CN110745120B - Control system of hydraulic retarder for underground operation vehicle - Google Patents
Control system of hydraulic retarder for underground operation vehicle Download PDFInfo
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- CN110745120B CN110745120B CN201911265082.1A CN201911265082A CN110745120B CN 110745120 B CN110745120 B CN 110745120B CN 201911265082 A CN201911265082 A CN 201911265082A CN 110745120 B CN110745120 B CN 110745120B
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- hydraulic retarder
- pressure
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- compressed air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The invention relates to a control system of a hydraulic retarder for an underground operation vehicle, which comprises the hydraulic retarder, wherein the hydraulic retarder is respectively connected with a manual pressure regulating valve and a display module which are arranged in a cab, the manual pressure regulating valve is connected with compressed air and outputs pressure-regulating gas to the hydraulic retarder, the manual pressure regulating valve is provided with an exhaust port, and the display module is powered by a +24VDC power supply and is grounded. The control system is suitable for the underground vehicle with higher explosion-proof requirement, and the control system of the hydraulic retarder for the underground operation vehicle is designed by reducing or avoiding the use of electric parts.
Description
Technical Field
The invention relates to the technical field of hydraulic retarders, in particular to a control system of a hydraulic retarder for an underground operation vehicle.
Background
No prior art for using a hydrodynamic retarder in a downhole vehicle has been retrieved. The underground vehicle uses the hydraulic retarder, and the vehicle has higher explosion-proof requirement in view of its special service environment, so need reduce the use of electrical component.
Disclosure of Invention
The technical problem solved by the invention is to provide a control system of the hydraulic retarder for the underground operation vehicle, which is designed to meet the higher explosion-proof requirement of the underground vehicle and reduce or avoid the use of electric parts. Another object of the present invention is to provide a control system for a hydraulic retarder for a downhole operation vehicle, which can prevent damage to the retarder or vehicle components by immediately reducing the output air pressure when an over-temperature prompt occurs. The invention also aims to provide a control system of the hydraulic retarder for the underground operation vehicle, which cancels a circuit part, uses a plurality of pressure reducing valves with preset pressure, operates a manual pressure regulating valve to select and butt joint the pressure reducing valves with different pressures, and ensures that the operation is simpler, more convenient and faster.
The technical scheme of the invention is that the control system of the hydraulic retarder for the underground operation vehicle comprises the hydraulic retarder and is characterized in that the hydraulic retarder is respectively connected with a manual pressure regulating valve and a display module which are arranged in a cab, the manual pressure regulating valve is connected with compressed air and outputs gas for limiting air pressure to the hydraulic retarder, the manual pressure regulating valve is provided with an exhaust pipe, the display module is powered by a +24VDC power supply and is grounded, and the hydraulic retarder is respectively provided with a cooling water inlet pipe connector and a cooling water outlet pipe connector.
Preferably, the method comprises the following steps: and the hydraulic retarder is respectively connected to the display module through a water temperature sensor and an oil temperature sensor.
Preferably, the method comprises the following steps: the display module displays a temperature value, and sets an overtemperature prompt or an overtemperature buzzing prompt.
Preferably, the method comprises the following steps: the display module displays a pressure value or sets an overpressure prompt.
Preferably, the method comprises the following steps: and a pressure sensor or a pressure gauge is arranged at an output port of a manual pressure regulating valve of the hydraulic retarder.
Preferably, the method comprises the following steps: the manual pressure regulating valves are connected in parallel to form a plurality of groups, the output pressure of each group is 0 or set pressure, and the set pressures of different groups are different; and the plurality of groups of manual pressure regulating valves are respectively connected with compressed air and output gas for limiting air pressure and are simultaneously connected with the hydraulic retarder.
The hydraulic retarder is characterized in that the hydraulic retarder is sequentially connected with a manual direction control valve and a pressure reducing valve which are arranged in a cab, and the pressure reducing valve is connected with compressed air and outputs the compressed air after pressure reduction to the hydraulic retarder.
Preferably, the method comprises the following steps: the pressure reducing valve includes a plurality of groups connected in parallel with each other between the manual directional control valve and the compressed air.
Preferably, the method comprises the following steps: the pressure reducing valves in the groups are set to different pressure values respectively, and are sequentially connected to the manual direction control valves, and the manual direction control valves are operated to provide compressed air with different pressure values for the hydraulic retarder, so that the hydraulic retarder works and generates different braking torques.
Preferably, the method comprises the following steps: the manual direction control valve is provided with a plurality of air inlets which are respectively connected with the pressure reducing valves, an air outlet which is connected with the hydraulic retarder and an air outlet, the manual direction control valve is operated to enable the air outlet to be communicated with different air inlets, the hydraulic retarder obtains compressed air with different pressures, and the hydraulic retarder further generates different braking torques; when the air outlet is communicated with the air outlet, compressed air in the hydraulic retarder is discharged, and the hydraulic retarder stops working.
Compared with the prior art, the invention has the beneficial effects that:
the manual pressure regulating valve and the display module are mounted in the cab, and therefore operation and observation of a driver are facilitated.
The manual pressure regulating valve is provided with the highest output air pressure limitation, damage caused by overload of the hydraulic retarder is prevented, and the manual stepless or stepped air pressure regulation can be performed below the highest air pressure so as to control the torque of the hydraulic retarder.
And thirdly, when the overtemperature prompt appears, the driver immediately reduces the output air pressure, the hydraulic retarder or the vehicle part is prevented from being damaged, the display module can display a temperature value or only perform the overtemperature prompt according to the requirement of a customer, and the overtemperature buzzing prompt can be provided at the same time.
And fourthly, the display module can increase pressure display or an overpressure (overload prevention) prompt function according to the requirement of a client, and a pressure sensor is installed on the hydraulic retarder or a pressure sensor or a pressure gauge is installed at an output port of the regulating valve.
The number of the manual pressure regulating valves is increased, the operation is simpler and more convenient, and the air inlet and exhaust response speed of the hydraulic retarder is higher.
Drawings
FIG. 1 is a block diagram of a control system for a first embodiment of a hydraulic retarder for a downhole operations vehicle according to the present invention;
fig. 2 is a block diagram of a control system of a second embodiment of the hydraulic retarder for a downhole operation vehicle according to the invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
fig. 1 shows a first embodiment of the invention.
Referring to fig. 1, the control system of the hydraulic retarder for the underground operation vehicle comprises the hydraulic retarder, wherein the hydraulic retarder is respectively connected with a manual pressure regulating valve and a display module which are arranged in a cab, the manual pressure regulating valve is connected with compressed air and outputs air pressure limiting gas to the hydraulic retarder, the manual pressure regulating valve is provided with an exhaust pipe, the display module is powered by a +24VDC power supply and is grounded, and the hydraulic retarder is respectively provided with a cooling water inlet pipe connector and a cooling water outlet pipe connector.
In this embodiment, the hydraulic retarder is respectively connected to the display module through a water temperature sensor and an oil temperature sensor. The display module displays a temperature value, and sets an overtemperature prompt or an overtemperature buzzing prompt. The display module displays a pressure value or sets an overpressure prompt. And a pressure sensor or a pressure gauge is arranged at an output port of a manual pressure regulating valve of the hydraulic retarder.
Fig. 2 shows a second embodiment of the invention.
Referring to fig. 2, the control system of the hydraulic retarder for the underground operation vehicle comprises the hydraulic retarder, wherein the hydraulic retarder is sequentially connected with a manual direction control valve and a pressure reducing valve which are arranged in a cab, and the pressure reducing valve is connected with compressed air and outputs the compressed air after pressure reduction to the hydraulic retarder.
In this embodiment, the pressure reducing valve includes a plurality of groups connected in parallel with each other between the manual directional control valve and the compressed air.
In this embodiment, each pressure reducing valve in the plurality of groups is set to different pressure values respectively, and is sequentially connected to the manual directional control valve, and the manual directional control valve is operated to provide compressed air with different pressure values for the hydraulic retarder, so that the hydraulic retarder works and generates different braking torques.
In this embodiment, the manual directional control valve is provided with a plurality of air inlets respectively connected with the pressure reducing valves, an air outlet connected with the hydraulic retarder and an air outlet, the manual directional control valve is operated to communicate the air outlet with different air inlets, so that the hydraulic retarder obtains compressed air with different pressures, and the hydraulic retarder further generates different braking torques; when the air outlet is communicated with the air outlet, compressed air in the hydraulic retarder is discharged, and the hydraulic retarder stops working.
In this embodiment, when the hydraulic retarder works and the water temperature exceeds 95 ℃, the manual direction control valve is operated to communicate the air outlet with the air inlet connected with the low-gear pressure reducing valve, or even communicate with the air outlet, so as to reduce the braking torque of the hydraulic retarder, or even stop the hydraulic retarder.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (5)
1. A control system of a hydraulic retarder for an underground operation vehicle comprises the hydraulic retarder and is characterized in that the hydraulic retarder is respectively connected with a manual pressure regulating valve and a display module which are arranged in a cab, the manual pressure regulating valve is connected with compressed air and outputs pressure-regulating gas to the hydraulic retarder, the manual pressure regulating valve is provided with an exhaust port, and the display module is powered by a +24VDC power supply and is grounded; the manual pressure regulating valves are connected in parallel to form a plurality of groups, the output pressure of each group is 0 or set pressure, and the set pressures of different groups are different; and the plurality of groups of manual pressure regulating valves are respectively connected with compressed air and output gas with pressure of 0 or set pressure and are simultaneously connected with the hydraulic retarder.
2. The control system of the hydraulic retarder for the downhole operation vehicle according to claim 1, wherein the display module displays a temperature value, sets an over-temperature prompt or sets an over-temperature buzzer prompt.
3. The control system of the hydraulic retarder for the underground working vehicle according to claim 1, wherein a pressure sensor or a pressure gauge is installed at an output port of a manual pressure regulating valve of the hydraulic retarder; the display module displays a pressure value or sets an overpressure prompt.
4. A control system of a hydraulic retarder for an underground operation vehicle comprises the hydraulic retarder and is characterized in that the hydraulic retarder is sequentially connected with a manual direction control valve and a pressure reducing valve which are arranged in a cab, and the pressure reducing valve is connected with compressed air and outputs the compressed air after pressure reduction to the hydraulic retarder; the pressure reducing valve comprises a plurality of groups which are connected between the manual direction control valve and the compressed air in a parallel mode; and the pressure reducing valves in the groups are respectively set to different pressure values, are sequentially connected into the manual direction control valve, and operate the manual direction control valve to provide compressed air with different pressure values for the hydraulic retarder, so that the hydraulic retarder works and generates different braking torques.
5. The control system of the hydraulic retarder for the downhole operation vehicle as claimed in claim 4, wherein the manual direction control valve is provided with a plurality of air inlets respectively connected with the pressure reducing valves, an air outlet connected with the hydraulic retarder and an air outlet, the manual direction control valve is operated to communicate the air outlet with different air inlets, so that the hydraulic retarder obtains compressed air with different pressures, and the hydraulic retarder further generates different braking torques; when the air outlet is communicated with the air outlet, compressed air in the hydraulic retarder is discharged, and the hydraulic retarder stops working.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019108866325 | 2019-09-19 | ||
| CN201910886632.5A CN110576841A (en) | 2019-09-19 | 2019-09-19 | Control system of hydraulic retarder for underground operation vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110745120A CN110745120A (en) | 2020-02-04 |
| CN110745120B true CN110745120B (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910886632.5A Pending CN110576841A (en) | 2019-09-19 | 2019-09-19 | Control system of hydraulic retarder for underground operation vehicle |
| CN201911265082.1A Active CN110745120B (en) | 2019-09-19 | 2019-12-11 | Control system of hydraulic retarder for underground operation vehicle |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910886632.5A Pending CN110576841A (en) | 2019-09-19 | 2019-09-19 | Control system of hydraulic retarder for underground operation vehicle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19833891A1 (en) * | 1998-07-28 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Hydrodynamic retarder for motor vehicle has control system with regulating valve to deliver contents of pressurized accumulator to retarder, and which controls both emptying and replenishment of accumulator |
| CN105370768A (en) * | 2015-12-10 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Series hydrodynamic retarder |
| CN205113309U (en) * | 2015-11-30 | 2016-03-30 | 宁波华盛汽车部件有限公司 | Control system of proportional valve on hydraulic retarber |
| CN105736607A (en) * | 2016-04-06 | 2016-07-06 | 武汉理工大学 | Cooling device for transmission fluid of automotive hydraulic retarder |
| CN105905096A (en) * | 2016-06-13 | 2016-08-31 | 无锡市华通气动制造有限公司 | Gas combination control valve used for hydraulic retarder |
| CN211107371U (en) * | 2019-09-19 | 2020-07-28 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
-
2019
- 2019-09-19 CN CN201910886632.5A patent/CN110576841A/en active Pending
- 2019-12-11 CN CN201911265082.1A patent/CN110745120B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19833891A1 (en) * | 1998-07-28 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Hydrodynamic retarder for motor vehicle has control system with regulating valve to deliver contents of pressurized accumulator to retarder, and which controls both emptying and replenishment of accumulator |
| CN205113309U (en) * | 2015-11-30 | 2016-03-30 | 宁波华盛汽车部件有限公司 | Control system of proportional valve on hydraulic retarber |
| CN105370768A (en) * | 2015-12-10 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Series hydrodynamic retarder |
| CN105736607A (en) * | 2016-04-06 | 2016-07-06 | 武汉理工大学 | Cooling device for transmission fluid of automotive hydraulic retarder |
| CN105905096A (en) * | 2016-06-13 | 2016-08-31 | 无锡市华通气动制造有限公司 | Gas combination control valve used for hydraulic retarder |
| CN211107371U (en) * | 2019-09-19 | 2020-07-28 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110745120A (en) | 2020-02-04 |
| CN110576841A (en) | 2019-12-17 |
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