CN220118138U - Waterproof structure of pipe joint of push pipe - Google Patents
Waterproof structure of pipe joint of push pipe Download PDFInfo
- Publication number
- CN220118138U CN220118138U CN202321035968.9U CN202321035968U CN220118138U CN 220118138 U CN220118138 U CN 220118138U CN 202321035968 U CN202321035968 U CN 202321035968U CN 220118138 U CN220118138 U CN 220118138U
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- Prior art keywords
- pipe
- joint
- plate
- pipe joint
- grouting
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000004587 polysulfide sealant Substances 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000007569 slipcasting Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000005429 filling process Methods 0.000 abstract description 5
- 230000014759 maintenance of location Effects 0.000 abstract description 5
- 239000004568 cement Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a waterproof structure of a pipe joint of a jacking pipe, and relates to the technical field of pipe joints of jacking pipes. Comprises a pipe joint of the top pipe, a sealing plate, a slurry surrounding plate, a double-component polysulfide sealant filled between the sealing plate and the slurry surrounding plate, the sealing device is used for protecting the sealing performance of the joint, a row of grouting pipes are arranged above the pipe-jacking pipe joint, a row of grouting pipes are arranged below the pipe-jacking pipe joint, two sides of the sealing plate are fixed with retention plugboards, and the retention plugboards are spliced in the wall body. The utility model can provide a compact filling environment for the double-component polysulfide sealant through the arrangement of the grouting pipe, the sealing plate, the surrounding plate and the like, and the arrangement of the grouting pipe ensures that the double-component polysulfide sealant is more convenient and faster in the filling process, has better stretchability and toughness, has no water seepage phenomenon after the caulking is finished, is attractive and unobtrusive, and can effectively reduce the water seepage condition at the joint of the pipe joint.
Description
Technical Field
The utility model relates to the technical field of pipe joints of jacking pipes, in particular to a waterproof structure of a pipe joint of a jacking pipe.
Background
The rectangular pipe jacking method is developed and used first in the last 70 th century from Japan, and has the advantages of fast construction progress, no noise, no vibration, small influence on ground traffic, buildings along the road, underground pipelines, resident life and the like in practical application, and the like, and is popularized and applied in coastal areas such as Jiang Zhe and the like in the middle 90 th century, the section size of a prefabricated pipe jacking pipe joint is developed from a small section of 2.5mX2.5m to a current large section of 6 mX4 m, and along with the increase of the section size, the waterproof performance of the pipe jacking joint part is particularly important.
According to the data retrieval and investigation, along with the continuous increase of the section size of the rectangular jacking pipe, the traditional pipe joint outer grouting waterproof and pipe joint seam waterproof system can solve most of the water leakage problem, but the water seepage condition at the pipe joint still exists, and for the water seepage condition, a system is not available at present, but only grouting pressure, grouting times and cement slurry mixing ratio are adjusted, and the effect is very low in the face of the slow water seepage condition.
In summary, there is no treatment method for slow water seepage at the pipe jacking joint, and a novel solution is provided by the utility model for the situation.
Disclosure of Invention
The utility model aims to provide a waterproof structure of a pipe joint of a jacking pipe, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pipe joint waterproof structure of the push pipe, comprising;
jacking pipe joints;
the sealing plate is fixed on the surface of the pipe joint of the push pipe;
the pulp surrounding plate is fixed at a joint close to the pipe joint of the jacking pipe;
a double-component polysulfide sealant is filled between the sealing plate and the enclosure plate and is used for protecting the tightness of the joint;
a row of grouting pipes are arranged above the pipe pushing pipe joint, and a row of grouting pipes are arranged below the pipe pushing pipe joint.
Preferably, the two sides of the sealing plate are fixed with the fixing plugboards which are spliced in the wall body and are used for stabilizing the positions of the pipe joints of the jacking pipe;
two groups of supporting pieces are further arranged on one side of the sealing plate; the two groups of supporting pieces are respectively arranged at the upper end and the lower end of the top pipe joint.
Preferably, the support comprises a connection plate fixed to the top and bottom surfaces of the top pipe section;
the two ends of the connecting plate are fixed with inserting blocks, and the tops of the inserting blocks are connected through a supporting plate;
the two ends of the top of the connecting plate are provided with notches, and the inserting blocks are matched with the notches, wherein a plurality of bolt rods connected with the connecting plate are arranged in the middle of the supporting plate.
Preferably, a plurality of through holes communicated with the inside of the grouting pipe are formed in the positions, located between the grouting plate and the sealing plate, of the grouting pipe and the slurry discharging pipe, and the through holes are used for filling the double-component polysulfide sealant between the sealing plate and the grouting plate.
Preferably, the feeding end of the grouting pipe is provided with a connecting piece;
the connecting piece is including being fixed in the terminal sleeve mouth of slip casting pipe, sleeve mouth terminal surface is provided with the screw thread, and sleeve mouth terminal spiro union has the screwed joint, and the screwed joint other end fixedly connected with coupling hose.
Preferably, a reinforcing bracket is arranged between the sealing plate and the pulp surrounding plate, and the reinforcing bracket is arranged at the upper end and the lower end of the pipe-jacking pipe joint.
Compared with the prior art, the utility model has the beneficial effects that:
the pipe joint waterproof structure of the push pipe can provide a compact filling environment for the double-component polysulfide sealant through the arrangement of the grouting pipe, the sealing plate, the enclosure plate and the like, and the arrangement of the grouting pipe enables the double-component polysulfide sealant to be more convenient in the filling process, the stretchability and the toughness meet requirements, no water seepage phenomenon exists after the caulking is completed, the pipe joint waterproof structure is attractive and unobtrusive, and the water seepage condition of the pipe joint can be effectively reduced.
Meanwhile, the pipe joint waterproof structure of the pipe jacking pipe is simple in overall structure, can meet long-term waterproof requirements, and is not obvious in color difference at leaking stoppage positions and attractive.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a waterproof structure of a pipe joint of a push pipe of the present utility model;
fig. 2 is a schematic view of the bottom view structure of the waterproof structure of the pipe joint of the push pipe of the present utility model;
FIG. 3 is a schematic view of a connector of the waterproof structure of a pipe joint of a pipe jacking pipe according to the present utility model;
fig. 4 is a schematic structural view of a support member of the pipe joint waterproof structure of the pipe jacking pipe according to the present utility model.
In the figure: 1. jacking pipe joints; 2. a sealing plate; 3. a pulp surrounding plate; 4. reinforcing the support; 5. a retention insert plate; 6. a support; 601. a connecting plate; 602. a notch; 603. a support plate; 604. inserting blocks; 605. a bolt rod; 7. reinforcing ribs; 8. a slurry discharge pipe; 9. a connecting piece; 901. sleeving the mouth; 902. a screw joint; 903. a connecting hose; 10. grouting pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The traditional pipe jacking is waterproof, only by grouting outside the pipe joint, the pipe joint concrete is self-waterproof, the joint seam of the pipe joint is provided with a socket joint steel collar and a waterproof rubber ring to form a whole waterproof system, and the waterproof system can solve most of the water leakage problem, but due to the special structure of the rectangular pipe jacking, the conditions of wet stain, water seepage, wire flow and the like still occur at the joint seam. Wherein grouting is waterproof: after jacking of the jacking pipe is completed, thixotropic slurry is replaced by cement slurry, a certain waterproof effect is achieved while surrounding soil is stabilized, meanwhile, a plurality of phi 6mm reserved grouting pipes are arranged at the positions of steel rings at the socket of the pipe joint, and water stopping materials can be injected to supplement water prevention. And the leakage can still occur after the completion of the grouting and the water-proof material injection, and the leakage is stopped by adopting the partial leakage stopping of the double quick cement slurry at the moment, thereby playing a role in water proofing.
The grouting water-proof can solve the problem of partial water leakage, but the partial grouting pipe is easy to be blocked by sundries, and the secondary grouting has high difficulty and long time.
The double quick cement paste leakage blocking can quickly solve the problem of local water leakage, has good effect in a short time, but cannot meet the long-term waterproof requirement, and has obvious color difference at the leakage blocking position and is not attractive.
In view of the above, a new waterproof method for pipe joints of jacking pipes is needed, which not only can meet the conditions of no wet stain, water seepage, linear flow and the like at joints, but also can meet the long-term water stop requirement and also can be attractive.
Because of the special structure of the rectangular jacking pipe, after jacking construction is finished and grouting is carried out, the jacking pipe joint, especially the rectangular corner, is easy to generate seepage, the secondary grouting effect is very little, and at the moment, the reasonable plugging method is adopted for plugging the jacking pipe joint to realize the plugging of the seepage, so that the seepage rate can be reduced to 0%, and the goal is feasible.
As shown in fig. 1 to 4, the present utility model provides a technical solution: the pipe joint waterproof structure of the push pipe, comprising;
a pipe jacking pipe joint 1;
the sealing plate 2 is fixed on the surface of the top pipe joint 1;
the pulp surrounding plate 3 is fixed at the joint close to the pipe joint 1 of the top pipe;
the sealing plate 2 and the enclosure plate 3 are filled with the two-component polysulfide sealant for protecting the tightness of joints, the sealant has strong stretchability and toughness, the elongation at break can reach about 900 percent, and meanwhile, the color can be prepared according to the color of the prefabricated pipe joint, and the sealant can be used along with the preparation and has strong applicability under various conditions.
A row of grouting pipes 8 are arranged above the jacking pipe joint 1, and a row of grouting pipes 10 are arranged below the jacking pipe joint 1.
Can provide closely knit filling environment for the two-component polysulfide sealant, and the setting of slip casting pipe 10 lets two-component polysulfide sealant more convenient in filling process, and stretchability and toughness are satisfied the requirement relatively, and the caulking is accomplished the back and is had no infiltration phenomenon, and pleasing to the eye unobtrusive, can effectively reduce the pipe joint junction condition of oozing water.
In order to ensure the smooth implementation of the embodiment, it should be understood that the two sides of the sealing plate 2 are fixed with the retention plugboards 5, and the retention plugboards are inserted into the wall body for stabilizing the position of the pipe section 1;
two groups of supporting pieces 6 are arranged on one side of the sealing plate 2; the two groups of supporting pieces 6 are respectively arranged at the upper end and the lower end of the top pipe section 1.
Further, the support 6 includes a connection plate 601 fixed to the top and bottom surfaces of the top pipe section 1;
the two ends of the connecting plate 601 are fixed with inserting blocks 604, and the tops of the inserting blocks 604 are connected through a supporting plate 603;
the notch 602 is arranged at two ends of the top of the connecting plate 601, the inserting block 604 is matched with the notch 602, a plurality of bolt rods 605 connected with the connecting plate 601 are arranged in the middle of the supporting plate 603, and the supporting piece is used for providing support for the top end and the bottom end of a groove on a wall body when the wall body is grooved, so that deformation, collapse and the like of the wall body are avoided.
Furthermore, a plurality of through holes communicated with the inside of the grouting pipe 10 are formed at the positions of the grouting pipe 10 and the slurry discharging pipe 8 between the slurry surrounding plate 3 and the sealing plate 2, and are used for filling the double-component polysulfide sealant between the sealing plate 2 and the slurry surrounding plate 3.
As to this solution, it is to be understood that the feeding end of the grouting pipe 10 is provided with a connecting piece 9;
the connector 9 comprises a sleeve opening 9 fixed at the tail end of the grouting pipe 10, threads are arranged on the surface of the tail end of the sleeve opening 9, a screw joint 902 is screwed at the tail end of the sleeve opening 9, and a connecting hose 903 is fixedly connected to the other end of the screw joint 902.
Still further, be provided with between closing plate 2 and the thick liquid board 3 and consolidate support 4, consolidate support 4 and set up in the upper end of push pipe joint 1, enclose thick liquid board 34 and be trapezoidal form, and enclose thick liquid board 34 and closing plate 23 all to be fixed in on the push pipe joint 11 through welding process, consolidate support 4 can increase the intensity of two-component polysulfide sealant, can let two-component polysulfide sealant increase the area that can contact, the distance between closing plate 23 and the thick liquid board 34 is not more than 30 centimetres, enclose thick liquid board 34 thickness not more than 5 centimetres.
In the construction process, after jacking of the jacking pipe is completed, a rectangular groove matched with the sealing plate 23 is formed in the wall surface, the depth of the rectangular groove is not more than 50 cm, although the sealing plate 23 is welded on the sealing plate 23, the sealing plate 23 is tightly attached to the inner wall of the rectangular groove, cement is used for pouring, gaps are filled, then the grouting plate 34 is welded on the jacking pipe, sealing state is formed between the grouting plate 34 and the wall surface by cement pouring, finally, grouting pipes 102 are installed, two-component polysulfide sealant is filled into the sealing plate 23 and the grouting plate 34 through the grouting pipes 102, a plurality of grouting pipes 102 are needed to be idle in the filling process, and the grouting pipes 102 to be idle continuously outwards and outwards exposed are used for the caulking of the two-component polysulfide sealant, namely, the filling is compact, and the number of bubbles and the lower end are small.
Through setting up of slip casting pipe 10, closing plate 2 and enclose thick liquid board 3 etc. can provide closely knit filling environment for the two-component polysulfide sealant, and the setting of slip casting pipe 10 lets two-component polysulfide sealant more convenient in filling process, and stretchability and toughness are more satisfied the requirement, do not have infiltration phenomenon after the caulking is accomplished, and pleasing to the eye unobtrusive.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.
Claims (6)
1. The waterproof structure of the pipe joint of the push pipe is characterized by comprising the following components;
jacking pipe joints;
the sealing plate is fixed on the surface of the pipe joint of the push pipe;
the pulp surrounding plate is fixed at a joint close to the pipe joint of the jacking pipe;
a double-component polysulfide sealant is filled between the sealing plate and the enclosure plate and is used for protecting the tightness of the joint;
a row of grouting pipes are arranged above the pipe pushing pipe joint, and a row of grouting pipes are arranged below the pipe pushing pipe joint.
2. The push pipe joint waterproof structure according to claim 1, wherein: two sides of the sealing plate are fixed with a fixing plugboard which is spliced in the wall body and used for stabilizing the position of the pipe joint of the jacking pipe;
two groups of supporting pieces are further arranged on one side of the sealing plate; the two groups of supporting pieces are respectively arranged at the upper end and the lower end of the top pipe joint.
3. The push pipe joint waterproof structure according to claim 2, wherein: the support piece comprises a connecting plate fixed on the top surface and the bottom surface of the top pipe joint;
the two ends of the connecting plate are fixed with inserting blocks, and the tops of the inserting blocks are connected through a supporting plate;
the two ends of the top of the connecting plate are provided with notches, and the inserting blocks are matched with the notches, wherein a plurality of bolt rods connected with the connecting plate are arranged in the middle of the supporting plate.
4. The push pipe joint waterproof structure according to claim 1, wherein: the grouting pipe and the slurry discharging pipe are provided with a plurality of through holes communicated with the inside of the grouting pipe at the position between the slurry surrounding plate and the sealing plate, and the grouting pipe and the slurry discharging pipe are used for filling the double-component polysulfide sealant between the sealing plate and the slurry surrounding plate.
5. The push pipe joint waterproof structure according to claim 1, wherein: the feeding end of the grouting pipe is provided with a connecting piece;
the connecting piece is including being fixed in the terminal sleeve mouth of slip casting pipe, sleeve mouth terminal surface is provided with the screw thread, and sleeve mouth terminal spiro union has the screwed joint, and the screwed joint other end fixedly connected with coupling hose.
6. The push pipe joint waterproof structure according to claim 1, wherein: and a reinforcing support is arranged between the sealing plate and the slurry surrounding plate and is arranged at the upper end and the lower end of the pipe section of the jacking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321035968.9U CN220118138U (en) | 2023-05-04 | 2023-05-04 | Waterproof structure of pipe joint of push pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321035968.9U CN220118138U (en) | 2023-05-04 | 2023-05-04 | Waterproof structure of pipe joint of push pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118138U true CN220118138U (en) | 2023-12-01 |
Family
ID=88915800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321035968.9U Active CN220118138U (en) | 2023-05-04 | 2023-05-04 | Waterproof structure of pipe joint of push pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118138U (en) |
-
2023
- 2023-05-04 CN CN202321035968.9U patent/CN220118138U/en active Active
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