CN206900468U - A kind of new electronic control braking in a turn system - Google Patents
A kind of new electronic control braking in a turn system Download PDFInfo
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- CN206900468U CN206900468U CN201720732650.4U CN201720732650U CN206900468U CN 206900468 U CN206900468 U CN 206900468U CN 201720732650 U CN201720732650 U CN 201720732650U CN 206900468 U CN206900468 U CN 206900468U
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Abstract
A kind of new electronic control braking in a turn system is the utility model is related to, the electric control handle is connected to controller, controller connection proportional pressure-reducing valve I and proportional pressure-reducing valve II；The oil-feed port connection oil supply system of reversal valve I, reversal valve IV, the oil-feed port connection stopping brake valve of reversal valve II, reversal valve III, stopping brake valve connects oil supply system, the control port connection proportional pressure-reducing valve I of reversal valve I, the middle hydraulic fluid port of the control port connection reversal valve I of reversal valve II, the control port connection proportional pressure-reducing valve II of reversal valve IV, the middle hydraulic fluid port of the control port connection reversal valve IV of reversal valve III, the middle hydraulic fluid port of reversal valve II connects left brake coupling, and III middle hydraulic fluid port of reversal valve connects right brake coupling.The beneficial effects of the utility model are：1）The utility model reliably can be realized first to turn to and braked afterwards.2）The utility model is turned to rapidly without impact using controller and proportional pressure-reducing valve regulation steering pressure, and simple in construction, it is easy to accomplish.
Description
Technical field
It the utility model is related to a kind of braking in a turn system, more particularly to a kind of new electronic control braking in a turn system.
Background technology
Current automatically controlled braking in a turn systematic difference can reduce complete machine steering operation intensity, and the operation for improving operator is comfortable
Property, complete machine intelligent level is improved, in addition, the existing application of proportional pressure-reducing valve is very extensive, reliability, which can meet to use completely, to be wanted
Ask, and have the features such as fast response time, steady.Therefore, developing automatically controlled braking in a turn system is highly desirable.
Bulldozer operation bad environments, during overall operation, adjustment operating direction need to be turned to repeatedly, tradition machinery formula turns to system
Dynamic system architecture is complicated, and steering force is big, and long working operator labor intensity is high, with the continuous progress of technology, operator
Requirement to handling comfort is constantly increased.Automatically controlled braking in a turn system can meet braking in a turn requirement, and and can effectively provides
Handling comfort, beneficial to the raising of complete machine intelligent level.
Utility model content
Technical problem to be solved in the utility model is：A kind of new electronic control braking in a turn system is provided, by automatically controlled
The break-make and size of handle and controller control proportional pressure-reducing valve electric current, so as to realize that bull-dozer turns to；Pass through steering cluth
Interior pressure indirect control reversal valve, when pressure reaches design load in steering cluth, reversal valve commutation, brake coupling is let out
Oil, realize braking；Stopping brake valve is closed during parking, the automatic draining of brake coupling, realizes braking, ensures parking security；
When needing brake hard, foot brake pedal is stepped on, foot brake valves are opened, and brake draining, realize braking.
The utility model is to solve the problems, such as that used technical scheme set forth above is：
A kind of new electronic control braking in a turn system, including electric control handle, controller, oil supply system and be connected with oil supply system
Proportional pressure-reducing valve I 1, proportional pressure-reducing valve II 2, the electric control handle is connected to controller, controller connection proportional pressure-reducing valve I 1
And proportional pressure-reducing valve II 2；Angle signal is converted to current controling signal by electric control handle, is transmitted to controller, controller output
Corresponding current controling signal, the current controling signal are transmitted to proportional pressure-reducing valve I 1 and/or proportional pressure-reducing valve II 2, control
Valve core of main valve openings of sizes；Also include reversal valve I 3, reversal valve II 4, reversal valve III 5, reversal valve IV 6, the reversal valve I 3, change
Control port, oil-feed port, drain tap, middle hydraulic fluid port are respectively provided with to valve II 4, reversal valve III 5, reversal valve IV 6, reversal valve I 3, is changed
It is connected to the drain tap of valve II 4, reversal valve III 5, reversal valve IV 6 with fuel tank, reversal valve I 3, the oil-feed port of reversal valve IV 6
Oil supply system is connected, reversal valve II 4, the oil-feed port connection stopping brake valve 7 of reversal valve III 5, stopping brake valve 7 connects fuel feeding system
System, the control port connection proportional pressure-reducing valve I 1 of reversal valve I 3, the middle oil of the control port connection reversal valve I 3 of reversal valve II 4
Mouthful, the control port connection proportional pressure-reducing valve II 2 of reversal valve IV 6, the control port of reversal valve III 5 is connected in reversal valve IV 6
Between hydraulic fluid port, the middle hydraulic fluid port connection left steering clutch 9 of reversal valve I 3, the left braking clutch of middle hydraulic fluid port connection of reversal valve II 4
Device 11, III 5 middle hydraulic fluid port of reversal valve connect right brake coupling 12, the middle hydraulic fluid port connection right turn clutch of reversal valve IV 6
10, left brake coupling 11, right brake coupling 12 are connected with foot brake valves 8.
Described oil supply system includes fuel tank 13, steering pump 14, oil filter 15 and fine filter 16, the oil inlet of steering pump 14
Connect fuel tank 13, the oil-out connection oil filter 15 of steering pump 14, oil filter 15 and proportional pressure-reducing valve I 1, proportional pressure-reducing valve II 2
Between oil circuit on be additionally provided with fine filter 16.
Described reversal valve I 3, reversal valve II 4, reversal valve III 5, reversal valve IV 6 are integrated on a main valve block.
Described proportional pressure-reducing valve I 1, proportional pressure-reducing valve II 2 use proportional pressure-reducing valve open in usual.
Described electric control handle deviation angle relation proportional to controller output current.
Operation principle of the present utility model：When complete machine has just opened car, foot brake valves are closed, i.e., upper connection；Two
Proportional pressure-reducing valve is powered off, and reversal valve I is connected with the right side of reversal valve IV, left steering clutch（LC）With right turn clutch（RC）Place
In draining state；Stopping brake valve is located at closed mode, and left side is connected, and reversal valve II is connected with the right side of reversal valve III, left braking
Clutch（LB）With right brake coupling（RB）In draining state, complete machine keeps braking；It is after stopping brake valve is opened, i.e., right
Side joint leads to, and fluid, respectively by reversal valve II and reversal valve III, enters from after the diverted pump of fuel tank, oil filter, stopping brake valve
Enter left brake coupling（LB）With right brake coupling（RB）, establish after oil pressure, complete machine releases braking.
During complete machine straight-line travelling, foot brake valves are closed, i.e., upper connection；Two proportional pressure-reducing valves power off, commutation
Valve I is connected with the right side of reversal valve IV, left steering clutch（LC）With right turn clutch（RC）In draining state, transmission system
Kinetic force reaches driving wheel；Stopping brake valve is opened, i.e., right side is connected, and complete machine is in non-brake state.
During left steering, handle is offset to the left, and controller subtracts according to deviation angle according to control program is proportional to ratio
Pressure valve I is powered, and the left side of reversal valve I is acted on after the diverted pump of fluid, oil filter, fine filter, proportional pressure-reducing valve I, and reversal valve I is left
Position is connected, and system fluid enters left steering clutch（LC）, fluid is full of left steering clutch（LC）After gradually build up pressure, it is left
Steering cluth（LC）It is gradually disengaged until completely disengaged, realizes power cut.If left steering clutch in the process（LC）
When interior pressure rises to design load, II left position of reversal valve is connected, left brake coupling（LB）Draining, realize left side one side brake.Than
Example pressure-reducing valve I obtains electric current, and bias size is proportional to the left to handle.When other elements break-make situation is kept straight on complete machine in system
It is constant compared to holding.
During right turn, handle is offset to the right, and controller subtracts according to deviation angle according to control program is proportional to ratio
Pressure valve II is powered, and the left side of reversal valve IV, reversal valve are acted on after the diverted pump of fluid, oil filter, fine filter, proportional pressure-reducing valve II
IV left position is connected, and system fluid enters right turn clutch（RC）, fluid is full of right turn clutch（RC）After gradually build up pressure
Power, right turn clutch（RC）It is gradually disengaged until completely disengaged, realizes power cut.If right turn clutch in the process
（RC）When interior pressure rises to design load, III left position of reversal valve is connected, right brake coupling（RB）Draining, realize the unilateral system in right side
It is dynamic.Proportional pressure-reducing valve II obtains electric current, and bias size is proportional to the right to handle.Other elements break-make situation and complete machine in system
It is constant compared to holding during straight trip.
If meeting emergency in operation process, foot brake valves are stepped on, foot brake valves are opened, left brake coupling（LB）And the right side
Brake coupling（RB）By the quick draining of foot brake valves, brake hard is realized.
The beneficial effects of the utility model are：1）The utility model reliably can be realized first to turn to and braked afterwards.2）This practicality
It is new to be turned to rapidly without impact using controller and proportional pressure-reducing valve regulation steering pressure and simple in construction, it is easy to accomplish.3）
The utility model is easy to control accurate, and handling comfort is good.4）The utility model is simple in construction, cheap, and reliability is high, its
Application prospect is extensive, there is good economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1- proportional pressure-reducing valves I, 2- proportional pressure-reducing valves II, 3- reversal valves I, 4- reversal valves II, 5- reversal valves III, 6-
Reversal valve IV, 7- stopping brake valves, 8- foot brake valves, 9- left steering clutches, 10- right turn clutches, the left braking clutchs of 11-
Device, the right brake couplings of 12-, 13- fuel tanks, 14- steering pumps, 15- oil filters, 16- fine filters.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings.
Reference picture 1, a kind of new new electronic control braking in a turn system described in present embodiment, including automatically controlled hand
Handle, controller, oil supply system and the proportional pressure-reducing valve I 1 being connected with oil supply system, proportional pressure-reducing valve II 2, the electric control handle connect
It is connected to controller, controller connection proportional pressure-reducing valve I 1 and proportional pressure-reducing valve II 2；Angle signal is converted to electric current by electric control handle
Control signal, transmit to controller, current controling signal corresponding to controller output, the current controling signal is transmitted to ratio
Pressure-reducing valve I 1 and/or proportional pressure-reducing valve II 2, control bound valve core opening size；Also include reversal valve I 3, reversal valve II 4, commutation
Valve III 5, reversal valve IV 6, the reversal valve I 3, reversal valve II 4, reversal valve III 5, reversal valve IV 6 are respectively provided with control port A, supplied
Hydraulic fluid port D, drain tap C, middle hydraulic fluid port B, reversal valve I 3, reversal valve II 4, reversal valve III 5, reversal valve IV 6 drain tap C with oil
Case is connected, reversal valve I 3, the oil-feed port D connection oil supply systems of reversal valve IV 6, reversal valve II 4, the oil-feed port D of reversal valve III 5
Connection stopping brake valve 7, the connection oil supply system of stopping brake valve 7, the control port A connections proportional pressure-reducing valve I 1 of reversal valve I 3,
The middle hydraulic fluid port B of the control port A connections reversal valve I 3 of reversal valve II 4, the control port A connections ratio decompression of reversal valve IV 6
Valve II 2, the middle hydraulic fluid port B of the control port A connections reversal valve IV 6 of reversal valve III 5, the middle hydraulic fluid port B connections of reversal valve I 3 are left
Steering cluth 9, the middle left brake coupling 11 of hydraulic fluid port B connections of reversal valve II 4, the right system of the middle hydraulic fluid port B connections of reversal valve III 5
Dynamic clutch 12, the middle hydraulic fluid port B connection right turns clutch 10 of reversal valve IV 6, left brake coupling 11, right brake coupling
12 are connected with foot brake valves 8.
Described oil supply system includes fuel tank 13, steering pump 14, oil filter 15 and fine filter 16, the oil inlet of steering pump 14
Connect fuel tank 13, the oil-out connection oil filter 15 of steering pump 14, oil filter 15 and proportional pressure-reducing valve I 1, proportional pressure-reducing valve II 2
Between oil circuit on be additionally provided with fine filter 16.
Described reversal valve I 3, reversal valve II 4, reversal valve III 5, reversal valve IV 6 are integrated on a main valve block.
Described proportional pressure-reducing valve I 1, proportional pressure-reducing valve II 2 use proportional pressure-reducing valve open in usual.
Described electric control handle deviation angle relation proportional to controller output current.
The operation principle of present embodiment：When complete machine has just opened car, foot brake valves are closed, i.e., upper to connect
It is logical；Two proportional pressure-reducing valves are powered off, and reversal valve I is connected with the right side of reversal valve IV, left steering clutch（LC）With right turn clutch
（RC）In draining state；Stopping brake valve is located at closed mode, and left side is connected, and reversal valve II is connected with the right side of reversal valve III,
Left brake coupling（LB）With right brake coupling（RB）In draining state, complete machine keeps braking；Stopping brake valve is opened
Afterwards, i.e., right side is connected, and fluid is from after the diverted pump of fuel tank, oil filter, stopping brake valve, respectively by reversal valve II and commutation
Valve III, into left brake coupling（LB）With right brake coupling（RB）, establish after oil pressure, complete machine releases braking.
During complete machine straight-line travelling, foot brake valves are closed, i.e., upper connection；Two proportional pressure-reducing valves power off, commutation
Valve I is connected with the right side of reversal valve IV, left steering clutch（LC）With right turn clutch（RC）In draining state, transmission system
Kinetic force reaches driving wheel；Stopping brake valve is opened, i.e., right side is connected, and complete machine is in non-brake state.
During left steering, handle is offset to the left, and controller subtracts according to deviation angle according to control program is proportional to ratio
Pressure valve I is powered, and the left side of reversal valve I is acted on after the diverted pump of fluid, oil filter, fine filter, proportional pressure-reducing valve I, and reversal valve I is left
Position is connected, and system fluid enters left steering clutch（LC）, fluid is full of left steering clutch（LC）After gradually build up pressure, it is left
Steering cluth（LC）It is gradually disengaged until completely disengaged, realizes power cut.If left steering clutch in the process（LC）
When interior pressure rises to design load, II left position of reversal valve is connected, left brake coupling（LB）Draining, realize left side one side brake.Than
Example pressure-reducing valve I obtains electric current, and bias size is proportional to the left to handle.When other elements break-make situation is kept straight on complete machine in system
It is constant compared to holding.
During right turn, handle is offset to the right, and controller subtracts according to deviation angle according to control program is proportional to ratio
Pressure valve II is powered, and the left side of reversal valve IV, reversal valve are acted on after the diverted pump of fluid, oil filter, fine filter, proportional pressure-reducing valve II
IV left position is connected, and system fluid enters right turn clutch（RC）, fluid is full of right turn clutch（RC）After gradually build up pressure
Power, right turn clutch（RC）It is gradually disengaged until completely disengaged, realizes power cut.If right turn clutch in the process
（RC）When interior pressure rises to design load, III left position of reversal valve is connected, right brake coupling（RB）Draining, realize the unilateral system in right side
It is dynamic.Proportional pressure-reducing valve II obtains electric current, and bias size is proportional to the right to handle.Other elements break-make situation and complete machine in system
It is constant compared to holding during straight trip.
If meeting emergency in operation process, foot brake valves are stepped on, foot brake valves are opened, left brake coupling（LB）And the right side
Brake coupling（RB）By the quick draining of foot brake valves, brake hard is realized.
Specific embodiment of the utility model is not formed to limitation of the present utility model, every to use phase of the present utility model
Like structure and change, in the scope of protection of the utility model.
Claims (5)
- A kind of 1. new electronic control braking in a turn system, it is characterised in that：Including electric control handle, controller, oil supply system and with confession The connected proportional pressure-reducing valve I of oil system（1）, proportional pressure-reducing valve II（2）, the electric control handle is connected to controller, and controller connects Connect proportional pressure-reducing valve I（1）And proportional pressure-reducing valve II（2）；Angle signal is converted to current controling signal by electric control handle, transmit to Controller, current controling signal corresponding to controller output, the current controling signal are transmitted to proportional pressure-reducing valve I（1）And/or Proportional pressure-reducing valve II（2）, control bound valve core opening size；Also include reversal valve I（3）, reversal valve II（4）, reversal valve III （5）, reversal valve IV（6）, the reversal valve I（3）, reversal valve II（4）, reversal valve III（5）, reversal valve IV（6）It is respectively provided with control Hydraulic fluid port, oil-feed port, drain tap, middle hydraulic fluid port, reversal valve I（3）, reversal valve II（4）, reversal valve III（5）, reversal valve IV（6）'s Drain tap is connected with fuel tank, reversal valve I（3）, reversal valve IV（6）Oil-feed port connection oil supply system, reversal valve II（4）、 Reversal valve III（5）Oil-feed port connection stopping brake valve（7）, stopping brake valve（7）Connect oil supply system, reversal valve I（3）Control Liquefaction mouth connects proportional pressure-reducing valve I（1）, reversal valve II（4）Control port connection reversal valve I（3）Middle hydraulic fluid port, reversal valve Ⅳ（6）Control port connection proportional pressure-reducing valve II（2）, reversal valve III（5）Control port connection reversal valve IV（6）Centre Hydraulic fluid port, reversal valve I（3）Middle hydraulic fluid port connection left steering clutch（9）, reversal valve II（4）Middle hydraulic fluid port connect left braking Clutch（11）, reversal valve III（5）Middle hydraulic fluid port connects right brake coupling（12）, reversal valve IV（6）Middle hydraulic fluid port connection Right turn clutch（10）, left brake coupling（11）, right brake coupling（12）And foot brake valves（8）Connection.
- A kind of 2. new electronic control braking in a turn system as claimed in claim 1, it is characterised in that：Described oil supply system includes Fuel tank（13）, steering pump（14）, oil filter（15）And fine filter（16）, steering pump（14）Oil inlet connection fuel tank（13）, turn To pump（14）Oil-out connection oil filter（15）, oil filter（15）With proportional pressure-reducing valve I（1）, proportional pressure-reducing valve II（2）Between Oil circuit on be additionally provided with fine filter（16）.
- A kind of 3. new electronic control braking in a turn system as claimed in claim 1, it is characterised in that：Described reversal valve I（3）、 Reversal valve II（4）, reversal valve III（5）, reversal valve IV（6）It is integrated on a main valve block.
- A kind of 4. new electronic control braking in a turn system as claimed in claim 1, it is characterised in that：Described proportional pressure-reducing valve I （1）, proportional pressure-reducing valve II（2）Using proportional pressure-reducing valve open in usual.
- A kind of 5. new electronic control braking in a turn system as claimed in claim 1, it is characterised in that：Described electric control handle skew Angle relation proportional to controller output current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732650.4U CN206900468U (en) | 2017-06-22 | 2017-06-22 | A kind of new electronic control braking in a turn system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732650.4U CN206900468U (en) | 2017-06-22 | 2017-06-22 | A kind of new electronic control braking in a turn system |
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| Publication Number | Publication Date |
|---|---|
| CN206900468U true CN206900468U (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720732650.4U Active CN206900468U (en) | 2017-06-22 | 2017-06-22 | A kind of new electronic control braking in a turn system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360600A (en) * | 2018-04-04 | 2018-08-03 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading mechanomotive force distribution control system and control method |
| CN111501869A (en) * | 2020-05-20 | 2020-08-07 | 三一重机有限公司 | Electric control hydraulic servo control system and method and electric excavator |
| CN112606903A (en) * | 2021-01-25 | 2021-04-06 | 第一拖拉机股份有限公司 | Mechanical-electrical-hydraulic integrated control crawler tractor steering system |
| CN113023612A (en) * | 2021-04-01 | 2021-06-25 | 中联重科股份有限公司 | Equipment parking method and device, crane, electronic equipment and readable medium |
-
2017
- 2017-06-22 CN CN201720732650.4U patent/CN206900468U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360600A (en) * | 2018-04-04 | 2018-08-03 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading mechanomotive force distribution control system and control method |
| CN108360600B (en) * | 2018-04-04 | 2023-06-06 | 徐工集团工程机械股份有限公司科技分公司 | Power distribution control system and control method for loader |
| CN111501869A (en) * | 2020-05-20 | 2020-08-07 | 三一重机有限公司 | Electric control hydraulic servo control system and method and electric excavator |
| CN112606903A (en) * | 2021-01-25 | 2021-04-06 | 第一拖拉机股份有限公司 | Mechanical-electrical-hydraulic integrated control crawler tractor steering system |
| CN112606903B (en) * | 2021-01-25 | 2022-02-01 | 第一拖拉机股份有限公司 | Mechanical-electrical-hydraulic integrated control crawler tractor steering system |
| CN113023612A (en) * | 2021-04-01 | 2021-06-25 | 中联重科股份有限公司 | Equipment parking method and device, crane, electronic equipment and readable medium |
| CN113023612B (en) * | 2021-04-01 | 2022-03-01 | 中联重科股份有限公司 | Equipment parking method and device, crane, electronic equipment and readable medium |
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