CN203598855U - Hydraulic control device for single-cylinder hydrocone crusher - Google Patents
Hydraulic control device for single-cylinder hydrocone crusher Download PDFInfo
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- CN203598855U CN203598855U CN201320780857.0U CN201320780857U CN203598855U CN 203598855 U CN203598855 U CN 203598855U CN 201320780857 U CN201320780857 U CN 201320780857U CN 203598855 U CN203598855 U CN 203598855U
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Abstract
The utility model relates to a hydraulic control device for a single-cylinder hydrocone crusher. The hydraulic control device comprises a sensing system, a hydraulic system and an electrical control system. The control device is simple and reliable in structure, free from leakage, strong in anti-electromagnetic interference capability, and convenient and intuitive to operate and is suitable for running in a complicated environment. The hydraulic control device has no special requirements on operating personnel, and the operating personnel can skillfully operate the hydraulic control device without any training.
Description
Technical field
The utility model relates to a kind of hydraulic control device.Specifically a kind of hydraulic control device for Single-Cylinder Hydraulic Cone Crusher.
Background technology
Current Single-Cylinder Hydraulic Cone Crusher generally adopts accumulator to add the main safeguard measure of motor overcurrent protection as Single-Cylinder Hydraulic Cone Crusher; protection process is as follows: when in Single-Cylinder Hydraulic Cone Crusher, enter can not be broken metallic foreign body time in hydraulic cylinder pressure increase in main motor operating current synchronously increase; metallic foreign body moves down gradually; when pressure in oil cylinder higher than accumulator set unlatching pressure time hydraulic oil enter accumulator cone gap start increase, motor operating current further increases.If metallic foreign body is less, protection system for motor is not also made a response and is just discharged from discharge gate, and now in oil cylinder, pressure drop low pressure oil flows back to the recovery of oil cylinder discharge gate gap normally, and motor operating current also recovers normally, and it is normal that crushing operation recovers.But, if metallic foreign body is larger, also not arriving discharge gate, protection system for motor moves, and Single-Cylinder Hydraulic Cone Crusher is out of service, thereby guarantees the device security of Single-Cylinder Hydraulic Cone Crusher.
As seen from the above analysis: although the upper electrical apparatus control system in surface is protected equipment in the time that metallic foreign body is larger, can find out that from the actual examination of equipment operation this kind of protection scheme still exists three critical defects:
1. metallic foreign body cannot take out, because the powerful active force now being produced by card foreign matter cannot move the movable cone of Single-Cylinder Hydraulic Cone Crusher, scene can only lean on oxyacetylene gas cutting to take out by card foreign matter.
2. the powerful active force producing due to metallic foreign body shortens the life-span of the movable cone balance staff of Single-Cylinder Hydraulic Cone Crusher greatly.
3. guard time is long.
Utility model content
For this reason, this novel technical problem to be solved is because metallic foreign body is larger, causes metallic foreign body to take out and to the hurtful problem of movable cone balance staff.Thereby a kind of novel hydraulic control device for Single-Cylinder Hydraulic Cone Crusher is proposed.
For solving the problems of the technologies described above, the hydraulic control device for Single-Cylinder Hydraulic Cone Crusher of this novel proposition is made up of sensor-based system, hydraulic system and electric control system.For a hydraulic control device for Single-Cylinder Hydraulic Cone Crusher, comprise sensor-based system, hydraulic system and electric control system, it is characterized in that: described sensor-based system comprises Hall current sensor, pressure transmitter and magnetostrictive displacement sensor, described hydraulic system comprises check valve 6, electric-control stop valve 11, small flow high pressure gear pump 7, high-pressure rubber pipe 5 and part auxiliary, described small flow high pressure gear pump 7 is divided into two-way after hydraulic oil is boosted after check valve 6, the first via directly enters towards high-pressure rubber pipe 5, the second tunnels of Single-Cylinder Hydraulic Cone Crusher bottom oil cylinder and directly enters electric-control stop valve 11, described electric control system comprises electronic control part and electric power control section, and described electronic control part further comprises regulating resistance R1-R6, comparator U1-U6, triode Q1-Q3, programmable gate circuit U 7-U10, photoelectrical coupler U11-U13, current-limiting resistance R7-R12 and dc source, described electric power control section is DT1-DT3, the electromagnet that DT1 is electric-control stop valve, and DT2 is the contactor coil of controlling high-pressure gear pump motor, DT3 is the relay coil of controlling main motor, regulating resistance R1-R6 is connected with comparator U1-U6 respectively, Hall current sensor is connected with the input U1 of comparator U1, pressure transmitter is connected with the input of comparator U2, magnetostrictive displacement sensor is connected with the input of comparator U3-U6, the output of comparator U1-U2 is connected with first input end and second input of programmable gate circuit U 7 respectively, the output of the output of programmable gate circuit U 7 and comparator U3 is connected with first input end and second input of programmable gate circuit U 8 respectively, the output of programmable gate circuit U 8 is connected with one end of current-limiting resistance R7, the other end of current-limiting resistance R7 is connected with the base stage of triode Q1, the colelctor electrode of triode Q1 is connected with one end of current-limiting resistance R8, the other end of current-limiting resistance R8 is connected with power supply, the emitter stage of triode Q1 is connected with the light-emitting diodes pipe end of photoelectrical coupler U11, phototriode one end of photoelectrical coupler U11 is connected with DT1, the output of programmable gate circuit U 8 and comparator U4, the output of U5 is connected with the second input with the first input end of programmable gate circuit U 9 respectively, the output of programmable gate circuit U 9 is connected with one end of current-limiting resistance R9, the other end of current-limiting resistance R9 is connected with the base stage of triode Q2, the colelctor electrode of triode Q2 is connected with one end of current-limiting resistance R10, the other end of current-limiting resistance R10 is connected with power supply, the emitter stage of triode Q2 is connected with the light-emitting diodes pipe end of photoelectrical coupler U12, phototriode one end of photoelectrical coupler U12 is connected with DT2, the output of the output of programmable gate circuit U 7 and comparator U6 is connected with the second input with the first input end of programmable gate circuit U 10 respectively, the output of programmable gate circuit U 10 is connected with one end of current-limiting resistance R11, the other end of current-limiting resistance R12 is connected with the base stage of triode Q3, the colelctor electrode of triode Q3 is connected with one end of current-limiting resistance R12, the other end of current-limiting resistance R12 is connected with power supply, the emitter stage of triode Q3 is connected with the light-emitting diodes pipe end of photoelectrical coupler U13, phototriode one end of photoelectrical coupler U13 is connected with DT3.
Pressure transmitter detects the pressure of high-pressure rubber pipe arrival end, and magnetostrictive displacement sensor is installed at oil cylinder place, Single-Cylinder Hydraulic Cone Crusher bottom.The unlatching of electric-control stop valve is subject to described Hall current sensor, pressure transmitter, the control of magnetostrictive displacement sensor.
According to the hydraulic control device for Single-Cylinder Hydraulic Cone Crusher of this novel proposition, in the time having metallic foreign body to enter Single-Cylinder Hydraulic Cone Crusher, electromagnet cut off valve meets with a response in time, make oil cylinder be communicated with cone gap with fuel tank and increase, and finally exited by discharge gate, after this because pressure in hydraulic system or motor operating current are less than settings, electromagnet cut off valve resets, oil pump starts to the hydraulic oil of replenish lost in system, and initial value is recovered in discharge gate gap, and oil pump stops repairing.It is all smaller that main frame is subject to the active force of metallic foreign body from start to finish, thereby protected host is without prejudice.And can not interrupt the operation of Single-Cylinder Hydraulic Cone Crusher.
This control device is simple and reliable for structure, nothing is leaked, and anti-electromagnetic interference capability is applicable to by force moving under complex environment, easy to operate directly perceived.To operating personnel without specific (special) requirements, can skilled operation without any training.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the hydraulic control system schematic diagram of a kind of hydraulic control device for Single-Cylinder Hydraulic Cone Crusher of an embodiment of the utility model.
Fig. 2 is the electronic control system schematic diagram of a kind of hydraulic control device for Single-Cylinder Hydraulic Cone Crusher of an embodiment of the utility model.
In figure, Reference numeral is expressed as: 3-main motor; 4-oil cylinder; 5-high-pressure rubber pipe; 6-check valve; 7-small flow high pressure gear pump; 8-Oil pump electrical machinery; 9-oil passage filter; 10-fuel tank; 11-electric-control stop valve; 12-pressure transmitter; 13-magnetostrictive displacement sensor; 14-cone.
The specific embodiment
Below in conjunction with Fig. 1 and Fig. 2, the specific embodiment is described further.
According to one embodiment of present invention, comprise sensor-based system, hydraulic system and electric control system for the hydraulic control device of Single-Cylinder Hydraulic Cone Crusher.Hydraulic system comprises 6 one, check valve, one 11 of electric-control stop valve, 7 one of small flow high pressure gear pumps, 5 one of high-pressure rubber pipes, and the part auxiliary such as oil filter 9 fuel tanks 10.Described sensor-based system comprises one of Hall current sensor, 12 1 of pressure transmitters, 13 1 of magnetostrictive displacement sensors.Described electric control system is made up of electronic control part and electric power control section, and described electronic control part comprises the formations such as regulator potentiometer R1-R6, comparator U1-U6, triode Q1-Q3, journey logic gates U7-U10, photoelectrical coupler U11-U13, current-limiting resistance R7-R12 and some other electronic component and dc source.Described electric power control section is the formation such as various breakers, contactor including DT1-DT3.DT1 is the electromagnet of electric-control stop valve, and DT2 is the contactor coil of controlling high-pressure gear pump motor, and DT3 is the relay coil of controlling main motor.Regulating resistance R1-R6 is connected with comparator U1-U6 respectively, Hall current sensor is connected with the input U1 of comparator U1, pressure transmitter is connected with the input of comparator U2, magnetostrictive displacement sensor is connected with the input of comparator U3-U6, the output of comparator U1-U2 is connected with the input of programmable gate circuit U 7, the output of the output of programmable gate circuit U 7 and comparator U3 is connected with the input of programmable gate circuit U 8, the output of programmable gate circuit U 8 is connected with the base stage of triode Q1 through current-limiting resistance R7, the colelctor electrode of triode Q1 is connected with power supply by current-limiting resistance R8, the emitter stage of triode Q1 is connected with the light-emitting diodes pipe end of photoelectrical coupler U11, phototriode one end of photoelectrical coupler U11 is connected with DT1, the output of programmable gate circuit U 8 is connected with the input of programmable gate circuit U 9 with the output of comparator U4, U5, the output of programmable gate circuit U 9 is connected with the base stage of triode Q2 through current-limiting resistance R9, the colelctor electrode of triode Q2 is connected with power supply by current-limiting resistance R10, the emitter stage of triode Q2 is connected with the light-emitting diodes pipe end of photoelectrical coupler U12, and phototriode one end of photoelectrical coupler U12 is connected with DT2, the output of the output of programmable gate circuit U 7 and comparator U6 is connected with the input of programmable gate circuit U 10, the output of programmable gate circuit U 10 is connected with the base stage of triode Q3 through current-limiting resistance R11, the colelctor electrode of triode Q3 is connected with power supply by current-limiting resistance R12, the emitter stage of triode Q3 is connected with the light-emitting diodes pipe end of photoelectrical coupler U13, and phototriode one end of photoelectrical coupler U13 is connected with DT3.
Pressure oil after small flow high pressure gear pump 7 boosts is divided into two-way after check valve 6, and the first via directly enters towards high-pressure rubber pipe 5, the second tunnels of Single-Cylinder Hydraulic Cone Crusher bottom oil cylinder and directly enters electric-control stop valve 11.Pressure transmitter 12 is also obtained thus to the collection of oil pressure, and magnetostrictive displacement sensor 13 is equipped with at oil cylinder place, Single-Cylinder Hydraulic Cone Crusher bottom.
Electric-control stop valve 11(or DT1) action be directly subject to the comparative result control of U1-U3, when the electric current of main motor 3, pressure or the magnetostrictive displacement sensor 13(cone gap lower limit of pressure transmitter 12) in any one exceed and set electric-control stop valve 11 when numerical value and move, cause cone gap to increase.
Small flow high pressure gear pump 7(or DT2) running be subject to three parameter controls:
(1). in the time that detecting that cone stroke approaches range, forbids magnetostrictive displacement sensor 13 Oil pump electrical machinery operation.Be range control.
(2). in the time of main motor 3 overcurrents or pressure overvoltage, forbid Oil pump electrical machinery operation.
(3). magnetostrictive displacement sensor 13 detects the upper in limited time oil pump operation of cone gap in setting.To guarantee that the working clearance is in desired location.
Main motor 3(or DT3) operation be subject in this case stroke lower limit of magnetostrictive displacement sensor 13() and main motor electric current or pressure transmitter 12 co-controllings.
In the time having metallic foreign body to enter Single-Cylinder Hydraulic Cone Crusher, electromagnet cut off valve 11 obtains corresponding in time, making oil cylinder 4 be communicated with cone 14 gaps with fuel tank 10 increases, and finally exited by discharge gate, after this because pressure in hydraulic system or motor operating current are less than settings, electromagnet cut off valve resets, and small flow high pressure gear pump 7 starts to the hydraulic oil of replenish lost in system, initial value is recovered in discharge gate gap, and small flow high pressure gear pump 7 stops repairing.It is all smaller that main frame is subject to the active force of metallic foreign body from start to finish, thereby protected host is without prejudice.And can not interrupt the operation of Single-Cylinder Hydraulic Cone Crusher.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (3)
1. for a hydraulic control device for Single-Cylinder Hydraulic Cone Crusher, comprise sensor-based system, hydraulic system and electric control system, it is characterized in that: described sensor-based system comprises Hall current sensor, pressure transmitter and magnetostrictive displacement sensor, described hydraulic system comprises check valve (6), electric-control stop valve (11), small flow high pressure gear pump (7), high-pressure rubber pipe (5) and part auxiliary, after boosting hydraulic oil, described small flow high pressure gear pump (7) is divided into two-way after check valve (6), the first via directly enters towards the high-pressure rubber pipe (5) of Single-Cylinder Hydraulic Cone Crusher bottom oil cylinder, and the second tunnel directly enters electric-control stop valve (11), described electric control system comprises electronic control part and electric power control section, and described electronic control part further comprises regulating resistance R1-R6, comparator U1-U6, triode Q1-Q3, programmable gate circuit U 7-U10, photoelectrical coupler U11-U13, current-limiting resistance R7-R12 and dc source, described electric power control section is DT1-DT3, the electromagnet that DT1 is electric-control stop valve, and DT2 is the contactor coil of controlling high-pressure gear pump motor, DT3 is the relay coil of controlling main motor, regulating resistance R1-R6 is connected with comparator U1-U6 respectively, Hall current sensor is connected with the input U1 of comparator U1, pressure transmitter is connected with the input of comparator U2, magnetostrictive displacement sensor is connected with the input of comparator U3-U6, the output of comparator U1-U2 is connected with first input end and second input of programmable gate circuit U 7 respectively, the output of the output of programmable gate circuit U 7 and comparator U3 is connected with first input end and second input of programmable gate circuit U 8 respectively, the output of programmable gate circuit U 8 is connected with one end of current-limiting resistance R7, the other end of current-limiting resistance R7 is connected with the base stage of triode Q1, the colelctor electrode of triode Q1 is connected with one end of current-limiting resistance R8, the other end of current-limiting resistance R8 is connected with power supply, the emitter stage of triode Q1 is connected with the light-emitting diodes pipe end of photoelectrical coupler U11, phototriode one end of photoelectrical coupler U11 is connected with DT1, the output of programmable gate circuit U 8 and comparator U4, the output of U5 is connected with the second input with the first input end of programmable gate circuit U 9 respectively, the output of programmable gate circuit U 9 is connected with one end of current-limiting resistance R9, the other end of current-limiting resistance R9 is connected with the base stage of triode Q2, the colelctor electrode of triode Q2 is connected with one end of current-limiting resistance R10, the other end of current-limiting resistance R10 is connected with power supply, the emitter stage of triode Q2 is connected with the light-emitting diodes pipe end of photoelectrical coupler U12, phototriode one end of photoelectrical coupler U12 is connected with DT2, the output of the output of programmable gate circuit U 7 and comparator U6 is connected with the second input with the first input end of programmable gate circuit U 10 respectively, the output of programmable gate circuit U 10 is connected with one end of current-limiting resistance R11, the other end of current-limiting resistance R12 is connected with the base stage of triode Q3, the colelctor electrode of triode Q3 is connected with one end of current-limiting resistance R12, the other end of current-limiting resistance R12 is connected with power supply, the emitter stage of triode Q3 is connected with the light-emitting diodes pipe end of photoelectrical coupler U13, phototriode one end of photoelectrical coupler U13 is connected with DT3.
2. the hydraulic control device for Single-Cylinder Hydraulic Cone Crusher according to claim 1, is characterized in that, pressure transmitter (12) is arranged on high-pressure rubber pipe arrival end.
3. the hydraulic control device for Single-Cylinder Hydraulic Cone Crusher according to claim 1 and 2, described magnetostrictive displacement sensor (13) is arranged on oil cylinder place, Single-Cylinder Hydraulic Cone Crusher bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780857.0U CN203598855U (en) | 2013-12-03 | 2013-12-03 | Hydraulic control device for single-cylinder hydrocone crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780857.0U CN203598855U (en) | 2013-12-03 | 2013-12-03 | Hydraulic control device for single-cylinder hydrocone crusher |
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| CN203598855U true CN203598855U (en) | 2014-05-21 |
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| CN201320780857.0U Expired - Fee Related CN203598855U (en) | 2013-12-03 | 2013-12-03 | Hydraulic control device for single-cylinder hydrocone crusher |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597408A (en) * | 2017-10-31 | 2018-01-19 | 徐工集团工程机械有限公司 | Cone crusher discharge gate control system, method and cone crusher |
| CN109395837A (en) * | 2018-09-04 | 2019-03-01 | 北京慧峰仁和科技股份有限公司 | A kind of medium-speed pulverizer mill fluidizer and its application method |
| CN113510001A (en) * | 2021-05-21 | 2021-10-19 | 徐州徐工矿业机械有限公司 | Method for accurately adjusting discharge port of crusher |
| CN117399154A (en) * | 2023-12-07 | 2024-01-16 | 石家庄市海辉机械有限公司 | Remote monitoring device for lubricating system of single-cylinder crusher |
-
2013
- 2013-12-03 CN CN201320780857.0U patent/CN203598855U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597408A (en) * | 2017-10-31 | 2018-01-19 | 徐工集团工程机械有限公司 | Cone crusher discharge gate control system, method and cone crusher |
| CN109395837A (en) * | 2018-09-04 | 2019-03-01 | 北京慧峰仁和科技股份有限公司 | A kind of medium-speed pulverizer mill fluidizer and its application method |
| CN113510001A (en) * | 2021-05-21 | 2021-10-19 | 徐州徐工矿业机械有限公司 | Method for accurately adjusting discharge port of crusher |
| CN113510001B (en) * | 2021-05-21 | 2022-06-10 | 徐州徐工矿业机械有限公司 | Method for accurately adjusting discharge port of crusher |
| CN117399154A (en) * | 2023-12-07 | 2024-01-16 | 石家庄市海辉机械有限公司 | Remote monitoring device for lubricating system of single-cylinder crusher |
| CN117399154B (en) * | 2023-12-07 | 2024-04-16 | 石家庄市海辉机械有限公司 | Remote monitoring device for lubricating system of single-cylinder crusher |
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| C14 | Grant of patent or utility model | ||
| 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: 20140521 Termination date: 20161203 |