CN204113301U - Big cross section rectangular top pipe tube coupling - Google Patents
Big cross section rectangular top pipe tube coupling Download PDFInfo
- Publication number
- CN204113301U CN204113301U CN201420409650.7U CN201420409650U CN204113301U CN 204113301 U CN204113301 U CN 204113301U CN 201420409650 U CN201420409650 U CN 201420409650U CN 204113301 U CN204113301 U CN 204113301U
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- China
- Prior art keywords
- alignment pin
- tube coupling
- pipe joints
- jacking
- ring
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of big cross section rectangular top pipe tube coupling, comprise female end, socket end, injected hole, thixotropic slurry mud jacking hole, external surface waterproof construction and tube coupling syndeton, described jacking pipe joints circumference is arranged at intervals with injected hole and thixotropic slurry mud jacking hole, the equal radial through tube wall of described injected hole and thixotropic slurry mud jacking hole, the top of described jacking pipe joints is arch, the corner, cross section of described tube coupling is circular arc chamfering structure, described external surface waterproof construction comprises socket joint steel ring, two waterproofing protection steel rings and two elastic water-proof sealing rings, described tube coupling syndeton comprises alignment pin and alignment pin cap, the utility model reduces or avoids jacking pipe joints generation misalignment, anti-back effect strengthens, water resistance improves, extend the application life of tube coupling, guarantee that the motor vehicle in tunnel utilizing jacking pipe joints to construct has enough bearing capacities, water-proof function and anti-tube coupling dislocation performance.
Description
Technical field
The utility model relates to underground construction engineering field, especially relates to the jacking pipe joints during construction of big cross section rectangular pipe jacking machine, can be applicable in the push-bench construction in the underground tunnel project of other structure such as town road, railway or river course.
Background technology
Along with the development of domestic underground construction, current walkway, subway access and street underground pedestrian passageway more and more adopt push-bench to construct, and at present, in the construction of big cross section rectangular pipe jacking machine, jacking pipe joints used is right angle corner, bearing capacity pin.The waterproof construction of push pipe joint portion is simple, easily occurs drainage, affects the normal use in tunnel.Need between jacking pipe joints to connect, to ensure the globality of extruding force between tube coupling, tube coupling and to prevent tube coupling from falling back.The mode connected between current jacking pipe joints has: 1. weldering is drawn: namely at tunnel internal tube coupling joint pre-embedded steel slab, tube coupling is assembled complete after, then adopt steel plate to carry out being welded to connect adjacent tube coupling.But weldering draws connected mode to produce higher temperature in welding process, and easily make tube coupling concrete burst, a large amount of weld seams need weld in time assembled the completing of tube coupling, cause tube coupling construction longer for circulation timei, the globality simultaneously between section of jurisdiction is general; 2. bolt connects: namely at tunnel internal tube coupling joint pre-embedded steel slab, then on pre-embedded steel slab, weld L-type steel plate, finally adopts bolt to connect.But bolt connecting mode site operation is more difficult, especially for big cross section pipe jacking tunnel, need simple and easy scaffold to assist during upper bolt connection construction, the shearing resistance simultaneously between tube coupling is less, and globality is poor; 3. prestress anchorage cable connect: namely at the upper bottom reserving hole of tube coupling, tube coupling is assembled complete after, in hole, wear anchor cable, Shi Hanzhang, make tube coupling connect into entirety.But prestress anchorage cable connected mode is by the restriction of length of prestress anchor cable, the shearing resistance simultaneously between tube coupling is poor.Above-mentioned three kinds of connected modes can play the effect of good anti-back and anti-differential settlement for pipe jacking tunnel normal constructions such as common People's Bank of China, water conservancy projects with when running, but during for big cross section pipe jacking tunnel or motorway pipe jacking tunnel, easily occur falling back and differential settlement in construction and operation process, need take appropriate measures when falling back and sedimentation is larger and prevent above-mentioned quality accident from occurring or expanding further, so not only affect the quantity of operation that construction speed also can affect tunnel simultaneously, delay work and mistake, thus cause time and double loss economically.
Summary of the invention
In order to better solve problem existing in above-mentioned prior art, the utility model provides a kind of big cross section rectangular top pipe tube coupling.
In order to realize above-mentioned utility model object, the technical solution of the utility model is: a kind of big cross section rectangular top pipe tube coupling, comprise female end, socket end, injected hole, thixotropic slurry mud jacking hole, external surface waterproof construction and tube coupling syndeton, described female end outer surface is provided with ring Zhou Taijie mono-, described ring Zhou Taijie mono-external diameter is less than jacking pipe joints external diameter, the external peripheral surface of described socket end is provided with ring Zhou Taijie bis-and ring Zhou Taijie tri-successively, the external diameter of ring Zhou Taijie bis-is less than the external diameter of ring Zhou Taijie tri-and is all less than jacking pipe joints external diameter, described jacking pipe joints circumference is arranged at intervals with injected hole and thixotropic slurry mud jacking hole, the equal radial through tube wall of described injected hole and thixotropic slurry mud jacking hole, the top of described jacking pipe joints is arch, the corner, cross section of described tube coupling is circular arc chamfering structure, described external surface waterproof construction comprises socket joint steel ring, two waterproofing protection steel rings and two elastic water-proof sealing rings, described socket joint steel ring is arranged on the outer surface also axial end face stretching out female end of described jacking pipe joints bellmouth end ring Zhou Taijie mono-, the total length that socket joint steel ring stretches out the length of female end end face and the ring Zhou Taijie bis-of socket end and ring Zhou Taijie tri-matches, described two waterproofing protection steel rings and two elastic water-proof sealing rings are disposed on the outer surface of described jacking pipe joints socket end ring Zhou Taijie bis-, the socket joint steel ring compression fit of described elastic water-proof sealing ring and adjacent jacking pipe joints female end, ring Zhou Taijie bis-is for plugging with the socket joint steel ring of adjacent jacking pipe joints female end, described tube coupling syndeton comprises alignment pin and alignment pin cap, alignment pin cap one_to_one corresponding to be arranged in jacking pipe joints female end and socket end end-face wall and to be opened on end face, and adjacent jacking pipe joints female end alignment pin cap and socket end alignment pin cap one_to_one corresponding mating with alignment pin uses.
The utility model big cross section rectangular top pipe tube coupling, wherein, the inner surface of described alignment pin cap is provided with zigzag internal thread, described zigzag internal thread bears the rightabout of pressure face at tube coupling end face, and described alignment pin external surface is provided with the alignment pin cap of facing the wall and meditating interior with two ends and mates the zigzag external screw thread used.
The utility model big cross section rectangular top pipe tube coupling, wherein, the end opposite of described alignment pin cap openend is provided with locating hole, described alignment pin cap is made up of engineering plastics, described alignment pin comprises center steel column and zigzag outer wall, described steel column is located at the center also axial through alignment pin of alignment pin, and described zigzag outer wall is made up of engineering plastics; Described engineering plastics can be any one in polyamide, Merlon, polyformaldehyde, ABS resin, polytetrafluoroethylene (PTFE), polyester, polysulfones, polyimides.
The utility model big cross section rectangular top pipe tube coupling, wherein, the cross sectional shape of described alignment pin cap is the horn-like of from inside to outside flaring, and described alignment pin is along vertically also respectively with adjacent jacking pipe joints female end with the alignment pin cap of faucet section mate symmetrical with axial center line uses.
The utility model big cross section rectangular top pipe tube coupling, wherein, the external surface of described alignment pin cap is provided with ring week fin.
The utility model big cross section rectangular top pipe tube coupling, wherein, described syndeton is arranged in the middle part of jacking pipe joints wall end face, and number is 2,4,6 or 8.
The utility model big cross section rectangular top pipe tube coupling, wherein, described jacking pipe joints also comprises the end face waterproof construction being arranged on tube coupling end face, described end face waterproof construction comprises gasket slot, elastic sealing gasket and cork backing plate, described gasket slot is arranged on female end and faces the wall and meditates interior and be opened on end face, described elastic sealing gasket is arranged in gasket slot, and the end face that described cork backing plate is arranged on female end disconnects in gasket slot and alignment pin cap place;
The utility model big cross section rectangular top pipe tube coupling, wherein, described elastic water-proof sealing ring is made up of rubber;
The utility model has actively useful technique effect:
1, the big cross section rectangular top pipe tube coupling in the utility model can reduce or avoid jacking pipe joints that the situation of dislocation occurs.The syndeton that the utility model alignment pin and alignment pin cap coupling use, in jacking pipe joints jacking construction and in operation use, syndeton plays larger positioning function, thus ensures that tube coupling inconsistent phenomenon does not occur.
2, the big cross section rectangular top pipe tube coupling anti-back effect in the utility model strengthens.The utility model alignment pin and alignment pin cap saw-tooth thread with the use of, make to form self-locking structure between jacking pipe joints, thus prevent tube coupling from retreating, improve the globality between tube coupling, enhance the shearing resistance between tube coupling, reach the effect of anti-differential settlement.
3, the big cross section rectangular top pipe tube coupling water resistance in the utility model improves.External surface waterproof construction of the present utility model and the acting in conjunction of end face waterproof construction, make the water resistance of jacking pipe joints greatly improve, thus extend the application life of jacking pipe joints.
4, the big cross section rectangular top pipe tube coupling supporting capacity in the utility model strengthens.Arch top of the present utility model and circular arc chamfering, make the supporting capacity of jacking pipe joints strengthen, thus make the further increasing of jacking pipe joints size become possibility.
5, the big cross section rectangular top pipe tube coupling structure in the utility model is simple, manufactures and easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view after the utility model removes socket joint steel ring and waterproof construction;
Fig. 3 is the sectional view removed after waterproof construction in A-A direction in Fig. 1;
Fig. 4 is the structural representation at joints of segment place before and after push pipe;
Fig. 5 is the longitudinal sectional view of alignment pin;
Fig. 6 is the longitudinal sectional view of alignment pin cap;
Fig. 7 is A portion enlarged drawing in Fig. 4.
In the drawings, female end 1, socket end 2, injected hole 3; thixotropic slurry mud jacking hole 4, ring Zhou Taijie 1, ring Zhou Taijie 26, ring Zhou Taijie 37; socket joint steel ring 8, waterproofing protection steel ring 9, elastic water-proof sealing ring 10, alignment pin 11; alignment pin cap 12, saw-tooth thread 13, locating hole 14, fin 15; cork backing plate 16, gasket slot 17, elastic sealing gasket 18, keeper 19; steel column 20, outer wall 21, extrusion chamber 22.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, further detailed description is done to the big cross section rectangular top pipe tube coupling in the utility model.
A kind of big cross section rectangular top pipe tube coupling, see Fig. 1, Fig. 2, Fig. 3, comprise female end 1, socket end 2, injected hole 3, thixotropic slurry mud jacking hole 4, external surface waterproof construction and tube coupling syndeton, described female end 1 outer surface is provided with ring Zhou Taijie 1, described ring Zhou Taijie 1 external diameter is less than jacking pipe joints external diameter, the outer surface of described socket end 2 is provided with ring Zhou Taijie 26 and ring Zhou Taijie 37 successively, the external diameter of ring Zhou Taijie 26 is less than the external diameter of ring Zhou Taijie 37 and is all less than jacking pipe joints external diameter, described jacking pipe joints circumference is arranged at intervals with injected hole 3 and thixotropic slurry mud jacking hole 4, the equal radial through tube wall of described injected hole 3 and thixotropic slurry mud jacking hole 4, the top of described jacking pipe joints is arch, the corner, cross section of described tube coupling is circular arc chamfering structure, described waterproof construction comprises socket joint steel ring 8, two waterproofing protection steel rings 9 and two elastic water-proof sealing rings 10, described socket joint steel ring 8 is arranged on the outer surface also axial end face stretching out female end 1 of described jacking pipe joints female end 1 ring Zhou Taijie 1, the total length that socket joint steel ring 8 stretches out the length of female end 1 end face and the ring Zhou Taijie 26 of socket end 2 and ring Zhou Taijie 37 matches, described two waterproofing protection steel rings 9 and two elastic water-proof sealing rings 10 are disposed on the external peripheral surface of described jacking pipe joints socket end 2 ring Zhou Taijie 26, socket joint steel ring 8 compression fit of elastic water-proof sealing ring 10 and adjacent jacking pipe joints female end 1, ring Zhou Taijie 37 is for plugging with the socket joint steel ring 8 of adjacent jacking pipe joints female end 1, described elastic water-proof sealing ring 10 is rubber ring.
See Fig. 1, Fig. 4, Fig. 5, Fig. 6, the syndeton of the utility model big cross section jacking pipe joints comprises alignment pin 11 and alignment pin cap 12, alignment pin cap 12 one_to_one corresponding to be arranged in jacking pipe joints female end 1 and socket end 2 end-face wall and to be opened on end face, and adjacent jacking pipe joints female end 1 alignment pin cap and socket end 2 alignment pin cap 12 one_to_one corresponding mating with alignment pin 11 uses;
The inner surface of described alignment pin cap 12 is provided with saw-tooth thread 13, described zigzag internal thread bears the rightabout of pressure face at tube coupling end face, and described alignment pin 11 external surface is provided with the alignment pin cap 12 of facing the wall and meditating interior with adjacent both ends and mates the saw-tooth thread 13 used;
The end opposite of described alignment pin cap 12 openend is provided with locating hole 14, the keeper 19 be positioned in jacking pipe joints wall is provided with in locating hole, described alignment pin cap 12 is made up of engineering plastics, described alignment pin comprises center steel column 20 and zigzag outer wall 21, described steel column 20 is located at the center also axial through alignment pin 11 of alignment pin 11, and described zigzag outer wall 21 is made up of engineering plastics
,engineering plastics can be any one in polyamide, Merlon, polyformaldehyde, ABS resin, polytetrafluoroethylene (PTFE), polyester, polysulfones, polyimides.
The shape of described alignment pin cap 12 is the horn-like of from inside to outside flaring, with jacking direction for front, otherwise be rear, described alignment pin 11 mates with the alignment pin cap 12 of socket end 2 with adjacent jacking pipe joints female end 1 along vertical respectively use with axial center line symmetry.
The external surface of described alignment pin cap 12 is provided with ring week fin 15, and alignment pin cap can not be deviate from jacking pipe joints wall.
Described syndeton is arranged in the middle part of jacking pipe joints wall end face, and each end face syndeton number is 6, also can be 2,4 or 8.
See Fig. 4, described jacking pipe joints also comprises the end face waterproof construction being arranged on tube coupling end face, described jacking pipe joints also comprises the end face waterproof construction being arranged on tube coupling end face, described end face waterproof construction comprises gasket slot 17, elastic sealing gasket 18 and cork backing plate 16, described gasket slot 17 is arranged circumferentially faces the wall and meditates interior at female end and is opened on end face, described elastic sealing gasket 18 is arranged in gasket slot, the end face that described cork backing plate 16 is arranged on female end disconnects in gasket slot 17 and alignment pin cap 12 place, described elastic sealing gasket is provided with extrusion chamber 22, add the elasticity of elastic sealing gasket, waterproof effect is strengthened.
The invention also discloses the construction method using above-mentioned big cross section rectangular top pipe tube coupling, the method comprises the steps:
(1) jacking pipe joints is transported to job site;
(2) be, before lifting, two elastic water-proof sealing rings 10 are pasted onto ring Zhou Taijie 26 place, use fluid sealant to carry out encapsulation process to gap; Cork backing plate 16 is pasted onto on female end 1 end face of jacking tube coupling, elastic sealing gasket 18 is pasted onto in gasket slot 17; Alignment pin 11 one end is inserted in the alignment pin cap 12 of female end or socket end;
(3) be lifting tube coupling, with jacking direction for front, otherwise be rear, tube coupling placement direction is that female end 1 is positioned at jacking rear, and socket end 2 is positioned at jacking front, allows alignment pin cap 12 one_to_one corresponding of alignment pin 11 and adjacent jacking pipe joints;
(4) be jacking construction, socket joint steel ring 8 compression fit of elastic water-proof sealing ring 10 and adjacent jacking pipe joints female end 1, ring Zhou Taijie 37 plugs with the socket joint steel ring 8 of adjacent jacking pipe joints female end 1, the end face waterproof construction of female end 1 and adjacent tube coupling socket end face press seal, the alignment pin 11 of adjacent tube coupling and alignment pin cap 12 jacking locking, thus tube coupling and tube coupling are sealed be fixed together.
(5) be after jacking construction, with fluid sealant, encapsulation process carried out to tube coupling radially inner side seam.
Claims (8)
1. a big cross section rectangular top pipe tube coupling, is characterized in that: comprise female end, socket end, injected hole, thixotropic slurry mud jacking hole, external surface waterproof construction and tube coupling syndeton, described female end outer surface is provided with ring Zhou Taijie mono-, described ring Zhou Taijie mono-external diameter is less than jacking pipe joints external diameter, the outer surface of described socket end is provided with ring Zhou Taijie bis-and ring Zhou Taijie tri-successively, and the external diameter of ring Zhou Taijie bis-is less than the external diameter of ring Zhou Taijie tri-and is all less than jacking pipe joints external diameter, be arranged at intervals with injected hole and thixotropic slurry mud jacking hole along described jacking pipe joints ring circumference, the equal radial through tube wall of described injected hole and thixotropic slurry mud jacking hole, the top of described jacking pipe joints is arch, and the corner, cross section of described tube coupling is circular arc chamfering structure, described external surface waterproof construction comprises socket joint steel ring, two waterproofing protection steel rings and two elastic water-proof sealing rings, described socket joint steel ring is arranged on the outer surface of described jacking pipe joints bellmouth end ring Zhou Taijie mono-, and the end face of female end is axially stretched out along tube coupling, the total length that socket joint steel ring stretches out the length of female end end face and the ring Zhou Taijie bis-of socket end and ring Zhou Taijie tri-matches, described two waterproofing protection steel rings and two elastic water-proof sealing rings are disposed on the outer surface of described jacking pipe joints socket end ring Zhou Taijie bis-, the socket joint steel ring compression fit of described elastic water-proof sealing ring and adjacent jacking pipe joints female end, ring Zhou Taijie bis-is for plugging with the socket joint steel ring of adjacent jacking pipe joints female end, described tube coupling syndeton comprises alignment pin and alignment pin cap, each alignment pin cap one_to_one corresponding to be arranged in jacking pipe joints female end and socket end end-face wall and to be opened on end face, and adjacent jacking pipe joints female end alignment pin cap and socket end alignment pin cap one_to_one corresponding mating with alignment pin uses.
2. big cross section rectangular top pipe tube coupling as claimed in claim 1, it is characterized in that: be provided with zigzag internal thread at the inner surface of described alignment pin cap, described zigzag internal thread bears the rightabout of pressure face and tube coupling end face, and described alignment pin external surface is provided with the alignment pin cap of facing the wall and meditating interior with adjacent both ends and mates the zigzag external screw thread used.
3. big cross section rectangular top pipe tube coupling as claimed in claim 1, it is characterized in that: the end opposite of described alignment pin cap openend is provided with locating hole, described alignment pin cap is made up of engineering plastics, described alignment pin comprises center steel column and zigzag outer wall, described steel column is located at the center also axial through alignment pin of alignment pin, and described zigzag outer wall is made up of engineering plastics.
4. the big cross section rectangular top pipe tube coupling as described in claim 1,2 or 3, it is characterized in that: described alignment pin cap is the horn-like of from inside to outside flaring, with jacking direction for front, otherwise be rear, before and after described alignment pin, two parts are symmetrical along center line perpendicular to axial direction, and mate with the alignment pin cap of faucet section with adjacent jacking pipe joints female end respectively and use.
5. the big cross section rectangular top pipe tube coupling as described in claim 1,2 or 3, is characterized in that: the external surface of described alignment pin cap is provided with ring week fin.
6. the big cross section rectangular top pipe tube coupling as described in claim 1,2 or 3, is characterized in that: described syndeton is arranged in the middle part of jacking pipe joints wall end face, and each end face syndeton number is 2,4,6 or 8.
7. big cross section rectangular top pipe tube coupling as claimed in claim 1, it is characterized in that: described jacking pipe joints also comprises the end face waterproof construction being arranged on tube coupling end face, described end face waterproof construction comprises gasket slot, elastic sealing gasket and cork backing plate, described gasket slot is arranged circumferentially faces the wall and meditates interior at female end and is opened on end face, described elastic sealing gasket is arranged in gasket slot, and the end face that described cork backing plate is arranged on female end disconnects in gasket slot and alignment pin cap place.
8. big cross section rectangular top pipe tube coupling as claimed in claim 1, is characterized in that: described elastic water-proof sealing ring is made up of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409650.7U CN204113301U (en) | 2014-07-24 | 2014-07-24 | Big cross section rectangular top pipe tube coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409650.7U CN204113301U (en) | 2014-07-24 | 2014-07-24 | Big cross section rectangular top pipe tube coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113301U true CN204113301U (en) | 2015-01-21 |
Family
ID=52330625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409650.7U Expired - Fee Related CN204113301U (en) | 2014-07-24 | 2014-07-24 | Big cross section rectangular top pipe tube coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234721A (en) * | 2014-07-24 | 2014-12-24 | 中铁隧道集团有限公司 | Large-section rectangular pipe jacking pipe section and butt jointing construction method thereof |
| CN104976424A (en) * | 2015-05-15 | 2015-10-14 | 中铁二局股份有限公司 | Anchor cable construction method for rectangular top pipe joint connecting and strengthening |
-
2014
- 2014-07-24 CN CN201420409650.7U patent/CN204113301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234721A (en) * | 2014-07-24 | 2014-12-24 | 中铁隧道集团有限公司 | Large-section rectangular pipe jacking pipe section and butt jointing construction method thereof |
| CN104976424A (en) * | 2015-05-15 | 2015-10-14 | 中铁二局股份有限公司 | Anchor cable construction method for rectangular top pipe joint connecting and strengthening |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |