CN106762882A - The double mode electro-hydraulic drive system of development machine cutterhead - Google Patents
The double mode electro-hydraulic drive system of development machine cutterhead Download PDFInfo
- Publication number
- CN106762882A CN106762882A CN201611193244.1A CN201611193244A CN106762882A CN 106762882 A CN106762882 A CN 106762882A CN 201611193244 A CN201611193244 A CN 201611193244A CN 106762882 A CN106762882 A CN 106762882A
- Authority
- CN
- China
- Prior art keywords
- displacement hydraulic
- hydraulic motor
- fixed displacement
- detachable fixed
- valve
- 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
- 238000006073 displacement reaction Methods 0.000 claims abstract description 103
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of double mode electro-hydraulic drive system of development machine cutterhead.Change displacement hydraulic pump group, detachable fixed displacement hydraulic motor group and inseparable formula fixed displacement hydraulic motor group including being connected to working connection, become displacement hydraulic pump group input flow rate to working connection, two groups of motors obtain flow from working connection, by detachable fixed displacement hydraulic motor group and two kinds of rotating speed output modes of combination control realization of inseparable formula fixed displacement hydraulic motor group.The purpose that the present invention can reach and reduce engineering cost, improves system operating efficiency and reliability.
Description
Technical field
The present invention relates to Boring Machine Technique field, specifically, a kind of more particularly to development machine cutterhead is double mode electro-hydraulic
Drive system.
Background technology
Development machine is widely used in tunnel construction engineering, has prominent contribution to the infrastructure construction of country.Knife
The main drive hydraulic system principle of disk there is provided the moment of torsion needed for excavating bottom when development machine is tunneled forward, and the size of its output speed is
Development machine tunnels the important factor in order of speed.
It is in parallel that the main drive hydraulic system principle of cutterhead of the development machine for using at present employs multiple change displacement hydraulic motors completely
Exported as moment of torsion and rotating speed, become displacement hydraulic motor high cost, and become displacement hydraulic motor system operating efficiency and reliability
Property is to be improved.
The content of the invention
For the main drive hydraulic system principle of the cutterhead for solving the problems, such as development machine in background technology, the present invention proposes one
The double mode electro-hydraulic drive system of development machine cutterhead is planted, fixed displacement hydraulic motor has been used in system completely, tunnel piercing can be improved
Machine operating efficiency, lifting system reliability and reduction engineering cost.
The technical solution adopted for the present invention to solve the technical problems is as follows：
The present invention includes being connected to the change displacement hydraulic pump group of development machine working connection, detachable fixed displacement hydraulic motor group
With inseparable formula fixed displacement hydraulic motor group, become displacement hydraulic pump group input flow rate to working connection, two groups of motors are from main oil
Rood is controlled to flow by the combination of detachable fixed displacement hydraulic motor group and inseparable formula fixed displacement hydraulic motor group
Realize two kinds of rotating speed output modes.
The present invention is applied in combination detachable fixed displacement hydraulic motor and inseparable formula fixed displacement hydraulic motor builds and is somebody's turn to do
System, with two kinds of output modes.
Described detachable fixed displacement hydraulic motor group includes that multiple is parallel-connected to the detachable of working connection and determines row
Amount hydraulic motor and oil circuit on-off system, each detachable fixed displacement hydraulic motor two ends is through respective oil circuit on-off system
It is linked into the two-way of working connection, i.e., one end accesses the oil circuit A of working connection by an oil circuit on-off system, and the other end is by another
Oil circuit on-off system accesses the oil circuit B of working connection.
All detachable fixed displacement hydraulic motor in detachable fixed displacement hydraulic motor group is controlled at the same time or separately
And the clutch being connected between decelerator and motor is provided with, clutch realizes the separation of motor and decelerator, so that
Motor is not involved in driving the work of cutterhead, and clutch can be pneumatic gear clutch or hydraulic pressure gear clutch.
There is the fixed displacement hydraulic motor of e plus clutch in detachable fixed displacement hydraulic motor group, e motor can be simultaneously
Or control respectively, its quantity e determines according to engineered load.
Described oil circuit on-off system includes two-way plug-in valve, two position three-way valve and shuttle valve, detachable fixed displacement hydraulic pressure
An input port of the motor one end respectively with one oil circuit port of two-way plug-in valve and shuttle valve is connected, another oil circuit of two-way plug-in valve
Another input port of port and shuttle valve is connected to working connection on the way together, and two-way plug-in valve control mouth C connects two three
A mouthfuls of port valve, two position three-way valve P mouthfuls is connected with shuttle valve delivery outlet SA, two position three-way valve T mouthfuls of connection fuel tank；It is detachable to determine row
The oil circuit on-off system connected mode for measuring the two ends of hydraulic motor is identical.
When not needing detachable fixed displacement hydraulic motor to participate in driving the work of cutterhead, throw-out-of clutch, and oil
Two position three-way valve A mouthfuls and P mouthfuls of road on-off system leads to, i.e., the left position in Fig. 2, and now two-way plug-in valve is closed so that cut
Cut-off oil, it is ensured that development machine drive system safety；In the work for needing detachable fixed displacement hydraulic motor to participate in driving cutterhead
When, clutch is combined, and two position three-way valve A mouthful of oil circuit on-off system and T mouthfuls logical, i.e., the right position in Fig. 2, and now two
Logical inserted valve is opened so that detachable fixed displacement hydraulic motor accesses oil circuit and starts working.
Described two rotating speed output modes be rotating speed pattern high and slow-speed of revolution pattern, respectively：
All detachable fixed displacement hydraulic motor oil-breaks are controlled when all throw-out-of clutches and by oil circuit on-off system
When, there was only inseparable formula fixed displacement hydraulic motor cut-in operation in system, now system exports discharge capacity minimum and rotating speed highest,
It is rotating speed pattern high；
When all clutches are combined and control all detachable fixed displacement hydraulic motors to turn on by oil circuit on-off system
When, all detachable fixed displacement hydraulic motor cut-in operations, now system output discharge capacity is maximum and rotating speed is minimum, is the slow-speed of revolution
Pattern.
Described inseparable formula fixed displacement hydraulic motor group includes that multiple is parallel-connected to the inseparable formula of working connection
Working connection A is accessed in fixed displacement hydraulic motor, single inseparable formula fixed displacement hydraulic motor one end, and the other end accesses working connection B,
There is f fixed displacement hydraulic motor in inseparable formula fixed displacement hydraulic motor group, its quantity f determines according to engineered load.
Described change displacement hydraulic pump group includes that multiple is parallel-connected to the change displacement hydraulic pump of working connection, single change discharge capacity
Working connection A is accessed in hydraulic pump one end, and the other end accesses working connection B, there is g change displacement hydraulic pump in change displacement hydraulic pump group, becomes
It is parallel relationship between displacement hydraulic pump, and g becomes displacement hydraulic pump and can control at the same time or separately, g is according to engineered load for its quantity
It is determined that.
The present invention has an advantageous effect in that compared with background technology：
There is low cost, reliability and work effect due to fixed displacement hydraulic motor is introduced into system and fixed displacement hydraulic motor
The characteristics of rate is high, so hydraulic system of the invention improves the reliability and operating efficiency of system, reduces engineering cost.
And present system realizes double mode electro-hydraulic drive system so that system has fast mode and low speed mould
Formula.
Brief description of the drawings
Fig. 1 is the principle schematic of present system.
Fig. 2 is the partial enlarged drawing of Fig. 1.
In figure：1st, two-way plug-in valve, 2, two position three-way valve, 3, shuttle valve, 4, clutch, 5, detachable fixed displacement hydraulic pressure horse
Reach, 6, decelerator, 7, inseparable formula fixed displacement hydraulic motor, 8, motor, 9, become displacement hydraulic pump.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention includes detachable fixed displacement hydraulic motor group, inseparable formula fixed displacement hydraulic motor
Group, change displacement hydraulic pump group and working connection A, B.Inseparable formula fixed displacement hydraulic motor group is parallel-connected to main oil including multiple
The inseparable formula fixed displacement hydraulic motor 7 on road, becoming displacement hydraulic pump group includes that multiple is parallel-connected to the change discharge capacity of working connection
Hydraulic pump 9, is become displacement hydraulic pump 9 and is connected with motor 8 by shaft coupling, and detachable fixed displacement hydraulic motor group can including e
Separate type fixed displacement hydraulic motor 5 and oil circuit on-off system, each detachable fixed displacement hydraulic motor pass through pneumatic or liquid
Gear clutch 4 and the decelerator connection of pressure.
Oil circuit on-off system is arranged on the two ends of detachable fixed displacement hydraulic motor, by two-way plug-in valve 1, two-position three way
Valve 2 and shuttle valve 3 are constituted, the connection of motor one end two-way plug-in valve 1 and shuttle valve 3, the other end of two-way plug-in valve 1, shuttle valve 3 it is another
Individual oil inlet P 2 accesses working connection B, A mouthfuls of the control mouth C connection two position three-way valves 2 of two-way plug-in valve 1, the P of two position three-way valve 2
Mouth meets the outlet SA of shuttle valve 4, T mouthfuls of connected tank of two position three-way valve.
The oil circuit on-off system type of attachment of the motor other end is identical with above-mentioned connection method, motor connection two-way plug-in valve
1 and shuttle valve 3, the other end of two-way plug-in valve 1, another oil inlet P 2 of shuttle valve 3 access working connection A, the control of two-way plug-in valve 1
A mouthfuls of donsole C connection two position three-way valves 2, P mouthfuls of two position three-way valve 2 meets the outlet SA of shuttle valve 3, and T mouthfuls of two position three-way valve connects oil
Case.
It should be noted that the quantity e of this detachable fixed displacement hydraulic motor determines according to method for designing, and it is all provided with
There is oil circuit on-off system, omissive representation is provided in figure, and the fixed displacement hydraulic motor for adding clutch is represented with subscript B11 to B1e
Quantity be e, and non-determined value, each detachable fixed displacement hydraulic motor is connected to working connection A and B.
Inseparable formula fixed displacement hydraulic motor group includes f inseparable formula fixed displacement hydraulic motor 7, inseparable formula
The hydraulic fluid port B21 of fixed displacement hydraulic motor 7~B2f accesses working connection B, and hydraulic fluid port A21~A2f accesses working connection A.Need explanation
It is that the quantity f of inseparable formula fixed displacement hydraulic motor herein determines according to method for designing, and omissive representation is given in figure, and
The quantity that inseparable formula fixed displacement hydraulic motor is represented with subscript B21 to B2f is f, and non-determined value, each inseparable formula
Fixed displacement hydraulic motor is connected to working connection A and B.
Becoming displacement hydraulic pump group includes g change displacement hydraulic pump 9, becomes displacement hydraulic pump 9 and passes through shaft coupling and the phase of motor 8
Even, the hydraulic fluid port PB1~PBg for becoming displacement hydraulic pump 9 accesses working connection B, and hydraulic fluid port PA1~PAg accesses working connection A.Need explanation
It is that the quantity g of change displacement hydraulic pump 9 herein determines according to design requirement, so omissive representation is given in figure, and under use
Mark PB1 to PBg and PA1 to PAg represents that the quantity for becoming displacement hydraulic pump 9 is g, and non-determined value, it is equal that each becomes displacement hydraulic pump 9
It is connected to working connection A and B.
As shown in figure 1, specific implementation process of the invention is：
For two kinds of rotating speed output modes, rotating speed pattern specially high and slow-speed of revolution pattern, respectively：
When all clutches 4 are disengaged and control all detachable fixed displacement hydraulic motor oil-breaks by oil circuit on-off system
When, there was only inseparable formula fixed displacement hydraulic motor cut-in operation in system, now system exports discharge capacity minimum and rotating speed highest,
It is rotating speed pattern high；
When all clutches 4 are combined and control all detachable fixed displacement hydraulic motors to turn on by oil circuit on-off system
When, all detachable fixed displacement hydraulic motor cut-in operations, now system output discharge capacity is maximum and rotating speed is minimum, is the slow-speed of revolution
Pattern.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in guarantor of the invention
Within the scope of shield.
Claims (6)
1. the double mode electro-hydraulic drive system of a kind of development machine cutterhead, it is characterised in that：Change discharge capacity liquid including being connected to working connection
Press pump group, detachable fixed displacement hydraulic motor group and inseparable formula fixed displacement hydraulic motor group, become displacement hydraulic pump group defeated
To working connection, two groups of motors obtain flow to inbound traffics from working connection, by detachable fixed displacement hydraulic motor group and can not
Two kinds of rotating speed output modes of combination control realization of separate type fixed displacement hydraulic motor group.
2. the double mode electro-hydraulic drive system of a kind of development machine cutterhead according to claim 1, it is characterised in that：It is described not
Detachable fixed displacement hydraulic motor group includes that multiple is parallel-connected to the inseparable formula fixed displacement hydraulic motor of working connection
(7)。
3. the double mode electro-hydraulic drive system of a kind of development machine cutterhead according to claim 1, it is characterised in that：Described change
Displacement hydraulic pump group includes that multiple is parallel-connected to the change displacement hydraulic pump (9) of working connection, becomes displacement hydraulic pump (9) by shaft coupling
Device is connected with motor (8).
4. the double mode electro-hydraulic drive system of a kind of development machine cutterhead according to claim 1, it is characterised in that：Described can
Separate type fixed displacement hydraulic motor group includes that multiple is parallel-connected to detachable fixed displacement hydraulic motor (5) and the oil of working connection
Road on-off system, each detachable fixed displacement hydraulic motor two ends are linked into working connection through respective oil circuit on-off system
In two-way；All detachable fixed displacement hydraulic motor in detachable fixed displacement hydraulic motor group is controlled at the same time or separately,
Each detachable fixed displacement hydraulic motor is connected by pneumatic or hydraulic pressure gear clutch (4) and decelerator (6).
5. the double mode electro-hydraulic drive system of a kind of development machine cutterhead according to claim 1, it is characterised in that：Described oil
Road on-off system includes two-way plug-in valve (1), two position three-way valve (2) and shuttle valve (3), detachable fixed displacement hydraulic motor (5)
An input port of the one end respectively with (1) oil circuit port of two-way plug-in valve and shuttle valve (3) is connected, and two-way plug-in valve (1) is another
Another input port of one oil circuit port and shuttle valve (3) is connected to working connection on the way together, two-way plug-in valve (1) control mouth
A mouthfuls of C connections two position three-way valve (2), P mouthfuls of two position three-way valve (2) is connected with shuttle valve (3) delivery outlet SA, two position three-way valve (2) T
Mouth connection fuel tank；
When not needing detachable fixed displacement hydraulic motor to participate in driving the work of cutterhead, clutch (4) is disengaged, and oil circuit
A mouthfuls and P mouthfuls of the two position three-way valve (2) of on-off system leads to so that fuel feeding is cut off；
When needing detachable fixed displacement hydraulic motor to participate in driving the work of cutterhead, clutch (4) is combined, and oil circuit is logical
A mouthfuls and T mouthfuls of the two position three-way valve (2) of disconnected device leads to so that detachable fixed displacement hydraulic motor accesses oil circuit and starts working.
6. the double mode electro-hydraulic drive system of a kind of development machine cutterhead according to claim 5, it is characterised in that：It is described two
Rotating speed output mode be rotating speed pattern high and slow-speed of revolution pattern, respectively：
When all throw-out-of clutches and controlling all detachable fixed displacement hydraulic motor oil-breaks by oil circuit on-off system, it is
There was only inseparable formula fixed displacement hydraulic motor cut-in operation in system, now system exports discharge capacity minimum and rotating speed highest, be high
Rotating speed pattern；
When all clutches are combined and control all detachable fixed displacement hydraulic motors to turn on by oil circuit on-off system, institute
There is detachable fixed displacement hydraulic motor cut-in operation, now system output discharge capacity is maximum and rotating speed is minimum, is slow-speed of revolution pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193244.1A CN106762882B (en) | 2016-12-21 | 2016-12-21 | The electro-hydraulic drive system of development machine cutterhead double mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193244.1A CN106762882B (en) | 2016-12-21 | 2016-12-21 | The electro-hydraulic drive system of development machine cutterhead double mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762882A true CN106762882A (en) | 2017-05-31 |
| CN106762882B CN106762882B (en) | 2018-05-08 |
Family
ID=58896991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611193244.1A Expired - Fee Related CN106762882B (en) | 2016-12-21 | 2016-12-21 | The electro-hydraulic drive system of development machine cutterhead double mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762882B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335471A (en) * | 2018-10-17 | 2019-02-15 | 山东科技大学 | What belt conveyor double mode drove can brake fluid pressure control system |
| CN109353759A (en) * | 2018-10-17 | 2019-02-19 | 山东科技大学 | The double mode driving of belt conveyor can brake apparatus |
| CN113847048A (en) * | 2021-10-09 | 2021-12-28 | 浙江大学 | Multi-pump electric control cooperative tunneling machine cutter head driving servo control system and control method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132397A (en) * | 2002-10-08 | 2004-04-30 | Sumitomo Heavy Industries Construction Crane Co Ltd | Hydraulic circuit for crane |
| CN1190600C (en) * | 2003-06-07 | 2005-02-23 | 浙江大学 | Hydraulic system for hydraulic driving vessel for collecting floats on water surface |
| JP2009162315A (en) * | 2008-01-08 | 2009-07-23 | Ihi Corp | Hydraulic circuit |
| CN100575717C (en) * | 2008-01-09 | 2009-12-30 | 浙江大学 | A kind of energy-saving type shield hydraulic control system that adopts hydraulic transformer |
| CN101503960B (en) * | 2009-03-02 | 2010-12-08 | 浙江大学 | Multi-pump combined driving shield-tunneling blade disc hydraulic system |
| CN101408108B (en) * | 2008-11-11 | 2011-05-18 | 浙江大学 | Shield cutter head hydraulic system driven by mixed motor serial connection and parallel connection |
| CN101550830B (en) * | 2009-05-18 | 2012-08-29 | 浙江大学 | Energy-efficient shield cutterhead closed loop hydraulic control system adopting ganged accumulators |
| CN104913048A (en) * | 2015-06-12 | 2015-09-16 | 吉林大学 | Logic control based multi-gear-pump serial multi-gear-motor stepped speed changing system |
| CN206360972U (en) * | 2016-12-21 | 2017-07-28 | 浙江大学 | A kind of double mode electro-hydraulic drive system of development machine cutterhead |
-
2016
- 2016-12-21 CN CN201611193244.1A patent/CN106762882B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132397A (en) * | 2002-10-08 | 2004-04-30 | Sumitomo Heavy Industries Construction Crane Co Ltd | Hydraulic circuit for crane |
| CN1190600C (en) * | 2003-06-07 | 2005-02-23 | 浙江大学 | Hydraulic system for hydraulic driving vessel for collecting floats on water surface |
| JP2009162315A (en) * | 2008-01-08 | 2009-07-23 | Ihi Corp | Hydraulic circuit |
| CN100575717C (en) * | 2008-01-09 | 2009-12-30 | 浙江大学 | A kind of energy-saving type shield hydraulic control system that adopts hydraulic transformer |
| CN101408108B (en) * | 2008-11-11 | 2011-05-18 | 浙江大学 | Shield cutter head hydraulic system driven by mixed motor serial connection and parallel connection |
| CN101503960B (en) * | 2009-03-02 | 2010-12-08 | 浙江大学 | Multi-pump combined driving shield-tunneling blade disc hydraulic system |
| CN101550830B (en) * | 2009-05-18 | 2012-08-29 | 浙江大学 | Energy-efficient shield cutterhead closed loop hydraulic control system adopting ganged accumulators |
| CN104913048A (en) * | 2015-06-12 | 2015-09-16 | 吉林大学 | Logic control based multi-gear-pump serial multi-gear-motor stepped speed changing system |
| CN206360972U (en) * | 2016-12-21 | 2017-07-28 | 浙江大学 | A kind of double mode electro-hydraulic drive system of development machine cutterhead |
Non-Patent Citations (1)
| Title |
|---|
| 杨旭等: "《A cutterhead energy-saving technique for shield tunneling machines based on load characteristic prediction》", 《浙江大学学报A辑应用物理与工程英文版》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335471A (en) * | 2018-10-17 | 2019-02-15 | 山东科技大学 | What belt conveyor double mode drove can brake fluid pressure control system |
| CN109353759A (en) * | 2018-10-17 | 2019-02-19 | 山东科技大学 | The double mode driving of belt conveyor can brake apparatus |
| CN113847048A (en) * | 2021-10-09 | 2021-12-28 | 浙江大学 | Multi-pump electric control cooperative tunneling machine cutter head driving servo control system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762882B (en) | 2018-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100520087C (en) | Rotating speed variable driving shield cutterhead energy-saving hydraulic control system | |
| CN104011402B (en) | Hydraulic system | |
| CN106762882B (en) | The electro-hydraulic drive system of development machine cutterhead double mode | |
| CN103950870B (en) | A kind of forklift hydraulic system of double pump fuel feeding band energy regenerating | |
| CN102979133A (en) | Rotary brake energy recycling device of hydraulic excavator | |
| CN101858091A (en) | Quantitative pump hydraulic control system of working mechanism of underground scraper | |
| CN103303801A (en) | Hydraulic confluence control system for truck crane | |
| CN201037377Y (en) | Horizontal positioning drilling machine valve control interflow speeding up hydraulic system | |
| CN202767155U (en) | Device for improving straight walking performance of excavator in the process of doing compound actions | |
| CN206409447U (en) | Engineering machinery auxiliary equipment turns round hydraulic control system | |
| CN108179781A (en) | Loader hydraulic control system | |
| CN206360972U (en) | A kind of double mode electro-hydraulic drive system of development machine cutterhead | |
| CN109210024A (en) | Minus flow hydraulic control oil circuit and hydraulic system and excavator | |
| CN205401281U (en) | Closed -type hydraulic system and including this closed -type hydraulic system's machine | |
| CN201162738Y (en) | Energy-saving hydraulic control apparatus of variable rotation speed driving shield blade disc | |
| CN102788054B (en) | Pilot hydraulic control system with oil changing function | |
| CN105329817A (en) | Single-pump hydraulic system used for forklift | |
| CN204475391U (en) | For the hydraulic control system of backhoe loader | |
| CN209704952U (en) | A kind of the load-sensitive adjustable hydraulic system and drilling machine of drilling machine | |
| CN202851502U (en) | Valve bank used for series-parallel switch of multiple quantification hydraulic pressure motor | |
| CN207634413U (en) | A kind of hydraulic closed multi-motor speed control system | |
| CN207421009U (en) | A kind of horizontal directional drilling machine pull-back force transient rise control system | |
| CN207485760U (en) | A kind of development machine dual output shaft end Oil pump electrical machinery hydraulic system | |
| CN207905007U (en) | Loader hydraulic control system | |
| CN108086396A (en) | A kind of continuous hydraulic loading machine closed circuit hydraulic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20211221 |