CN110077227A - A kind of high-power hydraulic mechanical transmission box and its control method - Google Patents
A kind of high-power hydraulic mechanical transmission box and its control method Download PDFInfo
- Publication number
- CN110077227A CN110077227A CN201910313101.7A CN201910313101A CN110077227A CN 110077227 A CN110077227 A CN 110077227A CN 201910313101 A CN201910313101 A CN 201910313101A CN 110077227 A CN110077227 A CN 110077227A
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- China
- Prior art keywords
- mechanical transmission
- converter
- fluid torque
- power
- clutch
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
- B60K2025/065—Auxiliary drives from the transmission power take-off the transmission being fluidic, e.g. hydraulic
Abstract
The present invention relates to a kind of high-power hydraulic mechanical transmission box and its control methods, including the fluid torque-converter set gradually from front to back, Retarder, gear shift sleeve and mechanical transmission, the fluid torque-converter is equipped with lock-up clutch, the input terminal of fluid torque-converter is connect with engine, the output end of fluid torque-converter is connected by the input terminal of transmission shaft and gear shift sleeve, the impeller of rotor of Retarder passes through slow gear and transmission axis connection, the axis outlet of gear shift sleeve and the axis of mechanical transmission enter axis connection, mechanical transmission is equipped with the first power output shaft.It has the advantages that compact-sized, output torque is big, high reliablity, stability are good.Control method has the advantages that process simple, high degree of automation, safe and reliable.
Description
Technical field
The present invention relates to a kind of gearboxes, and in particular to a kind of high-power hydraulic machine change for multiaxis superduty chassis
Fast case and its control method.
Background technique
With the development of engineering machinery and military special type vehicle, vehicle weight (self weight+load-carrying) is increasing, this is bottom of to
The bearing capacity and power performance of disk are proposed requirements at the higher level, as the important component of chassis power drive mechanism, liquid
The performance and reliability of power mechanical gear box directly affect the dynamic property and safety on chassis.Existing hydraulic mechanical transmission box
Be unable to satisfy demand of the multiaxis superduty chassis to high-power, big braking moment, and its that there are volumes is larger, poor reliability
Problem.
Summary of the invention
The object of the present invention is to provide a kind of high-power hydraulic mechanical transmission box and its control method, gearbox has structure
Advantage compact, output torque is big, high reliablity, stability are good；Control method simple, high degree of automation, peace with process
Complete reliable advantage.
For solve the above-mentioned problems in the prior art, a kind of high-power hydraulic mechanical transmission box provided by the invention,
Including fluid torque-converter, Retarder, gear shift sleeve and the mechanical transmission set gradually from front to back, the fluid power becomes
Square device is equipped with lock-up clutch, and the input terminal of fluid torque-converter is connect with engine, and the output end of fluid torque-converter passes through transmission
The impeller of rotor of the connection of the input terminal of axis and gear shift sleeve, Retarder passes through slow gear and transmission axis connection, gear shift
The axis outlet of clutch and the axis of mechanical transmission enter axis connection, and mechanical transmission is equipped with the first power output shaft.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein further include first connect with oil sump
Oil pump and the second oil pump, first oil pump are used to provide pressure oil, second oil for fluid torque-converter and Retarder
Pump is for providing pressure oil for mechanical transmission.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein it further include power takeoff, the power takeoff
Input terminal and mechanical transmission the second power output axis connection, power takeoff be equipped with power taking output shaft.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein the power takeoff is connected with control gas
Cylinder.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein the gear shift sleeve is friction disk type
Clutch.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein further include detection system and control system
System, the detection system are used to detect the operation shape of fluid torque-converter, Retarder, gear shift sleeve and mechanical transmission
State, the control system include unblock subsystem and slow automatic control subsystem, and the subsystem that unblocks is for controlling locking
Clutch unblocks, and the slow automatic control subsystem is used to control the retarder brake gear of Retarder.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein the control system further includes clutch
Protected subsystem is carried, the clutch overload protection subsystem is used to be in bending moment operating condition, and mechanical transmission in fluid torque-converter
In non-neutral gear, and when clutch pedal is operated, lock gas pedal.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein the control system further includes that failure is examined
Disconnected and alert sub-system, the fault diagnosis and alert sub-system are used for when fluid torque-converter or Retarder break down
Issue fault message and alarm signal.
Further, a kind of high-power hydraulic mechanical transmission box of the present invention, wherein the control system further includes that gear shift mentions
Show that subsystem, the gear shift prompt subsystem are used to prompt gear-shifting information when gear shift.
The control method of the above-mentioned high-power hydraulic mechanical transmission box of one kind provided by the invention, comprising the following steps:
One, when low vehicle speeds or climbing when driving, make fluid torque-converter with bending moment operating condition operation, when vehicle high-speed row
When sailing, make fluid torque-converter to be latched operating condition operation；The bending moment operating condition refers to that fluid torque-converter is in solution in lock-up clutch
Operating status when lock, the locking operating condition refer to operating status of the fluid torque-converter when lock-up clutch is in locking；
Two, when the vehicle is driving downhill, run Retarder with decelerating mode, the decelerating mode refers to that fluid power is slow
The operating status that fast device is oil-filled when generating braking moment；
Three, when fluid torque-converter is in bending moment operating condition, and mechanical transmission is in non-neutral gear, and clutch pedal is operated
When, lock gas pedal.
A kind of high-power hydraulic mechanical transmission box of the present invention and its control method compared with prior art, have following excellent
Point: fluid torque-converter, Retarder, gear shift sleeve and the mechanical speed change that the present invention is sequentially distributed from front to back by setting
Device, fluid torque-converter are equipped with lock-up clutch, connect the input terminal of fluid torque-converter with engine, make the defeated of fluid torque-converter
Outlet is connected by the input terminal of transmission shaft and gear shift sleeve, is made the impeller of rotor of Retarder by slow gear and is passed
Moving axis connection, the axis of the axis outlet and mechanical transmission that make gear shift sleeve enter axis connection, and mechanical transmission is made to be arranged first
Power output shaft.Thus a kind of high-power fluid power compact-sized, output torque is big, high reliablity, stability are good is just constituted
The power of mechanical gear box, engine output passes to mechanical transmission by fluid torque-converter and gear shift sleeve, through machinery
It can be exported by the first power output shaft after the certain transmission ratio of speed changer.In practical applications, allow fluid torque-converter with bending moment
Operating condition and locking operating condition two-mode operation, under bending moment operating condition can adaptive running resistance, increase the torque of engine, improve vehicle
Low-speed performance, be latched under operating condition and the traveling fuel economy of vehicle can be improved；Allow hydrodynamic retarding when the vehicle is driving downhill
Device is run with decelerating mode, can provide auxiliary braking for vehicle, improves reliability and safety, the present invention is by delaying fluid power
The front side of gear shift sleeve and mechanical transmission is arranged in fast device, on the one hand can efficiently use the low-grade large speed ratio of mechanical transmission
Increase retarder brake torque, on the other hand Retarder and fluid torque-converter can be made to share same oil pump, be conducive to simplify knot
Structure and reduction volume, improve the compactedness of structure.Show that the present invention can fully meet multiaxis superduty chassis through practical application
Demand to high-power, big braking moment, and have the advantages that performance stabilization, high reliablity, maintainability are good.It is provided by the invention
The control method of high-power hydraulic mechanical transmission box has the advantages that process simple, high degree of automation, safe and reliable.
Shown specific embodiment is to a kind of high-power hydraulic mechanical transmission box of the present invention and its control with reference to the accompanying drawing
Method is described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-power hydraulic mechanical transmission box of the present invention.
Specific embodiment
Firstly the need of explanation, the nouns of locality such as heretofore described up, down, left, right, before and after only with reference to the accompanying drawings into
Capable description, in order to understand, not to technical solution of the present invention and be claimed range progress limitation.
A kind of specific embodiment of high-power hydraulic mechanical transmission box of the present invention as shown in Figure 1, including from front to back according to
Fluid torque-converter 1, Retarder 2, gear shift sleeve 3 and the mechanical transmission 4 of secondary setting, wherein fluid torque-converter 1 is equipped with
Lock-up clutch 11.It connect the input terminal of fluid torque-converter 1 with engine, the output end of fluid torque-converter 1 is made to pass through transmission
Axis is connect with the input terminal of gear shift sleeve 3, connects the impeller of rotor 21 of Retarder 2 with transmission shaft by slow gear 22
It connects, the axis of the axis outlet for making gear shift sleeve 3 and mechanical transmission 4 enters axis connection, and makes mechanical transmission 4 that the first power be arranged
Output shaft 41, so as to output power.
Be arranged through the above structure just constitute it is a kind of it is compact-sized, that output torque is big, high reliablity, stability are good is big
The power of power hydraulic mechanical transmission box, engine output passes to mechanical speed change by fluid torque-converter 1 and gear shift sleeve 3
Device 4 can be exported after the certain transmission ratio of mechanical transmission 4 by the first power output shaft 41.In practical applications, fluid power is allowed
Torque-converters 1 with bending moment operating condition and locking operating condition two-mode operation, under bending moment operating condition can adaptive running resistance, increase engine
Torque improves the low-speed performance of vehicle, is latched the traveling fuel economy that vehicle can be improved under operating condition；When vehicle descent run
When allow Retarder 2 to run with decelerating mode, auxiliary braking can be provided for vehicle, improve reliability and safety, this hair
The bright front side by the way that Retarder 2 to be arranged in gear shift sleeve 3 and mechanical transmission 4, on the one hand can efficiently use machinery
The low-grade large speed ratio of speed changer 4 increases retarder brake torque, and Retarder 2 and fluid torque-converter 1 can on the other hand shared
Same oil pump is conducive to simplify structure and reduces volume, improves the compactedness of structure.Show that the present invention can through practical application
Demand of the multiaxis superduty chassis to high-power, big braking moment is fully met, and stable, high reliablity excellent with performance
Point.
As specific embodiment, the present invention is provided with the first oil pump 5 and the second oil pump 6 connecting with oil sump, wherein
First oil pump 5 is used to provide pressure oil for fluid torque-converter 1 and Retarder 2, and the second oil pump 6 is used to be mechanical transmission 4
Pressure oil is provided, to guarantee to use oil pressure needed for its work.Meanwhile the present invention is also provided with power takeoff 7, and makes power takeoff 7
Input terminal connect with the second power output shaft 42 of mechanical transmission 4, the power taking output shaft 71 being arranged by power takeoff 7
Realize driving and force taking of parking function.And it is connect power takeoff 7 and the control cylinder (not shown) of setting, by controlling gas
Cylinder access compressed air can make 7 power taking of power takeoff；And disconnecting compressed air then can make power takeoff 7 pluck shelves automatically, have structure
Simply, the easy feature of control.It should be noted that gear shift sleeve 3 in the present invention is using friction plate clutch,
It has the advantages that chassis starting is steady, gear shift is smooth.
As prioritization scheme, present embodiment is provided with detection system and control system, and detection system is for detecting
The operating status of fluid torque-converter 1, Retarder 2, gear shift sleeve 3 and mechanical transmission 4, control system specifically include solution
It is latched subsystem and slow automatic control subsystem.Wherein, the subsystem that unblocks is for controlling unblocking for lock-up clutch 11, to protect
Card vehicle possesses enough power performance running at a low speed or climb when driving, and fuel oil can be saved when running at high speed, and improves and passes through
Ji property；Slow automatic control subsystem is used to control the retarder brake gear of Retarder 2, to guarantee that vehicle possesses foot in descending
Enough braking moments.Further, present embodiment also allows set-up of control system clutch overload protection subsystem, failure
Diagnosis and alert sub-system and gear shift prompt subsystem, wherein clutch overload protection subsystem in fluid torque-converter 1 for being in
Bending moment operating condition, and mechanical transmission 4 is in non-neutral gear, and when clutch pedal is operated, locks gas pedal, to avoid changing
Shelves clutch 3 overloads；Fault diagnosis and alert sub-system are used to send out when fluid torque-converter 1 or Retarder 2 break down
The information that is out of order and alarm signal so as to the working condition of driver's real-time judge hydraulic mechanical transmission box, and make correct behaviour
Make；Gear shift prompt subsystem is used to prompt gear-shifting information when gear shift, to help driver to carry out correct gear-change operation.
Based on same design, the present invention provides a kind of control methods of above-mentioned high-power hydraulic mechanical transmission box, specifically
The following steps are included:
One, when low vehicle speeds or climbing when driving, make fluid torque-converter 1 with bending moment operating condition operation；Work as vehicle high-speed
When driving, make fluid torque-converter 1 to be latched operating condition operation.
Bending moment operating condition refers to operating status of the fluid torque-converter 1 when lock-up clutch 11 is in unlock；The locking work
Condition refers to operating status of the fluid torque-converter 1 when lock-up clutch 11 is in locking.
Two, Retarder 2 is run with decelerating mode.Decelerating mode refers to hydrodynamic retarding
Device 2 it is oil-filled generate braking moment when operating status.
Three, when fluid torque-converter 1 is in bending moment operating condition, and mechanical transmission 4 is in non-neutral gear, and clutch pedal is stepped on
When lower, lock gas pedal, to avoid the overload of gear shift sleeve 3.
The present invention is made vehicle have enough power in low speed or climbing, is had in high speed by the above control method
There is good fuel economy, there is enough braking moments in descending, and there is 3 overload protection function of gear shift sleeve,
Improve the stability, reliability and safety of vehicle.
Above embodiments are only the descriptions carried out to the preferred embodiment of the present invention, and model not is claimed to the present invention
It encloses and is defined, without departing from the design concept of the invention, the technical solution of those skilled in the art according to the present invention
The various modifications made, should fall within the scope of protection determined by the claims of the present invention.
Claims (10)
1. a kind of high-power hydraulic mechanical transmission box, which is characterized in that including the fluid torque-converter set gradually from front to back
(1), Retarder (2), gear shift sleeve (3) and mechanical transmission (4), the fluid torque-converter (1) are equipped with locking clutch
The input terminal of device (11), fluid torque-converter (1) is connect with engine, and the output end of fluid torque-converter (1) passes through transmission shaft and changes
The input terminal connection of shelves clutch (3), the impeller of rotor (21) of Retarder (2) are connected by slow gear (22) and transmission shaft
It connects, the axis outlet of gear shift sleeve (3) and the axis of mechanical transmission (4) enter axis connection, and mechanical transmission (4) is equipped with the first power
Output shaft (41).
2. a kind of high-power hydraulic mechanical transmission box according to claim 1, which is characterized in that further include connecting with oil sump
The first oil pump (5) and the second oil pump (6) connect, first oil pump (5) are used to be fluid torque-converter (1) and Retarder
(2) pressure oil is provided, second oil pump (6) is used to provide pressure oil for mechanical transmission (4).
3. a kind of high-power hydraulic mechanical transmission box according to claim 2, which is characterized in that it further include power takeoff (7),
The input terminal of the power takeoff (7) is connect with the second power output shaft (42) of mechanical transmission (4), and power takeoff (7) is equipped with and takes
Power output shaft (71).
4. a kind of high-power hydraulic mechanical transmission box according to claim 3, which is characterized in that the power takeoff (7) is even
It is connected to control cylinder.
5. a kind of high-power hydraulic mechanical transmission box according to claim 4, which is characterized in that the gear shift sleeve
It (3) is friction plate clutch.
6. a kind of high-power hydraulic mechanical transmission box according to claim 5, which is characterized in that further include detection system and
Control system, the detection system is for detecting fluid torque-converter (1), Retarder (2), gear shift sleeve (3) and machinery
The operating status of speed changer (4), the control system include unblock subsystem and slow automatic control subsystem, the son that unblocks
System is for controlling unblocking for lock-up clutch (11), and the slow automatic control subsystem is for controlling Retarder (2)
Retarder brake gear.
7. a kind of high-power hydraulic mechanical transmission box according to claim 6, which is characterized in that the control system is also wrapped
Clutch overload protection subsystem is included, the clutch overload protection subsystem is used to be in bending moment operating condition in fluid torque-converter (1), and
Mechanical transmission (4) is in non-neutral gear, and when clutch pedal is operated, locks gas pedal.
8. a kind of high-power hydraulic mechanical transmission box according to claim 6, which is characterized in that the control system is also wrapped
Fault diagnosis and alert sub-system are included, the fault diagnosis and alert sub-system are used in fluid torque-converter (1) or hydrodynamic retarding
Fault message and alarm signal are issued when device (2) breaks down.
9. a kind of high-power hydraulic mechanical transmission box according to claim 6, which is characterized in that the control system is also wrapped
Gear shift prompt subsystem is included, the gear shift prompt subsystem is used to prompt gear-shifting information when gear shift.
10. the control method of high-power hydraulic mechanical transmission box described in a kind of claim 1, which is characterized in that including following step
It is rapid:
One, when low vehicle speeds or climbing when driving, make fluid torque-converter (1) with bending moment operating condition operation, when vehicle high-speed row
When sailing, make fluid torque-converter (1) to be latched operating condition operation；The bending moment operating condition refers to fluid torque-converter (1) in lock-up clutch
(11) in unlock operating status when, the locking operating condition refer to that fluid torque-converter (1) is in lock-up clutch (11) and close
Operating status when lock；
Two, run Retarder (2) with decelerating mode, the decelerating mode refers to that fluid power is slow
The operating status that fast device (2) is oil-filled when generating braking moment；
Three, when fluid torque-converter (1) is in bending moment operating condition, and mechanical transmission (4) is in non-neutral gear, and clutch pedal is stepped on
When lower, lock gas pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313101.7A CN110077227A (en) | 2019-04-18 | 2019-04-18 | A kind of high-power hydraulic mechanical transmission box and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313101.7A CN110077227A (en) | 2019-04-18 | 2019-04-18 | A kind of high-power hydraulic mechanical transmission box and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110077227A true CN110077227A (en) | 2019-08-02 |
Family
ID=67415486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910313101.7A Pending CN110077227A (en) | 2019-04-18 | 2019-04-18 | A kind of high-power hydraulic mechanical transmission box and its control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110077227A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110889252A (en) * | 2019-12-05 | 2020-03-17 | 格特拉克（江西）传动系统有限公司 | Tolerance analysis method for clutch friction plate of wet-type dual-clutch transmission |
| CN111016854A (en) * | 2019-10-25 | 2020-04-17 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic-mechanical combined braking system for integral explosion-proof vehicle in coal mine |
| CN113324006A (en) * | 2021-06-24 | 2021-08-31 | 陕西法士特齿轮有限责任公司 | Hydraulic torque converter assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016854A (en) * | 2019-10-25 | 2020-04-17 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic-mechanical combined braking system for integral explosion-proof vehicle in coal mine |
| CN111016854B (en) * | 2019-10-25 | 2021-07-06 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic-mechanical combined braking system for integral explosion-proof vehicle in coal mine |
| CN110889252A (en) * | 2019-12-05 | 2020-03-17 | 格特拉克（江西）传动系统有限公司 | Tolerance analysis method for clutch friction plate of wet-type dual-clutch transmission |
| CN110889252B (en) * | 2019-12-05 | 2023-04-28 | 麦格纳动力总成(江西)有限公司 | Wet type double-clutch transmission clutch friction plate tolerance analysis method |
| CN113324006A (en) * | 2021-06-24 | 2021-08-31 | 陕西法士特齿轮有限责任公司 | Hydraulic torque converter assembly |
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Application publication date: 20190802 |
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| RJ01 | Rejection of invention patent application after publication |