CN208183534U - The connecting structure and empty rail track girder system of empty rail prefabricated crossbeam and pre-track beam - Google Patents
The connecting structure and empty rail track girder system of empty rail prefabricated crossbeam and pre-track beam Download PDFInfo
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- CN208183534U CN208183534U CN201820751102.0U CN201820751102U CN208183534U CN 208183534 U CN208183534 U CN 208183534U CN 201820751102 U CN201820751102 U CN 201820751102U CN 208183534 U CN208183534 U CN 208183534U
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- track beam
- prefabricated crossbeam
- track
- empty rail
- connecting structure
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Abstract
The utility model discloses the connecting structure and empty rail track girder system of a kind of empty rail prefabricated crossbeam and pre-track beam, wherein connecting structure includes two clamping plates, it is separately positioned on the two sides of prefabricated crossbeam, two clamping plates are respectively used to fix two neighboring pre-track beam, and two clamping plates are connected by several slide bolts with prefabricated crossbeam；And two auxiliary positioning blocks, it is respectively arranged on the lower section of prefabricated crossbeam, two auxiliary positioning blocks are mounted on the two sides of pre-track beam, and the spacing between two auxiliary positioning blocks is adapted with the transverse width of pre-track beam；Empty rail track girder system includes several segments pre-track beam interconnected, and any connecting structure is connected between two neighboring pre-track beam.The present apparatus eliminates complicated cumbersome seam connection process compared to existing attachment device, and avoids influence of the bridging agent to construction quality, and package unit structure is simple, and easy for construction, bonding strength is high, is particularly easy to fabricated construction.
Description
Technical field
The utility model relates to track engineering field, especially a kind of connection structure of empty rail prefabricated crossbeam and pre-track beam
It makes and empty rail track girder system.
Background technique
In the past, the stringer of bridge and building generallyd use the mode of cast-in-place concrete with crossbeam to construct, therefore existed
It is long in time limit, construction efficiency is low, interference surrounding traffic and the problems such as noise pollution, water pollution.The presence of these problems promotes pre-
The application of mounting technology processed in engineering.Because prefabricated components standardization, industrialized reinforcing bar positioning binding, concrete casting with
Steam curing process ensures construction quality, so that behavior of members under loading meets expection, and when greatly reducing field operation
Between and reduce the influence to ambient enviroment.However the connecting structure of existing prefabricated reinforced concrete stringer and crossbeam, it is difficult
It is applied directly in armored concrete sky rail traffic bridge.
Fig. 1 is a kind of common prefabricated reinforced concrete stringer and crossbeam connecting structure, and prefabricated stringer connecting pin 2 passes through steel
Muscle plug 3 and the pre-buried bellows jack 4 of crossbeam connecting pin 1 plug, the company of filling between reinforcing bar plug 3 and bellows jack 4
Agent anchoring is connect, the seam crossing of two connecting pins injects seam bridging agent.The construction quality of such a construction, bridging agent cannot protect
Card, and the aging of bridging agent itself can seriously affect the anchor situation of reinforcing bar plug 3, cause joint stress dangerous.And
And each concrete slab for constituting track girder is relatively thin, is not easy that bellows jack 4 is arranged, whole cross section spatial distribution is big, it is difficult to infuse
Enter seam bridging agent, the shear behavior of engagement section not can guarantee, and will seriously affect structure safety.
Fig. 2 is a kind of improved structure on the basis of connecting structure shown in Fig. 1, and this form is also using reinforcing bar plug
3 and bellows jack 4 realize the consolidation of stringer connecting pin 2 and crossbeam connecting pin 1, it is mainly by stringer connecting pin 2 and crossbeam
Connecting pin 1 is designed to gap type, to expand the connection area of the two, increases bonding strength, and the setting of gap type connecting pin is protected
The shear behavior of junction is demonstrate,proved, but foregoing other problems are still unresolved.
Therefore, it is necessary to design a kind of novel connecting structure, the connectivity problem of above-mentioned longitudinal and cross beam is solved, is realized
The safe and reliable connection of prefabricated crossbeam and pre-track beam.
Utility model content
The goal of the invention of the utility model is: in view of the above-mentioned problems existing in the prior art, it is prefabricated to provide a kind of empty rail
The connecting structure and empty rail track girder system, the connecting structure of crossbeam and pre-track beam are able to achieve prefabricated crossbeam and pre-track
The safe and reliable connection of beam.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of connecting structure of sky rail prefabricated crossbeam and pre-track beam, comprising:
Two clamping plates, are separately positioned on the two sides of prefabricated crossbeam, and two clamping plates are respectively used to fix two neighboring pre-
Track girder processed, and two clamping plates are connected by several slide bolts with the prefabricated crossbeam；
And two auxiliary positioning blocks, it is respectively arranged on the lower section of the prefabricated crossbeam, two auxiliary positioning block installations
In the two sides of the pre-track beam, and the spacing between two auxiliary positioning blocks and the pre-track beam is laterally wide
Degree is adapted.
When carrying out the connection of empty rail prefabricated crossbeam and pre-track beam, prefabricated crossbeam is lifted into precast pier top first
Portion, and be welded to connect using embedment steel plate, the methods of nested type connection or prestressed bolt connection consolidated preform crossbeam and prefabricated
Bridge pier.Then, using the hoisting prefabricated track girder of construction equipment, the accurate of pre-track beam is determined by the auxiliary positioning block of two sides
Position is arranged through the slide bolt of two sides clamping plate and prefabricated crossbeam after the pre-track beam of prefabricated crossbeam two sides is in place,
To realize the connection of prefabricated crossbeam Yu pre-track beam.
The present apparatus eliminates complicated cumbersome seam connection process compared to existing attachment device, and avoids connection
Influence of the agent to construction quality, only need to use the good slide bolt of shear behavior, that is, be able to satisfy sky rail prefabricated crossbeam with it is prefabricated
The bonding strength requirement of track girder.Package unit structure is simple, easy for construction, and bonding strength is high, is particularly easy to carry out prefabricated cross
The fabricated construction of beam and pre-track beam.
As a preferred embodiment of the present invention, the end of the slide bolt is equipped with backing plate and nut, can be in backing plate
Two sides nut is respectively set, be adjusted so as to the elasticity to slide bolt.
As a preferred embodiment of the present invention, there is the gap of 1cm-3cm between the clamping plate and the prefabricated crossbeam,
To allow pre-track beam that there is certain straight skidding, to improve the stability of structure.
As a preferred embodiment of the present invention, the clamping plate is an integral molding structure with the pre-track beam, connection
Intensity is high, and connects convenient for assembled, improves installation effectiveness.
As a preferred embodiment of the present invention, the clamping plate and pre-track beam bolt, replacement easy to repair.
The invention also discloses a kind of empty rail track girder system, including several segments pre-track beam interconnected,
Any above-mentioned connecting structure is connected between two neighboring pre-track beam, assembly precision is high, and assembly efficiency is high, greatlys save
Construction cost.
As a preferred embodiment of the present invention, the auxiliary positioning block and the prefabricated crossbeam are armored concrete knot
Structure, and the auxiliary positioning block and the prefabricated crossbeam are an integral molding structure part, bonding strength is high, and connects convenient for assembled
It connects, improves installation effectiveness.
As a preferred embodiment of the present invention, the auxiliary positioning block and the prefabricated crossbeam bolt, it is easy to repair more
It changes.
As a preferred embodiment of the present invention, the prefabricated crossbeam and clamping plate are reserved with bolt hole, are easily installed.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, the present apparatus eliminates complicated cumbersome seam connection process, and the company of avoiding compared to existing attachment device
Influence of the agent to construction quality is connect, the good slide bolt of shear behavior need to be only used, that is, is able to satisfy sky rail prefabricated crossbeam and pre-
The bonding strength requirement of track girder processed.Package unit structure is simple, easy for construction, and bonding strength is high, is particularly easy to carry out prefabricated
The fabricated construction of crossbeam and pre-track beam.
2, with the gap of 1cm-3cm between the clamping plate and the prefabricated crossbeam, to allow pre-track beam to have one
Fixed straight skidding, to improve the stability of structure.
Detailed description of the invention
The schematic diagram of one kind described in Fig. 1 prior art common prefabricated reinforced concrete stringer and crossbeam connecting structure.
Fig. 2 is a kind of signal of modified prefabricated reinforced concrete stringer and crossbeam connecting structure described in the prior art
Figure.
It is marked in Fig. 1-2: 1- crossbeam connecting pin, 2- stringer connecting pin, 3- reinforcing bar plug, 4- bellows jack.
Fig. 3 is the schematic three dimensional views of the connecting structure of empty rail prefabricated crossbeam and pre-track beam described in the utility model.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the front view of Fig. 3.
Fig. 6 is the partial enlarged view of Fig. 5.
Mark in Fig. 2-6: 1- prefabricated crossbeam, 2- pre-track beam, 3- precast pier, 4- support, 5- clamping plate, 6- slide spiral shell
Bolt, 7- auxiliary positioning block, 8- backing plate, 9- nut.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As shown in Figure 3-Figure 5, a kind of connecting structure of empty rail prefabricated crossbeam and pre-track beam, comprising:
Two clamping plates 5, are separately positioned on the two sides of prefabricated crossbeam 1, and two clamping plates 5 are respectively used to fix two neighboring
Pre-track beam 2, the clamping plate 5 are bolted with the pre-track beam 2, and two clamping plates 5 pass through several slide bolts 6
It is connected with the prefabricated crossbeam 1；
And two auxiliary positioning blocks 7, it is respectively arranged on the lower section of the prefabricated crossbeam 1, two auxiliary positioning blocks 7 are pacified
Mounted in the two sides of the pre-track beam 2, and the spacing between two auxiliary positioning blocks 7 and the pre-track beam 2
Transverse width is adapted.
When carrying out the connection of empty rail prefabricated crossbeam 1 and pre-track beam 2, prefabricated crossbeam 1 is lifted into prefabricated bridge first
3 top of pier, and consolidated using support 4 and precast pier 3.Then, using the hoisting prefabricated track girder 2 of construction equipment, pass through two sides
Auxiliary positioning block 7 determine the accurate location of pre-track beam 2, after the pre-track beam 2 of 1 two sides of prefabricated crossbeam is in place,
It is arranged through 6 bolt of sliding spiral shell of two sides clamping plate 5 and prefabricated crossbeam 1, to realize the connection of prefabricated crossbeam 1 Yu pre-track beam 2.
It particularly, can as shown in fig. 6, with the gap of d=1cm-3cm between the clamping plate 5 and the prefabricated crossbeam 1
The elasticity of the backing plate 8 and nut 9 that are equipped with by adjusting the end of the slide bolt 6 is realized.Specifically, can be in sliding spiral shell
Two nuts 9 are arranged to realize fastening in one end of bolt 6, and a nut 9 is only arranged in the other end of slide bolt 6, prefabricated to allow
Track girder 2 has certain straight skidding, to improve the stability of structure.
The present apparatus eliminates complicated cumbersome seam connection process compared to existing attachment device, and avoids connection
Influence of the agent to construction quality, only need to use the good slide bolt of shear behavior, that is, be able to satisfy sky rail prefabricated crossbeam with it is prefabricated
The bonding strength requirement of track girder.Package unit structure is simple, easy for construction, and bonding strength is high, is particularly easy to carry out prefabricated cross
The fabricated construction of beam and pre-track beam.
Embodiment 2
A kind of sky rail track girder system, including several segments pre-track beam interconnected, two neighboring pre-track beam
Between be connected with any above-mentioned connecting structure, the auxiliary positioning block 7 and the prefabricated crossbeam 1 are armored concrete knot
Structure, and the auxiliary positioning block 7 and the prefabricated crossbeam 1 are an integral molding structure part, assembly precision is high, and assembly efficiency is high, greatly
Construction cost has been saved greatly.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of connecting structure of sky rail prefabricated crossbeam and pre-track beam characterized by comprising
Two clamping plates (5), are separately positioned on the two sides of prefabricated crossbeam (1), and two clamping plates (5) are respectively used to fix adjacent two
A pre-track beam (2), and two clamping plates (5) are connected by several slide bolts (6) with the prefabricated crossbeam (1)
It connects；
And two auxiliary positioning blocks (7), it is respectively arranged on the lower section of the prefabricated crossbeam (1), two auxiliary positioning blocks (7)
It is mounted on the two sides of the pre-track beam (2), and the spacing between two auxiliary positioning blocks (7) and the pre-track
The transverse width of beam (2) is adapted.
2. the connecting structure of a kind of empty rail prefabricated crossbeam and pre-track beam according to claim 1, which is characterized in that institute
The end for stating slide bolt (6) is equipped with backing plate (8) and nut (9).
3. the connecting structure of a kind of empty rail prefabricated crossbeam and pre-track beam according to claim 1, which is characterized in that institute
State the gap between clamping plate (5) and the prefabricated crossbeam (1) with 1cm-3cm.
4. the connecting structure of a kind of empty rail prefabricated crossbeam and pre-track beam according to claim 1 to 3, feature
It is, the clamping plate (5) and the pre-track beam (2) bolt.
5. the connecting structure of a kind of empty rail prefabricated crossbeam and pre-track beam according to claim 1 to 3, feature
It is, the clamping plate (5) is an integral molding structure with the pre-track beam (2).
6. a kind of sky rail track girder system, including several segments pre-track beam interconnected, which is characterized in that two neighboring pre-
Connecting structure a method as claimed in any one of claims 1 to 5 is connected between track girder processed.
7. a kind of empty rail track girder system according to claim 6, which is characterized in that the auxiliary positioning block (7) and institute
Stating prefabricated crossbeam (1) is reinforced concrete structure, and the auxiliary positioning block (7) and the prefabricated crossbeam (1) are integrated into
Type structural member.
8. a kind of empty rail track girder system according to claim 6, which is characterized in that the auxiliary positioning block (7) and institute
State prefabricated crossbeam (1) bolt.
9. according to a kind of empty rail track girder system as claimed in claim 6 to 8, which is characterized in that the prefabricated crossbeam (1)
Bolt hole is reserved with clamping plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751102.0U CN208183534U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and empty rail track girder system of empty rail prefabricated crossbeam and pre-track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751102.0U CN208183534U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and empty rail track girder system of empty rail prefabricated crossbeam and pre-track beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208183534U true CN208183534U (en) | 2018-12-04 |
Family
ID=64427375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820751102.0U Active CN208183534U (en) | 2018-05-18 | 2018-05-18 | The connecting structure and empty rail track girder system of empty rail prefabricated crossbeam and pre-track beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208183534U (en) |
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2018
- 2018-05-18 CN CN201820751102.0U patent/CN208183534U/en active Active
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