CN208268273U - A kind of hydraulic system of mining brake shuttle tram - Google Patents
A kind of hydraulic system of mining brake shuttle tram Download PDFInfo
- Publication number
- CN208268273U CN208268273U CN201820813158.4U CN201820813158U CN208268273U CN 208268273 U CN208268273 U CN 208268273U CN 201820813158 U CN201820813158 U CN 201820813158U CN 208268273 U CN208268273 U CN 208268273U
- Authority
- CN
- China
- Prior art keywords
- valve
- brake
- hydraulic
- idler wheel
- pressure
- 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.)
- Withdrawn - After Issue
Links
- 238000005065 mining Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
The utility model provides a kind of hydraulic system of mining brake shuttle tram, it include: control loop, execute circuit and purpose monitoring circuit, the control loop, which is connected to, executes circuit, the execution circuit is equipped with purpose monitoring circuit, the control loop includes accumulator, hydraulic control one-way valve and idler wheel reversal valve, hydraulic control one-way valve and idler wheel reversal valve are connected to hydraulic oil tank, idler wheel reversal valve side is connected to hydraulic control one-way valve, accumulator is connected on idler wheel reversal valve, the execution circuit includes check valve, brake cylinder, two pass ball valves, check valve side is connected to brake cylinder, the check valve other side is by piping connection in three-way ball valve, three-way ball valve is connected to hydraulic oil tank by air driven pump and manual pump, brake cylinder is by piping connection in hydraulic control one-way valve, purpose monitoring circuit includes pressure sensor, detect interface, this Utility model system is simple, multiple functional, and hydraulic system easy to maintain is, it can be achieved that effective prevention and control and accurate Brake stop.
Description
Technical field
The utility model relates to mining assistant conveyance machinery technical field, specially a kind of hydraulic pressure system of mining brake shuttle tram
System.
Background technique
Mine assistant conveyance has a decisive role in Mine Safety in Production, and mine shuttle car is for connecting traction
Mine car or flat car, belong to SQ-1200 endless rope series tractor transport key equipment, in order to guarantee transportation safety, it is necessary to it is run into
The effective prevention and control of row prevent from restricting or other surprisingly cause runaway accident because disconnected.
The brake fluid system of brake shuttle tram is by a large amount of combination valve group structures such as throttle grverning and outfit sequence valve at present
At system, not only Hydraulic Elements are more, and structure is complicated, and system is affected by hydraulic oil quality and oil temperature, is easily sent out
Situation is failure to actuate and is malfunctioned in life, brings hidden danger to traffic safety.Therefore, existing shuttle car hydraulic system element is more, structure is complicated,
Stability is bad, not easy-to-search, maintenance etc. of breaking down.
Utility model content
The technical issues of the utility model is solved is to provide a kind of hydraulic system of mining brake shuttle tram, on solving
State the problem of proposing in background technique.
The technical problem solved by the utility model is implemented by the following technical solutions: a kind of liquid of mining brake shuttle tram
Pressure system, comprising: control loop executes circuit and purpose monitoring circuit, and the control loop, which is connected to, executes circuit, described to hold
Row circuit is equipped with purpose monitoring circuit, and the control loop includes accumulator, hydraulic control one-way valve and idler wheel reversal valve, hydraulic control list
Hydraulic oil tank is connected to valve and idler wheel reversal valve, and idler wheel reversal valve side is connected to hydraulic control one-way valve, on idler wheel reversal valve
It is connected with accumulator, the execution circuit includes check valve, brake cylinder, two pass ball valves, and check valve side is connected to brake oil
Cylinder, by piping connection in three-way ball valve, three-way ball valve is connected to hydraulic oil by air driven pump and manual pump for the check valve other side
Fuel tank, for brake cylinder by piping connection in hydraulic control one-way valve, purpose monitoring circuit includes pressure sensor, detection interface, liquid
It controls the pipeline between check valve and brake cylinder and is equipped with pressure sensor, detection interface, open air driven pump or manual pressure pump
The hydraulic oil of fuel tank is passed through into the check valve with one-way conduction and enters four brake cylinders, damper brake is opened, and shuttle car is in just
Normal operating status, switching three-way ball valve are filled with hydraulic oil for accumulator, the power source as control oil circuit；When shuttle car travels speed
When degree is beyond the safe range set, external speed-limiting device mechanical force will touch idler wheel reversal valve mandril, the oil of accumulator
Pressure opens hydraulic control one-way valve, brake cylinder rapid off-load under the action of internal spring force, braking by idler wheel reversal valve immediately
Lock applies lock, shuttle car hard brake stop simultaneously, when allowed band of the brake cylinder system pressure lower than setting, pressure sensor
System pressure signal will be become electric signal and pass to external interface, be monitored, alarm or implement to stop by external equipment
The respective handlings such as machine.
Pipeline between the hydraulic control one-way valve and brake cylinder is equipped with two pass ball valves, and two pass ball valves are fixed on shuttle car and drive
It sails on the station of room, as artificial emergency brake.
Pipeline between the accumulator and idler wheel reversal valve is equipped with pressure gauge II, hydraulic control one-way valve and brake cylinder it
Between pipeline be equipped with pressure gauge I, pressure gauge I, pressure gauge II respectively supervise the pressure of brake cylinder system pressure and accumulator
It surveys.
Compared with prior art, the utility model has the beneficial effects that Tthe utility model system is simple, multiple functional, dimension
Convenient hydraulic system is protected, it can be achieved that effective prevention and control and accurate Brake stop.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model.
Specific embodiment
In order to make the implement technical means of the utility model, creation characteristic, reach purpose and effect is easy to understand, under
Face combines and is specifically illustrating, and the utility model is further described, in the description of the present invention, it should be noted that unless another
There is specific regulation and limits, term " installation ", " company ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It can be and be detachably connected, or being integrally connected is also mechanical connection, is also possible to be electrically connected；It can be directly connected, it can also
It, can connection inside two elements with indirectly connected through an intermediary.
As shown in Figure 1, a kind of hydraulic system of mining brake shuttle tram, comprising: control loop executes circuit and purpose monitoring
Circuit, the control loop, which is connected to, executes circuit, and the execution circuit is equipped with purpose monitoring circuit, the control loop packet
Accumulator 8, hydraulic control one-way valve 10 and idler wheel reversal valve 11 are included, hydraulic control one-way valve 10 and idler wheel reversal valve 11 are connected to hydraulic oil oil
Case, 11 side of idler wheel reversal valve are connected to hydraulic control one-way valve 10, and accumulator 8 is connected on idler wheel reversal valve 11, described to execute back
Road includes check valve 3, brake cylinder 4, two pass ball valves 9, and 3 side of check valve is connected to brake cylinder 4, and 3 other side of check valve is logical
Piping connection is crossed in three-way ball valve 2, three-way ball valve 2 is connected to hydraulic oil tank by air driven pump 101 and manual pump 102, brakes
For oil cylinder 4 by piping connection in hydraulic control one-way valve 10, purpose monitoring circuit includes pressure sensor 5, detection interface 6, hydraulic control list
It is equipped with pressure sensor 5, detection interface 6 to the pipeline between valve 10 and brake cylinder 4, air driven pump 101 is opened or beats manually
The hydraulic oil of fuel tank is passed through the check valve 3 with one-way conduction and enters four brake cylinders 4 by press pump 102, and damper brake is opened, shuttle
Vehicle is in normal operating condition, and switching three-way ball valve 2 is filled with hydraulic oil for accumulator 8, the power source as control oil circuit；When
When shuttle car travel speed is beyond the safe range set, external speed-limiting device mechanical force will touch the top of idler wheel reversal valve 11
Bar, the oil pressure of accumulator 8 pass through idler wheel reversal valve 11 immediately and open hydraulic control one-way valve 10, and brake cylinder 4 is in internal spring force
Rapid off-load under effect, damper brake apply lock, shuttle car hard brake stop simultaneously, when brake cylinder system pressure permitting lower than setting
Perhaps when range, system pressure signal will be become electric signal and pass to external interface 6 by pressure sensor 5, pass through external equipment
It is monitored, alarms or implements the respective handlings such as shutdown.
Pipeline between the hydraulic control one-way valve 10 and brake cylinder 4 is equipped with two pass ball valves 9, and two pass ball valves 9 are fixed on
On shuttle car bridge operation platform, as artificial emergency brake.
Pipeline between the accumulator 8 and idler wheel reversal valve 11 is equipped with pressure gauge II72, hydraulic control one-way valve 10 and system
Pipeline between dynamic oil cylinder 4 is equipped with pressure gauge I71, pressure gauge I71, pressure gauge II72 respectively to brake cylinder system pressure and
The pressure monitoring of accumulator.
Air driven pump 101 and manual pump 102 provide two kinds for the hydraulic system that uses specifically for underground coal mine operating condition and beat
Pressure mode, three-way ball valve 2 are to execute circuit and control loop difference oil-feeding control element, and oil liquid enters four by check valve 3
Brake cylinder 4, damper brake are opened, and shuttle car is in normal operating condition.When safe model of the mine shuttle car travel speed beyond setting
When enclosing, the mechanical force of speed-limiting device will touch 11 mandril of idler wheel reversal valve, and the oil pressure of accumulator 8 passes through idler wheel reversal valve immediately
11 open hydraulic control one-way valve 10, rapid off-load under the action of internal spring force of brake cylinder 4, and damper brake applies lock, and shuttle car is urgent
Brake stop, thus effective guarantee transportation safety.In conclusion the pressure of hydraulic system is relative constant to have ten to safe driving
Divide important meaning, two pieces of pressure gauges 7 are respectively to the pressure monitoring of brake cylinder system pressure and accumulator.Meanwhile working as braking
When cylinder system pressure is lower than the allowed band set, system pressure signal will be become electric signal transmitting by pressure sensor 5
To external interface 6, the respective handlings such as shutdown are monitored, alarm or implemented by external equipment.Two pass ball valves 9 are fixed on shuttle car
On bridge operation platform, as artificial emergency brake.In the automatic function failure of brake fluid system, manually promptly
Brake shuttle tram realizes double protection.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range be defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of hydraulic system of mining brake shuttle tram, comprising: control loop executes circuit and purpose monitoring circuit, feature
Be: the control loop, which is connected to, executes circuit, and the execution circuit is equipped with purpose monitoring circuit, the control loop packet
Accumulator, hydraulic control one-way valve and idler wheel reversal valve are included, hydraulic control one-way valve and idler wheel reversal valve are connected to hydraulic oil tank, and idler wheel changes
It is connected to hydraulic control one-way valve to valve side, accumulator is connected on idler wheel reversal valve, the execution circuit includes check valve, braking
Oil cylinder, two pass ball valves, check valve side are connected to brake cylinder, the check valve other side by piping connection in three-way ball valve, three
Pass ball valve is connected to hydraulic oil tank by air driven pump and manual pump, and brake cylinder is by piping connection in hydraulic control one-way valve, prison
Control monitoring circuit includes pressure sensor, detection interface, and the pipeline between hydraulic control one-way valve and brake cylinder is passed equipped with pressure
Sensor, detection interface, open air driven pump or manual pressure pump by the hydraulic oil of fuel tank pass through the check valve with one-way conduction into
Enter four brake cylinders, damper brake is opened, and shuttle car is in normal operating condition, and switching three-way ball valve is filled with hydraulic for accumulator
Oil, the power source as control oil circuit；When safe range of the shuttle car travel speed beyond setting, external speed-limiting device is mechanical
Power will touch idler wheel reversal valve mandril, and the oil pressure of accumulator passes through idler wheel reversal valve immediately and opens hydraulic control one-way valve, brake oil
Cylinder rapid off-load under the action of internal spring force, damper brake apply lock, shuttle car hard brake stop simultaneously, when brake cylinder system
When pressure is lower than the allowed band set, system pressure signal will be become electric signal and pass to external connect by pressure sensor
Mouthful, the respective handlings such as shutdown are monitored, alarm or implemented by external equipment.
2. a kind of hydraulic system of mining brake shuttle tram according to claim 1, it is characterised in that: the hydraulic control one-way valve
Pipeline between brake cylinder is equipped with two pass ball valves, and two pass ball valves are fixed on shuttle car bridge operation platform, as artificial
Emergency brake.
3. a kind of hydraulic system of mining brake shuttle tram according to claim 1 or 2, it is characterised in that: between oil cylinder
Pipeline is equipped with pressure gauge I, and pressure gauge I, pressure gauge II are respectively to the pressure monitoring of brake cylinder system pressure and accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813158.4U CN208268273U (en) | 2018-05-29 | 2018-05-29 | A kind of hydraulic system of mining brake shuttle tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813158.4U CN208268273U (en) | 2018-05-29 | 2018-05-29 | A kind of hydraulic system of mining brake shuttle tram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268273U true CN208268273U (en) | 2018-12-21 |
Family
ID=64684280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820813158.4U Withdrawn - After Issue CN208268273U (en) | 2018-05-29 | 2018-05-29 | A kind of hydraulic system of mining brake shuttle tram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488277A (en) * | 2018-05-29 | 2018-09-04 | 凯盛重工有限公司 | A kind of hydraulic system of mining brake shuttle tram |
-
2018
- 2018-05-29 CN CN201820813158.4U patent/CN208268273U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488277A (en) * | 2018-05-29 | 2018-09-04 | 凯盛重工有限公司 | A kind of hydraulic system of mining brake shuttle tram |
| CN108488277B (en) * | 2018-05-29 | 2024-03-26 | 凯盛重工有限公司 | Hydraulic system of mining braking shuttle car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240326 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |