CN102943421A - Excavation mudsill opening and closing automatic control device, method and process - Google Patents
Excavation mudsill opening and closing automatic control device, method and process Download PDFInfo
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- CN102943421A CN102943421A CN2012105027355A CN201210502735A CN102943421A CN 102943421 A CN102943421 A CN 102943421A CN 2012105027355 A CN2012105027355 A CN 2012105027355A CN 201210502735 A CN201210502735 A CN 201210502735A CN 102943421 A CN102943421 A CN 102943421A
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Abstract
The invention relates to a non-halt excavation mudsill opening and closing automatic control device, a method and a process, which is used for operation of a railway turnout screening machine. The excavation mudsill opening and closing automatic control device comprises an oil cylinder hydraulic system and an oil cylinder electric control system, wherein the oil cylinder hydraulic system comprises a mudsill stretching oil cylinder, a driving device lifting oil cylinder, a chain tension oil cylinder, an ascending guide groove vertical oil cylinder, an ascending guide groove horizontal oil cylinder, a descending guide groove horizontal oil cylinder and a descending guide groove vertical oil cylinder; and the oil cylinder electric control system comprises a PLC (Programmable Logic Controller) control system. When the railway turnout screening machine operates, the PLC control system is used for programming the motion of an oil cylinder of related working mechanisms matched with a mudsill oil cylinder when the mudsill oil cylinder is unfolded and folded; the speed of each oil cylinder is adjusted through a flow valve of the hydraulic system, so that each working mechanism is located at the accurate position; and the excavation mudsill can be automatically unfolded or automatically folded in a non-halt manner when the operation of the railway turnout screening machine is completed through a control key.
Description
Technical field
The invention belongs to electric and hydraulic combined control technology field, be specifically related to a kind of the parking during for the operation of railway switch screen scarifier and excavate bottom girder folding automaton, method and process.
Background technology
At present, when the railway switch cleaning, be constantly to change owing to excavating width; constantly broaden, or constantly narrow down, existing cleaning mode all is after shutting down in operation; the artificial length that increases or reduce excavation bottom girder and digger chain is finished the cleaning of whole track switch, and this scheme is time-consuming.
Other is that the Chinese invention patent of 200510019414.X discloses a kind of railway turnout ballast cleaning-sieving machine such as the patent No., formed by digging mechanism, screening plant, conveying mechanism, running gear etc., during operation, pillow end fragment-digging equipment can be cut pillow end railway roadbed, the chain of taking off that is mounted thereon rotates ballast aggregate is clawed to bucket wheel, by bucket wheel the ballast aggregate of the ballast aggregate that claws and side slope has been dug and has promoted and delivered on the belt conveyor.This railway turnout ballast cleaning-sieving machine operation is not subjected to the restriction of circuit ballast bed structure, both can be in the track switch location, also can intersect and the operation of double crossover location, also suit to carry out the ballast cleaning operation at other circuit or side slope, do not need the human assistance adjustment can finish continuously ballast cleaning work in the operation process.The patent No. is that 200520097416.6 Chinese utility model patent discloses a kind of digging mechanism for railway ballast, dig quarrel mechanism and can cut pillow end railway roadbed beyond railway roadbed by horizontal extension and vertical lifting mechanism at its pillow end, taking off chain work digs out ballast aggregate, and ballast aggregate delivered to railway track one side, by bucket wheel the ballast aggregate that digs out is collected and promoted and deliver on the belt conveyor.This device can respectively be installed a cover in the both sides of sieve cleaning mechanism main car body, two simultaneously operations of cover excavating gear, but also independently working.Existing screen scarifier and excavation thereof, adjusting device complex structure, track switch cleaning efficient is low.
Summary of the invention
In order to solve the problems of the technologies described above; do not stop when the invention provides a kind of railroad switch ballast cleaning machine operation and excavate bottom girder folding automaton; when realizing the railroad switch ballast cleaning machine operation, this device in non-stop-machine situation, do not need the artificial length that increases or reduce excavation bottom girder and digger chain just can finish the cleaning work of track switch.
To achieve these goals, the present invention adopts following technical scheme.
A kind of excavation bottom girder folding automaton is used for the operation of railway switch screen scarifier, and this automaton comprises oil cylinder hydraulic system and oil cylinder electrical control system.
Preferably, described oil cylinder hydraulic system comprises oil cylinder: bottom girder telescopic oil cylinder, drive unit hoist cylinder, chain tensioning hydro-cylinder, rising guide groove Vertical Cylinders, rising guide groove cross cylinder, decline guide groove cross cylinder, decline guide groove Vertical Cylinders in such scheme.
Preferably, described oil cylinder hydraulic system also comprises the electromagnetic valve corresponding with described oil cylinder in such scheme: bottom girder telescopic oil cylinder electromagnetic valve, drive unit hoist cylinder electromagnetic valve, chain tensioning hydro-cylinder electromagnetic valve, rising guide groove Vertical Cylinders electromagnetic valve, rising guide groove Vertical Cylinders electromagnetic valve, rising guide groove cross cylinder electromagnetic valve, rising guide groove cross cylinder electromagnetic valve, decline guide groove cross cylinder electromagnetic valve, decline guide groove cross cylinder electromagnetic valve, decline guide groove Vertical Cylinders electromagnetic valve, the decline guide groove Vertical Cylinders electromagnetic valve that floats that floats that floats that floats.
Preferably, described oil cylinder electrical control system comprises the PLC control system and selects gauge tap in such scheme.
Preferably, described PLC control system comprises a PLC controller and local I/O port in such scheme.
Preferably, described selection gauge tap comprises that bottom girder expansion switch one, bottom girder expansion switch two, bottom girder close up switch one, bottom girder closes up switch two in such scheme.
In such scheme, preferably, respectively be provided with the one-way throttle valve of a capable of regulating oil cylinder speed in the large and small chamber of bottom girder telescopic oil cylinder, drive unit hoist cylinder, chain tensioning hydro-cylinder.
In such scheme, preferably, respectively be provided with one in the large and small chamber of rising guide groove Vertical Cylinders, rising guide groove cross cylinder, decline guide groove Vertical Cylinders, decline guide groove cross cylinder and be used for unsteady two-position two-way solenoid valve.
The invention also discloses a kind of excavation bottom girder folding autocontrol method, comprise above-mentioned excavation bottom girder folding automaton, this autocontrol method comprises: during the operation of railway switch screen scarifier, utilize the PLC control system that the bottom girder oil cylinder is launched and the cylinder action of the related work mechanism that cooperates with it when closing up is programmed, by each oil cylinder speed of flow rate of hydraulic system valve regulation, make each operating mechanism be in a kind of correct position, utilize a control button not stop when finishing the operation of railway switch screen scarifier to excavate the bottom girder Automatic-expanding or automatically close up.
The present invention discloses again a kind of excavation bottom girder folding automatic control process, comprises aforesaid excavation bottom girder folding automaton, and this automatic control process comprises:
Before the operation of railway switch screen scarifier, choose track switch Bifurcation Patterns and the stage model that open on folding pattern, the left side of launching or closing up or open on the right side,
When the railway switch screen scarifier carries out the track switch digging operation, after operating personnel send expansion or close up stage signal, the PLC control system is according to the corresponding bottom girder telescopic oil cylinder electromagnetic valve of signal control, drive unit hoist cylinder electromagnetic valve, chain tensioning hydro-cylinder electromagnetic valve, rising guide groove Vertical Cylinders electromagnetic valve, rising guide groove cross cylinder electromagnetic valve, decline guide groove Vertical Cylinders electromagnetic valve, decline guide groove cross cylinder electromagnetic valve, the rising guide groove Vertical Cylinders electromagnetic valve that floats, the rising guide groove cross cylinder electromagnetic valve that floats, the decline guide groove Vertical Cylinders electromagnetic valve that floats, the decline guide groove cross cylinder electromagnetic valve that floats, make these electromagnetic valves under the different combination of three kinds of patterns, be in different duties, drive corresponding oil cylinder coordination, make each operating mechanism be in a kind of correct position, in not parking situation, excavate the bottom girder Automatic-expanding or automatically close up the cleaning work of finishing whole group of track switch when allowing the operation of track switch screen scarifier.
In such scheme preferably, its Automatic-expanding control procedure is carried out the phase I and is launched under right hand turnout, evolutionary operation pattern, stir bottom girder and launch switch one, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder outwards stretches, simultaneously PLC send signal get by the right electromagnet of chain tensioning hydro-cylinder electromagnetic valve electric, chain tensioning hydro-cylinder retraction; Allow the unsteady electromagnetic valve electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; Allow two decline guide groove Vertical Cylinders float electromagnetic valve electromagnet intermittently electric, the decline guide groove makes bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves by the whereabouts of conducting oneself with dignity in the vertical direction.
In such scheme preferably, its Automatic-expanding control procedure is carried out second stage and is launched under right hand turnout, evolutionary operation pattern, stir bottom girder and launch switch two, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder outwards stretches, simultaneously PLC send signal get by the right electromagnet of drive unit hoist cylinder electromagnetic valve electric, drive unit hoist cylinder retraction; Allow the unsteady electromagnetic valve electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; Allow two decline guide groove Vertical Cylinders float electromagnetic valve electromagnet intermittently electric, the decline guide groove falls to making bottom girder and ground maintenance level by deadweight in the vertical direction, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder piston stretches out to the end expansion process.
In such scheme preferably, its Automatic-expanding control procedure is carried out the phase I and is launched under left hand turnout, evolutionary operation pattern, stir bottom girder and launch switch one, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder outwards stretches, simultaneously PLC send signal get by the right electromagnet of chain tensioning hydro-cylinder electromagnetic valve electric, chain tensioning hydro-cylinder retraction; Allow the float electromagnet of electromagnetic valve of two rising guide groove cross cylinders get electricly, the rising guide groove is in the horizontal direction unsteady; Allow two rising guide groove Vertical Cylinders float electromagnetic valve electromagnet intermittently electric, the rising guide groove makes bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves by the whereabouts of conducting oneself with dignity in the vertical direction.
In such scheme preferably, its Automatic-expanding control procedure is carried out second stage and is launched under left hand turnout, evolutionary operation pattern, stir bottom girder and launch switch two, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder outwards stretches, simultaneously PLC send signal get by the right electromagnet of drive unit hoist cylinder electromagnetic valve electric, drive unit hoist cylinder retraction; Allow the float electromagnet of electromagnetic valve of two rising guide groove cross cylinders get electricly, the rising guide groove is in the horizontal direction unsteady; Allow two rising guide groove Vertical Cylinders float electromagnetic valve electromagnet intermittently electric, the rising guide groove falls to making bottom girder and ground maintenance level by deadweight in the vertical direction, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder piston stretches out to the end expansion process.
In such scheme preferably, its automatically close up control procedure at right hand turnout, close up and carry out the phase I under the work pattern and close up, stir bottom girder and close up switch one, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder inwardly closes up, simultaneously PLC sends signal and gets electricly by the left side electromagnet of drive unit hoist cylinder electromagnetic valve, and the drive unit hoist cylinder is overhanging; Allow the float electromagnet of electromagnetic valve of 2 rising guide groove cross cylinders get electricly, the rising guide groove is in the horizontal direction unsteady; The left side electromagnet of rising guide groove Vertical Cylinders electromagnetic valve intermittently electric, make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves.
In such scheme preferably, its automatically close up control procedure at right hand turnout, close up and carry out second stage under the work pattern and close up, stir bottom girder and close up out switch two, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder inwardly closes up, simultaneously PLC sends signal and gets electricly by the left side electromagnet of chain tensioning hydro-cylinder electromagnetic valve, and the chain tensioning hydro-cylinder is overhanging; Allow the float electromagnet of electromagnetic valve of two rising guide groove cross cylinders get electricly, the rising guide groove is in the horizontal direction unsteady; Allow rising guide groove Vertical Cylinders electromagnetic valve left side electromagnet intermittently electric, make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder piston retraction closes up process to the end.
In such scheme preferably, its automatically close up control procedure at left hand turnout, close up and carry out the phase I under the work pattern and close up, stir bottom girder and close up switch one, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder inwardly closes up, simultaneously PLC sends signal and gets electricly by the left side electromagnet of drive unit hoist cylinder electromagnetic valve, and the drive unit hoist cylinder is overhanging; Allow the unsteady electromagnetic valve electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; The right electromagnet of decline guide groove Vertical Cylinders electromagnetic valve intermittently electric, make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves.
In such scheme preferably, its automatically close up control procedure at left hand turnout, close up and carry out second stage under the work pattern and close up, stir bottom girder and close up out switch two, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve get electric, the bottom girder telescopic oil cylinder inwardly closes up, simultaneously PLC sends signal and gets electricly by the left side electromagnet of chain tensioning hydro-cylinder electromagnetic valve, and the chain tensioning hydro-cylinder is overhanging; Allow the unsteady electromagnetic valve electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; The right electromagnet of decline guide groove Vertical Cylinders electromagnetic valve intermittently electric, make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder piston retraction closes up process to the end.
Excavation bottom girder folding automaton of the present invention, method and process, its automaton comprises oil cylinder hydraulic system and oil cylinder electrical control system, when the operation of railway switch screen scarifier, utilize the PLC control system that the bottom girder oil cylinder is launched and the cylinder action of the related work mechanism that cooperates with it when closing up is programmed, by each oil cylinder speed of flow rate of hydraulic system valve regulation, make each operating mechanism be in a kind of correct position, utilize a control button not stop when finishing the operation of railway switch screen scarifier to excavate the bottom girder Automatic-expanding or automatically close up.
The invention has the beneficial effects as follows, in not parking situation, finish the cleaning work of whole group of track switch in the time of can realizing branching off the screen scarifier operation, greatly reduce consumption and the waste of time of manpower.
Description of drawings
Fig. 1 is a kind of excavation bottom girder folding automaton oil cylinder hydraulic systematic schematic diagram that excavates a preferred embodiment of bottom girder folding automaton, method and process of the present invention;
Fig. 2 is a kind of excavation bottom girder folding automatic control process schematic diagram that excavates a preferred embodiment of bottom girder folding automaton, method and process of the present invention;
Reference numeral:
1. bottom girder telescopic oil cylinder electromagnetic valve, 2. drive unit hoist cylinder electromagnetic valve, 3. chain tensioning hydro-cylinder electromagnetic valve, 4. rising guide groove Vertical Cylinders electromagnetic valve, 5. the rising guide groove Vertical Cylinders electromagnetic valve that floats, 6. rising guide groove cross cylinder electromagnetic valve, 7. the rising guide groove cross cylinder electromagnetic valve that floats, 8. decline guide groove cross cylinder electromagnetic valve, 9. the decline guide groove cross cylinder electromagnetic valve that floats, 10. decline guide groove Vertical Cylinders electromagnetic valve, the electromagnetic valve 11. decline guide groove Vertical Cylinders floats, 12. decline guide groove Vertical Cylinders, 13. decline guide groove cross cylinders, 14. rising guide groove cross cylinder, 15. rising guide groove Vertical Cylinders, 16. chain tensioning hydro-cylinders, 17. drive unit hoist cylinders, 18. the bottom girder telescopic oil cylinder, 19. one-way throttle valves.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is elaborated, below describe only conduct demonstration and explanation, the present invention is not done any pro forma restriction.
A kind of for railway switch screen scarifier operation excavation bottom girder folding automaton, comprise oil cylinder hydraulic system and oil cylinder electrical control system.
The oil cylinder hydraulic system comprises bottom girder telescopic oil cylinder 18 and bottom girder telescopic oil cylinder electromagnetic valve 1, drive unit hoist cylinder 17 and drive unit hoist cylinder electromagnetic valve 2, chain tensioning hydro-cylinder 16 and chain tensioning hydro-cylinder electromagnetic valve 3, rising guide groove Vertical Cylinders 15 and rising guide groove Vertical Cylinders electromagnetic valve 4 and the rising guide groove Vertical Cylinders electromagnetic valve 5 that floats, rising guide groove cross cylinder 14 and rising guide groove cross cylinder electromagnetic valve 6 and the rising guide groove cross cylinder electromagnetic valve 7 that floats, decline guide groove cross cylinder 13 and decline guide groove cross cylinder electromagnetic valve 8 and the decline guide groove cross cylinder electromagnetic valve 9 that floats, decline guide groove Vertical Cylinders 12 and decline guide groove Vertical Cylinders electromagnetic valve 10 and the decline guide groove Vertical Cylinders electromagnetic valve 11 that floats.Respectively be provided with the one-way throttle valve 19 of a capable of regulating oil cylinder speed in the large and small chamber of bottom girder telescopic oil cylinder 18, drive unit hoist cylinder 17, chain tensioning hydro-cylinder 16, respectively be provided with one in the large and small chamber of rising guide groove Vertical Cylinders 15, rising guide groove cross cylinder 14, decline guide groove Vertical Cylinders 12, decline guide groove cross cylinder 13 and be used for unsteady two-position two-way solenoid valve.
The oil cylinder electrical control system comprises the PLC control system and selects gauge tap.The PLC control system comprises a PLC controller and local I/O port, selects gauge tap to comprise that bottom girder expansion switch one, bottom girder expansion switch two, bottom girder close up switch one, bottom girder closes up switch two.
A kind of excavation bottom girder folding autocontrol method, comprise: during the operation of railway switch screen scarifier, utilize the PLC control system that the bottom girder oil cylinder is launched and the cylinder action of the related work mechanism that cooperates with it when closing up is programmed, by each oil cylinder speed of flow rate of hydraulic system valve regulation, make each operating mechanism be in a kind of correct position, utilize a control button not stop when finishing the operation of railway switch screen scarifier to excavate the bottom girder Automatic-expanding or automatically close up.
A kind of excavation bottom girder folding automatic control process comprises:
Before the operation of railway switch screen scarifier, choose track switch Bifurcation Patterns and the stage model that open on folding pattern, the left side of launching or closing up or open on the right side,
When the railway switch screen scarifier carries out the track switch digging operation, after operating personnel send expansion or close up stage signal, the PLC control system is according to the corresponding bottom girder telescopic oil cylinder electromagnetic valve 1 of signal control, drive unit hoist cylinder electromagnetic valve 2, chain tensioning hydro-cylinder electromagnetic valve 3, rising guide groove Vertical Cylinders electromagnetic valve 4, rising guide groove cross cylinder electromagnetic valve 6, decline guide groove Vertical Cylinders electromagnetic valve 10, decline guide groove cross cylinder electromagnetic valve 8, the rising guide groove Vertical Cylinders electromagnetic valve 5 that floats, the rising guide groove cross cylinder electromagnetic valve 7 that floats, the decline guide groove Vertical Cylinders electromagnetic valve 11 that floats, the decline guide groove cross cylinder electromagnetic valve 9 that floats, make these electromagnetic valves under the different combination of three kinds of patterns, be in different duties, drive corresponding oil cylinder coordination, make each operating mechanism be in a kind of correct position, in not parking situation, excavate the bottom girder Automatic-expanding or automatically close up the cleaning work of finishing whole group of track switch when allowing the operation of track switch screen scarifier
Its Automatic-expanding control procedure is divided into two kinds of operating modes:
The operating mode I: right hand turnout, evolutionary operation, operating personnel begin operation after choosing folding pattern, track switch Bifurcation Patterns.
Phase I is launched Q1, after excacation begins, the move ahead width of track switch of vehicle continues to increase, operating personnel stir bottom girder and launch switch one, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the parallel position work of spool), bottom girder telescopic oil cylinder 18 outwards stretches, and simultaneously PLC sends signal and gets electric (being the intersection position work of spool), chain tensioning hydro-cylinder 16 retractions by the right electromagnet of chain tensioning hydro-cylinder electromagnetic valve 3; Allow unsteady electromagnetic valve 9 electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; Allow two decline guide groove Vertical Cylinders float electromagnetic valve 11 electromagnet intermittently electric, the decline guide groove makes bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves by the whereabouts of conducting oneself with dignity in the vertical direction.
Second stage is launched Q2, when chain tensioning hydro-cylinder 16 piston rods have all bounced back, and bottom girder also will continue broadening, operating personnel stir bottom girder and launch switch two, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the parallel position work of spool), bottom girder telescopic oil cylinder 18 outwards stretches, simultaneously PLC sends signal and gets electric (being the intersection position work of spool), drive unit hoist cylinder 17 retractions by the right electromagnet of drive unit hoist cylinder electromagnetic valve 2; Allow unsteady electromagnetic valve 9 electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; Allow two decline guide groove Vertical Cylinders float electromagnetic valve 11 electromagnet intermittently electric, the decline guide groove falls to making bottom girder and ground maintenance level by deadweight in the vertical direction, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder 18 pistons stretch out to the end expansion process.
The operating mode II: left hand turnout, evolutionary operation, operating personnel begin operation after choosing folding pattern, track switch Bifurcation Patterns.
Phase I is launched Q3, after excacation begins, the move ahead width of track switch of vehicle continues to increase, operating personnel stir bottom girder and launch switch one, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the parallel position work of spool), bottom girder telescopic oil cylinder 18 outwards stretches, and simultaneously PLC sends signal and gets electric (being the intersection position work of spool), chain tensioning hydro-cylinder 16 retractions by the right electromagnet of chain tensioning hydro-cylinder electromagnetic valve 3; Allow unsteady electromagnetic valve 7 electromagnet of two rising guide groove cross cylinders get electric, the rising guide groove is in the horizontal direction unsteady; Allow two rising guide groove Vertical Cylinders float electromagnetic valve 5 electromagnet intermittently electric, the rising guide groove makes bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves by the whereabouts of conducting oneself with dignity in the vertical direction.
Second stage is launched Q4, when chain tensioning hydro-cylinder 16 piston rods have all bounced back, and bottom girder also will continue broadening, operating personnel stir bottom girder and launch switch two, the PLC control system according to signal and allow the left side electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the parallel position work of spool), bottom girder telescopic oil cylinder 18 outwards stretches, simultaneously PLC sends signal and gets electric (being the intersection position work of spool), drive unit hoist cylinder 17 retractions by the right electromagnet of drive unit hoist cylinder electromagnetic valve 2; Allow unsteady electromagnetic valve 7 electromagnet of two rising guide groove cross cylinders get electric, the rising guide groove is in the horizontal direction unsteady; Allow two rising guide groove Vertical Cylinders float electromagnetic valve 5 electromagnet intermittently electric, the rising guide groove falls to making bottom girder and ground maintenance level by deadweight in the vertical direction, the equal dead electricity of the electromagnet of all the other electromagnetic valves is finished when bottom girder telescopic oil cylinder 18 pistons stretch out to the end expansion process.
It automatically closes up control procedure and is divided into two kinds of operating modes:
The operating mode I: right hand turnout, close up operation, operating personnel begin operation after choosing operation direction mode, track switch pattern.
Phase I is closed up Q5, after excacation begins, the move ahead width of track switch of vehicle constantly reduces, operating personnel stir bottom girder and close up switch one, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the intersection position work of spool), bottom girder telescopic oil cylinder 18 inwardly closes up, simultaneously PLC sends signal and gets electric (being the parallel position work of spool) by the left side electromagnet of drive unit hoist cylinder electromagnetic valve 2, and drive unit hoist cylinder 17 is overhanging; Allow unsteady electromagnetic valve 7 electromagnet of two rising guide groove cross cylinders get electric, the rising guide groove is in the horizontal direction unsteady; The left side electromagnet of rising guide groove Vertical Cylinders electromagnetic valve 4 intermittently electric (being the parallel position work of spool), make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves.
Second stage is closed up Q6, when drive unit hoist cylinder 17 piston rods have all bounced back, and bottom girder also will continue to close up, operating personnel stir bottom girder and close up out switch two, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the intersection position work of spool), bottom girder telescopic oil cylinder 18 inwardly closes up, simultaneously PLC sends signal and gets electric (being the parallel position work of spool) by the left side electromagnet of chain tensioning hydro-cylinder electromagnetic valve 3, and chain tensioning hydro-cylinder 16 is overhanging; Allow unsteady electromagnetic valve 7 electromagnet of two rising guide groove cross cylinders get electric, the rising guide groove is in the horizontal direction unsteady; Allow rising guide groove Vertical Cylinders electromagnetic valve 4 left side electromagnet intermittently electric (being the parallel position work of spool), make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves is closed up to the end process and is finished when bottom girder telescopic oil cylinder 18 pistons bounce back.
The operating mode II: left hand turnout, close up operation, operating personnel begin operation after choosing operation direction mode, track switch pattern.
Phase I is closed up Q7, after excacation begins, the move ahead width of track switch of vehicle constantly reduces, operating personnel stir bottom girder and close up switch one, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the intersection position work of spool), bottom girder telescopic oil cylinder 18 inwardly closes up, simultaneously PLC sends signal and gets electric (being the parallel position work of spool) by the left side electromagnet of drive unit hoist cylinder electromagnetic valve 2, and drive unit hoist cylinder 17 is overhanging; Allow unsteady electromagnetic valve 9 electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; The right electromagnet of decline guide groove Vertical Cylinders electromagnetic valve 10 intermittently electric the intersection position of spool (be work), make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves.
Second stage is closed up Q8, when drive unit hoist cylinder 17 piston rods have all bounced back, and bottom girder also will continue to close up, operating personnel stir bottom girder and close up out switch two, the PLC control system according to signal and allow the right electromagnet of bottom girder telescopic oil cylinder electromagnetic valve 1 get electric (being the intersection position work of spool), bottom girder telescopic oil cylinder 18 inwardly closes up, simultaneously PLC sends signal and gets electric (being the parallel position work of spool) by the left side electromagnet of chain tensioning hydro-cylinder electromagnetic valve 3, and chain tensioning hydro-cylinder 16 is overhanging; Allow unsteady electromagnetic valve 9 electromagnet of two decline guide groove cross cylinders get electric, the decline guide groove is in the horizontal direction unsteady; The right electromagnet of decline guide groove Vertical Cylinders electromagnetic valve 10 intermittently electric the intersection position of spool (be work), make bottom girder and ground maintenance level, the equal dead electricity of the electromagnet of all the other electromagnetic valves is closed up to the end process and is finished when bottom girder telescopic oil cylinder 18 pistons bounce back.
The above only is that preferred embodiment of the present invention is described; be not to be that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. one kind is excavated bottom girder folding automaton, is used for the operation of railway switch screen scarifier, it is characterized in that: excavate bottom girder folding automaton and comprise oil cylinder hydraulic system and oil cylinder electrical control system.
2. excavation bottom girder folding automaton as claimed in claim 1 is characterized in that: described oil cylinder hydraulic system comprises oil cylinder: bottom girder telescopic oil cylinder, drive unit hoist cylinder, chain tensioning hydro-cylinder, rising guide groove Vertical Cylinders, rising guide groove cross cylinder, decline guide groove cross cylinder, decline guide groove Vertical Cylinders.
3. excavation bottom girder folding automaton as claimed in claim 1 is characterized in that: described oil cylinder hydraulic system also comprises the electromagnetic valve corresponding with described oil cylinder: bottom girder telescopic oil cylinder electromagnetic valve, drive unit hoist cylinder electromagnetic valve, chain tensioning hydro-cylinder electromagnetic valve, rising guide groove Vertical Cylinders electromagnetic valve, the rising guide groove Vertical Cylinders electromagnetic valve that floats, rising guide groove cross cylinder electromagnetic valve, the rising guide groove cross cylinder electromagnetic valve that floats, decline guide groove cross cylinder electromagnetic valve, the decline guide groove cross cylinder electromagnetic valve that floats, decline guide groove Vertical Cylinders electromagnetic valve, the decline guide groove Vertical Cylinders electromagnetic valve that floats.
4. excavation bottom girder folding automaton as claimed in claim 1 is characterized in that: described oil cylinder electrical control system comprises the PLC control system and selects gauge tap.
5. excavation bottom girder folding automaton as claimed in claim 4, it is characterized in that: described PLC control system comprises a PLC controller and local I/O port.
6. excavation bottom girder folding automaton as claimed in claim 4 is characterized in that: described selection gauge tap comprises that bottom girder launches switch one, bottom girder and launches that switch two, bottom girder close up switch one, bottom girder closes up switch two.
7. excavation bottom girder folding automaton as claimed in claim 2 is characterized in that: the one-way throttle valve that respectively is provided with a capable of regulating oil cylinder speed in the large and small chamber of bottom girder telescopic oil cylinder, drive unit hoist cylinder, chain tensioning hydro-cylinder.
8. excavation bottom girder folding automaton as claimed in claim 2 is characterized in that: respectively be provided with one in the large and small chamber of rising guide groove Vertical Cylinders, rising guide groove cross cylinder, decline guide groove Vertical Cylinders, decline guide groove cross cylinder and be used for unsteady two-position two-way solenoid valve.
9. one kind is excavated bottom girder folding autocontrol method, comprise such as each described excavation bottom girder folding automaton in the claim 1 to 8, it is characterized in that: during the operation of railway switch screen scarifier, utilize the PLC control system that the bottom girder oil cylinder is launched and the cylinder action of the related work mechanism that cooperates with it when closing up is programmed, by each oil cylinder speed of flow rate of hydraulic system valve regulation, make each operating mechanism be in a kind of correct position, utilize a control button not stop when finishing the operation of railway switch screen scarifier to excavate the bottom girder Automatic-expanding or automatically close up.
10. one kind is excavated bottom girder folding automatic control process, comprises that it is characterized in that: this automatic control process comprises such as each described excavation bottom girder folding automaton in the claim 1 to 8:
Before the operation of railway switch screen scarifier, choose track switch Bifurcation Patterns and the stage model that open on folding pattern, the left side of launching or closing up or open on the right side,
When the railway switch screen scarifier carries out the track switch digging operation, after operating personnel send expansion or close up stage signal, the PLC control system is according to the corresponding bottom girder telescopic oil cylinder electromagnetic valve of signal control, drive unit hoist cylinder electromagnetic valve, chain tensioning hydro-cylinder electromagnetic valve, rising guide groove Vertical Cylinders electromagnetic valve, rising guide groove cross cylinder electromagnetic valve, decline guide groove Vertical Cylinders electromagnetic valve, decline guide groove cross cylinder electromagnetic valve, the rising guide groove Vertical Cylinders electromagnetic valve that floats, the rising guide groove cross cylinder electromagnetic valve that floats, the decline guide groove Vertical Cylinders electromagnetic valve that floats, the decline guide groove cross cylinder electromagnetic valve that floats, make these electromagnetic valves under the different combination of three kinds of patterns, be in different duties, drive corresponding oil cylinder coordination, make each operating mechanism be in a kind of correct position, in not parking situation, excavate the bottom girder Automatic-expanding or automatically close up the cleaning work of finishing whole group of track switch when allowing the operation of track switch screen scarifier.
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| CN201210502735.5A CN102943421B (en) | 2012-11-30 | 2012-11-30 | Excavation mudsill opening and closing automatic control device, method and process |
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| CN201210502735.5A CN102943421B (en) | 2012-11-30 | 2012-11-30 | Excavation mudsill opening and closing automatic control device, method and process |
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| CN102943421B CN102943421B (en) | 2015-02-11 |
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Cited By (1)
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| CN110500343A (en) * | 2019-08-26 | 2019-11-26 | 柳州柳工挖掘机有限公司 | Excavator dozer blade hydraulic system |
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| CN102943421B (en) | 2015-02-11 |
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Address after: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee after: CHINA RAILWAY CONSTRUCTION HIGH-TECH EQUIPMENT CO., LTD. Address before: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee before: Zhongtie Giant Road Maintenance Machinery Group Co., Ltd., Kunming |