CN103935350B - Gas-liquid composite braking structure and mining mechanical vehicle - Google Patents
Gas-liquid composite braking structure and mining mechanical vehicle Download PDFInfo
- Publication number
- CN103935350B CN103935350B CN201410151203.0A CN201410151203A CN103935350B CN 103935350 B CN103935350 B CN 103935350B CN 201410151203 A CN201410151203 A CN 201410151203A CN 103935350 B CN103935350 B CN 103935350B
- Authority
- CN
- China
- Prior art keywords
- brake
- gas
- vehicle
- valve
- liquid mixed
- 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.)
- Active
Links
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a gas-liquid composite braking structure and a mining mechanical vehicle, and belongs to the field of machine manufacturing. The gas-liquid composite braking structure comprises a work brake (1), a brake oil cylinder (2), a gas storage device, a parking brake valve (9), a hydraulic pump (8) and a parking brake (7). The gas storage device is respectively connected with the brake oil cylinder (2) and the parking brake valve (9). The brake oil cylinder (2) is connected with the work brake (1), and the gas storage device drives the brake oil cylinder (2) to convey hydraulic oil to the work brake (1). The gas storage device controls the opening and closing of the parking brake valve (9), the hydraulic pump (8) is connected with the parking brake (7) through the parking brake valve (9), and the parking brake valve (9) controls the on-off states of the hydraulic oil pipeline between the hydraulic pump (8) and the parking brake (7). According to the technical scheme, the production and using cost of a braking system is lowered through gas-liquid composite braking, the whole system can provide strong braking force, and the gas-liquid composite braking structure can be applied to mining vehicles of large tonnage.
Description
Technical field
The invention belongs to plant equipment manufactures field, it is related to a kind of brakes, more particularly, to a kind of gas-liquid mixed braking
Structure and mine equipment vehicle.
Background technology
Increasingly maximize with the continuous development of national economy, automobile, intelligent, for this quarry tipper towards maximization
The direction of high efficiency is developed.But it is no matter brakes is all requisite on which kind of automobile, large-scale currently use
Commonly used brake fluid system on mine truck, commonly uses pneumatic hydraulic system on compact car.Hydraulic brake pressure is high
Reaction has larger brake force soon, but current mine car hydraulic braking element mostly import overall price is higher, needs periodically to protect
Support and safeguard, Pneumatic braking system current element maturation has domesticized, but the relatively low brake force of pressure is less so less be applied to
Oversize vehicle.Therefore, existing traditional hydraulic braking and aerobraking, have the disadvantage in that
1) brake fluid system is overall complicated, relatively costly needs time-based maintenance to safeguard to change hydraulic oil filter core；
2) pressure is relatively low because element limits for Pneumatic braking system, and provided brake force is less.
Content of the invention
In view of this, the present invention is braked by gas-liquid mixed, reduces production and the use cost of brakes, simultaneously whole
Individual system is provided that larger brake force, can be applicable to large-tonnage mine car.
For reaching above-mentioned purpose, concrete technical scheme is as follows:
On the one hand, provide a kind of gas-liquid mixed brake structure it is adaptable to mine equipment vehicle, including service brake, system
Dynamic oil cylinder, caisson, braking valve for vehicle, hydraulic pump and parking brake, described caisson respectively with described brake cylinder
It is connected with braking valve for vehicle, described brake cylinder is connected with described service brake, described caisson drives described brake oil
Hydraulic oil is delivered to described service brake by cylinder, and described caisson controls the switch of described braking valve for vehicle, described hydraulic pressure
Pump is connected with described parking brake by described braking valve for vehicle, and described braking valve for vehicle controls described hydraulic pump to stay with described
The break-make of hydraulic circuit between car brake.
Preferably, described caisson includes air accumulator and air compressor machine, and described air compressor machine is connected with described air accumulator, described
Air accumulator is connected with described brake cylinder and braking valve for vehicle respectively.
Preferably, described caisson also includes exsiccator assembly, and described air compressor machine passes through described exsiccator assembly and institute
State air accumulator to connect.
Preferably, it is additionally provided with loop protection valve between described exsiccator assembly and air accumulator.
Preferably, also include parking switch, described air accumulator is connected with described braking valve for vehicle by described parking switch.
Preferably, described parking switch is electric-controlled switch.
Preferably, also include connected foot brake valves and relay valve, described air accumulator pass sequentially through described foot brake valves and
Relay valve is connected with described brake cylinder.
Preferably, the quantity of described air accumulator is 2～3.
Preferably, described hydraulic pump is also connected with lifting control system and transmission system respectively.
On the other hand, provide a kind of mine equipment vehicle, including a kind of gas-liquid mixed brake structure as above.
With respect to prior art, the advantage of technical scheme has:
1st, adopt gas-liquid mixed brakes to reduce to produce and use cost；
2) oil of parking system can be used for parking and can also be used for lifting and transmission system, and a pump is multiplex；
3) simple to operate, whole system is provided that larger brake force simultaneously, can be applicable to large-tonnage mine car.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention.
Wherein, 1 be service brake, 2 be brake cylinder, 3 be relay valve, 4 be foot brake valves, 5 be air accumulator, 6 parkings
Switch, 7 be parking brake, 8 be hydraulic pump, 9 be braking valve for vehicle, 10 be air compressor machine, 11 be exsiccator assembly, 12 be loop
Protection valve.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
Below with reference to accompanying drawing, embodiments of the invention are done with concrete explaination.
As shown in Figure 1 a kind of gas-liquid mixed brake structure of embodiments of the invention is it is adaptable to mine equipment vehicle,
It is applied to mine equipment vehicle, including service brake 1, brake cylinder 2, caisson, braking valve for vehicle 9, hydraulic pump 8 with stay
Car brake 7.
Caisson is connected with brake cylinder 2 and braking valve for vehicle 9 respectively.Brake cylinder 2 is connected with service brake 1,
Caisson drives brake cylinder 2 that hydraulic oil is delivered to service brake 1.Caisson controls the switch of braking valve for vehicle 9,
Hydraulic pump 8 is connected with parking brake 7 by braking valve for vehicle 9, braking valve for vehicle 9 control hydraulic pump 8 and parking brake 7 it
Between hydraulic circuit break-make.
Embodiments of the invention are braked by gas-liquid mixed, reduce production and use cost, and whole system can carry simultaneously
For larger brake force, can be applicable to large-tonnage mine car.
As shown in fig. 1, in an embodiment of the present invention, to include air accumulator 5, air compressor machine 10, exsiccator total for caisson
Become 11.It is additionally provided with loop protection valve 12 between exsiccator assembly 11 and air accumulator 5.
Additionally, air accumulator 5 is connected with braking valve for vehicle 9 by parking switch 6.Air accumulator 5 passes sequentially through foot brake valves 4 He
Relay valve 3 is connected with brake cylinder 2.
As shown in fig. 1, the working condition in embodiments of the invention includes parking braking and service braking.Vehicle launch
Hydraulic pump 8 and air compressor machine 10 work respectively afterwards, and air compressor machine 10 passes through exsiccator assembly 11, loop protection valve 12 fills to air accumulator 5
Gas, the air compressor machine off-load when air pressure reaches setting pressure.Hydraulic pump 8 is to braking valve for vehicle 9 fuel feeding simultaneously to lifting guide or change
Fast case system fuel feeding.
1, parking braking is implemented and is released:
1.1, parking braking is pressed parking switch 6 when implementing and is made it in enforcing location, by air accumulator 5 to braking valve for vehicle 9
Control gas circuit disconnect, braking valve for vehicle 9 is closed, and makes the hydraulic oil of hydraulic pump 8 cannot reach parking brake 7, parking braking
The fluid of device 7 passes through braking valve for vehicle 9 oil sump tank, and parking is moved brake 7 and internally implemented parking in the presence of spring.
1.2, parking switch 6 is pressed in parking braking when releasing make it release position, by air accumulator 5 to braking valve for vehicle 9
Control gas circuit connect, open braking valve for vehicle 9, make the hydraulic oil of hydraulic pump 8 reach parking brake by braking valve for vehicle 9
7, promote the compression spring of parking brake 7 to release parking.
2, the enforcement of service braking and releasing
2.1, when implementation is braked by stepping on foot brake valves 4, make foot brake valves 4 open the output after simultaneously opening
Gas circuit acts on relay valve 3, so that relay valve 3 is opened, and the compressed air of air accumulator 5 is applied to brake cylinder 2 by relay valve 3
On, promote the piston of brake cylinder 2, piston promotes hydraulic oil to brake to service brake 1 implementation.
2.2, unclamp foot brake valves 4 when releasing service braking, make foot brake valves 4 close relay valve 3 simultaneously, due to not having
Pilot control gas circuit acts on, and so that relay valve 3 is closed, and brake cylinder 2 internally pass through to continue by the compressed air that makes in the presence of spring
Dynamic valve 3 is discharged in the air, and the fluid of service brake 1 returns brake cylinder 2, and service brake 1 solves service braking.
In addition, as shown in Figure 2, in an embodiment of the present invention, parking switch 6 is the electric-controlled switch of electromagnetic valve form.
The quantity of air accumulator 5 is 3, the quantity of relay valve 3 is 2, makes forward and backward service brake respectively by each independent air accumulator
5 supply, improve braking effect.In addition it is also preferred that including emergency stop switch and/or jogging brake switch, it is allowed to possess as tight
The functions such as anxious braking jogging braking.
Embodiments of the invention parking is released and is released using hydraulic pressure oil pump feed, pneumatic control braking valve for vehicle；Parking braking
Valve removes returns other system fuel feeding such as lifting guide to parking system fuel feeding；Service braking adopts pneumatic control, and compressed air pushes away
Dynamic brake cylinder, exports fluid to brake by brake cylinder.
Also include a kind of mine equipment vehicle in embodiments of the invention, be provided with a kind of gas-liquid mixed braking knot described above
Structure.Because a kind of above-mentioned gas-liquid mixed brake structure has above-mentioned technique effect, therefore, it is provided with a kind of this gas-liquid mixed braking knot
The mine equipment vehicle of structure also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby go to live in the household of one's in-laws on getting married
State.
Above the specific embodiment of the present invention is described in detail, but it has been intended only as example, the present invention has not limited
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should cover within the scope of the invention.
Claims (9)
1. a kind of gas-liquid mixed brake structure is it is adaptable to mine equipment vehicle is it is characterised in that include service brake (1), system
Dynamic oil cylinder (2), caisson, braking valve for vehicle (9), hydraulic pump (8) and parking brake (7), described caisson respectively with
Described brake cylinder (2) is connected with braking valve for vehicle (9), and described brake cylinder (2) is connected with described service brake (1), institute
Stating caisson drives described brake cylinder (2) that hydraulic oil is delivered to described service brake (1), and described caisson controls
The switch of described braking valve for vehicle (9), described hydraulic pump (8) is by described braking valve for vehicle (9) and described parking brake (7)
It is connected, described braking valve for vehicle (9) controls the break-make of hydraulic circuit between described hydraulic pump (8) and described parking brake (7)；
Described caisson includes air accumulator (5) and air compressor machine (10), and described air compressor machine (10) is connected with described air accumulator (5), described
Air accumulator (5) is connected with described brake cylinder (2) and braking valve for vehicle (9) respectively.
2. gas-liquid mixed brake structure as claimed in claim 1 it is characterised in that described caisson also to include exsiccator total
Become (11), described air compressor machine (10) is connected with described air accumulator (5) by described exsiccator assembly (11).
3. gas-liquid mixed brake structure as claimed in claim 2 is it is characterised in that described exsiccator assembly (11) and air accumulator
(5) it is additionally provided with loop protection valve (12) between.
4. gas-liquid mixed brake structure as claimed in claim 3 is it is characterised in that also include parking switch (6), described gas storage
Tank (5) is connected with described braking valve for vehicle (9) by described parking switch (6).
5. gas-liquid mixed brake structure as claimed in claim 4 is it is characterised in that described parking switch (6) is electric-controlled switch.
6. gas-liquid mixed brake structure as claimed in claim 5 it is characterised in that also include connected foot brake valves (4) and
Relay valve (3), described air accumulator (5) passes sequentially through described foot brake valves (4) and relay valve (3) with described brake cylinder (2) even
Connect.
7. gas-liquid mixed brake structure as claimed in claim 6 is it is characterised in that the quantity of described air accumulator (5) is 2～3
Individual.
8. gas-liquid mixed brake structure as claimed in claim 7 it is characterised in that described hydraulic pump (8) also respectively with lifting
Control system is connected with transmission system.
9. a kind of mine equipment vehicle is it is characterised in that include the gas-liquid mixed braking as described in any one of claim 1 to 8
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151203.0A CN103935350B (en) | 2014-04-15 | 2014-04-15 | Gas-liquid composite braking structure and mining mechanical vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151203.0A CN103935350B (en) | 2014-04-15 | 2014-04-15 | Gas-liquid composite braking structure and mining mechanical vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103935350A CN103935350A (en) | 2014-07-23 |
| CN103935350B true CN103935350B (en) | 2017-02-01 |
Family
ID=51183314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410151203.0A Active CN103935350B (en) | 2014-04-15 | 2014-04-15 | Gas-liquid composite braking structure and mining mechanical vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103935350B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972650B (en) * | 2017-08-04 | 2020-07-03 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic-pneumatic composite braking system with door protection for explosion-proof rubber-tyred vehicle |
| CN107472226B (en) * | 2017-08-10 | 2023-07-25 | 徐州徐工矿山机械有限公司 | Gas cap oil braking system of mining dump truck |
| CN109927693A (en) * | 2019-04-22 | 2019-06-25 | 三一汽车制造有限公司 | Braking system and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213890A (en) * | 1987-12-11 | 1989-08-23 | Bendix Ltd | Vehicle having compressed air and hydraulic operated brakes |
| CN201677869U (en) * | 2010-03-18 | 2010-12-22 | 三一重机有限公司 | Mining dumper pneumatic brake apparatus |
| CN201712596U (en) * | 2010-05-12 | 2011-01-19 | 三一重机有限公司 | Parking braking device for mine dump truck |
| CN102358281A (en) * | 2011-08-03 | 2012-02-22 | 石家庄中煤装备制造股份有限公司 | Parking braking protection system |
| CN202911727U (en) * | 2012-10-12 | 2013-05-01 | 龙工(上海)机械制造有限公司 | Braking system of wheel loader |
| CN203805883U (en) * | 2014-04-15 | 2014-09-03 | 三一矿机有限公司 | Gas-liquid composite braking structure and mining mechanical vehicle |
-
2014
- 2014-04-15 CN CN201410151203.0A patent/CN103935350B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213890A (en) * | 1987-12-11 | 1989-08-23 | Bendix Ltd | Vehicle having compressed air and hydraulic operated brakes |
| CN201677869U (en) * | 2010-03-18 | 2010-12-22 | 三一重机有限公司 | Mining dumper pneumatic brake apparatus |
| CN201712596U (en) * | 2010-05-12 | 2011-01-19 | 三一重机有限公司 | Parking braking device for mine dump truck |
| CN102358281A (en) * | 2011-08-03 | 2012-02-22 | 石家庄中煤装备制造股份有限公司 | Parking braking protection system |
| CN202911727U (en) * | 2012-10-12 | 2013-05-01 | 龙工(上海)机械制造有限公司 | Braking system of wheel loader |
| CN203805883U (en) * | 2014-04-15 | 2014-09-03 | 三一矿机有限公司 | Gas-liquid composite braking structure and mining mechanical vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 气液混合型制动系的执行机构建模试验和仿真;王兴东，等;《汽车工程》;20021231;第24卷(第6期);第516-519页 * |
| 装载机制动控制系统的研究;陈健;《浙江大学》;20070831;第12-13页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103935350A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203879828U (en) | Hydraulic control system for lateral-loading compression-type garbage truck | |
| CN203698256U (en) | Special-purpose vehicle braking system | |
| CN101992763B (en) | Pneumatic braking system and method, and crane having pneumatic braking system | |
| CN108263367B (en) | Electronic parking system of commercial vehicle | |
| CN203372217U (en) | Large-tonnage electric forklift hydraulic braking system | |
| CN103935350B (en) | Gas-liquid composite braking structure and mining mechanical vehicle | |
| CN104401306B (en) | A kind of Large Electric wheel quarry tipper hydraulic braking controls integrated system | |
| CN103895630A (en) | Cage truck for underground coal mine | |
| CN202880252U (en) | Compressing type garbage truck pressure control device | |
| CN203819219U (en) | Cage car for underground coal mine | |
| CN202296970U (en) | Idle hook landing clutching and braking system for caterpillar crane | |
| CN202863430U (en) | Hydraulic braking control system for mining dump-truck | |
| CN102616125B (en) | A kind of system and method that hydraulic energy-accumulation hybrid power is provided | |
| CN203740909U (en) | Remote-controlled duplex brake cable crane carriage | |
| CN201753040U (en) | Packing case lifting safety control device | |
| CN108859779B (en) | Electro-hydraulic coupling braking system of alternating-current variable-frequency electric-driven transport vehicle and control method | |
| CN102152934A (en) | Hydraulic system of garbage truck | |
| CN201991861U (en) | Integrated valve block for heavy forklift hydraulic system | |
| CN207128878U (en) | A kind of quarry tipper air-operated hydraulic brake system | |
| CN202579715U (en) | Automobile clutch booster assembly | |
| CN203805883U (en) | Gas-liquid composite braking structure and mining mechanical vehicle | |
| CN203511403U (en) | Hydraulic lifting system for self-discharging train | |
| CN203819220U (en) | Parking brake system of trailer for underground coal mine | |
| CN102915049B (en) | Compression type garbage truck pressure control device | |
| CN207191065U (en) | A kind of mine car full power hydraulic brake system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SANYI HEAVY-DUTY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SANY MINING MACHINERY CO., LTD. Effective date: 20141210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215300 SUZHOU, JIANGSU PROVINCE TO: 110000 SHENYANG, LIAONING PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20141210 Address after: Yansai Lake Street, Shenyang economic and Technological Development Zone of Liaoning Province, Shenyang City, No. 31, 110000 Applicant after: Sany Heavy Equipment Co.,Ltd. Address before: Cheng Hu road Kunshan Development Zone in Suzhou City, Jiangsu province 215300 No. 9999 room 18 Applicant before: Sany Mining Machinery Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |