CN112277638A - Transmission chain integrating multi-element braking function - Google Patents
Transmission chain integrating multi-element braking function Download PDFInfo
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- CN112277638A CN112277638A CN202011174099.9A CN202011174099A CN112277638A CN 112277638 A CN112277638 A CN 112277638A CN 202011174099 A CN202011174099 A CN 202011174099A CN 112277638 A CN112277638 A CN 112277638A
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- brake
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- wheel brake
- rear wheel
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Classifications
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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
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- 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
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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
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
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- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
Abstract
The invention discloses a transmission chain integrating a multi-element braking function, which comprises a diesel engine and a hydraulic control system, wherein the diesel engine is sequentially connected with a clutch, a gearbox, a transmission shaft and a transfer case, the transfer case is in two-stage transmission, the front output end of the transfer case is connected with an intermediate brake, a transmission shaft II and a front drive axle through a transmission shaft I, and a left front wheel brake and a right front wheel brake are arranged at two ends of the front drive axle and connected with a left front wheel and a right front wheel; the rear output end of the transfer case is connected with the input end of a rear drive axle through a rear transmission shaft, and a left rear wheel brake and a right rear wheel brake are arranged at the two ends of the rear drive axle and connected with a left rear wheel and a right rear wheel; the middle brake, the left front wheel brake, the right front wheel brake, the left rear wheel brake and the right rear wheel brake are respectively connected with the hydraulic control system. The invention realizes various braking functions of the vehicle and can realize the transmission stability and the transmission reliability on the basis of ensuring the braking safety of the vehicle.
Description
Technical Field
The invention relates to the technical field of transmission and braking systems of mining explosion-proof rubber-tyred vehicles, in particular to a transmission chain integrating a multi-element braking function.
Background
The distance from a traditional transmission route transfer case to a front axle is overlarge, namely the length and the angle of a front transmission shaft exceed theoretical values, the transmission shaft is too long and is easy to resonate with a vehicle at a high rotating speed, and plastic deformation and even breakage can be generated when large torque is transmitted, so that the transmission performance and the running reliability of the whole vehicle are influenced.
Disclosure of Invention
The invention aims to provide a transmission chain integrating multiple braking functions, which solves the problems in the prior art, realizes multiple braking functions of a vehicle, and can realize transmission stability and transmission reliability on the basis of ensuring the braking safety of the vehicle.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a transmission chain integrating multiple braking functions, which comprises a diesel engine and a hydraulic control system, wherein the output end of the diesel engine is connected with a clutch, the clutch is fixedly connected with a gearbox, the output end of the gearbox is in flange connection with the input end of a transfer case through a transmission shaft, the transfer case is in two-stage transmission, the transfer case is provided with a front output end and a rear output end, the front output end of the transfer case is connected to the input end of an intermediate brake through a transmission shaft I, the output end of the intermediate brake is connected to the input end of a front drive axle through a transmission shaft II, a left front wheel brake and a right front wheel brake are arranged at two ends of the front drive axle, and the left front wheel brake and the right front wheel brake are; the rear output end of the transfer case is connected with the input end of a rear drive axle through a rear transmission shaft, a left rear wheel brake and a right rear wheel brake are arranged at two ends of the rear drive axle, and the left rear wheel brake and the right rear wheel brake are respectively connected with a left rear wheel and a right rear wheel; the middle brake, the left front wheel brake, the right front wheel brake, the left rear wheel brake and the right rear wheel brake are respectively connected with the hydraulic control system.
Optionally, the hydraulic control system includes a hydraulic pump, one end of the hydraulic pump is connected to an oil tank, the other end of the hydraulic pump is connected to a port P of a charging valve, a port a1 of the charging valve is connected to a first energy accumulator, the first energy accumulator is connected to a port P1 of a service brake valve, a port a2 of the charging valve is connected to a second energy accumulator, the second energy accumulator is connected to a port P2 of the service brake valve, a port a1 of the service brake is connected to the left front wheel brake and the right front wheel brake, and a port a2 of the service brake is connected to the left rear wheel brake and the right rear wheel brake, respectively; the port SW of the liquid charging valve is connected with a third energy accumulator through a one-way valve, the third energy accumulator is connected with a port P of a parking brake valve, a port A of the parking brake is respectively connected with a port P of an emergency brake valve and the intermediate brake, a port A of the emergency brake valve is respectively connected with the left rear wheel brake and the right rear wheel brake, a control port K of the emergency brake valve is connected with a port O of an emergency brake button valve, and a port S of the emergency brake button valve is connected with an air source; the left rear wheel brake and the right rear wheel brake are respectively connected with an S port of an emergency brake valve, and a K port of the emergency brake valve is connected with the oil tank; the T port of the liquid charging valve, the T port of the parking brake valve, the T port of the emergency brake valve, the T1 port of the service brake valve and the T2 port of the service brake valve are respectively connected with the oil tank; and an O port of the liquid charging valve is connected with the oil tank.
Optionally, a safety valve is arranged between the hydraulic pump and the liquid filling valve, and the safety valve is connected with the oil tank through a filter.
Optionally, the first energy accumulator is connected with a first pressure gauge, the second energy accumulator is connected with a second pressure gauge, and an R port of the parking brake valve is connected with a third pressure gauge.
Optionally, the intermediate brake is a safety failure type wet brake, and adopts spring braking and hydraulic release.
Compared with the prior art, the invention has the following technical effects:
the invention realizes various braking functions of the vehicle and can realize the transmission stability and the transmission reliability on the basis of ensuring the braking safety of the vehicle. A long transmission shaft between the transfer case and the front drive axle is effectively divided into two transmission shafts with proper length and proper angle, so that the resonance frequency of the vehicle is reduced, and the noise of the vehicle is reduced. After the intermediate brake is added, the parking brake is realized simultaneously with the parking cavity of the rear wheel brake, the parking brake torque of the rear wheel can be correspondingly reduced, the service life of the rear wheel can be prolonged, and the reliability of the parking brake can be improved; the multi-element braking function is realized through different control modes and organic combination of elements in a transmission chain. The realization of the multi-element braking function is mutually independent and not interfered with each other, and the reliable operation of the transmission chain is ensured. The vehicle is provided with a plurality of sets of independent brake units, so that the vehicle can be reliably decelerated and stopped under normal and abnormal conditions. The safety of the vehicle and passengers is ensured, and the safety accidents of the explosion-proof vehicle are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a transmission chain of the present invention incorporating a multi-element braking function;
FIG. 2 is a schematic diagram of the hydraulic control system of the present invention;
FIG. 3 is a schematic diagram of the relationship between a transmission chain and a hydraulic control system of the present invention, which integrates a multi-element braking function;
FIG. 4 is a schematic view of a service braking and transmission chain control implementation of the present invention;
FIG. 5 is a schematic diagram of an implementation of parking braking and drive chain control in accordance with the present invention;
FIG. 6 is a schematic diagram of an implementation of emergency braking and drive chain control in accordance with the present invention;
FIG. 7 is a schematic diagram of an implementation of emergency braking and drive chain control in accordance with the present invention;
description of reference numerals: 1. the hydraulic control system comprises a hydraulic pump 2, a safety valve 3, a filter 4, a liquid charging valve 5, a first energy accumulator 6, a second energy accumulator 7, a first pressure gauge 8, a second pressure gauge 9, a one-way valve 10, a third energy accumulator 11, a parking brake valve 12, a third pressure gauge 13, an intermediate brake 14, an emergency brake valve 15, an emergency brake valve 16, a service brake valve 17, a left front wheel brake 18, a right front wheel brake 19, a left rear wheel brake 20, a right rear wheel brake 21, an emergency brake button valve 22, an air source 23, a diesel engine 24, a clutch 25, a gearbox 26, a transmission shaft 27, a transfer case 28, a rear transmission shaft 29, a rear drive axle 30, a transmission shaft I31, a transmission shaft II 32 and a front drive axle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a transmission chain integrating multiple braking functions, which solves the problems in the prior art, realizes multiple braking functions, and can realize transmission stability and transmission reliability on the basis of ensuring the braking safety of a vehicle.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a transmission chain integrating multiple braking functions, as shown in figures 1-7, the power is a diesel engine 23, a clutch 24 is installed at the output end of the diesel engine 23, a gearbox 25 is fixed with a clutch shell through a support, the output end of the gearbox 25 is connected with an input end flange of a transfer case 27 through a transmission shaft 26, the transfer case 27 is in two-stage transmission and is provided with a front output end and a rear output end, the front output end of the transfer case 27 is connected to the input end of an intermediate brake 13 through a transmission shaft I30, the output end of the intermediate brake 13 is connected to the input end of a front drive axle 32 through a transmission shaft II 31, a left front wheel brake 17 and a right front wheel brake 18 are installed at two ends of the front drive axle 32, and the left front; the rear output end of the transfer case 27 is connected with the input end of a rear drive axle 29 through a rear transmission shaft 28, and the two ends of the rear drive axle 29 are provided with a left rear wheel brake 19 and a right rear wheel brake 20 which are connected with left and right rear tires.
The intermediate brake 13 in the transmission chain shares the function of parking braking force on one hand, reduces the parking braking force of the rear wheel brake and prolongs the service life of the rear wheel brake. Meanwhile, a long transmission shaft between the transfer case 27 and the front drive axle 32 is effectively divided into two transmission shafts with proper length and proper angle, so that the resonance frequency of the vehicle is reduced, and the noise of the vehicle is reduced.
The intermediate brake 13 in the drive chain is a safety failure type wet brake, and the spring brake hydraulic pressure is released. The main function is to brake the vehicle when the vehicle stops. The rear wheel brake in the transmission chain is a wet brake integrating service, parking, emergency and emergency braking, and mainly participates in service braking, parking braking, emergency braking and emergency braking. Spring braking and hydraulic pressure releasing. The parking brake and the emergency brake port are universal, and the emergency brake port is independent, so that the emergency brake system is independent of the parking and emergency brake system. The front wheel brake in the transmission chain is a service brake, and is hydraulically braked and released by a spring. The service brake actuating elements in the drive chain are a front wheel brake and a service brake integrated in a rear wheel brake. The parking brake actuators in the drive train are an intermediate brake between the front drive shafts and a parking brake integrated in the rear wheel brake. The emergency brake and the emergency brake actuator are parking brakes integrated into the rear wheel brake.
The realization of the multielement braking function of the transmission chain is coordinated and controlled by a hydraulic control system. As shown in fig. 2, the power unit includes a hydraulic pump 1, a safety valve 2, a filter 3, a charge valve 4, a first accumulator 5, a second accumulator 6, a check valve 9, a third accumulator 10, a filter 3, a first pressure gauge 7, a second pressure gauge 8, a third pressure gauge 12, and the like. The hydraulic pump 1 feeds pressure oil from the oil tank into the port P of the charge valve 4, and charges the first accumulator 5, the second accumulator 6, and the third accumulator 10 with the pressure oil through the port a1, the port a2, the port SW, and the check valve of the charge valve 4 according to a preset charge pressure. The service brake includes a service brake valve 16, a left front wheel brake 17, a right front wheel brake 18, a left rear wheel brake 19, and a right rear wheel brake 20. The parking brake includes a parking brake valve 11, an intermediate brake 13, an emergency brake valve 14, a left rear wheel brake 19, and a right rear wheel brake 20. The emergency brake includes an emergency brake button valve 21, an emergency brake valve 14, a left rear wheel brake 19, and a right rear wheel brake 20. The emergency brake includes an emergency brake valve 15, a left rear wheel brake 19, and a right rear wheel brake 20. The T port of the liquid charging valve 4, the T port of the parking brake valve 11, the T port of the emergency brake valve 14, the T1 port of the service brake valve 16 and the T2 port of the service brake valve 16 are respectively connected with an oil tank; and an O port of the liquid charging valve 4 is connected with an oil tank.
When service braking is needed, the service brake valve 16 is pressed, the P1 port of the service brake valve 16 is communicated with the A1 port, the P2 port is communicated with the A2 port, pressure oil stored in the first accumulator 5 and the second accumulator 6 respectively enters the left front wheel brake 17 and the right front wheel brake 18 through the P1 port and the A1 port of the service brake valve 16, and simultaneously enters service brake chambers of the left rear wheel brake 19 and the right rear wheel brake 20 through the P2 port and the A2 port. The friction plate of the brake is compressed to brake the vehicle, the output pressure of the service brake valve is increased in proportion with the treading stroke of the pedal valve, and the corresponding service brake force is increased in proportion, so that the service brake function is realized.
The parking brake function is realized by operating the parking brake valve 11 to a brake release state when a vehicle runs, wherein a port P of the parking brake valve is communicated with a port A, the emergency brake button valve 21 is pulled up to an upper position, compressed air from an air source 22 enters a pilot port K of the emergency brake valve from a port S to a port O of the emergency brake button valve, the emergency brake valve 14 is controlled by pilot air to a lower position, the port P of the emergency brake valve is communicated with the port A, and pressure oil stored in the third energy accumulator 10 enters parking brake chambers of the left rear wheel brake 19 and the right rear wheel brake 20 through the port P and the port A of the parking brake valve and the port P and the port A of the emergency brake valve at the moment, and a friction plate is released by a compression spring to release the brake; meanwhile, pressure oil flows to the intermediate brake 13 through the port A of the parking brake valve, and the spring is compressed to release the brake. When the vehicle is in a static state and needs parking braking, the parking braking valve is operated to a braking state, the parking braking valve is in the position shown in the figure, an A port of the parking braking valve is communicated with a T port and directly returns to a tank, hydraulic oil in chambers of the left rear wheel brake 19 and the right rear wheel brake 20 is unloaded through the A port and the P port of the emergency braking valve 14 and the A port and the T port of the parking braking valve 11 under the action of springs, and friction plates of the brakes are pressed tightly under the action of the springs to implement braking. Meanwhile, pressure oil in the intermediate brake is unloaded through an A port and a T port oil return tank of the parking brake valve 11, and a friction plate in the intermediate brake is braked under the action of a spring.
The emergency braking function is realized as follows: when the vehicle is in an emergency state, such as service brake failure and deceleration operation of the vehicle, the emergency brake button valve 21 is knocked down, compressed air at the control port K of the emergency brake valve 14 is released from the port O of the emergency brake button valve 21 to the port K, the emergency brake valve returns to the position shown in the figure, the port A of the emergency brake valve is communicated with the port T, hydraulic oil in brake chambers of the left and right rear wheels is unloaded through an oil return tank of the port A and the port T of the emergency brake valve 14 under the action of a spring, and friction plates of the brake are pressed tightly under the action of the spring to implement braking.
The emergency braking function is accomplished by an emergency brake valve 15 installed between the main frame and the sub-frame. When the emergency brake valve is used in an abnormal state that the service brake is out of order and the emergency brake is out of order, the emergency brake valve can be used in an emergency brake, and can be used in an emergency through a secondary driver and passenger, the emergency brake valve is operated to an emergency brake position, namely an S port and a K port of the emergency brake valve 15 are communicated, and pressure oil in a parking brake chamber of the left and right rear wheel brakes D is unloaded through an S port and a K port oil return tank of the emergency brake valve 15 under the action of a spring. The brake friction plate performs braking under the action of the spring.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A transmission chain integrating a multi-element braking function is characterized in that: the transfer case is provided with a front output end and a rear output end, the front output end of the transfer case is connected to the input end of an intermediate brake through a transmission shaft I, the output end of the intermediate brake is connected to the input end of a front drive axle through a transmission shaft II, a left front wheel brake and a right front wheel brake are arranged at two ends of the front drive axle, and the left front wheel brake and the right front wheel brake are respectively connected with a left front wheel and a right front wheel; the rear output end of the transfer case is connected with the input end of a rear drive axle through a rear transmission shaft, a left rear wheel brake and a right rear wheel brake are arranged at two ends of the rear drive axle, and the left rear wheel brake and the right rear wheel brake are respectively connected with a left rear wheel and a right rear wheel; the middle brake, the left front wheel brake, the right front wheel brake, the left rear wheel brake and the right rear wheel brake are respectively connected with the hydraulic control system.
2. The drive chain integrating a plurality of braking functions according to claim 1, wherein: the hydraulic control system comprises a hydraulic pump, one end of the hydraulic pump is connected with an oil tank, the other end of the hydraulic pump is connected with a port P of a liquid charging valve, a port A1 of the liquid charging valve is connected with a first energy accumulator, the first energy accumulator is connected with a port P1 of a service brake valve, a port A2 of the liquid charging valve is connected with a second energy accumulator, the second energy accumulator is connected with a port P2 of the service brake valve, a port A1 of the service brake is respectively connected with a left front wheel brake and a right front wheel brake, and a port A2 of the service brake is respectively connected with a left rear wheel brake and a right rear wheel brake; the port SW of the liquid charging valve is connected with a third energy accumulator through a one-way valve, the third energy accumulator is connected with a port P of a parking brake valve, a port A of the parking brake is respectively connected with a port P of an emergency brake valve and the intermediate brake, a port A of the emergency brake valve is respectively connected with the left rear wheel brake and the right rear wheel brake, a control port K of the emergency brake valve is connected with a port O of an emergency brake button valve, and a port S of the emergency brake button valve is connected with an air source; the left rear wheel brake and the right rear wheel brake are respectively connected with an S port of an emergency brake valve, and a K port of the emergency brake valve is connected with the oil tank; the T port of the liquid charging valve, the T port of the parking brake valve, the T port of the emergency brake valve, the T1 port of the service brake valve and the T2 port of the service brake valve are respectively connected with the oil tank; and an O port of the liquid charging valve is connected with the oil tank.
3. The drive chain integrating multiple braking functions of claim 2, wherein: and a safety valve is arranged between the hydraulic pump and the liquid filling valve and is connected with the oil tank through a filter.
4. The drive chain integrating multiple braking functions of claim 2, wherein: the first energy accumulator is connected with a first pressure gauge, the second energy accumulator is connected with a second pressure gauge, and an R port of the parking brake valve is connected with a third pressure gauge.
5. The drive chain integrating a plurality of braking functions according to claim 1, wherein: the intermediate brake is a safety failure type wet brake, adopts spring braking and hydraulic release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174099.9A CN112277638A (en) | 2020-10-28 | 2020-10-28 | Transmission chain integrating multi-element braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174099.9A CN112277638A (en) | 2020-10-28 | 2020-10-28 | Transmission chain integrating multi-element braking function |
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| Publication Number | Publication Date |
|---|---|
| CN112277638A true CN112277638A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011174099.9A Pending CN112277638A (en) | 2020-10-28 | 2020-10-28 | Transmission chain integrating multi-element braking function |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200988512Y (en) * | 2006-12-27 | 2007-12-12 | 江阴市卡利格机械有限公司 | Two-way driving anti-explosion diesel engine transport vehicle for coal mine |
| CN202138370U (en) * | 2011-08-03 | 2012-02-08 | 石家庄中煤装备制造股份有限公司 | Parking braking protection system |
| CN102514562A (en) * | 2011-12-03 | 2012-06-27 | 中国煤炭科工集团太原研究院 | Double-tube fully-hydraulic braking device with closed wet-type multi-disc brakes for coal mine explosion-proof vehicle |
| WO2014096159A1 (en) * | 2012-12-21 | 2014-06-26 | Cnh America Llc | A control apparatus for controlling a brake of a unit hauled by a vehicle |
| CN204736843U (en) * | 2015-06-24 | 2015-11-04 | 常州科研试制中心有限公司 | Colliery support carrier emergency stop apparatus |
| CN205033888U (en) * | 2015-09-23 | 2016-02-17 | 中国煤炭科工集团太原研究院有限公司 | Empty convertible car in explosion -proof diesel engine land of colliery underworkings |
| DE102016200691A1 (en) * | 2016-01-20 | 2017-07-20 | Volkswagen Aktiengesellschaft | Motor vehicle with a braking device and emergency brake function |
-
2020
- 2020-10-28 CN CN202011174099.9A patent/CN112277638A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200988512Y (en) * | 2006-12-27 | 2007-12-12 | 江阴市卡利格机械有限公司 | Two-way driving anti-explosion diesel engine transport vehicle for coal mine |
| CN202138370U (en) * | 2011-08-03 | 2012-02-08 | 石家庄中煤装备制造股份有限公司 | Parking braking protection system |
| CN102514562A (en) * | 2011-12-03 | 2012-06-27 | 中国煤炭科工集团太原研究院 | Double-tube fully-hydraulic braking device with closed wet-type multi-disc brakes for coal mine explosion-proof vehicle |
| WO2014096159A1 (en) * | 2012-12-21 | 2014-06-26 | Cnh America Llc | A control apparatus for controlling a brake of a unit hauled by a vehicle |
| CN204736843U (en) * | 2015-06-24 | 2015-11-04 | 常州科研试制中心有限公司 | Colliery support carrier emergency stop apparatus |
| CN205033888U (en) * | 2015-09-23 | 2016-02-17 | 中国煤炭科工集团太原研究院有限公司 | Empty convertible car in explosion -proof diesel engine land of colliery underworkings |
| DE102016200691A1 (en) * | 2016-01-20 | 2017-07-20 | Volkswagen Aktiengesellschaft | Motor vehicle with a braking device and emergency brake function |
Non-Patent Citations (1)
| Title |
|---|
| 刘竞一: "《汽车底盘故障维修》", 30 June 2018, 重庆大学出版社 * |
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