CN212839073U - Emergency device for oil circuit system of wet brake of underground tunnel vehicle - Google Patents
Emergency device for oil circuit system of wet brake of underground tunnel vehicle Download PDFInfo
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- CN212839073U CN212839073U CN202021096008.XU CN202021096008U CN212839073U CN 212839073 U CN212839073 U CN 212839073U CN 202021096008 U CN202021096008 U CN 202021096008U CN 212839073 U CN212839073 U CN 212839073U
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- wet brake
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Abstract
The utility model discloses a tunnel car wet brake oil piping system emergency device belongs to wet brake technical field, its technical scheme main points are including being used for saving hydraulic oil, and to the oil tank of fuel feeding in the wet brake, be provided with the prefill valve that is used for controlling oil pressure in the wet brake between oil tank and the wet brake, the input and the oil tank of prefill valve are linked together through the pipeline, fixedly connected with is arranged in to the brake pump of fuel feeding in the prefill valve on the pipeline between prefill valve and the oil tank, wet brake is linked together through the pipeline with the oil tank, reach the effect that will facilitate for pulling trouble vehicle.
Description
Technical Field
The utility model relates to an equipment field, in particular to gallery car wet brake oil piping system emergency device.
Background
The existing Chinese patent with publication number CN207064520U discloses a wet brake, which comprises a shell, a cylinder sleeve, a brake piston, a plurality of dynamic friction plates and a plurality of static friction plates, wherein the shell is fixedly arranged at one end of the cylinder sleeve, the dynamic friction plates are fixedly arranged on a brake shaft through an external spline, the static friction plates are fixedly arranged on the inner wall of the shell through an internal spline, the dynamic friction plates and the static friction plates are arranged in parallel in a staggered and alternate mode, the brake piston is slidably arranged in the cylinder sleeve, a plurality of elastic elements are fixedly arranged on one end surface of the end cover, the end cover is screwed on the inner wall of one end, far away from the shell, of the cylinder sleeve through a threaded connection structure, so that the elastic elements push the brake piston to extrude the dynamic friction plates and the static friction plates, an oil cavity is formed by the brake piston and. When the vehicle is in a running state, a certain amount of hydraulic oil (provided by a hydraulic system) is injected into the oil cavity through the oil port, the hydraulic oil overcomes the elastic force of the elastic element to push the brake piston to be far away from the friction plate, the friction plate is not extruded any more, so that a gap exists between the friction plate and the static friction plate, and the brake shaft can rotate freely, so that the vehicle can run normally.
However, the wet brake needs to be released after the vehicle is started, and when the tunnel vehicle cannot be started, the wet brake is in a braking state, which causes inconvenience for towing the failed vehicle.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a gallery car wet brake oil piping system emergency device reaches the effect of facilitating for pulling trouble vehicle.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an emergency device for an oil circuit system of a wet brake of a tunnel car comprises an oil tank used for storing hydraulic oil and supplying oil to the interior of the wet brake, a brake pump driven by an engine of the tunnel car is arranged between the oil tank and the wet brake, the input end of the brake pump is communicated with the oil tank through a pipeline, the output end of the brake pump is communicated with the wet brake through a pipeline, a three-way ball valve is further connected to the pipeline between the brake pump and the wet brake, and an emergency oil conveying device is connected to a port, which is not communicated with the brake pump and the wet brake, of the three-way ball valve through a pipeline.
Through adopting above-mentioned technical scheme, when tunnel car breaks down and can't start, can be with the passageway that communicates of manual switching tee bend ball valve to make emergent oil transportation device and wet brake be linked together, take out the oil in the oil tank and pump the wet brake into through emergent oil transportation device afterwards, thereby relieve wet brake's braking effect, and then facilitate for dragging the trouble vehicle.
The utility model discloses further set up as, emergent oil transportation device is the hand pump, and the output of hand pump is linked together through pipeline and tee bend ball valve, and the input of hand pump is linked together through pipeline and oil tank.
Through adopting above-mentioned technical scheme, the setting of manual pump can realize manually with the oil pump in the oil tank in the wet brake to remove wet brake's braking effect, thereby provide convenience for dragging the trouble vehicle.
The utility model discloses further set up as, the output of brake pump has the oil charge filter through the pipeline intercommunication, and the output and the wet brake of oil charge filter are linked together through the pipeline.
By adopting the technical scheme, the engine of the tunnel car drives the brake pump to operate, so that oil is supplied to the oil circuit system through the brake pump, and hydraulic oil pumped out of the oil tank by the brake pump can be filtered by the oil filling filter and then enters a subsequent oil circuit, so that the oil circuit pipeline is prevented from being blocked by impurities mixed with oil in the hydraulic oil.
The utility model discloses further set up as, be connected with the energy storage ware on prefill valve and wet brake's the pipeline, the energy storage ware is linked together through pipeline and prefill valve, wet brake.
By adopting the technical scheme, the oil pressure in the braking system can be kept relatively stable by the arrangement of the energy accumulator, the hydraulic oil in the oil pipeline is prevented from being broken, and the normal work of the parts of each oil pipeline system communicated by the pipeline is prevented from being influenced.
The utility model discloses further set up as, be provided with parking brake control valve and brake control valve on the pipeline between energy storage ware and the wet brake, the input and the energy storage ware of parking brake control valve are linked together through the pipeline, and the output of parking brake control valve is connected through the pipeline with the input of brake control valve, and the output of brake control valve is connected through the pipeline with the wet brake accuse.
Through adopting above-mentioned technical scheme, brake control valve uses with parking brake control valve cooperation, can realize sending hydraulic oil to different oil circuits to realize the function of brake and parking.
The utility model discloses further set up as, the parking brake control valve is the tribit valve, and the parking brake control valve is connected with the oil return filter through the pipeline.
By adopting the technical scheme, when a vehicle needs to be parked when the vehicle stops, a driver pulls the hand brake to enable the parking brake control valve to be switched to the passage communicated with the oil return filter, so that hydraulic oil directly flows into the oil tank from the parking brake control valve, and the wet brake is not continuously supplied with high-pressure oil, so that the spring in the wet brake is reset, the wet brake is braked again, and the parking is realized.
The utility model discloses further set up as, the brake stopper control valve is the tribit valve, and the brake stopper control valve is connected with the oil return filter through the pipeline.
By adopting the technical scheme, when the vehicle needs to be braked in the advancing process, the brake pedal controls the brake to be switched to the passage communicated with the oil return filter, so that hydraulic oil directly flows into the oil tank from the brake control valve, and the wet brake is not continuously supplied with high-pressure oil, so that the spring in the wet brake is reset, and the wet brake is braked again, thereby realizing the function of braking.
To sum up, the utility model discloses following beneficial effect has:
1. when the underground tunnel vehicle fails and cannot be started, the communicated passage of the three-way ball valve can be manually switched, so that the emergency oil conveying device is communicated with the wet brake, and then oil in the oil tank is pumped out through the emergency oil conveying device and pumped into the wet brake, so that the braking effect of the wet brake is relieved, and convenience is provided for dragging a failed vehicle;
2. the arrangement of the oil return filter can filter the hydraulic oil in the oil return tank and filter solid impurities in the hydraulic oil, so that the normal work of a brake system is prevented from being influenced by the blockage of a hydraulic oil pipeline;
3. the energy accumulator is arranged, so that the oil pressure in the brake system can be kept relatively stable, the hydraulic oil in the oil pipeline is prevented from being broken, and the normal work of parts of each oil pipeline system communicated by the pipeline is prevented from being influenced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a brake pump; 2. an oil-filled filter; 3. a safety valve; 4. a liquid charging valve; 5. an accumulator; 6. a parking brake control valve; 7. a brake actuator control valve; 8. a three-way ball valve; 9. a manual pump; 10. an oil return filter; 11. an oil tank; 12. a heat sink.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An emergency device for an oil circuit system of a wet brake of a tunnel car, referring to fig. 1, comprises an oil tank 11, a brake pump 1, a liquid charging valve 4, an energy accumulator 5, a parking brake control valve 6, a brake control valve 7 and a wet brake which are connected through pipelines.
After the tunnel vehicle is started, the engine drives the brake pump 1 to output hydraulic oil, the hydraulic oil enters the liquid charging valve 4 through an oil path connected with a pipeline, the hydraulic oil flows to the energy accumulator 5 after passing through the liquid charging valve 4, the energy accumulator 5 sends the oil to the brake control valve 7 and the parking brake control valve 6, and therefore the wet brake is controlled by controlling the brake control valve 7 and the parking brake control valve 6, and the tunnel vehicle is further controlled.
Referring to fig. 1, an oil tank 11 is fixedly connected with a body of a tunnel car; the brake pump 1 is driven by an engine, the input end of the brake pump 1 is communicated with an oil tank 11 through a pipeline, the output end of the brake pump 1 is communicated with an oil filling filter 2 through a pipeline, the input end of the oil filling filter 2 is connected with the brake pump 1, the output end of the oil filling filter 2 is communicated with a liquid filling valve 4 through a pipeline, and a safety valve 3 is further connected on the pipeline between the oil filling filter 2 and the liquid filling valve 4.
After the underground tunnel vehicle is started, an engine of the underground tunnel vehicle drives the brake pump 1 to operate, so that oil is supplied to an oil circuit system through the brake pump 1, hydraulic oil pumped out from the oil tank 11 by the brake pump 1 is filtered by the oil filling filter 2 and then enters a subsequent oil circuit, the oil circuit pipeline is prevented from being blocked by oil-mixed impurities in the hydraulic oil, and the safety valve 3 is arranged, so that the working pressure of the brake pump 1 can be guaranteed not to exceed the safety value of the braking system of the underground tunnel vehicle.
Referring to fig. 1, the charge valve 4 includes four connection pipe ports which are a port P, a port 0, a port a, and a port T and are connectable to a pipeline, the port P of the charge valve 4 is communicated with the brake pump 1 through a pipeline, the port a of the charge valve 4 is communicated with the energy accumulator 5 through a pipeline, one end of the safety valve 3, which is not communicated with the filter, is communicated with the port T of the charge valve 4 through a pipeline, and a radiator 12 for radiating heat of oil in an oil path is connected to the port O of the charge valve 4.
The hydraulic oil filtered by the oil filling filter 2 enters the liquid filling valve 4 through a port P of the liquid filling valve 4, when the oil pressure of the hydraulic oil in the liquid filling valve 4 is lower than 6.9MP, the port P of the liquid filling valve 4 is communicated with a port A, the liquid filling valve 4 fills the hydraulic oil into the energy accumulator 5, and therefore the oil pressure in the oil way braking system is kept at a relatively stable value; when the pressure of the braking system is more than 10.3MPa, the liquid filling valve 4 is switched to communicate the port P with the port O, so that hydraulic oil flows to the radiator 12 through the port O to radiate heat for the brake, the oil temperature in the braking system is reduced, and the oil pressure in the braking system returns to a normal value.
Referring to fig. 1, a section of the accumulator 5 connected to the charge valve 4 is connected to the parking brake control valve 6; the parking brake control valve 6 is a three-position valve, the parking brake control valve 6 comprises three pipe connecting ports of a port P, a port T and a port A, the port P of the parking brake is connected with the energy accumulator 5 through a pipeline, the port T of the parking brake is communicated with the oil return filter 10, and the port A of the parking brake is connected with the brake.
Referring to fig. 1, the brake control valve 7 is also a three-position valve, the brake control valve 7 also includes three pipe connection ports, i.e., a port P, a port T and a port a, the port P of the brake control valve 7 is communicated with the port a of the parking brake control valve 6 through a pipeline, the port T of the brake control valve 7 is communicated with the oil return filter 10 through a pipeline, and the port a of the brake control valve 7 is connected with the wet brake through a pipeline.
When the oil pressure of the brake system is in the range of 6.9MPa to 10.3MPa, the oil output by the brake pump 1 flows into the wet brake through the port P and the port A of the parking brake control valve 6 and the port P and the port A of the brake in sequence, and a brake spring in the brake is opened, so that the brake is released; when the vehicle needs to be parked when the vehicle stops, a driver pulls the hand brake to enable the parking brake control valve 6 to be switched to a position where the port P is communicated with the port T, so that hydraulic oil directly flows back to the oil tank 11 from the port T of the parking brake control valve 6, and the wet brake is not continuously supplied with high-pressure oil, so that a spring in the wet brake is reset, the wet brake is braked again, and parking is achieved; when the vehicle needs to be braked in the process of running, the brake pedal controls the brake to switch the P port to be communicated with the A port, so that hydraulic oil directly flows back to the oil tank 11 from the T port of the brake control valve 7, and the wet brake is not continuously supplied with high-pressure oil, so that a spring in the wet brake is reset, the wet brake is braked again, and the function of braking is realized.
Referring to fig. 1, a three-way ball valve 8 for switching an oil path is further connected between an opening a of the brake control valve 7 and the wet brake, one passage of the three-way ball valve 8 communicates the brake control valve 7 with the wet brake, the other passage of the three-way ball valve 8 communicates the oil tank 11 with the wet brake, and a manual pump 9 for pumping oil in the oil tank 11 into the wet brake is further connected between the three-way ball valve 8 and the oil tank 11.
When the vehicle cannot be started, the oil tank 11 and the wet brake can be directly communicated with the oil tank 11 by rotating the three-way ball valve 8, at the moment, the handle of the manual pump 9 is shaken, hydraulic oil in the oil tank 11 can be pumped out and pumped into the wet brake, and when the pressure of the manual pump 9 reaches 6.9MPa, the wet brake can be opened, so that the manual brake release through the manual pump 9 is realized, and convenience is provided for dragging the failed tunnel vehicle.
The utility model discloses a use as follows:
when the tunnel vehicle is started, the engine drives the brake pump 1 to output hydraulic oil, the hydraulic oil enters the liquid charging valve 4 through an oil path connected with a pipeline, the hydraulic oil flows to the energy accumulator 5 after passing through the liquid charging valve 4, the oil enters the wet brake after passing through the parking brake control valve 6 and the brake control valve 7 under the action of the energy accumulator 5, and when the oil pressure reaches 6.9MPa, the oil output by the brake pump 1 sequentially flows into the wet brake after passing through the port P and the port A of the parking brake control valve 6 and the port P and the port A of the brake, and a brake spring in the brake is opened, so that the brake is released.
When the vehicle needs to be parked when the vehicle stops, a driver pulls the hand brake to enable the parking brake control valve 6 to be switched to a position where the port P is communicated with the port T, so that hydraulic oil directly flows back to the oil tank 11 from the port T of the parking brake control valve 6, and the wet brake is not continuously supplied with high-pressure oil, so that a spring in the wet brake is reset, the wet brake is braked again, and parking is achieved; when the vehicle needs to be braked in the process of running, the brake pedal controls the brake to switch the P port to be communicated with the A port, so that hydraulic oil directly flows back to the oil tank 11 from the T port of the brake control valve 7, and the wet brake is not continuously supplied with high-pressure oil, so that a spring in the wet brake is reset, the wet brake is braked again, and the function of braking is realized.
When the pressure of the braking system is more than 10.3MPa, the liquid filling valve 4 is switched to communicate the port P with the port O, so that hydraulic oil flows to the radiator 12 through the port O to radiate heat for the brake, the oil temperature in the braking system is reduced, and the oil pressure in the braking system returns to a normal value.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a gallery car wet brake oil piping system emergency device which characterized in that: the hydraulic brake system comprises an oil tank (11) used for storing hydraulic oil and supplying oil to a wet brake, a brake pump (1) driven by an engine of a tunnel vehicle is arranged between the oil tank (11) and the wet brake, the input end of the brake pump (1) is communicated with the oil tank (11) through a pipeline, the output end of the brake pump (1) is communicated with the wet brake through a pipeline, a three-way ball valve (8) is further connected to the pipeline between the brake pump (1) and the wet brake, and an emergency oil conveying device is connected to a port, which is not communicated with the brake pump (1) and the wet brake, of the three-way ball valve (8) through a.
2. The underground wagon wet brake oil circuit system emergency device of claim 1, wherein: the emergency oil transportation device is a manual pump (9), the output end of the manual pump (9) is communicated with the three-way ball valve (8) through a pipeline, and the input end of the manual pump (9) is communicated with the oil tank (11) through a pipeline.
3. The underground wagon wet brake oil circuit system emergency device of claim 1, wherein: the output end of the brake pump (1) is communicated with the oil-filled filter (2) through a pipeline, and the output end of the oil-filled filter (2) is communicated with the wet brake through a pipeline.
4. The underground wagon wet brake oil circuit system emergency device of claim 1, wherein: the brake pump (1) and the wet brake are connected with an energy accumulator (5) through pipelines, and the energy accumulator (5) is communicated with the liquid charging valve (4) and the wet brake through pipelines.
5. The underground wagon wet brake oil circuit system emergency device of claim 4, wherein: the parking brake control system is characterized in that a parking brake control valve (6) and a brake control valve (7) are arranged on a pipeline between the energy accumulator (5) and the wet brake, the input end of the parking brake control valve (6) is communicated with the energy accumulator (5) through a pipeline, the output end of the parking brake control valve (6) is connected with the input end of the brake control valve (7) through a pipeline, and the output end of the brake control valve (7) is connected with the wet brake through a pipeline.
6. The underground wagon wet brake oil circuit system emergency device of claim 5, wherein: the parking brake control valve (6) is a three-position valve, and the parking brake control valve (6) is connected with the oil return filter (10) through a pipeline.
7. The underground wagon wet brake oil circuit system emergency device of claim 5, wherein: the brake control valve (7) is a three-position valve, and the brake control valve (7) is connected with the oil return filter (10) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096008.XU CN212839073U (en) | 2020-06-13 | 2020-06-13 | Emergency device for oil circuit system of wet brake of underground tunnel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096008.XU CN212839073U (en) | 2020-06-13 | 2020-06-13 | Emergency device for oil circuit system of wet brake of underground tunnel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839073U true CN212839073U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021096008.XU Active CN212839073U (en) | 2020-06-13 | 2020-06-13 | Emergency device for oil circuit system of wet brake of underground tunnel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839073U (en) |
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2020
- 2020-06-13 CN CN202021096008.XU patent/CN212839073U/en active Active
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