CN204785481U - Hydraulic pumping unit's condition monitoring system - Google Patents
Hydraulic pumping unit's condition monitoring system Download PDFInfo
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- CN204785481U CN204785481U CN201520502063.7U CN201520502063U CN204785481U CN 204785481 U CN204785481 U CN 204785481U CN 201520502063 U CN201520502063 U CN 201520502063U CN 204785481 U CN204785481 U CN 204785481U
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- pipeline
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Abstract
The utility model provides a hydraulic pumping unit's condition monitoring system, includes two hydraulically controlled check valves, two -position three way magenetic exchange valve, gas -liquid energy storage ware, check valve and electric contact pressure gauge. The utility model provides a hydraulic pumping unit's condition monitoring technique makes the beam -pumping unit at the operation in -process, when appearing overloading, carrying or can automatic perception and the waiting process of braking shut down immediately during other emergency absolutely to avoid taking place accidents such as broken rod or damage other part.
Description
Technical field
The utility model relates to oil drilling and extracting equipment technical field, is specifically related to a kind of condition monitoring system of hydraulic pumping unit.
Background technique
Pumping unit is a kind of oil production equipment extracting oil from hundreds of rice and even the dark oil well of upper km.When pumping unit runs, make sucker rod upper and lower vertical motion in oil well, sucker rod lower end is connected with oil well pump in shaft bottom, and crude oil is by from underground mining out.But the situation of down-hole varies at any time, therefore, pumping unit often can be encountered so-called overload, break and carry in oil pumping process, and namely maximum polished rod load exceedes permitted value, and rod broken, connector get loose or other emergencies.If there is this kind of fault, pumping unit can not cognitive and dock reason immediately, also continues operation and must cause the equipment accident such as bar or damage miscellaneous part of breaking because of " hard draw ".For making pumping unit normally run, improving oil recovery efficiency, proterctive equipment safety, reducing economic loss, must pumping unit be arranged and perception can be surpassed, disconnected carries fault and the device of brake application stoping immediately.
Model utility content
For solving the problems of the technologies described above; the utility model provides a kind of condition monitoring technology of hydraulic pumping unit; make pumping unit in running; when occur overload, disconnected carry or other urgencies time can automatic sensing brake application stoping etc. are pending immediately, to avoid disconnected bar occurring or damaging the accidents such as miscellaneous part.Its technological scheme is:
A kind of condition monitoring system of hydraulic pumping unit, comprise two Pilot operated check valves, two position, three-way electromagnetic change valve, gas-liquid accumulator, one-way valve and pressure gauge with electric contact, two Pilot operated check valves are arranged on the pipeline between two hydraulic fluid ports of pumping unit master hydraulic cylinder and master control selector valve two output oil ports respectively, the hydraulic control mouth of two Pilot operated check valves communicates with the output oil port C of two position, three-way electromagnetic change valve altogether, two position, three-way electromagnetic change valve is arranged on the pipeline between the hydraulic control mouth of Pilot operated check valve and one-way valve, gas-liquid accumulator is arranged on the pipeline between two position, three-way electromagnetic change valve and one-way valve output oil port, one-way valve is arranged on the pipeline between two position, three-way electromagnetic change valve input hydraulic fluid port P and system working connection, pressure gauge with electric contact is arranged on the pipeline between the input hydraulic fluid port of one-way valve and system working connection.
Two position, three-way electromagnetic change valve coil electricity, the work of right position, its delivery outlet C communicates with inlet opening P, and make the hydraulic control mouth of two Pilot operated check valves have pressure, forward and reverse flowing is not all obstructed, and pumping unit normally runs.When generation overload or disconnected carry a fault, namely when the pressure upper limit that sets higher or lower than pressure gauge with electric contact of system pressure or threshold pression value, contact K
gor K
dclosed pressure signal become electrical signal and delivers to electronic management system, namely electronic management system sends parking brake instruction, makes two position, three-way electromagnetic change valve coil losing electricity, and the work of left position, its delivery outlet C communicates with O mouth, and P mouth is shut.Now the hydraulic control mouth pressure of two Pilot operated check valves is zero, and oppositely can not flow, therefore oil hydraulic cylinder is lockable, and namely pumping unit is braked and acoustooptic alarm.The effect of one-way valve makes accumulator pressurize, and also namely P mouth pressure and system pressure fluctuate irrelevant.
Apparatus structure of the present utility model is simple, compact, brakes reliably sensitive.The upper and lower limit force value of pressure gauge with electric contact facilitates adjustable according to actual needs.In addition, also a Normally closed type switch can be set on the control circuit of selector valve, for the use of manual emergency braking.
Accompanying drawing explanation
Fig. 1 is structure of the present utility model composition schematic diagram;
Wherein, 1-composite hydraulic cylinder, 2-Pilot operated check valve, 3-two position, three-way electromagnetic change valve, 4-gas-liquid accumulator, 5-one-way valve, 6-pressure gauge with electric contact.
Embodiment
As shown in Figure 1, a kind of condition monitoring system of hydraulic pumping unit, comprise two Pilot operated check valves (2), two position, three-way electromagnetic change valve (3), gas-liquid accumulator (4), one-way valve (5) and pressure gauge with electric contact (6), two Pilot operated check valves (2) are arranged on the pipeline between two hydraulic fluid ports of pumping unit master hydraulic cylinder (1) and master control selector valve two output oil ports respectively, the hydraulic control mouth of two Pilot operated check valves (2) communicates with the output oil port C of two position, three-way electromagnetic change valve (3) altogether, two position, three-way electromagnetic change valve (3) is arranged on the pipeline between the hydraulic control mouth of Pilot operated check valve (2) and one-way valve (5), gas-liquid accumulator (4) is arranged on the pipeline between two position, three-way electromagnetic change valve (3) and one-way valve (5) output oil port, one-way valve (5) is arranged on the pipeline between two position, three-way electromagnetic change valve (3) input hydraulic fluid port P and system working connection, pressure gauge with electric contact (6) is arranged on the pipeline between the input hydraulic fluid port of one-way valve (5) and system working connection.
Claims (1)
1. the condition monitoring system of a hydraulic pumping unit, it is characterized in that: comprise two Pilot operated check valves (2), two position, three-way electromagnetic change valve (3), gas-liquid accumulator (4), one-way valve (5) and pressure gauge with electric contact (6), two Pilot operated check valves (2) are arranged on the pipeline between two hydraulic fluid ports of pumping unit master hydraulic cylinder (1) and master control selector valve two output oil ports respectively, the hydraulic control mouth of two Pilot operated check valves (2) communicates with the output oil port C of two position, three-way electromagnetic change valve (3) altogether, two position, three-way electromagnetic change valve (3) is arranged on the pipeline between the hydraulic control mouth of Pilot operated check valve (2) and one-way valve (5), gas-liquid accumulator (4) is arranged on the pipeline between two position, three-way electromagnetic change valve (3) and one-way valve (5) output oil port, one-way valve (5) is arranged on the pipeline between two position, three-way electromagnetic change valve (3) input hydraulic fluid port P and system working connection, pressure gauge with electric contact (6) is arranged on the pipeline between the input hydraulic fluid port of one-way valve (5) and system working connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520502063.7U CN204785481U (en) | 2015-07-13 | 2015-07-13 | Hydraulic pumping unit's condition monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520502063.7U CN204785481U (en) | 2015-07-13 | 2015-07-13 | Hydraulic pumping unit's condition monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785481U true CN204785481U (en) | 2015-11-18 |
Family
ID=54525530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520502063.7U Active CN204785481U (en) | 2015-07-13 | 2015-07-13 | Hydraulic pumping unit's condition monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382624A (en) * | 2015-12-21 | 2016-03-09 | 北京工研精机股份有限公司 | Double-hydraulic cylinder counterweight two-shaft electric turntable mechanism and method thereof for compensating overturning moment |
| CN108412847A (en) * | 2018-04-26 | 2018-08-17 | 福建工程学院 | A kind of electric hydrostatic actuator and control method of bringing onto load compensation high position accuracy |
-
2015
- 2015-07-13 CN CN201520502063.7U patent/CN204785481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382624A (en) * | 2015-12-21 | 2016-03-09 | 北京工研精机股份有限公司 | Double-hydraulic cylinder counterweight two-shaft electric turntable mechanism and method thereof for compensating overturning moment |
| CN108412847A (en) * | 2018-04-26 | 2018-08-17 | 福建工程学院 | A kind of electric hydrostatic actuator and control method of bringing onto load compensation high position accuracy |
| CN108412847B (en) * | 2018-04-26 | 2023-06-20 | 福建工程学院 | Electro-hydrostatic actuator with load compensation and high position precision and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaanxi Hualing New Material Technology Co., Ltd Assignor: YUNNAN SOUTHERN STAR TECHNOLOGY DEVELOPMENT Co.,Ltd. Contract record no.: X2020530000002 Denomination of utility model: Hydraulic pumping unit's condition monitoring system Granted publication date: 20151118 License type: Exclusive License Record date: 20200509 |
|
| EE01 | Entry into force of recordation of patent licensing contract |