CN201173099Y - Oil pumping machine unloading and calibration device - Google Patents
Oil pumping machine unloading and calibration device Download PDFInfo
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- CN201173099Y CN201173099Y CNU2008200797451U CN200820079745U CN201173099Y CN 201173099 Y CN201173099 Y CN 201173099Y CN U2008200797451 U CNU2008200797451 U CN U2008200797451U CN 200820079745 U CN200820079745 U CN 200820079745U CN 201173099 Y CN201173099 Y CN 201173099Y
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Abstract
The utility model relates to an oil pumping machine unloading and calibrating device, which is used in the oil pumping machine unloading and calibration during the oil field production. The oil pumping machine unloading and calibrating device is characterized in that a hydraulic mechanism is composed of 2 to 6 hydraulic cylinders fixed between a U-shaped bottom bracket and a U-shaped top bracket. A manual hydraulic pump and a pressure releasing valve are fixed on the U-shaped bottom bracket. A hydraulic oil storing cavity is arranged in the U-shaped bottom bracket, the hydraulic oil storing cavity is communicated with an oil inlet of the manual hydraulic pump. An oil draining opening of the manual hydraulic pump is communicated with the hydraulic cylinders, the pressure releasing valve is connected with the hydraulic oil storing cavity and the hydraulic cylinders, and the hydraulic cylinders jack the U-shaped top bracket upward. The oil pumping machine unloading and calibrating device has the advantage that non-impact unloading and on-line load calibrating can be accomplished at the suspension point of a rod pump oil pumping machine. The operation is simple, the damage of the machine, the rod and the pump caused by impact is reduced, and the unloading operation safety coefficient is enhanced. The on-line calibration of a load sensor is realized, and the dismounting work is avoided in the sensor calibration.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, particularly a kind of oil pumper unloading and caliberating device of being applied in the field produces.
Background technology
Pumping production is used in the oil field in a large number.Behind oil pumper work one-period, all need to be serviced, adjust parameter and workover treatment.The process of safeguarding, adjust parameter and workover treatment is: at first need several tons the load of weighing on the polished rod eye is laid down.Usually unloading is with the oil pumper back installation clip on polished rod that comes to a complete stop, and then in restarting the process of oil pumper, supports placing semi-ring type high about a 30cm on the oil well packing box.When clamp is shut down braking at once when operation downwards collides the support of semi-ring type once more.When this moment, the wire rope on the polished rod eye was loosening for to unload successfully.If operate unskilledly, in time not shut down braking and will miss unloading opportunity, said process need heavily come one time; If the brakes of oil pumper is damaged, then can't finish unloading operation as stated above.At present, this discharging method is very big to bar, the pump impact of oil pumper, as easy as rolling off a log damage oil production equipment, and also very high to the operating technology requirement of start-stop braking, be absolutely unsafe, industrial accident takes place often.
The utility model content
The purpose of this utility model is: a kind of oil pumper unloading and caliberating device are provided, can finish the suspension point unloading and the online load transducer of bar pump oil pumper and demarcate.This device can realize not having the unloading of impact, avoids impacting the damage that machine, bar, pump are caused, and improves safety factor, simplifies the operation course, and exempts the complex process that the dismounting sensor is tested, and increases work efficiency.
The technical solution adopted in the utility model is: oil pumper unloading and caliberating device, form by hydraulic mechanism and load cell and digital display meter, it is characterized in that: hydraulic mechanism comprises U-shaped collet, U-shaped jacking, is fixed with 2-6 hydraulic cylinder between U-shaped collet and U-shaped jacking.On the U-shaped collet, be fixed with hydraulic hand-pump and relief valve.The U-shaped collet is the structure of hollow, and the cavity of storage hydraulic oil is promptly arranged in the U-shaped collet.The cavity of storage hydraulic oil is communicated with the oil-in of hydraulic hand-pump, and the oil drain out of hydraulic hand-pump is communicated with hydraulic cylinder.Hydraulic hand-pump can make hydraulic cylinder raise.Relief valve connects the cavity and the hydraulic cylinder of storage hydraulic oil, after relief valve is opened, the high-pressure and hydraulic oil in the hydraulic cylinder is played back in the cavity of storage hydraulic oil, and hydraulic cylinder descends.When pumping the hydraulic hand-pump handle, hydraulic hand-pump provides power for hydraulic cylinder, and hydraulic cylinder upwards promotes the U-shaped jacking and rises.
The profile of described U-shaped collet and U-shaped jacking is a cuboid, and U-shaped collet and U-shaped jacking have opening, and sucker rod can pass in and out from opening part.
Deviate from the opening of U-shaped collet and U-shaped jacking in order to prevent sucker rod.Opening part at U-shaped collet and U-shaped jacking is fixed with safety locking pin.Safety locking pin is the board-like lock pin of rotation.Enter the opening of U-shaped collet and U-shaped jacking when sucker rod after, safety locking pin is locked, the opening of U-shaped collet and U-shaped jacking is closed.
For the pressure that can show that the U-shaped jacking bears, on the U-shaped jacking, be fixed with load cell and digital display meter.
Described load cell and digital display meter structure are: foil gauge sticks on the U-shaped jacking, and foil gauge is connected with digital display by lead.The pressure that the U-shaped jacking bears passes to foil gauge, and shows force value by digital display.
The beneficial effects of the utility model: oil pumper unloading and caliberating device can be finished the suspension point unloading of bar pump oil pumper, and demarcate at linear load.Utilized U-shaped collet, U-shaped jacking and hydraulic cylinder to realize that oil pumper does not have the purpose of impacting unloading.Oil pumper unloading and caliberating device have simple to operate, the damage of the machine that the minimizing impact causes, bar, pump, the characteristics of the safety factor of raising unloading operation.Realize the on-line proving of load transducer, exempted the dismantlement work of transducer calibration.
Description of drawings
Fig. 1 is unloading of the utility model oil pumper and caliberating device structural representation.
Fig. 2 is the vertical view of U-shaped collet or U-shaped jacking.The structure of the opening part of expression U-shaped collet and U-shaped jacking.
Among the figure, 1.U shape collet, 2. hydraulic hand-pump, 3. hydraulic cylinder, 4.U shape jacking, 5. safety locking pin, 6. load cell and digital display meter, 7. relief valve.
The specific embodiment:
Embodiment 1: oil pumper unloading and caliberating device with one 12 tonnage are example, and the utility model is described in further detail.
Consult Fig. 1.Oil pumper unloading and caliberating device are made up of hydraulic mechanism and load cell and digital display meter 6.Hydraulic mechanism has a U-shaped collet 1 and a U-shaped jacking 4.
Consult Fig. 2.The profile of U-shaped collet 1 and U-shaped jacking 4 is a cuboid, and the length of U-shaped collet 1 is 220 millimeters, and wide is 140 millimeters, and thickness is 40 millimeters.The length of U-shaped jacking 4 is 220 millimeters, and wide is 130 millimeters, and thickness is 40 millimeters.U-shaped collet 1 and U-shaped jacking 4 have an opening, and sucker rod can pass in and out from opening part.The bottom of opening is semicircle, and the bottom of opening is in the center of U-shaped collet 1 and U-shaped jacking 4.A/F is 50 millimeters.At the opening part of U-shaped collet 1 and U-shaped jacking 4, be fixed with a safety locking pin 5 respectively.Safety locking pin 5 is the board-like lock pins of rotation.Enter the opening of U-shaped collet 1 and U-shaped jacking 4 when sucker rod after, safety locking pin 5 is locked, the opening of U-shaped collet 1 and U-shaped jacking 4 can be closed.
Consult Fig. 1.Between U-shaped collet 1 and U-shaped jacking 4, be symmetrically fixed with two hydraulic cylinders 3.Hydraulic cylinder 3 is a piston structure, and the diameter of plunger is 40 millimeters.On U-shaped collet 1, be fixed with a hydraulic hand-pump 2 and a relief valve 7.U-shaped collet 1 is the structure of hollow, and the cavity of a storage hydraulic oil is promptly arranged in the U-shaped collet 1.The cavity of storage hydraulic oil is communicated with the oil-in of hydraulic hand-pump 2, can suck hydraulic oil in the hydraulic hand-pump 2.The oil drain out of hydraulic hand-pump 2 is communicated with hydraulic cylinder 3, can pump into the hydraulic oil after the supercharging two hydraulic cylinders 3, and two hydraulic cylinders 3 are raise.Relief valve 7 connects the cavity and the hydraulic cylinder 3 of storage hydraulic oil, after relief valve 7 is opened, the high-pressure and hydraulic oil in the hydraulic cylinder 3 is played back in the cavity of storage hydraulic oil, and hydraulic cylinder descends.When pumping hydraulic hand-pump 2 handles, hydraulic hand-pump 2 provides power for hydraulic cylinder 3, and hydraulic cylinder 3 upwards promotes U-shaped jacking 4 and rises.
Consult Fig. 1.On U-shaped jacking 4, be fixed with a load cell and digital display meter 6.Load cell and digital display meter 6 structures are: the pressure-strain sheet sticks on the U-shaped jacking 4, and the pressure-strain sheet is connected with digital display by lead.The pressure that U-shaped jacking 4 bears passes to the pressure-strain sheet, and shows force value by digital display.
Use operating process:
A, unloading operation:, with its braking, this device is placed on the oil pumper packing box after coming to a complete stop earlier with shutdown of pumping machine.The open inner ends of U-shaped collet 1 and U-shaped jacking 4 is near oil pumping polish rod, plug safety locking pin 5, installation clip on the sucker rod of this device top, sucker rod is tightened, press the handle of hydraulic hand-pump 2 this moment repeatedly, two hydraulic cylinders 3 just can realize not having the unloading of impact to the polished rod eye of oil pumper with U-shaped jacking 4, clamp and whole sucker rod, pump jack-up.Parameter and other operations just can have been adjusted in the unloading back, after operation finishes relief valve 7 are outwarded winding, and hydraulic cylinder 3 decline increments of load behind the increment of load take down clamp, open safety locking pin 5 and just can take off this device.
B; proving operation: for the rod-pumped well that load transducer has been installed; using method is earlier with shutdown of pumping machine; after coming to a complete stop with its braking; this device is placed on the oil pumper packing box; the open inner ends of U-shaped collet 1 and U-shaped jacking 4 is near polished rod; plug safety locking pin 5; this moment, the display reading should be 0; installation clip on the sucker rod of this device top; sucker rod is stuck, and press the handle of hydraulic hand-pump 3 this moment repeatedly, and two hydraulic cylinders 3 just can be with clamp and whole sucker rod; pump jack-up; read the numeral of display this moment; this numeral is exactly the current static load weight of oil pumper, because polished rod eye unloads, the sensor on the polished rod eye can carry out Zero calibration; after demarcation finishes relief valve 7 is outwarded winding; hydraulic cylinder 3 decline increments of load behind the increment of load take down clamp, open safety locking pin 5 and just can take off this device; demarcate simultaneously just now that the display reading is the static load numerical value of sensor, finished on-line proving this moment sensor.
Claims (6)
1, a kind of oil pumper unloading and caliberating device, mainly form by hydraulic mechanism and load cell and digital display meter (6), it is characterized in that: hydraulic mechanism comprises U-shaped collet (1), U-shaped jacking (4), between U-shaped collet (1) and U-shaped jacking (4), be fixed with 2-6 hydraulic cylinder (3), on U-shaped collet (1), be fixed with hydraulic hand-pump (2) and relief valve (7), U-shaped collet (1) is the structure of hollow, it is the cavity that storage hydraulic oil is arranged in the U-shaped collet (1), the cavity of storage hydraulic oil is communicated with the oil-in of hydraulic hand-pump (2), the oil drain out of hydraulic hand-pump (2) is communicated with hydraulic cylinder (3), relief valve (7) connects the cavity and the hydraulic cylinder (3) of storage hydraulic oil, after relief valve (7) is opened, high-pressure and hydraulic oil in the hydraulic cylinder (3) is played back in the cavity of storage hydraulic oil, hydraulic cylinder is descended, when the hydraulic hand-pump that pumps (2) handle, hydraulic hand-pump (2) provides power for hydraulic cylinder (3), and hydraulic cylinder (3) upwards promotes U-shaped jacking (4) and rises.
2, oil pumper unloading according to claim 1 and caliberating device, it is characterized in that: the profile of described U-shaped collet (1) and U-shaped jacking (4) is a cuboid, and U-shaped collet (1) and U-shaped jacking (4) have opening, and sucker rod can pass in and out from opening part.
3, oil pumper unloading according to claim 1 and caliberating device is characterized in that: be fixed with two hydraulic cylinders (3) between U-shaped collet (1) and the U-shaped jacking (4).
4, according to claim 1 or 2 or 3 described oil pumper unloading and caliberating devices, it is characterized in that: the opening part at U-shaped collet (1) and U-shaped jacking (4) is fixed with safety locking pin (5), and safety locking pin (5) is the board-like lock pin of rotation.
5, according to claim 1 or 2 or 3 described oil pumper unloading and caliberating devices, it is characterized in that: on U-shaped jacking (4), be fixed with load cell and digital display meter (6).
6, according to claim 1 or 2 or 3 described oil pumper unloading and caliberating devices, it is characterized in that: described load cell and digital display meter (6) structure is that foil gauge sticks on the U-shaped jacking (4), and foil gauge is connected with digital display by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200797451U CN201173099Y (en) | 2008-04-03 | 2008-04-03 | Oil pumping machine unloading and calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200797451U CN201173099Y (en) | 2008-04-03 | 2008-04-03 | Oil pumping machine unloading and calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173099Y true CN201173099Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200797451U Expired - Lifetime CN201173099Y (en) | 2008-04-03 | 2008-04-03 | Oil pumping machine unloading and calibration device |
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| CN (1) | CN201173099Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549324A (en) * | 2009-07-31 | 2012-07-04 | Bs&B安全系统有限公司 | Pressure relief device integrity sensor |
| CN103939039A (en) * | 2013-01-17 | 2014-07-23 | 李新华 | Load safety unloader of pumping unit |
| CN107575211A (en) * | 2017-09-11 | 2018-01-12 | 北京安控科技股份有限公司 | A kind of online calibration method of pump unit dynamometer |
| CN110374961A (en) * | 2019-07-01 | 2019-10-25 | 中国人民解放军国防科技大学 | Automatic calibration device and calibration method for hydraulic actuator of foot type robot |
| CN111691857A (en) * | 2020-06-10 | 2020-09-22 | 中国石油天然气股份有限公司 | Load safety unloading device of oil pumping unit |
-
2008
- 2008-04-03 CN CNU2008200797451U patent/CN201173099Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102549324A (en) * | 2009-07-31 | 2012-07-04 | Bs&B安全系统有限公司 | Pressure relief device integrity sensor |
| CN102549324B (en) * | 2009-07-31 | 2014-08-13 | Bs&B安全系统有限公司 | Pressure relief device integrity sensor |
| CN103939039A (en) * | 2013-01-17 | 2014-07-23 | 李新华 | Load safety unloader of pumping unit |
| CN107575211A (en) * | 2017-09-11 | 2018-01-12 | 北京安控科技股份有限公司 | A kind of online calibration method of pump unit dynamometer |
| CN107575211B (en) * | 2017-09-11 | 2020-05-05 | 北京安控科技股份有限公司 | Online calibration method of pumping unit indicator |
| CN110374961A (en) * | 2019-07-01 | 2019-10-25 | 中国人民解放军国防科技大学 | Automatic calibration device and calibration method for hydraulic actuator of foot type robot |
| CN111691857A (en) * | 2020-06-10 | 2020-09-22 | 中国石油天然气股份有限公司 | Load safety unloading device of oil pumping unit |
| CN111691857B (en) * | 2020-06-10 | 2022-07-08 | 中国石油天然气股份有限公司 | Load safety unloading device of oil pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081231 |
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| CX01 | Expiry of patent term |