CN109764051A - A kind of self-replaced type bolt for shield tunnel antidetonation - Google Patents
A kind of self-replaced type bolt for shield tunnel antidetonation Download PDFInfo
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- CN109764051A CN109764051A CN201910083446.8A CN201910083446A CN109764051A CN 109764051 A CN109764051 A CN 109764051A CN 201910083446 A CN201910083446 A CN 201910083446A CN 109764051 A CN109764051 A CN 109764051A
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Abstract
The invention discloses a kind of self-replaced type bolt for shield tunnel antidetonation, including bolt column, bolt column includes the low-carbon alloy steel section of intermediate nickel-titanium alloy material section and both ends；Nickel-titanium alloy material section and the low-carbon alloy steel section at both ends are connected by means for mounting coupling parts；Nickel-titanium alloy material section is diameter arc cylindrical section identical with the diameter of bolt or cylindrical section, and the component and its weight percentage of nickel-titanium alloy material section are 55.9% nickel, 44.1% titanium；Low-carbon alloy steel section is diameter cylindrical section identical with the diameter of bolt, and one end of low-carbon alloy steel section is connect with nickel-titanium alloy material section by means for mounting coupling parts, and the other end of low-carbon alloy steel section has been connected through a screw thread nut.Using self-replaced type bolt of the present invention to the absorption of seimic wave propagation, the ability for making section of jurisdiction junction have certain resistance to deformation, thus the integrality of protection path structure.The structure has stronger reference effect to the constructing tunnel of high intensity Zone.
Description
Technical field
The present invention relates to Underground Construction fields, more particularly to a kind of self-replaced type spiral shell for shield tunnel antidetonation
Bolt.
Background technique
Since 20th century it was found from world's earthquake disaster data, when earthquake intensity is up to 7 degree, tunnel easily occurs in various degree
Destruction, and the reparation of structure is extremely difficult.Nineteen eighty-three away from 6 grades of earthquakes occur at the 150km of Shanghai City, causes the road Da Pu shield
There is visible crack at 5 in Structural Test of Tunnel Segments；7.2 grades of earthquakes have occurred in nineteen ninety-five Japan's slope mind, and tunnel destructive rate in earthquake region is super
Cross 10%.The junction of duct pieces of shield tunnel is easier to occur because of the discontinuity of its structure in the case where geological process
It destroys.The existing history for a long time of plain bolt application, has mature theory, but also lack the design for being directed to antidetonation.For
For the tunnel structure of high intensity Zone, for its most weak part, reasonable improved method is proposed, it is broken that earthquake is resisted in raising
Bad power is necessary.
Summary of the invention
For the above-mentioned prior art, the present invention provides a kind of self-replaced type bolts for shield tunnel antidetonation, utilize
Self-replaced type bolt is to the absorption of seimic wave propagation, the ability for making section of jurisdiction junction have certain resistance to deformation, thus
The integrality of protection path structure.The structure has stronger reference effect to the constructing tunnel of high intensity Zone.
In order to solve the above-mentioned technical problem, a kind of self-replaced type bolt for shield tunnel antidetonation proposed by the present invention,
Including bolt column, the bolt column includes the low-carbon alloy steel section of intermediate nickel-titanium alloy material section and both ends；The NiTi closes
The low-carbon alloy steel section at golden material segment and both ends is connected by means for mounting coupling parts；The nickel-titanium alloy material section is that diameter and bolt are straight
The identical arc cylindrical section of diameter or cylindrical section, the component and its weight percentage of the nickel-titanium alloy material section are 55.9%
Nickel, 44.1% titanium；The low-carbon alloy steel section is diameter cylindrical section identical with the diameter of bolt, the low-carbon alloy steel section
One end is connect with the nickel-titanium alloy material section by means for mounting coupling parts, and the other end of the low-carbon alloy steel section is connected through a screw thread
There is nut.
Self-replaced type bolt for shield tunnel antidetonation, in which:
When the nickel-titanium alloy material section is cylindrical section, the length of the nickel-titanium alloy material section is the length of 1/3 bolt column
Degree；When the nickel-titanium alloy material section is arc cylindrical section, the length of run of the nickel-titanium alloy material section is the exhibition of 1/3 bolt column
Open length.
Rubber case is set in the nickel-titanium alloy material section, the length of the rubber case is that the NiTi is completely covered to close
Golden material segment and there are the surpluses of 2.5~3.5cm in the two sides of this section.
The means for mounting coupling parts includes that the clamp of low-carbon alloy steel section end is arranged in and is arranged in nickel-titanium alloy material
The snap ring of section end, the clamp include successively short neck and small the head end rotary table outwardly with the coaxial arrangement of low-carbon alloy steel section,
The locating piece of the stub end and low-carbon alloy steel Duan Duan that connect the rotary table is equipped on the external rotary surface of the short neck；It is described
Snap ring include successively with the nickel-titanium alloy material section coaxial arrangement annular groove and retaining ring, the retaining ring be equipped with it is described fixed
The slot of position block cooperation；The clamp is embedded in the snap ring, to make the low-carbon alloy steel section and nickel-titanium alloy material
Section connection.
Compared with prior art, the invention has the following advantages:
To be connected between different sections of jurisdiction by self-replaced type bolt, self-replaced type bolt can reduce tunnel duct piece and section of jurisdiction it
Between relative displacement, with this come achieve the purpose that improve section of jurisdiction junction anti-seismic performance, protect shield structure globality.This hair
The bright anti-seismic performance for effectively improving tunnel duct piece Yu section of jurisdiction junction, and do not change original construction method.
Detailed description of the invention
Fig. 1 is self-replaced type bolt schematic diagram of the present invention；
Fig. 2 is the schematic diagram of self-replaced type bolt resistance to deformation shown in Fig. 1
Fig. 3-1 is means for mounting coupling parts clamp part axial direction schematic diagram in self-replaced type bolt shown in Fig. 1；
Fig. 3-2 is the end of clamp part shown in Fig. 3-1 to schematic diagram；
Fig. 3-3 is means for mounting coupling parts snap ring part axial section in self-replaced type bolt shown in Fig. 1；
Fig. 3-4 is the end of snap ring part shown in Fig. 3-3 to schematic diagram；
Fig. 4 is means for mounting coupling parts connection schematic diagram in self-replaced type bolt shown in Fig. 1；
In figure: 1- nickel-titanium alloy material section, 2- low-carbon alloy steel section, 3- nut；4- nut；5- rubber housing, 6- build-in
Structure, the short neck of 61-, 62- rotary table, 63- locating piece, 64- annular groove, 65- retaining ring, 66- slot.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described further, but following embodiments are absolutely not to this hair
It is bright to have any restrictions.
The self-replaced type bolt and preparation method thereof that the present invention provides a kind of for shield tunnel antidetonation, utilizes Self-resetting
Formula bolt is to the absorption of seimic wave propagation, the ability for making section of jurisdiction junction have certain resistance to deformation.And utilize nickel
The shape memory of titanium alloy, the maintenance after avoiding shake, greatly reduces maintenance cost.To the complete of protection path structure
Whole property has important meaning, has stronger reference effect to the constructing tunnel of high intensity Zone.
As depicted in figs. 1 and 2, a kind of self-replaced type bolt for shield tunnel antidetonation of the present invention, including bolt column, institute
State the low-carbon alloy steel section 2 that bolt column includes intermediate nickel-titanium alloy material section 1 and both ends；The nickel-titanium alloy material section 1 with
The low-carbon alloy steel section 2 at both ends is connected by means for mounting coupling parts 6；The nickel-titanium alloy material section 1 is that diameter is identical as the diameter of bolt
Arc cylindrical section or cylindrical section, the component and its weight percentage of the nickel-titanium alloy material section 1 are 55.9% nickel,
44.1% titanium；The low-carbon alloy steel section 2 be diameter cylindrical section identical with the diameter of bolt, the one of the low-carbon alloy steel section 2
End is connect with the nickel-titanium alloy material section 1 by means for mounting coupling parts 6, and the other end of the low-carbon alloy steel section 2 is connected by screw thread
It is connected to nut 4.
As shown in Figure 1, the length of the nickel-titanium alloy material section 1 is 1/ when the nickel-titanium alloy material section 1 is cylindrical section
The length of 3 bolt columns；As described in Figure 2, when the nickel-titanium alloy material section 1 is arc cylindrical section, the nickel-titanium alloy material section 1
Length of run be 1/3 bolt column length of run.
As depicted in figs. 1 and 2, rubber case 5 is set in the nickel-titanium alloy material section 1, the length of the rubber case 5 is
The nickel-titanium alloy material section 1 is completely covered and there are the surpluses of 2.5~3.5cm in the two sides of this section.
The present invention passes through nickel-titanium alloy material section 1 with the end sections of conventional bolt (i.e. low-carbon alloy steel section 2) nested
Mode is combined into self-replaced type Novel bolt.
The means for mounting coupling parts 6 includes that the clamp of 2 end of low-carbon alloy steel section is arranged in and is arranged in Nitinol material
Expect the snap ring of 1 end of section.As shown in Fig. 3-1 and Fig. 3-2, the clamp includes successively being coaxially disposed with low-carbon alloy steel section 2
The rotary table 62 of short neck 61 and small head end outwardly is equipped on the external rotary surface of the short neck 61 and connects the big of the rotary table 62
The major part of the locating piece 63 of head end and 2 end of low-carbon alloy steel section, the radius and rotary table 62 of this bit of 63 outer surface of locating piece is straight
Diameter is identical.As shown in Fig. 3-3 and Fig. 3-4, the snap ring includes the annular being successively coaxially disposed with the nickel-titanium alloy material section 1
Slot 64 and retaining ring 65, the retaining ring 65 is equipped with the slot 66 cooperated with the locating piece 63, so that locating piece 63 can be inserted
And it is fixed.The diameter at butt end of rotary table 62 is more smaller than the diameter of 2 part of low-carbon alloy steel section, to facilitate low-carbon alloy steel section 2 embedding
Enter to the snap ring of nickel-titanium alloy material section 1.The clamp is embedded in the snap ring, to make the low-carbon alloy steel section 2
It is connect with nickel-titanium alloy material section 1, as shown in Figure 4.Since nickel-titanium alloy material section 1 has certain elasticity, it is ensured that low-carbon closes
The insertion of golden steel section 2, and the rotary table 62 of the microcephaly of the connection of low-carbon alloy steel section 2 end setting outwardly can guarantee low-carbon alloy steel
Section 2 is not pulled out, and forms means for mounting coupling parts.
The way of the means for mounting coupling parts in the present invention may is that being located at and Nitinol material in low-carbon steel alloy section 2
Expect that clamp is arranged in the connecting pin of section 1, i.e., process the rotary table 62 of microcephaly outwardly in the end, then adds inside in rotary table 62
Work goes out one section short neck 61.Snap ring is processed at the both ends of nickel-titanium alloy material section 1, the processing of snap ring is in nickel-titanium alloy material section 1
End process annular groove 64, the outer side of annular groove 64 is a circle retaining ring 65.Due to low-carbon steel alloy section to be limited 2 with
Therefore position limiting structure is arranged, specific practice is, in card in relative rotation between nickel-titanium alloy material section 1 at clamp and snap ring
Connect on the external rotary surface of the short neck 61 of head and between the step surface and rotary table 62 of 61 one end of short neck of low-carbon steel alloy section 2
Connect one piece of locating piece 63；A slot 66 is processed on the retaining ring 65 of snap ring, the slot 66 and the locating piece 63 cooperate；See
Fig. 3-1, Fig. 3-2, Fig. 3-3 and Fig. 3-4.
Original rigid bolt is changed to (the i.e. Nitinol material of section containing memory alloy material by self-replaced type bolt of the invention
Expect section) self-replaced type bolt, can guarantee can have more in the connection under geological process between section of jurisdiction using bolt of the present invention
Good durability.Self-replaced type bolt of the present invention improves the non-deformable bolt of traditional rigidity, introduces nickel-titanium alloy material, and
It is attached with low-carbon alloy steel bolt in a nesting relation.So that new bolt arrangement has the energy of certain resistance to deformation
Power.And guarantee when earthquake occurs, the section of jurisdiction junction in tunnel has certain deformation recovery capability.By nickel-titanium alloy material plus
Work is the arc cylindrical section comparable with plain bolt diameter, and is processed by Cutting Process by its both ends, and nested structure is formed.
Using self-replaced type bolt of the present invention to the absorption of seimic wave propagation, section of jurisdiction junction is made to have certain support
The ability of resistance to deformation, thus the integrality of protection path structure.The structure has the constructing tunnel of high intensity Zone relatively strong
Reference effect.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited to above-mentioned specific implementations
Mode, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to of the invention
Within protection.
Claims (4)
1. a kind of self-replaced type bolt for shield tunnel antidetonation, including bolt column, which is characterized in that the bolt column includes
The low-carbon alloy steel section (2) of intermediate nickel-titanium alloy material section (1) and both ends；The nickel-titanium alloy material section (1) and both ends
Low-carbon alloy steel section (2) is connected by means for mounting coupling parts (6)；
The nickel-titanium alloy material section (1) is diameter arc cylindrical section identical with the diameter of bolt or cylindrical section, and the NiTi closes
The component and its weight percentage of golden material segment (1) are 55.9% nickel, 44.1% titanium；
The low-carbon alloy steel section (2) is diameter cylindrical section identical with the diameter of bolt, one end of the low-carbon alloy steel section (2)
It is connect with the nickel-titanium alloy material section (1) by means for mounting coupling parts (6), the other end of the low-carbon alloy steel section (2) passes through spiral shell
Line is connected with nut (4).
2. being used for the self-replaced type bolt of shield tunnel antidetonation according to claim 1, which is characterized in that the Nitinol
When material segment (1) is cylindrical section, the length of the nickel-titanium alloy material section (1) is the length of 1/3 bolt column；The Nitinol
When material segment (1) is arc cylindrical section, the length of run of the nickel-titanium alloy material section (1) is the length of run of 1/3 bolt column.
3. being used for the self-replaced type bolt of shield tunnel antidetonation according to claim 1, which is characterized in that the Nitinol
It is set on material segment (1) rubber case (5), the length of the rubber case (5) is that the nickel-titanium alloy material section (1) is completely covered
And there are the surpluses of 2.5~3.5cm in the two sides of this section.
4. being used for the self-replaced type bolt of shield tunnel antidetonation according to claim 1, which is characterized in that the means for mounting coupling parts
(6) include setting in the clamp of low-carbon alloy steel section (2) end and the card in nickel-titanium alloy material section (1) end is set
Ring, the clamp include the rotary table (62) successively with the short neck (61) and small head end of low-carbon alloy steel section (2) coaxial arrangement outwardly,
The stub end for connecting the rotary table (62) and low-carbon alloy steel section (2) end are equipped on the external rotary surface of the short neck (61)
Locating piece (63)；The snap ring includes the annular groove (64) and retaining ring being successively coaxially disposed with the nickel-titanium alloy material section (1)
(65), the retaining ring (65) is equipped with the slot (66) cooperated with the locating piece (63)；The clamp is embedded in the snap ring
It is interior, so that the low-carbon alloy steel section (2) be made to connect with nickel-titanium alloy material section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083446.8A CN109764051A (en) | 2019-01-29 | 2019-01-29 | A kind of self-replaced type bolt for shield tunnel antidetonation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083446.8A CN109764051A (en) | 2019-01-29 | 2019-01-29 | A kind of self-replaced type bolt for shield tunnel antidetonation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764051A true CN109764051A (en) | 2019-05-17 |
Family
ID=66454514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910083446.8A Pending CN109764051A (en) | 2019-01-29 | 2019-01-29 | A kind of self-replaced type bolt for shield tunnel antidetonation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764051A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501541A (en) * | 1993-08-09 | 1996-03-26 | Gomes; Daniel | Flexible coupling device |
| US6296622B1 (en) * | 1998-12-21 | 2001-10-02 | Micrus Corporation | Endoluminal device delivery system using axially recovering shape memory material |
| JP2008095366A (en) * | 2006-10-11 | 2008-04-24 | Takenaka Komuten Co Ltd | Reinforcing method of wooden building structural material |
| CN103758532A (en) * | 2014-01-28 | 2014-04-30 | 华南理工大学 | Short-term driving reinforcing method for metro shield tunnel pipe piece joint |
| CN106592822A (en) * | 2016-11-10 | 2017-04-26 | 同济大学 | Self-resetting steel plate shear wall based on hyperelastic shape memory alloy screw |
| CN206338298U (en) * | 2016-12-20 | 2017-07-18 | 广东昶辉五金精密电子有限公司 | A kind of segmented self-tapping screw |
| CN107386439A (en) * | 2017-06-23 | 2017-11-24 | 东南大学 | Web friction-type shape-memory alloy rod Self-resetting steel-frame beam king post joint |
| CN109057145A (en) * | 2018-08-15 | 2018-12-21 | 山东大学 | A kind of Self-resetting coupling beam containing buckling-restrained shape memory alloy bar material |
-
2019
- 2019-01-29 CN CN201910083446.8A patent/CN109764051A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501541A (en) * | 1993-08-09 | 1996-03-26 | Gomes; Daniel | Flexible coupling device |
| US6296622B1 (en) * | 1998-12-21 | 2001-10-02 | Micrus Corporation | Endoluminal device delivery system using axially recovering shape memory material |
| JP2008095366A (en) * | 2006-10-11 | 2008-04-24 | Takenaka Komuten Co Ltd | Reinforcing method of wooden building structural material |
| CN103758532A (en) * | 2014-01-28 | 2014-04-30 | 华南理工大学 | Short-term driving reinforcing method for metro shield tunnel pipe piece joint |
| CN106592822A (en) * | 2016-11-10 | 2017-04-26 | 同济大学 | Self-resetting steel plate shear wall based on hyperelastic shape memory alloy screw |
| CN206338298U (en) * | 2016-12-20 | 2017-07-18 | 广东昶辉五金精密电子有限公司 | A kind of segmented self-tapping screw |
| CN107386439A (en) * | 2017-06-23 | 2017-11-24 | 东南大学 | Web friction-type shape-memory alloy rod Self-resetting steel-frame beam king post joint |
| CN109057145A (en) * | 2018-08-15 | 2018-12-21 | 山东大学 | A kind of Self-resetting coupling beam containing buckling-restrained shape memory alloy bar material |
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