CN207377564U - A kind of pipe ring butt joint auxiliary device - Google Patents
A kind of pipe ring butt joint auxiliary device Download PDFInfo
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- CN207377564U CN207377564U CN201721454436.3U CN201721454436U CN207377564U CN 207377564 U CN207377564 U CN 207377564U CN 201721454436 U CN201721454436 U CN 201721454436U CN 207377564 U CN207377564 U CN 207377564U
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- face
- pipe ring
- butt joint
- shield
- auxiliary device
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Abstract
The utility model is related to a kind of pipe ring butt joint auxiliary devices, belong to shield tunnel project field.The device includes several guidance units being arranged between two pipe rings docking end faces and several positioning units being located therein on the pipe ring end face of one side, it sets and shield tail brush is equipped on the outside of the pipe ring of positioning unit, the guidance unit includes guiding body, and guiding body one end is equipped with lead-in chamfered；The positioning unit includes sequentially connected first face, the second face and the 3rd face, and first face and the 3rd face perpendicular to the second face, wherein, side of an end is equipped with positioning bolt connecting portion, second face is equipped with positioning bolt connecting hole, and the 3rd face is equipped with the locating slot with guidance unit form fit.The utility model solves the problems, such as the docking of secondary assembled pipe ring, and then whole replacements can be carried out to shield tail brush.
Description
Technical field
The utility model is related to a kind of butt joint auxiliary device, especially a kind of pipe ring butt joint auxiliary device belongs to shield tunnel
Road engineering field.
Background technology
With the development of Chinese Urbanization construction, extensive use of the shield method in subway, more river tunnel over strait, therefore
The problem of being run into shield-tunneling construction is also more and more prominent, and the secondary assembled docking of the wherein replacement of shield tail brush and pipe ring is that shield is applied
Difficult point in work.
Shield machine continuously promotes through long-distance or since hand grease smears quality, for the first time grease-filled amount, synchronous note
The control of slurry pressure, synchronous grease injection control the i.e. quality controls such as gap of the shield tail not in place or misoperation factor, may cause
Enter grouting behind shaft or drift lining slurries in cavity between twice shield tail brush, the inordinate wear of ventral brush is caused after curing, so as to cause shield tail
Brush failure.
In order to ensure being smoothed out and safely, must just being replaced to impaired shield tail brush for shield driving work.It is existing
Ventral brush replacing options be to fix ventral brush rear portion section of jurisdiction, forepart pipe ring remove after replace ventral brush, again by front tube after finishing changing
Ring is again assembled.The method can only replace 2 or 3 shield tail brushes before in shield shell, can not replace all shield tail brushes, and more
Process complexity is changed, the construction time is long, it is also necessary to set specific forepart pipe ring.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of pipe ring butt joint auxiliary device, by shield
The first pipe ring in shell is all released, and then replaces shield tail brush, after the completion for the treatment of exchanging shield ventral brush, assembled second pipe ring in shield shell
And release the second pipe ring, it is docked with the first pipe ring, ensures being smoothed out and safety for shield driving work.The utility model is adopted
With following technical solution：
A kind of pipe ring butt joint auxiliary device including several guidance units being arranged between two pipe ring docking end faces and is arranged on
Several positioning units wherein on one side pipe ring end face set and shield tail brush are equipped on the outside of the pipe ring of positioning unit, and the guiding is single
Member includes guiding body, and guiding body one end is equipped with lead-in chamfered；The positioning unit includes sequentially connected first face, second
Face and the 3rd face, and the first face and the 3rd face be perpendicular to the second face, wherein, side of an end is equipped with positioning bolt connecting portion, the
Two faces are equipped with positioning bolt connecting hole, and the 3rd face is equipped with the locating slot with guidance unit form fit.
Further, several guidance units and positioning unit are distributed in the middle part and bottom at pipe ring both ends, middle part and bottom
Adjacent guidance unit and positioning unit between with the angle in the pipe ring center of circle be 22.5 °.
Further, guiding body one end cross section of guidance unit is more than other end cross section, and from one end to first
Length distance, guiding body cross-section is constant, and from the first length distance to the other end, cross section is gradual from top and two side directions
Convergence.
Further, the body other end is guided to be equipped with guide plane, guide plane is connected with lead-in chamfered.
Further, shield tail brush receptacle is additionally provided in lead-in chamfered.
Further, positioning bolt connecting portion and the first face are in a certain angle, and the 3rd face length is less than the first face.
Further, guidance unit one end is highly approximately equal to pipe ring extrados to the distance of excavation face, and other end height is about
Equal to shield thickness of the shell, and other end sets shield tail brush.
Compared with prior art, the utility model has the advantages that：
The utility model realizes the Dock With Precision Position of pipe ring by setting guide device and positioner in pipe ring end face,
It solves the problems, such as the docking of secondary assembled pipe ring after the pipe ring in shield the shell all whole shield tail brushes of release replacement, and then can be to shield
Ventral brush carries out whole replacements.The utility model also can be widely used to it is a variety of in the case of in shield driving excessively since shield tail brush seals
In the shield-tunneling construction that shield tail brush is needed to change after failure.Shield is particularly suitable for apply in hollow push away of long-distance hard rock section Mining Method tunnel
Work, the damage of shield tail brush is serious, all releases the pipe ring in shield shell before shield will enter excavation operation and replaces shield tail brush
Situation；In addition the exchanging shield ventral brush under low hydraulic pressure environment is applied also for.
Description of the drawings
Fig. 1 is the structure diagram of the pipe ring butt joint auxiliary device of the utility model；
Fig. 2 be Fig. 1 in C to structure diagram；
Fig. 3 is the structure diagram of the guide device of the utility model；
Fig. 4 is the top view of Fig. 3；
Fig. 5 be Fig. 3 in A to structure diagram；
Fig. 6 be Fig. 3 in B to structure diagram；
Fig. 7 is the structure diagram that the pipe ring butt joint auxiliary device of the utility model is arranged on pipe ring；
In Fig. 8,（a）For pipe ring in shield shell is assembled water blocking slurries schematic diagram is injected with shield tail；（b）For the pipe ring in shield shell
Release shield tail, exchanging shield ventral brush and guide device installation；（c）For release after assembled pipe ring in shield shell and guider installation；（d）
It releases and docks for pipe ring.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, the technical solution in the present embodiment is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the example to a part of example of the utility model rather than whole.Base
Embodiment in the utility model, the institute that those of ordinary skill in the art are obtained under the premise of not making the creative labor
There is other embodiment, shall fall within the protection scope of the present invention.
As shown in figs. 1-7, the pipe ring butt joint auxiliary device of the present embodiment is right including being arranged on the first pipe ring 1 and the second pipe ring 6
Several guidance units 5 between contact surface and several positioning units 8 on 6 end face of the second pipe ring, 6 outside of the second pipe ring are set
There is shield tail brush 3, guidance unit 5 includes guiding body, and guiding body one end is equipped with lead-in chamfered；Positioning unit 8 includes connecting successively
The first face 14, the second face and the 3rd face 15 connect, and the first face 14 and the 3rd face 15 be perpendicular to the second face, wherein, the first face 14
One end is equipped with the connecting portion 13 of positioning bolt 11, and the second face is equipped with positioning bolt connecting hole R16, and the 3rd face 15 is equipped with drawing
Lead the locating slot of 5 form fit of unit.The high 425cm of positioning unit, 14 length of the first face be 230cm, the second Middle face both ends to
Interior convergence so that the first face width is less than the 3rd face, and the locating slot in the 3rd face is trapezoidal, top margin long 200cm, bottom side length 250cm,
Guidance unit 5 is contacted with top margin.The connecting portion 13 of positioning bolt and the first face 14 are in a certain angle, the connecting portion 13 of positioning bolt
Can be hinge of leaf spring, using the connection bolt 12 of section of jurisdiction longitudinal bolt processing and mounted on longitudinally connected bolt hand hole position
Hinge of leaf spring 13 is fixed, one end welding of the first face 14 and steel plate ear 13.
As shown in fig. 7, several guidance units and positioning unit are distributed in the middle part and bottom at pipe ring both ends, on both sides of the middle is each
2 are set, bottom sets 3, and the angle between middle part and the adjacent guidance unit and positioning unit of bottom with the pipe ring center of circle is
22.5°。
As in Figure 3-5, guiding body one end cross section of guidance unit is more than other end cross section, and from one end to the
One length distance, guiding body cross-section is constant, and top is guide plane 5.1, and guide plane is connected with lead-in chamfered 5.2, from
First length distance to the other end, from top and two side directions gradually restrain by cross section.Shield tail brush is additionally provided in lead-in chamfered 5.2
Receptacle 5.3, shield tail brush receptacle 5.3 is identical with the angle of horizontal plane with the angle and lead-in chamfered 5.2 of horizontal plane, and shield tail
Brush receptacle 5.3 is in plane, highly less than lead-in chamfered 5.2.
Guidance unit length L1=800mm, one end height H2 are approximately equal to pipe ring extrados to the distance of excavation face, the other end
Height H1 is approximately equal to shield thickness of the shell, and other end sets shield tail brush, and the horizontal length of shield tail brush receptacle 5.3 is L2, L2
With the similar length of shield tail brush.Guide device 5 and positioner 8 are welded using steel plate.
Such as Fig. 1 and 8（a）-（d）It is shown, the replacement shield tail brush using above-mentioned pipe ring butt joint auxiliary device of the present embodiment
Method, by realizing the docking of pipe ring in pipe ring end assembly guiding structure 5 and guider 8.During exchanging shield ventral brush
First in pipe ring end assembly guiding structure, installed again after last one of shield tail brush is released in pipe ring end face again assembled in shield shell
Guider by guide device 5 and the collective effect of positioner 8, realizes the docking of pipe ring.Specifically comprise the following steps：
Step（1）, attitude of shield machine and gap of the shield tail, and assembled first pipe ring in shield shell are adjusted in shield tunneling process
1, bolt connecting hole 17 is left on the first pipe ring 1；
Step（2）, water-resisting property slurries 4 are injected by the injected hole of shield tail rear tube on piece and the injected hole on shield body periphery；
Step（3）, using propelling cylinder 2 and auxiliary push-rod 9 the first pipe ring 1 in shield shell is all released into shield shells, until
Stop promoting during the distance about 800mm of 1 threshold value shield tail of the first pipe ring；
Step（4）, check and replace the whole shield tail brushes 3 for being located at the outside of the first pipe ring 1, meanwhile, according to the first pipe ring 1
The position assembly guiding structure 5 of link bolt hole 17, wherein, guide device 5 is set along excavation face, and one end abuts the first pipe ring 1,
Other end is to shield tail brush 3；
Step（5）, shield tail brush 3 replace after installation is complete, first carry out the smearing work of shield tail brush hand grease, treat hand oiling
After fat acceptance(check), build-up area domain in section of jurisdiction utilizes shield machine segment assembling machine again assembled second pipe ring 6 in shield shell；Second pipe
After the assembled cyclization of ring 6, stop after the second pipe ring 6 is slowly released about 600mm backward using shield machine thrust oil cylinder assembly pattern
It promotes, then assembled 3rd pipe ring 7 again；
Step（6）, treat 7 assembly of the 3rd pipe ring after the completion of, using shield machine thrust oil cylinder assembly pattern by 6 He of the second pipe ring
3rd pipe ring 7 is slowly released backward, until 6 end face of the second pipe ring stops releasing when releasing last one of shield tail brush about 100mm；
Step（7）, according to the end surface shape of the second pipe ring 6 and the position of bolt hole 11, installed on 6 end face of the second pipe ring
Positioner 8 installs 7 guiders altogether, and Fig. 7 is seen in the design and installation position of guider；
Step（8）, device to be positioned 8 all installation is complete and acceptance(check) after, start propelling cylinder and continue release second
Pipe ring 6 when the distance of 6 end face of the second pipe ring and 1 end face of the first pipe ring reaches 6~8cm, stops promoting, removes guider
8；
Step（9）, after guider 8 removes, continue to release the second pipe ring 6, until 6 end face of the second pipe ring and the first pipe ring
1 end face is docked, and the first pipe ring 1 is corresponding with the bolt hole 11 of the second pipe ring 6, then installs longitudinally connected bolt；
Step（10）, complete shield tail brush replacement and pipe ring docking whole work, shield machine recovers normal construction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of pipe ring butt joint auxiliary device, it is characterised in that：Including several guiding being arranged between two pipe ring docking end faces
Unit and several positioning units being located therein on the pipe ring end face of one side set and shield tail brush are equipped on the outside of the pipe ring of positioning unit,
The guidance unit includes guiding body, and guiding body one end is equipped with lead-in chamfered；The positioning unit includes sequentially connected
First face, the second face and the 3rd face, and the first face and the 3rd face be perpendicular to the second face, wherein, side of an end is equipped with positioning spiral shell
Socket part is tethered, the second face is equipped with positioning bolt connecting hole, and the 3rd face is equipped with the locating slot with guidance unit form fit.
2. pipe ring butt joint auxiliary device according to claim 1, it is characterised in that：Several guidance units and positioning unit point
It is distributed in the middle part and bottom at pipe ring both ends, the folder between middle part and the adjacent guidance unit and positioning unit of bottom with the pipe ring center of circle
Angle is 22.5 °.
3. pipe ring butt joint auxiliary device according to claim 1, it is characterised in that：Guiding body one end of guidance unit is horizontal
Section is more than other end cross section, and from one end to the first length distance, guiding body cross-section is constant, from the first length distance
To the other end, cross section is gradually restrained from top and two side directions.
4. pipe ring butt joint auxiliary device according to claim 1, it is characterised in that：The body other end is guided to be equipped with guiding flat
Face, guide plane are connected with lead-in chamfered.
5. pipe ring butt joint auxiliary device according to claim 3, it is characterised in that：Shield tail brush is additionally provided in lead-in chamfered to connect
Receive portion, shield tail brush receptacle height is less than lead-in chamfered.
6. pipe ring butt joint auxiliary device according to claim 1, it is characterised in that：Positioning bolt connecting portion is in the first face
Certain angle, the 3rd face length are less than the first face.
7. pipe ring butt joint auxiliary device according to claim 1, it is characterised in that：Guidance unit one end is highly approximately equal to pipe
Ring extrados is to the distance of excavation face, and the other end is highly approximately equal to shield thickness of the shell, and other end sets shield tail brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454436.3U CN207377564U (en) | 2017-11-03 | 2017-11-03 | A kind of pipe ring butt joint auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454436.3U CN207377564U (en) | 2017-11-03 | 2017-11-03 | A kind of pipe ring butt joint auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377564U true CN207377564U (en) | 2018-05-18 |
Family
ID=62334930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721454436.3U Active CN207377564U (en) | 2017-11-03 | 2017-11-03 | A kind of pipe ring butt joint auxiliary device |
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| Country | Link |
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| CN (1) | CN207377564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431610A (en) * | 2020-12-17 | 2021-03-02 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
-
2017
- 2017-11-03 CN CN201721454436.3U patent/CN207377564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431610A (en) * | 2020-12-17 | 2021-03-02 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
| CN112431610B (en) * | 2020-12-17 | 2022-09-06 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
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