CN212447478U - Wet-type multi-disc type traveling, parking and buffering integrated braking system - Google Patents
Wet-type multi-disc type traveling, parking and buffering integrated braking system Download PDFInfo
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- CN212447478U CN212447478U CN202022115663.1U CN202022115663U CN212447478U CN 212447478 U CN212447478 U CN 212447478U CN 202022115663 U CN202022115663 U CN 202022115663U CN 212447478 U CN212447478 U CN 212447478U
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- 239000000110 cooling liquid Substances 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 31
- 239000002131 composite material Substances 0.000 claims description 30
- 230000003068 static effect Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000979 retarding effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The application discloses a wet-type multi-disc-type traveling and parking integrated braking system which comprises a traveling braking controller, a parking braking controller, a retarding control switch and an electronic control unit, wherein the traveling braking controller is in control connection with the electronic control unit; the system adopts the brake with functions of service braking, parking braking and retarding, and the oil pump and the radiator can guide heat generated by the brake out of the brake for cooling, so that the braking in the service, parking and retarding states is met, the temperature of the brake can be monitored, the abrasion of high temperature to the brake system is reduced, the maintenance period of the brake system can be effectively prolonged, the maintenance cost is reduced, and the service life of the brake is prolonged; the slow braking adjusts the braking torque through the set speed, so that the vehicle can run at a constant speed, and the running safety of the vehicle is improved.
Description
Technical Field
The application relates to the technical field of brakes, in particular to a wet-type multi-disc-type traveling, parking and buffering integrated brake system.
Background
The national requirements for the running safety and reliability of medium and heavy transport vehicles are higher and higher, related laws and regulations are gradually perfected, the requirements for the safety and reliability of an overall brake system are also increased gradually, and the traditional brake device of the medium and heavy transport vehicles is in a drum type and dry type friction plate form and only achieves the functions of vehicle braking and parking braking.
The national standard GB7258 implemented from 1/2018 specifies that a dangerous goods transportation semi-trailer must be provided with a disc brake from 1/2019, and a three-shaft bin fence type and fence type semi-trailer must be provided with a disc brake from 1/2020;
china already promotes other auxiliary braking devices such as a retarder and the like, and establishes corresponding standards. The technical condition GB7258 for vehicle operation safety stipulates that: passenger cars with the car length of more than 9m, trucks with the total mass of more than or equal to 12000kg, special operation vehicles and all dangerous goods transport vehicles are provided with a retarder or other auxiliary braking devices.
When a vehicle runs on a special road surface such as a gentle slope and the speed slowing function needs to be realized, a speed reducer needs to be installed, or a mode of spraying water to a brake drum for cooling is adopted, the traditional water sprayer cools a disc brake, so that the problem of brake disc cracking is easily caused, the vehicle is damaged, the equipment cost and the use safety risk are increased, and meanwhile, the road environment is polluted; when the driving environment is complex, the vehicle needs continuous or repeated braking, the brake generates a large amount of heat, when the braking system is serious, the tire burst or the vehicle accident of burning due to fire can be caused by overheating, the traffic safety problem exists, meanwhile, the brake is high in maintenance frequency, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
The application provides a slow integration braking system is parked to wet-type multi-disc dish row aims at solving the above-mentioned problem that prior art exists or at least partially solves above-mentioned problem, through the stopper that uses under driving, parking, the slow-speed state, reduces the wearing and tearing of stopper, avoids brake disc fracture problem, reduces vehicle use cost, reduces and produces the overheated vehicle accident that leads to of braking system because of frequent braking, has traffic safety's problem.
The utility model discloses a wet-type multi-disc formula line slow integration braking system that parks, including driving brake controller, parking brake controller, slow speed control switch and electronic control unit, driving brake controller and electronic control unit control connection, parking brake controller and electronic control unit control connection, slow speed control switch and electronic control unit control connection, electronic control unit respectively with first pressure sensor, second pressure sensor, first temperature sensor, second temperature sensor, third temperature sensor and pressure control valve control connection; the pressure control valve and the brake are connected through an air pipe, and the air pipe is connected with the first pressure sensor; a cooling liquid inlet and a cooling liquid outlet of the brake are respectively connected with the oil tank assembly through pipelines; the oil tank assembly is connected with the heat exchanger through a pipeline, and the pipeline between the oil tank assembly and the heat exchanger is connected with the second pressure sensor and the first temperature sensor; the heat exchanger is connected with the oil pump through a pipeline; the oil pump and the oil tank assembly are connected through a pipeline, and the pipeline between the oil pump and the oil tank assembly is connected with the second temperature sensor; an oil outlet of the heat exchanger is connected with one end of the radiator through a pipeline, the pipeline is connected with the third temperature sensor, and the other end of the radiator is connected with an oil inlet of the heat exchanger through a pipeline.
In above scheme can be preferred, pressure control valve and gas receiver pass through the trachea and connect, and the gas receiver passes through the trachea with the inflation pump and connects, and inflation pump and engine pass through the trachea and connect.
It may also be preferred that the tank assembly comprises a tank and a dispensing valve.
Preferably, the brake comprises a composite air chamber, the composite air chamber comprises a parking brake air chamber and a service brake air chamber, and the brake is characterized in that the parking brake air chamber comprises a parking brake spring, the composite air chamber is provided with a composite air chamber support frame, the other end of the composite air chamber support frame is connected with the left side of the brake shell, the left side of the brake shell is provided with a left end cover, a shell sealing ring is arranged between the left end cover and the brake shell, the center of the left end cover is provided with a cooling liquid inlet, the lower part of the left end cover is provided with a cooling liquid outlet, the composite air chamber is connected with a force transmission fork shaft, a shifting fork of the force transmission fork shaft is clamped outside an upright post at the end face of a rotating disc, the rotating disc is arranged at the left side inside the brake shell, the right end face, the left end face of the brake piston is provided with a step face, a return spring is installed between the step face and the left side of a boss inside the brake shell, a piston sealing ring is installed between the brake piston and the right side of the boss inside the brake shell, a friction disc group is composed of a dynamic friction disc and a static friction disc, the static friction disc is arranged at the position of the left side adjacent to the dynamic friction disc, the static friction disc is installed inside the brake shell, the brake piston is connected with the dynamic friction disc, an outer end cover is installed on the right side of the brake shell, and an end cover sealing ring is installed between the outer end cover and.
It may also be preferred that the rotating disc is of annular configuration.
Preferably, an opening slot is formed at one end of the shifting fork of the force transmission shifting fork shaft.
Preferably, the opening size of the open slot is smaller than the diameter of the upright post on the end face of the rotating disk, the inside of the open slot is an arc slot, and the size of the arc slot is larger than the diameter of the upright post.
It is also preferable that the end face of the rotating disk is provided with a groove.
Preferably, the upright post is arranged on a step surface of a groove in the end surface of the rotating disc, and the shifting fork is limited by steps on two sides of the groove.
It may also be preferred that the outer plane of the fork is no higher than the end face of the rotary disk.
It may also be preferred that the end faces of the pillars are not higher than the end faces of the rotating disc.
It may also be preferred that the ramp of the ramp actuator assembly is planar.
It may also be preferred that the ramp of the ramp actuator assembly is curved.
It may also be preferred that the number of ramp driving assemblies is at least two.
It may also be preferred that the friction disc is provided with a helical pattern to increase friction.
It may also be preferred that the friction plate is provided with a helical pattern to increase friction.
It may also be preferred that the friction disc pack is at least two.
The application method of the wet-type multi-disc-type traveling, stopping and buffering integrated brake system comprises the following steps,
the brake system comprises a service brake, a service brake controller and an electronic control unit, wherein the service brake controller is provided with a pedal, the pedal is stepped down, the electronic control unit adjusts a pressure control valve according to the stepping depth, the pressure control valve controls the pressure of high-pressure gas input into a brake, a first pressure sensor measures the pressure of the high-pressure gas and feeds the pressure back to the electronic control unit, the service brake controller controls brake torque, and the brake performs service brake;
the parking brake is pressed, the electronic control unit receives a signal of the parking brake controller to control the pressure control valve, the pressure control valve controls the high-pressure gas to be discharged out of the brake, and the brake is used for parking brake;
the electronic control unit receives a signal of the slow speed control switch, controls the pressure control valve according to a set speed, and controls the pressure of high-pressure gas input into the brake; further adjusting the braking torque to realize slow downhill braking;
when the automobile is braked, parked and slowed down, the electronic control unit reads the numerical values of the second pressure sensor, the first temperature sensor, the second temperature sensor and the third temperature sensor, the oil pump starts to work, the oil pump pumps cooling liquid into the oil tank assembly, the oil tank assembly pumps the cooling liquid into the brake through the cooling liquid inlet, the cooling liquid flows into the oil tank assembly from the cooling liquid outlet, the cooling liquid flows into the heat exchanger from the oil tank assembly, the cooling liquid flows into the radiator through the oil outlet of the heat exchanger, the cooling liquid flows into the heat exchanger from the radiator again through the oil inlet, the cooling liquid enters the oil pump through the heat exchanger, the oil pump pumps the cooling liquid into the oil tank assembly after being cooled, and the oil tank assembly pumps the cooling liquid into the brake through the cooling liquid inlet to realize circulating heat.
In the above scheme, preferably, during service braking, high-pressure braking gas enters the parking braking gas chamber of the composite gas chamber to compress the parking braking spring to release parking braking, the high-pressure braking gas simultaneously enters the service braking gas chamber of the composite gas chamber, the service braking gas chamber pushes the force transmission shifting fork shaft to transmit, the shifting fork of the force transmission shifting fork shaft drives the rotating disc and the inclined plane transmission assembly to rotate together, the inclined plane transmission assembly pushes the braking piston to move leftwards, the braking piston drives the dynamic friction disc and the static friction disc to be attached, and the dynamic friction disc and the static friction disc generate friction to generate service braking; the dynamic friction disk and the static friction disk are engaged to generate friction force to control the braking torque;
when parking braking is carried out, high-pressure braking gas is exhausted from the parking braking gas chamber of the composite gas chamber, the parking braking spring of the parking braking gas chamber generates thrust to push the force transmission shifting fork shaft to transmit, the shifting fork of the force transmission shifting fork shaft drives the rotating disc and the inclined plane transmission assembly to rotate together, the inclined plane transmission assembly pushes the braking piston to move leftwards, the braking piston drives the dynamic friction disc and the static friction disc to be attached, and the dynamic friction disc and the static friction disc generate friction to generate parking braking;
when the vehicle brakes slowly, the pressure control valve controls the pressure of high-pressure braking gas, and the pressure controls the friction force generated by the engagement of the dynamic friction disc and the static friction disc to control the running speed;
preferably, when the vehicle runs normally, the high-pressure braking gas is discharged from the parking braking gas chamber of the composite gas chamber to release parking braking, the return spring pushes the braking piston to return, the braking piston drives the dynamic friction disc to separate from the static friction disc to release braking, and meanwhile, the high-pressure braking gas is discharged from the service braking chamber of the composite gas chamber to release service braking.
The wet-type multi-disc type traveling, parking and buffering integrated brake system and the use method thereof can achieve the following beneficial effects:
according to the wet-type multi-disc type traveling, parking and retarding integrated braking system and the using method thereof, the brake with the functions of traveling braking, parking braking and retarding is adopted, the oil pump and the radiator can guide heat generated by the brake out of the brake for cooling, so that the problem that the brake disc is prone to cracking, damage to a vehicle and increase of equipment cost and use safety risk due to the fact that the brake generates a large amount of heat in the prior art is solved, the traditional water drencher cools the disc brake, the vehicle accident that tires burst or fire burns due to overheating can be caused in the braking system in serious cases, the traffic safety problem exists, meanwhile, the brake maintenance frequency is high, and the using cost is increased; the wet-type multi-disc type traveling, parking and retarding integrated brake system and the use method thereof meet the requirements of braking in traveling, parking and retarding states, the brake cooling liquid is fully supplemented, the temperature of the brake can be monitored, the abrasion of high temperature to the brake system is reduced, the maintenance period of the brake system can be effectively prolonged, the maintenance cost is reduced, and the service life of the brake is prolonged; the slow braking adjusts the braking torque through the set speed, so that the vehicle can run at a constant speed, and the running safety of the vehicle is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic connection diagram of components of a wet-type multi-disc-type parking and buffering integrated brake system according to the present application.
Fig. 2 is a cross-sectional view of a brake of the wet multi-disc type parking and buffering integrated brake system according to the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of a brake rotating disc of the wet-type multi-disc-type traveling and parking-buffering integrated brake system according to the present application.
In the figure, 101 is a driving brake controller, 102 is a parking brake controller, 2 is a slow speed control switch, 3 is an electronic control unit, 401 is a first pressure sensor, 402 is a second pressure sensor, 501 is a first temperature sensor, 502 is a second temperature sensor, 503 is a third temperature sensor, 6 is a pressure control valve, 7 is a brake, 701 is a cooling liquid inlet, 702 is a cooling liquid outlet, 703 is a composite air chamber, 704 is a composite air chamber support frame, 705 is a force transmission fork shaft, 706 is a rotating disc, 707 is a bevel transmission assembly, 708 is a brake piston, 709 is a piston seal ring, 710 is a dynamic friction disc, 711 is a static friction disc, 712 is a return spring, 713 is an outer end cover, 714 is an end cover seal ring, 715 is a shell seal ring, 716 is a fixed ring, 8 is an oil tank assembly, 9 is a heat exchanger, 10 is an oil pump, 11 is a radiator, 12 is an air storage cylinder, 13 is an air pump, 14 is an engine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example 1
A wet-type multi-disc type traveling, stopping and buffering integrated brake system is shown in figure 1 and comprises a traveling brake controller 101, a parking brake controller 102, a buffering control switch 2 and an electronic control unit 3, wherein the traveling brake controller 101 is in control connection with the electronic control unit 3, the parking brake controller 102 is in control connection with the electronic control unit 3, the buffering control switch 2 is in control connection with the electronic control unit 3, and the electronic control unit 3 is in control connection with a first pressure sensor 401, a second pressure sensor 402, a first temperature sensor 501, a second temperature sensor 502, a third temperature sensor 503 and a pressure control valve 6 respectively; the pressure control valve 6 and the brake 7 are connected through an air pipe, and the air pipe is connected with the first pressure sensor 401; a cooling liquid inlet 701 and a cooling liquid outlet 702 of the brake 7 are respectively connected with the oil tank assembly 8 through pipelines; the oil tank assembly 8 and the heat exchanger 9 are connected through a pipeline, and the pipeline is connected with the second pressure sensor 402 and the first temperature sensor 501; the heat exchanger 9 is connected with the oil pump 10 through a pipeline; the oil pump 10 and the oil tank assembly 8 are connected through a pipeline, and the pipeline is connected with the second temperature sensor 502; an oil outlet of the heat exchanger 9 is connected with one end of the radiator 11 through a pipeline, the pipeline is connected with the third temperature sensor 503, and the other end of the radiator 11 is connected with an oil inlet of the heat exchanger 9 through a pipeline.
The driving brake controller 101 is connected with the electronic control unit 3 through signal line control, the parking brake controller 102 is connected with the electronic control unit 3 through signal line control, the slow speed control switch 2 is connected with the electronic control unit 3 through signal line control, and the electronic control unit 3 is respectively connected with the first pressure sensor 401, the second pressure sensor 402, the first temperature sensor 501, the second temperature sensor 502, the third temperature sensor 503 and the pressure control valve through signal line control 6; the pressure control valve 6 is connected with the brake 7 through an air pipe, the air pipe is a metal pipe or a rubber pipe, and the air pipe is connected with the first pressure sensor 401; a cooling liquid inlet 701 and a cooling liquid outlet 702 of the brake 7 are respectively connected with the oil tank assembly 8 through pipelines, and the pipelines are metal pipes; the oil tank assembly 8 and the heat exchanger 9 are connected through a pipeline, and the pipeline is a metal pipe; the heat exchanger 9 is connected with the oil pump 10 through a pipeline, and the pipeline is a metal pipe; the oil pump 10 is connected with the oil tank assembly 8 through a pipeline, and the pipeline is a metal pipe; an oil outlet of the heat exchanger 9 is connected with one end of the radiator 11 through a pipeline, the pipeline is a metal pipe, the other end of the radiator 11 is connected with an oil inlet of the heat exchanger 9 through a pipeline, and the pipeline is a metal pipe.
Example 2
A wet type multi-disc type traveling, stopping and buffering integrated brake system is similar to that of embodiment 1, and is characterized in that a pressure control valve 6 is connected with an air storage cylinder 12 through an air pipe, the air storage cylinder 12 is connected with an inflating pump 13 through an air pipe, the inflating pump 13 is connected with an engine 14 through an air pipe, the air pipe is a metal pipe or a rubber pipe, after the engine 14 is started, the inflating pump 13 starts to work, the inflating pump 13 pumps air into the air storage cylinder 12, and the air storage cylinder 12 supplies high-pressure air for a brake 7.
It is still further possible that the tank assembly 8 comprises a tank for storing the cooling liquid and a distribution valve for controlling the distribution of the cooling liquid to and from the tank assembly 8.
Still further, referring to fig. 2 and 3, the brake 7 includes a composite air chamber 703, the composite air chamber 703 includes a parking brake air chamber and a service brake air chamber, and is characterized in that the parking brake air chamber includes a parking brake spring, the composite air chamber 703 is provided with a composite air chamber support frame 704, the other end of the composite air chamber support frame 704 is connected with the left side of the brake housing through a bolt, the left side of the brake housing is provided with a left end cover, a housing seal ring 715 is installed between the left end cover and the brake housing, the center of the left end cover is provided with a cooling liquid inlet 701, the lower part of the left end cover is provided with a cooling liquid outlet 702, the composite air chamber 703 is connected with a force transmission fork shaft 705, a fork of the force transmission fork shaft 705 is clamped outside an upright post at the end face of the rotating disc 706, the rotating disc 706 is installed at the left side inside the, the end face of the inclined surface transmission assembly 707 is in contact with the brake piston 708, a step face is arranged on the left end face of the brake piston 708, a return spring 712 is arranged between the step face and the left side of the boss inside the brake housing, a piston sealing ring 709 is arranged between the brake piston 708 and the right side of the boss inside the brake housing, a friction disc group is formed by the dynamic friction disc 710 and the static friction disc 711, the static friction disc 711 is arranged at the position on the left side adjacent to the dynamic friction disc 710, the static friction disc 711 is arranged inside the brake housing, the brake piston 708 is connected with the dynamic friction disc 710, the outer end cover 713 is arranged on the right side of the brake housing, and an end cover sealing ring 714 is arranged.
It is still further contemplated that the rotating disc 706 is a circular ring structure.
Still further, an open slot is provided at one end of the shifting fork of the force transmission shifting fork shaft 705.
Still further, the opening size of the open slot is smaller than the diameter of the upright post on the end surface of the rotating disk 706, the inside of the open slot is an arc slot, and the size of the arc slot is larger than the diameter of the upright post.
Still further, the end face of the rotating disc 706 is provided with a groove.
Still further, the upright post is mounted on a step surface of a groove in the end surface of the rotating disc 706, and the shifting fork is limited by steps on two sides of the groove.
It may be further that the outer plane of the fork is no higher than the end face of the rotating disc 706.
It may be further that the end faces of the posts are no higher than the end faces of the rotating disc 706.
It may be further appreciated that the ramp of the ramp actuator assembly 707 is planar.
Still further, the ramp of the ramp actuator assembly 707 may be curved.
It is further contemplated that the ramp drive assemblies 707 may be at least two in number to more evenly transmit thrust to the brake piston 708.
It is further possible to provide the dynamic friction disk 710 with a spiral pattern to increase the friction force.
It is further contemplated that the dynamic friction disk 710 may be an internally toothed annular structure.
Still further, the friction disk 711 is provided with a spiral pattern to increase friction.
Still further, the static friction disk 711 has an annular configuration with external teeth.
It is further possible that the dynamic friction disk 710 and the static friction disk 711 are made of wear-resistant material, which is paper-based friction material.
Still further, wet-type multi-disc formula is walked and is stopped slowly integration braking system, the friction disc group is two at least, and braking effect is better.
Still further, a retaining ring 716 is mounted inside the brake housing on the right side, the retaining ring 716 locating the friction disc pack.
The use method of the wet type multi-plate disc type traveling and buffering integrated brake system as described in embodiment 1 and embodiment 2 comprises the following steps,
the brake system comprises a service brake, wherein a service brake controller 101 is provided with a pedal, the pedal is stepped, an electronic control unit 3 adjusts a pressure control valve 6 according to the stepping depth, the pressure control valve 6 controls the pressure of high-pressure gas input into a brake 7, a first pressure sensor 401 measures the pressure of the high-pressure gas and feeds the pressure back to the electronic control unit 3, and the service brake controller 101 controls brake torque to realize service brake of the brake 7;
the parking brake is performed, the parking brake controller 102 is pressed, the electronic control unit 3 receives a signal of the parking brake controller 102 to control the pressure control valve 6, the pressure control valve 6 controls high-pressure gas to be discharged out of the brake 7, and the parking brake of the brake 7 is realized;
the method comprises the following steps of (1) slow braking, wherein a slow control switch 2 is pressed down, an electronic control unit 3 receives a signal of the slow control switch 2, the electronic control unit 3 controls a pressure control valve 6 according to a set speed, and the pressure control valve 6 controls the pressure of high-pressure gas input into a brake 7; further adjusting the braking torque to realize the slow downhill braking of the brake 7;
at the time of the service brake, parking brake and retarder brake, the electronic control unit 3 reads the second pressure sensor 402, the first temperature sensor 501, the oil pump 10 starts to work according to the values of the second temperature sensor 502 and the third temperature sensor 503, the oil pump 10 pumps cooling liquid into the oil tank assembly 8, the oil tank assembly 8 pumps the cooling liquid into the brake 7 through the cooling liquid inlet 701, the cooling liquid flows into the oil tank assembly 8 from the cooling liquid outlet 702, the cooling liquid flows into the heat exchanger 9 from the oil tank assembly 8, the cooling liquid flows into the radiator 11 through the oil outlet of the heat exchanger 9, the cooling liquid flows into the heat exchanger 9 from the radiator 11 through the oil inlet again, the cooling liquid enters the oil pump 10 through the heat exchanger 9, the cooling liquid after being cooled is pumped into the oil tank assembly 8 through the oil pump 10, and the oil tank assembly 8 pumps the cooling liquid into the brake 7 through the cooling liquid inlet 701 to realize circulating.
Wherein, the electronic control unit 3 sets alarm values for the first pressure sensor 401, the second pressure sensor 402, the first temperature sensor 501, the second temperature sensor 502 and the third temperature sensor 503, when the electronic control unit 3 reads that the value of each sensor is greater than or equal to the respective alarm value, the electronic control unit 3 alarms to prompt a driver to overhaul the vehicle.
A wet type multi-disc type traveling, stopping and buffering integrated brake system using method is similar to embodiment 3, and is different in that when in service braking, high-pressure brake gas enters a parking brake gas chamber of a composite gas chamber 703 to compress a parking brake spring to release parking brake, the high-pressure brake gas enters a service brake gas chamber of the composite gas chamber 703 at the same time, the service brake gas chamber pushes a force transmission shifting fork shaft 705 to transmit, the shifting fork of the force transmission shifting fork shaft 705 drives a rotating disc 706 and an inclined plane transmission assembly 707 to rotate together, the inclined plane transmission assembly 707 pushes a brake piston 708 to move leftwards, the brake piston 708 drives a dynamic friction disc 710 and a static friction disc 711 to be attached, and the dynamic friction disc 710 and the static friction disc 711 generate friction to generate service brake; the dynamic friction disc 710 and the static friction disc 711 are engaged to generate friction force to control the braking torque;
when parking braking is performed, high-pressure braking gas is exhausted from the parking braking gas chamber of the composite gas chamber 703, the parking braking spring of the parking braking gas chamber generates thrust to push the force transmission shifting fork shaft 705 for transmission, the shifting fork of the force transmission shifting fork shaft 705 drives the rotating disc 706 and the inclined plane transmission assembly 707 to rotate together, the inclined plane transmission assembly 707 pushes the braking piston 708 to move leftwards, the braking piston 708 drives the dynamic friction disc 710 and the static friction disc 711 to be attached, and the dynamic friction disc 710 and the static friction disc 711 rub to generate parking braking;
when the vehicle brakes slowly, the pressure control valve 6 controls the pressure of high-pressure braking gas, the pressure controls the friction force generated by the engagement of the dynamic friction disc 710 and the static friction disc 711, the braking torque of the brake 7 is adjusted, the driving speed is controlled, and the slow downhill control is realized;
when the vehicle normally runs, high-pressure brake gas is discharged from the parking brake chamber of the composite gas chamber 703 to release parking brake, the return spring 712 pushes the brake piston 708 to return, the brake piston 708 drives the dynamic friction disc 710 to separate from the static friction disc 711 to release brake, and meanwhile, the high-pressure brake gas is discharged from the service brake chamber of the composite gas chamber 703 to release service brake.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A wet type multi-disc type traveling, parking and buffering integrated brake system comprises a traveling brake controller (101), a parking brake controller (102), a buffering control switch (2) and an electronic control unit (3), and is characterized in that the traveling brake controller (101) is in control connection with the electronic control unit (3), the parking brake controller (102) is in control connection with the electronic control unit (3), the buffering control switch (2) is in control connection with the electronic control unit (3), and the electronic control unit (3) is in control connection with a first pressure sensor (401), a second pressure sensor (402), a first temperature sensor (501), a second temperature sensor (502), a third temperature sensor (503) and a pressure control valve (6) respectively; the pressure control valve (6) and the brake (7) are connected through an air pipe, and the air pipe is connected with the first pressure sensor (401); a cooling liquid inlet (701) and a cooling liquid outlet (702) of the brake (7) are respectively connected with the oil tank assembly (8) through pipelines; the oil tank assembly (8) and the heat exchanger (9) are connected through a pipeline, and the pipeline is connected with the second pressure sensor (402) and the first temperature sensor (501); the heat exchanger (9) is connected with the oil pump (10) through a pipeline; the oil pump (10) and the oil tank assembly (8) are connected through a pipeline, and the pipeline is connected with the second temperature sensor (502); an oil outlet of the heat exchanger (9) is connected with one end of the radiator (11) through a pipeline, the pipeline is connected with the third temperature sensor (503), and the other end of the radiator (11) is connected with an oil inlet of the heat exchanger (9) through a pipeline.
2. A wet multi-plate disc type brake-and-retard integrated brake system as claimed in claim 1, wherein the pressure control valve (6) and the air cylinder (12) are connected by an air pipe, the air cylinder (12) and the inflating pump (13) are connected by an air pipe, and the inflating pump (13) and the engine (14) are connected by an air pipe.
3. A wet multi-plate disc brake-and-park integrated brake system according to claim 1, wherein the oil tank assembly (8) comprises an oil tank and a distribution valve.
4. The wet type multi-disc type traveling, parking and buffering integrated brake system according to claim 1, wherein the brake (7) comprises a composite air chamber (703), the composite air chamber (703) comprises a parking brake air chamber and a service brake air chamber, the parking brake air chamber comprises a parking brake spring, a composite air chamber support frame (704) is installed on the composite air chamber (703), the other end of the composite air chamber support frame (704) is connected with the left side of the brake housing, a left end cover is installed on the left side of the brake housing, a housing seal ring (715) is installed between the left end cover and the brake housing, a cooling liquid inlet (701) is formed in the center of the left end cover, a cooling liquid outlet (702) is formed in the lower portion of the left end cover, the composite air chamber (703) is connected with a force transmission fork shaft (705), and a fork of the force transmission fork shaft (705) is clamped outside an upright post on, the rotating disc (706) is arranged on the left side in the brake shell, the right end face of the rotating disc (706) is provided with an inclined plane transmission assembly (707), the end face of the inclined plane transmission assembly (707) is contacted with the brake piston (708), the left end face of the brake piston (708) is provided with a step face, a return spring (712) is arranged between the step surface and the left side of the boss in the brake shell, a piston sealing ring (709) is arranged between the brake piston (708) and the right side of the boss in the brake shell, a friction disc group is formed by a dynamic friction disc (710) and a static friction disc (711), the static friction disc (711) is arranged at the position on the left side adjacent to the dynamic friction disc (710), the static friction disc (711) is arranged in the brake shell, the brake piston (708) is connected with the dynamic friction disc (710), an outer end cover (713) is installed on the right side of the brake shell, and an end cover sealing ring (714) is installed between the outer end cover (713) and the brake shell.
5. The wet multi-plate disc-type parking and buffering integrated brake system according to claim 4, wherein the rotating disc (706) is of a circular ring structure.
6. The wet multi-disc brake integrated system of claim 5, wherein an open slot is formed at one end of the fork of the force transmission fork shaft (705).
7. The wet multi-plate disc type travel and retard integrated brake system of claim 6, wherein the opening size of the open slot is smaller than the diameter of the upright post at the end face of the rotating disc (706), the inside of the open slot is an arc slot, and the size of the arc slot is larger than the diameter of the upright post.
8. The integrated wet multi-plate disc brake system according to claim 7, wherein the upright post is mounted on a step surface of a groove on the end surface of the rotating disc (706), and the steps on both sides of the groove limit the shifting fork.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115663.1U CN212447478U (en) | 2020-09-24 | 2020-09-24 | Wet-type multi-disc type traveling, parking and buffering integrated braking system |
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| CN202022115663.1U CN212447478U (en) | 2020-09-24 | 2020-09-24 | Wet-type multi-disc type traveling, parking and buffering integrated braking system |
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| CN212447478U true CN212447478U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009446A (en) * | 2020-09-24 | 2020-12-01 | 吉林大学青岛汽车研究院 | Wet-type multi-disc type traveling, parking and buffering integrated braking system and using method thereof |
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2020
- 2020-09-24 CN CN202022115663.1U patent/CN212447478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009446A (en) * | 2020-09-24 | 2020-12-01 | 吉林大学青岛汽车研究院 | Wet-type multi-disc type traveling, parking and buffering integrated braking system and using method thereof |
| CN112009446B (en) * | 2020-09-24 | 2024-01-26 | 吉林大学青岛汽车研究院 | Wet type multi-disc type traveling and parking integrated braking system and application method thereof |
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