CN106080564A - The wet brake system of engineering dump truck double-loop air braking - Google Patents
The wet brake system of engineering dump truck double-loop air braking Download PDFInfo
- Publication number
- CN106080564A CN106080564A CN201610685780.7A CN201610685780A CN106080564A CN 106080564 A CN106080564 A CN 106080564A CN 201610685780 A CN201610685780 A CN 201610685780A CN 106080564 A CN106080564 A CN 106080564A
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- China
- Prior art keywords
- brake
- wet
- back axle
- braking
- propons
- 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.)
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Classifications
-
- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
- B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect systems
-
- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/70—Electrical control in fluid-pressure brake systems by fluid-controlled switches
-
- 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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/03—Brake assistants
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses the wet brake system of a kind of engineering dump truck double-loop air braking, including: propons service brake pipeline and back axle service brake pipeline；Front travelling gantry frame booster pump and rear travelling gantry frame booster pump, it is separately positioned on propons service brake pipeline and back axle service brake pipeline；And multiple wet brake, it is set to carry out propons braking respectively by propons service brake pipeline and back axle service brake pipeline and back axle is braked, and front travelling gantry frame booster pump and rear travelling gantry frame booster pump assist multiple wet brake aeratings braking.Double-loop air braking is carried out reasonable disposition with wet brake by the present invention, and when riches all the way raw fault, an other road can normally work；Service brake, parking braking and brake hard can also be realized simultaneously；Therefore, the present invention is effectively increased braking ability and the safety in utilization of car load, even if wet and slippery at road and that air circulation is bad working environment at coal mines, also can guarantee that good braking effect.
Description
Technical field
The present invention relates to engineering dump truck double-loop air brakes technical field, double particularly to a kind of engineering dump truck
The wet brake system of loop gas braking.
Background technology
The engineering dump truck of current domestic maturation and jubilee wagen brakes are all double-loop air braking+drum brake
Device, this brake is in the case of frequently using, it is easy to high temperature and cause stopping power degradation；In underground work
Time, owing to road is wet and slippery, air circulation is bad, this kind of brake is easy to produce car accident, can make by initiation fire time serious
Become security incident.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.
It is a still further object of the present invention to provide the wet brake system of a kind of engineering dump truck double-loop air braking, this dress
Putting and with wet brake, double-loop air braking is carried out reasonable disposition, when riches all the way raw fault, an other road can normal work
Make；Service brake, parking braking and brake hard can also be realized simultaneously；Therefore, the present invention is effectively increased the braking of car load
Performance and safety in utilization, even if wet and slippery at road and that air circulation is bad working environment at coal mines, also can guarantee that good
Braking effect.
In order to realize according to object of the present invention and further advantage, it is provided that a kind of engineering dump truck double-loop air system
Dynamic wet brake system, it is characterised in that including:
Propons service brake pipeline and back axle service brake pipeline；
Front travelling gantry frame booster pump and rear travelling gantry frame booster pump, it is separately positioned on propons service brake pipeline and rear travelling gantry frame
On brake piping；And
Multiple wet brakes, it is set to be carried out respectively by propons service brake pipeline and back axle service brake pipeline
Propons braking and back axle are braked, and front travelling gantry frame booster pump and rear travelling gantry frame booster pump assist multiple wet brake aerating systems
Dynamic.
Preferably, wherein, at foot brake valves, form propons service brake pipeline and back axle service brake pipeline respectively
Parallel synchronous control two-way vent line.
Preferably, wherein, multiple wet brakes include the left wet brake of propons, the right wet brake of propons, after
The left wet brake of bridge and the right wet brake of back axle.
Preferably, wherein, propons service brake pipeline also includes the first air accumulator, its outlet side by foot brake valves with
The connection of front travelling gantry frame booster pump inlet end or disconnection, and the oil outlet end of front travelling gantry frame booster pump wet braking left with propons respectively
The service brake oil-in of device wet brake right with propons is connected；
Back axle service brake pipeline also includes the second air accumulator；Driving relay valve, its 4th air inlet passes through foot brake valves
Connect with the first gas outlet of the second air accumulator or disconnect, first air inlet and the second of the second air accumulator of driving relay valve
Gas outlet connects, and the gas outlet of driving relay valve is connected with the air inlet of rear travelling gantry frame booster pump, rear travelling gantry frame booster pump
The service brake oil-in of oil-out wet brake left with back axle and the right wet brake of back axle respectively is connected；3rd gas storage
Tank, its gas outlet is connected with the first air inlet of driving relay valve.
Preferably, wherein, also including that parking releases vent line, it includes hand brake valve；Parking relay valve, it is first years old
Air inlet and the 4th air inlet are connected with the first of hand brake valve and second mouthful respectively by pipeline, and the second air accumulator
The gas outlet parallel communication of the second gas outlet and the 3rd air accumulator is to the first air inlet of parking relay valve；Back axle parking is afterburning
Pump, its air inlet connects with the gas outlet of described parking relay valve, and the oil-out of back axle parking booster pump is wet with a back axle left side respectively
The parking release pressure oil port of formula brake wet brake right with back axle is connected.
Preferably, wherein, propons service brake pipeline and the most symmetrical distribution of back axle service brake pipeline.
Preferably, wherein, described wet brake is enclosed multi-disc oil-cooled brake.
Preferably, wherein, multiple wet brakes are arranged on front axle assy and rear axle assy by bolt respectively.
Preferably, wherein, described rear axle assy is at least 1.
The present invention at least includes following beneficial effect:
Wet brake itself have braking steadily, gap need not adjust, maintenance period is the longest, braking moment big, by outward
The advantages such as boundary's factor impact is less, therefore, the wet brake system of engineering dump truck double-loop air of the present invention braking, will
After double-loop air braking and wet brake reasonable disposition, when riches all the way raw fault, an other road can normally work, additionally
Service brake, parking braking and brake hard can also be realized simultaneously；Therefore, the present invention is effectively increased the braking ability of car load
And safety in utilization, even if wet and slippery at road and that air circulation is bad working environment at coal mines, also can guarantee that good braking
Effect.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this
Invention research and practice and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the former of the wet brake system of engineering dump truck double-loop air braking described in one of them embodiment of the present invention
Reason figure；
Fig. 2 is that in the wet brake system that engineering dump truck double-loop air of the present invention is braked, wet brake is installed
Figure；
Fig. 3 is Fig. 2 A-A sectional view.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term do not allot one or many
Other element individual or the existence of a combination thereof or interpolation.
As it is shown in figure 1, the invention provides the wet brake system of a kind of engineering dump truck double-loop air braking, its feature
It is, including:
Propons service brake pipeline and back axle service brake pipeline；
Front travelling gantry frame booster pump 14 and rear travelling gantry frame booster pump 7, it is separately positioned on propons service brake pipeline and back axle
On service brake pipeline；And
Multiple wet brakes, it is set to be carried out respectively by propons service brake pipeline and back axle service brake pipeline
Propons braking and back axle are braked, and front travelling gantry frame booster pump and rear travelling gantry frame booster pump assist multiple wet brake aerating systems
Dynamic.
In such scheme, wet brake itself have braking steadily, gap need not adjust, maintenance period is the longest, system
Kinetic moment is big, affected the advantages such as less by extraneous factor, and therefore, it is wet that engineering dump truck double-loop air of the present invention is braked
Formula brakes, by after double-loop air braking and wet brake reasonable disposition, when riches all the way raw fault, an other road can
Normal work, additionally can also realize service brake, parking braking and brake hard simultaneously；Therefore, the present invention is effectively increased
The braking ability of car load and safety in utilization, even if wet and slippery at road and that air circulation is bad working environment at coal mines, also can
Ensure good braking effect.
As it is shown in figure 1, in a preferred version, formed respectively at foot brake valves 11 propons service brake pipeline and after
The two-way vent line that the parallel synchronous of travelling gantry frame brake piping controls.
In such scheme, under normal usage, the row of propons and back axle can be realized by foot brake valves simultaneously
Car is braked, and when wherein riches all the way raw fault, an other road can normally work, it is ensured that traffic safety.
As it is shown on figure 3, in a preferred version, multiple wet brakes include that the left wet brake of propons 1, propons are right
The left wet brake of wet brake 2, back axle 12 and the right wet brake of back axle 5.
Wherein, wet brake assembly 15 comprises parking release pressure oil port 17, service brake oil-in 18, parking braking
Air vent 19,20 4 hydraulic fluid ports of service brake air vent.
In such scheme, propons and back axle respectively arrange two wet brakes, it is ensured that service brake, parking braking and
The brake compensation of brake hard, it is ensured that brake safe.
As it is shown in figure 1, in a preferred version, propons service brake pipeline also includes the first air accumulator 13, and it is given vent to anger
End is connected by foot brake valves with front travelling gantry frame booster pump 14 inlet end or disconnects, and the oil outlet end of front travelling gantry frame booster pump divides
The not service brake oil-in of wet brake left with propons and the right wet brake of propons is connected；
Back axle service brake pipeline also includes the second air accumulator 4；Driving relay valve 8, its 4th air inlet 8-4 passes through foot system
Dynamic valve and the first gas outlet 4-1 connection or disconnection of the second air accumulator, the first air inlet 8-1 and second storage of driving relay valve
Second gas outlet 4-2 connection of gas tank, the gas outlet 8-2 of driving relay valve is connected with the air inlet 7-A of rear travelling gantry frame booster pump 7
Logical, the oil-out 7-B of rear travelling gantry frame booster pump wet brake left with back axle respectively and the driving system of the right wet brake of back axle
Dynamic oil-in is connected；3rd air accumulator 10, its gas outlet is connected with the first air inlet 8-1 of driving relay valve.
In such scheme, when vehicle driving is braked, stepping on foot brake valves 11, at this moment the gas of 40L air accumulator 4 is by stepping on
11-11 and the 11-21 mouth of foot brake valve 11 enters into the 8-4 mouth of driving relay valve 8,8-1 and the 8-2 mouth of driving relay valve 8
Connection, the gas of 40L air accumulator 4 and 20L air accumulator 10 arrives rear travelling gantry frame booster pump 7, at this moment in booster pump by driving relay valve 8
Fluid enter into the right wet brake of back axle 5 and the left wet brake of back axle 12 12-B mouth promote piston carry out rear travelling gantry frame
Braking；Meanwhile, the gas of 40L air accumulator 13 enters front travelling gantry frame booster pump 14 by 11-12 and the 11-22 mouth of foot brake valves 11,
At this moment the fluid in booster pump enters into the left wet brake of propons 1 and the right wet brake of propons 2, promotes piston to carry out propons
Service brake.
As it is shown in figure 1, in a preferred version, also include that parking releases vent line, it includes hand brake valve 3；Stay
Car relay valve, its first air inlet 9-1 and the 4th air inlet 9-4 by pipeline respectively with the first 3-1 of hand brake valve and the
Two mouthfuls of 3-2 are connected, and the gas outlet parallel communication of the second gas outlet 4-2 of the second air accumulator and the 3rd air accumulator 10 is to parking
First air inlet 9-1 of relay valve；The gas outlet 9-2 of back axle parking booster pump 6, its air inlet 6-A and described parking relay valve
Connection, the oil-out 6-B of back axle parking booster pump wet brake left with back axle respectively and the parking of the right wet brake of back axle
Release pressure oil port is connected.
In such scheme, parking when travelling is needed to release operation for vehicle, particularly as follows: when vehicle needs to travel
Time, first hand brake valve 3 is put into " release " position, at this moment the 3-1 mouth of hand brake valve 3 connects with 3-2 mouth, 40L air accumulator 4 He
The part gas of 20L air accumulator 10 enters parking relay valve 9-4 mouth, and at this moment the 9-1 mouth of parking relay valve 9 connects with 9-2 mouth, air
Entering into back axle parking booster pump 6, at this moment the fluid in booster pump enters into the right wet brake of back axle 5 and the left wet type system of back axle
The 12-A mouth of dynamic device 12, promotes parking spring, makes spring discharge, and at this moment parking releases.
It addition, when vehicle parking, hand brake valve 3 is put into " parking " position, parking relay valve 9-4 and atmosphere, after
The right wet brake of bridge 5 and the left wet brake of back axle 12 do not have pressure oil, at this moment stay by the spring compression in wet brake
Car brake strip carries out parking braking.
When vehicle carries out emergency brake, owing to system internal gas pressure is the lowest, realize service brake not, the right wet type system of back axle
Dynamic device 5 and the left wet brake of back axle 12 are braked due to spring force oneself.
In a preferred version, propons service brake pipeline and the most symmetrical distribution of back axle service brake pipeline.
In such scheme, it is ensured that the pipeline trend of left and right wheels is consistent, it is ensured that reaction concordance during car braking.
As it is shown on figure 3, in a preferred version, described wet brake is enclosed multi-disc oil-cooled brake.
In such scheme, wet brake i.e. enclosed multi-disc oil-cooled brake, service brake can be realized simultaneously, stay
Car braking and brake hard.
In a preferred version, multiple wet brakes are arranged on front axle assy and rear axle assy by bolt respectively
On.
As in figure 2 it is shown, in such scheme, on an axle assembly 16, left and right respectively arranges a wet brake assembly 15.
In a preferred version, described rear axle assy is at least 1.
In such scheme, according to needs of production, rear axle assy can arrange 1,2 even 3, and back axle is total
Become to be drive axle, realize synchronous braking by the right wet brake of back axle 5 and the left wet brake of back axle 12.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed
Using, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easily
Realizing other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (9)
1. the wet brake system of an engineering dump truck double-loop air braking, it is characterised in that including:
Propons service brake pipeline and back axle service brake pipeline；
Front travelling gantry frame booster pump and rear travelling gantry frame booster pump, it is separately positioned on propons service brake pipeline and back axle service brake
On pipeline；And
Multiple wet brakes, it is set to carry out propons respectively by propons service brake pipeline and back axle service brake pipeline
Braking and back axle are braked, and front travelling gantry frame booster pump and rear travelling gantry frame booster pump assist multiple wet brake aeratings braking.
2. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 1, it is characterised in that in foot system
The two-way vent line that the parallel synchronous of propons service brake pipeline and back axle service brake pipeline controls is formed respectively at dynamic valve.
3. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 1, it is characterised in that multiple wet
Formula brake includes the left wet brake of propons, the right wet brake of propons, the left wet brake of back axle and the right wet type system of back axle
Dynamic device.
4. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 3, it is characterised in that propons row
Car brake piping also includes the first air accumulator, its outlet side connected with front travelling gantry frame booster pump inlet end by foot brake valves or
Disconnect, and the oil outlet end of front travelling gantry frame booster pump wet brake left with propons respectively and the driving system of the right wet brake of propons
Dynamic oil-in is connected；
Back axle service brake pipeline also includes the second air accumulator；Driving relay valve, its 4th air inlet is by foot brake valves and the
First gas outlet connection or disconnection of two air accumulators, the first air inlet of driving relay valve and the second of the second air accumulator are given vent to anger
Mouthful connection, the gas outlet of driving relay valve is connected with the air inlet of rear travelling gantry frame booster pump, rear travelling gantry frame booster pump fuel-displaced
The service brake oil-in of mouth wet brake left with back axle and the right wet brake of back axle respectively is connected；3rd air accumulator,
Its gas outlet is connected with the first air inlet of driving relay valve.
5. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 4, it is characterised in that also include
Parking releases vent line, and it includes hand brake valve；Parking relay valve, its first air inlet and the 4th air inlet are divided by pipeline
Not it is not connected with the first of hand brake valve and second mouthful, and the second gas outlet of the second air accumulator and giving vent to anger of the 3rd air accumulator
Mouthful parallel communication is to the first air inlet of parking relay valve；Back axle parking booster pump, its air inlet and described parking relay valve
Staying of gas outlet connection, the oil-out of back axle parking booster pump wet brake left with back axle respectively and the right wet brake of back axle
Car release pressure oil port is connected.
6. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 1, it is characterised in that propons row
Car brake piping and the most symmetrical distribution of back axle service brake pipeline.
7. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 1, it is characterised in that described wet
Formula brake is enclosed multi-disc oil-cooled brake.
8. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 1, it is characterised in that multiple wet
Formula brake is arranged on front axle assy and rear axle assy by bolt respectively.
9. the wet brake system of engineering dump truck double-loop air braking as claimed in claim 8, it is characterised in that after described
Axle assembly is at least 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685780.7A CN106080564B (en) | 2016-08-18 | 2016-08-18 | The wet brake system of engineering dump truck double-loop air braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685780.7A CN106080564B (en) | 2016-08-18 | 2016-08-18 | The wet brake system of engineering dump truck double-loop air braking |
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| Publication Number | Publication Date |
|---|---|
| CN106080564A true CN106080564A (en) | 2016-11-09 |
| CN106080564B CN106080564B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610685780.7A Active CN106080564B (en) | 2016-08-18 | 2016-08-18 | The wet brake system of engineering dump truck double-loop air braking |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380150A (en) * | 2017-08-07 | 2017-11-24 | 包头市北工机械有限公司 | A kind of explosion-proof decompression brakes of gas control wet type |
| CN107472226A (en) * | 2017-08-10 | 2017-12-15 | 徐州徐工矿山机械有限公司 | A kind of quarry tipper air-operated hydraulic brake system |
| EP3539833A4 (en) * | 2016-11-14 | 2020-03-25 | Hino Motors, Ltd. | Brake system |
| CN114684079A (en) * | 2022-04-02 | 2022-07-01 | 北京汽车集团越野车有限公司 | Parking mechanism and vehicle |
| CN115027433A (en) * | 2022-05-05 | 2022-09-09 | 北京汽车集团越野车有限公司 | Braking system and vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3539833A4 (en) * | 2016-11-14 | 2020-03-25 | Hino Motors, Ltd. | Brake system |
| CN107380150A (en) * | 2017-08-07 | 2017-11-24 | 包头市北工机械有限公司 | A kind of explosion-proof decompression brakes of gas control wet type |
| CN107472226A (en) * | 2017-08-10 | 2017-12-15 | 徐州徐工矿山机械有限公司 | A kind of quarry tipper air-operated hydraulic brake system |
| CN114684079A (en) * | 2022-04-02 | 2022-07-01 | 北京汽车集团越野车有限公司 | Parking mechanism and vehicle |
| CN115027433A (en) * | 2022-05-05 | 2022-09-09 | 北京汽车集团越野车有限公司 | Braking system and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106080564B (en) | 2019-02-19 |
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