CN206800077U - A kind of shield tunnel vibration and noise reducing steel tie - Google Patents
A kind of shield tunnel vibration and noise reducing steel tie Download PDFInfo
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- CN206800077U CN206800077U CN201720653523.5U CN201720653523U CN206800077U CN 206800077 U CN206800077 U CN 206800077U CN 201720653523 U CN201720653523 U CN 201720653523U CN 206800077 U CN206800077 U CN 206800077U
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- steel tie
- damping block
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- vibration
- noise reducing
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Abstract
The utility model discloses a kind of shield tunnel vibration and noise reducing steel tie, including curved plate and the steel tie framework for being symmetricly set on curved plate both ends, steel tie framework is by top plate, and it is vertically mounted on the interior plate of top plate surrounding, outer panel, front shoe and rear fixed plate are formed, the bottom of interior plate is fixedly connected on curved plate, the damping block for vibration and noise reducing is installed with steel tie framework, steel tie framework is stretched out in the bottom surface of damping block, the bottom surface of damping block is the cambered surface to match with the intrados of shield duct piece, damping block is fixedly connected by the first bolt and front side board with back side panel.The utility model causes it is no longer hard contact between the bottom of steel tie and shield duct piece, but it is used as buffer element by the use of damping block, effectively reduce vibration, avoid influence of the shield duct piece faulting of slab ends to the rail level of rail, secondary structure noise will not be produced, improves the service life of rail and vehicle.
Description
Technical field
A kind of steel tie is the utility model is related to, more particularly, to a kind of shield tunnel vibration and noise reducing steel tie.
Background technology
The steel tie used now is mainly arc steel tie, as shown in figure 1, arc steel tie of the prior art includes
Curved plate 1 and the frame structure being symmetrically laid on curved plate 1, the frame structure include the inner arc with curved plate 1
The web 5 of face fitting, the top plate 2 for being connected to the top of web 5 and the vertical outer panel being laid between top plate 2 and curved plate 1
4, the medial surface of outer panel 4 is connected with the end face of web 5.Arc steel tie of the prior art in actual use, due to arc
It is hard contact between the bottom of shape steel tie and shield duct piece, without buffer gear between contact surface, is commonly present following defect：Arc
Shape steel tie is easily influenceed by shield duct piece faulting of slab ends and causes the rail level of rail uneven；Vibration aggravation when vehicle travels, production
Raw vibration and noise is directly delivered to shield duct piece and surrounding formation by steel tie, causes above ground structure to vibrate, and produce
Raw secondary structure noise；Wheel and rail abrasion aggravation, influence the service life of rail and vehicle.Therefore, it should propose a kind of
Shield tunnel vibration and noise reducing steel tie.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of shield
Tunnel vibration and noise reducing steel tie, its is simple in construction, reasonable in design, by the way that vibration damping is fixedly mounted in the steel tie framework
Block so that no longer it is hard contact between the bottom of steel tie and shield duct piece, but by the use of damping block as buffer element, have
Effect reduces vibration, avoids influence of the shield duct piece faulting of slab ends to the rail level of rail, will not produce secondary structure noise, improves
The service life of rail and vehicle.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of shield tunnel vibration and noise reducing
Steel tie, it is characterised in that：Including curved plate and it is symmetricly set on the steel tie framework at curved plate both ends, the rail
Framework is rested the head on by top plate, and is vertically mounted on interior plate, outer panel, front shoe and the rear fixed plate composition of top plate surrounding, institute
The bottom for stating interior plate is fixedly connected on curved plate, and subtracting for vibration and noise reducing is installed with the steel tie framework
Shake block, and the steel tie framework is stretched out in the bottom surface of the damping block, and the bottom surface of the damping block is the intrados with shield duct piece
The cambered surface to match, the damping block are fixedly connected by the first bolt and front side board with back side panel.
A kind of above-mentioned shield tunnel vibration and noise reducing steel tie, it is characterised in that：The extrados of the curved plate with
The intrados of shield duct piece matches.
A kind of above-mentioned shield tunnel vibration and noise reducing steel tie, it is characterised in that：The damping block is pine and cypress wooden unit.
A kind of above-mentioned shield tunnel vibration and noise reducing steel tie, it is characterised in that：The outer layer of the damping block is provided with
Skid resistant course.
A kind of above-mentioned shield tunnel vibration and noise reducing steel tie, it is characterised in that：It is fixedly mounted on the top plate useful
In the second bolt of connection rail.
The utility model has advantages below compared with prior art：
1st, the utility model in the steel tie framework by being fixedly mounted damping block so that the bottom of steel tie and shield
No longer be hard contact between structure section of jurisdiction, but the bottom of damping block contacts with shield duct piece, and the bottom surface of damping block have with
The cambered surface that the intrados of shield duct piece matches, the fit precision of damping block and shield duct piece is ensure that, effectively reduces and shakes
It is dynamic, influence of the shield duct piece faulting of slab ends to the rail level of rail is avoided, secondary structure noise will not be produced, improve rail and vehicle
Service life.
2nd, the utility model damping block is pine and cypress wooden unit, and pine and cypress wooden unit is carried out into preservative treatment, and in the outer of pine and cypress wooden unit
Layer sets skid resistant course so that the wearability enhancing of pine and cypress wooden unit, resistance to displacement increase, is not susceptible to deform, due to pine and cypress wooden unit
Itself has certain elasticity, therefore, when pine and cypress wooden unit in part by larger load when, will not directly oppress shield duct piece,
Shield duct piece is caused to damage so as to avoid.
3rd, the utility model on top plate by being provided for connecting the second bolt of rail, and the screw cap end of the second bolt
It is fixed on by the way of plug welding on top plate, not only increases the shearing strength of the second bolt, also the second bolt is being circulated
It is less likely to occur the phenomenon of fatigue rupture and the abjection of the second bolt looseness under dynamic loading.
4th, the utility model is simple in construction, processing and fabricating is convenient, input cost is low, easy to utilize.
In summary, the utility model is simple in construction, reasonable in design, is subtracted by being fixedly mounted in the steel tie framework
Shake block so that and no longer it is hard contact between the bottom of steel tie and shield duct piece, but by the use of damping block as buffer element,
Vibration is effectively reduced, influence of the shield duct piece faulting of slab ends to the rail level of rail is avoided, secondary structure noise will not be produced, carried
The high service life of rail and vehicle.
Below by drawings and examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is Fig. 2 top view.
Fig. 4 is use state figure of the present utility model.
Description of reference numerals:
1-curved plate；2-top plate；3-interior plate；
4-outer panel；5-web；6-damping block；
7-front side board；8-back side panel；9-the first bolt；
10-nut；11-skid resistant course；12-the second bolt；
13-shield duct piece.
Embodiment
As shown in Figure 2, Figure 3 and Figure 4, the utility model includes curved plate 1 and is symmetricly set at the both ends of curved plate 1
Steel tie framework, the steel tie framework by top plate 2, and be vertically mounted on the interior plate 3 of the surrounding of top plate 2, outer panel 4,
Front side board 7 and back side panel 8 are formed, and the bottom of the interior plate 3 is fixedly connected on curved plate 1, in the steel tie framework
The damping block 6 for vibration and noise reducing is installed with, the steel tie framework, the vibration damping are stretched out in the bottom surface of the damping block 6
The bottom surface of block 6 is the cambered surface to match with the intrados of shield duct piece 13, and the damping block 6 passes through the first bolt 9 and front side board 7
It is fixedly connected with back side panel 8.
Pass through and damping block 6 be fixedly mounted in the steel tie framework so that the bottom of steel tie and shield duct piece 13 it
Between be no longer hard contact, but the bottom of damping block 6 contacts with shield duct piece 13, and the bottom surface of damping block 6 has and shield
The cambered surface that the intrados of section of jurisdiction 13 matches, the fit precision of damping block 6 and shield duct piece 13 is ensure that, effectively reduces and shakes
It is dynamic, influence of the shield duct piece faulting of slab ends to the rail level of rail is avoided, secondary structure noise will not be produced, improve rail and vehicle
Service life.
During actual use, in order to ensure that the steel tie framework is stretched out in the bottom surface of damping block 6, the steel tie framework is avoided
Bottom and shield duct piece 13 between hard contact, therefore, the bottom of outer panel 4, front side board 7 and back side panel 8, which must not be less than, to be subtracted
Shake the bottom surface of block 6.
In the present embodiment, the intrados of the extrados and shield duct piece 13 of the curved plate 1 matches, actual use
When, when the extrados of curved plate 1 matches with the intrados of shield duct piece 13, it ensure that whole steel tie and shield duct piece
13 fit precision.
During actual use, front side board 7 is identical with the structure of back side panel 8, along front side board 7 and the length direction of back side panel 8
Uniformly lay multiple through holes for having and being passed through for the first bolt 9.
In the present embodiment, the damping block 6 is pine and cypress wooden unit.
In the present embodiment, the outer layer of the damping block 6 is provided with skid resistant course 11.
During actual use, the pine and cypress wooden unit is subjected to preservative treatment first, then in the outer layer bag of the pine and cypress wooden unit
Wrap up in one layer of burlap so that the wearability enhancing of the pine and cypress wooden unit, resistance to displacement increase, be not susceptible to deform, due to the pine
Cypress block has certain elasticity in itself, therefore, when the pine and cypress wooden unit in part by larger load when, will not directly oppress
Shield duct piece 13, shield duct piece 13 is caused to damage so as to avoid.
In the present embodiment, the second bolt 12 for connecting rail, second bolt are installed with the top plate 2
12 screw cap end is fixed on by way of plug welding on the top plate 2, and the second bolt 12 is not only increased by the way of plug welding
Shearing strength, also cause the second bolt 12 in the case where circulating dynamic loading, it is not easy to fatigue rupture and the second bolt 12 occurs
Loosen the phenomenon of abjection.
During actual use, the quantity of second bolt 12 is four, and four the second bolts 12 are laid in two tops respectively
On plate 2, and the second bolt 12 on each top plate 2 is laid in diagonal.
During actual use, first, the steel tie framework is installed respectively at the both ends of curved plate 1, specific installation side
Method is：Interior plate 3, outer panel 4, front side board 7 and back side panel 8 be respectively perpendicular to the surrounding of the top plate 2 of fixed installation, then by rail
The interior plate 3 of pillow framework is fixedly mounted on one end of curved plate 1 vertically；Secondly, damping block 6 is arranged on the steel tie frame
In frame；Then, after the first bolt 9 being sequentially passed through into front side board 7, damping block 6 and back side panel 8, installation nut 10 is fastened；Most
Afterwards, it is fixedly mounted the second bolt 12 in a manner of plug welding on top plate 2, easy for installation, low manufacture cost, using effect is good.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (5)
- A kind of 1. shield tunnel vibration and noise reducing steel tie, it is characterised in that：Including curved plate (1) and it is symmetricly set on arc The steel tie framework at steel plate (1) both ends, the steel tie framework is by top plate (2), and is vertically mounted on the interior of top plate (2) surrounding Side plate (3), outer panel (4), front side board (7) and back side panel (8) are formed, and the bottom of the interior plate (3) is fixedly connected on arc On steel plate (1), the damping block (6) for vibration and noise reducing, the bottom of the damping block (6) are installed with the steel tie framework The steel tie framework is stretched out in face, and the bottom surface of the damping block (6) is the cambered surface to match with the intrados of shield duct piece (13), The damping block (6) is fixedly connected by the first bolt (9) and front side board (7) with back side panel (8).
- 2. according to a kind of shield tunnel vibration and noise reducing steel tie described in claim 1, it is characterised in that：The curved plate (1) extrados and the intrados of shield duct piece (13) match.
- 3. according to a kind of shield tunnel vibration and noise reducing steel tie described in claim 1 or 2, it is characterised in that：The vibration damping Block (6) is pine and cypress wooden unit.
- 4. according to a kind of shield tunnel vibration and noise reducing steel tie described in claim 3, it is characterised in that：The damping block (6) outer layer is provided with skid resistant course (11).
- 5. according to a kind of shield tunnel vibration and noise reducing steel tie described in claim 1, it is characterised in that：The top plate (2) On be installed with the second bolt (12) for connecting rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653523.5U CN206800077U (en) | 2017-06-06 | 2017-06-06 | A kind of shield tunnel vibration and noise reducing steel tie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653523.5U CN206800077U (en) | 2017-06-06 | 2017-06-06 | A kind of shield tunnel vibration and noise reducing steel tie |
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| Publication Number | Publication Date |
|---|---|
| CN206800077U true CN206800077U (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653523.5U Active CN206800077U (en) | 2017-06-06 | 2017-06-06 | A kind of shield tunnel vibration and noise reducing steel tie |
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| Country | Link |
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| CN (1) | CN206800077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442185A (en) * | 2018-03-30 | 2018-08-24 | 东南大学 | A kind of compound railway roadbed and preparation method thereof of vibration damping and vibration isolation bandwidth regulation and control |
-
2017
- 2017-06-06 CN CN201720653523.5U patent/CN206800077U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442185A (en) * | 2018-03-30 | 2018-08-24 | 东南大学 | A kind of compound railway roadbed and preparation method thereof of vibration damping and vibration isolation bandwidth regulation and control |
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