CN203158064U - Braking and steering system for explosion-proof electric trackless rubber-tyred vehicle - Google Patents
Braking and steering system for explosion-proof electric trackless rubber-tyred vehicle Download PDFInfo
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- CN203158064U CN203158064U CN2012206076458U CN201220607645U CN203158064U CN 203158064 U CN203158064 U CN 203158064U CN 2012206076458 U CN2012206076458 U CN 2012206076458U CN 201220607645 U CN201220607645 U CN 201220607645U CN 203158064 U CN203158064 U CN 203158064U
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Abstract
The utility model relates to a braking and steering system for an explosion-proof electric trackless rubber-tyred vehicle, which comprises an explosion-proof full-hydraulic steering system, a wet braking system, and a hydraulic station driving the two systems, wherein the full-hydraulic steering system comprises a full-hydraulic steering device, a steering oil cylinder, connecting pipelines and pipe joints; the wet braking system comprises a pedal valve, an energy accumulator prefill valve, energy accumulators, a wet brake, a parking handle valve, a fail-safe wet parking brake, pipelines and pipe joints; the hydraulic station comprises an explosion-proof motor, a pump casing, a coupler, a gear pump, an overflow valve, a valve block, a welded oil tank, a filter element, pipelines and pipe joints; and in the whole process, an engine drives the gear pump, the gear pump pumps oil to the energy accumulator prefill valve, and the energy accumulator prefill valve first prefills the energy accumulators, and then reverses to the steering system after full.
Description
Technical field
The utility model relate to a kind ofly turn to, brake system, specially refer to for the mining Electric Explosion-proof rubber-tired cart under I class and the II class blast protection environment.
Background technology
At present, its power resources of explosion-proof vehicle of using below of mine are mainly diesel oil.Owing to can produce carbonic oxide (CO), hydro-carbon (HC), Nitrogen oxides (NOX) and particulate pollutant behind the diesel combustion, therefore pollute producing serious environmental.Along with the raising of country to requirement on environmental protection, be that vehicle powered will replace with gradually with pure electric power with diesel oil be the vehicle power of power.With the power of pure electric power as automobile, have the advantage of zero disposal of pollutants, meet the environmental protection policy of country.
And multi-disc type sealing oil-immersed multi-disk brake has that lock torque is big, anti-explosion safety, that braking produces surface temperature is low, rapid heat dissipation; Sealing can prevent that the pollutants that causes the brake pad pad wear from entering drg totally, thereby reduces maintenance and downtime, and can keep long service life under harsh environment.And energy storage still can keep braking more than 5 times when the car load dynamic failure, guarantees safety; In addition Parking Brake is the fail safe type, and compact conformation meets the requirement of coal peace, install Parking handle valve additional after, make vehicle operating flexible, safety.
Hydro-steering have operation light, turn to flexibly, plurality of advantages such as mounting arrangements is convenient, no matter be the world or domestic hydro-steering technology at present wheel type loader, roller, fork truck, big (in) in the steering swivel system of horsepower trac. and combination machine all to have obtained general application.
And drive the driving engine that do not rely on of steering swivel system and brake system, but the Hydraulic Station drive of being formed by fire proof motor, gear wet goods,
Because hydraulic efficiency pressure system is easy to anti-explosion safety, reaction is fast, stable performance, and therefore advantages such as long service life are used widely below mine.
Because major part all is diesel-powered vehicle below the mine, below mine, bring serious environmental to pollute, so the anti-explosion electric car must be following trend, and depend on the braking in a turn force aid system in engine power source, also will be along with change.
Summary of the invention
In order to solve the skid steer system of mine anti-explosion battery-driven car, and satisfy colliery relevant criterion requirement, the utility model has been taked following technical scheme:
A kind of for I class and the explosion-proof automobile brake steering swivel system of II class, comprising: all hydraulic pressure steering-gear, wet brake system, Hydraulic Station, and connect with assemblies such as hydraulic tubing adaptor union formation;
Described all hydraulic pressure steering-gear belongs to open-circuit system, by all-hydraulic steering gear, turn to oil cylinder, pipeline and adaptor union to form, happy formula deflector control oil cylinder pushing direction is arranged, and realizes turning to;
Described wet brake system, belong to closed circuit, and braking during standstill and the braking of driving trailing wheel share an energy storage, by oil-immersed multi-disk brake, treadle valve, accumulator charging valve, energy storage, Parking handle valve, wet type Parking Brake and hydraulic tubing adaptor union are formed, when Hydraulic Station starts, accumulator charging valve is the preferential energy storage topping up of giving earlier, when energy storage reaches setting pressure, prefill valve commutates to steering swivel system, during service brake, pressure is given front and rear wheel brake by energy storage through treadle valve, realize braking, when energy storage pressure was reduced to setting pressure, prefill valve commutated to the energy storage topping up, when car load breaks down can not topping up the time, the minimum setting pressure of energy storage still can provide 5 pin above braking.And Parking Brake is the fail safe type, and pressure source and back axle energy storage share, and gives the Parking Brake fuel feeding through inverse proportion Parking handle valve, the Parking Brake spring strutted when Parking handle valve was opened, and vehicle can move, otherwise, when Parking handle valve cut out, spring recovered, and vehicle stays.
Described Hydraulic Station, by welding fuel tank, fire proof motor, pump block, coupler, gear type pump, by pass valve, valve piece, oil suction, return filter, pipeline and adaptor union are formed, and be mainly braking in a turn propulsion source is provided, and drive and turn to, brake this two systems.
Hydraulic Station and service brake Hydraulic Elements are arranged in front deck, and deflector is arranged in the compartment, and each Hydraulic Elements is pressed interface with hydraulic hose respectively and connected, and adaptor union and flexible pipe have good sealing structure.
Beneficial effect of the present invention: one. the solution battery-driven car turns to, brake boost propulsion source problem; Two. two big systems combine with braking in a turn, and utilize the energy storage energy storage, and the motor power consumption is minimized; Three. operate lightly, durable in use, and meet explosion-proof relevant criterion and require therefore.It is safer that the present invention can make whole vehicle use below mine.
Description of drawings
Fig. 1 is systematic schematic diagram of the present invention.
The specific embodiment
With reference to figure 1, each parts name is respectively among the figure: the 1-gear type pump; The 2-fuel tank; The 3-by pass valve; The 4-accumulator charging valve; The 5-treadle valve; 6-energy storage 1; 7-energy storage 2; 8-Parking handle valve; The 9-Parking Brake; The 10-running brake; 11-turns to oil cylinder; The 12-deflector.
Fig. 1 has comprised the braking of anti-explosion electric railless free-wheeled vehicle and steering swivel system schematic diagram.
Represent principle and the oil circuit control of skid steer system among the figure, and indicated the hydraulic principle symbol of all parts.Because it is little many that the relative fire proof motor of gear type pump is wanted, therefore gear type pump is placed on the fuel tank the inside, not only can reduce noise, also can guarantee the cleaning of gear type pump.Connect oil meter on prefill valve R, the mouth, can observe at any time, system's topping up situation is with its energy storage pressure situation, treadle valve also has two hydraulic fluid ports to connect oil meter in addition, at any time the pressure condition of drg before and after can observing, Parking Brake also has an oil meter in addition, also can observe the Parking Brake pressure condition at any time.System front end is equipped with by pass valve, and when system pressure surpassed safe pressure, by pass valve was opened, decompression protection.
When fire proof motor starts, fluid advances from prefill valve P mouth, head direct for the R mouth and connect treadle valve R mouth, open the double check valve of treadle valve the inside, give two energy storage topping ups simultaneously, when energy storage pressure reaches setting pressure, the prefill valve commutation, oil pressure is given to the B mouth from the P mouth, guarantees that also the R mouth has enough flows simultaneously, prefill valve B mouth connects the P mouth of deflector, when deflector belonged to meta, fluid directly went out from the T mouth, does not have pressure, when left-handed turning to the time, the P mouth connects the B mouth, promotes to turn to oil cylinder left, and the A mouth connects the oil return of T mouth, realization turns to, otherwise to the right.Therefore, vehicle majority in the process of moving belongs to meta or turns to by a small margin, and power consumption reduces.Parking Brake and rear wheel brake share an energy storage, and when inverse proportion handle valve initial position, fluid to Parking Brake, is pushed the drg retarding spring open, brake off from energy storage process handle valve; When the handle valve up drew, oil circuit disconnected, and realized braking.
Earlier Hydraulic Elements are fixed on the vehicle body, preferably be arranged in the car front deck, be convenient to heat radiation and maintenance, and consider that the installation site is suitable, spanner can put in place, elbow of pipeline is more few more good, and pipeline length is reasonable, and pipeline need be arranged by frame beam, avoid acute angle, seamed edge as far as possible, and fix, in order to avoid when driving, vibrations take place come off.In addition deflector is installed in the compartment, steering column is more short more good, and the position of deflector can not be higher more than 0.5 meter than the fuel tank page, otherwise influences the oil suction effect.
In sum: actv. of the present invention solves the skid steer system of mining railless free-wheeled vehicle, and has the following advantages:
1. operate light, flexible;
2. compact conformation is easily arranged;
3. safeguard easily.
Claims (1)
1. anti-explosion electric railless free-wheeled vehicle skid steer system, be used for I class and II class explosion-proof environment, comprise: all hydraulic pressure steering-gear, wet brake system, assemblies such as Hydraulic Station constitute, and all hydraulic pressure steering-gear comprises: all-hydraulic steering gear, turn to oil cylinder, connecting line and adaptor union; Wet brake system comprises: treadle valve, accumulator charging valve, energy storage, oil-immersed multi-disk brake, Parking handle valve, fail safe type wet type Parking Brake, pipeline and adaptor union; Hydraulic Station is by welding fuel tank, fire proof motor, pump block, coupler, gear type pump, by pass valve, valve piece, oil suction, return filter, and pipeline and adaptor union are formed;
Described anti-explosion electric railless free-wheeled vehicle skid steer system, it is characterized in that: brake system belongs to closed circuit, and braking during standstill and the braking of driving trailing wheel share an energy storage, and steering swivel system is open-circuit system; Hydraulic Station and service brake Hydraulic Elements are arranged in front deck, and deflector is arranged in the compartment, and each Hydraulic Elements is pressed interface with hydraulic hose respectively and connected, and adaptor union and flexible pipe have good sealing structure.
2. according to the anti-explosion electric railless free-wheeled vehicle skid steer system described in the claim 1, it is characterized in that: described service braking system is wet brake system, and rely on energy storage that pressure and pressure store are provided, under the situation that the car load power system lost efficacy, still can keep the braking more than 5 pin;
Described steering swivel system is open-circuit system, bearing circle when meta, the direct oil sump tank of fluid, motor just produces load when turning to;
Described Hydraulic Station provides propulsion source for total system, and gear type pump is put into the fuel tank the inside, noise is obviously descended, and by pass valve is housed, and when system's et out of order, plays the safety guard-safeguard effect.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206076458U CN203158064U (en) | 2012-11-17 | 2012-11-17 | Braking and steering system for explosion-proof electric trackless rubber-tyred vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206076458U CN203158064U (en) | 2012-11-17 | 2012-11-17 | Braking and steering system for explosion-proof electric trackless rubber-tyred vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203158064U true CN203158064U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206076458U Expired - Lifetime CN203158064U (en) | 2012-11-17 | 2012-11-17 | Braking and steering system for explosion-proof electric trackless rubber-tyred vehicle |
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| CN (1) | CN203158064U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072623A (en) * | 2012-11-17 | 2013-05-01 | 深圳市德塔电动汽车科技有限公司 | Braking and steering system of anti-explosion electric trackless rubber-tyred vehicle |
| CN106627545A (en) * | 2016-12-13 | 2017-05-10 | 中国煤炭科工集团太原研究院有限公司 | Energy-saving hydraulic brake system of anti-explosion electric rubber-tyred vehicle |
| CN107264499A (en) * | 2017-06-30 | 2017-10-20 | 徐州徐工矿山机械有限公司 | A kind of quarry tipper hydraulic auxiliary brake system and its control method |
| CN110901623A (en) * | 2018-09-14 | 2020-03-24 | 中车大同电力机车有限公司 | Rail vehicle |
-
2012
- 2012-11-17 CN CN2012206076458U patent/CN203158064U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072623A (en) * | 2012-11-17 | 2013-05-01 | 深圳市德塔电动汽车科技有限公司 | Braking and steering system of anti-explosion electric trackless rubber-tyred vehicle |
| CN106627545A (en) * | 2016-12-13 | 2017-05-10 | 中国煤炭科工集团太原研究院有限公司 | Energy-saving hydraulic brake system of anti-explosion electric rubber-tyred vehicle |
| CN107264499A (en) * | 2017-06-30 | 2017-10-20 | 徐州徐工矿山机械有限公司 | A kind of quarry tipper hydraulic auxiliary brake system and its control method |
| CN107264499B (en) * | 2017-06-30 | 2023-09-12 | 徐州徐工矿业机械有限公司 | Hydraulic auxiliary braking system of mining dump truck and control method thereof |
| CN110901623A (en) * | 2018-09-14 | 2020-03-24 | 中车大同电力机车有限公司 | Rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518115 Guangdong province Shenzhen City Pingshan Kengzi streets rongshou Ludeta high-tech factory 1 layer Patentee after: SHENZHEN DETA ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 518115, Guangdong Province, Longgang District, Henggang Shenzhen Street Ping Road No. 138, 102 Patentee before: SHENZHEN DETA ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |