CN204239555U - A kind of underground carry scraper braking remote control hydraulic system - Google Patents
A kind of underground carry scraper braking remote control hydraulic system Download PDFInfo
- Publication number
- CN204239555U CN204239555U CN201420543630.9U CN201420543630U CN204239555U CN 204239555 U CN204239555 U CN 204239555U CN 201420543630 U CN201420543630 U CN 201420543630U CN 204239555 U CN204239555 U CN 204239555U
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- filler opening
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- fuel tank
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Abstract
A kind of tunnel conveyer of the utility model braking remote control hydraulic system relates to a kind of scraper for underground job.Its objective is to provide a kind of scraper that can carry out telecontrol to the braking system of underground carry scraper.The filler opening of oil hydraulic pump is connected with fuel tank, and oil outlet is connected with the oil inlet P mouth of liquid-filling valve; The return opening N mouth of liquid-filling valve is connected with fuel tank, and actuator port R mouth is connected with the oil inlet P mouth of two-position three way remote-controlled valve with the filler opening of accumulator simultaneously; The return opening of two-position three way remote-controlled valve is connected with fuel tank, and actuator port is connected with the filler opening of 3-position-3-way foot valve; The return opening of 3-position-3-way foot valve is connected with fuel tank, and actuator port is connected with the rod chamber of propons brake cylinder with back axle brake cylinder simultaneously; Also comprise an one-way valve, the filler opening of one-way valve is connected with the actuator port of 3-position-3-way foot valve; The oil outlet of one-way valve is connected with the filler opening of 3-position-3-way foot valve.
Description
Technical field
The utility model relates to a kind of conveying arrangement, particularly relates to a kind of scraper for underground job.
Background technique
China's earth mining equipment, particularly large-scale winning equipment and unmanned winning equipment are substantially also in conceptual phase, ripe practical large-scale winning equipment and the basic dependence on import of unmanned winning equipment, the application studies of advanced technology on equipment such as automation, intellectuality, networking are also rare, the gap of domestic earth mining equipment and mining industry developed country of the world is very large, has had a strong impact on the Efficient Development of china natural resources and the progress of mining industry technology.Along with the research of Digital Mine technology, digitizing technique has become the basis of the safe and efficient exploitation of Mineral resources, is the important leverage of mining industry transformation and sustainable development.The advanced IT application finally showing as mine of Digital Mine, automation, intelligently exploit with highly effective and safe, to such an extent as to realize nobody and dig up mine and remote-controlled mining pattern.The foundation of Digital Mine, must based on the automation of large-scale trackless technical equipment and remote-control.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of underground carry scraper braking remote control hydraulic system, and this telechirics can carry out telecontrol to the braking system of underground carry scraper.
A kind of underground carry scraper braking of the utility model remote control hydraulic system, comprising: fuel tank, oil hydraulic pump, liquid-filling valve, accumulator, 3-position-3-way foot valve, propons brake cylinder, back axle brake cylinder, a two-position three way remote-controlled valve;
The filler opening of described oil hydraulic pump is connected with fuel tank, and oil outlet is connected with the oil inlet P mouth of liquid-filling valve; The return opening N mouth of described liquid-filling valve is connected with fuel tank, and actuator port R mouth is connected with the oil inlet P mouth of two-position three way remote-controlled valve with the filler opening of accumulator simultaneously; The return opening of described two-position three way remote-controlled valve is connected with fuel tank, and actuator port is connected with the filler opening of 3-position-3-way foot valve; The return opening of described 3-position-3-way foot valve is connected with fuel tank, and actuator port is connected with the rod chamber of propons brake cylinder with back axle brake cylinder simultaneously;
Also comprise an one-way valve, the filler opening of described one-way valve is connected with the actuator port of 3-position-3-way foot valve; The oil outlet of described one-way valve is connected with the filler opening of 3-position-3-way foot valve.
A kind of underground carry scraper braking of the utility model remote control hydraulic system, also comprise a pressure gauge, described manometric filler opening is connected with the filler opening of accumulator.
A kind of underground carry scraper braking of the utility model remote control hydraulic system, also comprise a pressure switch, the filler opening of described pressure switch is connected with the actuator port F mouth of described liquid-filling valve.
A kind of underground carry scraper braking of the utility model remote control hydraulic system, is wherein in series with an oil absorption filter between oil hydraulic pump and fuel tank; A high pressure filter is in series with between described oil hydraulic pump and the oil inlet P mouth of liquid-filling valve.
A kind of underground carry scraper braking of the utility model remote control hydraulic system, is wherein in series with a return filter between the return opening N mouth and fuel tank of described liquid-filling valve.
A kind of underground carry scraper of the utility model braking remote control hydraulic system difference from prior art is that a kind of underground carry scraper of the utility model braking remote control hydraulic system adds one can be carried out telecontrol telechirics to braking system on the basis of existing underground carry scraper; When underground carry scraper under severe conditions operation time, operator only need out of harm's way by remote control unit to underground carry scraper telecontrol, eliminate the life threat of environment to operator.
Below in conjunction with accompanying drawing, a kind of underground carry scraper braking of the utility model remote control hydraulic system is described further.
Accompanying drawing explanation
Fig. 1 is the hydraulic schematic diagram of a kind of underground carry scraper braking of the utility model remote control hydraulic system.
Embodiment
As shown in Figure 1, a kind of underground carry scraper braking of the utility model remote control hydraulic system, comprising: fuel tank 1, oil absorption filter 2, high pressure filter 4, oil hydraulic pump 3, liquid-filling valve 5, accumulator 8,3-position-3-way foot valve 10, propons brake cylinder 11, back axle brake cylinder 12, two-position three way remote-controlled valve 9.
The filler opening of oil hydraulic pump 3 is connected with fuel tank 1 by an oil absorption filter 2, and oil outlet is connected with the oil inlet P mouth of liquid-filling valve 5 by a high pressure filter 4; The return opening N mouth of liquid-filling valve 5 is connected with fuel tank 1 by a return filter 13; The actuator port R mouth of liquid-filling valve 5 is connected with the oil inlet P mouth of two-position three way remote-controlled valve 9 with the filler opening of accumulator 8 simultaneously, and liquid-filling valve 5 controls the pressure range of accumulator 8, realizes the off-load of oil hydraulic pump 3 simultaneously; The return opening of two-position three way remote-controlled valve 9 is connected with fuel tank 1, and actuator port is connected with the filler opening of 3-position-3-way foot valve 10; The return opening of 3-position-3-way foot valve 10 is connected with fuel tank 1, and actuator port is connected with the rod chamber of propons brake cylinder 11 with back axle brake cylinder 12 simultaneously;
Also comprise a pressure switch 6, pressure gauge 7 and an one-way valve 14, wherein the filler opening of pressure switch 6 is connected with the actuator port F mouth of liquid-filling valve 5, force value in pressure switch 6 Real-Time Monitoring accumulator 8, when accumulator 8 pressure is lower than design load, pressure switch 6 gives the alarm; The filler opening of pressure gauge 7 is connected with the filler opening of accumulator 8, for showing the force value in accumulator 8 in real time.The filler opening of one-way valve 14 is connected with the actuator port of 3-position-3-way foot valve 10; The oil outlet of one-way valve 14 is connected with the filler opening of 3-position-3-way foot valve 10.Why one-way valve 14 is set herein, its objective is that the braking in order to two-position three way remote-controlled valve 9 pairs of scrapers is independently, not by the impact of 3-position-3-way foot valve 10 state, ensure that the response time of emergency braking simultaneously.
The working principle of a kind of underground carry scraper of the utility model braking remote control hydraulic system is as follows:
If the pressure in accumulator 8 is lower than the safety pressure of setting, then pressure switch 6 gives the alarm, and prompting driver checks braking system, ensures safety.
Only by the control to two-position three way remote-controlled valve 9, the control of each brake cylinder to underground carry scraper can be completed:
When two-position three way remote-controlled valve 9 receives control signal, the spool of two-position three way remote-controlled valve 9 moves down, the filler opening of two-position three way remote-controlled valve 9 is communicated with actuator port, pressure oil in accumulator 8 enters the rod chamber of propons brake cylinder 11 and back axle brake cylinder 12 successively through two-position three way remote-controlled valve 9,3-position-3-way foot valve 10, each brake cylinder obtains pressurising, the piston rod of brake cylinder moves in cylinder, and spring is compressed, underground carry scraper brake off.
When two-position three way remote-controlled valve 9 does not receive control signal, then the spool of two-position three way remote-controlled valve 9 moves up, the return opening of two-position three way remote-controlled valve 9 is communicated with actuator port, hydraulic oil in propons brake cylinder 11, back axle brake cylinder 12 is back to fuel tank 1 through one-way valve 14, two-position three way remote-controlled valve 9 successively, the pressure release of each brake cylinder oil cylinder, the piston rod of brake cylinder moves under spring force outside cylinder, and underground carry scraper is braked.
(1) under the filler opening of two-position three way remote-controlled valve 9 and the prerequisite of actuator port connection, only by the trampling to 3-position-3-way foot valve 10, the control of each brake cylinder to underground carry scraper can be completed:
When not applying trampling power to 3-position-3-way foot valve 10, the filler opening of 3-position-3-way foot valve 10 is communicated with actuator port, pressure oil in accumulator 8 enters the rod chamber of propons brake cylinder 11 and back axle brake cylinder 12 successively through two-position three way remote-controlled valve 9,3-position-3-way foot valve 10, each brake cylinder obtains pressurising, the piston rod of brake cylinder moves in cylinder, spring is compressed, underground carry scraper brake off.
When to 3-position-3-way foot valve 10 trampling to minimum point time, the return opening of 3-position-3-way foot valve 10 is communicated with actuator port, hydraulic oil in propons brake cylinder 11, back axle brake cylinder 12 is back to fuel tank 1 through 3-position-3-way foot valve 10, the piston rod of brake cylinder moves under spring force outside cylinder, and underground carry scraper is braked.
When to 3-position-3-way foot valve 10 trampling to intermediate point time, then three hydraulic fluid ports of 3-position-3-way foot valve 10 are not communicated with each other, propons brake cylinder 11, back axle brake cylinder 12 state keep braking or keep release braking.
A kind of underground carry scraper of the utility model braking remote control hydraulic system adds one can be carried out telecontrol telechirics to braking system on the basis of existing underground carry scraper; When underground carry scraper under severe conditions operation time, operator only need out of harm's way by remote control unit to underground carry scraper telecontrol, eliminate the life threat of environment to operator.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (5)
1. a underground carry scraper braking remote control hydraulic system, comprising: fuel tank, oil hydraulic pump, liquid-filling valve, accumulator, 3-position-3-way foot valve, propons brake cylinder, back axle brake cylinder; It is characterized in that: also comprise a two-position three way remote-controlled valve;
The filler opening of described oil hydraulic pump is connected with fuel tank, and oil outlet is connected with the oil inlet P mouth of liquid-filling valve; The return opening N mouth of described liquid-filling valve is connected with fuel tank, and actuator port R mouth is connected with the oil inlet P mouth of two-position three way remote-controlled valve with the filler opening of accumulator simultaneously; The return opening of described two-position three way remote-controlled valve is connected with fuel tank, and actuator port is connected with the filler opening of 3-position-3-way foot valve; The return opening of described 3-position-3-way foot valve is connected with fuel tank, and actuator port is connected with the rod chamber of propons brake cylinder with back axle brake cylinder simultaneously;
Also comprise an one-way valve, the filler opening of described one-way valve is connected with the actuator port of 3-position-3-way foot valve; The oil outlet of described one-way valve is connected with the filler opening of 3-position-3-way foot valve.
2. a kind of underground carry scraper braking remote control hydraulic system according to claim 1, it is characterized in that: also comprise a pressure gauge, described manometric filler opening is connected with the filler opening of accumulator.
3. a kind of underground carry scraper braking remote control hydraulic system according to claim 1, it is characterized in that: also comprise a pressure switch, the filler opening of described pressure switch is connected with the actuator port F mouth of described liquid-filling valve.
4. a kind of underground carry scraper braking remote control hydraulic system according to claim 1, is characterized in that: between oil hydraulic pump and fuel tank, be in series with an oil absorption filter; A high pressure filter is in series with between described oil hydraulic pump and the oil inlet P mouth of liquid-filling valve.
5. a kind of underground carry scraper braking remote control hydraulic system according to claim 1, is characterized in that: between the return opening N mouth and fuel tank of described liquid-filling valve, be in series with a return filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543630.9U CN204239555U (en) | 2014-09-19 | 2014-09-19 | A kind of underground carry scraper braking remote control hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543630.9U CN204239555U (en) | 2014-09-19 | 2014-09-19 | A kind of underground carry scraper braking remote control hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239555U true CN204239555U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543630.9U Expired - Fee Related CN204239555U (en) | 2014-09-19 | 2014-09-19 | A kind of underground carry scraper braking remote control hydraulic system |
Country Status (1)
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| CN (1) | CN204239555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927683A (en) * | 2016-07-08 | 2016-09-07 | 四川宏华石油设备有限公司 | Hydraulic control system of tube drawbench lifting mechanism |
| CN112277915A (en) * | 2020-09-30 | 2021-01-29 | 中国煤炭科工集团太原研究院有限公司 | Safety type wire-controlled braking system and method for coal mine trackless auxiliary transportation robot |
| CN112519740A (en) * | 2020-12-25 | 2021-03-19 | 中国煤炭科工集团太原研究院有限公司 | Man-machine interactive line control brake system and method for coal mine trackless auxiliary transport robot |
-
2014
- 2014-09-19 CN CN201420543630.9U patent/CN204239555U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927683A (en) * | 2016-07-08 | 2016-09-07 | 四川宏华石油设备有限公司 | Hydraulic control system of tube drawbench lifting mechanism |
| CN112277915A (en) * | 2020-09-30 | 2021-01-29 | 中国煤炭科工集团太原研究院有限公司 | Safety type wire-controlled braking system and method for coal mine trackless auxiliary transportation robot |
| CN112519740A (en) * | 2020-12-25 | 2021-03-19 | 中国煤炭科工集团太原研究院有限公司 | Man-machine interactive line control brake system and method for coal mine trackless auxiliary transport robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20190919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |