CN108361383A - A kind of novel shield owner driving sealing system - Google Patents
A kind of novel shield owner driving sealing system Download PDFInfo
- Publication number
- CN108361383A CN108361383A CN201810240684.0A CN201810240684A CN108361383A CN 108361383 A CN108361383 A CN 108361383A CN 201810240684 A CN201810240684 A CN 201810240684A CN 108361383 A CN108361383 A CN 108361383A
- Authority
- CN
- China
- Prior art keywords
- valve
- control valve
- sealing system
- reversal valve
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 239000003921 oil Substances 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 9
- 239000004519 grease Substances 0.000 description 6
- 239000002828 fuel tank Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of novel shield owners to drive sealing system, including oil pump, commutation valve group, sealing ring, control valve group, check valve, conveys hydraulic oil by the oil pump, the commutation valve group includes the first reversal valve and the second reversal valve；The output end of second reversal valve connects multiple sealing rings, and the output end of each sealing ring is connected to hydraulic oil container by pipeline, control valve group is in series on the pipeline between the sealing ring and hydraulic oil container.Novel shield owner driving sealing system of the present invention improves the safety of sealing, Seal Oil is set uniformly to be arranged in entire main driving seal groove, and complete-section tunnel boring machine sealing system pressure is automatically adjusted to control the switch of Electromagnetic Control by pressure sensor pressure, high degree of automation improves the stability of work and the service life of base bearing.
Description
Technical field
The invention belongs to hydraulic system technical fields, and sealing system is driven more particularly, to a kind of novel shield owner.
Background technology
Shield owner drives sealing system to be very different with this product at present, original design major defect：
1, using EP0 greases as sealing medium, grease viscosity is big, is not easy to flow, and sealing is uneven, is not easy in seal groove
Interior formation annular seal, seal grease are easy jagged, and when driving can be such that dregs and water inside native storehouse enters inside main driving, lead
It causes main driving to damage, makes construction delays, influence working efficiency.
2, seal grease is expensive, it is also necessary to coordinate grease pump, air compressor machine etc., keep sealing system complicated, economic loss
Excessive, grease gets to Tu Cang causes environmental pollution through belt-conveying to ground.
Invention content
In view of this, the present invention is directed to propose a kind of novel shield owner drives sealing system, to solve existing shield
Machine using EP0 greases as sealing medium, poor sealing, and grease price costly the case where.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of novel shield owner drives sealing system, including oil pump, commutation valve group, sealing ring, control valve group, unidirectional
Valve conveys hydraulic oil by the oil pump, and the commutation valve group includes the first reversal valve and the second reversal valve；
The output end of the oil pump connects the input terminal of the first reversal valve, one of described first reversal valve output end
It is divided into two branches by threeway, second reversal valve includes two input terminals, and a branch connects an input terminal, wherein
One branch road is equipped with throttle valve；
The output end of second reversal valve connects multiple sealing rings, and the output end of each sealing ring is connected to liquid by pipeline
Pressure oil case is in series with control valve group on the pipeline between the sealing ring and hydraulic oil container, the pipeline is controlled by control valve group
Closure, the output end of two adjacent sealing rings is also connected to by branch line, and the tie point setting of the branch line exists
On pipeline between sealing ring output end and control valve group, check valve is additionally provided on the branch line.
Further, be additionally provided with pressure-gradient control valve on the pipeline between first reversal valve and threeway, the pressure-gradient control valve its
In delivery outlet connect hydraulic oil container, the pressure-gradient control valve preferential attachment threeway.
Further, the oil pump is gear pump.
Further, it is additionally provided with filter between the oil pump and the input terminal of the first reversal valve.
Further, first reversal valve and the second reversal valve are all two position, three-way electromagnetic change valve.
Further, the sealing ring is three, and second reversal valve passes through four-way communication seals ring.
Further, the check valve is pressure control one-way valve.
Further, the control valve group includes pneumatic operated valve and solenoid directional control valve, and the pneumatic operated valve is closed for controlling pipeline
It closes, the solenoid directional control valve is used to control the closure of pneumatic operated valve.
Further, the solenoid directional control valve is 2/2-way reversal valve.
Compared with the existing technology, novel shield owner of the present invention drives sealing system to have the advantage that：
Novel shield owner of the present invention drives sealing system to improve the safety of sealing, keeps Seal Oil uniform
Be arranged in entire main driving seal groove, tunneling boring tunnel piercing is automatically adjusted by the working position of control solenoid directional control valve
Secret envelope system pressure, high degree of automation improve the stability of work and the service life of base bearing, while all sealing lubrications
Oil is circulated without consumption and external discharge, has not only saved resource but also environmental protection in this way.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is that the novel shield owner described in the embodiment of the present invention drives sealing system principle assumption diagram.
Reference sign：
1- oil pumps；2- filters；The first reversal valves of 3-；4- pressure-gradient control valves；5- throttle valves；The second reversal valves of 6-；7- sealing rings；
8- check valves；9- control valve groups.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of novel shield owner drives sealing system, the soil that master control set is fed back according to pressure sensor
Earth pressure controls the solenoid directional control valve in sealing system, and computer or PLC controller may be used in master control set,
Sealing system includes oil pump 1, commutation valve group, sealing ring 7, control valve group 9, check valve 8, and hydraulic oil is conveyed by the oil pump 1,
The commutation valve group includes the first reversal valve 3 and the second reversal valve 6；
The output end of the oil pump 1 connects the input terminal of the first reversal valve 3, and one of described first reversal valve 3 is defeated
Outlet is divided into two branches by threeway, and second reversal valve 6 includes two input terminals, and a branch connects an input
End, wherein a branch road is equipped with throttle valve 5；
The output end of second reversal valve 6 connects multiple sealing rings 7, and the output end of each sealing ring 7 is connected by pipeline
Lead to hydraulic oil container, is in series with control valve group 9 on the pipeline between the sealing ring 7 and hydraulic oil container, is controlled by control valve group 9
The output end of the closure of the pipeline, two adjacent sealing rings 7 is also connected to by branch line, the tie point of the branch line
It is arranged on the pipeline between 7 output end of sealing ring and control valve group 9, check valve 8 is additionally provided on the branch line.
It is additionally provided with one of pressure-gradient control valve 4, the pressure-gradient control valve 4 on pipeline between first reversal valve 3 and threeway
Delivery outlet connects hydraulic oil container, 4 preferential attachment threeway of the pressure-gradient control valve.
The oil pump 1 is gear pump.
It is additionally provided with filter 2 between the oil pump 1 and the input terminal of the first reversal valve 3.
First reversal valve, 3 and second reversal valve 6 is all two position, three-way electromagnetic change valve.
The sealing ring 7 is three, and second reversal valve 6 passes through four-way communication seals ring 7.
The check valve 8 is pressure control one-way valve 8.When the hydraulic fluid pressure in branch line reaches certain threshold value,
Adverse current may be implemented in check valve 8.
The control valve group 9 includes pneumatic operated valve and solenoid directional control valve, and the pneumatic operated valve is for controlling pipeline closure, the electricity
Magnetic reversal valve is used to control the closure of pneumatic operated valve.The solenoid directional control valve is 2/2-way reversal valve.
When starting driving, 68# hydraulic oil enters hydraulic system by gear pump and filter 2, connects the first reversal valve
3,68# hydraulic oil enter the second reversal valve 6 by flow pressure-gradient control valve 4, then hydraulic oil is evenly distributed to main driving three seals
It is CV1, CV2 and CV3 respectively as shown in Figure 1 in ring 7, per pass sealed hydraulic oil export is equipped with check valve 8 and control valve group 9
To control per pass sealed hydraulic oil pressure.
Implementation steps：When soil pressure pressure is 0bar, the second reversal valve 6 obtains electric opening, and 68# hydraulic oil passes through throttle valve 5,
After controlling flow, into such as main driving sealing ring 7, using control valve group 9, at this moment control valve group 9 is in the open state, finally returns
Oil return box.
When soil pressure pressure is 2.2bar, the second reversal valve 6 power-off commutation, big flow 68# hydraulic oil passes through another branch
Road enters main driving sealing ring 7, and the soil pressure case in main driving controls the control valve group D in first of sealing ring 7 and disconnects, only
Having could be by check valve 8A when hydraulic fluid pressure reaches 1.7bar, then by control valve group E, at this moment control valve group E is in
Opening state finally returns to fuel tank, the hydraulic fluid pressure of 1.7bar is at this moment just formed in CV1, to be balanced with soil pressure.
When soil pressure pressure is 3.9bar, the second reversal valve 6 power-off commutation, big flow 68# hydraulic oil passes through another branch
Road, not by the branch equipped with throttle valve 5, into main driving sealing ring 7, soil pressure case controls control valve group D in main driving
In electrically disconnected and second sealing ring 7 control valve group E obtain it is electrically disconnected, only when 7 hydraulic fluid pressure of second sealing ring reaches
Fuel tank could be finally returned to by control valve group F by check valve 8B when 1.7bar, at this moment just form 3.4bar's in CV1
Hydraulic fluid pressure forms the hydraulic fluid pressure of 1.7bar, to be balanced with soil pressure in CV2.
When soil pressure pressure is 5.6bar, the second reversal valve 6 power-off commutation, big flow 68# hydraulic oil passes through another branch
Road enters main driving sealing ring 7, in main driving soil pressure case control the control valve group D in first of sealing ring 7 disconnect, second
Control valve group E in road sealing ring 7 is disconnected to be disconnected with the control valve group F in third road sealing ring 7, only when third road sealing ring
7 hydraulic fluid pressures could return to fuel tank when reaching 1.7bar by check valve C, and the hydraulic pressure of 5.1bar is at this moment just formed in CV1
Oil pressure, in CV2 formed 3.4bar hydraulic fluid pressure, in CV3 formed 1.7bar hydraulic fluid pressure, with soil pressure into
Row balance.
Main driving seals each staged pressure
| Soil pressure (bar) | CV1(bar) | CV2(bar) | CV3(bar) | Second reversal valve |
| 0 | 0 | 0 | 0 | ON |
| 2.2 | 1.7 | 0 | 0 | OFF |
| 3.9 | 3.4 | 1.7 | 0 | OFF |
| 5.6 | 5.1 | 3.4 | 1.7 | OFF |
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of novel shield owner drives sealing system, it is characterised in that：Including oil pump (1), commutation valve group, sealing ring (7),
Control valve group (9), check valve (8) convey hydraulic oil by the oil pump (1), and the commutation valve group includes the first reversal valve (3)
With the second reversal valve (6)；
The output end of the oil pump (1) connects the input terminal of the first reversal valve (3), one of described first reversal valve (3)
Output end is divided into two branches by threeway, and second reversal valve (6) includes two input terminals, and a branch connection one is defeated
Enter end, wherein a branch road is equipped with throttle valve (5)；
The output end of second reversal valve (6) connects multiple sealing rings (7), and the output end of each sealing ring (7) passes through pipeline
It is connected to hydraulic oil container, the sealing ring (7) is in series with control valve group (9) on the pipeline between hydraulic oil container, passes through control valve
Group (9) controls the closure of the pipeline, and the output end of two adjacent sealing rings (7) is also connected to by branch line, the branch
On the pipeline that the tie point of pipeline is arranged between sealing ring (7) output end and control valve group (9), also set on the branch line
There is check valve (8).
2. novel shield owner according to claim 1 drives sealing system, it is characterised in that：First reversal valve
(3) pressure-gradient control valve (4) is additionally provided on the pipeline between threeway, one of described pressure-gradient control valve (4) delivery outlet connects hydraulic oil
Case, pressure-gradient control valve (4) the preferential attachment threeway.
3. novel shield owner according to claim 1 drives sealing system, it is characterised in that：The oil pump (1) is tooth
Wheel pump.
4. novel shield owner according to claim 1 or 3 drives sealing system, it is characterised in that：The oil pump (1) with
Filter (2) is additionally provided between the input terminal of first reversal valve (3).
5. novel shield owner according to claim 1 drives sealing system, it is characterised in that：First reversal valve
(3) and the second reversal valve (6) is all two position, three-way electromagnetic change valve.
6. novel shield owner according to claim 1 drives sealing system, it is characterised in that：The sealing ring (7) is
Three, second reversal valve (6) passes through four-way communication seals ring (7).
7. novel shield owner according to claim 1 drives sealing system, it is characterised in that：The check valve (8) is
Pressure control one-way valve (8).
8. novel shield owner according to claim 1 drives sealing system, it is characterised in that：The control valve group (9)
Including pneumatic operated valve and solenoid directional control valve, for the pneumatic operated valve for controlling pipeline closure, the solenoid directional control valve is pneumatic for controlling
The closure of valve.
9. novel shield owner according to claim 8 drives sealing system, it is characterised in that：The solenoid directional control valve is
2/2-way reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240684.0A CN108361383B (en) | 2018-03-22 | 2018-03-22 | Novel shield constructs owner and drives sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240684.0A CN108361383B (en) | 2018-03-22 | 2018-03-22 | Novel shield constructs owner and drives sealing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361383A true CN108361383A (en) | 2018-08-03 |
| CN108361383B CN108361383B (en) | 2024-02-02 |
Family
ID=63001093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810240684.0A Active CN108361383B (en) | 2018-03-22 | 2018-03-22 | Novel shield constructs owner and drives sealing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361383B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203272313U (en) * | 2013-04-25 | 2013-11-06 | 无锡艾森保自动化装备有限公司 | Multifunctional hydraulic device |
| CN105332712A (en) * | 2015-12-04 | 2016-02-17 | 中交隧道工程局有限公司 | Emergency hydraulic device of slurry shield machine circulation system |
| CN205480124U (en) * | 2015-12-31 | 2016-08-17 | 厦门厦工中铁重型机械有限公司 | Automatic sealed lubricating arrangement of main drive who adjusts |
| CN205533500U (en) * | 2016-01-29 | 2016-08-31 | 甘肃建投装备制造有限公司 | Shield constructs quick -witted HBW sealing system |
| CN206495678U (en) * | 2017-02-21 | 2017-09-15 | 厦门厦工中铁重型机械有限公司 | A kind of main driving HBW grease injection devices of the shield of improvement |
| CN108105390A (en) * | 2017-12-25 | 2018-06-01 | 辽宁三三工业有限公司 | A kind of new complete-section tunnel boring machine is main to drive sealing system and its construction method |
| CN207762253U (en) * | 2017-12-25 | 2018-08-24 | 辽宁三三工业有限公司 | A kind of main driving sealing system of novel complete-section tunnel boring machine |
| CN208041144U (en) * | 2018-03-22 | 2018-11-02 | 辽宁三三工业有限公司 | A kind of novel shield owner driving sealing system |
-
2018
- 2018-03-22 CN CN201810240684.0A patent/CN108361383B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203272313U (en) * | 2013-04-25 | 2013-11-06 | 无锡艾森保自动化装备有限公司 | Multifunctional hydraulic device |
| CN105332712A (en) * | 2015-12-04 | 2016-02-17 | 中交隧道工程局有限公司 | Emergency hydraulic device of slurry shield machine circulation system |
| CN205480124U (en) * | 2015-12-31 | 2016-08-17 | 厦门厦工中铁重型机械有限公司 | Automatic sealed lubricating arrangement of main drive who adjusts |
| CN205533500U (en) * | 2016-01-29 | 2016-08-31 | 甘肃建投装备制造有限公司 | Shield constructs quick -witted HBW sealing system |
| CN206495678U (en) * | 2017-02-21 | 2017-09-15 | 厦门厦工中铁重型机械有限公司 | A kind of main driving HBW grease injection devices of the shield of improvement |
| CN108105390A (en) * | 2017-12-25 | 2018-06-01 | 辽宁三三工业有限公司 | A kind of new complete-section tunnel boring machine is main to drive sealing system and its construction method |
| CN207762253U (en) * | 2017-12-25 | 2018-08-24 | 辽宁三三工业有限公司 | A kind of main driving sealing system of novel complete-section tunnel boring machine |
| CN208041144U (en) * | 2018-03-22 | 2018-11-02 | 辽宁三三工业有限公司 | A kind of novel shield owner driving sealing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108361383B (en) | 2024-02-02 |
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