CN216433174U

CN216433174U - Special low frequency liquid level tester of oil well

Info

Publication number: CN216433174U
Application number: CN202121562240.2U
Authority: CN
Inventors: 刘强; 曲鑫; 侯庆磊
Original assignee: Dongying Zhongtuo Electronic Information Technology Co ltd
Current assignee: Dongying Zhongtuo Electronic Information Technology Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2022-05-03
Anticipated expiration: 2031-07-10

Abstract

The utility model discloses a special low-frequency liquid level tester for an oil well, which comprises a pipeline, wherein a first lantern ring is fixed on the pipeline, a sealing gasket is abutted on the first lantern ring, a cover plate is fixed on the sealing gasket, and the cover plate is detachably connected with the first lantern ring. The low-frequency sounding mechanism is adopted, the required low-frequency sound waves can be generated, and the collected sound waves can be recovered and processed through the echo collection module, so that the working fluid level depth of the oil well is obtained, the low-frequency wave transmission energy loss is small, the testing precision is high, meanwhile, the low-frequency sound wave sounding device can be conveniently and quickly disassembled and installed, can be well suitable for pipelines with different specifications, and improves the practicability of products.

Description

Special low frequency liquid level tester of oil well

Technical Field

The utility model relates to the technical field of sound wave detection, in particular to a low-frequency liquid level tester special for an oil well.

Background

The oil well liquid level tester adopts oil well casing gas or nitrogen gas as a sound source to test, eliminates sound bomb, is safe and reliable in test, saves cost, and can test indicator diagram, casing pressure and working fluid level of the pumping well.

The existing market adopts the high-frequency sound wave to carry out level measurement mostly, but increases high-frequency level measurement energy loss when using big, and the measuring accuracy is low, and this kind of tester that has now simultaneously generally all can dismantle and be connected with the connecting piece, through changing the different pipelines of convenient adaptation of connecting piece, need continuous change different connecting pieces when using, its accessory demand is great then, and the input cost is high, inconvenient use, so need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the high-frequency liquid level measurement in the prior art has large energy loss and low measurement precision, and simultaneously has more required accessories and is inconvenient to install and fix quickly, and provides the low-frequency liquid level tester special for the oil well.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a low-frequency liquid level tester special for an oil well comprises a pipeline, wherein a first sleeve ring is fixed on the pipeline, a sealing gasket is abutted on the first sleeve ring, a cover plate is fixed on the sealing gasket, and the cover plate is detachably connected with the first sleeve ring; run through on the apron and be equipped with low frequency sounder, echo collection module is installed to the lower extreme of low frequency sounder, valve seat is installed to the upper end of low frequency sounder, be equipped with the valve opening in the valve seat, valve opening and low frequency sounder are connected, the valve has slided in the valve opening and has cup jointed the valve, install the valve rod on the valve seat, valve rod and valve are connected, one side of echo collection module is connected with sound wave analysis processing module.

Preferably, a week lateral wall of apron is equidistant to be fixed with four mountings, be equipped with power unit on the mounting, the last pivot that is equipped with of power unit, sliding sleeve has the screw rod in the pivot, the lower extreme of screw rod is fixed with the sliding sleeve, be fixed with the limiting plate on the screw rod, the cover is equipped with first spring on the screw rod, the relative one side at limiting plate and pivot is fixed respectively at the both ends of first spring, sliding sleeve has the slide bar on the sliding sleeve, the other end rotation of slide bar is connected with the gyro wheel, the gyro wheel is inconsistent with first lantern ring and pipeline.

Preferably, power unit is including rotating the knob of connection on the mounting, be fixed with the second gear on the knob, fixed cover is equipped with first gear in the pivot, second gear and first gear mesh mutually, the a week lateral wall of apron rotates jointly and has cup jointed the ring gear, second gear and ring gear mesh mutually, the second gear is located between first gear and the ring gear.

Preferably, a second sleeve ring is fixed at the upper end of the rotating shaft, the screw rod is sleeved in the second sleeve ring in a sliding mode, a nut is screwed on the screw rod in a threaded mode, and the nut corresponds to the second sleeve ring. Preferably, one end cover of slide bar is equipped with the second spring, the both ends of second spring are fixed respectively in one side of sliding sleeve and slide bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. the valve can be moved through the valve rod, so that the valve hole is conveniently opened to facilitate gas flow, the low-frequency sounding mechanism can generate required low-frequency sound waves, and the low-frequency sound waves are reflected and then processed, so that the liquid level height is obtained, the energy loss in the low-frequency transmission process is small, and the testing precision is high;

2. the second gear can drive the first gear and the gear ring to operate under the action of the knob, so that the four rotating shafts can operate synchronously, the rotating shafts can drive the sliding rod to operate through the sliding sleeve, the roller can be conveniently abutted against the lower end of the first lantern ring and extend to the lower end of the first lantern ring, the roller can be abutted against the side wall of the pipeline, the cover plate and the first lantern ring can be preliminarily clamped, the leakage condition can be well avoided through the sealing gasket, the firmness of connection can be further improved through the rotating nut after clamping is completed, and the clamping effect is ensured;

in conclusion, the low-frequency sounding mechanism is adopted, the required low-frequency sound waves can be generated, the collected sound waves can be recovered and processed through the echo collection module, the working fluid level depth of the oil well is obtained, the low-frequency wave transmission energy loss is small, the testing precision is high, meanwhile, the low-frequency sound wave sounding device can be conveniently and quickly disassembled and installed, can be well suitable for pipelines with different specifications, and improves the practicability of products.

Drawings

FIG. 1 is a view of the connection structure of the present invention;

FIG. 2 is a schematic view of the structure at position A of the present invention; FIG. 3 is a schematic view of the low frequency liquid level tester of the present invention;

in the figure: the acoustic wave sensor comprises a valve rod 1, a valve seat 2, a valve 3, a low-frequency sounder 4, a cover plate 5, a sealing gasket 6, a first lantern ring 7, a roller 8, a pipeline 9, an echo collection module 10, a screw rod 11, a nut 12, a second lantern ring 13, a rotating shaft 14, a first spring 15, a sound wave analysis processing module 16, a limiting plate 17, a sliding rod 18, a second spring 19, a sliding sleeve 20, a first gear 21, a second gear 22, a knob 23, a gear ring 24, a fixing piece 25 and a valve hole 26.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the utility model. Referring to fig. 1-3, a special low frequency liquid level tester of oil well, including pipeline 9, be fixed with first lantern ring 7 on the pipeline 9, connect through welded fastening, guarantee the fastness of connecting, it has sealed 6 to fill the pad to contradict on the first lantern ring 7, be fixed with apron 5 on the sealed 6 that fills, apron 5 and first lantern ring 7 can be dismantled and connect, enable apron 5 to the direction removal of first lantern ring 7, the sealed 6 of extrusion that can be fine, it takes place to deform to enable sealed 6, fill the gap in it, guarantee sealed effect. Referring to fig. 1 and 3, a low frequency sound generator 4 is arranged on a cover plate 5 in a penetrating manner, an echo collection module 10 is arranged at the lower end of the low frequency sound generator 4, a valve seat 2 is arranged at the upper end of the low frequency sound generator 4, a valve hole 26 is arranged in the valve seat 2, the valve hole 26 is connected with the low frequency sound generator 4, a valve 3 is sleeved in the valve hole 26 in a sliding manner, a valve rod 1 is arranged on the valve seat 2, the valve rod 1 is connected with the valve 3, one side of the echo collection module 10 is connected with a sound wave analysis processing module 16, when the low frequency sound generator is used, a worker can drive the valve 3 to lift through the valve rod 1, the valve 3 can lift up and down well, so that gas enters the low frequency sound generator 4 through the echo collection module 10 and moves out through the valve seat 2, the gas can flow, the low frequency sound generator 4 can generate required low frequency sound waves, the low frequency sound waves 8-20Hz are collected by the echo collection module after being reflected by a liquid level at the bottom of a well and then are analyzed, thereby obtaining the working fluid level depth of the oil well. Referring to fig. 1 and 2, four fixing members 25 are fixed on the side wall of the cover plate 5 at equal intervals, and are fixedly connected by welding, a power mechanism is arranged on the fixing members 25, a rotating shaft 14 is arranged on the power mechanism, and the rotating shaft 14 can be well stably rotated by the power mechanism. Referring to fig. 1 and 2, the power mechanism includes a knob 23 rotatably connected to a fixing member 25, a second gear 22 is fixed on the knob 23, a first gear 21 is fixedly sleeved on the rotating shaft 14, the second gear 22 is engaged with the first gear 21, the worker can enable the knob 23 to drive the second gear 22 to rotate, the second gear 22 can enable the first gear 21 to drive the rotating shaft 14 to rotate, a gear ring 24 is sleeved on a circumferential side wall of the cover plate 5 in a rotating manner, the second gear 22 is engaged with the gear ring 24, the second gear 22 is located between the first gear 21 and the gear ring 24, the worker can enable one knob 23 to rotate, the gear ring 24 can be rotated through the second gear 22, so that other second gears 22 can rotate, the four first gears 21 can drive the four rotating shafts 14 to rotate conveniently, and the four rotating shafts 14 rotate synchronously. Referring to fig. 1 and 2, a screw 11 is slidably sleeved on a rotating shaft 14, the slidable sleeve indicates that the screw 11 can only move up and down in the rotating shaft 14, a sliding sleeve 20 is fixed at the lower end of the screw 11, a limiting plate 17 is fixed on the screw 11, a first spring 15 is sleeved on the screw 11, two ends of the first spring 15 are respectively fixed at one side of the limiting plate 17 opposite to the rotating shaft 14, a sliding rod 18 is slidably sleeved on the sliding sleeve 20, one end of the sliding rod 18 is sleeved with a second spring 19, two ends of the second spring 19 are respectively fixed at one side of the sliding sleeve 20 and one side of the sliding rod 18, the other end of the sliding rod 18 is rotatably connected with a roller 8, the roller 8 abuts against a first collar 7 and a pipeline 9, the rotation of the rotating shaft 14 can drive the screw 11 to rotate, the rotation of the screw 11 can drive the sliding sleeve 20 to drive the second spring 19 to rotate, the rotation of the sliding rod 18 can drive the roller 8 to abut against the lower end of the first collar 7, and the roller 8 can rotate to conveniently move to the lower end of the first collar 7, meanwhile, the roller 8 can always firmly abut against the lower end of the first collar 7 under the action of the first spring 15, and the slide rod 18 can be pushed to move under the action of the second spring 19, so that the roller 8 abuts against the pipeline 9 when the slide rod 18 moves, and the cover plate 5 is conveniently pushed to a central position. Referring to fig. 1 and 2, a second collar 13 is fixed at the upper end of a rotating shaft 14, a screw rod 11 is sleeved in the second collar 13 in a sliding manner, a nut 12 is screwed on the screw rod 11, the nut 12 corresponds to the second collar 13, after initial clamping, a worker can enable the nut 12 to descend on the screw rod 11, the nut 12 and the second collar 13 are enabled to be in contact with each other, the screw rod 11 is guaranteed to be incapable of descending at will, meanwhile, a roller 8 is also capable of ascending on the screw rod 11, and clamping firmness is guaranteed.

In the utility model, when in use, a worker presses down the cover plate 5, so that the echo collection module 10 and the low-frequency sounder 4 are inserted into the pipeline 9, the sealing gasket 6 is abutted against the first collar 7, at the moment, the worker can rotate any one knob 23, the knob 23 rotates to rotate the second gear 22, the second gear 22 rotates the gear ring 24, the other three second gears 22 can rotate to facilitate the synchronous rotation of the four first gears 21 and the rotation of the rotating shaft 14, the rotating shaft 14 rotates to drive the screw 11 to rotate, the screw 11 rotates to drive the sliding sleeve 20 to drive the second spring 19 to rotate, the sliding rod 18 rotates to enable the roller 8 to abut against the lower end of the first collar 7, the roller 8 can rotate to facilitate the roller 8 to move to the lower end of the first collar 7, and the roller 8 can always firmly abut against the lower end of the first collar 7 under the action of the first spring 15, and can promote slide bar 18 to remove under the effect of second spring 19, slide bar 18 removes and makes gyro wheel 8 and pipeline 9 inconsistent, be convenient for promote apron 5 to central point, the staff can rotate nut 12 and guarantee the fastness of connection after the regulation finishes, further promote the quality, the staff can make valve rod 1 rotate, thereby make valve 3 rise, be convenient for gas to flow from the valve opening 26, gas is through low frequency sound generator 4 during flow, low frequency sound generator 4 can produce required low frequency sound wave, low frequency sound wave 8-20Hz is collected by echo collection module after the liquid level reflection of shaft bottom and then is analyzed and processed, obtain the oil well working fluid level degree of depth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a special low frequency liquid level tester of oil well, includes pipeline (9), its characterized in that: a first lantern ring (7) is fixed on the pipeline (9), a sealing gasket (6) is abutted on the first lantern ring (7), a cover plate (5) is fixed on the sealing gasket (6), and the cover plate (5) is detachably connected with the first lantern ring (7);

run through on apron (5) and be equipped with low frequency vocal ware (4), echo collection module (10) are installed to the lower extreme of low frequency vocal ware (4), valve seat (2) are installed to the upper end of low frequency vocal ware (4), be equipped with valve opening (26) in valve seat (2), valve opening (26) and low frequency vocal ware (4) are connected, valve (3) have been cup jointed in valve opening (26) slides, install valve rod (1) on valve seat (2), valve rod (1) and valve (3) are connected, one side of echo collection module (10) is connected with sound wave analysis and processing module (16).

2. The low-frequency liquid level tester special for the oil well, as claimed in claim 1, is characterized in that: the equidistant four mounting (25) that are fixed with of a week lateral wall of apron (5), be equipped with power unit on mounting (25), be equipped with pivot (14) on the power unit, slide in pivot (14) and cup jointed screw rod (11), the lower extreme of screw rod (11) is fixed with sliding sleeve (20), be fixed with limiting plate (17) on screw rod (11), the cover is equipped with first spring (15) on screw rod (11), the relative one side at limiting plate (17) and pivot (14) is fixed respectively at the both ends of first spring (15), slide bar (18) have been cup jointed in the sliding sleeve (20), the other end rotation of slide bar (18) is connected with gyro wheel (8), gyro wheel (8) are inconsistent with first lantern ring (7) and pipeline (9).

3. The low-frequency liquid level tester special for the oil well as claimed in claim 2, wherein: power unit is including rotating knob (23) of connection on mounting (25), be fixed with second gear (22) on knob (23), fixed cover is equipped with first gear (21) on pivot (14), second gear (22) and first gear (21) mesh mutually, ring gear (24) have been cup jointed in the a week lateral wall common rotation of apron (5), second gear (22) and ring gear (24) mesh mutually, second gear (22) are located between first gear (21) and ring gear (24).

4. The low-frequency liquid level tester special for the oil well as claimed in claim 2, wherein: the upper end of the rotating shaft (14) is fixed with a second lantern ring (13), the screw rod (11) is sleeved in the second lantern ring (13) in a sliding mode, the screw rod (11) is screwed with a nut (12), and the nut (12) corresponds to the second lantern ring (13).

5. The low-frequency liquid level tester special for the oil well as claimed in claim 2, wherein: one end cover of slide bar (18) is equipped with second spring (19), the both ends of second spring (19) are fixed respectively in one side of sliding sleeve (20) and slide bar (18).