CN201650307U - Connecting structure of longitudinal separation seams of segments of plastic pipeline for being assembled in soil - Google Patents
Connecting structure of longitudinal separation seams of segments of plastic pipeline for being assembled in soil Download PDFInfo
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- CN201650307U CN201650307U CN2010201647938U CN201020164793U CN201650307U CN 201650307 U CN201650307 U CN 201650307U CN 2010201647938 U CN2010201647938 U CN 2010201647938U CN 201020164793 U CN201020164793 U CN 201020164793U CN 201650307 U CN201650307 U CN 201650307U
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- junction plate
- jurisdiction
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- outer shroud
- slot
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Abstract
The utility model relates to a connecting structure of longitudinal separation seams of segments of a plastic pipeline for being assembled in soil, provides the support technique used after a tunnel boring machine travels forwards and matched with the pipeline tunneling technique, and belongs to the support field of trenchless underground pipeline. The connecting structure adopts the technical scheme that after an integral plastic pipe is cut into a plurality of segments in the cross section, two steel connecting plates are arranged on each of the inner and the outer two sides of the separation seam between two adjacent segments, holes are drilled on the connecting plates and the plastic pipe in corresponding positions, then bolts sequentially pass through the holes of the outer-ring connecting plates from the outside in, nuts are welded together with the outer-ring connecting plates, and then the connection of one splicing seam is formed. The connecting structure can be matched with the self-walking tunneling technique to realize the function of sharp turn making that cannot be realized in the prior art, not only can remarkably improve the bearing capacity of assembly-type plastic pipeline, but also can be installed conveniently, and in addition, the connecting structure is safe, convenient and efficient and can provide powerful guarantee for the support of the assembly-type plastic pipeline.
Description
Technical field
The utility model relates to the syndeton between the assembled plastic pipes section of jurisdiction in a kind of soil, for tunnel pipeline driving technology provides support technology after supporting development machine moves ahead, belongs to non-excavating underground pipe line supporting field.
Background technology
Present widely used no-excavation construction method such as shield method and pipe jacking method, all bears axial compression by means of supporting and protection structure tunnel piercing is moved ahead.Make the supporting and protection structure thickening, not only wasted material but also be not easy to construction.Make that the extensive use of no-excavation construction method is limited.The appearance of self-travel type tunnel pipeline construction technology and corresponding heading equipment will make that supporting and protection structure is more reasonable, enlarge the application of trenchless technology.
The non-excavation supporting method of tradition mainly comprises the assembly unit lining segment method of shield tunnel and the jacking tube method in push pipe tunnel.Wherein shield tunnel prefbricated tunnel lining structure is assembled into ring by some arc concrete pipe sheets, is formed by connecting one by one between will encircling and encircle again.The section of jurisdiction mainly is connected in the joint with longitudinal bolt or other modes by the hoop bolt with section of jurisdiction, ring and between encircling.What this worker's method adopted is concrete pipe sheet, is applicable to the excavation supporting of major diameter tunnel pipeline, and it is big that it has supporting and protection structure thickness, the cost height, and very flexible, shortcomings such as construction inconvenience can't satisfy the requirement of self-travel type driving technology to the supporting supporting in back.
The supporting supporting method in a kind of corresponding back has appearred at present at the set of tunneling construction technology of walking certainly, it is the assembled plastic pipes supporting method, this method is to be similar to the tube coupling that shield method cuts into the monolithic plastic conduit certain-length (being advisable with 300mm to 2000mm), again with this tube coupling edge direction parallel with conduit axis, (number is advisable with 3 to 6 circumferentially to be divided into some sections of jurisdiction at cross section, adopt even or inhomogeneous cutting apart), treat that self-travel type tunnel pipeline development machine moves ahead in soil after, in supporting tube thereafter, the more same endless tube sheet of these some numbers is assembled into annulus as supporting.The assembly unit method of attachment of adopting at present mainly is that welding rod connects, but in the construction of underground tunnel environment, artificial when using welding gun to add welding rod to weld, be not easy to keep the homogeneity and the uniformity of operating, quality to welding also is difficult to hold, cause the difference of weldquality thus, will the bearing capacity of assembling pipeline supporting be affected, and practical operation is got up very inconvenient in underground pipeline.Also having a kind of method of attachment is to adopt the hot melt band to connect.This method is to use Electric thermal smelting belt to cooperate hot-melt welding machine, Electric thermal smelting belt is clipped in makes its energising back fusing between two sections of jurisdiction, play the purpose of good bond section of jurisdiction, but in the middle of actual mechanical process, sometimes it is improper to exist the hot-melt welding machine electric current to regulate, often cause hot melt to take up the phenomenon of fire easily, have potential safety hazard, so need to propose new improvement project about connected mode.
The utility model content
The purpose of this utility model has been to overcome the above-mentioned defective of connected mode between existing section of jurisdiction, the syndeton of vertically dividing slot in a kind of new soil between the assembled plastic pipes section of jurisdiction is provided, this syndeton not only can significantly improve the supporting capacity of assembled plastic pipes, and also have stronger operability and convenience when mounted, have advantages such as safe, convenient, efficient
The utility model has been taked following technical scheme: ring junction plate 8 in comprising, outer shroud junction plate 7, screw bolt and nut, wherein: interior ring junction plate is arranged in the inboard that the slot place is divided in the section of jurisdiction, the outer shroud junction plate is arranged in the outside that the slot place is divided in the section of jurisdiction, the radian of outer shroud junction plate and section of jurisdiction divide the radian of outer shroud at slot place identical, in radian and the section of jurisdiction of ring junction plate divide the radian of interior ring at slot place identical, at interior ring junction plate, all be furnished with the hole on the section of jurisdiction of branch slot both sides and the interior ring junction plate, screw bolt passes outer shroud junction plate, fastening nut behind the hole on section of jurisdiction and the interior ring junction plate, the nuts of bolt and the welding of outer shroud junction plate.
The span of the thickness of ring junction plate and outer shroud junction plate is more than or equal to 3mm and smaller or equal to 10mm in described.
Ring junction plate and outer shroud junction plate interior ring junction plate and outer shroud junction plate in described for making by iron or steel.
According to the technical solution of the utility model, vertically divide slot to adopt junction plate to add the method for attachment of bolt in the assembled plastic pipes support technology between the section of jurisdiction, its steps in sequence is as follows:
1) the monolithic plastic pipe is vertically cut into the tube coupling that length is L along pipeline, each tube coupling edge that cutting is finished circumferentially cuts into N sheet section of jurisdiction;
2) cutting 2 block lengths is L (with tube coupling length), and width is B, and thickness is interior ring junction plate and the outer shroud junction plate of t, and the scope of described B is 100mm≤B≤500mm, and the scope of t is 3mm≤t≤10mm, and the material of junction plate is iron or steel;
3) on plate bending rolls two junction plates are rolled into arc, wherein the radian of outer shroud junction plate is identical with the radian of plastic pipe outer arc, and the radian of interior ring junction plate is identical with the radian of plastic pipe inner arc;
4) with two junction plate alignment, be placed on the auger and fix, select drill bit according to the specification of selected bolt, hole successively according to the boring number and the position of design, described bit diameter size adds 1～5mm for selected shank of bolt diameter;
5) this inner and outer ring junction plate is placed on the interior outside that slot is divided in arbitrary section of jurisdiction respectively, make the branch slot be positioned at the wide centre position of plate, on plastic pipe, divide the relevant position of slot both sides to mark according to bore position on the junction plate, be marked on the plastic pipe according to this and hole, the bore diameter size is 2 times of bore diameter on the junction plate on the described plastic pipe;
6) bolt is passed from the hole of outer shroud junction plate successively from outside to inside, nuts is welded with the outer shroud junction plate, adopt the weldering of three millet cake, a bit of slot, the left and right sides of welding this point are again divided in the close section of jurisdiction of weldering bolt earlier;
7) repeating step 2)-6), machine successively and divide the required interior ring junction plate of slot and the outer shroud junction plate of strap bolt between all the other sections of jurisdiction of this tube coupling, and the boring that divides relevant position, slot both sides on the plastic pipe;
8) treat in the soil from the development machine of walking tunnel forwardly finish a circulation after, will be transported to successively in the sleeve of development machine afterbody with the outer shroud junction plate of branch slot correspondence between the N sheet section of jurisdiction of ring and adjacent section of jurisdiction;
9) shank of bolt one end that will be welded with on the outer shroud junction plate of bolt passes from the corresponding aperture of plastic pipe and interior ring junction plate, and all nuts of the bolt on it screwed on are finished the connection of a branch slot;
10) repeating step 9, finish the connection that divides slot between all the other sections of jurisdiction of this tube coupling successively, promptly finished the connection of this tube coupling with the endless tube sheet.
The utlity model has following advantage:
1) present in the non-excavating construction of various pipelines, to growing distance, zig zag construction equipment, the demand that reaches the supporting support apparatus in back is increasing.The assembled plastic pipes support technology that self-travel type tunnel pipeline driving technology is supporting not only can satisfy the supporting requirement after the development machine of walking is to driving, also can cooperate it to realize unexistent curve turning function in the trenchless technology now in great demand.This technology will shorten the underground pipeline construction cycle greatly, construction cost and other correlative chargess will decrease, the harmful effect to traffic, environment and people's life that reducing to greatest extent constructs brings is for the tunnel pipe-line construction of China brings remarkable economical and social benefit.
2) method of attachment that provides of the utility model can significantly improve the supporting capacity of assembled plastic pipes, and also has stronger operability and convenience when mounted.
3) with respect to present existing welding rod method of attachment, the method for attachment that the utility model provides can guarantee uniformity of operating and the homogeneity that is connected effect, thereby has guaranteed to divide the quality of connection of slot, for the supporting of assembled plastic pipes provides powerful guarantee.
4) with respect at present existing hot melt belt connection method, the potential safety hazard of construction has been got rid of in the method for attachment that the utility model provides, and can fully guarantee the complete of tunnel pipeline construction of walking certainly.
Description of drawings
Fig. 1 is assembled plastic pipes cross-sectional structure figure;
Fig. 2 is the plane structure chart of junction plate and boring;
Fig. 3 is the schematic diagram of spot welding bolt on the junction plate;
Among the figure: 1, I section of jurisdiction; 2, II section of jurisdiction; 3, III section of jurisdiction; 4, first fen slot; 5, second fen slot; 6, the 3rd fen slot; 7, outer shroud junction plate; 8, interior ring junction plate; 9, nuts; 10, shank of bolt; 11, nut; 12, the boring on the junction plate; 13, interior survey solder joint; 14, both sides solder joint.
The specific embodiment
Pipeline is divided into 3 sections of jurisdiction, the boring number is 6 and is example on the inner and outer ring junction plate, in conjunction with the accompanying drawings the present invention is described in detail about vertically dividing the syndeton of slot between the assembled plastic pipes section of jurisdiction.
The structure of present embodiment such as Fig. 1～shown in Figure 3, the monolithic plastic conduit is cut into tube coupling, again with this tube coupling edge direction parallel with conduit axis, after cross section circumferentially was divided into some sections of jurisdiction, the inside and outside both sides of the branch slot between adjacent two sections of jurisdiction are placed two junction plates respectively, and (material of plate was that iron, steel are advisable; The length of junction plate is looked the length of branch slot and is determined that width is advisable with 100mm to 500mm, and thickness is advisable with 3mm to 10mm; The radian of two junction plates of inner and outer ring is identical with the inner and outer ring radian of plastic pipe), (number in hole is looked the size of plate and is determined in boring on two junction plates then, the diameter in hole is looked the bolt specification of selection and is determined, the hole queueing discipline), and boring on the plastic pipe of two junction plate therebetween (position in hole with junction plate on the position in hole corresponding, the diameter in hole is that 2 times of diameter in hole on the junction plate are advisable), bolt is passed from the hole of outer shroud junction plate successively from outside to inside, adopt spot welding, nuts is welded with junction plate, screw rod one end that again this is welded with on the outer shroud junction plate of bolt passes from the corresponding aperture of plastic pipe and interior ring junction plate, at last all nuts are screwed on, finished the connection of an assembly unit seam.
According to the technical solution of the utility model, vertically divide slot to adopt junction plate to add the method for attachment of bolt in the assembled plastic pipes support technology between the section of jurisdiction, its steps in sequence is as follows:
1) the monolithic plastic pipe is vertically cut into the tube coupling that length is L along pipeline, this tube coupling edge that cutting is finished circumferentially evenly cuts into 3 (are example to cut into 3) by graphic form, and promptly the I section of jurisdiction 1, II section of jurisdiction 2 and III section of jurisdiction 3;
2) cutting 2 block lengths is L, and width is B, and thickness is outer shroud junction plate 7 and the interior ring junction plate 8 of t;
3) on plate bending rolls two junction plates are rolled into arc, wherein the radian of outer shroud junction plate 7 is identical with the radian of plastic pipe outer arc, and the radian of interior ring junction plate 8 is identical with the radian of plastic pipe inner arc;
4) with two junction plate alignment, be placed on the auger and fix, select drill bit according to the specification of selected bolt, hole 12 successively according to illustrated boring number and position, the bit diameter span is that selected shank of bolt diameter adds 1～5mm;
5) this inner and outer ring junction plate is placed on the interior outside that slot 4 is divided in the section of jurisdiction respectively, make branch slot 4 be positioned at the wide centre position of plate, on plastic pipe, divide the relevant position of slot both sides to mark according to boring 12 positions on the junction plate, be marked at according to this and hole 12 on plastic pipe, the bore diameter span is 2 times of bore diameter on the junction plate on the plastic pipe;
6) bolt is passed from the hole of outer shroud junction plate successively from outside to inside, nuts 9 with 7 welding of outer shroud junction plate, is adopted the weldering of three millet cake, the weldering bolt divides 1: 13 of slot near the section of jurisdiction earlier, welds the left and right sides 14 of this point again;
7) repeating step 2)-6), machine successively and encircle the required interior ring junction plate of all the other two branch slots and the outer shroud junction plate of strap bolt together, and the boring that divides relevant position, slot both sides on the plastic pipe;
8) treat in the soil from the development machine of walking tunnel forwardly finish a circulation after, will be transported to successively in the sleeve of development machine afterbody with the outer shroud junction plate of branch slot correspondence between 3 sections of jurisdiction of ring and adjacent section of jurisdiction;
9) shank of bolt 10 1 ends that will be welded with on the outer shroud junction plate 7 of bolt pass from the corresponding aperture 12 of plastic pipe and interior ring junction plate 8, and all nuts 11 of the bolt on it screwed on are finished the connection of first fen slot 4;
10) repeating step 9, finish successively with encircling being connected of second fen slot 5 and the 3rd fen slot 6, promptly finished the connection of this tube coupling with the endless tube sheet.
Claims (3)
1. the syndeton of vertically dividing slot in the soil between the assembled plastic pipes section of jurisdiction, it is characterized in that: ring junction plate in comprising, the outer shroud junction plate, screw bolt and nut, wherein: interior ring junction plate is arranged in the inboard that the slot place is divided in the section of jurisdiction, the outer shroud junction plate is arranged in the outside that the slot place is divided in the section of jurisdiction, the radian of outer shroud junction plate and section of jurisdiction divide the radian of outer shroud at slot place identical, in radian and the section of jurisdiction of ring junction plate divide the radian of interior ring at slot place identical, at interior ring junction plate, all be furnished with the hole on the section of jurisdiction of branch slot both sides and the interior ring junction plate, screw bolt passes outer shroud junction plate, fastening nut behind the hole on section of jurisdiction and the interior ring junction plate, the nuts of bolt and the welding of outer shroud junction plate.
2. vertically divide the syndeton of slot in the soil according to claim 1 between the assembled plastic pipes section of jurisdiction, it is characterized in that: the span of the thickness of ring junction plate and outer shroud junction plate is more than or equal to 3mm and smaller or equal to 10mm in described.
3. vertically divide the syndeton of slot in the soil according to claim 1 between the assembled plastic pipes section of jurisdiction, it is characterized in that: ring junction plate and outer shroud junction plate interior ring junction plate and outer shroud junction plate in described for making by iron or steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201647938U CN201650307U (en) | 2010-04-16 | 2010-04-16 | Connecting structure of longitudinal separation seams of segments of plastic pipeline for being assembled in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201647938U CN201650307U (en) | 2010-04-16 | 2010-04-16 | Connecting structure of longitudinal separation seams of segments of plastic pipeline for being assembled in soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650307U true CN201650307U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201647938U Expired - Fee Related CN201650307U (en) | 2010-04-16 | 2010-04-16 | Connecting structure of longitudinal separation seams of segments of plastic pipeline for being assembled in soil |
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| CN (1) | CN201650307U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699639A (en) * | 2012-06-29 | 2012-10-03 | 北方重工集团有限公司 | Technique for integrally manufacturing semi-structure of full-face tunneling machine shield |
| CN103061783A (en) * | 2013-02-07 | 2013-04-24 | 河南理工大学 | Retractable steel tube concrete support |
| CN103797216A (en) * | 2011-09-15 | 2014-05-14 | 韩国建设技术研究院 | Segment structure having vertical strands and horizontal shear keys and method for constructing shield tunnel using same |
| CN107060817A (en) * | 2017-05-25 | 2017-08-18 | 镇江巨能电气有限公司 | Shield machinable prefabricated pipe section structure |
| CN107091634A (en) * | 2017-06-08 | 2017-08-25 | 浙江工业大学 | Shield driving simulation test device and its test method |
| CN107120126A (en) * | 2017-05-25 | 2017-09-01 | 镇江巨能电气有限公司 | A kind of shield prefabricated pipe section attachment structure |
| CN110130930A (en) * | 2019-06-12 | 2019-08-16 | 上海隧道工程有限公司 | Reinforcement for large diameter shield tunnel |
-
2010
- 2010-04-16 CN CN2010201647938U patent/CN201650307U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797216A (en) * | 2011-09-15 | 2014-05-14 | 韩国建设技术研究院 | Segment structure having vertical strands and horizontal shear keys and method for constructing shield tunnel using same |
| CN103797216B (en) * | 2011-09-15 | 2016-06-29 | 韩国建设技术研究院 | There is the tunnel segment structure of longitudinal twisted wire and transverse shearing force key and use the described structure method to build shield tunnel |
| CN102699639A (en) * | 2012-06-29 | 2012-10-03 | 北方重工集团有限公司 | Technique for integrally manufacturing semi-structure of full-face tunneling machine shield |
| CN102699639B (en) * | 2012-06-29 | 2015-03-25 | 北方重工集团有限公司 | Technique for integrally manufacturing semi-structure of full-face tunneling machine shield |
| CN103061783A (en) * | 2013-02-07 | 2013-04-24 | 河南理工大学 | Retractable steel tube concrete support |
| CN107060817A (en) * | 2017-05-25 | 2017-08-18 | 镇江巨能电气有限公司 | Shield machinable prefabricated pipe section structure |
| CN107120126A (en) * | 2017-05-25 | 2017-09-01 | 镇江巨能电气有限公司 | A kind of shield prefabricated pipe section attachment structure |
| CN107060817B (en) * | 2017-05-25 | 2019-06-11 | 句容大为网络科技有限公司 | Shield machinable prefabricated pipe section structure |
| CN107120126B (en) * | 2017-05-25 | 2019-06-11 | 镇江巨能电气有限公司 | A kind of shield prefabricated pipe section connection structure |
| CN107091634A (en) * | 2017-06-08 | 2017-08-25 | 浙江工业大学 | Shield driving simulation test device and its test method |
| CN110130930A (en) * | 2019-06-12 | 2019-08-16 | 上海隧道工程有限公司 | Reinforcement for large diameter shield tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20120416 |