CN219866605U - Miniature push pipe device of primary pore-forming PVC - Google Patents
Miniature push pipe device of primary pore-forming PVC Download PDFInfo
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- CN219866605U CN219866605U CN202321215091.1U CN202321215091U CN219866605U CN 219866605 U CN219866605 U CN 219866605U CN 202321215091 U CN202321215091 U CN 202321215091U CN 219866605 U CN219866605 U CN 219866605U
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- pipe
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- pvc
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- machine
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 9
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a one-time pore-forming PVC miniature pipe jacking device which comprises a soil layer, wherein two sides of the soil layer are respectively and downwards vertically provided with a receiving steel well and an originating steel well, and the top of the soil layer is respectively provided with a sedimentation tank, a high-pressure pump and a hydraulic unit. An operation table, a push-pull pipe machine and a rear seat for supporting the push-pull pipe machine are respectively arranged in the originating steel well, and the hydraulic unit is communicated with the push-pull pipe machine through a hydraulic pipeline. The utility model relates to the technical field of municipal pipeline trenchless construction, in particular to a one-time pore-forming PVC miniature pipe jacking device, which is more mature in technology by applying a miniature pipe jacking technology to the laying of plastic pipe pipelines, and has the advantages of omitting the step of multiple pore-expanding and one-time pore-forming compared with the traditional plastic pipeline laying methods such as directional drilling and the like.
Description
Technical Field
The utility model relates to the technical field of municipal pipeline trenchless construction, in particular to a one-time pore-forming PVC miniature pipe jacking device.
Background
The miniature jacking pipe is a non-excavation technology suitable for laying small-diameter underground municipal pipelines, and has the advantages of small noise vibration, no disturbance to ground traffic, less damage to adjacent pipelines and buildings and the like compared with the conventional open-cut method commonly used in municipal pipeline engineering.
The traditional pipe jacking is generally only used for paving concrete, steel or cast iron pipes, the miniature pipe jacking construction method needs to sequentially jack a guide drill rod, a mud pipe and a mud-discharging force-transmitting screw rod to a receiving well through a pushing device, then a pipe jacking machine head jacks into soil along with the mud pipe at the tail end, a cutter head rotates to drive the mud-discharging force-transmitting screw rod to rotate, and finally a plurality of prefabricated pipe sections are jacked into the soil along with the pipe jacking machine head. This process is a secondary process, which is relatively cumbersome.
Therefore, the traditional pipe jacking technology has at least the following defects that firstly, the pipe slot is formed, the operation is complex, secondly, the pipe jacking technology is only used for paving concrete, steel or cast iron pipes, and the technology cannot be applied to paving plastic pipes, and the pipe jacking technology is easy to damage because the strength of the plastic pipes is weaker and the pipe jacking pressure is difficult to bear in the pipe jacking process, so that the application range of the pipe jacking technology is reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a one-time pore-forming PVC miniature pipe jacking device, which solves the problems of complicated operation and small application range of the existing miniature pipe jacking device.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a miniature push pipe device of primary pore-forming PVC, includes the soil layer, and the both sides of this soil layer are provided with the receiving steel well and originate the steel well down vertically respectively, and the top of soil layer is provided with sedimentation tank, high-pressure pump and hydraulic unit respectively.
An operation table, a push-pull pipe machine and a rear seat for supporting the push-pull pipe machine are respectively arranged in the originating steel well, and the hydraulic unit is communicated with the push-pull pipe machine through a hydraulic pipeline.
The rotating end of the push-pull pipe machine is rotationally connected with a force transmission screw, a top cylinder is covered outside the force transmission screw, a PVC pipe is covered outside the top cylinder, and one end of the PVC pipe is abutted to the end face of the push-pull pipe machine.
The miniature pipe jacking mechanism of PVC is installed to the one end that the transmission screw rod was kept away from the push-pull tube machine, and this miniature pipe jacking mechanism of PVC is fixed with PVC tubular product through tubular attach fitting.
As a further preferable mode, the PVC miniature pipe jacking mechanism comprises a PVC miniature pipe jacking machine body part and a miniature pipe jacking machine head, wherein the miniature pipe jacking machine head is coaxially fixed with a force transmission screw rod, and a cutter head is arranged at the axis of the miniature pipe jacking machine head.
As a further preferred option, the high-pressure pump is provided with at least two groups, one of which is in communication with the sedimentation tank, the high-pressure pump of which can pump out the mud inside the top cylinder and the other of which is used for injecting water into the interior of the force-transmitting screw.
As a further preferable mode, the inside of the force transmission screw is of a hollow structure, and a water injection hole communicated with the inside of the force transmission screw is formed in the rotating end of the push-pull pipe machine.
As a further preferable mode, a laser theodolite is arranged at the top of the push-pull tube machine.
(III) beneficial effects
The utility model provides a one-time pore-forming PVC miniature pipe jacking device. The beneficial effects are as follows:
the primary pore-forming PVC miniature pipe jacking device has the advantages that the technology is more mature by applying the miniature pipe jacking technology to the laying of plastic pipe pipelines, and compared with the traditional plastic pipe laying methods such as pilot drilling, directional drilling and the like, the primary pore-forming PVC miniature pipe jacking device omits the step of multiple pore-forming, and has the advantages that the mechanical property of the plastic pipe is lower than that of concrete, steel or cast iron pipe, and in order to solve the problem, a force transmission screw is directly connected with a pipe jacking mechanism, and partial jacking force is transmitted through the force transmission screw to balance the frontal resistance before a heading machine, so that the stress of the PVC pipe is shared. The PVC pipe wall only bears friction force, and prevents the PVC pipe wall from being unstable or damaged in the jacking process, thereby realizing the grafting of the pipe jacking technology in the laying application of plastic pipes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a partial structure of the present utility model;
fig. 3 is a side view of a partial structure of the present utility model.
In the figure: 1. a soil layer; 2. a sedimentation tank; 3. a high pressure pump; 4. an operation table; 5. originating a steel well; 6. a laser theodolite; 7. a hydraulic unit; 8. receiving a steel well; 9. PVC miniature pipe jacking mechanism; 10. a push-pull tube machine; 11. a rear seat; 12. a cutterhead; 13. PVC miniature pipe jacking machine body part; 14. a connection joint; 15. PVC pipe; 16. a top cylinder; 17. a force transmission screw; 18. miniature pipe pushing machine head.
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.
As shown in fig. 1 and 3, the present utility model provides a technical solution: the utility model provides a miniature push pipe device of primary pore-forming PVC, includes soil layer 1, and the both sides of this soil layer 1 are provided with respectively down vertical receiving steel well 8 and the steel well 5 that originates, and the top of soil layer 1 is provided with sedimentation tank 2, high-pressure pump 3 and hydraulic unit 7 respectively (provides hydraulic power).
As shown in fig. 1, the high-pressure pump 3 is provided with at least two groups, one of which is communicated with the sedimentation tank 2, the high-pressure pump 3 of the group can pump out the mud inside the top cylinder 16, and the other high-pressure pump 3 is used for injecting water into the force-transmitting screw 17.
As shown in fig. 1, an operation table 4, a push-pull pipe machine 10 and a rear seat 11 for supporting the push-pull pipe machine 10 are respectively arranged in the starting steel well 5, and the hydraulic unit 7 is communicated with the push-pull pipe machine 10 through a hydraulic pipeline.
As shown in fig. 2, the rotating end of the push-pull pipe machine 10 is rotatably connected with a force transmission screw rod 17, the inside of the force transmission screw rod 17 is of a hollow structure, the rotating end of the push-pull pipe machine 10 is provided with a water injection hole communicated with the inside of the force transmission screw rod 17, the outer cover of the force transmission screw rod 17 is provided with a top cylinder 16, the outer side of the top cylinder 16 is provided with a PVC pipe 15, and one end of the PVC pipe 15 is abutted to the end face of the push-pull pipe machine 10.
As shown in fig. 1, a laser theodolite 6 is arranged at the top of the push-pull tube machine 10, and whether the position of the opening deviates can be timely detected through the laser theodolite 6.
As shown in fig. 2, a PVC micro pipe jacking mechanism 9 is installed at one end of the force transmission screw 17 far away from the push-pull pipe machine 10, the PVC micro pipe jacking mechanism 9 includes a PVC micro pipe jacking machine body 13 and a micro pipe jacking machine head 18, the micro pipe jacking machine head 18 is coaxially fixed with the force transmission screw 17, a cutter head 12 is disposed at the axial center of the micro pipe jacking machine head 18, and the PVC micro pipe jacking mechanism 9 is fixed with a PVC pipe 15 through a cylindrical connection joint 14.
And all that is not described in detail in this specification is well known to those skilled in the art.
When the PVC pipe 15 is used, the PVC pipe 15 is firstly placed at the bottom of the starting steel well 5 and is positioned right in front of the push-pull pipe machine 10, then the top cylinder 16 is placed at the inner side of the PVC pipe 15, then the force transmission screw 17 is installed at the rotating end of the push-pull pipe machine 10, and finally the force transmission screw 17 stretches into the top cylinder 16, and at the moment, the tail end of the PVC pipe 15 is abutted against the section of the push-pull pipe machine 10.
The hydraulic unit 7 is started to drive the push-pull pipe machine 10 to push, and meanwhile, the rotating end of the push-pull pipe machine 10 drives the force transmission screw 17 to rotate, so that the force transmission screw 17 can be pushed forward in a screwing mode, and the force transmission screw 17 drives the cutter disc 12 to perform tapping operation.
In the process of perforating, part of jacking force is transmitted through the force transmission screw 17 so as to balance the head-on resistance in front of the heading machine and share the stress of the PVC pipe 15. The PVC pipe 15 has the advantages that the pipe wall only bears frictional resistance, so that the PVC pipe is prevented from being unstable in the jacking process, and a certain protection effect is also achieved.
Meanwhile, through the two groups of high-pressure pumps 3, one group of high-pressure pumps 3 (not shown in the figure) injects high-pressure water flow into the force-transmitting screw 17 to mix the excavated soil so as to form slurry for convenient discharge, and the other group of high-pressure pumps 3 extend into a gap between the force-transmitting screw 17 and the top cylinder 16, and the slurry is pumped into the sedimentation tank 2 for temporary storage through the gap.
Along with the pushing of the jacking pipe, the follow-up PVC pipe 15 is connected quickly, and the jacking cylinder 16 and the force transmission screw 17 are lengthened accordingly so as to ensure the continuous jacking of the jacking pipe.
In summary, the miniature pipe jacking technology is applied to the laying of plastic pipe pipelines, the technology is more mature, and compared with the traditional plastic pipe laying methods such as pilot drilling, directional drilling and the like, the miniature pipe jacking device omits the step of multiple reaming and has the advantage of one hole forming, and secondly, because the mechanical property of the plastic pipe is lower than that of the concrete, steel or cast iron pipe, in order to solve the problem, a force transmission screw is directly connected with a pipe jacking mechanism, and partial jacking force is transmitted through the force transmission screw to balance the frontal resistance before a development machine, so that the stress of the PVC pipe is shared. The PVC pipe wall only bears friction force, and prevents the PVC pipe wall from being unstable or damaged in the jacking process, thereby realizing the grafting of the pipe jacking technology in the laying application of plastic pipes.
It should be noted that, the electrical components appearing in this document are all connected to an external main controller and 380V mains supply, and the main controller may be a conventional known device for controlling a computer, etc., and the control principle, the internal structure, the control switching manner, etc. of the main controller are all conventional means in the prior art, and are directly cited herein, which are not repeated herein, and relational terms such as first and second, etc. are used solely to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A miniature push pipe device of primary pore-forming PVC, its characterized in that: the device comprises a soil layer (1), wherein two sides of the soil layer (1) are respectively and downwards vertically provided with a receiving steel well (8) and an originating steel well (5), and the top of the soil layer (1) is respectively provided with a sedimentation tank (2), a high-pressure pump (3) and a hydraulic unit (7);
an operation table (4), a push-pull pipe machine (10) and a rear seat (11) for supporting the push-pull pipe machine (10) are respectively arranged in the starting steel well (5), and the hydraulic unit (7) is communicated with the push-pull pipe machine (10) through a hydraulic pipeline;
the rotating end of the push-pull pipe machine (10) is rotationally connected with a force transmission screw rod (17), a top cylinder (16) is covered outside the force transmission screw rod (17), a PVC pipe (15) is covered outside the top cylinder (16), and one end of the PVC pipe (15) is abutted to the end face of the push-pull pipe machine (10);
the miniature PVC pipe jacking mechanism (9) is installed at one end of the force transmission screw (17) far away from the push-pull pipe machine (10), and the miniature PVC pipe jacking mechanism (9) is fixed with a PVC pipe (15) through a cylindrical connecting joint (14).
2. The disposable pore-forming PVC micro push bench according to claim 1, wherein: the PVC miniature pipe jacking mechanism (9) comprises a PVC miniature pipe jacking machine body part (13) and a miniature pipe jacking machine head (18), wherein the miniature pipe jacking machine head (18) is coaxially fixed with a force transmission screw (17), and a cutter head (12) is arranged at the axis of the miniature pipe jacking machine head (18).
3. The disposable pore-forming PVC micro push bench according to claim 1, wherein: the high-pressure pump (3) is at least provided with two groups, one group is communicated with the sedimentation tank (2), the high-pressure pump (3) can pump out mud at the inner side of the top cylinder (16), and the other group is used for injecting water into the force transmission screw (17).
4. The disposable pore-forming PVC micro push bench according to claim 1, wherein: the inside of the force transmission screw (17) is of a hollow structure, and a water injection hole communicated with the inside of the force transmission screw (17) is formed in the rotating end of the push-pull pipe machine (10).
5. The disposable pore-forming PVC micro push bench according to claim 1, wherein: the top of the push-pull tube machine (10) is provided with a laser theodolite (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215091.1U CN219866605U (en) | 2023-05-18 | 2023-05-18 | Miniature push pipe device of primary pore-forming PVC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215091.1U CN219866605U (en) | 2023-05-18 | 2023-05-18 | Miniature push pipe device of primary pore-forming PVC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866605U true CN219866605U (en) | 2023-10-20 |
Family
ID=88331838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321215091.1U Active CN219866605U (en) | 2023-05-18 | 2023-05-18 | Miniature push pipe device of primary pore-forming PVC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866605U (en) |
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2023
- 2023-05-18 CN CN202321215091.1U patent/CN219866605U/en active Active
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