CN201209527Y - High voltage system for high and low voltage thin oil station - Google Patents
High voltage system for high and low voltage thin oil station Download PDFInfo
- Publication number
- CN201209527Y CN201209527Y CNU2008200214903U CN200820021490U CN201209527Y CN 201209527 Y CN201209527 Y CN 201209527Y CN U2008200214903 U CNU2008200214903 U CN U2008200214903U CN 200820021490 U CN200820021490 U CN 200820021490U CN 201209527 Y CN201209527 Y CN 201209527Y
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- pump
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Abstract
The utility model provides a high pressure system of a high and low pressure thin oil station; the high pressure system comprises high pressure outlet pipes connected with two high pressure pumps, a main circuit, a control circuit and a high pressure standby pump M5 with a motor subsequently going through a breaker QF5, a contactor KM5 and a thermal relay FR5, and is connected with the main circuit; the high pressure outlet pipes are provided with pressure relays used to detect whether the hydraulic pressure in the pipes is normal; the normally closed contacts of each pressure relay are connected with time relays; the delay normally open contacts of the time relays are provided with intermediate relays; the normally open contacts of the intermediate relay are connected with high-voltage electromagnetic valves; the normally open contacts of the two intermediate relays are connected parallelly and then connected with the control circuit part of the thermal relay FR5; the normally open contacts of the two intermediate relays are connected serially and then connected with an intermediate relay KA10; the intermediate relay KA10 is connected with an indicator HL7. The high pressure system is provided with the high pressure standby pump, and can work normally when one high pressure pump fails to work.
Description
(1) technical field
The utility model relates to high low pressure oil station equipment technical field, particularly a kind of high low pressure Lubricating-oil Station high-pressure system.
(2) background technique
The high low pressure Lubricating-oil Station is mainly used in coal pulverizer bearing lubrication, according to the lubricated work principle design of dynamic and hydrostatic bearing.Be made up of two low pressure pumps and two high pressure pump systems, main frame provides lubricated by low pressure pump when normal operation, and high-pressure service pump is when only being used in host-initiated and stopping.Native system also is applicable in the sound bearing lubrication system in the equipment such as metallurgy, mine, cement machinery.The normal operation of assurance equipment increases the service life.
The high low pressure Lubricating-oil Station is floated system by low pressure lubricating system and high pressure and is formed, and low pressure lubricating system is made up of vertical gear pump-unit, fuel tank, one-way valve, safety valve, pressure gauge, duplex filter, pressure relay, cooler, solenoid valve, pressure reduction relay etc.High-pressure system mainly contains compositions such as high-pressure plunger pump-unit, high-pressure overflow valve, one-way valve, pressure gauge with electric contact, pipe-line system.
High low pressure Lubricating-oil Station high-pressure system comprises two high-pressure service pumps, and start and stop simultaneously do not have stand by pump, when a high-pressure service pump breaks down, and high-pressure system part cisco unity malfunction.
(3) summary of the invention
The technical problems to be solved in the utility model has provided a kind of high low pressure Lubricating-oil Station high-pressure system, and it is provided with the high pressure stand by pump, and when a high-pressure service pump broke down, the high-pressure system part still can proper functioning.
In order to solve the problems of the technologies described above, the utility model is realized by following measure: a kind of high low pressure Lubricating-oil Station high-pressure system, comprise the high-pressure outlet pipeline, main circuit and the control loop that are connected with two high-pressure service pumps, it is characterized in that: comprise that also its motor is connected to the high pressure stand by pump M5 of main circuit successively through circuit breaker Q F5, contactor KM5 and thermorelay FR5, all be connected with on the described high-pressure outlet pipeline and be used for whether normal pressure relay of signal piping hydraulic pressure; The normally closed point of described each pressure relay all is connected with the time relay, the time-delay of the described time relay all is connected with auxiliary reclay normal battle, the normally opened contact of auxiliary reclay all is connected with high-pressure solenoid valve, the normally opened contact of described two auxiliary reclays and connect the back partly be connected with the control circuit of thermorelay FR5, the normally opened contact serial connection back of described two auxiliary reclays is connected with auxiliary reclay KA10, and described auxiliary reclay KA10 is connected with tutorial light HL7.
Be connected with working station indicator HL6 on the high pressure stand by pump described in the utility model.
The beneficial effects of the utility model:
1. be provided with the high pressure stand by pump, when a high-pressure service pump broke down, high-pressure system part still can proper functioning;
2. simple in structure, manufacturing is put just, with low cost, suitable applying.
(4) description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a main circuit schematic representation of the present utility model;
Fig. 2 is a control loop schematic representation of the present utility model;
KT1, KT2 among the figure: the time relay, KM1, KM2, KM3, KM4, KM5: contactor, QF1, QF2, QF3, QF4, QF5: circuit breaker, FR1, FR2, FR3, FR4, FR5: thermorelay, M1, M2, M3, M4, M5: motor, KA8, KA9, KA10: auxiliary reclay, YV1, YV2: high-pressure solenoid valve, HL6, HL7: tutorial light, GSP1-2, GSP2-2: pressure relay.
(5) embodiment
A kind of high low pressure Lubricating-oil Station high-pressure system shown in Fig. 1 .2, comprise the high-pressure outlet pipeline, main circuit and the control loop that are connected with two high-pressure service pumps, comprise that also its motor M 5 is connected to the high pressure stand by pump of main circuit successively through circuit breaker Q F5, contactor KM5 and thermorelay FR5, all be connected with on the described high-pressure outlet pipeline and be used for whether normal pressure relay of signal piping hydraulic pressure; The normally closed point of described each pressure relay all is connected with the time relay, the time-delay of the described time relay all is connected with auxiliary reclay normal battle, the normally opened contact of auxiliary reclay all is connected with high-pressure solenoid valve, the normally opened contact of described two auxiliary reclays and connect the back partly be connected with the control circuit of thermorelay FR5, the normally opened contact serial connection back of described two auxiliary reclays is connected with auxiliary reclay KA10, and described auxiliary reclay KA10 is connected with tutorial light HL7.
Be connected with working station indicator HL6 on the described as shown in Figure 2 high pressure stand by pump.
The working principle that the high pressure stand by pump drops into:
Normal procedure is opened high-pressure service pump, KA3 often makes war (201,61) closure, time relay KT1 then, the KT2 closure, KT1, KT2 picks up counting, if the hydraulic pressure of high-pressure outlet pipeline is normal within 3 minutes, pressure relay GSP1-2 (61,65), GSP2-2 (61,69) normally closed point disconnects, time relay KT1, the KT2 dead electricity, high-pressure service pump turns round with normal procedure, if within 3 minutes the hydraulic pressure of high-pressure outlet pipeline have one undesired, then time relay KT1 time-delay is normal makes war (201,71) or the time-delay of KT2 often make war (201,73) closure, auxiliary reclay KA8 or KA9 get, KA8 normally opened contact (201,75) closure, KA9 normally opened contact (201,73) closure then contactor KM5 get, the high pressure stand by pump is opened, while KA8 normally opened contact (61,65) or KA9 normally opened contact (61,69) with the normally closed some GSP1-2 or the GAP2-2 short circuit of pressure relay, KA8 normally opened contact (201,75) or KA9 normally opened contact (201,79) closure, high-pressure solenoid valve YV1 or YV2 get.If the hydraulic pressure of high-pressure outlet pipeline is normally all undesired within 3 minutes, KA8 normally opened contact (201,85), KA9 normally opened contact (85,87) closure then auxiliary reclay KA10 get electric, HL7 is bright, send the high voltage fault signal, should stop the oil station this moment, the examination and repair for high-pressure pump.
Claims (2)
1. high low pressure Lubricating-oil Station high-pressure system, comprise the high-pressure outlet pipeline, main circuit and the control loop that are connected with two high-pressure service pumps, it is characterized in that: comprise that also its motor M 5 is connected to the high pressure stand by pump of main circuit successively through circuit breaker Q F5, contactor KM5 and thermorelay FR5, all be connected with on the described high-pressure outlet pipeline and be used for whether normal pressure relay of signal piping hydraulic pressure; The normally closed point of described each pressure relay all is connected with the time relay, the time-delay of the described time relay all is connected with auxiliary reclay normal battle, the normally opened contact of auxiliary reclay all is connected with high-pressure solenoid valve, the normally opened contact of described two auxiliary reclays and connect the back partly be connected with the control circuit of thermorelay FR5, the normally opened contact serial connection back of described two auxiliary reclays is connected with auxiliary reclay KA10, and described auxiliary reclay KA10 is connected with tutorial light HL7.
2. according to the described high low pressure Lubricating-oil Station of claim 1 high-pressure system, it is characterized in that: be connected with working station indicator HL6 on the described high pressure stand by pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200214903U CN201209527Y (en) | 2008-05-09 | 2008-05-09 | High voltage system for high and low voltage thin oil station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200214903U CN201209527Y (en) | 2008-05-09 | 2008-05-09 | High voltage system for high and low voltage thin oil station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209527Y true CN201209527Y (en) | 2009-03-18 |
Family
ID=40480260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200214903U Expired - Fee Related CN201209527Y (en) | 2008-05-09 | 2008-05-09 | High voltage system for high and low voltage thin oil station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209527Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132240A (en) * | 2014-07-22 | 2014-11-05 | 安徽正果电气技术有限公司 | Oil storage control monitoring system |
| CN109253379A (en) * | 2018-09-07 | 2019-01-22 | 四川川润液压润滑设备有限公司 | A kind of lubricating system and control method with Embedded Motion |
-
2008
- 2008-05-09 CN CNU2008200214903U patent/CN201209527Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132240A (en) * | 2014-07-22 | 2014-11-05 | 安徽正果电气技术有限公司 | Oil storage control monitoring system |
| CN104132240B (en) * | 2014-07-22 | 2016-06-15 | 安徽正果电气技术有限公司 | A kind of oil storage control and monitoring system |
| CN109253379A (en) * | 2018-09-07 | 2019-01-22 | 四川川润液压润滑设备有限公司 | A kind of lubricating system and control method with Embedded Motion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20100509 |