CN116045034A - Mining machinery oil circuit control hydraulic valve - Google Patents
Mining machinery oil circuit control hydraulic valve Download PDFInfo
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- CN116045034A CN116045034A CN202310264529.3A CN202310264529A CN116045034A CN 116045034 A CN116045034 A CN 116045034A CN 202310264529 A CN202310264529 A CN 202310264529A CN 116045034 A CN116045034 A CN 116045034A
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- box
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- rod
- hydraulic valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/207—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with two handles or actuating mechanisms at opposite sides of the housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
- F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0033—Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a mining machinery oil way control hydraulic valve, which belongs to the field of hydraulic valves and comprises a shell, wherein a cavity is formed in the shell, an oil inlet pipe is fixedly connected to the upper end of the shell, a first oil outlet pipe and a second oil outlet pipe are fixedly connected to the lower end of the shell, the oil inlet pipe, the first oil outlet pipe and the second oil outlet pipe are respectively communicated with the cavity, a first valve core is arranged in the cavity, a first valve rod is fixedly connected to the inner portion of the first valve core in a penetrating manner, the side surface of the first valve rod is in sliding connection with the shell, a first spring is sleeved on the side surface of the first valve rod close to the left end, and a first permanent magnet is fixedly connected to the left end of the first valve rod. The hydraulic valve can be normally operated by the second valve core in the standby mechanism and the first valve core in cooperation when the first valve core is blocked by the movement caused by the influence of impurities in the shell, and the working time of the hydraulic valve is prolonged.
Description
Technical Field
The invention relates to the field of hydraulic valves, in particular to a hydraulic valve for controlling an oil way of mining machinery.
Background
The mining of the mine adopts mechanical equipment, the working of the mechanical equipment is generally controlled by oil pressure, the control of an oil way is generally controlled by an electromagnetic hydraulic valve, and the electromagnetic hydraulic valve has the advantages of simple installation, convenient maintenance and low price, so that an electromagnetic valve plays an important role in an electrohydraulic control system.
However, in contrast to existing solenoid hydraulic valves, the following disadvantages are found:
1. after the hydraulic oil is used for a period of time, the viscosity of the oil can be increased, impurities in the oil can adhere to the valve core and the inner wall of the electromagnetic hydraulic valve, so that the valve core inside the electromagnetic hydraulic valve is difficult to push when the oil path is controlled, the oil pressure in the oil path can not be increased all the time, and equipment for controlling the oil path can not work when serious.
2. In actual life, mechanical equipment cannot work normally only because of damage of the electromagnetic hydraulic valve, workers need to check a control system of the equipment one by one, and finally the problem that the electromagnetic hydraulic valve is damaged is found, so that the overhaul time of the workers is prolonged, and the working efficiency is influenced.
3. The coil inside the electromagnetic hydraulic valve can generate heat when working for a long time, if the coil can not timely dissipate heat, the coil is easy to damage because the temperature is continuously too high, so that the electromagnetic hydraulic valve can not be used.
For this purpose, an oil passage control hydraulic valve for mining machinery is proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the mining machinery oil way control hydraulic valve, which can realize that when the first valve core is blocked by movement caused by the influence of impurities in the shell, the second valve core in the standby mechanism can move and is matched with the first valve core to ensure the normal operation of the hydraulic valve, and the working time of the hydraulic valve is prolonged.
In order to solve the problems, the invention adopts the following technical scheme.
The mining machinery oil way control hydraulic valve comprises a shell, wherein a cavity is formed in the shell, an oil inlet pipe is fixedly connected to the upper end of the shell, a first oil outlet pipe and a second oil outlet pipe are fixedly connected to the lower end of the shell, the oil inlet pipe, the first oil outlet pipe and the second oil outlet pipe are respectively communicated with the cavity, a first valve core is arranged in the cavity, a first valve rod is fixedly connected to the inside of the first valve core in a penetrating mode, the side surface of the first valve rod is in sliding connection with the shell, a first spring is sleeved on the position, close to the left end, of the side surface of the first valve rod, a first permanent magnet is fixedly connected to the left end of the first valve rod, and a first iron core is arranged at the left end of the first permanent magnet in a sleeved mode, and a first coil is sleeved on the outer circle surface of the first iron core;
the standby mechanism is arranged on the right side of the shell and close to the lower end, and when the movement of the first valve core is blocked, the second valve core in the standby mechanism can move and is matched with the first valve core to ensure that the hydraulic valve works normally;
the alarm mechanism is arranged in the standby mechanism and used for giving an alarm when the standby mechanism is started to remind workers.
Further, the right-hand member fixedly connected with first conducting block of first valve rod, the right-hand member of cavity is seted up flutedly, the second conducting block is all installed to the upper and lower both ends of recess, the right side of casing is close to the lower extreme position and is provided with the second case, the right-hand member fixedly connected with second valve rod of second case, both side surfaces of second valve rod and second valve rod slide with the casing and set up, the side surface of second valve rod is close to the right-hand member position and cup joints the second spring, the right-hand member fixedly connected with second permanent magnetism piece of second valve rod, the right side of second permanent magnetism piece is provided with the second iron core, the side surface of second iron core cup joints the second coil, the top of second coil is provided with the controller, first conducting block and controller electric connection.
Further, the surface fixedly connected with first electromagnetism box of first coil, the inner wall and the first iron core fixed connection of first electromagnetism box, the surface fixedly connected with second electromagnetism box of second coil, the inner wall and the second iron core fixed connection of second electromagnetism box, the one end fixedly connected with annular plate of first electromagnetism box and second electromagnetism box, the external disc of annular plate is offered the screw thread to with casing screw thread fixed connection.
Further, the right-hand member of second iron core is provided with miniature permanent magnetism piece, the right side fixedly connected with shell fragment of miniature permanent magnetism piece, the shell fragment adopts conductive material to make and forms, the upper end of shell fragment and the inner wall fixed connection of second electromagnetism box, the right side of shell fragment is provided with the third conductive block, the inner wall fixed connection of third conductive block and second electromagnetism box, the side surface fixedly connected with bee calling organ of second electromagnetism box, both are with bee calling organ electric connection of shell fragment, third conductive block.
Further, the fixed slot has been seted up to the lower surface of miniature permanent magnetism block, the below of miniature permanent magnetism block is provided with the control lever, the control lever slides and runs through the second electromagnetic box and extend to outside and fixedly connected with atress piece, the side surface round joint of control lever has the third spring, the side surface of control lever is located the top position fixedly connected with of third spring and blocks the ring.
Further, a color development mark is printed on the side surface of the control rod near the lower end.
Further, the outer circular surface of the first electromagnetic box is provided with uniformly distributed heat dissipation holes.
Further, the side surface of the first electromagnetic box is fixedly connected with a filter screen at the position of the radiating hole.
Further, the left end fixedly connected with fixed box of first electromagnetism box, fixed box and first electromagnetism box all adopt the heat conduction material preparation to form, the inside of fixed box rotates and is connected with the pivot, the side surface fixedly connected with supporting shoe of pivot, one side surface fixedly connected with memory alloy spring of supporting shoe, the one end and the inner wall fixedly connected with of fixed box of memory alloy spring, the right-hand member of pivot runs through fixed box and fixedly connected with bracing piece, the one end fixedly connected with of bracing piece sweeps the pole, sweep the adjacent face fixedly connected with brush hair of pole and first electromagnetism box, the one end that sweeps the pole was kept away from to the brush hair supports on the filter screen.
Further, the lower surface of the controller is fixedly connected with the side surface of the second electromagnetic box.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, when the first valve core is affected by impurities in the shell to cause movement blockage, the second valve core in the standby mechanism can move and is matched with the first valve core to ensure that the hydraulic valve works normally, and the working time of the hydraulic valve is prolonged.
(2) This scheme is through rotating first electromagnetic box and second electromagnetic box, takes off first electromagnetic box and second electromagnetic box and inside coil and iron core, and the automatically controlled part of hydrovalve is dismantled, can soak casing and inside part in the washing liquid and clear up this moment, conveniently clear up, has avoided automatically controlled part to contact the washing liquid and has caused impaired problem.
(3) After the standby mechanism is started, the buzzer gives an alarm, so that the working personnel is warned that the first valve core inside the hydraulic valve cannot work, the hydraulic valve needs to be maintained in time, meanwhile, the situation that the working personnel need to check an oil way is avoided, and the maintenance time is shortened.
(4) After the heat dissipation of the first coil is finished, the memory alloy spring can shrink to drive the supporting block to reversely move, meanwhile, the rotating shaft, the supporting block and the sweeping rod can reversely rotate, the brush hair on the sweeping rod can clean the surface of the filter screen, the filter screen is prevented from being blocked, the heat dissipation effect of the heat dissipation hole is guaranteed, and accordingly the working time of the first coil is prolonged.
Drawings
FIG. 1 is an overall exterior view of the present invention;
FIG. 2 is a side elevational view of the overall appearance of the present invention;
FIG. 3 is an overall cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the point A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the point B of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of the point C of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged view of the point D of FIG. 2 in accordance with the present invention;
fig. 8 is an external view of the first electromagnetic box of the present invention;
FIG. 9 is a perspective view of the support bar and the sweep bar of the present invention;
fig. 10 is an enlarged view of point E of fig. 9 in accordance with the present invention.
The reference numerals in the figures illustrate:
1. a housing; 2. an oil inlet pipe; 3. a first flowline; 4. a second oil outlet pipe; 5. a first valve stem; 6. a first valve core; 7. a first spring; 8. a first permanent magnet; 9. a first iron core; 10. a first coil; 11. a first conductive block; 12. a groove; 13. a second conductive block; 14. a controller; 15. a second valve core; 16. a second valve stem; 17. a second spring; 18. the second permanent magnet block; 19. a second coil; 20. a second iron core; 21. a spring plate; 22. a third conductive block; 23. miniature permanent magnet blocks; 24. a first electromagnetic box; 25. a second electromagnetic box; 26. a fixing groove; 27. a control lever; 28. a blocking ring; 29. a third spring; 30. a stress piece; 31. displaying color marks; 32. a buzzer; 33. an annular plate; 34. a heat radiation hole; 35. a filter screen; 36. a fixed box; 37. a rotating shaft; 38. a support rod; 39. a sweep bar; 40. brushing; 41. a support block; 42. a memory alloy spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 4, a hydraulic valve for controlling an oil path of mining machinery, the hydraulic valve has a length (L) of 18cm, a width (W) of 12cm, and a height (H) of 15cm, and rated pressure of 35MPa, and comprises a housing 1, wherein a cavity is formed in the housing 1, an oil inlet pipe 2 is fixedly connected to an upper end of the housing 1, a first oil outlet pipe 3 and a second oil outlet pipe 4 are fixedly connected to a lower end of the housing 1, the oil inlet pipe 2, the first oil outlet pipe 3, and the second oil outlet pipe 4 are respectively communicated with the cavity, a first valve core 6 is disposed in the cavity, the hydraulic valve initially advances from the oil inlet pipe 2, the first oil outlet pipe 3 is blocked by the first valve core 6, oil is discharged from the second oil outlet pipe 4, a first valve rod 5 is fixedly connected through the inside of the first valve core 6, a side surface of the first valve rod 5 is slidably connected to the housing 1, a first spring 7 is sleeved on a position of the side surface of the first valve rod 5 near the left end, the left end of the first valve rod 5 is fixedly connected with a first permanent magnet block 8, the left end of the first permanent magnet block 8 is provided with a first iron core 9, the outer circular surface of the first iron core 9 is sleeved with a first coil 10, when an oil way needs to be controlled to enable the first oil outlet pipe 3 to be opened and the second oil outlet pipe 4 to be closed, the first coil 10 is electrified to enable the first iron core 9 to generate magnetism, the magnetic pole at the right end of the first iron core 9 is the same as the magnetic pole at the left end of the first permanent magnet block 8, the magnetic repulsive force of the first iron core 9 pushes the first permanent magnet block 8 to move rightwards, the first permanent magnet block 8 can squeeze a first spring 7, meanwhile pushes the first valve rod 5 to move rightwards, the first valve rod 5 can drive the first valve core 6 to move together when moving rightwards, and finally the first valve core 6 opens the first oil outlet pipe 3 to close the second oil outlet pipe 4, and control of the hydraulic valve is realized;
the standby mechanism is arranged on the right side of the shell 1 and close to the lower end, and when the first valve core 6 is influenced by impurities in the shell 1, the second valve core 15 in the standby mechanism moves and is matched with the first valve core 6 to ensure that the hydraulic valve works normally when the movement is blocked;
the alarm mechanism is arranged in the standby mechanism, and gives an alarm when the standby mechanism is started to remind workers of the problem in the hydraulic valve, and maintenance is needed.
As shown in fig. 3 to 5, when impurities in the electromagnetic hydraulic valve are more, the first valve core 6 is difficult to push to the right end of the cavity, so that the first oil outlet pipe 3 is opened, the second oil outlet pipe 4 cannot be completely closed, the oil pressure in the first oil outlet pipe 3 cannot be always increased, and the electromagnetic hydraulic valve cannot normally work when serious, the right end of the first valve rod 5 is fixedly connected with the first conductive block 11, the right end of the cavity is provided with the groove 12, the upper end and the lower end of the groove 12 are both provided with the second conductive block 13, the right side of the shell 1 is provided with the second valve core 15 close to the lower end, the right end of the second valve core 15 is fixedly connected with the second valve rod 16, the side surfaces of the second valve core 15 and the second valve rod 16 are both slidably arranged with the shell 1, the side surface of the second valve rod 16 is sleeved with the second spring 17 close to the right end, the right end of the second valve rod 16 is fixedly connected with the second permanent magnet 18, the right side of the second permanent magnet 18 is provided with the second iron core 20, the side surface of the second iron core 20 is sleeved with the second coil 19, the upper side of the second coil 19 is provided with the second coil 19, and the first controller 14 is electrically connected with the first controller 14.
By adopting the technical scheme, when the first valve core 6 works normally, the first valve rod 5 enters the groove 12, and finally the first conductive block 11 is contacted with the second conductive block 13, the circuits of the two groups of second conductive blocks 13 are connected, and the controller 14 receives a signal that the circuits of the second conductive blocks 13 are connected; when the first valve core 6 is blocked from moving rightwards, the right end of the first valve rod 5 cannot completely enter the groove 12, so that the first conductive block 11 cannot be contacted with the second conductive block 13, after the first coil 10 is electrified for 0.3 seconds, the controller 14 does not receive a signal for switching on the circuit of the second conductive block 13 all the time, the controller 14 controls the second coil 19 to be electrified, the second iron core 20 generates magnetism, the magnetic pole of the left end of the second iron core 20 is the same as the magnetic pole of the right end of the second permanent magnet block 18, the magnetic repulsive force of the second iron core 20 can push the second permanent magnet block 18 to move leftwards and squeeze the second spring 17, meanwhile, the second valve rod 16 can synchronously move along with the second permanent magnet block 18, and the second valve rod 16 can drive the second valve core 15 to enter an oil path of the second oil outlet pipe 4 to realize closing of the second oil outlet pipe 4, so that the electromagnetic hydraulic valve can normally work, and even if the second valve core 15 is influenced by impurities, the second valve core 15 and the first valve core 6 are mutually matched, so that the oil path becomes a certain labyrinth chamber can not completely close the second oil outlet pipe 4, and the electromagnetic hydraulic valve can well work, and the hydraulic oil can be guaranteed to enter the second oil outlet pipe 4 to a certain degree.
As shown in fig. 3 to 5 and 8, the first electromagnetic box 24 is fixedly connected to the outer surface of the first coil 10, the inner wall of the first electromagnetic box 24 is fixedly connected to the first iron core 9, the second electromagnetic box 25 is fixedly connected to the outer surface of the second coil 19, the inner wall of the second electromagnetic box 25 is fixedly connected to the second iron core 20, one end of the first electromagnetic box 24 and one end of the second electromagnetic box 25 are fixedly connected to the annular plate 33, and the outer circular surface of the annular plate 33 is provided with threads and is fixedly connected with the shell 1 through threads.
Through adopting above-mentioned technical scheme, electromagnetic hydraulic valve is because of the inside impurity of casing 1 causes first case 6 unable normal movement, need wash the inside of casing 1 and the inside part of casing 1, through rotating first electromagnetic box 24 and the rotation of second electromagnetic box 25 drive annular plate 33, take off first electromagnetic box 24 and second electromagnetic box 25 and inside coil and iron core, hydraulic valve's automatically controlled part is dismantled, can soak casing 1 and inside part in the washing liquid at this moment and clear up, conveniently clear up, avoided automatically controlled part to contact the washing liquid and caused impaired problem.
As shown in fig. 1, the right end of the second iron core 20 is provided with a miniature permanent magnet 23, after the standby mechanism is started, the second iron core 20 generates magnetism, the magnetic pole at the right end of the second iron core 20 is the same as the magnetic pole at the left end of the miniature permanent magnet 23, the magnetic repulsion force of the second iron core 20 can push the miniature permanent magnet 23 to move rightwards, the right side of the miniature permanent magnet 23 is fixedly connected with a spring piece 21, the miniature permanent magnet 23 can drive the spring piece 21 to move together when moving, the spring piece 21 is made of conductive materials, the upper end of the spring piece 21 is fixedly connected with the inner wall of the second electromagnetic box 25, the right side of the spring piece 21 is provided with a third conductive block 22, the spring piece 21 moves rightwards and is contacted with the third conductive block 22, the third conductive block 22 is fixedly connected with the inner wall of the second electromagnetic box 25, the side surface of the second electromagnetic box 25 is fixedly connected with a buzzer 32, the spring piece 21 and the third conductive block 22 are electrically connected with the buzzer 32, the circuit of the buzzer 32 is connected, the buzzer 32 gives an alarm, and the first valve core 6 inside the hydraulic valve is warned that the hydraulic valve cannot work, and the hydraulic valve needs maintenance, and the hydraulic valve needs to be repaired, and the maintenance time is also needs to be shortened.
As shown in fig. 5 and 6, a fixed slot 26 is formed in the lower surface of the micro permanent magnet 23, a control rod 27 is arranged below the micro permanent magnet 23, the fixed slot 26 is located right above the control rod 27 when the micro permanent magnet 23 moves rightwards, the control rod 27 extends through the second electromagnetic box 25 to the outside in a sliding manner and is fixedly connected with a stress piece 30, a third spring 29 is wound on the side surface of the control rod 27, the third spring 29 is in a compressed state initially, a blocking ring 28 is fixedly connected to the side surface of the control rod 27 above the third spring 29, the third spring 29 can push the blocking ring 28 to move upwards and drive the control rod 27 to move upwards, the upper end of the control rod 27 can enter the fixed slot 26, the reverse movement of the micro permanent magnet 23 is limited, the fact that the elastic piece 21 and the third conductive piece 22 can be always contacted when the second iron core 20 is nonmagnetic is guaranteed, accordingly, a worker can hear an alarm sent by a hydraulic valve, when the worker needs to close the alarm, the worker only needs to pull the stress piece 30 downwards to push the control rod 27 to leave the fixed slot 22, the buzzer 22 is disconnected, and the alarm circuit 32 is disconnected.
As shown in fig. 7, a color developing mark 31 is printed on the side surface of the control lever 27 near the lower end, the color developing mark 31 moves up into the fixed slot 26, the control lever 27 moves down away from the fixed slot 26 along with the control lever 27, the color developing mark 31 leaks out of the second electromagnetic box 25 along with the control lever 27, and when the circuit of the hydraulic valve is disconnected, whether the buzzer 32 is in an on state can be known by observing the color developing mark 31.
As shown in fig. 2, the lower surface of the controller 14 is fixedly connected with a side surface of the second electromagnetic box 25, and the second electromagnetic box 25 provides a mounting position for the controller 14.
Example 2:
the following technical schemes are added on the basis of the technical scheme of the embodiment 1:
as shown in fig. 4 and 8, when the first coil 10 works for a long time, the temperature of the first coil 10 will rise, the first coil 10 will burn out due to the continuous high temperature, and the outer circumferential surface of the first electromagnetic box 24 is provided with uniformly distributed heat dissipation holes 34, so that the first coil 10 dissipates heat, and the working time of the first coil 10 is prolonged; in the mine working environment, more dust is easy to enter the first electromagnetic box 24 from the radiating holes 34 to influence the work of internal circuit components, and the filter screen 35 is fixedly connected to the side surface of the first electromagnetic box 24 at the position of the radiating holes 34, so that the dust can be prevented from entering the first electromagnetic box 24.
As shown in fig. 8 to 10, the left end of the first electromagnetic box 24 is fixedly connected with a fixing box 36, the fixing box 36 and the first electromagnetic box 24 are both made of heat conducting materials, when the temperature of the first coil 10 is too high, the temperature of the first coil 10 can be transferred to the first electromagnetic box 24, the temperature of the first electromagnetic box 24 can be transferred to the fixing box 36, a rotating shaft 37 is rotatably connected in the fixing box 36, a supporting block 41 is fixedly connected to the side surface of the rotating shaft 37, a memory alloy spring 42 is fixedly connected to the outer surface of one side of the supporting block 41, one end of the memory alloy spring 42 is fixedly connected with the inner wall of the fixing box 36, the temperature of the fixing box 36 can be transferred to the memory alloy spring 42, the memory alloy spring 42 is heated to extend and push the supporting block 41, the supporting block 41 rotates to drive the rotating shaft 37 to rotate, the right end of the rotating shaft 37 penetrates through the fixing box 36 and is fixedly connected with a supporting rod 38, one end of the supporting rod 38 is fixedly connected with a sweeping rod 39, the rotating shaft 37 can drive the supporting rod 38 and the sweeping rod 39 to rotate together when rotating, the adjacent surface of the sweeping rod 39 and the adjacent surface are fixedly connected with bristles 40, one end of the bristles 40 away from the sweeping rod 39 is propped against the filter screen 35, the sweeping rod 39 can drive the bristles 40 to leave the filter screen 35 when rotating, heat dissipation at the radiating holes 34 is ensured, a lot of dust can be accumulated on the surface of the filter screen 35 after a period of time, the fixing box 36 can be cooled after the first coil 10 does not work, the memory alloy spring 42 can shrink to drive the supporting block 41 to move reversely, meanwhile, the rotating shaft 37 can also rotate reversely along with the supporting block 41, at the moment, the supporting rod 38 and the sweeping rod 39 can also rotate reversely, the bristles 40 can clean the surface of the filter screen 35, the filter screen 35 is prevented from being blocked, and the radiating effect of the radiating holes 34 is ensured, thereby extending the operating time of the first coil 10.
The using method comprises the following steps: the hydraulic valve is used for feeding oil from the oil inlet pipe 2 at the beginning, the first oil outlet pipe 3 is blocked by the first valve core 6, the oil is discharged from the second oil outlet pipe 4, when an oil way needs to be controlled to enable the first oil outlet pipe 3 to be opened and the second oil outlet pipe 4 to be closed, the first coil 10 is electrified to enable the first iron core 9 to generate magnetism, the magnetic pole at the right end of the first iron core 9 is the same as the magnetic pole at the left end of the first permanent magnet 8, the magnetic repulsive force of the first iron core 9 pushes the first permanent magnet 8 to move rightwards, the first permanent magnet 8 can squeeze the first spring 7, meanwhile, the first valve rod 5 is pushed to move rightwards, the first valve rod 5 can drive the first valve core 6 to move together when moving rightwards, and finally the first valve core 6 opens the first oil outlet pipe 3 to close the second oil outlet pipe 4, so that the hydraulic valve can control the oil way;
when the first valve core 6 works normally, the first valve rod 5 enters the groove 12, and finally the first conductive block 11 is contacted with the second conductive blocks 13, the circuits of the two groups of second conductive blocks 13 are connected, and the controller 14 receives a signal that the circuits of the second conductive blocks 13 are connected; when the first valve core 6 is blocked from moving rightwards, the right end of the first valve rod 5 cannot completely enter the groove 12, so that the first conductive block 11 cannot be contacted with the second conductive block 13, after the first coil 10 is electrified for 0.3 seconds, the controller 14 does not receive a signal for connecting a circuit of the second conductive block 13 all the time, the controller 14 controls the second coil 19 to be electrified, the second iron core 20 generates magnetism, the magnetic pole at the left end of the second iron core 20 is the same as the magnetic pole at the right end of the second permanent magnet block 18, the magnetic repulsive force of the second iron core 20 can push the second permanent magnet block 18 to move leftwards and squeeze the second spring 17, meanwhile, the second valve rod 16 can synchronously move along with the second permanent magnet block 18, and the second valve rod 16 can drive the second valve core 15 to enter an oil path of the second oil outlet pipe 4 to realize closing of the second oil outlet pipe 4, so that the electromagnetic hydraulic valve can normally work, and even if the second valve core 15 is influenced by impurities and fails to completely close the second oil outlet pipe 4, the second valve core 15 and the first valve core 6 are mutually matched, so that the oil path becomes a labyrinth chamber is blocked, the electromagnetic hydraulic oil can well enter the second oil outlet pipe 4 to a certain extent, and the electromagnetic hydraulic valve can be guaranteed to work well;
when the second iron core 20 generates magnetism, the magnetic repulsive force can push the miniature permanent magnet 23 to move rightwards, the miniature permanent magnet 23 can drive the elastic sheet 21 to move together when moving, and finally the miniature permanent magnet is contacted with the third conductive block 22, the elastic sheet 21 and the third conductive block 22 are electrically connected with the buzzer 32, the circuit of the buzzer 32 is connected, the buzzer 32 gives an alarm, the first valve core 6 inside the hydraulic valve of a worker is warned to be incapable of working, the worker can drive the annular plate 33 to rotate by rotating the first electromagnetic box 24 and the second electromagnetic box 25, the first electromagnetic box 24, the second electromagnetic box 25 and the inner coil and the iron core are taken down, and the electric control part of the hydraulic valve is detached, so that the shell 1 and the inner part can be soaked in cleaning liquid at the moment.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The mining machinery oil circuit control hydraulic valve comprises a shell (1), and is characterized in that: the novel oil pump is characterized in that a cavity is formed in the shell (1), an oil inlet pipe (2) is fixedly connected to the upper end of the shell (1), a first oil outlet pipe (3) and a second oil outlet pipe (4) are fixedly connected to the lower end of the shell (1), the oil inlet pipe (2), the first oil outlet pipe (3) and the second oil outlet pipe (4) are respectively communicated with the cavity, a first valve core (6) is arranged in the cavity, a first valve rod (5) is fixedly connected to the inner portion of the first valve core (6) in a penetrating mode, the side surface of the first valve rod (5) is in sliding connection with the shell (1), a first spring (7) is sleeved at a position, close to the left end, of the side surface of the first valve rod (5), a first permanent magnet block (8) is fixedly connected to the left end of the first valve rod (5), and a first coil (10) is sleeved on the outer circular surface of the first iron core (9);
the standby mechanism is arranged on the right side of the shell (1) and close to the lower end, and when the movement of the first valve core (6) is blocked, the second valve core (15) in the standby mechanism can move and is matched with the first valve core (6) to ensure that the hydraulic valve works normally;
the alarm mechanism is arranged in the standby mechanism and used for giving an alarm when the standby mechanism is started to remind workers.
2. The mining machinery oil passage control hydraulic valve according to claim 1, characterized in that: the right-hand member fixedly connected with first conducting block (11) of first valve rod (5), recess (12) are seted up to the right-hand member of cavity, second conducting block (13) are all installed at the upper and lower both ends of recess (12), the right side of casing (1) is close to lower extreme position and is provided with second case (15), the right-hand member fixedly connected with second valve rod (16) of second case (15), both side surfaces of second case (15), second valve rod (16) all set up with casing (1) slip, the side surface of second valve rod (16) is close to right-hand member position and cup joints second spring (17), the right-hand member fixedly connected with second permanent magnet (18) of second valve rod (16), the right side of second permanent magnet (18) is provided with second iron core (20), the side surface of second iron core (20) cup joints second coil (19), the top of second coil (19) is provided with controller (14), first conducting block (11) and controller (14) electric connection.
3. The mining machinery oil passage control hydraulic valve according to claim 2, characterized in that: the outer surface fixedly connected with first electromagnetism box (24) of first coil (10), the inner wall and the first iron core (9) fixed connection of first electromagnetism box (24), the surface fixedly connected with second electromagnetism box (25) of second coil (19), the inner wall and the second iron core (20) fixed connection of second electromagnetism box (25), the one end fixedly connected with annular plate (33) of first electromagnetism box (24) and second electromagnetism box (25), the external disc of annular plate (33) is seted up the screw thread to with casing (1) screw thread fixed connection.
4. A mining machine oil path control hydraulic valve according to claim 3, wherein: the right-hand member of second iron core (20) is provided with miniature permanent magnetism piece (23), the right side fixedly connected with shell fragment (21) of miniature permanent magnetism piece (23), shell fragment (21) adopt conductive material to make, the upper end of shell fragment (21) and the inner wall fixed connection of second electromagnetism box (25), the right side of shell fragment (21) is provided with third conducting block (22), the inner wall fixed connection of third conducting block (22) and second electromagnetism box (25), the side surface fixedly connected with bee calling organ (32) of second electromagnetism box (25), both are with bee calling organ (32) electric connection of shell fragment (21), third conducting block (22).
5. The mining machine oil passage control hydraulic valve according to claim 4, wherein: the fixed slot (26) has been seted up to the lower surface of miniature permanent magnet (23), the below of miniature permanent magnet (23) is provided with control rod (27), control rod (27) slip runs through second electromagnetic box (25) and extends to outside and fixedly connected with atress piece (30), the side surface round joint of control rod (27) has third spring (29), the side surface of control rod (27) is located the top position fixedly connected with separation ring (28) of third spring (29).
6. The mining machine oil passage control hydraulic valve according to claim 5, wherein: the side surface of the control rod (27) is printed with a color development mark (31) near the lower end.
7. A mining machine oil path control hydraulic valve according to claim 3, wherein: the outer circular surface of the first electromagnetic box (24) is provided with uniformly distributed heat dissipation holes (34).
8. The mining machine oil path control hydraulic valve according to claim 7, wherein: a filter screen (35) is fixedly connected to the side surface of the first electromagnetic box (24) at the position of the heat dissipation hole (34).
9. The mining machine oil path control hydraulic valve according to claim 8, wherein: the novel electromagnetic brush comprises a first electromagnetic box (24), a fixed box (36) is fixedly connected to the left end of the first electromagnetic box (24), the fixed box (36) and the first electromagnetic box (24) are made of heat conducting materials, a rotating shaft (37) is rotatably connected to the inside of the fixed box (36), a supporting block (41) is fixedly connected to the side surface of the rotating shaft (37), a memory alloy spring (42) is fixedly connected to one side outer surface of the supporting block (41), one end of the memory alloy spring (42) is fixedly connected with the inner wall of the fixed box (36), the right end of the rotating shaft (37) penetrates through the fixed box (36) and is fixedly connected with a supporting rod (38), a sweeping rod (39) is fixedly connected to one end of the supporting rod (38), bristles (40) are fixedly connected to adjacent surfaces of the sweeping rod (39) and the first electromagnetic box (24), and one ends of the bristles (40) away from the sweeping rod (39) are propped against a filter screen (35).
10. A mining machine oil path control hydraulic valve according to claim 3, wherein: the lower surface of the controller (14) is fixedly connected with the side surface of the second electromagnetic box (25).
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| CN202310264529.3A CN116045034B (en) | 2023-03-20 | 2023-03-20 | Mining machinery oil circuit control hydraulic valve |
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| CN202310264529.3A CN116045034B (en) | 2023-03-20 | 2023-03-20 | Mining machinery oil circuit control hydraulic valve |
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| CN116045034B (en) | 2023-06-16 |
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