CN113276669A - Hydraulic transmission system with brake retarder - Google Patents

Hydraulic transmission system with brake retarder Download PDF

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Publication number
CN113276669A
CN113276669A CN202010384151.7A CN202010384151A CN113276669A CN 113276669 A CN113276669 A CN 113276669A CN 202010384151 A CN202010384151 A CN 202010384151A CN 113276669 A CN113276669 A CN 113276669A
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CN
China
Prior art keywords
hydraulic
gearbox
vehicle
axle
retarder
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
Application number
CN202010384151.7A
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Chinese (zh)
Inventor
杨厚昌
陈浩
王江
鞠小李
张晓磊
李抗
方承烨
黄屾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemac Engineering Machinery Co Ltd
Original Assignee
Gemac Engineering Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gemac Engineering Machinery Co Ltd filed Critical Gemac Engineering Machinery Co Ltd
Priority to CN202010384151.7A priority Critical patent/CN113276669A/en
Publication of CN113276669A publication Critical patent/CN113276669A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • 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
    • 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
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect

Abstract

The invention relates to a hydraulic transmission system with a brake retarder. The hydraulic retarder is matched with a transmission part in a matching mode, the hydraulic retarder is connected with a hydraulic transmission box single end in parallel, the hydraulic retarder is connected with the hydraulic transmission box single end in series, the hydraulic retarder is connected with a hydraulic torque converter single end in series, the hydraulic retarder is connected with the far end of an axle gear box in series, the hydraulic retarder is connected with the hydraulic transmission box double end in series, and various matching modes can be transmitted to the hydraulic retarder through a corresponding axle gear box to realize vehicle speed control. When the vehicle runs, the hydraulic retarder is matched with the transmission part, and when the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the engine outputs power to drive the vehicle to run through the transmission part. When the vehicle brakes, the transmission part is automatically disengaged, the hydraulic retarder generates braking force, the kinetic energy of the vehicle is converted into heat energy, the running speed of the vehicle is reduced, and the speed control of the vehicle is realized. The invention has the advantages of simple structure, convenient matching, effective braking and safe operation.

Description

Hydraulic transmission system with brake retarder
Technical Field
The invention relates to the technical field of power transmission and braking of railway vehicles, in particular to a hydraulic transmission system with a brake retarder.
Background
In the prior art, a brake system of a railway vehicle adopts a pneumatic brake shoe brake mechanism, and the brake shoe brake mechanism has the defects of brake shoe abrasion, brake shoe overheating and frequent repair, which can directly increase the maintenance cost and influence the driving safety.
Disclosure of Invention
The invention provides a hydraulic transmission system with a brake retarder, which can effectively realize hydraulic transmission control on the running speed of a railway vehicle and reliably ensure the running safety of the railway vehicle. Particularly on long ramp lines of a railway, the system has unique safety and advantages.
The technical scheme of the invention is as follows: a hydraulic transmission system with a braking retarder is designed, and the hydraulic retarder and a transmission part have five matching modes.
First, the hydrodynamic retarder is matched with a single head of a hydrodynamic transmission in parallel: the engine is directly connected with the hydraulic gearbox, the hydraulic retarder is installed on the hydraulic gearbox in parallel, the hydraulic gearbox is connected with the first axle gearbox through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox through the transmission shaft. When the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the output power of the engine is transmitted to the first axle gear box and the second axle gear box through the hydraulic gearbox to drive the vehicle to run. During power braking, the hydraulic transmission box is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, and the kinetic energy is converted into heat energy through the work done by friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
Second, hydraulic retarber and hydraulic transmission single-end series connection cooperation: the engine is directly connected with the hydraulic gearbox, the hydraulic gearbox is connected with the hydraulic retarder through a transmission shaft, the hydraulic retarder is connected with the first axle gearbox through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox through the transmission shaft. When the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the output power of the engine is transmitted to the first axle gear box and the second axle gear box through the hydraulic gearbox to drive the vehicle to run. During power braking, the hydraulic transmission box is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, and the kinetic energy is converted into heat energy through the work done by friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
Thirdly, the hydrodynamic retarder is in series connection with a single end of the hydrodynamic torque converter: the engine is directly connected with the hydraulic torque converter, the hydraulic torque converter is connected with the hydraulic retarder through a transmission shaft, the hydraulic retarder is connected with the mechanical gearbox through the transmission shaft, the mechanical gearbox is connected with the first axle gearbox through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox through the transmission shaft. When the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the output power of the engine is transmitted to the first axle gear box and the second axle gear box through the hydraulic torque converter and the mechanical gearbox to drive the vehicle to run. When the vehicle is braked, the hydraulic torque converter is automatically disconnected, the kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box and the mechanical gearbox, and the kinetic energy is converted into heat energy through the work done by friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
Fourth, the hydrodynamic retarder is in series fit with the distal end of the axle gearbox: the engine is directly connected with the hydraulic gearbox, the hydraulic gearbox is connected with a first axle gearbox through a transmission shaft, the first axle gearbox is connected with a second axle gearbox through a transmission shaft, and the second axle gearbox is connected with the hydraulic retarder through a transmission shaft. When the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the output power of the engine is transmitted to the first axle gear box and the second axle gear box through the hydraulic gearbox to drive the vehicle to run. During power braking, the hydraulic transmission box is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, and the kinetic energy is converted into heat energy through the work done by friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
And fifthly, the hydraulic retarder is matched with the hydraulic gearbox in a double-head series connection mode: the engine is directly connected with the hydraulic transmission case; one end of the hydraulic speed changing box is connected with a standby hydraulic speed reducer through a transmission shaft, and the hydraulic speed reducer is connected with the first axle gearbox through the transmission shaft; the first axle gearbox is connected with the second axle gearbox through a transmission shaft, the other end of the hydraulic gearbox is connected with a hydraulic retarder through a transmission shaft, and the hydraulic retarder is connected with the third axle gearbox through the transmission shaft; the third axle gear box is connected with the fourth axle gear box through a transmission shaft. When the vehicle runs at a high speed, the hydraulic retarder is in an off state, and the output power of the engine is transmitted to the third axle gear box and the fourth axle gear box through the hydraulic gearbox; meanwhile, the engine can also transmit the output power to the first axle gear box and the second axle gear box through the standby hydraulic retarder to drive the vehicle to run. During power braking, the hydraulic transmission box is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, and the kinetic energy is converted into heat energy through the work done by friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
The beneficial technical effects of the invention are as follows: because the hydraulic retarder and the transmission component have multiple matching modes, the hydraulic retarder can reduce the running speed of the vehicle by using friction braking force, and the speed control of the vehicle is realized. Meanwhile, when the vehicle runs, the hydraulic retarder is matched with each transmission part, and when the transmission part runs at a high speed, the hydraulic retarder is in an off state, so that the output power of the engine can be transmitted to the corresponding axle gear box through the transmission part to drive the vehicle to run. In addition, when the vehicle is braked, the transmission part is automatically disengaged, and the hydraulic retarder works to generate braking force, so that the kinetic energy of the vehicle can be converted into heat energy through the work done by friction braking force, the running speed of the vehicle is reduced, and the speed control of the vehicle is realized. The invention also has the advantages of simple structure, convenient matching, effective braking and safe operation.
Drawings
FIG. 1 is a schematic diagram of a retarder and a gearbox connected in parallel at a single end; FIG. 2 is a schematic diagram of a single-ended series connection of a retarder and a transmission; FIG. 3 is a schematic diagram of a single-ended series connection of a retarder and a torque converter; FIG. 4 is a schematic illustration of a retarder in series with the distal end of the gearbox; FIG. 5 is a schematic diagram of a dual-head series connection of a retarder and a transmission.
In the figure, 1, an engine, 2, a hydraulic gearbox, 3, a hydraulic retarder, 4, a first axle gearbox, 5, a second axle gearbox, 6, a mechanical gearbox, 7, a hydraulic torque converter, 8, a third axle gearbox, 9, a fourth axle gearbox, 10, a transmission shaft, 11 and a standby hydraulic retarder.
Detailed Description
The invention will be further explained in two parts with reference to the embodiments provided in the drawings.
The first part, the transmission principle.
When the vehicle runs, the hydraulic retarder is matched with the engine, the hydraulic gearbox, the mechanical gearbox, the hydraulic torque converter and the axle gearboxes. When the vehicle brakes, the power unit is automatically disconnected, the hydraulic retarder works to generate braking force, and kinetic energy of the vehicle is converted into heat energy through the work of friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
And in the second part, five matching modes of transmission processes.
The first type, hydraulic retarder and hydraulic transmission box have the advantages that the hydraulic retarder is matched with the hydraulic transmission box in parallel through a single head: referring to fig. 1, the engine is direct to link to each other with hydraulic transmission two, and hydraulic transmission three parallelly connected installs in hydraulic transmission two, and hydraulic transmission two have a driving shaft and be provided with first axletree gearbox four and link to each other, and first axletree gearbox gives and has a driving shaft and be provided with and second axletree gearbox and link to each other. When the transmission device is used for high-speed driving of a vehicle, the hydraulic retarder three is in a disconnecting state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox and drives the vehicle to run. During power braking, the hydraulic transmission box has the advantages that the hydraulic transmission box is automatically released, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the first axle gear box (4) and the second axle gear box, the hydraulic transmission box is provided with the advantages of being available in transmission, the hydraulic transmission box generates friction braking force to do work, the kinetic energy is converted into heat energy, accordingly, the running speed of the vehicle is reduced, and the speed of the vehicle is controlled.
The hydraulic retarder is characterized in that the hydraulic retarder and the hydraulic gearbox are in series connection and matched with each other at a single end: referring to fig. 2, the engine directly links to each other with hydraulic transmission two, and hydraulic transmission two have the driving shaft and have and link to each other with hydraulic retarder three, and hydraulic retarder three have and have with first axle gear case four to link to each other through driving shaft, and first axle gear case four have and have had with second axle gear case and link to each other. When the transmission device is used for driving a vehicle to run at a high speed, the hydraulic retarder is in a disengaged state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox to drive the vehicle to run. During power braking, the hydraulic transmission has the advantages that the hydraulic transmission is automatically released, the kinetic energy of the vehicle is transmitted to the hydraulic retarder through the first axle gear box and the second axle gear box, the kinetic energy is transmitted to the hydraulic retarder through the transmission shaft, the retarder generates friction braking force inside, the kinetic energy is converted into heat energy, accordingly, the running speed of the vehicle is reduced, and the speed of the vehicle is controlled.
And thirdly, a hydraulic retarder is combined with the hydraulic torque converter in a single-head tandem connection mode: referring to fig. 3, the engine is directly connected with the hydraulic torque converter, the hydraulic torque converter is connected with the hydraulic retarder three at the same time through the transmission shaft, the hydraulic retarder three is connected with the mechanical gearbox sixthly at the same time through the transmission shaft, the mechanical gearbox sixthly is connected with the first axle gearbox four at the same time through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox at the same time through the transmission shaft. When the hydraulic transmission system runs at a high speed of a vehicle, the hydraulic retarder is in a disengaged state, and output power of the engine is transmitted to the first axle gearbox fourth and the second axle gearbox fifth through the hydraulic torque converter and the mechanical gearbox sixth to drive the vehicle to run. During power braking, the hydraulic torque converter is automatically disconnected, kinetic energy of the vehicle is transmitted to the mechanical gearbox through the first axle gear box and the second axle gear box at the same time through the transmission shaft, and then transmitted to the hydraulic retarder at the same time through the transmission shaft, and the kinetic energy is converted into heat energy by applying work to the hydraulic retarder through friction braking force generated inside the hydraulic retarder, so that the running speed of the vehicle is reduced, and the speed of the vehicle is controlled.
And fourthly, the hydraulic retarder is matched with the far end of the axle gear box in series: referring to fig. 4, the engine is direct to link to each other with hydraulic transmission, and hydraulic transmission is derived from the transmission axis and is derived from first axletree gearbox and links to each other, and first axletree gearbox is derived from the transmission axis and is derived from second axletree gearbox and links to each other, and second axletree gearbox is derived from the transmission axis and is derived from the hydraulic retarder and links to each other. When the transmission device is used for high-speed driving of a vehicle, the hydraulic retarder three is in a disconnecting state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox and drives the vehicle to run. During power braking, the hydraulic transmission has the advantages that the hydraulic transmission is automatically released, the kinetic energy of the vehicle is transmitted to the hydraulic retarder through the first axle gear box and the second axle gear box, the kinetic energy is transmitted to the hydraulic retarder through the transmission shaft, the retarder generates friction braking force inside, the kinetic energy is converted into heat energy, accordingly, the running speed of the vehicle is reduced, and the speed of the vehicle is controlled.
The fifth type, hydraulic retarber and hydraulic gearbox have the double-end series connection cooperation of two: referring to fig. 5, the engine is directly connected with the hydraulic gearbox, one end of the hydraulic gearbox is connected with a standby hydraulic retarder through a transmission shaft, the hydraulic retarder is connected with the first axle gearbox through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox through the transmission shaft; the other end of the hydraulic gearbox is connected with the hydraulic retarder through a transmission shaft, and the hydraulic retarder is connected with the third axle gear box through the transmission shaft; the third axle gearbox is connected with the fourth axle gearbox via a drive shaft. When the transmission device is used for high-speed driving of a vehicle, the hydraulic retarder is in a disengaged state, and the output power of the engine is transmitted to the third axle gearbox and the fourth axle gearbox through the hydraulic gearbox; simultaneously, the engine can also transmit output power to first axle gear box and second axle gear box through spare hydraulic retarder heat, and the drive vehicle walks capable. During power braking, the hydraulic gearbox is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, the friction braking force generated in the hydraulic retarder is used for doing work to convert the kinetic energy into heat energy, and therefore the running speed of the vehicle is reduced, and speed control of the vehicle is achieved.

Claims (1)

1. The utility model provides a hydraulic transmission system of area braking retarber which characterized in that, hydraulic retarber a has multiple cooperation mode with drive disk assembly:
the first type, hydraulic retarder and hydraulic transmission box have the advantages that the hydraulic retarder is matched with the hydraulic transmission box in parallel through a single head: the hydraulic retarder is mounted in the hydraulic gearbox in parallel, the hydraulic gearbox is connected with the first axle gearbox in a new way through the transmission shaft, and the first axle gearbox is connected with the second axle gearbox in a new way through the transmission shaft;
when the transmission device is used for driving a vehicle to run at a high speed, the hydraulic retarder is in a disengaged state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox and drives the vehicle to run;
during power braking, the hydraulic transmission case is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear case, and the kinetic energy is converted into heat energy through the work of friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized;
the hydraulic retarder is characterized in that the hydraulic retarder and the hydraulic gearbox are in series connection and matched with each other at a single end: the hydraulic transmission is connected with a hydraulic retarder III through a transmission shaft, the hydraulic retarder III is connected with a first axle gear box through a transmission shaft, and the first axle gear box is connected with a second axle gear box through the transmission shaft;
when the transmission device is used for driving a vehicle to run at a high speed, the hydraulic retarder is in a disengaged state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox and drives the vehicle to run;
during power braking, the hydraulic transmission case is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear case, and the kinetic energy is converted into heat energy through the work of friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized;
and thirdly, a hydraulic retarder is combined with the hydraulic torque converter in a single-head tandem connection mode: the engine is directly connected with the hydraulic torque converter, the hydraulic torque converter is connected with a hydraulic retarder III through a transmission shaft at the same time, the hydraulic retarder III is connected with a mechanical gearbox VI through the transmission shaft at the same time, the mechanical gearbox VI is connected with a first axle gearbox IV through the transmission shaft at the same time, and the first axle gearbox IV is connected with a second axle gearbox through the transmission shaft at the same time;
when the hydraulic transmission system is used for driving a vehicle at a high speed, the hydraulic retarder is in an off state, and output power of the engine is transmitted to the first axle gear box and the second axle gear box through the hydraulic torque converter and the mechanical gearbox for driving the vehicle to run;
during power braking, the hydraulic torque converter is automatically disconnected, the kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box and the mechanical gearbox, and the kinetic energy is converted into heat energy through the friction braking force acting, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized;
and fourthly, the hydraulic retarder is matched with the far end of the axle gear box in series: the engine is directly connected with the hydraulic gearbox, the hydraulic gearbox is connected with the first axle gearbox through the transmission shaft at the same time, the first axle gearbox is connected with the second axle gearbox through the transmission shaft at the same time, and the second axle gearbox is connected with the hydraulic retarder through the transmission shaft at the same time;
when the transmission device is used for driving a vehicle to run at a high speed, the hydraulic retarder is in a disengaged state, and output power of the engine is transmitted to the first axle gearbox and the second axle gearbox through the hydraulic gearbox and drives the vehicle to run;
during power braking, the hydraulic transmission case is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear case, and the kinetic energy is converted into heat energy through the work of friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized;
the fifth type, hydraulic retarber and hydraulic gearbox have the double-end series connection cooperation of two: the hydraulic transmission has the advantages that the engine is directly connected with the hydraulic transmission, one end of the hydraulic transmission is connected with a standby hydraulic retarder through a transmission shaft, the hydraulic retarder is connected with the first axle gearbox through the transmission shaft, the first axle gearbox is connected with the second axle gearbox through the transmission shaft, the other end of the hydraulic transmission is connected with the hydraulic retarder through the transmission shaft, the hydraulic retarder is connected with the third axle gearbox through the transmission shaft, and the third axle gearbox is connected with the fourth axle gearbox through the transmission shaft;
when the transmission device is used for high-speed driving of a vehicle, the hydraulic retarder is in a disengaged state, and the output power of the engine is transmitted to the third axle gearbox and the fourth axle gearbox through the hydraulic gearbox; meanwhile, the engine can also transmit output power to the first axle gear box and the second axle gear box through a spare hydraulic retarder so as to drive the vehicle to run;
during power braking, the hydraulic gearbox is automatically disengaged, kinetic energy of the vehicle is transmitted to the hydraulic retarder through the corresponding axle gear box, and the kinetic energy is converted into heat energy through friction braking force, so that the running speed of the vehicle is reduced, and the speed control of the vehicle is realized.
CN202010384151.7A 2020-05-09 2020-05-09 Hydraulic transmission system with brake retarder Pending CN113276669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010384151.7A CN113276669A (en) 2020-05-09 2020-05-09 Hydraulic transmission system with brake retarder

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Application Number Priority Date Filing Date Title
CN202010384151.7A CN113276669A (en) 2020-05-09 2020-05-09 Hydraulic transmission system with brake retarder

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Publication Number Publication Date
CN113276669A true CN113276669A (en) 2021-08-20

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CN202010384151.7A Pending CN113276669A (en) 2020-05-09 2020-05-09 Hydraulic transmission system with brake retarder

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164213A (en) * 1991-12-06 1993-06-29 Daikin Ind Ltd Power transmission device for vehicle
CN101890944A (en) * 2009-05-19 2010-11-24 无锡驰马汽车动能科技发展有限公司 Automotive energy-saving emission-reducing hydraulic retarder
CN102927168A (en) * 2012-11-05 2013-02-13 江苏大学 Hydraulic retarder with pressure power generation device and control method thereof
CN103213585A (en) * 2012-07-13 2013-07-24 金鹰重型工程机械有限公司 Double-dynamical transmission system of rail vehicle
CN203221866U (en) * 2013-04-28 2013-10-02 苏州蓝奥汽车科技有限公司 Hydraulic device with pneumatic pressurization oil tank of oil hybrid electric bus
CN105443615A (en) * 2015-12-18 2016-03-30 陕西航天动力高科技股份有限公司 Gearbox-front retarder with wet type clutch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164213A (en) * 1991-12-06 1993-06-29 Daikin Ind Ltd Power transmission device for vehicle
CN101890944A (en) * 2009-05-19 2010-11-24 无锡驰马汽车动能科技发展有限公司 Automotive energy-saving emission-reducing hydraulic retarder
CN103213585A (en) * 2012-07-13 2013-07-24 金鹰重型工程机械有限公司 Double-dynamical transmission system of rail vehicle
CN102927168A (en) * 2012-11-05 2013-02-13 江苏大学 Hydraulic retarder with pressure power generation device and control method thereof
CN203221866U (en) * 2013-04-28 2013-10-02 苏州蓝奥汽车科技有限公司 Hydraulic device with pneumatic pressurization oil tank of oil hybrid electric bus
CN105443615A (en) * 2015-12-18 2016-03-30 陕西航天动力高科技股份有限公司 Gearbox-front retarder with wet type clutch

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