CN108799486A - A kind of wheel machine walking excavator - Google Patents
A kind of wheel machine walking excavator Download PDFInfo
- Publication number
- CN108799486A CN108799486A CN201810618078.8A CN201810618078A CN108799486A CN 108799486 A CN108799486 A CN 108799486A CN 201810618078 A CN201810618078 A CN 201810618078A CN 108799486 A CN108799486 A CN 108799486A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- cylinder
- excavator
- shift
- shifting
- Prior art date
- 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
Links
Classifications
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention discloses a kind of wheel machine walking excavator, including sequentially connected engine, gearbox and mechanical driving；Gearbox is connected with automatic gearshift, and automatic gearshift includes control panel, solenoid valve and cylinder, and solenoid valve includes solenoid valve A, solenoid valve B and solenoid valve C, and cylinder includes shifting cylinder A, shifting cylinder B and clutch air cylinder；Solenoid valve A, solenoid valve B and solenoid valve C are electrically connected the control terminal of control panel respectively, solenoid valve A, solenoid valve B and solenoid valve C are connect with the air accumulator gas circuit of excavator, and solenoid valve A carries out one-to-one correspondence gas circuit with shifting cylinder B, solenoid valve C with clutch air cylinder with shifting cylinder A, solenoid valve B and connect respectively；The shift pull rod B of the piston axis connection gearbox of shift the pull rod A, shifting cylinder B of the piston axis connection gearbox of shifting cylinder A.The present invention realizes mechanically operated self shifter operation, and avoiding operating unskilled malfunction leads to problems such as gear damage.
Description
The application be to be 2017.01.05 application No. is " 201710006795.0 ", the applying date application theme be " wheel
Formula machine-walking excavator automatic gearshift " proposes divisional application.
Technical field
The present invention relates to wheel machine walking excavator field, in particular to a kind of wheel machine walking excavators.
Background technology
Excavator is that a kind of excavated with scraper bowl is higher or lower than the material for holding machine side, and is packed into haulage vehicle or unloads to heap
The earthmoving machinery in stock ground, excavator have become one of most important engineering machinery in engineering construction.Not according to the kind of drive
Together, excavator can be divided into hydraulic moving excavator and machine-walking excavator, and relative to machine driving, hydraulic drive is one new
Technology, hydraulic crawler excavator with wheel machine walk excavator compared with, have component placement it is flexible for installation, realize large-scale stepless
Speed governing is easily achieved the advantages that automatically controlling.However since hydraulic crawler excavator is using liquid as medium, there are associated disadvantages to have：Hair
It is hot serious, it is not suitable for walking over long distances；There are mechanical loss, the pressure loss, leakage loss in transmission；It is sensitive to oil temperature, it should not be
Element is used under low and high temperature, the accuracy of manufacture is high, and cost is high；Device is not easy to diagnose when breaking down；Etc..So in some need
In the case of wanting flexible occasion, over long distances walking, machine-walking excavator still has its advantage outstanding.
Existing wheel machine walking excavator, as shown in Fig. 2, its gearshift is to pass through bowden cable or draw-bar machine
Structure controls two shift pull rods of A, B in manual transmission respectively；Clutch oil cylinder is controlled by clutch pedal so that gearbox
Upper clutch is detached from or combines, and is acted in driver's cabin remote operation manual shift to realize.People passes through hand of shifting gears in driver's cabin
Handle operates, and mechanical displacement is transmitted to two gearshifts on gearbox by flexible axle.Because flexible axle or drag link mechanism are reliable
Property is relatively low, needs often to safeguard；In addition manual shift mode is complex, and needs the skilled cooperation of foot, inconvenient,
In driving process as it is unskilled be easy to malfunction cause gear damage even generate safety accident.
In consideration of it, inventor furthers investigate the above problem, and proposes to walk specifically for wheel machine and dig
Thus automatic gearshift and wheel machine the walking excavator of pick machine, this case generate.
Invention content
The one of the present invention is designed to provide a kind of wheel machine walking excavator, is designed by clever structure, realizes machine
The self shifter operation of tool transmission overcomes existing manual flexible axle or the existing defect of pull rod shift.
In order to achieve the above objectives, solution of the invention is：
A kind of wheel machine walking excavator, including sequentially connected engine, gearbox and mechanical driving；Speed change
Case is connected with automatic gearshift, which includes control panel, solenoid valve and cylinder, and solenoid valve includes solenoid valve
A, solenoid valve B and solenoid valve C, cylinder include shifting cylinder A, shifting cylinder B and clutch air cylinder；Solenoid valve A, solenoid valve B and electricity
Magnet valve C is electrically connected the control terminal of control panel respectively, solenoid valve A, solenoid valve B and solenoid valve C with the air accumulator of excavator
Gas circuit connects, and solenoid valve A is carried out one by one respectively with shifting cylinder A, solenoid valve B and shifting cylinder B, solenoid valve C and clutch air cylinder
Corresponding gas circuit connection；The piston axis connection speed change of shift the pull rod A, shifting cylinder B of the piston axis connection gearbox of shifting cylinder A
The shift pull rod B of case；Shifting cylinder A and shifting cylinder B specifically uses two-way cylinder, clutch air cylinder to use one-way cylinder；It is wheeled
Machine-walking excavator further includes brake pedal, the air accumulator gas circuit connection of the brake pedal and excavator, the brake pedal
Bypass gas circuit is pneumatically connected between gas circuit and clutch air cylinder, which is equipped with travel switch.
It is equipped with pressure switch at the cylinder outlet of the shifting cylinder A, shifting cylinder B and clutch air cylinder.
The control panel is the control panel for being internally integrated ECU modules, ECU modules be electrically connected with speed probe and
Other sensors；Control panel has from dynamic auxiliary shift and two kinds of control models of automatically shifting gears.
The control panel have operation mode set and shift gears control button unit, and with display current gear and
Prompt the display unit of shift.
After adopting the above scheme, a kind of wheel machine walking excavator of the present invention, advantageous effect compared with the existing technology
It is：The present invention is based on existing wheel machine walk excavator itself air source and meanwhile brake for gas braking be unfolded improvement set
Meter, abandons existing machinery gearshift and clutch pedal, only need to increase corresponding control panel, solenoid valve, cylinder, pass through phase
The harness answered flexibly is connect with pipeline, that is, constitutes self shifter machine of the specialized application of the present invention on wheel machine walking excavator
Structure realizes self shifter.So the present invention not only maintains the wheel machine walking mechanically operated intrinsic advantage of excavator, will also
Original cumbersome mechanical changeover operational transformation is the automatic and succinct gear shift operation of the present invention, is not required to very important person in operation and shifts gears
Handle operates and clutch operation, it is only necessary to push-botton operation is carried out, with simple for structure, reliable and stable, equal spies easy to operate
Point, avoiding operating unskilled malfunction leads to problems such as gear damage even generate safety accident.
Description of the drawings
Fig. 1 is the control principle drawing of wheel machine walking excavator automatic gearshift of the present invention；
Fig. 2 is the structural schematic diagram of existing wheel machine walking excavator；
Fig. 3 is the structural schematic diagram of gearbox；
Fig. 4 is the gear shifting action schematic diagram of the shift pull rod B of gearbox；
Fig. 5 is the gear shifting action schematic diagram of the shift pull rod A of gearbox.
Label declaration
1 display unit 11 of control panel
21 solenoid valve B 22 of solenoid valve A
23 shifting cylinder A 31 of solenoid valve C
32 clutch air cylinders 33 of shifting cylinder B
Bypass 331 air accumulator 4 of gas circuit
5 pneumatic gas circuit 51 of brake pedal
100 gearbox 200 of engine
Shift gears 201 shift pull rod B 202 of pull rod A
Mechanical driving 300.
Specific implementation mode
This case is described in further detail with reference to the accompanying drawings and detailed description.
This case is related to a kind of wheel machine walking excavator automatic gearshift, as shown in Figure 1, including control panel 1, electricity
Magnet valve and cylinder.Wherein, solenoid valve includes solenoid valve A21, solenoid valve B22 and solenoid valve C23, cylinder include shifting cylinder A31,
Shifting cylinder B32 and clutch air cylinder 33.
The electric connecting terminal of the solenoid valve A21, solenoid valve B22 and solenoid valve C23 are electrically connected the control of control panel 1 respectively
End processed.The gas circuit connecting pin of solenoid valve A21, solenoid valve B22 and solenoid valve C23 are connect with 4 gas circuit of the air accumulator of excavator.Electricity
Magnet valve A21 is carried out one by one respectively with shifting cylinder A31, solenoid valve B22 and shifting cylinder B32, solenoid valve C23 and clutch air cylinder 33
Corresponding gas circuit connection.Air accumulator 4, solenoid valve (solenoid valve A21, solenoid valve B22 and solenoid valve C23) and cylinder (shifting cylinder
A31, shifting cylinder B32 and clutch air cylinder 33) forming three groups of mutually independent pneumatic circuits, (P represents air inlet in Fig. 1, and T represents row
Gas).
Shift the pull rod A201, shifting cylinder B32 of the piston shaft connecting excavator gearbox 200 of the shifting cylinder A31
Piston axis connection gearbox 200 shift pull rod B202.According to the different action requests of cylinder different application occasion, wherein changing
Keeping off cylinder A31 and shifting cylinder B32 specifically uses two-way cylinder, clutch air cylinder 33 to use one-way cylinder.
It works in this way, controlling solenoid valve (solenoid valve A21, solenoid valve B22 and solenoid valve C23) by control panel 1, by electricity
Magnet valve (solenoid valve A21, solenoid valve B22 and solenoid valve C23) correspond respectively control shifting cylinder A31, shifting cylinder B32 and
Clutch air cylinder 33 suitably works, final to realize the automatic gear change function with clutch-linkage.Specifically, when self shifter manipulates,
Manipulator need to only carry out associated button operation on control panel 1, from control panel 1 automatically control each solenoid valve orderly with,
Realize clutch-linkage formula self shifter work.33 ventilation of clutch air cylinder acts first, later shifting cylinder A31 and shifting cylinder
Both B32 ventilate and cooperate, and driving shift pull rod A201 and shift pull rod B202, respectively suitably action realizes that shift is dynamic
Make, after the completion of waiting for gear shifting action, clutch air cylinder 33 discharges return, and so linking up, it is dynamic to complete a complete self shifter manipulation
Make.The gear shifting action principle of shift pull rod A201 and the pull rod B202 that shifts gears are identical compared with machine driving gear shifting action, specific to join
See Fig. 4-5 and following table, 0 indicates position state during in-position, X indicate in table.
Preferably, the clutch air cylinder 33 is connected with bypass gas circuit 331, and the bypass gas circuit 331 bypass is connected to excavator
Brake pedal 5 pneumatic gas circuit 51 on, bypass gas circuit 331 is equipped with travel switch, and the trip switch cooperation brake pedal 5 is big
Amplitude brake and control bypass 331 break-make of gas circuit.In work, excavator carries out aerodynamic brake by brake pedal 5, when big
In the presence of amplitude brake, the bypass connection of gas circuit 331 makes clutch air cylinder 33 act, to drive the disengaging of gearbox 200 to start
Machine 100 plays the effect for increasing brake.
Preferably, pressure is had additional at the cylinder outlet of the shifting cylinder A31, shifting cylinder B32 and clutch air cylinder 33
Power switchs, which is electrically connected with control panel 1.In this way, when there is no pressure generation, fed back by pressure switch,
Play the role of indicating alarm, also brings convenience troubleshooting of course simultaneously.
The control panel that the control panel 1 is preferably internally integrated ECU modules can be according to behaviour by ECU modules
Work person's shifting intention instructs, and sequence and the time of judgement gear shifting action are carried out in conjunction with engine speed or other monitoring informations
Beat prevents gearbox from damaging.ECU modules are preferably electrically connected with speed probe 61 and other sensors 62, pass through ECU moulds
Block designs, and automatic gearshift can be realized from dynamic auxiliary shift and two kinds of control models of automatically shifting gears.From dynamic auxiliary shift mould
Formula, operating personnel only need to press corresponding gear button, you can realization automatically controls.Full-automatic shift mode, according to speed per hour
And other sensors information, full-automatic shift processing is carried out, operating personnel do not consider gear problem.
The control panel 1 has control button unit, operation mode setting (auxiliary/full-automatic) and gear gear shift operation.
Control panel 1 also has display unit 11, for showing current gear, realizes the function of prompt shift.
Another object of the present invention is to provide a kind of novel wheel-type machine-walking excavator, including sequentially connected start
Machine 100, gearbox 200 and mechanical driving 300, the part are connected as common knowledge (shown in Figure 2).The present invention is wheeled
The innovative point of machine-walking excavator is that gearbox 200 is connected with automatic gearshift, the automatic gearshift such as institute above
It states, does not remake tired in detail state here.The brake pedal 5 is the composed structure of wheel machine walking excavator, the brake pedal 5
It is connect with 4 gas circuit of air accumulator of excavator, realizes aerodynamic brake.Between the pneumatic gas circuit 51 and clutch air cylinder 33 of the brake pedal 5
It is connected with bypass gas circuit 331, which is equipped with the travel switch.
The foregoing is merely the preferred embodiment of the present invention, all equivalent changes done with scope of the invention as claimed and
Modification, should all belong to the range of the claims in the present invention.
Claims (4)
- The excavator 1. a kind of wheel machine is walked, it is characterised in that：Including sequentially connected engine, gearbox and machine driving Component；Gearbox is connected with automatic gearshift, which includes control panel, solenoid valve and cylinder, solenoid valve Including solenoid valve A, solenoid valve B and solenoid valve C, cylinder includes shifting cylinder A, shifting cylinder B and clutch air cylinder；Solenoid valve A, electricity Magnet valve B and solenoid valve C is electrically connected the control terminal of control panel respectively, and solenoid valve A, solenoid valve B and solenoid valve C are and excavator The connection of air accumulator gas circuit, solenoid valve A and shifting cylinder A, solenoid valve B and shifting cylinder B, solenoid valve C and clutch air cylinder difference It carries out corresponding gas circuit connection；The shift pull rod A of the piston axis connection gearbox of shifting cylinder A, the piston shaft of shifting cylinder B Connect the shift pull rod B of gearbox；Shifting cylinder A and shifting cylinder B uses two-way cylinder, clutch air cylinder to use one-way cylinder； Wheel machine walking excavator further includes brake pedal, and the air accumulator gas circuit connection of the brake pedal and excavator, the brake is stepped on It is connected with bypass gas circuit between the pneumatic gas circuit and clutch air cylinder of plate, which is equipped with travel switch.
- The excavator 2. a kind of wheel machine as described in claim 1 is walked, it is characterised in that：The shifting cylinder A, shift gas It is equipped with pressure switch at the cylinder outlet of cylinder B and clutch air cylinder.
- The excavator 3. a kind of wheel machine as described in claim 1 is walked, it is characterised in that：The control panel is internal collects At the control panel for having ECU modules, ECU modules are electrically connected with speed probe and other sensors；Control panel has automatic Auxiliary shift and automatically two kinds of control models of shift.
- The excavator 4. a kind of wheel machine as described in claim 1 is walked, it is characterised in that：The control panel, which has, makees mould Formula is set and the control button unit of shift, and the display unit with display current gear and prompt shift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618078.8A CN108799486A (en) | 2017-01-05 | 2017-01-05 | A kind of wheel machine walking excavator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710006795.0A CN106704583B (en) | 2017-01-05 | 2017-01-05 | Wheel machine walking excavator automatic gearshift |
| CN201810618078.8A CN108799486A (en) | 2017-01-05 | 2017-01-05 | A kind of wheel machine walking excavator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710006795.0A Division CN106704583B (en) | 2017-01-05 | 2017-01-05 | Wheel machine walking excavator automatic gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799486A true CN108799486A (en) | 2018-11-13 |
Family
ID=58907877
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710006795.0A Active CN106704583B (en) | 2017-01-05 | 2017-01-05 | Wheel machine walking excavator automatic gearshift |
| CN201810618078.8A Pending CN108799486A (en) | 2017-01-05 | 2017-01-05 | A kind of wheel machine walking excavator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710006795.0A Active CN106704583B (en) | 2017-01-05 | 2017-01-05 | Wheel machine walking excavator automatic gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106704583B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622283A (en) * | 2020-06-17 | 2020-09-04 | 雷沃工程机械集团有限公司 | Excavator action state monitoring device, excavator and control method |
| CN112178181A (en) * | 2020-11-03 | 2021-01-05 | 陕西法士特齿轮有限责任公司 | Gas circuit structure for actuating mechanism of AMT (automated mechanical transmission) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101474990A (en) * | 2009-01-15 | 2009-07-08 | 鲁东大学 | Large-sized vehicle intelligent synthetic brake control system |
| CN201433413Y (en) * | 2009-04-29 | 2010-03-31 | 曾华文 | Wheel excavator |
| CN202629043U (en) * | 2011-12-16 | 2012-12-26 | 北汽福田汽车股份有限公司 | Gearshift speed-change operating device |
| CN203096805U (en) * | 2013-03-16 | 2013-07-31 | 常德市鼎城区升湘机械有限责任公司 | Electric-pneumatic-hydraulic combined control system of wheel excavator |
| CN103434394A (en) * | 2013-08-29 | 2013-12-11 | 华南理工大学 | FSAE racing car gear shifting system |
| CN105034800A (en) * | 2015-03-30 | 2015-11-11 | 徐工集团工程机械股份有限公司道路机械分公司 | Clutch and braking system of road roller |
| CN105782424A (en) * | 2016-05-23 | 2016-07-20 | 武汉理工大学 | Electronic control pneumatic gear shifting device of tractor transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000272532A (en) * | 1999-03-23 | 2000-10-03 | Shin Caterpillar Mitsubishi Ltd | Running operating device for crawler type running machine body |
| JP4168004B2 (en) * | 2004-04-13 | 2008-10-22 | 住友建機製造株式会社 | Hydraulic control equipment for construction machinery |
| CN104295734B (en) * | 2014-10-30 | 2016-08-17 | 山东冠县鲁牛工程机械有限公司 | A kind of wheel excavator with automatic transimission |
| CN205009996U (en) * | 2015-08-31 | 2016-02-03 | 山东沃尔华工程机械有限公司 | Excavator flexible axle gearshift |
| CN105387196B (en) * | 2015-12-24 | 2017-12-08 | 诸城福田汽车科技开发有限公司 | A kind of semi-automatic transmission steerable system and automobile |
| CN206368963U (en) * | 2017-01-05 | 2017-08-01 | 福建晋工机械有限公司 | Wheel machine walking excavator automatic gearshift and wheel machine walking excavator |
-
2017
- 2017-01-05 CN CN201710006795.0A patent/CN106704583B/en active Active
- 2017-01-05 CN CN201810618078.8A patent/CN108799486A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101474990A (en) * | 2009-01-15 | 2009-07-08 | 鲁东大学 | Large-sized vehicle intelligent synthetic brake control system |
| CN201433413Y (en) * | 2009-04-29 | 2010-03-31 | 曾华文 | Wheel excavator |
| CN202629043U (en) * | 2011-12-16 | 2012-12-26 | 北汽福田汽车股份有限公司 | Gearshift speed-change operating device |
| CN203096805U (en) * | 2013-03-16 | 2013-07-31 | 常德市鼎城区升湘机械有限责任公司 | Electric-pneumatic-hydraulic combined control system of wheel excavator |
| CN103434394A (en) * | 2013-08-29 | 2013-12-11 | 华南理工大学 | FSAE racing car gear shifting system |
| CN105034800A (en) * | 2015-03-30 | 2015-11-11 | 徐工集团工程机械股份有限公司道路机械分公司 | Clutch and braking system of road roller |
| CN105782424A (en) * | 2016-05-23 | 2016-07-20 | 武汉理工大学 | Electronic control pneumatic gear shifting device of tractor transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622283A (en) * | 2020-06-17 | 2020-09-04 | 雷沃工程机械集团有限公司 | Excavator action state monitoring device, excavator and control method |
| CN112178181A (en) * | 2020-11-03 | 2021-01-05 | 陕西法士特齿轮有限责任公司 | Gas circuit structure for actuating mechanism of AMT (automated mechanical transmission) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704583B (en) | 2018-10-12 |
| CN106704583A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102149948B (en) | Control of selectable one-way clutch in transmission | |
| CN101560925B (en) | Engine controller for work vehicle | |
| CN104802790A (en) | New-energy entire car controller integrated with transmission case control function | |
| EP2545302B1 (en) | Integrated transmission and auxiliary gearbox control | |
| JP2000055791A (en) | Method and apparatus for measuring equipment performance data on construction machine | |
| CN101105224A (en) | Electronic control pneumatic mechanical type automatic variable-speed gear | |
| CN106704583B (en) | Wheel machine walking excavator automatic gearshift | |
| CN201214409Y (en) | Mechanical gearshift case automatic gear shift control system | |
| CN206368963U (en) | Wheel machine walking excavator automatic gearshift and wheel machine walking excavator | |
| GB2268554A (en) | Gearing control system has forward/reverse main clutch and quick operative clutch. | |
| CN103423436B (en) | The electric gear change system of vehicle mechanical gearbox | |
| CN105156507B (en) | Artificial intelligence double mode clutch control system and its control method | |
| CN203832474U (en) | Steering and braking hydraulic system | |
| CN203686098U (en) | EPS (Electric Power Steering) semi-automatic gear shifting system | |
| CN201395060Y (en) | Clutch automatic control system | |
| US3667629A (en) | Control and power apparatus for operating trash collection vehicle packers | |
| CN104295734B (en) | A kind of wheel excavator with automatic transimission | |
| KR0175156B1 (en) | Drive transmission system for working vehicle | |
| CN102862572B (en) | The special executive item of the dual-purpose Ride Control System of the manual S. A. of step-speed-changing automobile | |
| CN112161045B (en) | Tractor power shift electrical control system | |
| CN210461657U (en) | Tractor load reversing and high-low gear gearbox control device | |
| CN205190569U (en) | Intelligent clutch actuating mechanism of mining car | |
| CN108674424A (en) | Mining single track vehicles intelligent control and protection system | |
| CN203453450U (en) | Electronic gear shifting system for automotive mechanical gearbox | |
| CN201604707U (en) | Novel crawler-type tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
|
| RJ01 | Rejection of invention patent application after publication |