CN205225130U - Beam -pumping unit load transducer uninstallation device and system - Google Patents
Beam -pumping unit load transducer uninstallation device and system Download PDFInfo
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- CN205225130U CN205225130U CN201521000413.6U CN201521000413U CN205225130U CN 205225130 U CN205225130 U CN 205225130U CN 201521000413 U CN201521000413 U CN 201521000413U CN 205225130 U CN205225130 U CN 205225130U
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- oil
- piston
- hydraulic jack
- pumping unit
- load sensor
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Abstract
The utility model discloses a beam -pumping unit load transducer uninstallation device and system belongs to oil gas exploitation field. The device includes: hydraulic cylinder, piston, first oil blanket and second oil blanket, this hydraulic cylinder one end opening, the other end is provided with the oil inlet that is used for inputing hydraulic oil, the inner wall of this hydraulic cylinder one end is provided with first annular groove, and this first oil blanket setting is in this first annular groove, the one end of this piston is provided with the second annular groove, and this second oil blanket cup joints on this second annular groove, this first oil blanket setting is passed in this hydraulic cylinder to the one end of cup jointing this piston of this second oil blanket, this piston can be in this hydraulic cylinder along this hydraulic cylinder's direction of height reciprocating motion. The utility model provides a beam -pumping unit load transducer uninstallation device simple structure, the complicated problem of operation when uninstalling the load transducer in the correlation technique has been solved in easily operation. The utility model is used for the uninstallation load transducer.
Description
Technical field
The utility model relates to oil-gas mining field, particularly a kind of load sensor for oil pumping unit discharge mechanism and system.
Background technology
Load transducer is arranged in oil pumper, for detecting the load of when sucker rod periodically moves up and down, different displacement place sucker rod bearing.Before pumping production, need to arrange load transducer in the polished rod eye of oil pumper, and determine whether this oil pumper can normally run according to the data that this load transducer gathers.When oil pumper actual motion, for avoiding causing damage to load transducer, need this load transducer to unload from polished rod eye.
In correlation technique, when unloading load transducer, need oil pumper to be parked in close to bottom dead centre (namely polished rod eye is from well head closest approach) position, and tight braking of stopping, then wear insulating glove and to operate a switch power-off; Then the good square clamp of card on wellhead packing box, then get off the brakes, wear insulating glove combined floodgate power transmission; Start oil pumper, fortune turns around and to shut down at lower dead point position, and tight brake of stopping, then wears insulating glove and to operate a switch power-off, finally unloads this load transducer.
But, the discharging method complicated operation of load transducer in correlation technique, and in operating process, polished rod eye likely can cause shock to load transducer, causes the damage of load transducer.
Utility model content
In order to solve the problem of correlation technique, the utility model provides a kind of load sensor for oil pumping unit discharge mechanism and system.Described technical scheme is as follows:
First aspect, provide a kind of load sensor for oil pumping unit discharge mechanism, described device comprises:
Hydraulic jack, piston, the first oil sealing and the second oil sealing;
Described hydraulic jack one end open, the other end is provided with the oil-in for input hydraulic pressure oil;
The inwall of described hydraulic jack one end is provided with first ring connected in star, and described first oil sealing is arranged in described first ring connected in star;
One end of described piston is provided with the second annular groove, and described second oil-sealing sleeve is connected on described second annular groove;
Be socketed with one end of the described piston of described second oil sealing, be arranged in described hydraulic jack through described first oil sealing, described piston can move back and forth along the short transverse of described hydraulic jack in described hydraulic jack.
Optionally, described device also comprises: gland, and described gland is arranged on the opening part of described hydraulic jack;
Described gland is provided with through hole, and one end of described piston is arranged in described hydraulic jack through described through hole.
Optionally, the central authorities of described gland are provided with described through hole.
Optionally, the other end of described piston is provided with column table top, and the diameter of described column table top is greater than the maximum gauge of described piston.
Optionally, the internal diameter of described first oil sealing is equal with the maximum gauge of described piston;
The external diameter of described second oil sealing is equal with the internal diameter of described hydraulic jack.
Optionally, described hydraulic jack is cylindric oil cylinder, and the external diameter of described hydraulic jack is 35 millimeters.
Optionally, the height of described piston is 55 millimeters.
Second aspect, provide a kind of load sensor for oil pumping unit uninstalling system, described system comprises:
Oil pump and at least two load sensor for oil pumping unit discharge mechanisms as described in relation to the first aspect;
Described oil pump is communicated with the oil-in of described at least two load sensor for oil pumping unit discharge mechanisms respectively by high-pressure hose.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
A kind of load sensor for oil pumping unit discharge mechanism that the utility model provides and system, this device comprises: hydraulic jack, piston, the first oil sealing and the second oil sealing; This hydraulic jack one end open, the other end is provided with the oil-in for input hydraulic pressure oil; The inwall of this hydraulic jack one end is provided with first ring connected in star, and this first oil sealing is arranged in this first ring connected in star; One end of this piston is provided with the second annular groove, and this second oil-sealing sleeve is connected on this second annular groove; One end of this piston is arranged in this hydraulic jack through this first oil sealing, and this piston can move back and forth along the short transverse of this hydraulic jack in this hydraulic jack.This load sensor for oil pumping unit discharge mechanism can be arranged on polished rod eye, when piston upwards in this device, can the side's of drive clamp together with polished rod on move, so that unload the load transducer be arranged on polished rod eye.This apparatus structure is simple, is easy to operation, and can not causes damage to load transducer.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of load sensor for oil pumping unit discharge mechanism that the utility model embodiment provides;
Fig. 2 is the structural representation of the another kind of load sensor for oil pumping unit discharge mechanism that the utility model embodiment provides;
Fig. 3 is the schematic diagram of a kind of load sensor for oil pumping unit uninstalling system that the utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of load sensor for oil pumping unit discharge mechanism that the utility model embodiment provides, and as shown in Figure 1, this device comprises: hydraulic jack 01, piston 02, first oil sealing 03 and the second oil sealing 04;
This hydraulic jack 01 one end a opening, other end b is provided with the oil-in 05 for input hydraulic pressure oil;
The inwall of this hydraulic jack 01 one end a is provided with first ring connected in star, and this first oil sealing 03 is arranged in this first ring connected in star;
One end c of this piston 02 is provided with the second annular groove, and this second oil sealing 04 is socketed on this second annular groove;
Be socketed with one end c of the piston 02 of this second oil sealing 04, be arranged in this hydraulic jack 01 through this first oil sealing 03, this piston 02 can move back and forth along the short transverse y of this hydraulic jack 01 in this hydraulic jack 01.
In sum, a kind of load sensor for oil pumping unit discharge mechanism that the utility model provides, can be arranged on polished rod eye, when moving upward under the driving of the piston in this device at hydraulic oil, can drive the square clamp above polished rod eye together with polished rod on move, so that unload the load transducer that is arranged on polished rod eye.The structure of this load sensor for oil pumping unit discharge mechanism is simple, is easy to operation, and can not causes damage to load transducer.
Fig. 2 is the structural representation of the another kind of load sensor for oil pumping unit discharge mechanism that the utility model embodiment provides, and as shown in Figure 2, this device also comprises: gland 06, and this gland 06 is arranged on the opening part of this hydraulic jack 01; The central authorities of this gland 06 are provided with through hole, and one end c of this piston 02 is arranged in this hydraulic jack 01 through this through hole.First oil sealing 03 of hydraulic jack 01 opening part can be fixed in this hydraulic jack 01 by this gland 06, ensure that sealing and the stability of whole device.
Optionally, as shown in Figure 2, the other end of this piston 02 is provided with column table top 021, and the diameter of this column table top 021 is greater than the maximum gauge of this piston 02.Because the area of this column table top is comparatively large, the contact area of this piston and jacking object can be increased, improve the jacking effect of this device.
Optionally, the internal diameter of this first oil sealing 03 is equal with the maximum gauge of this piston 02, and the external diameter of this second oil sealing 04 is equal with the internal diameter of this hydraulic jack 01, and the external diameter of this first oil sealing 03 is greater than the external diameter of this second oil sealing 04.In the utility model embodiment, the outer wall of this piston 02 is scraped, frictional force when can reduce reciprocating motion of the pistons and between this first oil sealing; And the inwall of this hydraulic jack 01 is scraped, when can reduce reciprocating motion of the pistons, the frictional force between this hydraulic jack and this second oil sealing.
Optionally, as shown in Figure 2, this hydraulic jack 01 is cylindric oil cylinder, the outside diameter d of this hydraulic jack 01 can be 35 millimeters, the height of this piston 02 can be 55 millimeters, this load sensor for oil pumping unit discharge mechanism in real work time, this piston 02 can be 10 millimeters to 15 millimeters relative to the lifting height of this hydraulic jack 01.
In sum, a kind of load sensor for oil pumping unit discharge mechanism that the utility model provides, can be arranged on polished rod eye, when moving upward under the driving of the piston in this device at hydraulic oil, can drive the square clamp above polished rod eye together with polished rod on move, so that unload the load transducer that is arranged on polished rod eye.The structure of this load sensor for oil pumping unit discharge mechanism is simple, is easy to operation, and can not causes damage to load transducer.
Fig. 3 is the schematic diagram of a kind of load sensor for oil pumping unit uninstalling system that the utility model embodiment provides, and as shown in Figure 3, this system comprises: oil pump 10 and at least two load sensor for oil pumping unit discharge mechanisms.Example, in the system as shown in fig. 3, this system comprises two load sensor for oil pumping unit discharge mechanisms 11 and 12.This oil pump 10 by high-pressure hose 101 respectively with these two load sensor for oil pumping unit discharge mechanisms 11 with 12 oil-in be communicated with.
As can be seen from Figure 3, polished rod eye 13 comprises upper and lower two parts 131 and 132, and this load transducer 16 is arranged in the groove of this polished rod eye 13 bottom 132.When using this load sensor for oil pumping unit uninstalling system unloading load transducer 16, two load sensor for oil pumping unit discharge mechanisms 11 and 12 can be placed on respectively the both sides of polished rod eye 13, then by pressing oil pump 10, the hydraulic oil in oil pump 10 is made to input in the oil cylinder of load transducer discharge mechanism 11 and 12 respectively through high-pressure hose 101, hydraulic oil extrudes piston in the oil cylinder of sealing, piston is moved up relative to hydraulic jack, and then by top 131 jack-up of polished rod eye 13, top 131 side of the drive clamp 14 of polished rod eye 13 together with polished rod 15 on move, the distance that piston moves is when 10 to 15mm, can unload in the groove of this polished rod eye 13 bottom 132 or change this load transducer 16.
In sum, a kind of load sensor for oil pumping unit uninstalling system that the utility model provides, this system comprises oil pump and at least two load sensor for oil pumping unit discharge mechanisms, this load sensor for oil pumping unit discharge mechanism can be arranged on polished rod eye, when moving upward under the driving of the piston in this device at hydraulic oil, can drive the square clamp above polished rod eye together with polished rod on move, so that unload the load transducer that is arranged on polished rod eye.The structure of this load sensor for oil pumping unit discharge mechanism is simple, is easy to operation, and can not causes damage to load transducer.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a load sensor for oil pumping unit discharge mechanism, is characterized in that, described device comprises: hydraulic jack, piston, the first oil sealing and the second oil sealing;
Described hydraulic jack one end open, the other end is provided with the oil-in for input hydraulic pressure oil;
The inwall of described hydraulic jack one end is provided with first ring connected in star, and described first oil sealing is arranged in described first ring connected in star;
One end of described piston is provided with the second annular groove, and described second oil-sealing sleeve is connected on described second annular groove;
Be socketed with one end of the described piston of described second oil sealing, be arranged in described hydraulic jack through described first oil sealing, described piston can move back and forth along the short transverse of described hydraulic jack in described hydraulic jack.
2. device according to claim 1, is characterized in that, described device also comprises: gland,
Described gland is arranged on the opening part of described hydraulic jack;
Described gland is provided with through hole, and one end of described piston is arranged in described hydraulic jack through described through hole.
3. device according to claim 2, is characterized in that,
The central authorities of described gland are provided with described through hole.
4. device according to claim 1, is characterized in that, the other end of described piston is provided with column table top, and the diameter of described column table top is greater than the maximum gauge of described piston.
5. device according to claim 1, is characterized in that,
The internal diameter of described first oil sealing is equal with the maximum gauge of described piston;
The external diameter of described second oil sealing is equal with the internal diameter of described hydraulic jack.
6., according to the arbitrary described device of claim 1 to 5, it is characterized in that,
Described hydraulic jack is cylindric oil cylinder, and the external diameter of described hydraulic jack is 35 millimeters.
7., according to the arbitrary described device of claim 1 to 5, it is characterized in that,
The height of described piston is 55 millimeters.
8. a load sensor for oil pumping unit uninstalling system, is characterized in that, described system comprises:
Oil pump and at least two as arbitrary in claim 1 to 7 as described in load sensor for oil pumping unit discharge mechanism;
Described oil pump is communicated with the oil-in of described at least two load sensor for oil pumping unit discharge mechanisms respectively by high-pressure hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000413.6U CN205225130U (en) | 2015-12-04 | 2015-12-04 | Beam -pumping unit load transducer uninstallation device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000413.6U CN205225130U (en) | 2015-12-04 | 2015-12-04 | Beam -pumping unit load transducer uninstallation device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225130U true CN205225130U (en) | 2016-05-11 |
Family
ID=55900204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521000413.6U Active CN205225130U (en) | 2015-12-04 | 2015-12-04 | Beam -pumping unit load transducer uninstallation device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225130U (en) |
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2015
- 2015-12-04 CN CN201521000413.6U patent/CN205225130U/en active Active
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| GR01 | Patent grant |