CN111287765A - Clamp spring connection type prefabricated assembled jacking pipe joint - Google Patents
Clamp spring connection type prefabricated assembled jacking pipe joint Download PDFInfo
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- CN111287765A CN111287765A CN202010180559.2A CN202010180559A CN111287765A CN 111287765 A CN111287765 A CN 111287765A CN 202010180559 A CN202010180559 A CN 202010180559A CN 111287765 A CN111287765 A CN 111287765A
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- pipe joint
- clamp spring
- joint
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- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 238000013461 design Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004587 polysulfide sealant Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a clamp spring connection type prefabricated assembled jacking pipe joint, which comprises: the pipe joint comprises an upper pipe joint, a lower pipe joint and a joint structure for connecting the upper pipe joint and the lower pipe joint, wherein the joint structure is a clamp spring connecting structure; wherein, the joint design is in including setting up grafting subassembly in the upper tube coupling is in with the setting access subassembly in the lower tube coupling, grafting subassembly with access subassembly adopts interference connection. The invention adopts the clamp spring type connection and has the advantages of simple operation and automatic construction.
Description
Technical Field
The invention relates to the technical field of pipe jacking pipe joints. More specifically, the invention relates to a clamp spring connection type prefabricated assembled jacking pipe joint.
Background
The pipe jacking technology is one of trenchless technologies, and has little influence on the surrounding environment and buildings during construction. At present, the technology of pushing the rectangular push pipe with a large section, a long distance and a complex stratum is gradually developed into a mainstream, and the technology is widely applied to projects such as underground pedestrian passageways, subway station entrances and exits, underground roadways, urban comprehensive pipe galleries and the like. Although the existing rectangular pipe jacking section can realize standardized and industrialized production, the section and the quality of the large-section rectangular pipe jacking section are high, great difficulty is caused to the plane arrangement of a construction site and the transportation, hoisting and construction of the pipe jacking section, the abnormal construction time is possibly caused to be too much, the working efficiency is low, the construction period is delayed, and the construction cost is increased.
At present, the technical development of the domestic prefabricated assembled rectangular jacking pipe is just started, and the technology is still in a gap in the related research field. The segment joint structure of the assembled rectangular jacking pipe refers to a structure with the segment joints playing a connecting role, is used as an important component of the jacking pipe structure, is the weakest link of the whole structure, and influences the mechanical property and the deformation characteristic of the structure. Bolt joint hand hole can produce weakening to the coupling structure, and the installation is wasted time and energy, and articulated joint, tenon joint and wedge joint strength are low.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a clamp spring connection type prefabricated assembled jacking pipe joint, wherein the upper pipe joint and the lower pipe joint are connected in a clamp spring mode, so that the clamp spring connection type prefabricated assembled jacking pipe joint has the effects of being simple to operate and realizing automatic construction, can meet the requirements of continuity and waterproof performance of a building structure, and can be suitable for rapid assembly of prefabricated assembled rectangular jacking pipes.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a clamp spring coupling type prefabricated assembled jacking pipe section, comprising: the pipe joint comprises an upper pipe joint, a lower pipe joint and a joint structure for connecting the upper pipe joint and the lower pipe joint, wherein the joint structure is a clamp spring connecting structure;
wherein, the joint design is in including setting up grafting subassembly in the upper tube coupling is in with the setting access subassembly in the lower tube coupling, grafting subassembly with access subassembly adopts interference connection.
Preferably, the plug-in connection assembly comprises an upper base and a connecting pin, the upper base is embedded in the upper pipe joint, and the connecting pin is fixed on the upper base.
Preferably, the connecting pin is a cylindrical pin and comprises a large-diameter section and a small-diameter section, the surface of the near tail end of the large-diameter section is rough, the small-diameter section is provided with threads, the small-diameter section penetrates through the upper base and is fixed by a nut, and a gasket is arranged between the nut and the upper base.
Preferably, the access assembly comprises a lower base, an elastic part, a clamp spring and a clamp seat, the lower base and the clamp seat are pre-embedded in the lower pipe joint, the clamp seat is connected to the lower end of the lower base, the lower base and the clamp seat jointly position the elastic part, the clamp spring is arranged in the elastic part, and the insertion assembly is inserted into the clamp spring and is in interference connection with the clamp spring.
Preferably, the clamp spring is of a tubular structure with a gap, and the diameter of the outer side of the clamp spring is gradually reduced from top to bottom.
Preferably, a plurality of small lugs are circumferentially arranged on the outer side of the clamping seat, each small lug is provided with an opening, and a screw penetrates through the opening to connect the clamping seat and the lower base.
Preferably, the lower pipe joint is provided with a water stopping groove along the extending direction of the lower pipe joint, and a water stopping strip is placed in the water stopping groove.
Preferably, a joint groove is arranged between the upper pipe joint and the lower pipe joint, and the joint groove is filled with the two-component polysulfide sealant.
Preferably, the upper pipe joint and the lower pipe joint are respectively provided with a hoisting hole, and the socket ends of the upper pipe joint and the lower pipe joint are provided with a plurality of grouting holes.
The invention at least comprises the following beneficial effects:
the rectangular jacking pipe clamp spring type connecting structure mainly comprising the prefabricated assembly greatly reduces the material consumption, realizes the production of standardized and industrialized prefabricated parts, and can effectively reduce the engineering construction cost;
the splicing component and the access component are respectively embedded and poured into the upper pipe joint and the lower pipe joint, and the pipe joint splicing type can realize rapid splicing by using the splicing component and the access component, so that the operation is simple and the automatic construction is convenient;
the clamp spring type connection has high requirements on the assembly precision of the pipe ring, and the sleeve rod is difficult to accurately press into the clamp spring due to overlarge size error.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of an assembled jacking pipe joint according to one embodiment of the present invention;
FIG. 2 is a bottom view of an upper pipe section according to one embodiment of the present invention;
fig. 3 is a schematic diagram of an assembly structure of an upper pipe joint and a lower pipe joint according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a connecting pin according to one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a clamp spring in one technical scheme of the present invention;
fig. 6 is a schematic structural diagram of a card socket according to one embodiment of the present invention;
fig. 7 is a schematic top view of a card socket according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
In the description of the present invention, the terms "proximal end", "between", "lower end", "inner", "outer", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 7, the present invention provides a clamp spring connection type prefabricated assembled pipe jacking pipe joint, comprising: the pipe jacking device comprises an upper pipe section 1, a lower pipe section 2 and a joint structure 3 for connecting the upper pipe section 1 and the lower pipe section 2, wherein the joint structure 3 is of a clamp spring connection type structure, and the clamp spring type is adopted for connecting the upper pipe section 1 and the lower pipe section 2, so that the pipe jacking device has the characteristics of simplicity in operation, good mechanical property and quickness in assembling, the construction efficiency of a large-section rectangular pipe jacking is improved, and the construction cost is saved; the jump ring formula is connected, need not other thrust, only utilizes the tube coupling dead weight to make connecting pin 32 and jump ring 37 butt joint cooperation, when guaranteeing to assemble the precision, jump ring formula connects need not to combine to use alright in order to possess better fastening effect with other joints that provide fastening force, and the fastening operation link of this joint is easier, and its efficient characteristic of assembling is favorable to the automatic realization of prefabricated pin-connected panel rectangle push pipe.
Joint design 3 is including setting up go up the grafting subassembly in the tube coupling 1 and set up the access subassembly in the tube coupling 2 down, the grafting subassembly with the access subassembly adopts the interference to connect, makes and goes up tube coupling 1 card in tube coupling 2 down, and the installation is quick, and during the installation, it is higher to grafting subassembly and access subassembly size requirement, only size high accuracy match, and the grafting subassembly just can accurately be impressed in the access subassembly.
The grafting subassembly includes base 31, connecting pin 32, it is pre-buried to go up base 31 go up in the tube coupling 1, go up 31 terminal surfaces of base and the 1 terminal surface parallel and level of last tube coupling, go up 31 inside cavitys of base, go up base 31 and pass through the steel bar connection pre-buried in last tube coupling 1, form the stable base of fixed connection round pin 32, connecting pin 32 is fixed go up on the base 31, make connecting pin 32 can match with the subassembly that inserts.
The connecting pin 32 is a cylindrical pin, the connecting pin 32 comprises a large-diameter section 322 and a small-diameter section 321, the near end of the large-diameter section 322 is polished to make the surface rough, a thread is arranged on the small-diameter section 321, the small-diameter section 321 penetrates through the upper base 31 and is fixed by the nut 33, a through hole is formed in the middle of the upper base 31, the upper end of the small-diameter section 321 penetrates through the through hole, the upper end of the small diameter section is higher than the upper end of the upper base 31, the small-diameter section 321 is sleeved with the nut 33, the connecting pin 32 is fixedly connected in a spiral mode, a gasket 34 is arranged between the nut 33 and the upper base 31, damage to the upper base 31 and the nut 33 caused by direct contact of the nut 33 and the upper base 31 is avoided, and a gap is formed in the upper pipe joint 1.
The connecting assembly comprises a lower base 35, an elastic part 36, a clamp spring 37 and a clamp seat 38, wherein the lower base 35 and the clamp seat 38 are embedded in the lower pipe joint 2, the lower base 35 is fixed in the lower pipe joint 2 through a steel bar, the end face of the lower base 35 is parallel and level to the end face of the lower pipe joint 2, the clamp seat 38 is connected in a welding or screwing mode and the like, the clamp seat 38 is connected to the lower end of the lower base 35, a groove is formed in the middle of the clamp seat 38, a cavity is formed in the lower base 35, the elastic part 36 is jointly positioned by the lower base 35 and the clamp seat 38, the clamp spring 37 is arranged in the elastic part 36, and the connecting assembly is inserted into the clamp spring 37 and is in interference connection with the.
The jump ring 37 is the tubular structure who takes the gap, and behind the connecting pin 32 inserted jump ring 37, jump ring 37 took place the hoop under the extrusion of connecting pin 32 and opened the deformation, and connecting pin 32 all has the coarse district of polishing with jump ring 37 inboard, and connecting pin 32 is more and more inseparable at the meshing of crowded in-process, and the fastening force that its provided makes the joint portion fastening stable, forces jump ring 37 to hold connecting pin 32 tightly, and the internals is difficult to remove, reaches the resistance to plucking effect, the diameter top-down in the jump ring 37 outside reduces gradually.
A plurality of small lugs are circumferentially arranged on the outer side of the clamping seat 38, each small lug is provided with an opening, and a screw 39 penetrates through the opening to be connected with the clamping seat 38 and the lower base 35, so that the clamping seat 38 and the lower base 35 are connected and fastened.
The lower pipe joint 2 is provided with a water stopping groove 4 along the extending direction of the lower pipe joint, and a water stopping strip is placed in the water stopping groove 4 to enhance the waterproof effect of the pipe joint.
Go up the tube coupling 1 with be equipped with seam recess 5 between the tube coupling 2 down, fill two ingredient polysulfide sealant in seam recess 5 for the water-proof effects of reinforcing tube coupling.
The upper pipe joint 1 and the lower pipe joint 2 are respectively provided with a hoisting hole 6, and the socket ends of the upper pipe joint 1 and the lower pipe joint 2 are provided with a plurality of grouting holes 7, so that the upper pipe joint 1 and the lower pipe joint 2 can be conveniently conveyed.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a push pipe coupling is assembled in prefabricated of jump ring connection formula which characterized in that includes: the pipe joint comprises an upper pipe joint (1), a lower pipe joint (2) and a joint structure (3) for connecting the upper pipe joint (1) and the lower pipe joint (2), wherein the joint structure (3) is a clamp spring connection type structure;
wherein, joint design (3) is including setting up grafting subassembly in last tube coupling (1) is in with the setting access subassembly in lower tube coupling (2), grafting subassembly with access subassembly adopts interference connection.
2. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 1, wherein the plug-in assembly comprises an upper base (31) and a connecting pin (32), the upper base (31) is pre-embedded in the upper pipe joint (1), and the connecting pin (32) is fixed on the upper base (31).
3. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 2, wherein the connecting pin (32) is a cylindrical pin, the connecting pin (32) comprises a large-diameter section (322) and a small-diameter section (321), the surface of the large-diameter section (322) close to the tail end is rough, the small-diameter section (321) is provided with a thread, the small-diameter section (321) penetrates through the upper base (31) and is fixed by a nut (33), and a gasket (34) is arranged between the nut (33) and the upper base (31).
4. The clamp spring connection type prefabricated assembled top pipe joint as claimed in claim 1, wherein the connection assembly comprises a lower base (35), an elastic part (36), a clamp spring (37) and a clamp seat (38), the lower base (35) and the clamp seat (38) are pre-embedded in the lower pipe joint (2), the clamp seat (38) is connected to the lower end of the lower base (35), the lower base (35) and the clamp seat (38) jointly position the elastic part (36), the clamp spring (37) is arranged in the elastic part (36), and the plug-in assembly is inserted into the clamp spring (37) and is in interference connection with the clamp spring (37).
5. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 4, wherein the clamp spring (37) is of a tubular structure with a gap, and the diameter of the outer side of the clamp spring (37) is gradually reduced from top to bottom.
6. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 4, wherein a plurality of small lugs are circumferentially arranged on the outer side of the clamping seat (38), each small lug is provided with an opening, and a screw (39) penetrates through the opening to connect the clamping seat (38) and the lower base (35).
7. The clamp spring connection type prefabricated assembled top pipe joint as claimed in claim 1, wherein a water stopping groove (4) is formed in the extension direction of the lower pipe joint (2), and a water stopping strip is placed in the water stopping groove (4).
8. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 1, wherein a joint groove (5) is arranged between the upper pipe joint (1) and the lower pipe joint (2), and the joint groove (5) is filled with a two-component polysulfide sealant.
9. The clamp spring connection type prefabricated assembled jacking pipe joint as claimed in claim 1, wherein hoisting holes (6) are respectively formed in the upper pipe joint (1) and the lower pipe joint (2), and a plurality of grouting holes (7) are formed in the spigot ends (7) of the upper pipe joint (1) and the lower pipe joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180559.2A CN111287765A (en) | 2020-03-16 | 2020-03-16 | Clamp spring connection type prefabricated assembled jacking pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180559.2A CN111287765A (en) | 2020-03-16 | 2020-03-16 | Clamp spring connection type prefabricated assembled jacking pipe joint |
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| Publication Number | Publication Date |
|---|---|
| CN111287765A true CN111287765A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010180559.2A Pending CN111287765A (en) | 2020-03-16 | 2020-03-16 | Clamp spring connection type prefabricated assembled jacking pipe joint |
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| Country | Link |
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| CN (1) | CN111287765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294173A (en) * | 2021-07-09 | 2021-08-24 | 中铁工程装备集团有限公司 | Shield segment connecting structure |
-
2020
- 2020-03-16 CN CN202010180559.2A patent/CN111287765A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294173A (en) * | 2021-07-09 | 2021-08-24 | 中铁工程装备集团有限公司 | Shield segment connecting structure |
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