CN207989033U - A kind of cutter head of shield machine central area flushing device - Google Patents
A kind of cutter head of shield machine central area flushing device Download PDFInfo
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- CN207989033U CN207989033U CN201820314095.8U CN201820314095U CN207989033U CN 207989033 U CN207989033 U CN 207989033U CN 201820314095 U CN201820314095 U CN 201820314095U CN 207989033 U CN207989033 U CN 207989033U
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- pressure
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Abstract
The utility model provides a kind of cutter head of shield machine central area flushing device, including cutter head panel, high pressure water pump group, high pressure gas pump group and nozzle, nozzle is fixedly mounted at the center of cutter head panel, high pressure water pump group includes filter, high-pressure hydraulic pump, booster pump and transfer pipeline, high-pressure hydraulic pump and booster pump are driven by driving motor I, driving motor II respectively, the outlet of booster pump is connected by transfer pipeline with nozzle, and the exit of booster pump is equipped with check valve；High pressure gas pump group includes high-pressure pump, driving motor III, air delivering pipeline, and driving motor III drives high-pressure pump work, and the outlet of high-pressure pump is connected by air delivering pipeline with transfer pipeline.The utility model is swift and convenient to operate, it can ensure that mud or flow have enough pressure, and then efficiently and thoroughly remove the mud cake in cutter head center region, effectively make up the defect of existing high pressure water pump group insufficient pressure, the risk for also avoiding artificial warehouse entry with pressure, is worthy to be popularized.
Description
Technical field
The utility model is related to a kind of flushing device, specifically a kind of cutter head of shield machine central area flushing device.
Background technology
When passing through the stratum rich in clay particle, the sticky soil body of excavation face is rolled shield machine by cutterhead, easily
Gradually form the mud cake of attachment on cutterhead face around from cutter head center position, hard mud cake can block cutterhead opening, shadow
Shield machine normal work is rung, is possible to cause a degree of damage to shield machine when serious.Existing processing method is to pass through
High-pressure slurry cleans cutterhead fast idle cutterhead simultaneously, and the surface of cutterhead is detached by the centrifugal force of mud cake itself.But this
Kind method need to be only applicable to slight mud lining phenomenon, for serious mud lining situation, the professional artificial warehouse entry with pressure of often selection
Mud cake is removed, and the operation carries certain risk, and also the work prepared is more, and the time is long, influences drivage efficiency.
Application No. is 201220019589.6 Chinese patents to disclose a kind of area of large-scale slurry type shield machine knife disk center
Domain flushing device, but the patent described device is by muddy water booster pump supercharging due to being limited, it can not multi-faceted whitewashing Cleaning cutter pan
Or achieve the effect that remove comprehensively, it is bad to hard mud cake cleaning effect, and it needs continuous work, it is clear after a period of time
Dead angle after reason will appear bonds mud cake phenomenon again.
Utility model content
The purpose of this utility model is exactly in order to solve the problems existing in the prior art, and to devise a kind of cutter head of shield machine
Central area flushing device can effectively wash away the mud cake at cutter head of shield machine center, and make up existing high pressure water pump group pressure
Insufficient defect also avoids the risk of artificial warehouse entry with pressure, and whole process is efficient and convenient, can be completed in a short time,
Construction speed is not interfered with.
The technical solution of the utility model is：The utility model provides a kind of cutter head of shield machine central area and washes away dress
It sets, including cutter head panel, it is characterised in that：Further include high pressure water pump group, high pressure gas pump group and nozzle, the nozzle is fixedly mounted
At the center of cutter head panel, the high pressure water pump group includes sequentially connected filter, high-pressure hydraulic pump, booster pump and delivery pipe
Road, the high-pressure hydraulic pump and booster pump are driven by driving motor I, driving motor II respectively, and the outlet of the booster pump passes through defeated
Pipeline is sent to be connected with nozzle；The high pressure gas pump group includes high-pressure pump, driving motor III and air delivering pipeline, the driving electricity
Machine III drives high-pressure pump work, and the outlet of the high-pressure pump is connected by air delivering pipeline with transfer pipeline.
The middle part of said nozzle is provided with the intake tunnel being connected with transfer pipeline along its axial direction, the nozzle
Its circumferential direction of outer wall upper edge is evenly arranged with apopore, and the apopore is connected with intake tunnel.
The exit of above-mentioned booster pump is provided with check valve.
The pressure of above-mentioned booster pump is set as 7 bar ~ 8bar, the pressure of the high-pressure pump be set as 140bar ~
150bar。
It is respectively arranged with pressure gauge on above-mentioned transfer pipeline and air delivering pipeline.
The beneficial effects of the utility model can obtain through the above scheme：It 1, in the present invention, can be according to cutterhead
The mud cake flintiness in face plate center region, selection only with high pressure water pump group liquidates brush mud or flow carries out supercharging or simultaneously
Brush mud is liquidated using high pressure water pump group and high pressure gas pump group or flow is pressurized, and then it is enough to ensure that mud or flow have
Pressure, efficiently and thoroughly to remove the mud cake in cutter head center region, easy to operate, using flexible.2, the utility model
The defect only with existing high pressure water pump group to insufficient pressure caused by mud or clear water supercharging is effectively compensated for, people is also avoided
The risk of work warehouse entry with pressure, and whole process is efficient and convenient, can be completed in a short time, not interfere with construction speed, is worth
It promotes.
It can be seen that the utility model has substantive distinguishing features outstanding and significant progress compared with prior art,
The advantageous effect of implementation is also obvious.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of nozzle and cutter head panel in the utility model.
Wherein, 1 is pressure gauge, and 2 be high-pressure pump, and 3 be driving motor III, and 4 be pressure gauge, and 5 be booster pump, and 6 be high pressure
Water pump, 7 be driving motor I, and 8 be driving motor II, and 9 be check valve, and 10 be transfer pipeline, and 11 be air delivering pipeline, and 12 be nozzle,
13 be cutter head panel, and 14 be filter.
Specific implementation mode：
The utility model in order to better understand explains in detail the embodiment of the utility model below in conjunction with the accompanying drawings.
The utility model provides a kind of cutter head of shield machine central area flushing device, including cutter head panel 13, high pressure water
Pump group, high pressure gas pump group and nozzle 12, the nozzle 12 are fixedly mounted at the center of cutter head panel 13, the high pressure water pump group
Including sequentially connected filter 14, high-pressure hydraulic pump 6, booster pump 5 and transfer pipeline 10, the high-pressure hydraulic pump 6 and booster pump 5 divide
It not being driven by driving motor I 7, driving motor II 8, the outlet of the booster pump 5 is connected by transfer pipeline 10 with nozzle 12,
The pressure of the booster pump 5 is set as 7 bar ~ 8bar, and the exit of the booster pump 5 is provided with check valve 9, to ensure height
Pressure mud or high pressure water flow toward the direction, prevent 9 front of check valve from entering the height of transfer pipeline 10 by high pressure gas pump group
Pressure gas compression mud or water body are allowed to that adverse current occurs；The high pressure gas pump group includes high-pressure pump 2, driving motor III 3, gas transmission
Pipeline 11, the driving motor III 3 drive high-pressure pump 2 to work, the outlet of the high-pressure pump 2 by air delivering pipeline 11 with it is defeated
Pipeline 10 is sent to be connected, the pressure of the high-pressure pump 2 is set as 140bar ~ 150bar.By high pressure gas pump group to air into
Row supercharging, high pressure gas after supercharged enter transfer pipeline 10 by air delivering pipeline 11, and high pressure gas compresses the height in transfer pipeline
The volume of pressure water is allowed to further be pressurized, and highest can make water pressure be promoted to 150bar.On transfer pipeline and air delivering pipeline respectively
It is provided with pressure gauge, to observe the pressure of mud or flow in real time, and then guarantees efficiently and thoroughly to remove cutter head center area
The mud cake in domain.
In the present embodiment, it is logical to be provided with the water inlet being connected with transfer pipeline 10 along its axial direction for the middle part of nozzle 12
Road, its circumferential direction of the outer wall upper edge of the nozzle 12 are evenly arranged with apopore, and the apopore is connected with intake tunnel,
The multi-faceted cleaning to cutter head center region mud cake can be realized by the design.
When mud lining phenomenon occurs in shield cutter, and shield machine is caused not tunnel forward normally, then shield, which is shut down, to be used
The present apparatus clears up mud cake.（1）Each component is connected in turn, the valve of all parts is opened, checks whole device
Air-tightness be then shut off；（2）Open high pressure water pump group, in transfer pipeline 10 clear water or mud carry out first time supercharging,
Mud or clear water after supercharged pass through 9 flow forward of check valve；（3）When the mud cake flintiness of 13 central area of cutter head panel is small,
It is required when washing away mud or low water flow pressure, it can directly be rushed with the high-pressure slurry or high pressure water by supercharging for the first time
Brush；It is required when washing away mud or larger water flow pressure when mud cake hardness is larger, high pressure gas pump group is opened, high-pressure pump is made
For group by air delivering pipeline 11 to 10 conveying high-pressure gas of transfer pipeline, the volume of high pressure gas compression mud or water is allowed to carry out the
Secondary booster continues to lift up high-pressure gas pressure if being not up to the minimum pressure values for clearing up mud cake if pressure, and highest can make hydraulic pressure
Power is promoted to 150bar.（4）The high-pressure slurry or high pressure water met the requirements enters nozzle, is sprayed by the apopore of nozzle, in turn
Realize the multi-faceted cleaning to cutter head center region mud cake.
The utility model can ensure that mud or flow have enough pressure, and then efficiently and thoroughly remove in cutterhead
The mud cake in heart district domain effectively makes up and is only lacked to insufficient pressure caused by mud or clear water supercharging with existing high pressure water pump group
It falls into, also avoids the risk of artificial warehouse entry with pressure, and whole process is efficient and convenient, can be completed in a short time, not interfere with
Construction speed is worthy to be popularized.
The above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, are also answered
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of cutter head of shield machine central area flushing device, including cutter head panel, it is characterised in that：It further include high-pressure hydraulic pump
Group, high pressure gas pump group and nozzle, the nozzle are fixedly mounted at the center of cutter head panel, and the high pressure water pump group includes successively
Filter, high-pressure hydraulic pump, booster pump and the transfer pipeline of connection, the high-pressure hydraulic pump and booster pump are respectively by driving motor I, drive
Dynamic motor II drives, and the outlet of the booster pump is connected by transfer pipeline with nozzle；The high pressure gas pump group includes high pressure
Air pump, driving motor III and air delivering pipeline, the driving motor III drive high-pressure pump work, the outlet of the high-pressure pump logical
Air delivering pipeline is crossed with transfer pipeline to be connected.
2. cutter head of shield machine central area as described in claim 1 flushing device, it is characterised in that：The middle part edge of the nozzle
Its axial direction is provided with the intake tunnel being connected with transfer pipeline, its circumferential direction of the outer wall upper edge of the nozzle is uniformly set
It is equipped with apopore, the apopore is connected with intake tunnel.
3. cutter head of shield machine central area as described in claim 1 flushing device, it is characterised in that：The outlet of the booster pump
Place is provided with check valve.
4. the cutter head of shield machine central area flushing device as described in claims 1 or 2 or 3, it is characterised in that：The booster pump
Pressure be set as 7 bar ~ 8bar, the pressure of the high-pressure pump is set as 140bar ~ 150bar.
5. cutter head of shield machine central area as claimed in claim 4 flushing device, it is characterised in that：The transfer pipeline and defeated
Pressure gauge is respectively arranged on air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314095.8U CN207989033U (en) | 2018-03-07 | 2018-03-07 | A kind of cutter head of shield machine central area flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314095.8U CN207989033U (en) | 2018-03-07 | 2018-03-07 | A kind of cutter head of shield machine central area flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989033U true CN207989033U (en) | 2018-10-19 |
Family
ID=63826430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820314095.8U Active CN207989033U (en) | 2018-03-07 | 2018-03-07 | A kind of cutter head of shield machine central area flushing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207989033U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209416A (en) * | 2018-11-16 | 2019-01-15 | 中国铁建重工集团有限公司 | A kind of cutterhead spray water control system and hard rock tunnel development machine |
| CN109281679A (en) * | 2018-10-18 | 2019-01-29 | 上海隧道工程有限公司 | For coping with the incrusted physical control method of shield cutter and control system |
| CN110420916A (en) * | 2019-07-30 | 2019-11-08 | 上海隧道工程有限公司 | For handling the high pressure air-liquid flusher and method of shield cutter mud cake |
| CN110836116A (en) * | 2019-11-19 | 2020-02-25 | 中铁工程服务有限公司 | Flushing system for preventing mud cake in center area of cutter head of shield tunneling machine |
| CN114017045A (en) * | 2021-11-05 | 2022-02-08 | 中铁十四局集团有限公司 | Shield cutter head flushing device and shield machine with same |
| CN115163106A (en) * | 2022-08-04 | 2022-10-11 | 天津路桥建设工程有限公司 | Town road push pipe reaming device |
-
2018
- 2018-03-07 CN CN201820314095.8U patent/CN207989033U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281679A (en) * | 2018-10-18 | 2019-01-29 | 上海隧道工程有限公司 | For coping with the incrusted physical control method of shield cutter and control system |
| CN109209416A (en) * | 2018-11-16 | 2019-01-15 | 中国铁建重工集团有限公司 | A kind of cutterhead spray water control system and hard rock tunnel development machine |
| CN110420916A (en) * | 2019-07-30 | 2019-11-08 | 上海隧道工程有限公司 | For handling the high pressure air-liquid flusher and method of shield cutter mud cake |
| CN110420916B (en) * | 2019-07-30 | 2021-08-06 | 上海隧道工程有限公司 | High-pressure gas and liquid flushing device and method for treating mud cake of shield cutter head |
| CN110836116A (en) * | 2019-11-19 | 2020-02-25 | 中铁工程服务有限公司 | Flushing system for preventing mud cake in center area of cutter head of shield tunneling machine |
| CN110836116B (en) * | 2019-11-19 | 2021-04-30 | 中铁工程服务有限公司 | Flushing system for preventing mud cake in center area of cutter head of shield tunneling machine |
| CN114017045A (en) * | 2021-11-05 | 2022-02-08 | 中铁十四局集团有限公司 | Shield cutter head flushing device and shield machine with same |
| CN114017045B (en) * | 2021-11-05 | 2024-05-10 | 中铁十四局集团有限公司 | Shield cutter head flushing device and shield machine with same |
| CN115163106A (en) * | 2022-08-04 | 2022-10-11 | 天津路桥建设工程有限公司 | Town road push pipe reaming device |
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