CN208982110U - The booster pump station of shield machine hydraulic system deep-well separate launching - Google Patents
The booster pump station of shield machine hydraulic system deep-well separate launching Download PDFInfo
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- CN208982110U CN208982110U CN201821593284.XU CN201821593284U CN208982110U CN 208982110 U CN208982110 U CN 208982110U CN 201821593284 U CN201821593284 U CN 201821593284U CN 208982110 U CN208982110 U CN 208982110U
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- shield machine
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Abstract
The utility model belongs to shield machine construction technical field.A kind of booster pump station of shield machine hydraulic system deep-well separate launching, including valve group, it, which is connected, is arranged between shield machine host and shield machine Backup system, and the valve group includes the second port of the first port being connected to shield machine Backup system and shield machine host connection；It is provided with constant displacement pump between the fuel tank and first port, is connected between the fuel tank and second port by oil return line；Electrically-controlled component controls the movement of the constant displacement pump according to the height of the oil tank liquid level.The application can give hydraulic system booster action, when main drive motor pressure is excessive, the draining generated flows into fuel tank through second port, while being carried out automatically controlling by the liquid level to fuel tank, the stability for meeting whole system is achieved in going on smoothly for entire separate launching operation.
Description
Technical field
The utility model belongs to shield machine construction technical field, and in particular to a kind of shield machine hydraulic system deep-well fission beginning
The booster pump station of hair.
Background technique
Shield launching is the work progress that shield machine is entered normal headwork state by assembled state, usual situation
Under integrally originated in active well, but in some cases due to the limitation of place space and shield machine and mating trolley thereafter
The limitation of itself overall length originates after cannot once completing complete machine assembling in starting well；It needs to use shield machine host
Deng assembling of partially going into the well, the separate launching mode that rest part works together after ground temporarily assembles is connected with pipeline is extended
Subsequent trolley etc. in underground shield host machine part and well.
Shield separate launching is liquid under the conditions of the working procedure for being easier to generation problem in shield construction, especially deep-well
When the power units such as press pump station are located on well, executing agency is located at underground.Due to needing pipeline more when separate launching, and it is deep
Longer using extension pipeline needed for well separate launching, underground pressure difference is big, forms very big back pressure, it is easy to cause hydraulic pressure system
Phenomena such as component wear, tubing leak, insensitive sensor response of uniting.If there are when hydraulic system deep-well separate launching for shield machine
Misoperation will cause whole shield machine disorderly closedown.Therefore, it is necessary to install relay pump additional between power unit and executing agency
It stands, works normally hydraulic system during deep-well separate launching.
Summary of the invention
The purpose of this utility model be it is in view of the above problems and insufficient, a kind of shield machine hydraulic system deep-well is provided
The booster pump station of separate launching, it is reasonable in design, it can be realized shield machine separate launching operation, deep well high pressure difference overcome to be drawn
The problem of rising ensures that hydraulic system works normally.
In order to achieve the above objectives, it is adopted the technical scheme that:
A kind of booster pump station of shield machine hydraulic system deep-well separate launching configures the shield owner arranged in separate launching
Between machine and shield machine Backup system, comprising: valve group, connection setting shield machine host and shield machine Backup system it
Between, and the valve group includes the second end of the first port being connected to shield machine Backup system and shield machine host connection
Mouthful；Fuel tank is provided with constant displacement pump, passes through oil return line between the fuel tank and second port between the fuel tank and first port
Connection；And electrically-controlled component controls the movement of the constant displacement pump according to the height of the oil tank liquid level.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that it further include overflow valve,
The overflow valve liquid feeding end connection be arranged between the first port and the constant displacement pump, the outlet end of the overflow valve with
The fuel tank connection.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that in the first end
Pressure gauge is provided between mouth and the constant displacement pump.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that the overflow valve with
Filter is provided between the fuel tank.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that the electrically-controlled component
Include: liquid level sensor, is arranged in the fuel tank；And control circuit, liquid level letter is detected by the liquid level sensor
Number, and by the start-stop of control circuit control constant displacement pump.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that the electrically-controlled component
It further include warning light, when the liquid level sensor detects liquid level lower than minimum liquid level or higher than highest liquid level, alarm lamp is dynamic
Make.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that in the fuel tank also
It is provided with temperature controller, the fuel tank lower part is provided with gate gurgle valve, and the top of oil-tank is provided with air filter.
According to the booster pump station of the present embodiment shield machine hydraulic system deep-well separate launching, it is preferable that it further include frame, institute
Fuel tank, valve group, constant displacement pump and electrically-controlled component is stated to be laid on the frame.
By adopting the above technical scheme, acquired beneficial effect is:
The application is reasonable in design, by the setting of booster pump station, can give hydraulic system booster action, work as master
When drive motor pressure is excessive, the draining generated flows into fuel tank through second port, while being carried out certainly by the liquid level to fuel tank
Dynamic control, meets the stability of whole system, is achieved in going on smoothly for entire separate launching operation.
The overall structure of the application can ensure that the components such as each hydraulic component, oil pipe, sensor are in and work normally shape
State can not only ensure its working performance, and avoid the problem that react poor sensitivity, booster, the generation for accelerating damage,
Have great importance for the sustainability entirely constructed.
Detailed description of the invention
It, hereinafter will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing simply introduced.Wherein, attached drawing is used only for showing some embodiments of the utility model, rather than will be originally practical new
The whole embodiments limited to this of type.
Fig. 1 is facing according to the booster pump station of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
Structural schematic diagram.
Fig. 2 is the solid according to the booster pump station of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
Structural schematic diagram.
Fig. 3 is according to the hydraulic of the booster pump station of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
Control principle drawing.
Fig. 4 is according to the electrical of the booster pump station of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
Control principle drawing.
Fig. 5 is to be illustrated according to the arragement construction of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
Figure.
Fig. 6 is the operation according to the booster pump station of the shield machine hydraulic system deep-well separate launching of the utility model embodiment
The structural schematic diagram of panel.
Serial number in figure:
100 be frame；
200 it is valve group, 201 be overflow valve, 202 be pressure gauge, 203 is check valve；
300 it is fuel tank, 301 be filter, 302 be gate gurgle valve, 303 be liquid level sensor, 304 be temperature controller, 305 is empty
Filter, 306 are warning light；
400 it is constant displacement pump, 401 is motor；
500 it is electric cabinet, 501 is operation panel；
600 be shield machine host；
700 be shield machine Backup system；
800 be booster pump station.
Specific embodiment
In order to enable the purpose of the technical solution of the utility model, technical characteristic and technical effect are clearer, hereinafter
The attached drawing of the utility model specific embodiment will be combined, the exemplary scenario of the utility model embodiment is carried out clearly and completely
Description.
Referring to Fig. 1-Fig. 6, this application discloses a kind of booster pump station 800 of shield machine hydraulic system deep-well separate launching,
Configuration is between the shield machine host 600 that separate launching is arranged and shield machine Backup system 700, including frame 100, valve group
200, fuel tank 300 and electric cabinet 500, the connection of valve group 200 setting shield machine host 600 and shield machine Backup system 700 it
Between, and valve group 200 includes the second end of the first port being connected to shield machine Backup system 700 and the connection of shield machine host
Mouthful；It is provided with constant displacement pump 400 between fuel tank 300 and first port, is connected between fuel tank 300 and second port by oil return line
It is logical；Its height according to 300 liquid level of fuel tank of electric cabinet, the movement of motor 401 of control constant displacement pump 400.
It is provided with check valve 203 between constant displacement pump and first port, when the oil pressure of the section is more than maximum pressure, leads to
It crosses setting overflow valve and carries out pressure release, wherein the liquid feeding end connection of overflow valve is arranged between first port and constant displacement pump, overflow valve
Outlet end connect with fuel tank, filter 301 is provided between overflow valve 201 and fuel tank；Between first port and constant displacement pump
It is provided with pressure gauge 202, carries out pressure monitor.
It is provided with operation panel 501 on electric cabinet 500, is laid with control circuit in electric cabinet 500, is arranged in fuel tank
There is liquid level sensor 303, for detecting highest liquid level and minimum liquid level；Liquid level signal is detected by liquid level sensor, and by controlling
The start-stop of circuit control constant displacement pump processed；When liquid level sensor detects liquid level lower than minimum liquid level or is higher than highest liquid level
When, it is lighted by the way that alarm lamp 306 is arranged, and by electric cabinet control alarm lamp 306.
The present embodiment, the control circuit of booster pump station as shown in Figure 4 include control main circuit and control circuit, motor by
Main circuit driving is controlled, control circuit controls motor, carries out certainly according to the position of liquid level in pumping plant fuel tank to pump motor
Dynamicization control, when liquid level is higher than oil tank liquid level switch, KA1 and KA2 connect electric motor starting, when oil tank liquid level is lower than liquid-level switch
KA3 and KA4, which disconnects motor, to be stopped, and the starting of pumping plant can also be stopped with manual control, operator using the starting of operation panel
Switch controls pumping plant, and SB2 closes the switch electric motor starting, and motor stops when SB3 is disconnected, and SB1 is emergency stop switch, pump
SB1 is disconnected when station is in an emergency makes pumping plant stop working.
In addition, being additionally provided with temperature controller 304 in fuel tank, fuel tank lower part is provided with gate gurgle valve 302, top of oil-tank setting
There is air filter 305, so that fluid pressure in fuel tank be kept to balance.
Above-mentioned component including fuel tank 300, valve group 200, constant displacement pump 400 and electric cabinet is laid on frame 100, fuel tank
Using 304 stainless steel materials, and surface plastic spraying processing is carried out, frame can also use 304 stainless steel materials, and carry out surface
Plastic-spraying processing；The component outers such as other valve bodies, constant displacement pump carry out corresponding safeguard procedures, and shield or protection can be set
Net.
In the specific course of work, separate launching pipeline is too long to keep main drive motor pressure excessive, and the draining of generation is through B mouthfuls
Into fuel tank, constant displacement pump driven by motor is drawn to valve group, and drains into shield machine Backup system through check valve, while by pressing
Power table monitors constant displacement pump oil extraction pressure；When the oil pressure between constant displacement pump and check valve is more than maximum pressure, oil liquid is just by overflow
Valve overflows, and flows back to fuel tank after being filtered.To keep fluid pressure balance in fuel tank, the aperture of fuel tank top is simultaneously equipped with air filter
Device, lower part are equipped with gate gurgle valve；Oil temperature in fuel tank is monitored by temperature controller, and it is low that oil mass is monitored in real time fuel tank by fluid level controller respectively
Liquid level and high liquid level, when lower than minimum liquid level or alarm lamp being made to light higher than highest liquid level.
The construction method that the present embodiment is carried out using the booster pump station of above-mentioned shield machine hydraulic system deep-well separate launching, packet
Include following steps；Shield machine host is assembled and laid in deep-well, ground over-assemble and is matched after laying shield machine outside the deep-well
Cover equipment；The booster pump station of installation such as above-mentioned shield machine hydraulic system deep-well separate launching is laid at the middle part of deep-well, specifically
: by configuring components each in booster pump station in the frame, and entire booster pump station is fixed in the middle and lower part of deep-well
Installation, ensures the structural stability of entire booster pump station, avoids vibration occurring during the work time or by surrounding enviroment factor
Influence cause the deficiency in other performances；By separate launching pipeline complete shield machine host, shield machine Backup system and
The connection of booster pump station, and debugged；Carry out shield launching construction operation.
In actual application process, connected for the ease of the quick-assembling of whole each system, and ensure the usual type of pipeline
And stability, booster pump station and shield machine host and shield machine Backup system be connected tos using pipeline is extended, and extend pipeline and
Extend between pipeline and is connected using quick union, it is simple and efficient.
Shield machine host in the present embodiment includes cutterhead and shield body, is located under starting well；Shield machine Backup system is
Shield machine respectively saves trailer part, is located on starting well, the related booster action of hydraulic system is given by relay pump.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Unless otherwise defined, the technical term or scientific term used herein is should be in the utility model fields
The ordinary meaning that personage with general technical ability is understood.Used in present specification and claims "one" or
The similar word such as person " one " also not necessarily indicates quantity limitation.The similar word such as " comprising " or "comprising" means the word occur
The element or object of front are covered the element for appearing in the word presented hereinafter or object and its are equal, and are not excluded for other elements
Or object." connection " either the similar word such as " connected " not now schedules physics or mechanical connection, but can wrap
Electrical connection is included, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating that relative position is closed
System, after the absolute position for being described object changes, then the relative positional relationship may also correspondingly change.
It is described in detail the exemplary embodiment of the utility model above in reference to preferred embodiment, however this field
Technical staff can make above-mentioned specific embodiment more it will be appreciated that under the premise of without departing substantially from the utility model theory
Kind of modification and remodeling, and can to the utility model proposes each technical characteristic, structure carry out multiple combinations, and without departing from this reality
With novel protection scope, the protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of booster pump station of shield machine hydraulic system deep-well separate launching configures the shield machine host arranged in separate launching
Between shield machine Backup system characterized by comprising
Valve group, connection are arranged between shield machine host and shield machine Backup system, and the valve group includes and shield machine
The second port that the first port of Backup system connection is connected to the shield machine host；
Fuel tank is provided with constant displacement pump, passes through oil return pipe between the fuel tank and second port between the fuel tank and first port
Road connection；And
Electrically-controlled component controls the movement of the constant displacement pump according to the height of the oil tank liquid level.
2. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 1, which is characterized in that also wrap
Overflow valve is included, the liquid feeding end connection of the overflow valve is arranged between the first port and the constant displacement pump, the overflow valve
Outlet end connect with the fuel tank.
3. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 2, which is characterized in that in institute
It states and is provided with pressure gauge between first port and the constant displacement pump.
4. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 2, which is characterized in that described
Filter is provided between overflow valve and the fuel tank.
5. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 1, which is characterized in that described
Electrically-controlled component includes:
Liquid level sensor is arranged in the fuel tank；And
Control circuit detects liquid level signal by the liquid level sensor, and by the start and stop of control circuit control constant displacement pump
Movement.
6. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 5, which is characterized in that described
Electrically-controlled component further includes warning light, when the liquid level sensor detects liquid level lower than minimum liquid level or higher than highest liquid level,
Alarm lamp movement.
7. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 1, which is characterized in that described
Temperature controller is additionally provided in fuel tank, the fuel tank lower part is provided with gate gurgle valve, and the top of oil-tank is provided with air filter.
8. the booster pump station of shield machine hydraulic system deep-well separate launching according to claim 1, which is characterized in that also wrap
Frame is included, the fuel tank, valve group, constant displacement pump and electrically-controlled component are laid on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593284.XU CN208982110U (en) | 2018-09-28 | 2018-09-28 | The booster pump station of shield machine hydraulic system deep-well separate launching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821593284.XU CN208982110U (en) | 2018-09-28 | 2018-09-28 | The booster pump station of shield machine hydraulic system deep-well separate launching |
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| Publication Number | Publication Date |
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| CN208982110U true CN208982110U (en) | 2019-06-14 |
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| CN201821593284.XU Active CN208982110U (en) | 2018-09-28 | 2018-09-28 | The booster pump station of shield machine hydraulic system deep-well separate launching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999637A (en) * | 2018-09-28 | 2018-12-14 | 中铁工程装备集团技术服务有限公司 | The booster pump station and construction method of shield machine hydraulic system deep-well separate launching |
-
2018
- 2018-09-28 CN CN201821593284.XU patent/CN208982110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999637A (en) * | 2018-09-28 | 2018-12-14 | 中铁工程装备集团技术服务有限公司 | The booster pump station and construction method of shield machine hydraulic system deep-well separate launching |
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