CN203548158U - Gas-electric control device of drilling pump cooling system - Google Patents
Gas-electric control device of drilling pump cooling system Download PDFInfo
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- CN203548158U CN203548158U CN201320705048.3U CN201320705048U CN203548158U CN 203548158 U CN203548158 U CN 203548158U CN 201320705048 U CN201320705048 U CN 201320705048U CN 203548158 U CN203548158 U CN 203548158U
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- drilling pump
- contactor
- cooling
- electric
- drilling
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Abstract
The utility model discloses a gas-electric control device of a drilling pump cooling system. A function selective switch is arranged in a gas control position, an alternating-current contactor performs suction, a drilling pump cooling device starts to operate, and meanwhile an electronic control gas switch is electrified, a drilling pump clutch works, and an operation indicating lamp is turned on. A driller stops a drilling pump, a time-delay relay is switched off in a time delay mode according to the set time, the cooling device shuts down in a time delay mode, and cooling and lubricating in inertial operation of the drilling pump are ensured after the pump is stopped. When the function selective switch is arranged in a manual position, the cooling device is directly started and keeps operating all the time, and the driller can start and stop the drilling pump at will. When the function selective switch is arranged in a stopping position, the cooling device is in a shutdown state, the drilling pump is controlled to be in a shutdown state in an interlocking mode, and therefore non-cooling operation is avoided. The gas-electric control device of the drilling pump cooling system has the advantages that due to gas-electric interlocking and overload protection of starting of the drilling pump and starting and opening of a cooling water pump, the drilling pump cannot be started when the cooling water pump is not started, when the drilling pump is stopped, the cooling water pump is stopped in a time delay mode, and cooling of the drilling pump is effectively ensured.
Description
Technical field
The utility model relates to a kind of Pneumatic and electric controller; Particularly relate to a kind of drilling pump cooling system Pneumatic and electric controller.
Background technique
In oil-well drilling equipment, drilling pump is the nucleus equipment of the circulatory system, generally adopts pneumatic clutch to drive, and during its routine use is safeguarded, fluid end cylinder sleeve piston is high pressure relative movement, and frictional heating is serious, and Cooling and Lubricator performance and promptness are extremely important.
For this situation, drilling pump has been equipped with water pump spray equipment, adopts drive shaft cartridge belt pulley to drive, advantage is can be with pump start and stop, and shortcoming is that revolution speed is relied on greatly, unlubricated and cooling after turn on pump moment and termination of pumping, cooling water inflow and underpressure during pump low speed, cause cylinder sleeve Remedy for Piston Damage very fast.In addition, some drilling pumps have used motor to drive cooling waterpump, though guaranteed that the cooling revolution speed that is not subject to of cylinder sleeve piston affects, but its control system adopts nearby directly manually start and stop, pump motor can not be with drilling pump start and stop, and inconvenience is used in operation, forget startup cooling system when avoiding turn on pump, general motor and water pump, in long-term operating condition, cause energy consumption waste, motor and cooling waterpump to damage, and shortcoming is obvious.
Summary of the invention
Technical problem to be solved in the utility model is that the drilling pump cooling system Pneumatic and electric controller of a kind of cooling waterpump motor start and stop convenience, chain control is provided.
The technological scheme that the utility model adopts is, a kind of drilling pump cooling system Pneumatic and electric controller, the casing of Pneumatic and electric controller is positive-pressure explosion-proof case, comprise, be arranged on the gas control electric switch in explosion-proof tank, automatically controlled air cock, time delay relay, tutorial light, functional select switch, A.C. contactor and heat protector; Described functional select switch is alternatively set gas control position, is stopped and manual position, when described functional select switch is placed in gas control position, gas control electric switch is electrically connected to drilling pump cooling waterpump by time delay relay, A.C. contactor and heat protector, described A.C. contactor is also electrically connected to automatically controlled air cock, during described automatically controlled air cock work, the work of described drilling pump clutch is also lighted tutorial light; When described functional select switch is placed in manual position; described A.C. contactor directly electric work; by heat protector, control the running of drilling pump cooling waterpump; described A.C. contactor is also electrically connected to automatically controlled air cock; during described automatically controlled air cock work, the work of described drilling pump clutch is also lighted tutorial light.
Turnover gas pipeline interface, power supply line interface are also installed; Described turnover gas pipeline interface is controlled gas pipeline with drilling pump respectively and is connected with drilling pump Clutch Control pipeline, and described power supply line interface is connected with electric closet three-phase four-wire power in drilling pump cooling system and the cooling waterpump of drilling pump respectively.
Electric closet three-phase four-wire power in drilling pump cooling system is electrically connected to cooling waterpump by controlled contact and the heat protector of recloser, A.C. contactor, in three-phase four-wire power one is electrically connected to the zero line of three-phase four-wire power by ECU (Electrical Control Unit), described ECU (Electrical Control Unit), comprise functional select switch, gas control branch road, manual branch road, Clutch Control branch road and run indicator branch road; Functional select switch is alternatively set gas control position, is stopped and manual position, when described functional select switch is placed in gas control position, power supply is by after the gas control electric switch on-delay relay of gas control branch road, power supply is by the controlled contact of time delay relay and the manual branch road A.C. contactor of the controlled contacting of heat protector, A.C. contactor obtains after electric work, power supply, respectively by the controlled contact of A.C. contactor, is connected respectively automatically controlled air cock and the run indicator branch road of Clutch Control branch road; When described functional select switch is placed in manual position, described A.C. contactor directly electric work, the normally opened contact of described A.C. contactor switches on power respectively, power supply makes the running of drilling pump cooling waterpump by heat protector, power supply makes the running of drilling pump by automatically controlled air cock, and lights tutorial light; When described functional select switch is placed in stop position, cooling unit is in outage state.
The beneficial effects of the utility model are, drilling pump starts and the interlocking of cooling waterpump start and stop pneumoelectric and overload protection, and when cooling waterpump is not started, drilling pump cannot start, and when drilling pump stops, cooling waterpump time delay stops, effective guarantee drilling pump cooling.
Accompanying drawing explanation
Fig. 1 is the utility model drilling pump cooling system Pneumatic and electric controller skeleton diagram;
Fig. 2 is the utility model drilling pump cooling system Pneumatic and electric controller structural representation;
Fig. 3 is the utility model drilling pump cooling system Pneumatic and electric controller electrical schematic diagram.
In figure:
1. admission line interface 2. steam outlet pipe line interface 3. electric power incoming line interfaces
4. the automatically controlled air cock of power outlet interface 5. gas control electric switch 6.
7. time delay relay 8. tutorial light 9. functional select switches
10. A.C. contactor 11. heat protectors.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, the casing of Pneumatic and electric controller is positive-pressure explosion-proof case, comprises, is arranged on gas control electric switch 5, automatically controlled air cock 6, time delay relay 7, tutorial light 8, functional select switch 9, A.C. contactor 10 and heat protector 11 in explosion-proof tank; Described functional select switch 9 is alternatively set gas control position, is stopped and manual position, when described functional select switch 9 is placed in gas control position, gas control electric switch 5 is electrically connected to drilling pump cooling waterpump by time delay relay 7, A.C. contactor 10 and heat protector 11, described A.C. contactor 10 is also electrically connected to automatically controlled air cock 6, during described automatically controlled air cock 6 work, the work of described drilling pump clutch is also lighted tutorial light 8; When described functional select switch 9 is placed in manual position; described A.C. contactor 10 directly electric work; by heat protector 11, control the running of drilling pump cooling waterpump; described A.C. contactor 10 is also electrically connected to automatically controlled air cock 6; during described automatically controlled air cock 6 work, the work of described drilling pump clutch is also lighted tutorial light 8.
The working principle of the utility model drilling pump cooling system Pneumatic and electric controller is, when functional select switch 9 is placed in gas control position, by operation drilling pump start and stop gas control electric switch 5, to realize automatic start-stop drilling pump cooling waterpump.While selecting 9 to be placed in manual position function, realize direct start and stop drilling pump cooling waterpump.When functional select switch 9 is placed in resting position, drilling pump cooling system is in forced stoppage state.
Pneumatic and electric controller is also provided with turnover gas pipeline interface 1,2, power supply line interface 3,4; Described turnover gas pipeline interface 1,2 is controlled gas pipeline with drilling pump respectively and is connected with drilling pump Clutch Control pipeline, and described power supply line interface 3,4 is connected with electric closet three-phase four-wire power in drilling pump cooling system and the cooling waterpump of drilling pump respectively.
When functional select switch 9 is placed in " gas control " position, when driller closes valve opening drilling pump, gas control electric switch 5 detects after blast, subsidiary control loop power connection, A.C. contactor 10 adhesives, drilling well cooling waterpump starts operation, simultaneously, automatically controlled air cock 6 obtains electric connection gas circuit, the work of drilling pump clutch, and run indicator 8 is lit.When driller closes valve and stops drilling pump; drilling pump clutch loses qi exhaustion and opens; stop drilling pump; gas control electric switch 5 power-off of dying; bypass time delay relay 7 is pressed deenergization after set time time delay; realize the time delay of cooling waterpump and shut down, be used for guaranteeing to stop after drilling pump, the coasting of drilling pump is carried out to Cooling and Lubricator.When functional select switch 9 is placed in " manually " position, directly starts cooling waterpump and remain running, automatically controlled air cock 6 is connected gas circuit, and driller can arbitrarily open/stop drilling pump.When functional select switch 9 is placed in " pass " position, cooling waterpump is in outage state, and chain control drilling pump is in outage state, avoids turning round in the non-refrigerated situation of drilling pump.
The circuit structure of the utility model Pneumatic and electric controller is, electric closet three-phase four-wire power in borehole pump cooling device is electrically connected to cooling waterpump by controlled contact and the heat protector 11 of recloser, A.C. contactor 10, in three-phase four-wire power one is electrically connected to the zero line of three-phase four-wire power by ECU (Electrical Control Unit), described ECU (Electrical Control Unit), comprise functional select switch 9, gas control branch road, manual branch road, Clutch Control branch road and run indicator 8 branch roads; Functional select switch 9 is alternatively set gas control position, is stopped and manual position, when described functional select switch 9 is placed in gas control position, power supply is by after the gas control electric switch 5 on-delay relays 7 of gas control branch road, power supply is by the controlled contact of time delay relay 7 and the manual branch road A.C. contactor 10 of the controlled contacting of heat protector 11, after A.C. contactor 10 work, power supply is connected respectively respectively automatically controlled air cock 6 and run indicator 8 branch roads of Clutch Control branch road by the controlled contact of A.C. contactor 10; When described functional select switch 9 is placed in manual position, described A.C. contactor 10 directly electric work, the normally opened contact of described A.C. contactor 10 switches on power respectively, power supply makes the running of drilling pump cooling waterpump by heat protector 11, power supply makes the running of drilling pump by automatically controlled air cock 6, and lights tutorial light 8; When described functional select switch 9 is placed in stop position, cooling unit is in outage state, and chain control drilling pump is in outage state, avoids without cooling running.
Claims (3)
1. a drilling pump cooling system Pneumatic and electric controller, it is characterized in that, the casing of Pneumatic and electric controller is positive-pressure explosion-proof case, comprise, be arranged on the gas control electric switch (5) in explosion-proof tank, automatically controlled air cock (6), time delay relay (7), tutorial light (8), functional select switch (9), A.C. contactor (10) and heat protector (11); Described functional select switch (9) is alternatively set gas control position, is stopped and manual position, when described functional select switch (9) is placed in gas control position, gas control electric switch (5) is electrically connected to drilling pump cooling waterpump by time delay relay (7), A.C. contactor (10) and heat protector (11), described A.C. contactor (10) is also electrically connected to automatically controlled air cock (6), during described automatically controlled air cock (6) work, the work of described drilling pump clutch is also lighted tutorial light (8); When described functional select switch (9) is placed in manual position; described A.C. contactor (10) directly electric work; by heat protector (11), control the running of drilling pump cooling waterpump; described A.C. contactor (10) is also electrically connected to automatically controlled air cock (6); during described automatically controlled air cock (6) work, the work of described drilling pump clutch is also lighted tutorial light (8).
2. drilling pump cooling system Pneumatic and electric controller according to claim 1, is characterized in that, turnover gas pipeline interface (1,2), power supply line interface (3,4) are also installed; Described turnover gas pipeline interface (1,2) controlling gas pipeline with drilling pump is respectively connected with drilling pump Clutch Control pipeline, described power supply line interface (3,4) is connected with electric closet three-phase four-wire power in drilling pump cooling system and the cooling waterpump of drilling pump respectively.
3. realize the circuit structure of drilling pump cooling system Pneumatic and electric controller claimed in claim 1, it is characterized in that, electric closet three-phase four-wire power in drilling pump cooling system is electrically connected to cooling waterpump by controlled contact and the heat protector (11) of recloser, A.C. contactor (10), in three-phase four-wire power one is electrically connected to the zero line of three-phase four-wire power by ECU (Electrical Control Unit), described ECU (Electrical Control Unit), comprise functional select switch (9), gas control branch road, manual branch road, Clutch Control branch road and run indicator (8) branch road, functional select switch (9) is alternatively set gas control position, stop and manual position, when described functional select switch (9) is placed in gas control position, power supply is by after gas control electric switch (5) the on-delay relay (7) of gas control branch road, power supply is by the controlled contact of time delay relay (7) and the manual branch road A.C. contactor of controlled contacting (10) of heat protector (11), A.C. contactor (10) obtains after electric work, power supply is respectively by the controlled contact of A.C. contactor (10), connect respectively automatically controlled air cock (6) and run indicator (8) branch road of Clutch Control branch road, when described functional select switch (9) is placed in manual position, described A.C. contactor (10) directly electric work, the normally opened contact of described A.C. contactor (10) switches on power respectively, power supply makes the running of drilling pump cooling waterpump by heat protector (11), power supply makes the running of drilling pump by automatically controlled air cock (6), and lights tutorial light (8), when described functional select switch (9) is placed in stop position, cooling unit is in outage state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705048.3U CN203548158U (en) | 2013-11-08 | 2013-11-08 | Gas-electric control device of drilling pump cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705048.3U CN203548158U (en) | 2013-11-08 | 2013-11-08 | Gas-electric control device of drilling pump cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548158U true CN203548158U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705048.3U Expired - Fee Related CN203548158U (en) | 2013-11-08 | 2013-11-08 | Gas-electric control device of drilling pump cooling system |
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| CN (1) | CN203548158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564612A (en) * | 2014-07-21 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Automatic circulating cooling water control device for air compressor |
| CN110170130A (en) * | 2019-06-21 | 2019-08-27 | 徐工集团工程机械有限公司 | Fire fighting truck and cooling method is carried out to the power takeoff of fire fighting truck |
| CN113431766A (en) * | 2021-07-20 | 2021-09-24 | 苏州市东雄精密模具塑业有限公司 | Automatic switch control device for cooling water pump of injection molding machine |
-
2013
- 2013-11-08 CN CN201320705048.3U patent/CN203548158U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564612A (en) * | 2014-07-21 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Automatic circulating cooling water control device for air compressor |
| CN110170130A (en) * | 2019-06-21 | 2019-08-27 | 徐工集团工程机械有限公司 | Fire fighting truck and cooling method is carried out to the power takeoff of fire fighting truck |
| CN113431766A (en) * | 2021-07-20 | 2021-09-24 | 苏州市东雄精密模具塑业有限公司 | Automatic switch control device for cooling water pump of injection molding machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20161108 |