CN104728309A - Operating method for tractor clutch operating device with hydraulic assistance - Google Patents
Operating method for tractor clutch operating device with hydraulic assistance Download PDFInfo
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- CN104728309A CN104728309A CN201510110056.7A CN201510110056A CN104728309A CN 104728309 A CN104728309 A CN 104728309A CN 201510110056 A CN201510110056 A CN 201510110056A CN 104728309 A CN104728309 A CN 104728309A
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- oil
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- rod
- clutch
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D48/04—Control by fluid pressure providing power assistance
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses an operating method for a tractor clutch operating device with hydraulic assistance. A booster cylinder is connected with a clutch pull rod through a clevis by a clutch pedal, an output pipeline of a steering constant flow pump of a tractor provides pressure for the booster cylinder, and a piston rod of the booster cylinder is connected with the clutch pull rod through the clevis. When a driver steps on the clutch pedal, firstly power is provided for a throttling valve in the piston rod to enable an upper cavity and a lower cavity in an assistance oil cylinder to generate a pressure difference, the piston rod is pushed to pull the clutch pull rod, the clutch is separated, the easy control of the clutch is achieved, the torque reserve coefficient of the clutch is increased, the operating force of the driver is reduced, and the operating comfort of the driver is improved.
Description
Technical field
The present invention relates to tractor clutch control technique field, especially a kind of operating method of the tractor clutch Effector with hydraulic booster.
Background technique
At present, the Dou Shi mechanical manipulation mechanism of the clutch release system employing of a lot of tractor, along with improving constantly of tractor power, require also higher to the torque-transfer capability of clutch, strengthen the coefficient of torque reserve of clutch, usual employing strengthens clutch friction plate diameter and strengthens belleville spring impacting force two kinds of methods, but due to structural limitations, the space that clutch friction plate diameter can strengthen is very limited, therefore the method strengthening belleville spring impacting force is often adopted to improve clutch torque reserve factor, it is heavy that the increase of belleville spring impacting force result in clutch pedal steering force, add the labor intensity of driver, greatly reduce the handling comfort of tractor.
In view of the foregoing, a kind of operating method of the tractor clutch Effector with hydraulic booster is now developed.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of operating method of the tractor clutch Effector with hydraulic booster is provided, power-assisted oil cylinder is connected with clutch pull rod by clevis by clutch pedal, power-assisted oil cylinder provides pressure by the constant flow pump output pipe that turns to of tractor, the piston rod of power-assisted oil cylinder is connected with clutch pull rod by clevis, when driver's let slip the clutch, first power is provided to the throttle valve in piston rod, the in-oil cylinder epicoele of power-assisted and cavity of resorption is made to produce pressure difference, promote piston rod and pull clutch pull rod, make clutch separation, achieve the light control to clutch.
The present invention to achieve these goals, adopt following technological scheme: a kind of operating method of the tractor clutch Effector with hydraulic booster, the tractor clutch Effector of described band hydraulic booster, by clutch pedal, top board, return spring, clevis, clutch pull rod, power-assisted oil cylinder, filler opening, oil outlet, return opening, sprue, Returnning spring, valve rod, oil duct, safety valve passage, hold out against screw, safety valve spring, safety valve, horn mouth, oil return cavity, epicoele, cavity of resorption, piston rod, throttle valve, nose cone, piston, contiguous block, oilhole is formed, clutch pedal is connected with the fixed support of operator cabin by return spring, and the top board of clutch pedal is arranged in U-shaped clevis, and the U-shaped mouth of clevis is connected with clutch pull rod by connecting pin, and the middle part of clevis is connected with the piston rod of power-assisted oil cylinder, power-assisted oil cylinder sets gradually filler opening, oil outlet, return opening from the bottom to top, filler opening and turn between constant flow pump delivery outlet flexible pipe is set, between oil outlet and hydraulic steering gear filler opening, flexible pipe is set, return opening and turn between constant flow pump fuel tank filler opening flexible pipe is set, above power-assisted oil cylinder, hanger is set, in power-assisted oil cylinder, middle part arranges sprue, and form oil return cavity above sprue in power-assisted oil cylinder, the endoporus of sprue arranges valve rod, between one end of power-assisted oil cylinder inner piston rod and piston, contiguous block is set, described piston rod, contiguous block and piston are integrally formed, described piston is arranged between power-assisted oil cylinder inner wall and valve rod, the bilateral symmetry of contiguous block arranges oilhole, cavity of resorption is formed between contiguous block and power-assisted oil cylinder inner wall, in power-assisted oil cylinder, between sprue and piston, Returnning spring is set, Returnning spring is arranged on the periphery of valve rod, sprue, between piston and stem outer circumference, form epicoele, described filler opening is communicated with cavity of resorption, oil outlet is communicated with epicoele, return opening and oil return cavity connects, in described valve rod, oil duct is set, safety valve passage is set above valve rod internal oil channel, above valve rod, bilateral symmetry arranges oilhole, described oilhole and safety valve channel connection, the diameter of described safety valve passage is greater than the diameter of oil duct, from top to bottom set gradually in safety valve passage and hold out against screw, safety valve spring, safety valve, below valve rod, bilateral symmetry arranges oilhole, and described oilhole is communicated with oil duct, the inner chamber activity of described piston rod arranges throttle valve, one end of throttle valve give prominence to piston rod and and top plate contact, the other end is given prominence to piston rod and is arranged nose cone, and below described valve rod, corresponding circle conehead arranges horn mouth.
When clutch pedal is not operated, throttle valve is in open mode, the hydraulic oil in constant flow pump is turned to enter cavity of resorption through filler opening, flow in piston from the oilhole of contiguous block, upwards enter the oil duct of valve rod, below valve rod, the oilhole of both sides enters epicoele, hydraulic steering gear is flowed into through oil outlet, the oil pressure flowing into filler opening is less than 3 MPas, and in power-assisted oil cylinder, epicoele is equal with the oil pressure of cavity of resorption, makes the in-oil cylinder pressure of power-assisted keep state of equilibrium.
During normal use, pin stepping on clutch pedal, the top board of the clutch pedal throttle valve upwards in jack-up piston rod, throttle valve is in semi-closed state, the nose cone of throttle valve upwards enters the horn mouth of valve rod, the oil pressure entering filler opening is 3 ~ 10 MPas, the flow that hydraulic oil in piston enters valve rod internal oil channel reduces, the flow flowed in epicoele reduces, oil pressure in cavity of resorption is increased, promote piston to move up along power-assisted oil cylinder inner wall, piston driving piston rod moves up, and piston rod drives clutch pull rod generation pulling force upwards by clevis; Throttle valve moves up and down the flow controlling to flow into oil duct and produces different thrust, nose cone is when horn mouth, oil pressure in cavity of resorption increases and increases the thrust of piston, when nose cone is away from horn mouth, oil pressure in cavity of resorption reduces to reduce the thrust of piston, and the elasticity coefficient of described Returnning spring is 1.58N/mm-1.54N/mm, when in cavity of resorption, oil pressure is greater than oil pressure in epicoele, in cavity of resorption, the thrust of oil pressure to piston is greater than the elastic force of Returnning spring to piston, and piston moves up; When in cavity of resorption, oil pressure is less than or equal to oil pressure in epicoele, in cavity of resorption, the thrust of oil pressure to piston is less than the elastic force of Returnning spring to piston, and Returnning spring promotes piston and resets downwards, and piston rod and clevis make clutch pull rod set back downwards.
When turning to, steering wheel is killed, hydraulic oil in hydraulic steering gear stops flowing out, the hydraulic oil in epicoele is made to stop flowing to hydraulic steering gear, the oil pressure entering filler opening is greater than 12 MPas, oil pressure in cavity of resorption, epicoele and oil duct increases along with the increase of filler opening oil pressure, the thrust of oil pressure in oil duct to safety valve is greater than the elastic force of safety valve spring to safety valve, safety valve is moved up along safety valve vias inner walls, hydraulic oil in oil duct flows into safety valve passage, flow into oil return inner chamber through oilhole, flow into from return opening and turn to constant flow pump fuel tank; Steering wheel goes back to, when the oil pressure entering filler opening is less than 12 MPa, the thrust of oil pressure in oil duct to safety valve is less than the elastic force of safety valve spring to safety valve, safety valve spring promotes safety valve and sets back downwards, the hydraulic oil in oil duct is made to stop flowing into safety valve passage, the elasticity coefficient of described safety valve spring is 2.11N/mm-2.0N/mm, simultaneously, hydraulic oil in hydraulic steering gear normally flows out, hydraulic oil in epicoele is normally flowed to hydraulic steering gear, in power-assisted oil cylinder, reverts to normal operating condition.
The sliding stroke of the piston of described piston rod is 59mm-60mm, and the distance between valve rod lower end and contiguous block end face is 58.5mm-59.5mm.
The invention has the beneficial effects as follows: power-assisted oil cylinder is connected with clutch pull rod by clevis by clutch pedal, power-assisted oil cylinder provides pressure by the constant flow pump output pipe that turns to of tractor, the piston rod of power-assisted oil cylinder is connected with clutch pull rod by clevis, when driver's let slip the clutch, first power is provided to the throttle valve in piston rod, the in-oil cylinder epicoele of power-assisted and cavity of resorption is made to produce pressure difference, promote piston rod and pull clutch pull rod, make clutch separation, achieve the light control to clutch, increase the coefficient of torque reserve of clutch, reduce the steering force of driver, improve the operational comfort of driver.
Structure of the present invention is simple, and mentality of designing is novel, reasonable in design, easy to operate, and using effect is desirable, low cost of manufacture, and good product quality is durable, can Long-Time Service not fragile, be applicable to popularity application.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is, general assembly cross-sectional view;
In Fig. 1: clutch pedal 1, top board 1-2, return spring 2, clevis 3, clutch pull rod 4, power-assisted oil cylinder 5, filler opening 6, oil outlet 7, return opening 8, sprue 9, Returnning spring 10, valve rod 11, oil duct 11-2, safety valve passage 11-3, hold out against screw 11-4, safety valve spring 11-5, safety valve 11-6, horn mouth 11-7, oil return cavity 12, epicoele 13, cavity of resorption 14, piston rod 15, throttle valve 15-2, nose cone 15-3, piston 15-4, contiguous block 15-5, oilhole 16.
Embodiment
Below in conjunction with embodiment and embodiment, the present invention is described in further detail:
Embodiment 1
Clutch pedal 1 is connected with the fixed support of operator cabin by return spring 2, the top board 1-2 of clutch pedal 1 is arranged in U-shaped clevis 3, the U-shaped mouth of clevis 3 is connected with clutch pull rod 4 by connecting pin, and the middle part of clevis 3 is connected with the piston rod 15 of power-assisted oil cylinder 5, power-assisted oil cylinder 5 sets gradually filler opening 6, oil outlet 7, return opening 8 from the bottom to top, filler opening 6 and turn between constant flow pump delivery outlet flexible pipe is set, between oil outlet 7 and hydraulic steering gear filler opening, flexible pipe is set, return opening 8 and turn between constant flow pump fuel tank filler opening flexible pipe is set, above power-assisted oil cylinder 5, hanger is set, in power-assisted oil cylinder 5, middle part arranges sprue 9, and form oil return cavity 12 above sprue 9 in power-assisted oil cylinder 5, the endoporus of sprue 9 arranges valve rod 11, between one end of power-assisted oil cylinder 5 inner piston rod 15 and piston 15-4, contiguous block 15-5 is set, described piston rod 15, contiguous block 15-5 and piston 15-4 is integrally formed, described piston 15-4 is arranged between power-assisted oil cylinder 5 inwall and valve rod 11, the bilateral symmetry of contiguous block 15-5 arranges oilhole 16, cavity of resorption 14 is formed between contiguous block 15-5 and power-assisted oil cylinder 5 inwall, in power-assisted oil cylinder 5, between sprue 9 and piston 15-4, Returnning spring 10 is set, Returnning spring 10 is arranged on the periphery of valve rod 11, sprue 9, epicoele 13 is formed between piston 15-4 and valve rod 11 periphery, described filler opening 6 is communicated with cavity of resorption 14, oil outlet 7 is communicated with epicoele 13, return opening 8 is communicated with oil return cavity 12, in described valve rod 11, oil duct 11-2 is set, above valve rod 11 internal oil channel 11-2, safety valve passage 11-3 is set, above valve rod 11, bilateral symmetry arranges oilhole 16, described oilhole 16 is communicated with safety valve passage 11-3, the diameter of described safety valve passage 11-3 is greater than the diameter of oil duct 11-2, from top to bottom set gradually in safety valve passage 11-3 and hold out against screw 11-4, safety valve spring 11-5, safety valve 11-6, below valve rod 11, bilateral symmetry arranges oilhole 16, and described oilhole 16 is communicated with oil duct 11-2, the inner chamber activity of described piston rod 15 arranges throttle valve 15-2, one end of throttle valve 15-2 is given prominence to piston rod 15 and is contacted with top board 1-2, the other end is given prominence to piston rod 15 and is arranged nose cone 15-3, and below described valve rod 11, corresponding circle conehead 15-3 arranges horn mouth 11-7.
Embodiment 2
When clutch pedal 1 is not operated, throttle valve 15-2 is in open mode, the hydraulic oil in constant flow pump is turned to enter cavity of resorption 13 through filler opening 6, flow in piston 15-4 from the oilhole 16 of contiguous block 15-5, upwards enter the oil duct 11-2 of valve rod 11, below valve rod 11, the oilhole 16 of both sides enters epicoele 13, hydraulic steering gear is flowed into through oil outlet 7, the oil pressure flowing into filler opening 6 is less than 3 MPas, in power-assisted oil cylinder 5, epicoele 13 is equal with the oil pressure of cavity of resorption 14, makes the pressure in power-assisted oil cylinder 5 keep state of equilibrium.
Embodiment 3
During normal use, pin stepping on clutch pedal 1, the top board 1-2 of the clutch pedal 1 throttle valve 15-2 upwards in jack-up piston rod 15, throttle valve 15-2 is in semi-closed state, the nose cone 15-3 of throttle valve 15-2 upwards enters the horn mouth 11-7 of valve rod 11, the oil pressure entering filler opening 6 is 3 ~ 10 MPas, the flow that hydraulic oil in piston 15-4 enters valve rod 11 internal oil channel 11-2 reduces, the flow flowed in epicoele 13 reduces, oil pressure in cavity of resorption 14 is increased, promote piston 15-4 to move up along power-assisted oil cylinder 5 inwall, piston 15-4 drives piston rod 15 to move up, piston rod 15 drives clutch pull rod 4 to produce pulling force upwards by clevis 3, throttle valve 15-2 moves up and down the flow controlling to flow into oil duct 11-2 and produces different thrust, nose cone 15-3 is when horn mouth 11-7, oil pressure in cavity of resorption 14 increases and increases the thrust of piston 15-4, when nose cone 15-3 is away from horn mouth 11-7, oil pressure in cavity of resorption 14 reduces to reduce the thrust of piston 15-4, the elasticity coefficient of described Returnning spring 10 is 1.58N/mm-1.54N/mm, when in cavity of resorption 14, oil pressure is greater than oil pressure in epicoele 13, in cavity of resorption 14, the thrust of oil pressure to piston 15-4 is greater than the elastic force of Returnning spring 10 couples of piston 15-4, and piston 15-4 moves up, when in cavity of resorption 14, oil pressure is less than or equal to oil pressure in epicoele 13, in cavity of resorption 14, the thrust of oil pressure to piston 15-4 is less than the elastic force of Returnning spring 10 couples of piston 15-4, Returnning spring 10 promotes piston 15-4 and resets downwards, and piston rod 15 and clevis 3 make clutch pull rod 4 set back downwards.
Embodiment 4
When turning to, steering wheel is killed, hydraulic oil in hydraulic steering gear stops flowing out, the hydraulic oil in epicoele 13 is made to stop flowing to hydraulic steering gear, the oil pressure entering filler opening 6 is greater than 12 MPas, cavity of resorption 14, oil pressure in epicoele 13 and oil duct 11-2 increases along with the increase of filler opening 6 oil pressure, the thrust of oil pressure in oil duct 11-2 to safety valve 11-6 is greater than the elastic force of safety valve spring 11-5 to safety valve 11-6, safety valve 11-6 is moved up along safety valve passage 11-5 inwall, hydraulic oil in oil duct 11-2 flows into safety valve passage 11-5, oil return inner chamber 12 is flowed into through oilhole 16, flow into from return opening 8 and turn to constant flow pump fuel tank, steering wheel goes back to, when the oil pressure entering filler opening 6 is less than 12 MPa, the thrust of oil pressure in oil duct 11-2 to safety valve 11-6 is less than the elastic force of safety valve spring 11-5 to safety valve 11-6, safety valve spring 11-5 promotes safety valve 11-6 and sets back downwards, the hydraulic oil in oil duct 11-2 is made to stop flowing into safety valve passage 11-5, the elasticity coefficient of described safety valve spring 11-5 is 2.11N/mm-2.0N/mm, simultaneously, hydraulic oil in hydraulic steering gear normally flows out, hydraulic oil in epicoele 13 is normally flowed to hydraulic steering gear, normal operating condition is reverted in power-assisted oil cylinder 5.
Embodiment 5
The sliding stroke of the piston 15-4 of described piston rod 15 is 59mm-60mm, and the distance between valve rod 11 lower end and contiguous block 15-5 end face is 58.5mm-59.5mm.
Claims (5)
1. the operating method of the tractor clutch Effector with hydraulic booster, the tractor clutch Effector of described band hydraulic booster, by clutch pedal (1), top board (1-2), return spring (2), clevis (3), clutch pull rod (4), power-assisted oil cylinder (5), filler opening (6), oil outlet (7), return opening (8), sprue (9), Returnning spring (10), valve rod (11), oil duct (11-2), safety valve passage (11-3), hold out against screw (11-4), safety valve spring (11-5), safety valve (11-6), horn mouth (11-7), oil return cavity (12), epicoele (13), cavity of resorption (14), piston rod (15), throttle valve (15-2), nose cone (15-3), piston (15-4), contiguous block (15-5), oilhole (16) is formed, it is characterized in that: clutch pedal (1) is connected with the fixed support of operator cabin by return spring (2), the top board (1-2) of clutch pedal (1) is arranged in U-shaped clevis (3), the U-shaped mouth of clevis (3) is connected with clutch pull rod (4) by connecting pin, and the middle part of clevis (3) is connected with the piston rod (15) of power-assisted oil cylinder (5), power-assisted oil cylinder (5) sets gradually filler opening (6) from the bottom to top, oil outlet (7), return opening (8), filler opening (6) and turn between constant flow pump delivery outlet flexible pipe is set, between oil outlet (7) and hydraulic steering gear filler opening, flexible pipe is set, return opening (8) and turn between constant flow pump fuel tank filler opening flexible pipe is set, power-assisted oil cylinder (5) top arranges hanger, in power-assisted oil cylinder (5), middle part arranges sprue (9), power-assisted oil cylinder (5) interior sprue (9) top forms oil return cavity (12), the endoporus of sprue (9) arranges valve rod (11), between one end of power-assisted oil cylinder (5) inner piston rod (15) and piston (15-4), contiguous block (15-5) is set, described piston rod (15), contiguous block (15-5) and piston (15-4) integrally formed, described piston (15-4) is arranged between power-assisted oil cylinder (5) inwall and valve rod (11), the bilateral symmetry of contiguous block (15-5) arranges oilhole (16), cavity of resorption (14) is formed between contiguous block (15-5) and power-assisted oil cylinder (5) inwall, Returnning spring (10) is set between power-assisted oil cylinder (5) interior sprue (9) and piston (15-4), Returnning spring (10) is arranged on the periphery of valve rod (11), sprue (9), epicoele (13) is formed between piston (15-4) and valve rod (11) periphery, described filler opening (6) is communicated with cavity of resorption (14), oil outlet (7) is communicated with epicoele (13), return opening (8) is communicated with oil return cavity (12), in described valve rod (11), oil duct (11-2) is set, valve rod (11) internal oil channel (11-2) top arranges safety valve passage (11-3), valve rod (11) top bilateral symmetry arranges oilhole (16), described oilhole (16) is communicated with safety valve passage (11-3), the diameter of described safety valve passage (11-3) is greater than the diameter of oil duct (11-2), from top to bottom set gradually in safety valve passage (11-3) and hold out against screw (11-4), safety valve spring (11-5), safety valve (11-6), valve rod (11) below bilateral symmetry arranges oilhole (16), described oilhole (16) is communicated with oil duct (11-2), the inner chamber activity of described piston rod (15) arranges throttle valve (15-2), one end of throttle valve (15-2) is given prominence to piston rod (15) and is contacted with top board (1-2), the other end is given prominence to piston rod (15) and is arranged nose cone (15-3), and described valve rod (11) below corresponding circle conehead (15-3) arranges horn mouth (11-7).
2. the operating method of a kind of tractor clutch Effector with hydraulic booster according to claim 1, it is characterized in that: when clutch pedal (1) is not operated, throttle valve (15-2) is in open mode, the hydraulic oil in constant flow pump is turned to enter cavity of resorption (13) through filler opening (6), flow in piston (15-4) from the oilhole (16) of contiguous block (15-5), upwards enter the oil duct (11-2) of valve rod (11), oilhole (16) through both sides, valve rod (11) below enters epicoele (13), hydraulic steering gear is flowed into through oil outlet (7), the oil pressure flowing into filler opening (6) is less than 3 MPas, power-assisted oil cylinder (5) interior epicoele (13) is equal with the oil pressure of cavity of resorption (14), the pressure in power-assisted oil cylinder (5) is made to keep state of equilibrium.
3. the operating method of a kind of tractor clutch Effector with hydraulic booster according to claim 1, it is characterized in that: when normally using, pin stepping on clutch pedal (1), the top board (1-2) of clutch pedal (1) throttle valve (15-2) upwards in jack-up piston rod (15), throttle valve (15-2) is in semi-closed state, the nose cone (15-3) of throttle valve (15-2) upwards enters the horn mouth (11-7) of valve rod (11), the oil pressure entering filler opening (6) is 3 ~ 10 MPas, the flow that hydraulic oil in piston (15-4) enters valve rod (11) internal oil channel (11-2) reduces, the flow flowed in epicoele (13) reduces, oil pressure in cavity of resorption (14) is increased, promote piston (15-4) to move up along power-assisted oil cylinder (5) inwall, piston (15-4) drives piston rod (15) to move up, piston rod (15) drives clutch pull rod (4) generation pulling force upwards by clevis (3), throttle valve (15-2) moves up and down the flow controlling to flow into oil duct (11-2) and produces different thrust, nose cone (15-3) is when horn mouth (11-7), oil pressure in cavity of resorption (14) increases and increases the thrust of piston (15-4), when nose cone (15-3) is away from horn mouth (11-7), oil pressure in cavity of resorption (14) reduces to reduce the thrust of piston (15-4), the elasticity coefficient of described Returnning spring (10) is 1.58N/mm-1.54N/mm, when cavity of resorption (14) interior oil pressure is greater than epicoele (13) interior oil pressure, the thrust of cavity of resorption (14) interior oil pressure to piston (15-4) is greater than Returnning spring (10) to the elastic force of piston (15-4), piston (15-4) moves up, when cavity of resorption (14) interior oil pressure is less than or equal to epicoele (13) interior oil pressure, the thrust of cavity of resorption (14) interior oil pressure to piston (15-4) is less than Returnning spring (10) to the elastic force of piston (15-4), Returnning spring (10) promotes piston (15-4) and resets downwards, and piston rod (15) and clevis (3) make clutch pull rod (4) set back downwards.
4. the operating method of a kind of tractor clutch Effector with hydraulic booster according to claim 1, it is characterized in that: when turning to, steering wheel is killed, hydraulic oil in hydraulic steering gear stops flowing out, the hydraulic oil in epicoele (13) is made to stop flowing to hydraulic steering gear, the oil pressure entering filler opening (6) is greater than 12 MPas, cavity of resorption (14), oil pressure in epicoele (13) and oil duct (11-2) increases along with the increase of filler opening (6) oil pressure, the thrust of oil pressure in oil duct (11-2) to safety valve (11-6) is greater than safety valve spring (11-5) to the elastic force of safety valve (11-6), safety valve (11-6) is moved up along safety valve passage 11-5 inwall, hydraulic oil in oil duct (11-2) flows into safety valve passage 11-5, oil return inner chamber (12) is flowed into through oilhole (16), flow into from return opening (8) and turn to constant flow pump fuel tank, steering wheel goes back to, when the oil pressure entering filler opening (6) is less than 12 MPa, the thrust of oil pressure in oil duct (11-2) to safety valve (11-6) is less than safety valve spring (11-5) to the elastic force of safety valve (11-6), safety valve spring (11-5) promotes safety valve (11-6) and sets back downwards, the hydraulic oil in oil duct (11-2) is made to stop flowing into safety valve passage 11-5, the elasticity coefficient of described safety valve spring (11-5) is 2.11N/mm-2.0N/mm, simultaneously, hydraulic oil in hydraulic steering gear normally flows out, hydraulic oil in epicoele (13) is normally flowed to hydraulic steering gear, power-assisted oil cylinder reverts to normal operating condition in (5).
5. the operating method of a kind of tractor clutch Effector with hydraulic booster according to claim 1, it is characterized in that: the sliding stroke of the piston (15-4) of described piston rod (15) is 59mm-60mm, and the distance between valve rod (11) lower end and contiguous block (15-5) end face is 58.5mm-59.5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110056.7A CN104728309B (en) | 2015-03-06 | 2015-03-06 | A kind of operating method of the tractor clutch manipulation device with hydraulic booster |
| PCT/CN2015/081160 WO2016141638A1 (en) | 2015-03-06 | 2015-06-10 | Operation method for tractor clutch operation device having hydraulic assistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110056.7A CN104728309B (en) | 2015-03-06 | 2015-03-06 | A kind of operating method of the tractor clutch manipulation device with hydraulic booster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728309A true CN104728309A (en) | 2015-06-24 |
| CN104728309B CN104728309B (en) | 2017-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510110056.7A Active CN104728309B (en) | 2015-03-06 | 2015-03-06 | A kind of operating method of the tractor clutch manipulation device with hydraulic booster |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104728309B (en) |
| WO (1) | WO2016141638A1 (en) |
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| CN106050982A (en) * | 2016-07-22 | 2016-10-26 | 郑月光 | Non-destructive additional installation assistance device for clutches |
| CN106224407A (en) * | 2016-07-18 | 2016-12-14 | 洛阳市伟林液压机械有限公司 | A kind of tractor clutch operating mechanism of band hydraulic booster |
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| CN108312845A (en) * | 2018-02-05 | 2018-07-24 | 洛阳市伟林液压机械有限公司 | A kind of the tractor clutch pull rod adjusting apparatus and method of hydraulic auto adjusting |
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| CN108843703B (en) * | 2018-08-24 | 2023-11-07 | 玉环奥恒机械有限公司 | Hydraulic booster |
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| FR2889570B1 (en) * | 2005-08-04 | 2007-10-26 | Peugeot Citroen Automobiles Sa | ASSISTING DEVICE FOR THE HYDRAULIC CONTROL OF A CLUTCH, IN PARTICULAR A MOTOR VEHICLE. |
| CN101240822A (en) * | 2008-02-28 | 2008-08-13 | 曾忠莉 | Clutch assistor for car |
| CN102213280A (en) * | 2010-04-01 | 2011-10-12 | 李立军 | Double-section automobile clutch master cylinder |
| CN102345692A (en) * | 2011-09-27 | 2012-02-08 | 芜湖市安芜汽车制动元件有限公司 | Force-assisting system of automobile clutch |
| CN202463578U (en) * | 2012-01-15 | 2012-10-03 | 福田雷沃国际重工股份有限公司 | Hydraumatic-power-assisted tractor clutch controlling mechanism |
| CN203214707U (en) * | 2013-03-14 | 2013-09-25 | 瑞立集团瑞安汽车零部件有限公司 | Clutch master pump and clutch assembly provided with same |
| CN103307135B (en) * | 2013-06-28 | 2015-09-30 | 盐城平安机械有限公司 | A kind of clutch system |
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2015
- 2015-03-06 CN CN201510110056.7A patent/CN104728309B/en active Active
- 2015-06-10 WO PCT/CN2015/081160 patent/WO2016141638A1/en active Application Filing
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| CN105387025A (en) * | 2015-12-14 | 2016-03-09 | 贵州红林机械有限公司 | Device for measuring moving stroke and thrust of booster cylinder |
| CN105387025B (en) * | 2015-12-14 | 2017-08-29 | 贵州红林机械有限公司 | Power-assisted cylinder moving stroke and thrust-measuring device |
| CN106224407A (en) * | 2016-07-18 | 2016-12-14 | 洛阳市伟林液压机械有限公司 | A kind of tractor clutch operating mechanism of band hydraulic booster |
| CN106050982A (en) * | 2016-07-22 | 2016-10-26 | 郑月光 | Non-destructive additional installation assistance device for clutches |
| CN108105279A (en) * | 2016-11-25 | 2018-06-01 | 舍弗勒技术股份两合公司 | Clutch release mechanism and clutch master cylinder |
| CN108105279B (en) * | 2016-11-25 | 2021-02-12 | 舍弗勒技术股份两合公司 | Clutch release mechanism and clutch master cylinder |
| CN108312845A (en) * | 2018-02-05 | 2018-07-24 | 洛阳市伟林液压机械有限公司 | A kind of the tractor clutch pull rod adjusting apparatus and method of hydraulic auto adjusting |
| WO2019148602A1 (en) * | 2018-02-05 | 2019-08-08 | 洛阳市伟林液压机械有限公司 | Tractor clutch pull rod adjusting device having hydraulic automatic adjusting function, and method |
| CN108312845B (en) * | 2018-02-05 | 2023-06-27 | 洛阳市伟林液压机械有限公司 | Hydraulic automatic-adjustment tractor clutch pull rod adjusting device and method |
| CN113153933A (en) * | 2021-04-14 | 2021-07-23 | 山东悍沃农业装备有限公司 | Hydraulic clutch power assisting device of tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016141638A1 (en) | 2016-09-15 |
| CN104728309B (en) | 2017-08-22 |
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