CN109578298B - Hydraulic control start-stop full-automatic anti-collision fan motor - Google Patents
Hydraulic control start-stop full-automatic anti-collision fan motor Download PDFInfo
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- CN109578298B CN109578298B CN201910061655.2A CN201910061655A CN109578298B CN 109578298 B CN109578298 B CN 109578298B CN 201910061655 A CN201910061655 A CN 201910061655A CN 109578298 B CN109578298 B CN 109578298B
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- 239000003921 oil Substances 0.000 claims abstract description 131
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims description 11
- 230000003187 abdominal effect Effects 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 239000010705 motor oil Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/08—Distributing valve-gear peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/26—Reciprocating-piston liquid engines adapted for special use or combined with apparatus driven thereby
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic control start-stop full-automatic anti-collision fan motor, which comprises a liquid motor, a bridge housing, an original hydraulic oil tank and a control valve group, wherein the liquid motor is in sealing connection with the bridge housing through a first O-shaped ring and is fixedly connected with the bridge housing through a connecting bolt, a leakage-proof lower-row centrifugal plate, a first oil seal, a second oil seal, a thrust bearing, a lining plate, a fixed plate, a circular groove, an upper taper standard bearing, a central shaft and a lower cylindrical bearing are arranged at the upper end of the central shaft, the lower end of the central shaft is connected with the liquid motor, the upper end of the central shaft is connected with a fan, the lining plate, the fixed plate and the thrust bearing are arranged between the upper taper bearing and the lower cylindrical bearing, the control valve group comprises an electromagnetic valve, a slide valve, a sphere, a damping hole, an E-port through hole, a first through hole, a cut-off hole and a second through hole, an oil inlet channel is connected with a three-way control valve through a three-way, the hydraulic control valve is communicated with a motor oil return channel, full-automatic slow start-stop is realized, the rotational inertia naturally disappears for 10-tens of seconds, and the service life is prolonged.
Description
Technical Field
The invention relates to a fan motor, in particular to a hydraulic control start-stop full-automatic anti-collision fan motor.
Background
The existing domestic and foreign high-power mechanical hydraulic fan motor is partially characterized in that a large fan of 2000 mm and 2500mm is directly arranged on an output shaft of the hydraulic motor, and swing caused by poor dynamic balance occurs until the hydraulic motor is damaged; the gap bridge connector is additionally arranged, but due to the limitation of poor stability of the gap bridge shell and lubrication addition of artificial butter, lubrication cannot be ensured, the gap bridge connector is not suitable for lubrication in a long-term high-operation temperature region, oil at an inlet and an outlet of a motor is free of hole control interception measures and the like, the gap bridge connector is quickly started and stopped for a long time to exceed the original design ideal torque to collide, the oil seal at the upper end of the output shaft of the original fan is subjected to attack of rainwater dust and damage of the oil seal for a long time, the damage and swing of the double-row self-aligning bearing are accelerated due to seepage and leakage, and the liquid motor is damaged, so that hydraulic oil is sprayed over in a large amount and cannot normally perform construction operation; the above structural forms and the grease lubrication mode are not suitable for high-temperature operation, and serious problems are easy to occur. The existing fan motor design still has the defects of negligible defects, long import purchase period and high value, and influences the normal large-scale operation of underground fracturing of the oil field.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the hydraulic control start-stop full-automatic anti-collision fan motor, which can solve the problems that the existing fan motor design still has the trivial defects, long import acquisition period and high value, and influences the normal large-scale operation of underground fracturing of an oil field.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a full-automatic crashproof fan motor of hydraulically controlled start-stop, includes liquid motor, bridge shell, former hydraulic tank, control valves and solenoid valve, liquid motor and bridge shell pass through first O type circle sealing connection, and through connecting bolt fixed connection, the upper portion of bridge shell is including leak protection lower row centrifugal blade, first oil blanket, second oil blanket, thrust bearing, bush, welt, fixed plate, in case spout oil leak circular groove, last tapering standard bearing, center pin and lower cylindrical bearing, first oil blanket and second oil blanket are installed respectively, and pass through second O type circle and third O type circle sealing connection respectively, the fan is connected to the upper end of center pin, one side of bridge shell is equipped with leak protection lower oil drain export, and the opposite side is equipped with oil return back pressure and spouts lubricated import, be equipped with reverse-spout lubricated reflux mouth below the bridge shell bush, welt, fixed plate and thrust bearing set up between last tapering standard bearing and lower cylindrical bearing, control valves is equipped with the damping valve including Kong Youliang governing valve, valve body, spool, spheroid, E, first through-hole, motor, first through-hole and oil inlet, one side is equipped with the damping valve, the other side is equipped with the damping valve.
As a preferable technical scheme of the invention, the fixing plate is fixedly connected with the bridge shell through four M16 bolts.
As a preferable technical scheme of the invention, one side of the bridge housing is provided with an abdominal pressure gauge, and a detection end of the abdominal pressure gauge is communicated with the outside of the bridge housing.
As a preferable technical scheme of the invention, the first oil seal and the second oil seal are fluorine rubber oil seals with high temperature resistance of 250 ℃ and low temperature of-65 ℃.
According to the preferable technical scheme, one side of the control valve bank is connected with the stop valve, the connecting hose and the first three-way pipe fitting are connected to an oil inlet of the liquid motor, the other side of the control valve bank is connected with an oil return port of the liquid motor through the hose, the E port through hole is connected with an original hydraulic oil tank through the hose and the second three-way pipe fitting, the upper part of the second three-way pipe fitting is connected with the oil return port of the liquid motor and the lower part of the second three-way pipe fitting is connected with the original hydraulic oil tank, and the oil return back pressure back-spraying lubrication inlet is connected with the oil return port through the oil return back pressure back-spraying hose.
As a preferable technical scheme of the invention, the oil inlet system of the liquid motor is communicated with the oil return system of the liquid motor for standby through the E-port through hole.
As a preferable technical scheme of the invention, the control valve group can adopt an impact energy or mechanical energy or hydraulic energy three-in-one control valve or a hydraulic pressure difference control valve.
As a preferable technical scheme of the invention, one end of the intercepting hole is provided with an intercepting hole oil quantity regulating valve.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the complicated procedure of forced manual maintenance is reduced, the current situation that the observation pressure (about 0.05 mPa) is displayed safely by the abdominal cavity pressure gauge and is visually lubricated is additionally arranged, the oil seal on the upper surface of the vertical shaft of the fan is ensured to be upwards and outwards, the oil seal is damaged in a cluster too early due to weather and dust, the oil seal is leaked, the concave buckling end surface of the stainless steel centrifugal plate which rotates along with the shaft is additionally arranged, the leaked oil can be thrown to a round groove for gathering in case of long time, the lower row of the hose is connected for displaying and observing, and the oil tank is not polluted even if the oil seal leaks; the centrifugal plate rotates the upper plane rapidly to throw the existing dust, rainwater and other centrifugal materials out, the oil seal is protected from being affected by dust and rainwater, the service life is prolonged, the upper taper standard bearing bears the upward exhaust reverse force of 7 tons of bearing load, the lower cylindrical bearing still floats with the inner sleeve to ensure the inherent clearance to be used, a lining sleeve, a lining plate, a fixing plate and a thrust bearing are additionally arranged between the upper bearing and the lower bearing to prevent the upward micro-strings of the extreme individual situations of the floating inner sleeve from being damaged, the fixing plate and the gap bridge shell are fixed by four M16 bolts, the lining sleeve, the lining plate and the fixing plate realize the application of the design principle of the thrust bearing, the safe and stable operation of the design clearance is ensured, the service life is prolonged, the motor and the gap bridge are sealed by O-shaped rings, and the motor and the gap bridge are prevented from being connected and overflowing.
Drawings
FIG. 1 is a schematic diagram of the subjective structure of the present invention;
FIG. 2 is a schematic diagram of a hydraulic fully automatic control valve set of the hydraulic motor of the present invention with normally open type for start, stop and buffer collision;
FIG. 3 is a schematic diagram of the hydraulic motor start, stop, buffer and collision control triple-head screw rotary closing valve structure of the invention;
wherein: 1. a liquid motor; 2. a gap bridge shell; 4. a taper standard bearing is arranged; 5. a lower cylindrical bearing; 6. a first oil cover; 7. a second oil cover; 11. back-spraying the back-spraying lubrication inlet of the oil return back pressure; 12. a fan; 14. a first O-ring; 16. an oil return back pressure back-spraying hose; 18. an abdominal pressure gauge; 19. leak-proof lower-row centrifugal sheets; 20. in case of oil injection, the oil is accumulated in the lower oil discharge duct; 21. a first oil seal; 22. a second oil seal; 23. a thrust bearing; 24. a second O-ring; 25. a third O-ring; 26. a bushing; 27. a lining plate; 28. a fixing plate; 29. a circular groove; 30. an original hydraulic oil tank; 31. a shutoff Kong Youliang regulator valve; 32. a valve body; 33. a slide valve; 34. a sphere; 35. a damping hole; 36. e port through hole; 37. a first through hole; 38. a cutoff hole; 39. a second through hole; 40. a first tee fitting; 41. a stop valve; 42. a control valve group; 43. an electromagnetic valve; 44. a hose; 53. and a second tee pipe fitting.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1-3, the hydraulic control start-stop full-automatic anti-collision fan motor comprises a liquid motor 1, a gap bridge housing 2, an original hydraulic oil tank 30, a control valve group 42 and an electromagnetic valve 43, wherein the liquid motor 1 and the gap bridge housing 2 are in sealing connection through a first O-shaped ring 14 and are fixedly connected through a connecting bolt 17, the upper part of the gap bridge housing 2 comprises a leak-proof lower centrifugal plate 19, a first oil seal 21, a second oil seal 22, a thrust bearing 23, a bushing 26, a lining plate 27, a fixed plate 28, a leak-proof circular groove 29, an upper taper standard bearing 4, a central shaft 3 and a lower cylindrical bearing 5, the first oil seal 21 and the second oil seal 22 are respectively provided with a first oil seal 6 and a second oil seal 7, and are respectively in sealing connection with a third O-shaped ring 25 through a second O-shaped ring 24, the upper end of the central shaft 3 is connected with a fan 12, one side of the gap bridge housing 2 is provided with a leak-proof lower oil drain outlet 20, the other side is provided with a leak-proof back-pressure back-spray lubrication inlet 11, the lower surface of the gap bridge housing 2 is provided with a back-spray lubrication inlet 10, the bushing 26, the other side is provided with a back-pressure back-spray lubrication inlet 35, the ball valve seat 26, the lower cylindrical bearing 35, the throttle valve seat 35 and the throttle valve seat 35 are respectively arranged between the upper cylindrical bearing 35 and the throttle valve seat 35, the throttle valve seat 35 and the throttle valve seat 35, the throttle valve seat 32, the throttle seat 32, and the throttle valve seat 32.
The fixed plate 28 is fixedly connected with the bridge housing 2 through four M16 bolts, one side of the bridge housing 2 is provided with an abdominal pressure gauge 18, the detection end of the abdominal pressure gauge 18 is arranged outside the bridge housing 2 and communicated, the first oil seal 21 and the second oil seal 22 are high temperature resistant 250 ℃ and low temperature-65 ℃ fluorine rubber oil seals, one side of the control valve group 42 is connected with a stop valve 41, the stop valve 41 is connected with a hose 44 and a second three-way pipe fitting 53 to an oil inlet of the liquid motor 1, the stop valve 41 can manually detect and control whether the two control valves are operated at any time, the stop valve 41 can be closed due to failure of the control valve, an oil inlet and an oil outlet of the liquid motor 1 are thoroughly separated, the continuous operation process is ensured, the stop valve 41 is connected with the hose 44 and the first three-way pipe fitting 40 to the oil inlet of the liquid motor 1, the other side of the control valve group 42 is connected with an oil return port of the liquid motor 1 through the hose 44, the E port through hole 36 is connected with the original hydraulic oil tank 30 through a hose 44 and a second three-way pipe fitting 53, the upper part of the second three-way pipe fitting 53 is connected with the oil return port of the liquid motor 1 and the lower part of the original hydraulic oil tank 30, the back-pressure back-injection lubrication inlet 11 of the oil return is connected with the oil return port through the back-pressure back-injection hose 16 of the oil return, the oil inlet system of the liquid motor 1 is communicated with the oil return system of the liquid motor 1 through the E port through hole 36 for standby, the E port through hole 36 controls the valve 42 to be fully automatically and slowly closed when the electromagnetic valve 43 is opened for oil supply, the first three-way pipe fitting 40 of the hose 44 of the liquid motor 1 is in a negative pressure state when the operation is stopped, the back pressure of the second three-way pipe fitting 53 of the oil return system F causes the control valve 42 to be quickly opened to be changed into a short circuit circulation mode, the natural release of 10 to tens of seconds of rotation inertia is realized without collision stopping, the control valve group 42 can adopt a three-in-one control valve of impact energy, mechanical energy or hydraulic energy or a hydraulic pressure difference control valve. One end of the cutoff hole 38 is provided with a cutoff hole oil quantity adjusting valve 31.
Specific:
a: the hydraulic motor is additionally arranged to start, stop and buffer the normal open type hydraulic full-automatic control valve group 42: when the fan 12 is started, part of high-pressure working oil flows through the three-way pipe fitting 40, the stop valve 41, the split C cavity, the stop hole 38 and the stop Kong Youliang regulating valve 31 and then flows to the normally open valve B cavity and the normally open valve E port through hole 36, and then returns to the original hydraulic oil tank 30 through the oil return pipeline F and the second three-way 53, so that the pressure difference between the left and right of the stop hole 38 is larger than the pressure of the B cavity when the short 3-5 second split pressure relief full-automatic buffer collision process is achieved, and the pressure difference between the left and right of the stop hole 38 is larger than the pressure of the B cavity, so that the oil with larger pressure in the C cavity flows through the first stop hole 37 to push the sphere 34 to move right to be closed to the second stop hole 39, and the A cavity is converted into a dead zone; at this time, the smaller pressure oil at the upper ends of the slide valve 33 and the cavity B returns to the dead zone of the cavity A through the damping hole 35 in 3-5 seconds to cause the main slide valve 33 to slide upwards until the through hole 36 of the opening E is closed, thereby realizing full-speed operation of the set oil volume to the hydraulic motor in full-speed operation, namely realizing full-speed operation of the 3-5 seconds buffer starting process, preventing starting collision from prematurely damaging the related spline precision and swinging forward to the central shaft 3 of the hydraulic motor, causing damage to the inner diameter, the axial overquick abrasion and balance of the liquid Ma Datang, reducing torque power or seriously leaking, the slide valve 33 moves upwards to the through hole 36 of the opening E after collision prevention, and the pressure oil returns to a normal operation pipeline, and the hydraulic fan motor achieves the design full-speed operation; when the fan 12 stops supplying oil to do work, strong inertia force still exists in the fan 12 rotating at a high speed and still rotates, when the electromagnetic valve 43 stops supplying oil at the moment, a high-pressure pipeline is converted from high pressure into negative pressure, so that the cavity C and the first through hole 37 also generate negative pressure at the same time, the cavity C pressure is smaller than the cavity B back pressure, the ball valve 34 automatically sinks and moves backwards, the liquid motor oil return back pressure is 0.1-0.5 mpa pressure and thrust at the top end of the opening E36, the opening E through hole 36 is opened from small to large, the top of the sliding valve 33 is fully stressed and pressurized, the cavity B pressure is larger than the cavity A negative pressure, the self-dropping force of the external sliding valve 33 moves downwards, the cavity A oil is pushed by the second through hole 39 to empty the cavity A, the oil return back pressure flow is automatically returned to the motor oil inlet pipeline, the inertia force of the high-speed rotating fan slowly stops rotating in 5-10 seconds or longer period of time, the original speed is prevented from impacting the connecting part and damaging the liquid motor is eliminated again;
b: the hydraulic motor is additionally arranged to start, stop and buffer the hydraulic control three-head spiral rotary closing valve (full-automatic lead hydraulic control valve) when the solenoid valve 43 for standby is not supplied with oil for standby: the lowest end e of the main valve core a is contacted with the timing bolt f, the main valve core a is in a lower limit g opening position, and c, g and h are communicated. When the solenoid valve 43 to be used is opened: at the same time, the fan motor 1 is supplied with oil at 200L/min, at the same time, the oil supply part of the oil flows through the first tee joint 40, c, g, h and F return tee joint 53 to return to the hydraulic oil tank 30, at the same time, the c-hole pressure oil directly impacts the radius of the four blades b of the main valve core a to be eccentric, left-handed force is generated, part of the oil flows through the oil duct q, the oil quantity adjusting bolt r and the control hole s to slowly enter the closed K cavity, the oil pressure of the K cavity pushes the main valve core a upwards to be combined with the eccentric force of the c-hole impact main valve core, under the action of the three-head right-handed lead d of the main valve core a, the main valve core a is controlled to be moved up to the g port to be closed thoroughly, and the main valve core a is subjected to the full-automatic upward moving shutoff process for 3-5 seconds, so that the full-automatic, controllable slow, no-impact and high-speed normal rotation operation of the liquid motor 12 is prevented from starting impact to seriously damage the liquid motor 1 and the transmission connection part. When the solenoid valve 43 to be used stops supplying oil, the instant: the fan motor is still under high-speed rotation inertia, the return back pressure oil flows through the H hole to impact the four blades b of the main valve core a to be eccentric, so that the main valve core a moves downwards right, the c cavity, the oil duct q, kong Kong s and the K cavity are converted into a negative pressure state, the quick-release j hole is automatically opened to quickly empty the K cavity oil together with the control hole s, under the combined force of the impact force of the eccentric four blades b, the effect of the three leads d and the negative pressure emptying of the K cavity, the main valve core a moves downwards quickly to the limit position of the e and the timing bolt f, the g port on the valve seat m is thoroughly separated from the valve core a, the high-speed rotating return oil of the liquid motor flows through the return tee joint 53, the H hole, the g hole, the c hole and the stop valve 41 to the electromagnetic oil supply tee joint 40 to be communicated with the original oil inlet of the liquid motor 1, so that the liquid motor directly returns to the oil inlet of the motor 1 through the tee joint 53 oil return pipeline F, H, g, c, the stop valve 41 and the oil inlet pipeline H, the short circuit communication circulation mode of the return oil and the oil inlet of the motor 1 is realized, the rapid stopping and the impact of the large fan 12 are ensured and avoided, the full automatic rapid and natural disappearance of the high-speed rotating inertia of the fan 12 is realized, the stopping of the oil supply due to the instant stopping of the electromagnetic valve 43 is avoided, the instant stopping and the impact of the liquid motor are also realized, the serious damage of the liquid motor and the like is caused, and the service life is prolonged. c. The oil pressure of the h port impacts the four blades b at the top end of the main valve core a to generate left and right rotation force, and the main valve core a is prevented from moving up and down and dying due to the three-head lead d.
According to the invention, the complicated procedure of forced manual maintenance is reduced, the current situation that the observation pressure (about 0.05 mPa) is displayed safely by the abdominal cavity pressure gauge and is visually lubricated is additionally arranged, the oil seal on the upper surface of the vertical shaft of the fan is ensured to be upwards and outwards, the oil seal is damaged in a cluster too early due to weather and dust, the oil seal is leaked, the concave buckling end surface of the stainless steel centrifugal plate which rotates along with the shaft is additionally arranged, the leaked oil can be thrown to a round groove for gathering in case of long time, the lower row of the hose is connected for displaying and observing, and the oil tank is not polluted even if the oil seal leaks; the centrifugal plate rotates the upper plane fast to throw the existing dust, rain and other centrifugal force to the outside, the oil seal is protected from being affected by dust and rain, the service life is prolonged, the upper taper standard bearing bears the reverse force of upward exhaust of 7 tons bearing load, the lower cylindrical bearing is still floating with the inner sleeve to ensure the inherent clearance to be used, in order to prevent the upward micro-string of the extreme individual condition of the floating inner sleeve from being damaged, a lining plate, a fixing plate and a thrust bearing are additionally arranged between the upper bearing and the lower bearing, the fixing plate and a shell are fixed by four M16 bolts, the lining plate and the fixing plate realize the application of the design principle of the thrust bearing, the design clearance is ensured to be safely and stably operated, the service life is prolonged, the motor and the bridge are sealed by O-shaped rings, and the motor and the bridge are prevented from being connected with the bridge from overflowing.
The embodiments of the present invention are not limited thereto, and the above preferred embodiments may be modified, substituted or combined in various other forms, using conventional technical knowledge and means in the art, according to the above embodiments of the present invention, without departing from the basic technical ideas of the present invention, and all the obtained other embodiments fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a full-automatic crashproof fan motor is opened to liquid accuse, includes liquid motor (1), gap bridge shell (2), former hydraulic tank (30), control valves (42) and solenoid valve (43), a serial communication port, liquid motor (1) and gap bridge shell (2) are through first O type circle (14) sealing connection, and through connecting bolt (17) fixed connection, the upper portion of gap bridge shell (2) is including leak protection lower row centrifugal blade (19), first oil blanket (21), second oil blanket (22), thrust bearing (23), bush (26), welt (27), fixed plate (28), in case spout oil round groove (29), go up tapering standard bearing (4), center pin (3) and lower cylinder bearing (5), first oil blanket (21) and second oil blanket (22) are installed first oil blanket (6) and second oil blanket (7) respectively, and are through second O type circle (24) and third O type circle (25) sealing connection respectively, fan (12) are connected to the upper end of center pin (3), gap bridge shell (2) are equipped with leak protection oil return (20) one side of back pressure one side of gap bridge shell (2), one side of gap bridge shell (20) is equipped with down and spout oil return face (10) is equipped with down lubricant inlet (10) and is equipped with down lubricant outlet (10) Welt (27), fixed plate (28) and thrust bearing (23) set up between last tapering standard bearing (4) and lower cylindrical bearing (5), control valves (42) are including shutoff Kong Youliang governing valve (31), valve body (32), slide valve (33), ball body (34), damping hole (35), E mouth through-hole (36), first through-hole (37), shutoff hole (38) and second through-hole (39), one side of liquid motor (1) is equipped with the oil inlet, and the opposite side is equipped with the oil-out, and control valves (42) are adorned between oil inlet and oil-out.
2. The hydraulically controlled start-stop full-automatic anti-collision fan motor according to claim 1, characterized in that the fixing plate (28) is fixedly connected to the bridge housing (2) by four M16 bolts.
3. The hydraulic control start-stop full-automatic anti-collision fan motor according to claim 1, wherein an abdominal pressure gauge (18) is arranged on one side of the bridge housing (2), and a detection end of the abdominal pressure gauge (18) is arranged outside the bridge housing (2) to be communicated.
4. The hydraulic control start-stop full-automatic anti-collision fan motor according to claim 1, wherein the first oil seal (21) and the second oil seal (22) are high-temperature-resistant 250 ℃ and low-temperature-resistant 65 ℃ fluorine rubber oil seals.
5. The hydraulic control start-stop full-automatic anti-collision fan motor according to claim 1, wherein one side of the control valve group (42) is connected with a stop valve (41), the stop valve (41) is connected with a hose (44) and a first three-way pipe fitting (40) to an oil inlet of the liquid motor (1), the other side of the control valve group (42) is connected with an oil return port of the liquid motor (1) through the hose (44), the E port through hole (36) is connected with an original hydraulic oil tank (30) through the hose (44) and a second three-way pipe fitting (53), an oil return port of the liquid motor (1) is connected with the original hydraulic oil tank (30) on the second three-way pipe fitting (53), and the oil return back pressure back-spraying lubrication inlet (11) is connected with the oil return port through an oil return back-spraying hose (16).
6. The hydraulic control start-stop full-automatic anti-collision fan motor according to claim 1, wherein the oil inlet system of the liquid motor (1) is communicated with the oil return system of the liquid motor (1) for standby through an E-port through hole (36).
7. The fully automatic, hydraulically controlled start-stop anti-collision fan motor of claim 1, wherein the control valve block (42) is a three-in-one control valve of impact energy, mechanical energy and hydraulic energy.
8. The hydraulically controlled start-stop fully automatic anti-collision fan motor of claim 1, wherein the control valve block (42) is a hydraulic pressure differential control valve.
9. The hydraulically controlled start-stop full-automatic anti-collision fan motor according to claim 1, characterized in that one end of the shut-off hole (38) is provided with a shut-off hole oil quantity regulating valve (31).
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| CN201910061655.2A CN109578298B (en) | 2019-01-23 | 2019-01-23 | Hydraulic control start-stop full-automatic anti-collision fan motor |
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| CN109578298B true CN109578298B (en) | 2024-03-19 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006009844A (en) * | 2004-06-23 | 2006-01-12 | Nachi Fujikoshi Corp | Counterbalance valve and hydraulic motor |
| CN201902286U (en) * | 2010-12-21 | 2011-07-20 | 宁波市恒通液压科技有限公司 | Inner curve multiple-acting radial plunger type hydraulic centrifugal motor |
| EP2592263A1 (en) * | 2011-11-09 | 2013-05-15 | Poclain Hydraulics Industriale S.R.L. | Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors |
| CN203081760U (en) * | 2013-03-07 | 2013-07-24 | 沈阳伟纳通用设备有限公司 | Sliding-vane-type air compressor driven by hydraulic motor for tool cars |
| CN203161687U (en) * | 2013-02-06 | 2013-08-28 | 青岛科尼乐重工有限公司 | Full-hydraulic-control hydraulic system |
| CN103321987A (en) * | 2013-06-17 | 2013-09-25 | 龙工（上海）精工液压有限公司 | Hydraulic motor buffer control mechanism |
| CN103670651A (en) * | 2013-10-14 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Driving device for cooling fan of diesel locomotive and controlling method of driving device |
| CN108799234A (en) * | 2018-07-06 | 2018-11-13 | 秦皇岛首创思泰意达环保科技有限公司 | A kind of circular buffering flow control hydraulic valve |
| CN209458149U (en) * | 2019-01-23 | 2019-10-01 | 宋丽丽 | The full-automatic anticollision fan motor of hydraulic control start and stop |
-
2019
- 2019-01-23 CN CN201910061655.2A patent/CN109578298B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006009844A (en) * | 2004-06-23 | 2006-01-12 | Nachi Fujikoshi Corp | Counterbalance valve and hydraulic motor |
| CN201902286U (en) * | 2010-12-21 | 2011-07-20 | 宁波市恒通液压科技有限公司 | Inner curve multiple-acting radial plunger type hydraulic centrifugal motor |
| EP2592263A1 (en) * | 2011-11-09 | 2013-05-15 | Poclain Hydraulics Industriale S.R.L. | Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors |
| CN203161687U (en) * | 2013-02-06 | 2013-08-28 | 青岛科尼乐重工有限公司 | Full-hydraulic-control hydraulic system |
| CN203081760U (en) * | 2013-03-07 | 2013-07-24 | 沈阳伟纳通用设备有限公司 | Sliding-vane-type air compressor driven by hydraulic motor for tool cars |
| CN103321987A (en) * | 2013-06-17 | 2013-09-25 | 龙工（上海）精工液压有限公司 | Hydraulic motor buffer control mechanism |
| CN103670651A (en) * | 2013-10-14 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Driving device for cooling fan of diesel locomotive and controlling method of driving device |
| CN108799234A (en) * | 2018-07-06 | 2018-11-13 | 秦皇岛首创思泰意达环保科技有限公司 | A kind of circular buffering flow control hydraulic valve |
| CN209458149U (en) * | 2019-01-23 | 2019-10-01 | 宋丽丽 | The full-automatic anticollision fan motor of hydraulic control start and stop |
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|---|---|
| CN109578298A (en) | 2019-04-05 |
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