CN211648176U - Pipe jacking construction device - Google Patents
Pipe jacking construction device Download PDFInfo
- Publication number
- CN211648176U CN211648176U CN202020191459.5U CN202020191459U CN211648176U CN 211648176 U CN211648176 U CN 211648176U CN 202020191459 U CN202020191459 U CN 202020191459U CN 211648176 U CN211648176 U CN 211648176U
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- Prior art keywords
- jacking
- drill bit
- pipe
- assembly
- soil
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- 238000010276 construction Methods 0.000 title claims abstract description 49
- 239000002689 soil Substances 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
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- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a push pipe construction equipment belongs to non-excavation push pipe construction technical field. The pipe jacking construction device comprises an originating pipe jacking, a jacking drill bit, a driving assembly, a water spraying assembly and a soil temporary storage assembly. The jacking drill bit is conical, the surface of the jacking drill bit is provided with a plurality of crushing structures, and the large head end of the jacking drill bit is connected with the jacking front end of the originating pipe; the driving assembly is used for driving the jacking drill bit to rotate around the axis of the originating pipe; the water spraying assembly is used for spraying water to the surface of the jacking drill bit; the soil temporary storage assembly is arranged in the initial jacking pipe and is used for temporarily storing sandy soil excavated by the jacking drill bit. The utility model discloses be applicable to harder soil layer more, reduce the wearing and tearing to the advancing drill bit that pushes up, the long service life of advancing drill bit, the efficiency of construction is high.
Description
Technical Field
The utility model relates to a non-excavation push pipe construction technical field especially relates to a push pipe construction equipment.
Background
Along with the rapid development of urban infrastructure construction, various underground pipelines are criss-cross underground, and more buildings are arranged on the ground.
The pipe jacking construction is that under the action of jacking force generated by jacking equipment in a working pit, the friction force between a pipeline and a sandy soil body is overcome, the pipeline is jacked into sandy soil according to design requirements, and earthwork is taken out and transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously.
However, when the pipe jacking construction encounters a hard soil layer, the drill bit is easy to wear or a manual excavation mode is adopted, but the method has certain dangerousness, and a large amount of manpower and time are consumed in the implementation process, so that the construction progress is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a push pipe construction equipment is applicable to the construction of harder soil layer, reduces the wearing and tearing to the drill bit, the long service life of drill bit, and the efficiency of construction is high.
In order to realize the purpose, the following technical scheme is provided:
a pipe jacking construction device comprising:
starting a jacking pipe;
the jacking drill bit is conical, the surface of the jacking drill bit is provided with a plurality of crushing structures, and the large head end of the jacking drill bit is connected with the jacking front end of the originating pipe;
the driving assembly is used for driving the jacking drill bit to rotate around the axis of the originating pipe;
the water spraying assembly is used for spraying water to the surface of the jacking drill bit;
and the soil temporary storage assembly is arranged in the starting ejector pipe and is used for temporarily storing the sandy soil excavated by the jacking drill bit.
As the utility model discloses a push pipe construction equipment's preferred scheme, crushing structure includes a plurality of crushing teeth that connect gradually, crushing structure is a plurality of crushing tooth is followed in proper order the circumference of advancing the drill bit distributes, and is a plurality of crushing structure is followed the axial distribution of advancing the drill bit.
As the utility model discloses a push pipe construction equipment's preferred scheme, the front end of originating the push pipe is equipped with the fixed plate, drive assembly's casing is located on the fixed plate, just drive assembly is located in the advancing drill bit, drive assembly's output with the pivot of advancing the drill bit is connected.
As the utility model discloses a push pipe construction equipment's preferred scheme, the big head end of jacking drill bit is equipped with first breach, the bottom of fixed plate is equipped with the second breach, by kibbling sand by first breach with the second breach gets into the subassembly is kept in to soil.
As the utility model discloses a push pipe construction equipment's preferred scheme, the subassembly of keeping in soil is including carrying piece and soil temporary storage case, carry the piece will the sand and soil of second breach department is carried extremely soil temporary storage case.
As the utility model discloses a push pipe construction equipment's preferred scheme, carry the piece to be screw conveyer.
As the utility model discloses a push pipe construction equipment's preferred scheme, carry the piece to be the belt.
As the utility model discloses a push pipe construction equipment's preferred scheme, the water spray subassembly includes storage water tank and a plurality of shower nozzle, every the shower nozzle pass through the raceway with the storage water tank intercommunication, the shower nozzle runs through the fixed plate with the drill bit is advanced in the top.
As the utility model discloses a push pipe construction equipment's preferred scheme, the shower nozzle is equipped with two.
The utility model has the advantages that:
the utility model provides a push pipe construction device, wherein, a driving component drives a jacking drill bit to rotate around the axis of an originating push pipe relative to the originating push pipe, so as to crush the soil layer at the jacking front end of the originating push pipe, thereby driving the originating push pipe to continuously jack forward; before and during jacking, the water spraying assembly sprays water to the surface of the jacking drill bit, so that soil layers near the jacking drill bit are moistened, harder soil layers and larger stone blocks are easier to break and crush, the loss of the jacking drill bit is reduced, and the construction progress is ensured; the crushed sand is temporarily stored in a soil temporary storage assembly in the originating top pipe. The jacking drill bit is conical, and the surface of the jacking drill bit is provided with a plurality of crushing structures so as to improve the crushing capacity of the jacking drill bit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a front view of a pipe jacking construction device provided in an embodiment of the present invention;
FIG. 2 is a top view of the pipe jacking construction device provided by the embodiment of the present invention;
fig. 3 is a schematic view of a jacking drill bit according to an embodiment of the present invention.
Reference numerals:
1-starting a pipe jacking; 2-jacking a drill bit; 3-a water spray assembly; 4-a soil temporary storage assembly; 5, fixing a plate;
21-crushing structure; 211-crushing teeth;
31-a spray head; 32-water conveying pipes;
41-a conveying member; 42-soil temporary storage box.
Detailed Description
In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 3, the embodiment provides a pipe jacking construction device, which is mainly suitable for a construction environment with a hard soil layer and ensures the construction progress. The pipe jacking construction device comprises an originating pipe jacking 1, a jacking drill bit 2, a driving assembly (not shown), a water spraying assembly 3 and a soil temporary storage assembly 4.
Wherein, the starting jacking pipe 1 is a jacking pipe pushed in by the first section. The jacking bit 2 and the drive assembly are both mounted to the jacking front end of the starter pipe 1. The driving assembly drives the jacking drill bit 2 to rotate around the axis of the starting jacking pipe 1 relative to the starting jacking pipe 1, so that soil layers at the jacking front end of the starting jacking pipe 1 are crushed, and the starting jacking pipe 1 is driven to be continuously jacked forwards. The drive assembly is preferably a drive motor. Before the jacking and the jacking in-process, water spray component 3 sprays water to the surface of jacking drill bit 2 to moist near the soil layer of jacking drill bit 2, make harder soil layer and the stone of great piece more easily destroyed and smash, reduce the loss to jacking drill bit 2, guarantee the construction progress. The crushed sandy soil is temporarily stored in the soil temporary storage assembly 4 in the originating pipe jacking 1.
It should be noted that a jack can be arranged in the working pit to provide a certain propelling force for the starting pipe jacking 1 and prevent the starting pipe jacking 1 from retreating; in addition, after the initial jacking pipe 1 is in place, the jack retracts, a second section of jacking pipe is lowered, then the jack extends out again, jacking continues, after the second section of jacking pipe is in place, the jack retracts again, a third section of jacking pipe is lowered, the jack extends out again, jacking continues, and the process is repeated to complete the whole jacking pipe construction; are all the prior art and are not described herein.
In order to install the driving assembly, a fixing plate 5 is arranged at the jacking front end of the launching pipe 1, and a shell of the driving assembly is arranged on the fixing plate 5. The driving assembly is located in the jacking drill bit 2, and the output end of the driving assembly is connected with the rotating shaft of the jacking drill bit 2 so as to drive the jacking drill bit 2 to rotate stably. The end part of the jacking front end of the originating jacking pipe 1 can be also provided with an annular guide rail to guide the rotation of the jacking drill bit 2, so that the jacking drill bit 2 is prevented from deviating from a preset construction line, and the construction precision of the jacking pipe is ensured.
To improve the crushing ability of the push drill 2, the push drill 2 is preferably tapered, and the large end of the push drill 2 is connected to the push front end of the start pipe 1. The surface of the jacking drill bit 2 is provided with a plurality of crushing structures 21 to crush the soil layer.
Illustratively, the breaker structure 21 includes a plurality of breaker teeth 211 connected in series to increase shear forces on the earth strata to more effectively break and break the earth strata. The plurality of crushing teeth 211 of the crushing structure 21 are sequentially distributed along the circumferential direction of the jacking drill bit 2, and the plurality of crushing structures 21 are distributed along the axial direction of the jacking drill bit 2 to crush the soil layer around the jacking drill bit 2 in all directions.
Furthermore, a first notch (not shown) is arranged at the large end of the jacking drill bit 2, and a second notch (not shown) is arranged at the bottom of the fixing plate 5, so that the crushed sandy soil can enter the soil temporary storage assembly 4 through the first notch and the second notch.
Specifically, the soil temporary storage assembly 4 includes a conveying member 41 and a soil temporary storage box 42, and the conveying member 41 can convey the sandy soil at the second gap to the soil temporary storage box 42. The conveying member 41 may be a screw conveyor or a belt, which is prior art and will not be described in detail.
Further, the water spraying assembly 3 includes a water storage tank (not shown) and a plurality of spray heads 31. The water storage tank can be arranged in the originating pipe 1 and also can be arranged on the ground. Each spray head 31 is communicated with the water storage tank through a water conveying pipe 32. The spray head 31 penetrates through the fixing plate 5 and the jacking drill bit 2 and extends out of the surface of the jacking drill bit 2 to spray water to the soil layer near the jacking drill bit 2. In order to ensure effective wetting of the soil layer, two spray heads 31 are provided.
In the pipe jacking device provided by the embodiment, the driving assembly drives the jacking drill bit 2 to rotate around the axis of the original pipe jacking 1, the jacking drill bit 2 drives the original pipe jacking 1 to jack forwards, the jacking drill bit 2 is conical, and the crushing structure 21 on the jacking drill bit effectively crushes the soil layer to ensure the jacking speed; during jacking advance and jacking process, the water spraying assembly 3 sprays water to soil layers near the jacking drill bit 2 to be wet, so that harder soil layers or large stones are easier to break and crush, the resistance on the jacking drill bit 2 is reduced, the abrasion of the jacking drill bit 2 is reduced, and the jacking construction efficiency is improved; the crushed sand soil enters the soil temporary storage assembly 4 from the first notch of the jacking drill bit 2 and the second notch of the fixing plate 5 for storage.
The embodiment also provides a pipe jacking construction method, which adopts the pipe jacking construction device and comprises the following steps:
s1, spraying water to the surface of the jacking drill bit 2 by the water spraying assembly 3 to wet the soil layer near the jacking drill bit 2;
s2, the driving assembly drives the jacking drill bit 2 to rotate so as to drive the originating pipe 1 to jack forwards;
and S3, the crushed sandy soil enters the soil temporary storage assembly 4 from the first notch on the jacking drill bit 2 and the second notch on the fixing plate 5.
The pipe jacking construction method is more suitable for harder soil layers, reduces abrasion to the jacking drill bit 2, and is long in service life of the jacking drill bit 2 and high in construction efficiency.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A pipe jacking construction device is characterized by comprising:
a starting pipe (1);
the jacking drill bit (2) is conical, a plurality of crushing structures (21) are arranged on the surface of the jacking drill bit (2), and the large end of the jacking drill bit (2) is connected to the jacking front end of the originating pipe (1);
the driving assembly is used for driving the jacking drill bit (2) to rotate around the axis of the initial jacking pipe (1);
the water spraying assembly (3) is used for spraying water to the surface of the jacking drill bit (2);
and the soil temporary storage assembly (4) is arranged in the originating pipe jacking (1) and is used for temporarily storing the sandy soil excavated by the jacking drill bit (2).
2. Pipe jacking construction device according to claim 1, wherein said crushing structure (21) comprises a plurality of crushing teeth (211) connected in sequence, said plurality of crushing teeth (211) of said crushing structure (21) being distributed in sequence along the circumferential direction of said jacking bit (2), said plurality of crushing structures (21) being distributed along the axial direction of said jacking bit (2).
3. The pipe jacking construction device according to claim 1, wherein a fixing plate (5) is arranged at the front end of the originating pipe jacking (1), a shell of the driving assembly is arranged on the fixing plate (5), the driving assembly is positioned in the jacking drill bit (2), and the output end of the driving assembly is connected with a rotating shaft of the jacking drill bit (2).
4. The pipe jacking construction device according to claim 3, wherein the large end of the jacking drill bit (2) is provided with a first notch, the bottom of the fixing plate (5) is provided with a second notch, and crushed sandy soil enters the soil temporary storage assembly (4) from the first notch and the second notch.
5. Pipe jacking construction device according to claim 4, wherein the soil working assembly (4) comprises a conveyor (41) and a soil working tank (42), the conveyor (41) conveying the sand at the second breach to the soil working tank (42).
6. Pipe jacking construction device according to claim 5, wherein said conveying member (41) is a screw conveyor.
7. Pipe jacking construction device according to claim 5, wherein said conveying member (41) is a belt.
8. Pipe jacking construction device according to claim 3, wherein said water spraying assembly (3) comprises a water storage tank and a plurality of spray heads (31), each spray head (31) being in communication with said water storage tank through a water pipe (32), said spray heads (31) penetrating said fixing plate (5) and said jacking bit (2).
9. Pipe jacking construction device according to claim 8, wherein there are two of said nozzles (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191459.5U CN211648176U (en) | 2020-02-21 | 2020-02-21 | Pipe jacking construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191459.5U CN211648176U (en) | 2020-02-21 | 2020-02-21 | Pipe jacking construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648176U true CN211648176U (en) | 2020-10-09 |
Family
ID=72685247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020191459.5U Active CN211648176U (en) | 2020-02-21 | 2020-02-21 | Pipe jacking construction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648176U (en) |
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2020
- 2020-02-21 CN CN202020191459.5U patent/CN211648176U/en active Active
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