CN103644327A - Oil charge and discharge control valve for coupler - Google Patents
Oil charge and discharge control valve for coupler Download PDFInfo
- Publication number
- CN103644327A CN103644327A CN201310480167.8A CN201310480167A CN103644327A CN 103644327 A CN103644327 A CN 103644327A CN 201310480167 A CN201310480167 A CN 201310480167A CN 103644327 A CN103644327 A CN 103644327A
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- Prior art keywords
- oil
- valve
- piston
- coupler
- valve body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
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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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to an oil charge and discharge control valve for a coupler. The oil charge and discharge control valve comprises a valve body, an oil inlet, an oil return port, an oil charge port, an oil discharge port and an air inlet of high-pressure air are formed in the valve body, the oil inlet and the oil return port are connected with an oil tank, the oil charge port is connected with the coupler, the oil discharge port is connected with an oil discharge groove of the coupler, a piston, a control slide valve and a resetting spring are arranged in the valve body, an air chamber is formed in the top of the piston, the air inlet is communicated with the air chamber, the piston is connected with the top of the control slide valve, the resetting spring is connected to the control slide valve, the piston and the control slide valve are in sliding connection with the inner wall of the valve body, and the oil inlet, the oil return port, the oil charge port and the oil discharge port are selectively communicated or disconnected through the movement of the control slide valve. The overall structure of the oil charge and discharge control valve is simple, work oil flows continuously in a circulating mode in the work process, system oil pressure can be balanced, a liquid coupler is made to work stably and reliably, it is guaranteed that a cooling fan only rotates at two rotating speeds of rated speed and running-down speed, and the control mode of the cooling fan is simpler.
Description
Technical field
The present invention relates to a kind of coupler driving for IC. engine cooling fan, the coupler that particularly fills oil extraction work for controlling coupler fills oil extraction control valve.
Background technique
At present, heavy duty has generally been equipped with cooling fan, be internal combustion engine start, cooling fan starts immediately, in the prior art, cooling fan generally has following two kinds of driving mode, a kind of is that motor drives, and utilize motor direct-drive cooling fan, but electrical fault rate is higher, and cost is high, be subject to the impact of vehicle operating natural environment and climate larger; Another kind is that hydrostatic pressure system drives, and utilize hydrostatic pump and hydrostatic pressure system to connect and control hydrostatic motor, then drive cooling fan by hydrostatic motor, but this drive system pipeline is numerous and diverse, and supplementary equipment is many, and rate of fault is high.At present, also there is the fluid coupling of employing transmitting torque, to drive cooling fan, by controlling the work of oil-filled, the oil extraction of coupler and liquid filled ratio being controlled to fluid coupling, and then realize cooling fan unlatching, stop and the automatic operation of speed governing, but in prior art, the control mode of cooling fan is comparatively complicated, correspondingly for controlling coupler, to fill the structure of filling oil extraction control valve of oil extraction also more complicated.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of overall structure simple, and the coupler that coupler control mode is more simplified fills oil extraction control valve.
For achieving the above object, technological scheme of the present invention is:
A kind of coupler fills oil extraction control valve, comprise valve body, on described valve body, be provided with the filler opening and the return opening that are connected with fuel tank, the oil-filled mouth being connected with coupler, the oil drain out being connected with coupler oil-discharge trough and the suction port of high-pressure air, in described valve body, be provided with piston, control guiding valve and Returnning spring, top at described piston has air cavity, described suction port is communicated with described air cavity, described piston is connected with the top of described control guiding valve, described Returnning spring is connected on described control guiding valve, between described piston and control guiding valve and the inwall of described valve body, be slidably connected, described filler opening, return opening, between oil-filled mouth and oil drain out, by the movement of described control guiding valve, be optionally communicated with or disconnect.
Further, in the periphery of described control guiding valve, be provided with a plurality of grooves, described groove will described filler opening when described control guiding valve moves, be optionally communicated with or disconnect between return opening, oil-filled mouthful and oil drain out.
Further, described groove radially arranges ringwise along described control guiding valve, and correspondingly, described filler opening, return opening, oil-filled mouth, oil drain out evenly arrange a plurality of along the border of described valve body respectively.
Further, on described valve body, also offer for reacting the adjusting mouth of oil pressure.
Further, described control guiding valve is comprised of middle core bar and the slide valve that is set in described core bar periphery, described Returnning spring is set on described core bar, the bottom of described piston stretches to the top of described slide valve and the top of described core bar is fixedly connected with, a sheathed pressure spring between described piston and described slide valve.
Further, extend an annular boss on described core bar, in the bottom of described core bar, spring seat is set, on the fixing day described valve body of described spring seat, described Returnning spring is arranged between described annular boss and spring seat.
Further, in the bottom of described piston, have a T-slot, have a T shape head at the top of described core bar, described T shape head is stuck in and in described T-slot, realizes being fixedly connected with of described core bar and described piston.
Further, at least one ringwise seal groove is set in the periphery of described piston, in described seal groove, seal ring is set.
Further, have a dismountable gland at the top of described valve body, described suction port is opened on described gland.
Further, on institute's gland, be provided with the through hole being communicated with described body cavity, described through hole arranges a screw plug.
Content to sum up, a kind of coupler of the present invention fills oil extraction control valve, overall structure is simple, only need to be by the moving up and down of guiding valve, make groove on guiding valve that filler opening, return opening, oil-filled mouthful and oil drain out are optionally communicated with or are disconnected, realized oil-filled work and the running down work of coupler, and working oil in the course of the work, constantly circulate, guarantee system oil pressure balance, make hydraulic coupler rotor reliable and stable.Meanwhile, the control of filling oil extraction control valve is also very simple, and the electric pneumatic valve of only need to connecting on high-pressure blast pipeline, realizes to control valve air feed by the switch of electric pneumatic valve, thereby realizes the action of control valve.Therefore guarantee that cooling fan, only with rated speed and two kinds of rotating speeds of running down, makes the control mode of cooling fan more simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of control valve of the present invention under off working state;
Fig. 2 is the structural representation of control valve of the present invention under in working order.
As depicted in figs. 1 and 2, valve body 1, piston 2, controls guiding valve 3, Returnning spring 4, gland 5, bolt 6, filler opening 7, return opening 8, oil-filled mouthful 9, oil drain out 10, suction port 11, air cavity 12, core bar 13, slide valve 14, annular boss 15, spring seat 16, lock ring 17, T-slot 18, T shape 19, convex edge 20, pressure spring 21, groove 22, seal groove 23, seal ring 24, screw plug 25, drain hole 27, regulates mouth 28.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of coupler provided by the invention fills oil extraction control valve, comprise valve body 1, valve body 1 is fixed in the control valve fitting seat (not shown) of coupler, in valve body 1, be provided with piston 2, control guiding valve 3 and Returnning spring 4, the bottom of piston 2 is connected with the top of controlling guiding valve 3, and piston 2 drives control guiding valve 3 to move, and between piston 2 and control guiding valve 3 and the inwall of valve body 1, is slidably connected.At the top of valve body 1, have a dismountable gland 5, gland 5 compresses valve body 1 and is fixedly connected on control valve fitting seat by bolt 6.
On valve body 1, being provided with the filler opening 7 being connected with coupler is connected with return opening 8, with the filler opening of fluid coupling for the oil-filled mouth 9 to fluid coupling fuel feeding and for the oil drain out 10 discharged to fuel tank by the working oil in fluid coupling, oil drain out 10 is connected with the oil-discharge trough (not shown) of fluid coupling, is also provided with the suction port 11 of high-pressure air on valve body 1.Wherein, suction port 11 is opened on gland 5, and suction port 11 is connected with source of high pressure air by air pipe line, at the top of piston 2, have air cavity 12, suction port 11 is communicated with air cavity 12, after high-pressure air is entered by suction port 11, promote piston 2 downwards, piston 2 promotes to control guiding valve 3 again.Between filler opening 7, return opening 8, oil-filled mouth 9 and oil drain out 10, by controlling moving up and down of guiding valve 3, be optionally communicated with or disconnect.
Controlling guiding valve 3 is comprised of middle core bar 13 and the slide valve 14 that is set in core bar 13 peripheries, sheathed Returnning spring 4 on core bar 13, core bar 13 plays a part to the Returnning spring 4 that leads, at the middle part of core bar 13, extend an annular boss 15, in the bottom of core bar 13, spring seat 16 is set, Returnning spring 4 is arranged between annular boss 15 and spring seat 16, spring seat 16 plays the effect of supporting Returnning spring 4, between spring seat 16 and core bar 13 bottoms, by lock ring 17, be connected, avoid both to throw off, spring seat 16 and valve body 1 lower end surface withstand on the upper-end surface of coupling transmission case casing by the guiding of core bar 13 and control valve fitting seat, the inside of spring seat 16 is hollow, move up and down to core bar 13 and reserve enough spaces.
The top that the bottom of piston 2 stretches to slide valve 14 is fixedly connected with the top of core bar 13, in the middle of the bottom of piston 2, there is a T-slot 18, at the top of core bar 13, have a T shape 19, T shape 19 is stuck in that T-slot 18 is interior realizes being fixedly connected with between core bar 13 and piston 2.The bottom of piston 2 is T shape structure, and the top of slide valve 14 has the convex edge 20 of extending to central axis, and the T shape structure of piston 2 bottoms is stuck in convex edge 20.When Returnning spring 4 resets, promote core bar 13 and move up, then drive piston 2 and slide valve 14 to move up together, return to original position.A sheathed pressure spring 21 between piston 2 and slide valve 14, when piston 2 moves down, under the effect of pressure spring 21, promote slide valve 14 and move down, the elastic force of pressure spring 21 and the pressure of high-pressure air match, and determine that piston 2 moves required initial pressure.
In the periphery of controlling the slide valve 14 of guiding valve 3, be provided with a plurality of grooves 22, each groove 22 radially arranges ringwise along slide valve 14, three grooves 22 from top to bottom be arranged in parallel, return opening 8, filler opening 7, oil-filled mouthful 9, oil drain out 10 is also that four rows are set from top to bottom, return opening 8, filler opening 7, oil-filled mouthful 9, oil drain out 10 evenly arranges 2-6 along the border of valve body 1 respectively, in the present embodiment, return opening 8, filler opening 7, oil-filled mouthful 9, oil drain out 10 all preferably adopts 6, due to groove 22 ringwise, so between 6 return openings 8, between 6 filler openings 7, between 6 oil-filled mouthful 9, between 6 oil drain outs 10, be communicated with mutually.Return opening 8, filler opening 7, oil-filled mouthful 9, oil drain out 10 communicate with the hole of the relevant position of control valve fitting seat respectively, then are communicated with fuel tank 3, fluid coupling etc. by the hole in control valve fitting seat.
At least one ringwise seal groove 23 is set in the periphery of piston 2, and at the interior seal ring 24 that arranges of seal groove 23, seal ring 24 plays the effect of sealing, guarantees that high-pressure air does not leak.
On gland 5, be provided with the through hole being communicated with valve body 1 inner chamber, through hole arranges a screw plug 25, when catching phenomenon appears in control guiding valve 3, screw plug 25 can be backed out, and with professional tool, by under piston 2 immediate roofs, makes to control guiding valve 3 actions and carries out oil-filled.
When assembling control valve, after piston 2, seal ring 24, Returnning spring 4, slide valve 14, core bar 13, pressure spring 21, spring seat 16, lock ring 17 etc. can being fitted together, be arranged on again in valve body 1, finally with gland 5, valve body 1 compressed and is fixed on control valve fitting seat by bolt 6.
The state of this control valve when coupler does not need oil-filled work be as shown in Figure 1:
Now, control guiding valve 3 in a state of nature, source of high pressure air disconnects, Returnning spring 4 and pressure spring 21 are all in initial position, the middle groove 22 that is positioned at of slide valve 14 peripheries is communicated with return opening 8 and filler opening 7, and the groove 22 of bottom separates oil-filled mouthful 9, and the oil drain out 10 of bottommost is also spaced, the working oil of coupler enters oil drain out 10 from oil-discharge trough flows out, then flows back to fuel tank from the drain hole 27 of control valve bottom.
Filler opening 7 no matter when oil-filled still not oil-filled all the time with next oily connection of gear oil pump, now, the working oil being entered in valve body 1 by filler opening 7 flows out through return opening 8, is back to again fuel tank, and can not enters in coupler.
The state of this control valve when coupler needs oil-filled work be as shown in Figure 2:
When coupler needs oil-filled work, connect source of high pressure air, high-pressure air enters in the air cavity 12 at piston 2 tops, under the pressure of high-pressure air from suction port 11, piston 2 moves down, promote core bar 13 and move down, Returnning spring 4 is compressed, simultaneously, when piston 2 moves down, under the effect of pressure spring 21, slide valve 14 also moves down, and groove 22 moves down thereupon.
When coupler quits work, source of high pressure air is cut off, under the effect of Returnning spring 4 resiliences, core bar 13 moves up, and promotes piston 2, slide valve 14 is moved upward to home position, now simultaneously, oil drain out 10 is opened, and makes the working oil in coupler get back to fuel tank through oil drain out 10.
Also offer for reacting the adjusting mouth 28 of oil pressure filling on the valve body 1 of oil extraction control valve, regulate mouth 28 can only arrange one, also can arrange along the border of valve body 1 a plurality of, the groove 22 of the topmost part with regulate mouthfuls 28 to be all communicated with when still oil-filled when oil-filled, as depicted in figs. 1 and 2, when the oil-filled work of coupler, when the too many and pressure of the work oil mass of coupler is larger, the working oil of coupler can throw away and enter in adjusting mouth 28, when if pressure is very large, entering the oil that regulates in mouthfuls 28 can be by slide valve 14 some distance of jack-up upwards, now, return opening 8 is connected a bit, be closed a bit for oil-filled mouthful 9, so a part of working oil can not flow to coupler, but flow back to fuel tank from return opening 8, and then the oil pressure of adjusting coupler.
As mentioned above, given scheme content, can derive similar technological scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a coupler fills oil extraction control valve, it is characterized in that: comprise valve body, on described valve body, be provided with the filler opening and the return opening that are connected with fuel tank, the oil-filled mouth being connected with coupler, the oil drain out being connected with coupler oil-discharge trough and the suction port of high-pressure air, in described valve body, be provided with piston, control guiding valve and Returnning spring, top at described piston has air cavity, described suction port is communicated with described air cavity, described piston is connected with the top of described control guiding valve, described Returnning spring is connected on described control guiding valve, between described piston and control guiding valve and the inwall of described valve body, be slidably connected, described filler opening, return opening, between oil-filled mouth and oil drain out, by the movement of described control guiding valve, be optionally communicated with or disconnect.
2. coupler according to claim 1 fills oil extraction control valve, it is characterized in that: the periphery at described control guiding valve is provided with a plurality of grooves, described groove will optionally be communicated with or disconnect between described filler opening, return opening, oil-filled mouth and oil drain out when described control guiding valve moves.
3. coupler according to claim 2 fills oil extraction control valve, it is characterized in that: described groove radially arranges ringwise along described control guiding valve, correspondingly, described filler opening, return opening, oil-filled mouth, oil drain out evenly arrange a plurality of along the border of described valve body respectively.
4. coupler according to claim 1 fills oil extraction control valve, it is characterized in that: on described valve body, also offer for reacting the adjusting mouth of oil pressure.
5. coupler according to claim 1 fills oil extraction control valve, it is characterized in that: described control guiding valve is comprised of middle core bar and the slide valve that is set in described core bar periphery, described Returnning spring is set on described core bar, the bottom of described piston stretches to the top of described slide valve and the top of described core bar is fixedly connected with, a sheathed pressure spring between described piston and described slide valve.
6. coupler according to claim 5 fills oil extraction control valve, it is characterized in that: on described core bar, extend an annular boss, bottom at described core bar arranges spring seat, and on the fixing day described valve body of described spring seat, described Returnning spring is arranged between described annular boss and spring seat.
7. coupler according to claim 5 fills oil extraction control valve, it is characterized in that: in the bottom of described piston, there is a T-slot, at the top of described core bar, have a T shape head, described T shape head is stuck in and in described T-slot, realizes being fixedly connected with of described core bar and described piston.
8. coupler according to claim 1 fills oil extraction control valve, it is characterized in that: at least one ringwise seal groove is set in the periphery of described piston, in described seal groove, seal ring is set.
9. coupler according to claim 1 fills oil extraction control valve, it is characterized in that: at the top of described valve body, have a dismountable gland, described suction port is opened on described gland.
10. coupler according to claim 9 fills oil extraction control valve, it is characterized in that: on institute's gland, be provided with the through hole being communicated with described body cavity, described through hole arranges a screw plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480167.8A CN103644327A (en) | 2013-10-14 | 2013-10-14 | Oil charge and discharge control valve for coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480167.8A CN103644327A (en) | 2013-10-14 | 2013-10-14 | Oil charge and discharge control valve for coupler |
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| Publication Number | Publication Date |
|---|---|
| CN103644327A true CN103644327A (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480167.8A Pending CN103644327A (en) | 2013-10-14 | 2013-10-14 | Oil charge and discharge control valve for coupler |
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| CN (1) | CN103644327A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472290A (en) * | 2017-08-10 | 2017-12-15 | 江苏今创车辆有限公司 | The control system of hydraulic braking |
| CN108413073A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of pilot operated directional control valve |
| CN108413074A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of insert type change-over valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057960U (en) * | 1989-05-30 | 1990-06-06 | 铁道部大连内燃机车研究所 | Cooling fan araanger of 190 diesel engine |
| CN201007292Y (en) * | 2007-02-13 | 2008-01-16 | 上海交通大学 | High flow rate electrohydraulic control valve |
| CN201496137U (en) * | 2009-09-01 | 2010-06-02 | 中国石油天然气集团公司 | Speed adjusting type fluid coupling transmission case applied to driving cooling fan of internal combustion engine |
| CN203548994U (en) * | 2013-10-14 | 2014-04-16 | 南车青岛四方机车车辆股份有限公司 | Oil charging and discharging control valve for coupler |
-
2013
- 2013-10-14 CN CN201310480167.8A patent/CN103644327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057960U (en) * | 1989-05-30 | 1990-06-06 | 铁道部大连内燃机车研究所 | Cooling fan araanger of 190 diesel engine |
| CN201007292Y (en) * | 2007-02-13 | 2008-01-16 | 上海交通大学 | High flow rate electrohydraulic control valve |
| CN201496137U (en) * | 2009-09-01 | 2010-06-02 | 中国石油天然气集团公司 | Speed adjusting type fluid coupling transmission case applied to driving cooling fan of internal combustion engine |
| CN203548994U (en) * | 2013-10-14 | 2014-04-16 | 南车青岛四方机车车辆股份有限公司 | Oil charging and discharging control valve for coupler |
Non-Patent Citations (1)
| Title |
|---|
| 李兵: "出口斯里兰卡内燃动车辅助驱动系统", 《内燃机与动力装置》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472290A (en) * | 2017-08-10 | 2017-12-15 | 江苏今创车辆有限公司 | The control system of hydraulic braking |
| CN108413073A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of pilot operated directional control valve |
| CN108413074A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of insert type change-over valve |
| CN108413073B (en) * | 2018-06-14 | 2019-05-07 | 合肥海源机械有限公司 | A kind of pilot operated directional control valve |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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Application publication date: 20140319 |