CN208203281U - Rectangular pipe jacking machine excavation face blind area crushing device - Google Patents
Rectangular pipe jacking machine excavation face blind area crushing device Download PDFInfo
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- CN208203281U CN208203281U CN201820430025.9U CN201820430025U CN208203281U CN 208203281 U CN208203281 U CN 208203281U CN 201820430025 U CN201820430025 U CN 201820430025U CN 208203281 U CN208203281 U CN 208203281U
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- crushing device
- high pressure
- blind area
- rectangular pipe
- pipe jacking
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Abstract
The utility model relates to trenchless engineering equipment technical fields, a kind of specifically rectangular pipe jacking machine excavation face blind area crushing device, driving mechanism is equipped in the crushing device, the output end of the driving mechanism and cross the taper device that breaks ground are connected, several axial high pressure nozzles are equipped with and several radial high-pressure nozzles, the axial high pressure nozzle and radial high-pressure nozzle are connected with high-pressure water around the cross taper device that breaks ground.Compared with the existing technology, composite structure simple possible is easily installed and dismantles the utility model, the advantage is that: can provide larger top power, the device that breaks ground is in " cross taper ", can generate very big pressure, greatly improve efficiency of breaking ground；And surrounding adds the high-pressure water nozzle in different jet direction, while as cleaning, cooling device, participates in the cutwork of abolishing of soft rock and the stabilization zone soil body, improves stock-removing efficiency, and can also soften the soil body abolished, smoothly exclude conducive to the soil body.
Description
Technical field
The utility model relates to trenchless engineering equipment technical fields, and specifically a kind of rectangular pipe jacking machine excavation face is blind
Area's crushing device.
Background technique
Currently, most rectangular top pipe constructions use rectangular pipe jacking machine, the push pipe of this type is regardless of each cutter diameter
How to distribute, can always there is the region that push pipe can not be cut.These regions can only utilize the sphenoid of its end face in construction
It waits special constructions that the soil body is broken by force or is depressed into knife cutting area and cut, thus largely increase jacking resistance,
Especially in soft rock strata and stabilization zone.
Therefore, it is necessary to design a kind of novel rectangular pipe jacking machine excavation face blind area crushing device.
Summary of the invention
Utility model aims to solve the deficiencies in the prior art, and it is broken to provide a kind of rectangular pipe jacking machine excavation face blind area
Crushing device improves efficiency of breaking ground, and is particularly suitable for the construction of soft rock strata and stabilization zone.
To achieve the goals above, a kind of rectangular pipe jacking machine excavation face blind area crushing device, the crushing device are designed
Interior to be equipped with driving mechanism, the output end of the driving mechanism and cross the taper device that breaks ground are connected, the circular cross taper
The device that breaks ground is equipped with several axial high pressure nozzles and several radial high-pressure nozzles, the axial high pressure nozzle and radial high-pressure spray
Mouth is connected with high-pressure water.
The cross taper breaks ground device one end as the connecting pin for being connected with output end, and the other end is working end,
The working end is cross taper.
The first longitudinal direction structure and second that the cross taper is symmetrically arranged with by a transverse structure and transverse structure two sides
Vertical structure is constituted, and the transverse structure and the first longitudinal direction structure and second longitudinal direction structure collectively form cross,
The cross section of the transverse structure, first longitudinal direction structure and second longitudinal direction structure is gradually reduced along the direction far from connecting pin.
It is equipped with outer housing on the outside of the driving mechanism, the break ground working end of device of the cross taper is exposed in outer housing
Outside.
Described driving mechanism one end is equipped with drive end bearing bracket, and the drive end bearing bracket is connected by bolt with the outer housing,
To realize the fixation of driving mechanism and outer housing.
The driving mechanism other end is additionally provided with rear end cap.
The outer housing is equipped with several axial high pressure nozzles and several radial high-pressure nozzles.
Circumferential high pressure aquaporin, the high pressure aquaporin and several axial high pressures are equipped in the outer housing
Nozzle and several radial high-pressure nozzles are connected, and the external hull surface is additionally provided with the high pressure water being connected with high pressure aquaporin and connects
Interface, for connecting high-pressure water pipe.
Several axial high pressure nozzles and several radial high-pressure nozzles are arranged symmetrically in the circumferential respectively, and described
Axial high pressure nozzle and radial high-pressure nozzle between be in interlaced arrangement.
Compared with the existing technology, composite structure simple possible is easily installed and dismantles the utility model, the advantage is that:
It can provide larger top power, the device that breaks ground is in " cross taper ", can generate very big pressure, greatly improve efficiency of breaking ground；And surrounding increases
If the high-pressure water nozzle in different jet direction, while as cleaning, cooling device, soft rock and the stabilization zone soil body are participated in
Abolish cutwork, improve stock-removing efficiency, and the soil body abolished can also be softened, smoothly excluded conducive to the soil body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model crushing device in an embodiment；
Fig. 2 is the partial sectional view of Section A-A in Fig. 1 in an embodiment；
Fig. 3 is the distribution schematic diagram of the utility model high pressure nozzle in an embodiment；
In figure: 1. rear end caps；2. piston；3. piston rod；4. cylinder body；5. high-pressure water pipe；6. outer housing；The first diameter of 7-1.
To high pressure nozzle；7-2. first axis high pressure nozzle；7-3 the second radial high-pressure nozzle；The axial high pressure nozzle of 7-4 second；
7-5 third radial high-pressure nozzle；7-6 third axial direction high pressure nozzle；The 4th radial high-pressure nozzle of 7-7；7-8 the 4th is axial high
Press nozzle；8. oil inlet；9. oil outlet；10. drive end bearing bracket；11. bolt；13. transverse structure of device 12. cross taper is broken ground
14. 15. second longitudinal direction structure of first longitudinal direction structure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, the people of the structure and principle of this device to this profession
For be very clearly.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
Referring to Fig. 1, the crushing device includes driving mechanism, uses hydraulic cylinder as driving machine in present embodiment
Structure.The break ground connecting pin of device of the output end of the hydraulic cylinder and cross taper is connected, and is additionally provided on the outside of output end outer
Shell, hydraulic cylinder are arranged with drive end bearing bracket in output end, and the drive end bearing bracket is connected by bolt with the outer housing, thus
Realize the fixation of driving mechanism and outer housing, outer casing ends are equipped with opening, for making cross taper break ground the working end of device
Expose outside outer housing.It is additionally provided with rear end cap in the hydraulic cylinder other end, protective casing is equipped between rear end cap and drive end bearing bracket, is prevented
Protective case body is equipped with the oil inlet and oil outlet being connected with hydraulic cylinder.On the outer housing, around the cross cone
Shape breaks ground device equipped with several axial high pressure nozzles and several radial high-pressure nozzles, the axial high pressure nozzle and radial high-pressure
Nozzle can mutually be fixed by bolt with outer housing, and circumferential high pressure aquaporin, the high pressure water are equipped in the outer housing
Channel is connected with described several axial high pressure nozzles and several radial high-pressure nozzles, the external hull surface be additionally provided with
The connected high pressure water connector of high pressure aquaporin is connected after high-pressure water pipe for connecting with high-pressure water.
Referring to fig. 2, the cross taper break ground device working end be cross taper, the cross taper by one cross
The first longitudinal direction structure and second longitudinal direction structure that are symmetrically arranged with to structure and transverse structure two sides are constituted, the transverse structure with
The first longitudinal direction structure and second longitudinal direction structure collectively forms cross, the transverse structure, first longitudinal direction structure and
The cross section of second longitudinal direction structure is gradually reduced along the direction far from connecting pin.In the present embodiment, the transverse structure
For a trapezoidal steel plate, the first longitudinal direction structure and second longitudinal direction structure are respectively a triangular steel plate, and three collectively forms
Cross taper.
Referring to Fig. 3, described several axial high pressure nozzles and several radial high-pressure nozzles are with the cross taper device that breaks ground
Center is evenly arranged in the circumferential respectively, and the quantity of axial high pressure nozzle and the quantity of radial high-pressure nozzle can be corresponding
It can be different.Four axial high pressure nozzles and four radial high-pressure nozzles, adjacent two axial high pressures are used in present embodiment
Angle between nozzle or adjacent two radial high-pressures nozzle is 90 °, and axial high pressure nozzle and straight where the line at center
Line does not coincide with the straight line where radial high-pressure nozzle and the line at center, i.e., so that the axial high pressure nozzle and radial direction
It is in interlaced arrangement between high pressure nozzle.
Embodiment one: the installation of rectangular pipe jacking machine excavation face blind area crushing device.
1, it referring to Fig. 1, according to blind area size, selects the oil cylinder of certain size, and cross taper is broken ground device and oil cylinder
Piston rod front end welds together, and oil cylinder stroke keeps zero shift.Suggest using one or two cutting apparatus in each blind area；
2, it by cylinder sizes, processes and assembles matched high-voltage water jet device；
3, it is excavated in rectangular pipe jacking machine and cuts out the circular hole for being adapted to cylinder body, bolt, high pressure aquaporin in panel blind area；
4, oil cylinder and cross the taper device that breaks ground are mounted on push-bench panel, and are bolted.It may be noted that high
Pressure aquaporin is in inside outer housing, and all components in right side are directly contacted with stratum in shell, high pressure nozzle and Fig. 1；
5, it installs, the test of being sealed property does not meet seal request and is then sealed processing.
Example two: the application method of rectangular pipe jacking machine excavation face blind area crushing device.
1, when boring chance soft rock or stabilization zone, when discovery jacking power is excessive, oil cylinder is opened in time, is refueled from oil inlet, simultaneously
It is filled the water from the high pressure aquaporin of high pressrue jet apparatus；
2, oil cylinder stops refueling to full stroke, and high pressure water keeps uninterrupted injection；
3, after power reduces and keeps relative stability when top, then oil cylinder can be recycled, be simultaneously stopped injection high pressure water；
4, it when pushing up power and not reducing or reduce unobvious, keeps the injection of high pressure water, withdraws oil cylinder to close to oil cylinder
First position, it is proposed that not reach zero stroke, then oil inlet refuels, and oil cylinder and the device that breaks ground is stretched out, repeatedly, until top power
Reduce and keeps relative stability.And in the injection finally withdrawn oil cylinder, stop high pressure water.
Claims (9)
1. a kind of rectangular pipe jacking machine excavation face blind area crushing device, it is characterised in that be equipped with driving machine in the crushing device
Structure, the output end of the driving mechanism and cross the taper device that breaks ground are connected, and are equipped with around the cross taper device that breaks ground
Several axial direction high pressure nozzles and several radial high-pressure nozzles, the axial high pressure nozzle and radial high-pressure nozzle and high-pressure water
It is connected.
2. rectangular pipe jacking machine excavation face as described in claim 1 blind area crushing device, it is characterised in that the cross taper
Device one end break ground as the connecting pin for being connected with output end, the other end is working end, and the working end is cross taper.
3. rectangular pipe jacking machine excavation face as claimed in claim 2 blind area crushing device, it is characterised in that the cross taper
The first longitudinal direction structure and second longitudinal direction structure being symmetrically arranged with by a transverse structure and transverse structure two sides are constituted, the transverse direction
Structure and the first longitudinal direction structure and second longitudinal direction structure collectively form cross, the transverse structure, first longitudinal direction
The cross section of structure and second longitudinal direction structure is gradually reduced along the direction far from connecting pin.
4. rectangular pipe jacking machine excavation face as claimed in claim 2 blind area crushing device, it is characterised in that the driving mechanism
Outside be equipped with outer housing, the cross taper break ground device working end expose outside outer housing.
5. rectangular pipe jacking machine excavation face as claimed in claim 4 blind area crushing device, it is characterised in that the driving mechanism
One end is equipped with drive end bearing bracket, and the drive end bearing bracket is connected by bolt with the outer housing, to realize driving mechanism and shell
The fixation of body.
6. rectangular pipe jacking machine excavation face as claimed in claim 5 blind area crushing device, it is characterised in that the driving mechanism
The other end is additionally provided with rear end cap.
7. rectangular pipe jacking machine excavation face as claimed in claim 4 blind area crushing device, it is characterised in that on the outer housing
Equipped with several axial high pressure nozzles and several radial high-pressure nozzles.
8. rectangular pipe jacking machine excavation face as claimed in claim 7 blind area crushing device, it is characterised in that in the outer housing
Equipped with circumferential high pressure aquaporin, the high pressure aquaporin and several axial high pressure nozzles and several radial high-pressure nozzles
It is connected, the external hull surface is additionally provided with the high pressure water connector being connected with high pressure aquaporin, for connecting high-pressure water pipe.
9. rectangular pipe jacking machine excavation face as claimed in claim 7 blind area crushing device, it is characterised in that several axial directions
High pressure nozzle and several radial high-pressure nozzles are in be evenly arranged, and the axial high pressure nozzle and radial direction are high in the circumferential respectively
Pressing is in interlaced arrangement between nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430025.9U CN208203281U (en) | 2018-03-28 | 2018-03-28 | Rectangular pipe jacking machine excavation face blind area crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430025.9U CN208203281U (en) | 2018-03-28 | 2018-03-28 | Rectangular pipe jacking machine excavation face blind area crushing device |
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| Publication Number | Publication Date |
|---|---|
| CN208203281U true CN208203281U (en) | 2018-12-07 |
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ID=64528870
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820430025.9U Active CN208203281U (en) | 2018-03-28 | 2018-03-28 | Rectangular pipe jacking machine excavation face blind area crushing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266202A (en) * | 2018-03-28 | 2018-07-10 | 中铁上海工程局集团有限公司 | Rectangular pipe jacking machine excavation face blind area breaker and its method |
| CN112922625A (en) * | 2021-02-07 | 2021-06-08 | 南京工业大学 | Large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and construction method |
-
2018
- 2018-03-28 CN CN201820430025.9U patent/CN208203281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266202A (en) * | 2018-03-28 | 2018-07-10 | 中铁上海工程局集团有限公司 | Rectangular pipe jacking machine excavation face blind area breaker and its method |
| CN112922625A (en) * | 2021-02-07 | 2021-06-08 | 南京工业大学 | Large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and construction method |
| CN112922625B (en) * | 2021-02-07 | 2022-04-15 | 南京工业大学 | Large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and construction method |
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