in the first mounting frame (2) and the first steel box girder (1) for the bridge, a first positioning bolt (4) is arranged in the first bolt hole (3), a second mounting frame (5) is arranged on the outer walls of the front side and the rear side of the first steel box girder (1) for the bridge, a second bolt hole (6) is formed in the second mounting frame (5) and the first steel box girder (1) for the bridge, a second positioning bolt (7) is arranged in the second bolt hole (6), a first motor (8) is fixedly arranged on the first mounting frame (2), a first threaded rod (9) is arranged on the first motor (8), the output end of the first motor (8) is connected with the first threaded rod (9), a first nut (10) is arranged at one end far away from the first motor (8), a first sliding block (11) is fixedly arranged on the front end of the nut (10), and a sliding chute (12) is arranged on the second mounting frame (12);
and a third mounting frame (19) is arranged on the side wall of the second bridge steel box girder (18), a third bolt hole (20) is formed in the third mounting frame (19) and the second bridge steel box girder (18), a third positioning bolt (21) is arranged in the third bolt hole (20), a second sliding block (22) is fixedly mounted on the third mounting frame (19), and a second sliding groove (23) is formed in the first sliding block (11).
2. The assembling and positioning device for the steel box girder for the bridge as claimed in claim 1, wherein the first mounting frame (2) is fixedly connected with the first steel box girder for the bridge (1) through a first positioning bolt (4), and the second mounting frame (5) is fixedly connected with the first steel box girder for the bridge (1) through a second positioning bolt (7).
3. The assembling and positioning device for the steel box girder for the bridge as recited in claim 1, wherein the first nut (10) is matched with the first threaded rod (9), and the first slider (11) is matched with the first sliding groove (12).
4. The assembling and positioning device for the steel box girder for the bridge as claimed in claim 1, wherein a second motor (13) is fixedly installed on the upper surface of the first steel box girder (1) for the bridge, and the output end of the second motor (13) is connected with a second threaded rod (14).
5. The assembling and positioning device for the steel box girder for the bridge according to claim 4, wherein a second nut (15) is arranged at one end of the second threaded rod (14) far away from the second motor (13), the second nut (15) is matched with the second threaded rod (14), two positioning blocks (16) are arranged at the right end of the second nut (15), the positioning blocks (16) are trapezoidal in cross section, and a spring rod (17) is fixedly installed between the two positioning blocks (16).
6. The assembling and positioning device for the steel box girder for the bridge as claimed in claim 1, wherein the third mounting frame (19) and the second steel box girder (18) for the bridge are fixedly connected through a third positioning bolt (21).
7. The assembling and positioning device for the steel box girder for the bridge as claimed in claim 6, wherein a positioning box (24) is fixedly installed on the upper surface of the second steel box girder (18) for the bridge, and a positioning hole (25) is formed in the positioning box (24).
8. The assembling and positioning device for the steel box girder for the bridge as claimed in claim 1, wherein the surface of one end of the second sliding block (22) far away from the third mounting frame (19) is smooth, and the second sliding block (22) is matched with the second sliding groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222675527.7U CN218233172U (en) | 2022-10-12 | 2022-10-12 | Positioning device is assembled with steel case roof beam to bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222675527.7U CN218233172U (en) | 2022-10-12 | 2022-10-12 | Positioning device is assembled with steel case roof beam to bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218233172U true CN218233172U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222675527.7U Active CN218233172U (en) | 2022-10-12 | 2022-10-12 | Positioning device is assembled with steel case roof beam to bridge |
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| Country | Link |
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| CN (1) | CN218233172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116986463A (en) * | 2023-09-27 | 2023-11-03 | 山西建设投资集团有限公司 | Steel box girder lifting device |
-
2022
- 2022-10-12 CN CN202222675527.7U patent/CN218233172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116986463A (en) * | 2023-09-27 | 2023-11-03 | 山西建设投资集团有限公司 | Steel box girder lifting device |
| CN116986463B (en) * | 2023-09-27 | 2023-12-08 | 山西建设投资集团有限公司 | Steel box girder lifting device |
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