CN106762882B - The electro-hydraulic drive system of development machine cutterhead double mode - Google Patents
The electro-hydraulic drive system of development machine cutterhead double mode Download PDFInfo
- Publication number
- CN106762882B CN106762882B CN201611193244.1A CN201611193244A CN106762882B CN 106762882 B CN106762882 B CN 106762882B CN 201611193244 A CN201611193244 A CN 201611193244A CN 106762882 B CN106762882 B CN 106762882B
- Authority
- CN
- China
- Prior art keywords
- displacement hydraulic
- fixed displacement
- hydraulic motor
- 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.)
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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 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
Abstract
The invention discloses a kind of electro-hydraulic drive system of development machine cutterhead double mode.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, and two kinds of rotating speed output modes are realized by the combination control of detachable fixed displacement hydraulic motor group and inseparable formula fixed displacement hydraulic motor group.The purpose that the present invention can reach and reduce engineering cost, improves system work 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 double mode is electro-hydraulic
Drive system.
Background technology
Development machine is widely used in tunnel construction engineering, and the infrastructure construction to country has prominent contribution.Knife
The main drive hydraulic system principle of disk there is provided the moment of torsion excavated when development machine tunnels forward needed for bottom, 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 used at present employs multiple change displacement hydraulic motors completely
Exported as moment of torsion and rotating speed, it is of high cost to become displacement hydraulic motor, and becomes displacement hydraulic motor system work efficiency and reliable
Property is to be improved.
The content of the invention
In order to solve the problems, such as that the main drive hydraulic system principle of the cutterhead of development machine in background technology exists, the present invention proposes one
The electro-hydraulic drive system of development machine cutterhead double mode is planted, fixed displacement hydraulic motor has been used completely in system, tunnel piercing can be improved
Machine work efficiency, lifting system reliability and reduction engineering cost.
The technical solution adopted by 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.
Detachable fixed displacement hydraulic motor is applied in combination in the present invention and inseparable formula fixed displacement hydraulic motor structure should
System, has two kinds of output modes.
The detachable fixed displacement hydraulic motor group includes multiple detachable fixed rows for being parallel-connected to working connection
Hydraulic motor and oil circuit on-off system are measured, each detachable fixed displacement hydraulic motor both ends are 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 passes through another
Oil circuit on-off system accesses the oil circuit B of working connection.
All detachable fixed displacement hydraulic motors in detachable fixed displacement hydraulic motor group control at the same time or separately
And the clutch being connected between retarder and motor is provided with, clutch realizes the separation of motor and retarder, so that
Motor is not involved in the work of driving 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 at the same time
Or control respectively, its quantity e is determined according to engineered load.
The 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 of port and shuttle valve input port are connected to working connection on the way together, two-way plug-in valve control mouth C connections two three
The A mouths of port valve, P mouthfuls of two position three-way valve are connected with shuttle valve delivery outlet SA, T mouthfuls of connection fuel tanks of two position three-way valve；Detachable fixed row
The oil circuit on-off system connection mode for measuring the both ends of hydraulic motor is identical.
When being not required detachable fixed displacement hydraulic motor to participate in the work of driving cutterhead, throw-out-of clutch, and oil
A mouthfuls and P mouthfuls of the two position three-way valve of road on-off system is logical, i.e., the left position in Fig. 2, and two-way plug-in valve is closed at this time so that is cut
Cut-off oil, ensures development machine drive system safety；In the work for needing detachable fixed displacement hydraulic motor to participate in driving cutterhead
When, clutch combines, and A mouthful of the two position three-way valve of oil circuit on-off system and T mouthfuls lead to, i.e., the right positions in Fig. 2, and at this time two
Logical inserted valve is opened so that detachable fixed displacement hydraulic motor access oil circuit is started to work.
Described two rotating speed output modes are high rotating speed pattern and slow-speed of revolution pattern, are 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, only inseparable formula fixed displacement hydraulic motor cut-in operation in system, system output displacement is minimum at this time and rotating speed highest,
For high rotating speed pattern；
When all clutches combine 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, system output displacement is maximum at this time and rotating speed is minimum, is the slow-speed of revolution
Pattern.
The inseparable formula fixed displacement hydraulic motor group includes multiple inseparable formulas for being parallel-connected to working connection
Fixed displacement hydraulic motor, single inseparable formula fixed displacement hydraulic motor one end access working connection A, other end access working connection B,
There is f fixed displacement hydraulic motor in inseparable formula fixed displacement hydraulic motor group, its quantity f is determined according to engineered load.
The change displacement hydraulic pump group includes multiple change displacement hydraulic pumps for being parallel-connected to working connection, single change discharge capacity
Working connection A is accessed in hydraulic pump one end, and other end access working connection B, becoming in displacement hydraulic pump group has g change displacement hydraulic pump, 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
Determine.
The present invention has an advantageous effect in that compared with background technology：
Have that cost is low since fixed displacement hydraulic motor is introduced system and fixed displacement hydraulic motor, reliability and work effect
The characteristics of rate is high, so the hydraulic system of the present invention improves the reliability and work efficiency of system, reduces engineering cost.
And present system realizes the electro-hydraulic drive system of double mode 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 view 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, retarder, 7, inseparable formula fixed displacement hydraulic motor, 8, motor, 9, become displacement hydraulic pump.
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, become 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 multiple change discharge capacities for being parallel-connected to working connection
Hydraulic pump 9, becomes displacement hydraulic pump 9 and is connected by shaft coupling with motor 8, and detachable fixed displacement hydraulic motor group includes e can
Separate type fixed displacement hydraulic motor 5 and oil circuit on-off system, each detachable fixed displacement hydraulic motor pass through pneumatic or liquid
The gear clutch 4 of pressure is connected with retarder.
Oil circuit on-off system is installed on the both ends of detachable fixed displacement hydraulic motor, by two-way plug-in valve 1, two-position three way
Valve 2 and shuttle valve 3 form, motor one end connection 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
A oil inlet P 2 accesses working connection B, the A mouths of the control mouth C connections two position three-way valve 2 of two-way plug-in valve 1, the P of two position three-way valve 2
Mouth connects the outlet SA of shuttle valve 4, the T mouth connected tanks 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 access working connection A of shuttle valve 3, the control of two-way plug-in valve 1
The A mouths of donsole C connections two position three-way valve 2, the P mouths of two position three-way valve 2 meet the outlet SA of shuttle valve 3, and the T mouths of two position three-way valve connect oil
Case.
It should be noted that the quantity e of this detachable fixed displacement hydraulic motor is determined according to design method, and it is all provided with
There is oil circuit on-off system, provide omissive representation in figure, and represented with subscript B11 to B1e plus the fixed displacement hydraulic motor of clutch
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 motors 7, inseparable formula
Hydraulic fluid port B21~B2f access working connection B, hydraulic fluid port A21~A2f access working connections A of fixed displacement hydraulic motor 7.Need what is illustrated
It is that the quantity f of inseparable formula fixed displacement hydraulic motor herein is determined according to design method, and omissive representation is provided 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 8 phase of shaft coupling and motor
Even, hydraulic fluid port PB1~PBg access working connection B, hydraulic fluid port PA1~PAg access working connections A of displacement hydraulic pump 9 is become.Need what is illustrated
It is that the quantity g of change displacement hydraulic pump 9 herein is definite according to design requirement, so omissive representation is provided in figure, and under use
The quantity of PB1 to PBg and PA1 to PAg expression change displacement hydraulic pumps 9 is marked as g, and non-determined value, each change displacement hydraulic pump 9 are equal
It is connected to working connection A and B.
As shown in Figure 1, the specific implementation process of the present invention is：
For two kinds of rotating speed output modes, it is specially high rotating speed pattern and slow-speed of revolution pattern, is respectively：
When all clutches 4 disengage and control all detachable fixed displacement hydraulic motor oil-breaks by oil circuit on-off system
When, only inseparable formula fixed displacement hydraulic motor cut-in operation in system, system output displacement is minimum at this time and rotating speed highest,
For high rotating speed pattern；
When all clutches 4 combine 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, system output displacement is maximum at this time and rotating speed is minimum, is the slow-speed of revolution
Pattern.
Particular embodiments described above, has carried out the purpose of the present invention, technical solution and beneficial effect further in detail
Describe in detail it is bright, it should be understood that the foregoing is merely the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done, should be included in the guarantor of the present invention
Within the scope of shield.
Claims (4)
- A kind of 1. electro-hydraulic drive system of development machine cutterhead double mode, 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, it is defeated to become displacement hydraulic pump group Inbound traffics obtain flow to working connection, two groups of motors from working connection, by detachable fixed displacement hydraulic motor group and can not Two kinds of rotating speed output modes are realized in the combination control of separate type fixed displacement hydraulic motor group；The detachable fixed displacement hydraulic motor group includes multiple detachable fixed displacement liquid for being parallel-connected to working connection Pressure motor (5) and oil circuit on-off system, each detachable fixed displacement hydraulic motor both ends are through respective oil circuit on-off system It is linked into the two-way of working connection；All detachable fixed displacement hydraulic motors in detachable fixed displacement hydraulic motor group are same When or control respectively, each detachable fixed displacement hydraulic motor passes through pneumatic or hydraulic pressure gear clutch (4) and slows down Device (6) connects；The oil circuit on-off system includes two-way plug-in valve (1), two position three-way valve (2) and shuttle valve (3), detachable fixed displacement An input port of hydraulic motor (5) one end respectively with (1) oil circuit port of two-way plug-in valve and shuttle valve (3) is connected, two-way Another oil circuit port of inserted valve (1) and another input port of shuttle valve (3) are connected to working connection on the way together, two-way inserting The A mouths of valve (1) control mouth C connection two position three-way valves (2), P mouthfuls of two position three-way valve (2) are connected with shuttle valve (3) delivery outlet SA, two T mouthfuls of connection fuel tanks of triple valve (2)；When being not required detachable fixed displacement hydraulic motor to participate in the work of driving cutterhead, clutch (4) disengages, and oil circuit A mouthfuls and P mouthfuls of the two position three-way valve (2) of on-off system is logical so that fuel feeding is cut off；When needing detachable fixed displacement hydraulic motor to participate in the work of driving cutterhead, clutch (4) combines, and oil circuit leads to A mouthfuls and T mouthfuls of the two position three-way valve (2) of disconnected device is logical so that detachable fixed displacement hydraulic motor access oil circuit is started to work.
- A kind of 2. electro-hydraulic drive system of development machine cutterhead double mode according to claim 1, it is characterised in that：It is described not Detachable fixed displacement hydraulic motor group includes multiple inseparable formula fixed displacement hydraulic motors for being parallel-connected to working connection (7)。
- A kind of 3. electro-hydraulic drive system of development machine cutterhead double mode according to claim 1, it is characterised in that：The change Displacement hydraulic pump group includes multiple change displacement hydraulic pumps (9) for being parallel-connected to working connection, becomes displacement hydraulic pump (9) and passes through shaft coupling Device is connected with motor (8).
- A kind of 4. electro-hydraulic drive system of development machine cutterhead double mode according to claim 1, it is characterised in that：It is described two Rotating speed output mode is high rotating speed pattern and slow-speed of revolution pattern, is respectively：When all throw-out-of clutches and by oil circuit on-off system control all detachable fixed displacement hydraulic motor oil-breaks when, be There was only inseparable formula fixed displacement hydraulic motor cut-in operation in system, at this time system output displacement minimum and rotating speed highest, for height Rotating speed pattern；When all clutches combine 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, system output displacement is maximum at this time 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 |
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| 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 |
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| CN106762882A CN106762882A (en) | 2017-05-31 |
| CN106762882B true CN106762882B (en) | 2018-05-08 |
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| CN201611193244.1A Expired - Fee Related CN106762882B (en) | 2016-12-21 | 2016-12-21 | The electro-hydraulic drive system of development machine cutterhead double mode |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335471B (en) * | 2018-10-17 | 2020-04-24 | 山东科技大学 | Double-mode driving brake-capable hydraulic control system of belt conveyor |
| CN109353759B (en) * | 2018-10-17 | 2020-04-28 | 山东科技大学 | Dual-mode driving brakable device of belt conveyor |
| 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 |
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2016
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| Title |
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| CN106762882A (en) | 2017-05-31 |
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