CN209458149U - The full-automatic anticollision fan motor of hydraulic control start and stop - Google Patents

Abstract

The utility model discloses the full-automatic anticollision fan motors of hydraulic control start and stop, including fluid motor, gap bridge shell, former hydraulic oil container and control valve group, fluid motor and gap bridge shell are tightly connected by the first O-ring, and it is fixedly connected by connecting bolt, the top of shell, which is equipped with, prevents leaking down to be discharged from lamination, first oil sealing, second oil sealing, thrust bearing, bushing, liner plate, fixed plate, round slot, epicone degree standard rolling bearing, central axis and lower cylindrical bearing, central axis lower end connects fluid motor, upper end connects fan, bushing, liner plate, fixed plate and thrust bearing are arranged among upper taper bearing and lower cylindrical bearing, control valve group includes solenoid valve, slide valve, spherosome, damping hole, E mouthfuls of through-holes, first logical only hole, cutoff hole and the second logical only hole, oil input channel can control valve by threeway connection three, pilot operated valve device connects with motor back oil road It is logical, realize full-automatic 3-5 second slowly start, 10- rotatory inertia Lock-out in tens seconds and stop, increasing service life.

Description

The full-automatic anticollision fan motor of hydraulic control start and stop

Technical field

The utility model relates to fan motors, more particularly to the full-automatic anticollision fan motor of hydraulic control start and stop.

Background technique

Existing domestic and international high-power machinery hydraulic fan motor, be partially directly fill 2000 in hydraulic motor output shaft, 2500mm big fan occurs getting rid of pendulum caused by dynamic balancing difference, until damage fluid motor；Be both also installed additional cross bridging device capable of being connected, but Because double-aligning bearing is selected, the limitation of poor, the artificial butter lubrication addition of gap bridge shell stability, lubrication not can guarantee, can not It is suitable for long-term high operation warm area lubrication, motor inlet and outlet oil and non-porous control River Closure Measures etc., with the passing of time rapid starting/stopping and is set beyond original It counts desired torque and hits, former fan output shaft upper end oil sealing connects for a long time towards day and deposits the invasion of rainwater dust, oil sealing is damaged, and occurs Infiltration, leakage cause to lubricate the not good enough damage for accelerating double-row self-aligning bearing, get rid of and put and fluid motor is impaired, and hydraulic oil is caused largely to spray and spoil over, It can not normal construction operation；Several structure types as above and butter lubricating system are more not suitable with high-temperature operation, all easily occur tight Weight problem.There are still inappreciable defect, imports to purchase period length, value valuableness for existing fan motor design, influences oil The normal heavy duty work of field underground fracture.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides the full-automatic anticollision fan motor of hydraulic control start and stop, energy Solving existing fan motor design, there are still inappreciable defect, imports to purchase period length, value valuableness, influences oil well The problem of fracturing normal heavy duty work.

In order to solve the above technical problems, the utility model provides the following technical solutions:

The full-automatic anticollision fan motor of hydraulic control start and stop, including fluid motor, gap bridge shell, former hydraulic oil container, control valve group And solenoid valve, the fluid motor and gap bridge shell are tightly connected by the first O-ring, and are fixedly connected by connecting bolt, institute The top for stating gap bridge shell includes to prevent leaking down to be discharged from lamination, the first oil sealing, the second oil sealing, thrust bearing, bushing, liner plate, consolidate Fixed board, the round slot of contingency spray oil leak, epicone degree standard rolling bearing, central axis and lower cylindrical bearing, first oil sealing and the second oil Envelope is separately installed with the first oil seal cover and the second oil seal cover, and is tightly connected respectively by the second O-ring and third O-ring, institute The upper end connection fan of central axis is stated, the side of the gap bridge shell is equipped with oil extraction outlet of preventing leaking down, and the other side is carried on the back equipped with oil return Pressure regurgitates lubrication import, and the gap bridge shell, which is arranged below, regurgitates the lubrication return mouth bushing, liner plate, fixed plate and thrust axis It holds and is arranged among epicone degree standard rolling bearing and lower cylindrical bearing, the control valve group includes cutoff hole director valve, valve Body, slide valve, spherosome, damping hole, E mouthful through-hole, the first logical logical only hole of only hole, cutoff hole and second, the side of the fluid motor Equipped with oil inlet, the other side is equipped with oil outlet, and control valve group is loaded among oil inlet and outlet.

As a kind of optimal technical scheme of the utility model, the fixed plate is fixedly connected with gap bridge by four M16 bolts Shell.

As a kind of optimal technical scheme of the utility model, the side of the gap bridge shell is equipped with abdominal pressure table, and The outside that the test side of abdominal pressure table is placed in gap bridge shell communicates.

As a kind of optimal technical scheme of the utility model, first oil sealing and the second oil sealing select high temperature resistant 250 Degree, low temperature -65 spend fluorine rubber seal.

As a kind of optimal technical scheme of the utility model, the control valve group side connects shut-off valve, the cut-off Valve connects the first tee pipe fitting of hose to fluid motor oil inlet, and the other side of the control valve group connects fluid motor by hose Oil return opening, the E mouthfuls of through-hole connect former hydraulic oil container by the second tee pipe fitting of hose, connect liquid horse on second tee pipe fitting Connect former hydraulic oil container under up to oil return opening, the return oil pressure regurgitates lubrication import and regurgitates hose connection oil return by return oil pressure Mouthful.

As a kind of optimal technical scheme of the utility model, the oil feeding system of the fluid motor is through E mouthfuls of through-holes and liquid horse The oil return system reached communicates spare.

As a kind of optimal technical scheme of the utility model, impact energy or mechanical energy or liquid is can be used in the control valve group Pressure energy three can unify control valve or fluid power differential pressure control valve.

As a kind of optimal technical scheme of the utility model, one end of the cutoff hole is equipped with cutoff hole fuel-flow control Valve.

Compared with prior art, the attainable beneficial effect of the utility model is: the utility model, which is reduced, forces artificial protect Complicated procedures are supported, then add abdominal pressure table safety display observation pressure (0.05mPa or so) intuitive Lubrication Situation, guarantee fan Oil sealing is outer upwards above vertical shaft, and outdoor, wind and rain, dust cause oil sealing premature breakdown string, oil leak, add rotate with the axis Stainless Steel from The recessed end of thread face of lamination can will meet row under hose and show and observe and conclude, i.e., with the passing of time just in case string spray oil leak is got rid of to round slot and gathered Make oil sealing spray leakage that will not also pollute fuel tank；Centrifugal film quickly rotates plane for the centrifugal dryings such as existing dust, rainwater row in outer, It protects oil sealing not invaded by dust rainwater, prolongs the service life, epicone degree standard rolling bearing bears 7 tons of upward air drafts of endurance load Opposite force, lower cylindrical bearing, which is still floated with inner sleeve, guarantees that intrinsic gap is continued to use, to prevent the extreme individual cases of floating inner sleeve upward Micro- string is impaired, adds a bushing, liner plate, fixed plate and thrust bearing among upper and lower bearing, and fixed plate and gap bridge shell are with four M16 bolt is fixed, and bushing, liner plate, fixed plate realize the application of Designing Thrust Bearing principle, guarantee design gaps safety and stability fortune Turn, reach and improve the operation service life, motor and gap bridge are sealed using O-ring, prevent motor and connection spill and leakage of passing a bridge is excessive.

Detailed description of the invention

Fig. 1 is the subjective structural schematic diagram of the utility model；

Fig. 2 is that the fluid motor of the utility model opens, stops, buffering and hit automatic hydraulic control valve group structural representation open in usual Figure；

Fig. 3 is that the fluid motor of the utility model opens, stops, buffering and hit three spiral rotating closure valve structural schematic diagrams of hydraulic control；

Wherein: 1, fluid motor；2, gap bridge shell；4, epicone degree standard rolling bearing；5, lower cylindrical bearing；6, the first oil seal cover； 7, the second oil seal cover；11, return oil pressure regurgitates lubrication import；12, fan；14, the first O-ring；16, return oil pressure is regurgitated soft Pipe；18, abdominal pressure table；19, prevent leaking down to be discharged from lamination；20, just in case spray oil leak collection forges oil expulsion channel；21, the first oil sealing；22, Second oil sealing；23, thrust bearing；24, the second O-ring；25, third O-ring；26, bushing；27, liner plate；28, fixed plate；29, Round slot；30, former hydraulic oil container；31, cutoff hole director valve；32, valve body；33, slide valve；34, spherosome；35, damping hole； 36, E mouthfuls of through-holes；37, the first logical only hole；38, cutoff hole；39, the second logical only hole；40, the first tee pipe fitting；41, shut-off valve； 42, control valve group；43, solenoid valve；44, hose；53, the second tee pipe fitting.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

It please refers to shown in Fig. 1-3, the full-automatic anticollision fan motor of hydraulic control start and stop, including fluid motor 1, gap bridge shell 2, original Hydraulic oil container 30, control valve group 42 and solenoid valve 43, the fluid motor 1 and gap bridge shell 2 are connected by the sealing of the first O-ring 14 It connects, and be fixedly connected by connecting bolt 17, the top of the gap bridge shell 2 includes to prevent leaking down to be discharged from the 19, first oil of lamination Seal the 21, second oil sealing 22, thrust bearing 23, bushing 26, liner plate 27, fixed plate 28, the round slot 29 of contingency spray oil leak, epicone scale Fiducial axis holds 4, central axis 3 and lower cylindrical bearing 5, and first oil sealing 21 and the second oil sealing 22 are separately installed with the first oil seal cover 6 It with the second oil seal cover 7, and is tightly connected respectively by the second O-ring 24 and third O-ring 25, the upper end of the central axis 3 connects Wind-receiving fan 12, the side of the gap bridge shell 2 are equipped with oil extraction outlet 20 of preventing leaking down, the other side be equipped with return oil pressure regurgitate lubricate into Mouth 11, the gap bridge shell 2, which is arranged below, regurgitates the bushing 26 of lubrication return mouth 10, liner plate 27, fixed plate 28 and thrust axis 23 settings are held among epicone degree standard rolling bearing 4 and lower cylindrical bearing 5, the control valve group 42 includes cutoff hole fuel-flow control Valve (31), valve body 32, slide valve 33, spherosome 34, damping hole 35, E mouthfuls of through-holes 36, first logical only hole 37, cutoff hole 38 and second Logical only hole 39, the side of the fluid motor 1 are equipped with oil inlet, and the other side is equipped with oil outlet, and control valve group 42 is loaded on oil inlet Among oil outlet.

The fixed plate 28 is fixedly connected with gap bridge shell 2 by four M16 bolts, and the side of the gap bridge shell 2 is equipped with abdomen Cavity pressure table 18, and the test side of abdominal pressure table 18 is placed in the outside of gap bridge shell 2 and communicates, first oil sealing 21 and second 250 degree of high temperature resistant of the selection of oil sealing 22, the degree fluorine rubber seal of low temperature -65,42 side of the control valve group connection shut-off valve 41, described section Only valve 41 connects 44 second tee pipe fitting 53 of hose to 1 oil inlet of fluid motor, and stop valve 41 can not only detect control manually at any time Two kinds of control valve operations are disabled in control valve and close shut-off valve 41 for some reason at no, restore fluid motor 1 and pass in and out oil duct thoroughly to divide From guarantee continues operation process, and the connection of shut-off valve 41 44 first tee pipe fitting 40 of hose is described to 1 oil inlet of fluid motor The other side of control valve group 42 connects the oil return opening of fluid motor 1 by hose 44, and the E mouthfuls of through-hole 36 passes through hose 44 the two or three Way pipe fitting 53 connects former hydraulic oil container 30, connects on second tee pipe fitting 53 and connects former hydraulic oil container 30 under 1 oil return opening of fluid motor, The return oil pressure regurgitates lubrication import 11 and regurgitates the connection oil return opening of hose 16, the oil inlet of the fluid motor 1 by return oil pressure System communicates spare, E mouthfuls of 36 control valves of through-hole when solenoid valve 43 opens fuel feeding through E mouthfuls of through-holes 36 with the oil return system of fluid motor 1 42 mouthfuls of full-automatic slowly closings and normal operation are in 1 hose of termination of job stagnation of movement moment fluid motor, 44 first tee pipe fitting 40 at negative Shape is pressed, and 53 back pressure effect of the second threeway of oil return system F promotes quick open of control valve group 42 to be changed to short-circuit cycle mode, realizes Impact energy or mechanical energy or hydraulic can be used without stagnation of movement, the control valve group 42 is hit in 10 to tens seconds rotatory inertia Spontaneous releases Energy three can unify control valve or fluid power differential pressure control valve.One end of the cutoff hole 38 is equipped with cutoff hole director valve 31.

It is specific:

A: add fluid motor and open, stop, buffering and hit automatic hydraulic control valve group 42 open in usual: when starting 12 moment of fan, High pressure acting oil stream has part through tee pipe fitting 40, shut-off valve 41, shunts C chamber, cutoff hole 38, cutoff hole director valve 31 again It is flow to normally open valve B chamber, E mouthfuls of through-holes 36, then returns to former hydraulic oil container 30 through oil return pipeline F, the second threeway 53, reaches of short duration 3-5 While impact event is automatically delayed in second shunting pressure release, and the left and right pressure difference of cutoff hole 38 must form the pressure that C chamber is greater than B chamber, cause The larger pressure oil of C chamber flows through the first logical only hole 37 and closing to the second logical only hole 39, the A chamber that move right of spherosome 34 is pushed to be converted to Dead zone；The opposite force cause that smaller pressure oil returned to A chamber dead zone at 3-5 seconds through damping hole 35 has been located in slide valve 33, B chamber upper end at this time 33 upward sliding of main slide valve, until realizing setting oil liquid amount whole punching to fluid motor full speed acting fortune after E mouthfuls of through-holes 36 of closing Turn, that is, realize the full speed operation of 3-5 seconds buffer starting processes, starting certainly will be prevented to collide and premature damage associated flower Key precision and get rid of pendulum and postpone to fluid motor central axis 3 is servo-actuated and get rid of pendulum, cause fluid motor hall internal diameter, it is axial cross quick-wearing and balance by Damage certainly will form torque power and weaken or serious leakage, above-mentioned slide valve 33 after Anti-knocking on move to the closings of E mouthful through-holes 36, Pressure oil all returns to normal operation pipeline, and hydraulic fan motor reaches design and does work at full speed；When 12 fuel cut-off of fan does work Moment, high-speed rotating fan 12 still has powerful inertia power and still has rotary course, when 43 fuel cut-off moment of solenoid valve And pressure duct occur and negative pressure is converted by high pressure, cause C chamber and the first logical only hole 37 also to generate negative pressure simultaneously, C cavity pressure is again small In B chamber back-pressure, ball valve 34 can sink automatically, move back, and fluid motor return oil pressure is in 36 0.1-0.5mpa of top of E mouth Pressure, thrust, the E mouthfuls of ascending unlatchings of through-hole 36 push up comprehensive stress pressure-bearing on slide valve 33, and B cavity pressure is greater than A chamber negative pressure again Power, additional slide valve 33 are moved down from pendant power, and A chamber oil liquid pushes ball valve 34 by the second logical only hole 39 and empties A chamber, real Existing return oil pressure oil stream auto-returned motor oil inlet pipe makes still high speed rotation fan inertia force at 5-10 seconds or more long duration Property operating in slowly stop operating, until Lock-out, be again prevented from former speed and stop colliding and damage connecting portion and the damage to fluid motor It is bad；

B: add fluid motor open, stop, buffer hit three spiral rotating closure valves of hydraulic control (full-automatic lead pilot operated valve device) when to Stand-by with the non-fuel feeding of solenoid valve 43: main valve plug a bottom e is contacted with timing bolt f, main valve plug a at g mouthfuls of open positions of lower limit, C, g, h are communicated.When stand-by solenoid valve 43 is opened: with 200L/min fuel feeding, simultaneously, fuel feeding part is oily for slow micro- turn of fan motor 1 Flow through the first threeway 40,53 hydraulic return fuel tank 30 of c, g, h and F oil return threeway simultaneously, c pore pressure force oil directly impacts main valve plug a Quaterfoil b radius is eccentric, generates left-handed power and part oil stream through oil duct q, fuel-flow control bolt r, control hole s and slowly enters closure k chamber, K chamber oil pressure pushes up main valve plug a, unifies with the hole c eccentric two power of impact main valve plug, plays in tri- dextrorotation lead d of main valve plug a Under the action of, main valve plug a it is controllable ideal slowly on move to g mouthful and thoroughly close, main valve plug a above-mentioned is automatically moved up section for 3-5 seconds Stream process, just realize fluid motor it is full-automatic controllable slowly, without hit, the normal rotary operation of high speed, it is therefore prevented that the starting of fan 12 is hit It hits and be badly damaged fluid motor 1 and transmission connection position.When stand-by 43 fuel cut-off moment of solenoid valve: fan motor is still in height Fast rotatory inertia, return oil pressure oil stream is eccentric through tetra- leaf b of the hole h impact main valve plug a, moves down main valve plug a dextrorotation simultaneously, and c chamber, Oil duct q, hole control s, k chamber are transformed into negative pressure state, rush down the hole j fastly and automatically open and control the common fast evacuation K chamber oil liquid of hole s, inclined Heart quaterfoil b impact force and three lead d effect and k chamber negative pressure emptying three can be under resultant forces, and main valve plug a, which is quickly moved down, to be caused e and adjust When bolt f spacing place, be completely separated with spool a for g mouthfuls on valve seat m, fluid motor high speed rotation oil return oil stream through oil return threeway 53, the hole h, G mouthfuls, the hole c, shut-off valve 41 to electromagnetic fuel supply threeway 40 and the former oil inlet of fluid motor 1 are connected, and form fluid motor through 53 oil return pipe of threeway It is short to realize that 1 oil return of horse is changed its course with oil inlet by 40 straight gyrus motor of threeway, 1 oil inlet by road F, h, g, c and shut-off valve 41, inflow pipeline H Road connect circulation pattern, guarantee and 12 speed of big fan avoided to stop hitting, realize 12 high speed rotation inertia of fan automatically by near Slow Lock-out and stop, avoiding because of solenoid valve 43 moment fuel cut-off, and fluid motor is made also to stall and hit at once, cause liquid Motor etc. is badly damaged, and prolongs the service life.C, h mouthfuls of oil shock main valve plug a top quaterfoil b and generate left and right spin, Prevent three lead d from main valve plug a being caused to move up and down drop dead.

The utility model, which is reduced, forces artificial complicated maintenance program, then adds abdominal pressure table safety display observation pressure (0.05mPa or so) intuitive Lubrication Situation guarantees that oil sealing is outer upwards above fan vertical shaft, and outdoor, wind and rain, dust cause oil sealing mistake Early damage string, oil leak, adding the recessed end of thread face of the Stainless Steel centrifugal film that rotates with the axis can get rid of with the passing of time contingency string spray oil leak to round Slot gathers, and meets row under hose and shows and observe and conclude, will not pollute fuel tank oil sealing is sprayed and leaked；On centrifugal film quickly rotates Plane arranges the centrifugal dryings such as existing dust, rainwater in outer, protect oil sealing by the invasion of dust rainwater, not prolong the service life, epicone Degree standard rolling bearing bears the opposite forces of 7 tons of endurance upward air drafts of load, and lower cylindrical bearing is still between inner sleeve floating guarantee inherently Gap is continued to use, and to prevent the extreme individual cases of floating inner sleeve, micro- string is impaired upwards, and a bushing is added among upper and lower bearing, liner plate, is consolidated Fixed board and thrust bearing, fixed plate are fixed with shell with four M16 bolts, and bushing, liner plate, fixed plate realize that Designing Thrust Bearing is former It ought to use, guarantee that design gaps safety and stability operates, reaching and improving the operation service life, motor and gap bridge are sealed using O-ring, are prevented Motor and connection spill and leakage of passing a bridge are excessive.

The embodiments of the present invention is without being limited thereto, according to the above embodiments of the present invention content, utilizes ability The routine techniques knowledge and customary means in domain, under the premise of not departing from the utility model above-mentioned basic fundamental thought, it is above preferably Embodiment can also make the modification, replacement or combination of other diversified forms, and other embodiments obtained all fall within practical Within novel rights protection scope.

Claims (8)

1. the full-automatic anticollision fan motor of hydraulic control start and stop, including fluid motor (1), gap bridge shell (2), former hydraulic oil container (30), Control valve group (42) and solenoid valve (43), which is characterized in that the fluid motor (1) and gap bridge shell (2) pass through the first O-ring (14) it is tightly connected, and be fixedly connected by connecting bolt (17), the top of the gap bridge shell (2) includes to prevent leaking down to be discharged from Lamination (19), the first oil sealing (21), the second oil sealing (22), thrust bearing (23), bushing (26), liner plate (27), fixed plate (28), Just in case spraying the round slot of oil leak (29), epicone degree standard rolling bearing (4), central axis (3) and lower cylindrical bearing (5), first oil sealing (21) the first oil seal cover (6) and the second oil seal cover (7) are separately installed with the second oil sealing (22), and pass through the second O-ring respectively (24) it is tightly connected with third O-ring (25), the upper end of the central axis (3) connects fan (12), the gap bridge shell (2) Side is equipped with oil extraction outlet (20) of preventing leaking down, and the other side is equipped with return oil pressure and regurgitates lubrication import (11), the gap bridge shell (2) It is arranged below and regurgitates lubrication return mouth (10) described bushing (26), liner plate (27), fixed plate (28) and thrust bearing (23) setting Intermediate in epicone degree standard rolling bearing (4) and lower cylindrical bearing (5), the control valve group (42) includes cutoff hole director valve (31), valve body (32), slide valve (33), spherosome (34), damping hole (35), E mouthfuls of through-holes (36), first, which are led to, stops hole (37), shuts off Hole (38) and second leads to only hole (39), and the side of the fluid motor (1) is equipped with oil inlet, and the other side is equipped with oil outlet, and controls Valve group (42) is loaded among oil inlet and outlet.

2. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the fixed plate (28) gap bridge shell (2) are fixedly connected with by four M16 bolts.

3. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the gap bridge shell (2) side is equipped with abdominal pressure table (18), and the test side of abdominal pressure table (18) is placed in the external phase of gap bridge shell (2) It is logical.

4. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that first oil sealing (21) and the second oil sealing (22) selects 250 degree of high temperature resistant, and low temperature -65 spends fluorine rubber seal.

5. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the control valve group (42) side connection shut-off valve (41), the shut-off valve (41) connect (44) first tee pipe fitting (40) of hose to fluid motor (1) Oil inlet, oil return opening of the other side of the control valve group (42) by hose (44) connection fluid motor (1), the E mouthfuls of through-hole (36) former hydraulic oil container (30) is connected by (44) second tee pipe fitting (53) of hose, connects liquid on second tee pipe fitting (53) Connect former hydraulic oil container (30) under motor (1) oil return opening, the return oil pressure is regurgitated lubrication import (11) and regurgitated by return oil pressure Hose (16) connects oil return opening.

6. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the fluid motor (1) oil feeding system communicates through E mouthfuls of through-holes (36) with the oil return system of fluid motor (1) spare.

7. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the control valve group (42) impact energy or mechanical energy or hydraulic energy three, which can be used, can unify control valve or fluid power differential pressure control valve.

8. the full-automatic anticollision fan motor of hydraulic control start and stop according to claim 1, which is characterized in that the cutoff hole (38) one end is equipped with cutoff hole director valve (31).