CN2515057Y - Microcomputer controlled electrohydraulic power-shift gear box - Google Patents
Microcomputer controlled electrohydraulic power-shift gear box Download PDFInfo
- Publication number
- CN2515057Y CN2515057Y CN01278094U CN01278094U CN2515057Y CN 2515057 Y CN2515057 Y CN 2515057Y CN 01278094 U CN01278094 U CN 01278094U CN 01278094 U CN01278094 U CN 01278094U CN 2515057 Y CN2515057 Y CN 2515057Y
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- gear
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- 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
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to an electric liquid shift transmission with microcomputer control, belonging to a microcomputer-control electric liquid shift transmission for a wheel loader. The structure of the utility model is characterized in that the gear arranged on the output shaft of a torque converter is engaged with the gear of a forward-stall gear, the shaft which is provided with the forward-stall gear is provided with an A-stall gear, and both sides of the gear which is integrated with the shaft are provided with a forward-stall clutch and an A-stall clutch. The gear of the output shaft of torque converter is also engaged with the back-stall gear which is provided with a Two-stall gear, and both sides of the gear which is integrated with the output shaft are provided a back-stall clutch and a Two-stall clutch. The shaft which is provided with a Four-stall gear is provided with a Three-stall gear and a gear which is integrated with the shaft, and both sides of the gear are provided with a Four-stall clutch and a Three-stall clutch. The output shaft is provided with an output gear which is engaged with the Three-stall gear, and all the clutches are provided with electric liquid shift apparatuses with microcomputer control. The utility model has the advantages of simple structure and convenient operation.
Description
Technical field
The utility model belongs to the hydromechanical drive technical field, and particularly wheel type loader is with the change-speed box of micro-processor controlled electric liquid shift.
Background technology
At present mostly be fall back two turbine hydromechanical drive change-speed boxs of one grade of the second gear that advances at the type change-speed box of China's stock production and use.Tor-con is formed complex structure by pump impeller, a turbine, two turbines and guide wheel quaternary part.Change-speed box is planetary transmission, and gear changing mode is hydraulic pressure, hand shift.The major defect of this change-speed box has: (1) gear is few, and dynamic property is poor.(2) gear changing mode is the hand-hydraulic gear shift, handles inconvenient.(3) has free-wheel clutch, complex structure, et out of order easily.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provides a kind of single-phase to must turbine transformer and the fourth gear of the advancing change-speed box by micro-processor controlled electric liquid shift that third gear forms that falls back by single-stage.Reach simple in structure, control comfort, alleviated the purpose of driver's labour intensity.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: be contained in gear and D Drive gear mesh on the output shaft of tor-con, be equipped with also to be equipped with this on the D Drive axle of D Drive gear and be the gear of one and one grade of gear, for the gear both sides of one forward gear clutch and one grade of power-transfer clutch are being housed with this.Be contained on the output shaft of tor-con gear simultaneously also with the backward gear gear mesh, be equipped with also to be equipped with this on the second gear axle that falls back of backward gear gear and be the gear of one, second speed gear and another gear, for the both sides of one gear backward gear power-transfer clutch and second gear power-transfer clutch are being housed with this.The wheel engagement of Sui of fourth speed gear and backward gear gear mesh is equipped with also to be equipped with this on the axle of fourth speed gear and be the gear of one and 3rd gear, is that fourth gear power-transfer clutch and third gear power-transfer clutch are equipped with in both sides of the gear of one at this.Be equipped with on the output shaft and 3rd gear ingear output gear; Above-mentioned each grade power-transfer clutch is equipped with the pressure hydraulic fluid port that is connected with micro-processor controlled electric liquid shift device; Also include a micro-processor controlled electric liquid shift device of usefulness on this change-speed box, this device includes fuel feeding part, pressure control part, tor-con oil circuit part and electrolyte control part.
Effect of the present utility model is: torque converter output shaft power has enlarged the space of power taking mouth by a pair of gear input change-speed box, is convenient to installation auxiliary device; Change-speed box is preceding four backs three, can improve the dynamic property of vehicle; Adopt the microcomputer controlled electro-hydraulic gear shift, can reduce driver's labour intensity, improved the work efficiency of vehicle; The system controlled by computer gear shift has improved the power utilization of driving engine, has saved the energy, also can reduce the requirement to chaufeur technical ability simultaneously; Adopt cable connection, easy for installation, simple.
Description of drawings
Fig. 1 is the transmission sketch of the utility model change-speed box;
Fig. 2 is an electric liquid shift device hydraulic scheme;
Fig. 3 is the system controlled by computer block scheme.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described: the utility model is a kind of microcomputer controlled electro-hydraulic shift transmission, and its structure mainly includes single-phase centripetal turbine tor-con 1 of single-stage and transmission assembly.Be contained in gear 3 and 4 engagements of D Drive gear on tor-con 1 output shaft 2, be equipped with also to be equipped with on the D Drive axle 16 of D Drive gear 4 and 16 be the gear 15 of one and one grade of gear 14, forward gear clutch 21 and one grade of power-transfer clutch 20 are housed in the both sides of gear 15 with this.The gear 3 that is contained on tor-con 1 output shaft 2 also meshes with backward gear gear 5 simultaneously, be equipped with also to be equipped with on the second gear axle 17 that falls back of backward gear gear 5 and 17 be the gear 11 of one, second speed gear 13 and gear 12, backward gear power-transfer clutch 22 and second gear power-transfer clutch 23 are housed in the both sides of gear 11 with this.Fourth speed gear 7 and wheel 6 engagements of backward gear gear 5 ingear Sui are equipped with also to be equipped with axle 18 on the axle 18 of fourth speed gear 7 and are the gear 8 of one and 3rd gear 9, and fourth gear power-transfer clutch 24 and third gear power-transfer clutch 25 are housed in the both sides of gear 8.Be equipped with on the output shaft 19 and 3rd gear 9 ingear output gears 10; Above-mentioned each grade power-transfer clutch is equipped with the pressure hydraulic fluid port that is connected with micro-processor controlled electric liquid shift device.
Also include a micro-processor controlled electric liquid shift device of usefulness on this change-speed box, this device includes fuel feeding part A, pressure control part B, tor-con oil circuit portion C and electrolyte control part D.Fuel feeding part A in the electric liquid shift device is connected in series and is formed by fuel tank 26, oil filter 27, oil pump 28, oil filter 29.Pressure regulating part portions B in the electric liquid shift device is made up of cushion valve 30 and bonded assembly energy storage 31 thereof.Tor-con oil circuit part portion C in the electric liquid shift device is by forming with tor-con bonded assembly tor-con admission valve 32 and tor-con outlet valve 33.Electrolyte control part D in the electric liquid shift device is by forming at connect respectively between the pressure hydraulic fluid port K1 of each grade power- transfer clutch 20,21,22,23,24, F, R, K2, K4 and the pressure control part B command valve 34,35,36,37,38 of each grade of control clutch engagement and the electromagnetic valve 39,40,41,42,43 of control command valve.Micro-processor controlled device is to be connected with microcomputer CPU power supply by: switching power supply, two input ends of CPU connect the tachogen of gear shifting handle and detection of engine rotating speed and tor-con gear 3 respectively, all be connected a photoisolator of removing interfering signal between CPU and gear shifting handle and tachogen, the mouth of CPU is connected with electromagnetic valve 39,40,41,42,43 after connecting a photoisolator of removing interfering signal again.
Below with gear shift brief description of the present utility model:
(1) advance one grade: the power of tor-con 1 reaches D Drive gear 4 by the gear on the output shaft 23, when forward gear clutch 21 and one grade of power-transfer clutch 20, and combination under the pressure oil effect that gearshift comes; Power reaches the output gear 10 on the output shaft 19 again through gear 12 transmission gears 13, thereby realizes advancing one grade action.
(2) second gear that advances: the power of tor-con 1 reaches D Drive gear 4 by the gear on the output shaft 23, when forward gear clutch 21 and second gear power-transfer clutch 23, and combination under the pressure oil effect that gearshift comes; Power reaches second speed gear 13,3rd gear 9 again through gear 15 transmission gears 11, reaches the output gear 10 on the output shaft 19 again, the action of second gear thereby realization is advanced.
(3) third gear of advancing: the power of tor-con 1 reaches D Drive gear 4 by the gear on the output shaft 23, when forward gear clutch 21 and third gear power-transfer clutch 25, and combination under the pressure oil effect that gearshift comes; Power reaches 3rd gear 9 again through gear 15 transmission gears 11, reaches the output gear 10 on the output shaft 19 again, the action of second gear thereby realization is advanced.
(4) fourth gear of advancing: the power of tor-con 1 reaches D Drive gear 4 by the gear on the output shaft 23, and idle pulley 6 is passed to fourth speed gear 7 again, third gear power-transfer clutch 25 and fourth gear power-transfer clutch 24, combination under the pressure oil effect that gearshift comes; Power reaches 3rd gear 9, reaches the output gear 10 on the output shaft 19 again, thereby realizes advancing the four-speed action.
(5) fall back one grade: the power of tor-con 1 reaches backward gear gear 5 by the gear on the output shaft 23, when backward gear power-transfer clutch 22 and one grade of power-transfer clutch 20, and combination under the pressure oil effect that gearshift comes; Power reaches the output gear 10 on the output shaft 19 again through gear 12 transmission gears 13, thereby realizes advancing one grade action.
(6) second gear that falls back: the power of tor-con 1 reaches backward gear gear 5 by the gear on the output shaft 23, when backward gear power-transfer clutch 22 and second gear power-transfer clutch 23, and combination under the pressure oil effect that gearshift comes; Power reaches second speed gear 13,3rd gear 9 again through gear 15 transmission gears 11, reaches the output gear 10 on the output shaft 19 again, the action of second gear thereby realization is advanced.
(7) third gear that falls back: the power of tor-con 1 reaches backward gear gear 5 by the gear on the output shaft 23, when backward gear power-transfer clutch 22 and third gear power-transfer clutch 25, and combination under the pressure oil effect that gearshift comes; Power reaches 3rd gear 9 again through gear 15 transmission gears 11, reaches the output gear 10 on the output shaft 19 again, the action of second gear thereby realization is advanced.
Gear changing mode adopts microcomputer controlled electro-liquid gearshift.Gear shift is by the work of microcomputer CPU control electromagnetic valve.This microprocessor control system adopts switching power supply, and input/output signal adopts the 4N25 photoisolator, remove interfering signal, thereby system's antijamming capability is strong.Owing to used microcomputer, expanded function is strong.In walking and working process, the gear signal of gear shifting handle is sent into central process unit after photoelectricity is isolated, after CPU handles, and the output control signal, control gear shift electromagnetic valve makes machine run in required gear after photoelectricity is isolated.For construction machinery and equipments such as loaders, can come automatic conversion gear according to the rotating speed of driving engine and the relation of the speed of a motor vehicle, thereby vehicle is worked on the operation point of the best, improve the performance of vehicle.
Claims (6)
1. microcomputer controlled electro-hydraulic shift transmission, its structure mainly includes single-phase centripetal turbine tor-con of single-stage and transmission assembly, it is characterized in that being contained in gear (3) and D Drive gear (4) engagement on tor-con (1) output shaft (2), be equipped with also to be equipped with this axle (16) on the D Drive axle (16) of D Drive gear (4) and be the gear of one (15) and one grade of gear (14), forward gear clutch (21) and one grade of power-transfer clutch (20) are housed in the both sides of gear (15); The gear (3) that is contained on tor-con (1) output shaft (2) also meshes with backward gear gear (5) simultaneously, be equipped with also to be equipped with this axle (17) on the second gear axle (17) that falls back of backward gear gear (5) and be the gear of one (11), second speed gear (13) and gear (12), backward gear power-transfer clutch (22) and second gear power-transfer clutch (23) are housed in the both sides of gear (11); Fourth speed gear (7) and backward gear gear (5) ingear Sui wheel (6) engagement, be equipped with also to be equipped with this axle (18) on the axle (18) of fourth speed gear (7) and be gear of one (8) and 3rd gear (9), fourth gear power-transfer clutch (24) and third gear power-transfer clutch (25) are housed in the both sides of gear (8); Be equipped with on the output shaft (19) and 3rd gear (9) ingear output gear (10); Above-mentioned each grade power-transfer clutch is equipped with the pressure hydraulic fluid port that is connected with micro-processor controlled electric liquid shift device; Also include a micro-processor controlled electric liquid shift device of usefulness on this change-speed box, this device includes fuel feeding part (A), pressure control part (B), tor-con oil circuit part (C) and electrolyte control part (D).
2. according to the change-speed box described in the claim 1, it is characterized in that the fuel feeding part (A) in the electric liquid shift device is connected in series and is formed by fuel tank (26), oil filter (27), oil pump (28), oil filter (29).
3. according to the change-speed box described in the claim 1, it is characterized in that the pressure regulating part portions (B) in the electric liquid shift device is made up of cushion valve (30) and bonded assembly energy storage (31) thereof.
4. according to the change-speed box described in the claim 1, it is characterized in that tor-con oil circuit part part (C) in the electric liquid shift device is by forming with bending moment product bonded assembly tor-con admission valve (32) and tor-con outlet valve (33).
5. according to the change-speed box described in the claim 1, it is characterized in that the electrolyte control part (D) in the electric liquid shift device is made up of partly connect respectively between (B) at each grade clutch pressure hydraulic fluid port and the pressure control command valve [(34), (35), (36), (37), (38)] of each grade of control clutch engagement and the electromagnetic valve [(39), (40), (41), (42), (43)] of control command valve.
6. according to the change-speed box described in the claim 1, it is characterized in that micro-processor controlled device is to be connected with microcomputer CPU power supply by: switching power supply, two input ends of CPU connect the tachogen of gear shifting handle and detection of engine rotating speed and tor-con gear 3 respectively, all be connected a photoisolator of removing interfering signal between CPU and gear shifting handle and tachogen, the mouth of CPU is connected with electromagnetic valve [(39), (40), (41), (42), (43)] after connecting a photoisolator of removing interfering signal again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01278094U CN2515057Y (en) | 2001-12-13 | 2001-12-13 | Microcomputer controlled electrohydraulic power-shift gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01278094U CN2515057Y (en) | 2001-12-13 | 2001-12-13 | Microcomputer controlled electrohydraulic power-shift gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2515057Y true CN2515057Y (en) | 2002-10-09 |
Family
ID=33681664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01278094U Expired - Lifetime CN2515057Y (en) | 2001-12-13 | 2001-12-13 | Microcomputer controlled electrohydraulic power-shift gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2515057Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592222B (en) * | 2009-06-24 | 2012-12-19 | 贵州凯星液力传动机械有限公司 | Fixed shaft type hydraulic transmission |
| CN104595426A (en) * | 2015-01-14 | 2015-05-06 | 杭州前进齿轮箱集团股份有限公司 | Gearbox for heavy tower crane |
-
2001
- 2001-12-13 CN CN01278094U patent/CN2515057Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592222B (en) * | 2009-06-24 | 2012-12-19 | 贵州凯星液力传动机械有限公司 | Fixed shaft type hydraulic transmission |
| CN104595426A (en) * | 2015-01-14 | 2015-05-06 | 杭州前进齿轮箱集团股份有限公司 | Gearbox for heavy tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111213 Granted publication date: 20021009 |