CN214033403U - A temporary prestressed structure for prefabricated segmented bridges - Google Patents
A temporary prestressed structure for prefabricated segmented bridges Download PDFInfo
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- CN214033403U CN214033403U CN202022825128.5U CN202022825128U CN214033403U CN 214033403 U CN214033403 U CN 214033403U CN 202022825128 U CN202022825128 U CN 202022825128U CN 214033403 U CN214033403 U CN 214033403U
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- rod spare
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000008878 coupling Effects 0.000 abstract description 11
- 238000010168 coupling process Methods 0.000 abstract description 11
- 238000005859 coupling reaction Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a interim prestressed construction technical field specifically is a interim prestressed construction for prefabricating segment pin-connected panel bridge, including first pull rod spare, coupling mechanism, second pull rod spare and locking piece, first pull rod spare and second pull rod spare all with coupling mechanism threaded connection, first pull rod spare and second pull rod spare all with coupling mechanism through the locking piece advance line location. The utility model discloses a be provided with the locking piece, the locking piece can be through first positioning hole, second positioning hole and third positioning hole can be with first pull rod spare and second tension rod spare location in coupling mechanism's inside, when carrying out tensile to the device, the locking piece can bear certain pulling force, reduce great pulling force and lead to the fact the influence to the screw thread of seting up on first pull rod spare, coupling mechanism, the second tension rod spare, the device's life has been improved greatly, convenient to reuse.
Description
Technical Field
The utility model relates to a interim prestressed structure technical field, especially a interim prestressed structure for prefabricating segmental pin-connected panel bridge.
Background
A segment prefabrication and assembly construction method is characterized in that a bridge superstructure is divided into a plurality of standard segment beams, after matched prefabrication is completed in a prefabrication site, special assembling equipment such as a bridge girder erection machine is used on the bridge substructure on site to assemble the beams one by one in sequence, prestress is applied to the beams simultaneously to form an integral structure, and the integral structure is pushed one by one and assembled one by one along a preset installation direction.
The temporary prestressed structure for precast segmental assembled bridge disclosed in chinese patent CN 210194433U, although there is no longitudinal hole, i.e. there is no need to fill longitudinal hole, and there is no risk that longitudinal filler will fall off under the action of gravity after a long time, however, during the specific use process, it also has the following disadvantages:
because the screw connector is connected with the tensioning screw through the threads, when the tensioning screw is used, the threads are easily damaged by receiving large pulling force, the service life is short, and the use is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a interim prestressed structure for prefabricating segmental pin-connected panel bridge.
The purpose of the utility model is realized through the following technical scheme: a temporary prestressed structure for a prefabricated section assembled bridge comprises a first tension rod piece, a connecting mechanism, a second tension rod piece and a locking piece, wherein the first tension rod piece and the second tension rod piece are in threaded connection with the connecting mechanism, and are positioned through the locking piece;
the first tension rod piece comprises a first tension rod, one end of the outer surface of the first tension rod is provided with a first threaded area, one end of the outer surface of the first tension rod, which is far away from the first threaded area, is provided with a second thread, the outer surface of the first threaded area is in threaded connection with a first anchoring nut, and the first threaded area and the second thread are both internally provided with first positioning through holes;
the connecting mechanism comprises an intermediate connector, a splicing through hole is formed in the intermediate connector, third threads are formed in one end of the inner wall of the splicing through hole, fourth threads are formed in the end, far away from the third threads, of the inner wall of the splicing through hole, and two second positioning through holes are formed in the outer surface of the intermediate connector;
the second tension rod piece comprises a second tension rod, a fifth thread is arranged at one end of the outer surface of the second tension rod, a sixth thread is arranged at one end of the outer surface of the second tension rod, which is far away from the fifth thread, a second anchoring nut is connected with the outer surface of the fifth thread in a threaded manner, and third positioning through holes are formed in the fifth thread and the sixth thread;
the locking piece include fixed block and screw thread post, screw thread post fixed connection in one side of fixed block.
Optionally, the intermediate connector is a regular hexagon.
Optionally, the first thread region, the fourth thread and the fifth thread are forward threads, and the second thread, the third thread and the sixth thread are reverse threads.
Optionally, the inner diameters of the first positioning through hole, the second positioning through hole and the third positioning through hole are all matched with the diameter of the threaded column.
Optionally, seventh threads are formed on inner walls of the first positioning through hole, the second positioning through hole and the third positioning through hole, eighth threads are formed on the outer surface of the threaded column, and the seventh threads are matched with the eighth threads.
Optionally, the diameters of the first tension rod and the second tension rod are matched with the inner diameter of the splicing through hole.
The utility model has the advantages of it is following:
1. this a interim prestressed structure for prefabricating segment pin-connected panel bridge, in the use, through being provided with first tension bar spare, coupling mechanism, second tension bar spare and locking piece, wherein, coupling mechanism is as middle connection structure, third screw thread has been seted up through the one end at concatenation through-hole inner wall, the fourth screw thread has been seted up to the one end that third screw thread was kept away from to concatenation through-hole inner wall, the opposite direction of third screw thread and fourth screw thread, when installing like this, need not to rotate longer first tension bar and second tension bar and just can link together first tension bar and second tension bar, and the installation of being convenient for is favorable to reducing intensity of labour.
2. This a interim prestressed structure for prefabricated segment pin-connected panel bridge, in the use, through being provided with the locking piece, the locking piece can be through first positioning hole, second positioning hole and third positioning hole can be fixed a position first tension rod spare and second tension rod spare in coupling mechanism's inside, when stretching to the device, the locking piece can bear certain pulling force, reduce great pulling force and to first tension rod spare, coupling mechanism, the screw thread of seting up on the second tension rod spare causes the influence, the device's life has been improved greatly, be convenient for used repeatedly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic structural view of the connection mechanism of the present invention;
fig. 5 is a cross-sectional view of the connection mechanism of the present invention
Fig. 6 is a schematic structural view of a first tension member according to the present invention;
fig. 7 is a schematic structural view of a second tension member of the present invention;
fig. 8 is a schematic structural view of the locking member of the present invention.
In the figure: 1-first tension bar member, 101-first tension bar, 102-first threaded zone, 103-second thread, 104-first anchor nut, 105-first positioning through hole, 2-connection mechanism, 201-intermediate connector, 202-splicing through hole, 203-third thread, 204-fourth thread, 205-second positioning through hole, 3-second tension bar member, 301-second tension bar, 302-fifth thread, 303-sixth thread, 304-second anchor nut, 305-third positioning through hole, 4-locking member, 401-fixed block, 402-threaded column.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 8, a temporary prestressed structure for a prefabricated segment assembled bridge includes a first tension rod member 1, a connecting mechanism 2, a second tension rod member 3 and a locking member 4, wherein the first tension rod member 1 and the second tension rod member 3 are both in threaded connection with the connecting mechanism 2, and the first tension rod member 1 and the second tension rod member 3 are both positioned with the connecting mechanism 2 through the locking member 4;
the first tension rod piece 1 comprises a first tension rod 101, a first threaded area 102 is formed in one end of the outer surface of the first tension rod 101, a second thread 103 is formed in one end, away from the first threaded area 102, of the outer surface of the first tension rod 101, a first anchoring nut 104 is in threaded connection with the outer surface of the first threaded area 102, and first positioning through holes 105 are formed in the first threaded area 102 and the second thread 103;
the connecting mechanism 2 comprises an intermediate connector 201, a splicing through hole 202 is formed in the intermediate connector 201, a third thread 203 is formed at one end of the inner wall of the splicing through hole 202, a fourth thread 204 is formed at one end, far away from the third thread 203, of the inner wall of the splicing through hole 202, and two second positioning through holes 205 are formed in the outer surface of the intermediate connector 201;
the second tension rod piece 3 comprises a second tension rod 301, a fifth thread 302 is formed in one end of the outer surface of the second tension rod 301, a sixth thread 303 is formed in one end, away from the fifth thread 302, of the outer surface of the second tension rod 301, a second anchoring nut 304 is connected to the outer surface of the fifth thread 302 in a threaded manner, and third positioning through holes 305 are formed in the fifth thread 302 and the sixth thread 303;
the locking member 4 includes a fixing block 401 and a screw post 402, and the screw post 402 is fixedly coupled to one side of the fixing block 401.
As a preferred technical solution of the present invention, the intermediate connector 201 is a regular hexagon.
As a preferred embodiment of the present invention, the first thread region 102, the fourth thread 204 and the fifth thread 302 are forward threads, and the second thread 103, the third thread 203 and the sixth thread 303 are reverse threads.
As a preferred technical scheme of the utility model, the internal diameter of first positioning through-hole 105, second positioning through-hole 205 and third positioning through-hole 305 all with the diameter looks adaptation of screw post 402.
As a preferred technical scheme of the utility model, seventh screw thread has been seted up to the inner wall of first positioning through-hole 105, second positioning through-hole 205 and third positioning through-hole 305, and eighth screw thread, seventh screw thread and eighth screw thread looks adaptation have been seted up to the surface of screw thread post 402.
As an optimized technical scheme of the utility model, the diameter of first stretch-draw pole 101 and second stretch-draw pole 301 and the internal diameter looks adaptation of concatenation through-hole 202.
The working process of the utility model is as follows: when the device is used, the first tension rod member 1, the connecting mechanism 2, the second tension rod member 3 and the locking member 4 are arranged, wherein the first tension rod member 1 and the second tension rod member 3 are completely the same, the number of the first tension rod member 1 and the second tension rod member 3 is several, and the several first tension rod members 1 and the several second tension rod members 3 are connected together in a tail-closing manner through the connecting mechanism 2, wherein the first threaded area 102, the fourth thread 204 and the fifth thread 302 are forward threads, and the second thread 103, the third thread 203 and the sixth thread 303 are reverse threads, so that when the connection is carried out, the first tension rod member 101 and the second tension rod 301 do not need to rotate in narrow grooves, the first tension rod member 1 and the second tension rod member 3 can be connected only by rotating the connecting mechanism 2, the installation and the disassembly are convenient, and the labor intensity of workers is reduced, finally, the locking piece 4 penetrates through the first positioning through hole 105, the second positioning through hole 205 and the third positioning through hole 305 for positioning, so that a good tensile effect can be achieved, and the practicability of the device is greatly improved, when in specific use, the first pull rod piece 1, the connecting mechanism 2, the second pull rod piece 3 and the locking piece 4 are arranged, wherein the connecting mechanism 2 is used as a middle connecting structure, the third thread 203 is arranged at one end of the inner wall of the splicing through hole 202, the fourth thread 204 is arranged at one end of the inner wall of the splicing through hole 202, which is far away from the third thread 203, and the directions of the third thread 203 and the fourth thread 204 are opposite, so that when in installation, the first pull rod 101 and the second pull rod 301 can be connected together without rotating the first pull rod 101 and the second pull rod 301 which are longer, the installation is convenient, the labor intensity is reduced, and in addition, through being provided with locking piece 4, locking piece 4 can be through first positioning hole 105, second positioning hole 205 and third positioning hole 305 can be with first tension rod spare 1 and second tension rod spare 3 location in coupling mechanism 2's inside, when carrying out the extension to the device, locking piece 4 can bear certain pulling force, it influences to reduce the screw thread of seting up on great pulling force to first tension rod spare 1, coupling mechanism 2, second tension rod spare 3, the life of the device has been improved greatly, be convenient for used repeatedly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825128.5U CN214033403U (en) | 2020-12-01 | 2020-12-01 | A temporary prestressed structure for prefabricated segmented bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825128.5U CN214033403U (en) | 2020-12-01 | 2020-12-01 | A temporary prestressed structure for prefabricated segmented bridges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214033403U true CN214033403U (en) | 2021-08-24 |
Family
ID=77364058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022825128.5U Expired - Fee Related CN214033403U (en) | 2020-12-01 | 2020-12-01 | A temporary prestressed structure for prefabricated segmented bridges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214033403U (en) |
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2020
- 2020-12-01 CN CN202022825128.5U patent/CN214033403U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |