CN1193104A - Self-jacking type sensor - Google Patents
Self-jacking type sensor Download PDFInfo
- Publication number
- CN1193104A CN1193104A CN98101315A CN98101315A CN1193104A CN 1193104 A CN1193104 A CN 1193104A CN 98101315 A CN98101315 A CN 98101315A CN 98101315 A CN98101315 A CN 98101315A CN 1193104 A CN1193104 A CN 1193104A
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- hydraulic
- rod eye
- sensor
- oil
- self
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Abstract
The present invention relates to a self-bucking sensor for measuring indicator diagram of oil-pumping unit. It is characterized by that it uses its self-carried manual plunger oil pump to inject the hydraulic power oil into two lifting jacks from hydraulic oil reservoir via hydraulic oil channel, then the pistons of both the jacks are lifted up to open upper and lower plates of the rope hanger to absorb induction and transfer all loads of rope hanger to mapping equipment. After the indicator diagram is plotted, the decompression valve is opened, all loads are removed, said sensor also can be freely removed from rope hanger.
Description
The present invention relates to a kind of self can backing down, oil pumper poliched rod eye upper lower burrs is born the merit figure testing sensor of induction poliched rod eye load variations.
Present used sensor, having two kinds when measurement of power figure can make sensor bear poliched rod eye load method, the one, two jackscrews are arranged between the poliched rod eye upper lower burrs, operating personnel reverse jackscrew, after backing down upper lower burrs and filling in sensor between the upper lower burrs, unload loose jackscrew, the load on the poliched rod eye has just all affacted on the sensor.Because oil pumper is for a long time at outside work, wind and weather jackscrew rust is dead, or because of the poliched rod eye overload, the frictional resistance of jackscrew button is big, backs down the upper lower burrs difficulty, thereby the method can't be used.The 2nd, the son of checking card on polished rod is laid down the load on the poliched rod eye, holds in the palm to go up dish sensor is filled between the upper lower burrs, puts down dish and allows and load on the poliched rod eye band, responds to power.Though method of testing can usefulness like this, because complex operation, operation is many, operating rate is slow, labour intensity is big, when unloading poliched rod eye and load, oil pumper and polished rod there are infringement, casualty accident takes place easily.
Task of the present invention provide a kind of simple in structure, cost is low, easy to operate, safe and reliable, without top jackscrew, the self-jacking type sensor that need not unload poliched rod eye load, can increase work efficiency.
Self-jacking type sensor of the present invention, be by the main body that has the hydraulic pressure oil duct with hydraulic reservoir, hand piston pump, two hydraulic jack, pressure telecommunications converter and blowdown valve connect constitute.In the time will testing pumping-unit workdone graphic, with two on the sensor short between the poliched rod eye upper lower burrs lifting jack in space, fill in the space between the poliched rod eye upper lower burrs, the piston lever of pulling ram pump then moves reciprocatingly piston, oil in the hydraulic reservoir is injected in the lifting jack, piston emersion in the lifting jack, back down the upper lower burrs of poliched rod eye, load on the poliched rod eye just acts on two jack pistons of sensor fully, lifting jack is risen by hydraulic oil pressure, therefore the size of the load that bears, the just size of the interior hydraulic fluid pressure of lifting jack on two jack pistons.By the hydraulic pressure oil duct size of pressure is passed to pressure telecommunications converter, become electric signal, pass to the load-position diagram surveying instrument, the payload of poliched rod eye is depicted as figure, be recorded on the paper by lead.After having surveyed merit figure, open blowdown valve, bleed off the hydraulic fluid pressure in the lifting jack, piston descends, and lays down load, can make sensor freely break away from poliched rod eye, thereby finishes whole operating process of a merit figure test.
Because this sensor has adopted manual plunger oil pump and two lifting jack to cooperate, back down the upper lower burrs of poliched rod eye and bear the load of responding on the outstanding rope.Therefore when measurement of power figure without top-hung rope jackscrew, need not unload the poliched rod eye load and sensor is born sense whole loads on the outstanding rope, thus easily, fast, conveniently, the safe test operation of finishing load-position diagram.
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1: the front elevation that is sensor of the present invention;
Fig. 2: the part cutaway view that is upward view shown in the figure one.
This sensor is manual plunger oil pump (8), hydraulic reservoir (2), blowdown valve (4), two hydraulic jack (5) (6), pressure telecommunications converter (7) to be connected, connect for main body (1) by having hydraulic pressure oil duct (3), making it them can interact, and realizes needed effect.
When wanting measuring indicator diagram, two hydraulic jack (5) (6) of sensor are filled in the middle space of poliched rod eye upper lower burrs, pull the lever (9) on the manual plunger oil pump (8), driving plunger (10) moves reciprocatingly, hydraulic oil in the fuel tank (2) is injected inner chamber (11) (12) lining of two lifting jack (5) (6) by hydraulic pressure oil duct (3), the pressure of the hydraulic oil in the inner chamber is constantly raise, extrude the upper lower burrs that piston (13) (14) backs down poliched rod eye, and bear whole loads on the poliched rod eye, because pressure telecommunications converter is to be connected with hydraulic pressure oil duct (3), therefore act on pressure that the outstanding rope load of piston (13) (14) becomes hydraulic oil and pass to pressure telecommunications converter (7) by the hydraulic pressure oil duct and become electric signal, pass to the load-position diagram surveying instrument by lead (15) and draw out complete load-position diagram.
After merit figure drew, the blowdown valve of opening on the sensor (4) was put back to the oil of lifting jack inner chamber (11) (12) lining in the hydraulic reservoir, and piston-retraction not at the load that has born on the outstanding rope, just can make sensor freely get from poliched rod eye.
Claims (3)
1. one kind self can be backed down oil pumper poliched rod eye upper lower burrs, bears the self-jacking type sensor of induction poliched rod eye load.This sensor is constituted manual plunger oil pump (8), hydraulic reservoir (2), blowdown valve (4), two hydraulic jack (5) (6), pressure telecommunications converter (7) connection, connection for main body (1) by having hydraulic pressure oil duct (3).It is characterized in that sensor bear induction poliched rod eye load be utilize self with manual plunger oil pump (1) hydraulic oil of liquid fuel tank (2) lining injected two lifting jack (5) (6) by oil duct (3) make piston (13) (14) back down the upper lower burrs of poliched rod eye, bear whole loads of responding to poliched rod eye.
2. sensor according to claim 1, the poliched rod eye that it is characterized in that bearing on the piston (13) (14) load is passed to pressure telecommunications converter (7) by hydraulic oil by hydraulic pressure oil duct (3).
3. sensor according to claim 1, it is characterized in that hydraulic reservoir (2) below have a blowdown valve (4) to be communicated with hydraulic pressure oil duct (3), the piston (13) (14) of rise is lowered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101315A CN1193104A (en) | 1998-04-06 | 1998-04-06 | Self-jacking type sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101315A CN1193104A (en) | 1998-04-06 | 1998-04-06 | Self-jacking type sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1193104A true CN1193104A (en) | 1998-09-16 |
Family
ID=5216607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98101315A Pending CN1193104A (en) | 1998-04-06 | 1998-04-06 | Self-jacking type sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1193104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412523C (en) * | 2006-06-19 | 2008-08-20 | 山东大学 | Hydraulic tension sensor for measuring loading of hoisting rope |
-
1998
- 1998-04-06 CN CN98101315A patent/CN1193104A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412523C (en) * | 2006-06-19 | 2008-08-20 | 山东大学 | Hydraulic tension sensor for measuring loading of hoisting rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |