CN207297499U - Complete-section tunnel boring machine is hinged hydraulic system - Google Patents
Complete-section tunnel boring machine is hinged hydraulic system Download PDFInfo
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- CN207297499U CN207297499U CN201721107716.7U CN201721107716U CN207297499U CN 207297499 U CN207297499 U CN 207297499U CN 201721107716 U CN201721107716 U CN 201721107716U CN 207297499 U CN207297499 U CN 207297499U
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Abstract
The utility model discloses a kind of complete-section tunnel boring machine to be hinged hydraulic system, including hinged oil cylinder, three-position four-way valve, two two-port valves, check valve, check valve and overflow valve；In middle position, the first actuator port, the second actuator port are connected three-position four-way valve with oil return opening, high pressure oil inlet closure；First actuator port of three-position four-way valve is connected by the first two two-port valves with the rodless cavity of hinged oil cylinder, and the second actuator port of three-position four-way valve is connected by the second two two-port valves with the rod chamber of hinged oil cylinder.The hinged hydraulic system with complete-section tunnel boring machine articulated system, it can be achieved that turning of the complete-section tunnel boring machine in tunnel excavating process；When hinged oil cylinder is subject to external force, overpressure protection can be achieved in rod chamber and rodless cavity, final to protect development machine without damage；When development machine is turned in tunnel excavating process, operating mode needs hinged oil cylinder freely to stretch with during mechanical structure, this hydraulic system can real hinged oil cylinder floating.
Description
Technical field
A kind of hydraulic system is the utility model is related to, more particularly to a kind of complete-section tunnel boring machine is hinged hydraulic system.
Background technology
On complete-section tunnel boring machine, hinged oil cylinder is arranged on development machine body, when development machine works, development machine
The tunnel of corresponding section and route need to be excavated out according to the requirement of tunnel highway route design.Tunnel route has left and right turning and upper nutation
Face upward, this just needs development machine to realize turning function on request in tunnel excavating process.Articulated system is exactly to realize pick
The device turned with pitching is realized when tunneling tunnel into machine, hinged hydraulic system is exactly to provide power and control work(for the system
The system of energy.Hinged hydraulic system is multiple various used in complete-section tunnel boring machine at present, and insufficiency, is tunneled realizing
Function is bad when machine is turned or operates troublesome.
The content of the invention
In order to overcome drawbacks described above, the utility model provides a kind of complete-section tunnel boring machine and is hinged hydraulic system, fortune
With hydraulic valve function combinatorial principle, the method being combined using the common reversal valve of change and inserted valve, can easily development machine be existed
The functions such as turning, floating, overpressure protection in tunnel excavating process, so that turning of the development machine in tunnel excavating process is more
Flexibly, safer, operation is also more convenient.
The utility model in order to solve its technical problem used by technical solution be：A kind of complete-section tunnel boring machine hinge
Connect hydraulic system, including hinged oil cylinder, which has rod chamber and rodless cavity, further include three-position four-way valve, first liang
Position two-port valve, the second two two-port valves, the first check valve, the second check valve, the first overflow valve and the second overflow valves, described three
Four-way valve includes the first actuator port, the second actuator port, oil return opening and high pressure hydraulic fluid port；The three-position four-way valve in middle position,
First actuator port, the second actuator port are connected with oil return opening, the high pressure oil inlet closure；The three-position four-way valve
The first actuator port be connected by the first two two-port valves with the rodless cavity of the hinged oil cylinder, the three-position four-way valve
Second actuator port is connected by the second two two-port valves with the rod chamber of the hinged oil cylinder；The hinged oil cylinder has bar
Chamber is connected with the high-pressure mouth of first overflow valve, the forward conduction mouth of the first check valve and the first pressure measuring tie-in, described
It is connected after the oil return opening parallel connection of the oil return opening of first overflow valve and the first check valve with the oil return opening of the three-position four-way valve；Institute
State the rodless cavity of the hinged oil cylinder and high-pressure mouth of second overflow valve, the forward conduction mouth of the second check valve and the second pressure measurement
Connector is connected, after the oil return opening parallel connection of the oil return opening and the second check valve of second overflow valve with the three-position four-way valve
Oil return opening connection；When the hinged oil cylinder need to stretch out, its rodless cavity oil inlet, rod chamber oil return, a left side for the three-position four-way valve
Electromagnet obtain electric and right electromagnet must not electricity, which is in left position, the electromagnet and second of the first two two-port valves
The electromagnet of two two-port valves obtains electric, is in conducting state；When hinged oil cylinder need to retract, its rod chamber oil inlet, rodless cavity returns
Oil, the right electromagnet of the three-position four-way valve obtain electric and left electromagnet must not electricity, which is in right position, the first two
The electromagnet of the electromagnet of two-port valve and the second two two-port valves obtains electric, is in conducting state；When the electromagnetism of all solenoid valves
When iron must not be electric, hinged oil cylinder is in hold mode；When hinged oil cylinder is subject to external broach, its rod chamber hydraulic oil is pressurized,
When pressure rise exceedes the overflow valve design definite value being connected with rod chamber, overflow valve off-load；When hinged oil cylinder is subject to external pressure
When, its rodless cavity hydraulic oil is pressurized, when pressure rise exceedes the overflow valve design definite value being connected with rod chamber, overflow valve off-load；
When operating mode needs hinged oil cylinder two-way floating, the electromagnet of first and second two-position three-way valve can at the same time it is electric, first and second two
Triple valve is in conducting state and is communicated with oil return opening, and hinged oil cylinder can be with outer load two-way floating at this time；When operating mode needs to cut with scissors
When connecing oil cylinder and only stretching out floating, the electromagnet of the second two-position three-way valve can obtain it is electric, the second two-position three-way valve it is in the conduction state with
Oil return inlet T communicates, while rodless cavity can obtain repairing by check valve 10 from oil return inlet T passage, and hinged oil cylinder can be with this time
Outer load is floated to stretching direction；When operating mode needs hinged oil cylinder only to be retracted out floating, the electromagnet of the first two-position three-way valve
It can obtain electric, the first two-position three-way valve is in the conduction state to be communicated with oil return inlet T, while rod chamber can be by check valve from oil return opening
Repairing is obtained in T passages, hinged oil cylinder can float with outer load to retracted orientation at this time.
The beneficial effects of the utility model are：
1. it can realize turning of the complete-section tunnel boring machine in tunnel excavating process；
2. when hinged oil cylinder is subject to external force, overpressure protection can be achieved in rod chamber and rodless cavity, finally protects development machine
It is without damage；
3. when development machine is turned in tunnel excavating process, operating mode need hinged oil cylinder can with during mechanical structure from
By stretching, this hydraulic system can real hinged oil cylinder floating；
4. it is simple to be hinged Hydraulic System Principle, few using Hydraulic Elements, and can meet working condition requirement again, easy to maintenance.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
With reference to attached drawing, make the following instructions：
1 --- three-position four-way valve；2 --- the first two two-port valves；
3 --- the second two two-port valves；4 --- the first check valve；
5 --- the first overflow valve；6 --- the first pressure measuring tie-in；
7 --- hinged oil cylinder；8 --- the second overflow valve；
9 --- the second pressure measuring tie-in；10 --- the second check valve；
A --- the first actuator port；B --- the second actuator port；
P --- high pressure hydraulic fluid port；T --- oil return opening；
1YV --- left electromagnet；2YV --- right electromagnet；
3YV --- electromagnet；4YV --- electromagnet；
Embodiment
Below in conjunction with attached drawing, a preferred embodiment to the utility model elaborates.But the guarantor of the utility model
Shield scope is not limited to following embodiments, i.e., is made in every case with present utility model application the scope of the claims and description simple
Equivalent changes and modifications, all still belongs within the utility model patent covering scope.
Refering to attached drawing 1, hydraulic system is hinged for a kind of complete-section tunnel boring machine described in the utility model, including it is hinged
Oil cylinder 7, three-position four-way valve 1, the first two two-port valves 2, the second two two-port valves 3, the first check valve 4, the second check valve 10,
One overflow valve 5 and the second overflow valve 8.Hinged oil cylinder 7 has rod chamber and rodless cavity, and three-position four-way valve includes the first actuator port
A, the second actuator port B, oil return inlet T and high pressure hydraulic fluid port P.Three-position four-way valve is in middle position, the first actuator port A, the second work
Hydraulic fluid port B is connected with oil return inlet T, high pressure oil inlet P closure.
Wherein, the first actuator port A of three-position four-way valve by the first two two-port valves with the hinged oil cylinder without bar
Chamber is connected, and the second actuator port B of three-position four-way valve is connected by the second two two-port valves with the rod chamber of hinged oil cylinder.
The rod chamber of hinged oil cylinder and 6 phase of the high-pressure mouth of the first overflow valve, the forward conduction mouth of the first check valve and the first pressure measuring tie-in
Connection, is connected after the oil return opening parallel connection of the oil return opening of the first overflow valve and the first check valve with the oil return opening of three-position four-way valve.
The rodless cavity of hinged oil cylinder and 9 phase of the high-pressure mouth of the second overflow valve, the forward conduction mouth of the second check valve and the second pressure measuring tie-in
Connection, the oil return opening after the oil return opening parallel connection of the oil return opening of the second overflow valve and the second check valve with the three-position four-way valve connect
It is logical.
The course of work that the complete-section tunnel boring machine is hinged hydraulic system is as follows：
When hinged oil cylinder 7 need to stretch out, its rodless cavity oil inlet, rod chamber oil return, the left electromagnet 1YV of three-position four-way valve obtains electric
And right electromagnet 2YV must not electricity, which is in left position, the electromagnet 3YV of the first two two-port valves 2 and the second two two-port valves 3
Electromagnet 4YV obtain electric, be in conducting state.When hinged oil cylinder 7 need to retract, rod chamber oil inlet, rodless cavity oil return, three four
The right electromagnet 2YV of port valve obtain electric and left electromagnet 1YV must not electricity, which is in right position, the electromagnet of the first two two-port valves 2
The electromagnet 4YV of 3YV and the second two two-port valves 3 obtains electric, is in conducting state.When the electromagnet of all solenoid valves must not
When electric, hinged oil cylinder 7 is in hold mode.
When hinged oil cylinder 7 is subject to external broach, hydraulic oil is pressurized in its rod chamber, when pressure rise exceedes and rod chamber phase
When overflow valve 5 even designs definite value, 5 off-load of overflow valve；When hinged oil cylinder 7 is subject to external pressure, its rodless cavity hydraulic oil is pressurized,
When pressure rise exceedes the design definite value of overflow valve 8 being connected with rod chamber, 8 off-load of overflow valve.
When operating mode needs 7 two-way floating of hinged oil cylinder, the electromagnet of first and second two-position three-way valve 2,3 can at the same time it is electric,
2 two-position three-way valves are in conducting state and are communicated with oil return inlet T, and hinged oil cylinder can be with outer load two-way floating at this time；Work as work
When condition needs the hinged oil cylinder 7 only to stretch out floating, the electromagnet of two-position three-way valve 3 can obtain electric, and two-position three-way valve 3 is in the conduction state
Communicated with oil return inlet T, while rodless cavity can lead to check valve 10 and repairing is obtained from oil return inlet T passage, hinged oil cylinder can be with this time
Outer load is floated to stretching direction.When operating mode needs hinged oil cylinder 7 only to be retracted out floating, the electromagnet of two-position three-way valve 2 can
Must be electric, two-position three-way valve 2 is in the conduction state to be communicated with oil return inlet T, while rod chamber can lead to check valve 4 from oil return inlet T passage
Middle acquisition repairing, at this time hinged oil cylinder can with it is outer load to retracted orientation float.
The hinged hydraulic system is used for complete-section tunnel boring machine product, can be with the liquid of identical, similar or other functions
Pressure system is used in parallel.
It can be seen from the above that the hinged hydraulic system with complete-section tunnel boring machine articulated system, it can be achieved that tunneling boring tunnel
Turning of the road development machine in tunnel excavating process；When hinged oil cylinder is subject to external force, rod chamber and rodless cavity can be achieved to surpass
Pressure protection, it is final to protect development machine without damage；When development machine is turned in tunnel excavating process, operating mode needs hinged oil cylinder
Can freely stretch with during mechanical structure, this hydraulic system can real hinged oil cylinder floating.
Claims (1)
1. a kind of complete-section tunnel boring machine is hinged hydraulic system, including hinged oil cylinder (7), the hinged oil cylinder have rod chamber and
Rodless cavity, it is characterised in that：Further include three-position four-way valve (1), the first two two-port valves (2), the second two two-port valves (3),
One check valve (4), the second check valve (10), the first overflow valve (5) and the second overflow valve (8), the three-position four-way valve include the
One actuator port (A), the second actuator port (B), oil return opening (T) and high pressure hydraulic fluid port (P)；The three-position four-way valve in middle position,
First actuator port (A), the second actuator port (B) are connected with oil return opening (T), high pressure oil inlet (P) closure；Institute
The first actuator port (A) of three-position four-way valve is stated by the first two two-port valves with the rodless cavity of the hinged oil cylinder to be connected,
The second actuator port (B) of the three-position four-way valve is connected by the second two two-port valves with the rod chamber of the hinged oil cylinder
It is logical；The high-pressure mouth of the rod chamber of the hinged oil cylinder and first overflow valve, the forward conduction mouth of the first check valve and the
One pressure measuring tie-in (6) is connected, with described three after the oil return opening parallel connection of the oil return opening and the first check valve of first overflow valve
The oil return opening of position four-way valve is connected；It is the high-pressure mouth of the rodless cavity of the hinged oil cylinder and second overflow valve, second unidirectional
The forward conduction mouth and the second pressure measuring tie-in (9) of valve are connected, the oil return opening of second overflow valve and the second check valve
Oil return opening after oil return opening parallel connection with the three-position four-way valve connects；When the hinged oil cylinder (7) need to stretch out, its rodless cavity into
Oil, rod chamber oil return, the left electromagnet (1YV) of the three-position four-way valve obtains electric and right electromagnet (2YV) must not be electric, this three four
Port valve is in left position, the electromagnet (4YV) of the electromagnet (3YV) of the first two two-port valves (2) and the second two two-port valves (3)
Electricity, is in conducting state；When hinged oil cylinder (7) need to retract, its rod chamber oil inlet, rodless cavity oil return, the three-position four-way valve
Right electromagnet (2YV) electric and left electromagnet (1YV) must not electricity, which is in right position, the first two two-port valves
(2) electromagnet (4YV) of electromagnet (3YV) and the second two two-port valves (3) it is electric, be in conducting state；When all electricity
When the electromagnet of magnet valve must not be electric, hinged oil cylinder (7) is in hold mode；When hinged oil cylinder (7) is subject to external broach, it has
Rod cavity hydraulic oil is pressurized, when pressure rise exceedes overflow valve (5) the design definite value being connected with rod chamber, overflow valve (5) off-load；
When hinged oil cylinder (7) is subject to external pressure, its rodless cavity hydraulic oil is pressurized, and pressure rise exceedes the overflow valve being connected with rod chamber
(8) when designing definite value, overflow valve (8) off-load；When operating mode needs hinged oil cylinder (7) two-way floating, first and second two-position three-way valve
The electromagnet of (2,3) can at the same time it is electric, first and second two-position three-way valve is in conducting state and is communicated with oil return opening (T), cuts with scissors at this time
Connecing oil cylinder can be with outer load two-way floating；When operating mode needs hinged oil cylinder (7) only to stretch out floating, the second two-position three-way valve (3)
Electromagnet can obtain electric, the second two-position three-way valve (3) is in the conduction state to be communicated with oil return opening (T), while rodless cavity can pass through
Second check valve (10) obtains repairing from oil return opening (T) passage, and hinged oil cylinder can float with outer load to stretching direction at this time；
When operating mode needs hinged oil cylinder (7) only to be retracted out floating, the electromagnet of the first two-position three-way valve (2) can obtain it is electric, the first two
Triple valve (2) is in the conduction state to be communicated with oil return opening (T), while rod chamber can be by check valve (4) from oil return opening (T) passage
Middle acquisition repairing, at this time hinged oil cylinder can with it is outer load to retracted orientation float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107716.7U CN207297499U (en) | 2017-08-31 | 2017-08-31 | Complete-section tunnel boring machine is hinged hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721107716.7U CN207297499U (en) | 2017-08-31 | 2017-08-31 | Complete-section tunnel boring machine is hinged hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN207297499U true CN207297499U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721107716.7U Active CN207297499U (en) | 2017-08-31 | 2017-08-31 | Complete-section tunnel boring machine is hinged hydraulic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461375A (en) * | 2017-08-31 | 2017-12-12 | 江苏凯宫隧道机械有限公司 | Complete-section tunnel boring machine is hinged hydraulic system |
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2017
- 2017-08-31 CN CN201721107716.7U patent/CN207297499U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461375A (en) * | 2017-08-31 | 2017-12-12 | 江苏凯宫隧道机械有限公司 | Complete-section tunnel boring machine is hinged hydraulic system |
| CN107461375B (en) * | 2017-08-31 | 2023-09-22 | 江苏凯宫隧道机械有限公司 | Full-face tunnel boring machine articulated hydraulic system |
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