CN202441878U - High-gear low-gear speed-changing box electric hydraulic control speed change operating valve device - Google Patents
High-gear low-gear speed-changing box electric hydraulic control speed change operating valve device Download PDFInfo
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- CN202441878U CN202441878U CN2012200335590U CN201220033559U CN202441878U CN 202441878 U CN202441878 U CN 202441878U CN 2012200335590 U CN2012200335590 U CN 2012200335590U CN 201220033559 U CN201220033559 U CN 201220033559U CN 202441878 U CN202441878 U CN 202441878U
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Abstract
The utility model relates to a speed change operating valve for an engineering vehicle, in particular to a high-gear low-gear speed-changing box electric hydraulic control speed change operating valve device and mainly resolves the problems that in the prior art, operating valve performance is poor, gear-shifting shock is high, disorder gears and mixed gears exist, and failure rate is high and therefore a matched speed-changing box can not meet the technical requirements of high performance, high efficiency, excellent manipulation performance and the like. The high-gear low-gear speed-changing box electric hydraulic control speed change operating valve device comprises a hydraulic control speed change operating valve and is characterized in that an upper clapboard (2), an oil transportation board (3), a lower clapboard (4) and a transition seat (5) are sequentially connected with the lower portion of the hydraulic control speed change operating valve (1), an electric control system is connected with the operating valve and the hydraulic control speed change operating valve comprises a decompression device, a balance device, a gear-shifting mechanism, a magnetic valve device and a main hypertension line overload protection device.
Description
Technical field
The utility model relates to a kind of engineering vehicle speed change control valve, especially relates to a kind of high and low shift gearbox electrichydraulic control speed change control valve device.
Background technique
The speed change control valve that BS428 gearbox in the present ZL20/30 loader transmission system uses basically is the two last mechanical gear shift of falling fixed shaft type structures, and its traditional machine liquid gearshift structure gear is few, and operation labor intensity is big.Chinese patent discloses a kind of gearbox electricity liquid Effector (notice of authorization number: CN201314373); It is to be made up of gearshift actuator and shifting control system; Gearshift actuator is provided with input shaft and casing and clutch, and input shaft connects engine power, and the first retaining clutch is connected on the input shaft; The parallel jack shaft of input shaft and reverse gear shaft and output shaft are set on the casing; Connect the second retaining clutch and bottom gear clutch on the jack shaft, connect the R retaining clutch that falls back on the reverse gear shaft, connection H top gear clutch on the output shaft; Shifting control system is by connecting four electrically-controlled valve on the electric liquid control valve; Power connection and reversing caution joint are set on the controller; Four electrically-controlled valve are through on lead connection and the controller, and shift handle is connected on the controller, handle electric liquid control valve action through electrically-controlled valve.But because control valve poor performance, shifting shock are big, random shelves string shelves, rate of fault is high, makes the gearbox supporting with it can not realize high-performance, high efficiency, excellent handling technical requirements.
The model utility content
The utility model provides a kind of high and low shift gearbox electrichydraulic control speed change control valve device; It mainly is that solution existing in prior technology control valve poor performance, shifting shock are big; Random shelves string shelves; Rate of fault is high, makes the gearbox supporting with it can not realize the technical problem of high-performance, high efficiency, excellent handling technical requirements etc.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of high and low shift gearbox electrichydraulic control speed change control valve device of the utility model; Comprise electrichydraulic control speed change control valve; The bottom of described electrichydraulic control speed change control valve is connected with upper clapboard, oil transportation plate, lower clapboard, transition seat in turn; Control valve is connected with electronic control system, and electrichydraulic control speed change control valve is made up of decompressor, Equilibrator, gearshift mechanism, electromagnetic valve device, working connection overload protection arrangement.Conversion through the optimal design and the gear electronic control logical relation of transition seat oil circuit; Through the assembled arrangement of oil circuit, can realize the electrichydraulic control of 2 bottom gears that advance of high and low shift gearbox, 2 top gears that advance, 1 top gear that falls back, 1 bottom gear that falls back.
As preferably, described decompressor comprises the oil suction chamber that is located on the valve body, and the oil suction chamber place is provided with the decompression valve rod; The decompression valve rod is provided with pressurized hole, is set with the supercharging ring on the stem head in the pressurized hole outside, in the decompression valve rod decompression big spring is housed; Be provided with the decompression little spring in the decompression big spring, decompressor is communicated with Equilibrator through the valve body oil groove, and Equilibrator includes the balance valve rod; Balance valve rod string dress balance spring, the outer suit equilibrium valve cover of balance spring returns valve rod with also being equipped with in the valve opening of equilibrium valve substantially horizontal; Return valve stem casing return spring is housed, the outside of each valve rod is fixed by cover plate for sealing pad and cover plate.The hydraulic power of oil pump input gets into oil suction chamber by the control valve filler opening, pressure oil from the pressurized hole of reduction valve get into the supercharging ring between form high pressure, promote reduction valve compression relief spring, make reduction valve unlatching return opening, main oil pressure is set to range of working pressure.Decompression when Equilibrator is the control gear switch, the process of boosting reach steady, the flexible characteristic of boosting.
As preferably; Described electronic control system comprises electronic controller; Electrichydraulic control speed change control valve is provided with the aviation socket; Electronic controller is connected with the aviation socket, and the output interface of electronic controller is connected with gear selector through wire harness, and the input interface of electronic controller is connected with the vehicle electrically controlling power supply.Electronic controller is programmable.The neutral position of gear selector operating grip is N shelves (neutral gears), and it is lower gear (the I-IV shelves advance) that handle pushes away before the neutral position, and handle is R shelves (the I-II shelves fall back) from neutral position toward a post-tensioning.By gear selector the work gear is set during work, through the conversion of electronic controller logical relation, the work of control M1-M4 solenoid valve.Electronic control system application 2 4V voltage, the applied voltage of electronic control system and solenoid valve also can require in the safety voltage scope, to design according to main frame.
As preferably, described gearshift mechanism includes and returns the valve opening that the valve level is arranged, and is provided with first limiting stopper and first card in the middle of the valve opening; First limiting stopper is stuck in valve opening is separated; Adorn the 3rd shift valve in the first limiting stopper right side valve opening, adorn the 3rd gear shift spring in the 3rd shift valve, adorn first shift valve in the valve opening of first limiting stopper left side; Adorn the first gear shift spring in first shift valve, first shift valve outside is provided with first block and fixes; Return and be provided with second limiting stopper and second card in the valve opening, second limiting stopper is stuck in makes the valve opening separation in the valve opening groove, second shift valve and the second gear shift spring are equipped with in second limiting stopper left side, and second shift valve outside is provided with second block and fixes; The decompression valve opening is provided with the 3rd card separates valve opening, and the 4th shift valve and the 4th gear shift spring are equipped with in the 3rd card left side, and the 4th shift valve outside is provided with the 4th block and fixes.Gearshift is controlled by electronic control system and electromagnetic valve device, does quantitative, directed moving by the gearshift spool by instruction during work, to gearbox work shelves delivery hydraulic pressure ability.
As preferably, described electromagnetic valve device comprises 4 solenoid valves, and solenoid valve is fixing by lock ring, case, seal ring protection, and solenoid valve connects the aviation socket with lead.During work by M1, M2, M3, M4 electromagnetic valve gear shift spool quantitatively, directed moving, realize switching, the control of electric each gear of liquid speed change control valve.
As preferably; Described working connection overload protection arrangement includes Safety valve body; Be provided with the safety valve lining in the Safety valve body, be provided with safety lever in the safety valve lining, safety lever is connected with safety valve spring; The safety valve return opening is located at the Safety valve body afterbody, is communicated with an excessive seat return opening through return tube.There is the safety valve oil circuit to be communicated with in the safety valve with the control valve oil suction chamber.The main oil pressure of electricity liquid speed change control valve is located at 1.1-1.5 MPa; Also can require to set main oil pressure according to different main frames, the cracking pressure of safety valve be set in 1.5 times of main oil pressure, when decompressor lost efficacy or gearbox oil return obstruction; Main oil pressure moment surpasses when setting pressure limiting; Safety valve is opened release automatically, and oil return is connected to the transition seat from Safety valve body and passes back into gearbox, guarantees the safe handling of gearbox hydraulic system.
As preferably; The decompression return opening of described electrichydraulic control speed change control valve is located at transition seat side; Be connected with torque-converters filler opening oil pipe; Transition seat bottom surface is established the pouring hydraulic fluid port and is connected with speed changer cooling hydraulic fluid port, and the transition seat is provided with the lubricant oil interface, and three lubricated hydraulic fluid ports that are connected to transition seat bottom through oil circuit in the transition seat dock with the gear-box lubricating oil mouth.The actuator port of 5 butt joint gearbox clutches is established in transition seat bottom surface, and the working oil path on the electric liquid speed change control valve is connected on the transition seat through upper and lower dividing plate, oil transportation plate, and the design of putting up a bridge is docked with each hydraulic fluid port of gearbox clutch.
Therefore; The utlity model has decompression equilibrium function, main oil pressure overload protection function, electrichydraulic control gear shift function and electronic control function; Realize the long-range electrichydraulic control of control valve, through gear selector operation gear, the control shift valve is quantitative, directed to be moved; Carrying out hydraulic pressure through oil transportation plate, transition seat oil circuit can transmit and be communicated to the gearbox internal clutch; Realize the switching of different gears by the engagement of clutch, have handle comfortable, gear shift reliable, the characteristics of security of system, efficient work, realized the integrated control of electric liquid of multi-functional, many gears, high low speed.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the utility model;
Accompanying drawing 3 is Facad structure schematic representation of oil transportation plate;
Accompanying drawing 4 is reverse side structural representations of oil transportation plate;
Accompanying drawing 5 is Facad structure schematic representation of transition seat;
Accompanying drawing 7 is structural representations of upper clapboard;
Accompanying drawing 8 is structural representations of lower clapboard.
Component among the figure; Position and numbering: electrichydraulic control speed change control valve 1; Upper clapboard 2; Oil transportation plate 3; Lower clapboard 4; Transition seat 5; Oil suction chamber 6; Decompression valve rod 7; Pressurized hole 8; Supercharging ring 9; Decompression big spring 10; Decompression little spring 11; Balance valve rod 12; Balance spring 13; Balance valve pocket 14; Return valve rod 15; Return spring 16; Cover plate for sealing pad 17; Cover plate 18; Electronic controller 19; Aviation socket 20; Wire harness 21; Gear selector 22; First limiting stopper 23; First card 24; The 3rd shift valve 25; The 3rd gear shift spring 26; First shift valve 27; The first gear shift spring 28; First block 29; Second limiting stopper 30; Second card 31; Second shift valve 32; The second gear shift spring 33; Second block 34; The 3rd card 35; The 4th shift valve 36; The 4th gear shift spring 37; The 4th block 38; Lock ring 39; Case 40; Seal ring 41; Solenoid valve 42; Safety valve body 43; Safety valve lining 44; Safety valve spring 45; Lead 46; Safety lever 47.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technological scheme of the utility model.
Embodiment: a kind of high and low shift gearbox electrichydraulic control speed change control valve device of this example; Like Fig. 1, Fig. 4, Fig. 7, Fig. 8, comprise electrichydraulic control speed change control valve, the bottom of electrichydraulic control speed change control valve 1 is connected with upper clapboard 2, oil transportation plate 3, lower clapboard 4, transition seat 5 in turn; Control valve is connected with electronic control system; Electronic control system comprises electronic controller 19, and electrichydraulic control speed change control valve is provided with aviation socket 20, and electronic controller is connected with the aviation socket; The output interface of electronic controller is connected with gear selector 22 through wire harness 21, and the input interface of electronic controller is connected with the vehicle electrically controlling power supply.Electrichydraulic control speed change control valve is made up of decompressor, Equilibrator, gearshift mechanism, electromagnetic valve device, working connection overload protection arrangement.
Like Fig. 2, decompressor comprises the oil suction chamber 6 that is located on the valve body, and the oil suction chamber place is provided with decompression valve rod 7; The decompression valve rod is provided with pressurized hole 8, is set with supercharging ring 9 on the stem head in the pressurized hole outside, and decompression big spring 10 is housed in the decompression valve rod; Be provided with decompression little spring 11 in the decompression big spring, decompressor is communicated with Equilibrator through the valve body oil groove, and Equilibrator includes balance valve rod 12; Balance valve rod string dress balance spring 13, the outer suit equilibrium valve cover 14 of balance spring returns valve rod 15 with also being equipped with in the valve opening of equilibrium valve substantially horizontal; Return valve stem casing return spring 16 is housed, the outside of each valve rod is fixing with cover plate 18 by cover plate for sealing pad 17.
Gearshift mechanism includes and returns the valve opening that the valve level is arranged; Be provided with first limiting stopper 23 and first card 24 in the middle of the valve opening, first limiting stopper be stuck in make the valve opening separation in the valve opening groove, adorn the 3rd shift valve 25 in the first limiting stopper right side valve opening; Adorn the 3rd gear shift spring 26 in the 3rd shift valve; Adorn in the valve opening of first limiting stopper left side and adorn the first gear shift spring, 28, the first shift valves outside in first shift valve, 27, the first shift valves to be provided with first block 29 fixing; Return and be provided with second limiting stopper 30 and second card 31 in the valve opening, second limiting stopper is stuck in valve opening is separated, second limiting stopper left side is equipped with second shift valve 32 and is provided with second block 34 with the second gear shift spring, 33, the second shift valves outside and fixes; The decompression valve opening is provided with the 3rd card 35 separates valve opening, and the 3rd card left side is equipped with the 4th shift valve 36 and is provided with the 4th block 38 with the 4th gear shift spring 37, the four shift valves outside and fixes.
Electromagnetic valve device comprises 4 solenoid valves 42, and solenoid valve is fixed by lock ring 39, case 40, seal ring 41 protection, and solenoid valve connects aviation sockets 20 with lead 46.
The working connection overload protection arrangement includes Safety valve body 43; Be provided with safety valve lining 44 in the Safety valve body, be provided with safety lever 47 in the safety valve lining, safety lever is connected with safety valve spring 45; The safety valve return opening is located at the Safety valve body afterbody, is communicated with an excessive seat return opening through return tube.
Like Fig. 5, Fig. 6; The decompression return opening of electrichydraulic control speed change control valve 1 is located at transition seat 5 sides; Be connected with torque-converters filler opening oil pipe; Transition seat bottom surface is established the pouring hydraulic fluid port and is connected with speed changer cooling hydraulic fluid port, and the transition seat is provided with the lubricant oil interface, and three lubricated hydraulic fluid ports that are connected to transition seat bottom through oil circuit in the transition seat dock with the gear-box lubricating oil mouth.
The above is merely the specific embodiment of the utility model; But the structure characteristic of the utility model is not limited thereto; Any those skilled in the art is in the field of the utility model, and variation of being done or modification all are encompassed among the claim of the utility model.
Claims (7)
1. high and low shift gearbox electrichydraulic control speed change control valve device; Comprise electrichydraulic control speed change control valve; The bottom that it is characterized in that described electrichydraulic control speed change control valve (1) is connected with upper clapboard (2), oil transportation plate (3), lower clapboard (4), transition seat (5) in turn; Control valve is connected with electronic control system, and electrichydraulic control speed change control valve is made up of decompressor, Equilibrator, gearshift mechanism, electromagnetic valve device, working connection overload protection arrangement.
2. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 1; It is characterized in that described decompressor comprises the oil suction chamber (6) that is located on the valve body, the oil suction chamber place is provided with decompression valve rod (7), and the decompression valve rod is provided with pressurized hole (8); Be set with supercharging ring (9) on the stem head in the pressurized hole outside; Decompression big spring (10) is housed in the decompression valve rod, is provided with decompression little spring (11) in the decompression big spring, decompressor is communicated with Equilibrator through the valve body oil groove; Equilibrator includes balance valve rod (12); Balance valve rod string dress balance spring (13), the outer suit equilibrium valve cover (14) of balance spring returns valve rod (15) with also being equipped with in the valve opening of equilibrium valve substantially horizontal; Return valve stem casing return spring (16) is housed, the outside of each valve rod is fixing by cover plate for sealing pad (17) and cover plate (18).
3. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 1 and 2; It is characterized in that described electronic control system comprises electronic controller (19); Electrichydraulic control speed change control valve (1) is provided with aviation socket (20); Electronic controller is connected with the aviation socket, and the output interface of electronic controller is connected with gear selector (22) through wire harness (21), and the input interface of electronic controller is connected with the vehicle electrically controlling power supply.
4. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 2; It is characterized in that described gearshift mechanism includes and return the valve opening that the valve level is arranged; Be provided with first limiting stopper (23) and first card (24) in the middle of the valve opening, first limiting stopper be stuck in make the valve opening separation in the valve opening groove, adorn the 3rd shift valve (25) in the first limiting stopper right side valve opening; Adorn the 3rd gear shift spring (26) in the 3rd shift valve; Adorn first shift valve (27) in the valve opening of first limiting stopper left side, adorn the first gear shift spring (28) in first shift valve, it is fixing that first shift valve outside is provided with first block (29); Return and be provided with second limiting stopper (30) and second card (31) in the valve opening; Second limiting stopper is stuck in valve opening is separated; Second shift valve (32) and the second gear shift spring (33) are equipped with in second limiting stopper left side, and it is fixing that second shift valve outside is provided with second block (34); The decompression valve opening is provided with the 3rd card (35) separates valve opening, and the 4th shift valve (36) and the 4th gear shift spring (37) are equipped with in the 3rd card left side, and it is fixing that the 4th shift valve outside is provided with the 4th block (38).
5. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 3; It is characterized in that described electromagnetic valve device comprises 4 solenoid valves (42); Solenoid valve is fixed by lock ring (39), case (40), seal ring (41) protection, and solenoid valve connects aviation socket (20) with lead (46).
6. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 1 and 2; It is characterized in that described working connection overload protection arrangement includes Safety valve body (43); Be provided with safety valve lining (44) in the Safety valve body, be provided with safety lever (47) in the safety valve lining, safety lever is connected with safety valve spring (45); The safety valve return opening is located at the Safety valve body afterbody, is communicated with an excessive seat return opening through return tube.
7. a kind of high and low shift gearbox electrichydraulic control speed change control valve device according to claim 1 and 2; The decompression return opening that it is characterized in that described electrichydraulic control speed change control valve (1) is located at transition seat (5) side; Be connected with torque-converters filler opening oil pipe; Transition seat bottom surface is established the pouring hydraulic fluid port and is connected with speed changer cooling hydraulic fluid port, and the transition seat is provided with the lubricant oil interface, and three lubricated hydraulic fluid ports that are connected to transition seat bottom through oil circuit in the transition seat dock with the gear-box lubricating oil mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200335590U CN202441878U (en) | 2012-02-03 | 2012-02-03 | High-gear low-gear speed-changing box electric hydraulic control speed change operating valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200335590U CN202441878U (en) | 2012-02-03 | 2012-02-03 | High-gear low-gear speed-changing box electric hydraulic control speed change operating valve device |
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| Publication Number | Publication Date |
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| CN202441878U true CN202441878U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200335590U Expired - Fee Related CN202441878U (en) | 2012-02-03 | 2012-02-03 | High-gear low-gear speed-changing box electric hydraulic control speed change operating valve device |
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| CN (1) | CN202441878U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333132A (en) * | 2015-10-20 | 2016-02-17 | 杭州前进齿轮箱集团股份有限公司 | Electro-hydraulic proportional operating valve for automatic gearbox of engineering machine |
| CN107762992A (en) * | 2017-10-31 | 2018-03-06 | 中国第汽车股份有限公司 | Supporting type hydraulic dividing plate |
| CN109737201A (en) * | 2019-02-28 | 2019-05-10 | 山东郯工液压科技有限公司 | A kind of first three latter electro-hydraulic manipulation valve of loading machine gearbox |
| CN112303220A (en) * | 2020-07-03 | 2021-02-02 | 杭州萧山叉车配件有限公司 | Electro-hydraulic proportional variable speed control valve |
-
2012
- 2012-02-03 CN CN2012200335590U patent/CN202441878U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333132A (en) * | 2015-10-20 | 2016-02-17 | 杭州前进齿轮箱集团股份有限公司 | Electro-hydraulic proportional operating valve for automatic gearbox of engineering machine |
| CN107762992A (en) * | 2017-10-31 | 2018-03-06 | 中国第汽车股份有限公司 | Supporting type hydraulic dividing plate |
| CN107762992B (en) * | 2017-10-31 | 2023-09-08 | 中国第一汽车股份有限公司 | Support type hydraulic partition board |
| CN109737201A (en) * | 2019-02-28 | 2019-05-10 | 山东郯工液压科技有限公司 | A kind of first three latter electro-hydraulic manipulation valve of loading machine gearbox |
| CN112303220A (en) * | 2020-07-03 | 2021-02-02 | 杭州萧山叉车配件有限公司 | Electro-hydraulic proportional variable speed control valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20150203 |
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| EXPY | Termination of patent right or utility model |