CN213455936U - Special tension sensor for oil field - Google Patents
Special tension sensor for oil field Download PDFInfo
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- CN213455936U CN213455936U CN202022440159.9U CN202022440159U CN213455936U CN 213455936 U CN213455936 U CN 213455936U CN 202022440159 U CN202022440159 U CN 202022440159U CN 213455936 U CN213455936 U CN 213455936U
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- decompression
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Abstract
The utility model provides a special tension sensor in oil field belongs to tension sensor technical field, including sensor body, installation component and decompression subassembly. The installation component includes protective housing and decompression post, the protective housing is fixed to connect in the sensor body, the decompression post sets up in the protective housing, the decompression component includes the pressure membrane, the pressure plate, the pressure head, the decompression head, movable plate and elastic component, the pressure membrane sets up in the decompression post, pressure plate sliding connection is in the decompression post, pressure head fixed connection keeps away from one side of pressure membrane in the pressure plate, decompression head fixed connection is in the movable plate, movable plate sliding connection is in the decompression post, one side that the decompression head was kept away from to elastic component one end fixed connection in the movable plate, the other end fixed connection of elastic component is in the one end that the pressure membrane was. The device is at tension sensor submergence oil well in-process, avoids causing inside components and parts to receive the influence and receive destruction because pressure under the oil well increases gradually.
Description
Technical Field
The utility model relates to a tension sensor technical field particularly, relates to a special tension sensor in oil field.
Background
The tension sensor is an instrument for measuring the tension value of the coiled material in the tension control process, the strain gauge type is that a tension strain gauge and a compression strain gauge are connected together in a bridge mode, the resistance value of the strain gauge is changed when external pressure is applied, and the change value is in direct proportion to the tension value.
In the oil development field, when transferring the instrument in the pit, all be furnished with underground tensiometer usually, because install tension sensor in the tensiometer, and then make tensiometer can reflect the hawser in real time in the pit and transfer tensile force or the compressive force of instrument, but tension sensor is at the dive in-process, the pressure under the oil well crescent, pressure to its outer wall production can make its inside components and parts receive the influence and receive destruction, and then can influence measurement accuracy, and then can make signal feedback the problem that the error appears.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides a special tension sensor in oil field aims at improving under the oil well tension sensor inside receives pressure and suffers the problem of damage.
The utility model discloses a realize like this: the utility model provides a special tension sensor in oil field, including sensor body, installation component and decompression subassembly.
The installation component comprises a protective shell and a pressure reducing column, the protective shell is fixedly sleeved on the sensor body, and the pressure reducing column is arranged on the protective shell.
The pressure reducing assembly comprises a pressure membrane, a pressure plate, a pressure head, a pressure reducing head, a movable plate and an elastic piece, wherein the pressure membrane is arranged on the pressure reducing column, the pressure plate is connected in the pressure reducing column in a sliding mode, the pressure head is fixedly connected to one side, away from the pressure membrane, of the pressure plate, the pressure reducing head is fixedly connected to the movable plate, the movable plate is connected in the pressure reducing column in a sliding mode, one end of the elastic piece is fixedly connected to one side, away from the pressure reducing head, of the movable plate, and the other end of the elastic piece is fixedly connected to one end, away from the pressure membrane, of the pressure.
In an embodiment of the present invention, the pressure chamber is opened inside the pressure reducing column, and the pressure membrane is disposed at one end inside the pressure chamber.
In an embodiment of the present invention, the pressure reducing column has a sliding groove, the movable plate is fixedly connected to a sliding block, and the sliding block can be accommodated in the sliding groove and can slide along the sliding groove.
In an embodiment of the present invention, the pressure reducing column is provided with a plurality of pressure reducing columns and is arranged along the circumferential direction of the protective shell.
In an embodiment of the present invention, a sealing pad is disposed in the protection shell, and the sealing pad is configured to be used for sealing and protecting the sensor body.
In an embodiment of the present invention, the elastic member may be any one of a coil spring, a gas spring, and a rubber spring.
In an embodiment of the present invention, the sealing gasket is a rubber sealing gasket.
In an embodiment of the present invention, the diameter of the moving plate is smaller than the diameter of the decompression column.
In an embodiment of the present invention, the pressure head can be abutted against the pressure reducing head.
In an embodiment of the present invention, the elastic member is provided with a plurality of elastic members and is fixedly connected between the movable plate and the pressure reducing column.
The utility model has the advantages that: the utility model discloses a special tension sensor in oil field that obtains through above-mentioned design, during the use, when the sensor body dives in the oil field well and measures, and then dive deeper, the pressure that the sensor body received is bigger, because the pressure that the outer wall of protective housing received is even, and then pressure passes through the pressure membrane, make the pressure plate receive the effect of pressure and pass inwards, and then the pressure head passes inwards along with the pressure plate, and then the pressure head is contradicted to the pressure reducing head, and then the pressure reducing head receives the promotion of pressure head, and then pass inwards too, and then the movable plate moves inwards, and then the elastic component receives the extrusion of movable plate and takes place deformation, and then make the elastic component subduct its pressure, and then played to protect the structure of sensor body inside not damaged by the pressure oversize;
the device can avoid tension sensor to receive the pressure under the oil well and cause its inside components and parts to receive the influence and receive the damage in the submergence in-process, and then avoids influencing measurement accuracy, and then can make signal feedback more accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an overall device provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure provided by an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram provided in an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;
fig. 5 is a schematic structural view of a pressure reducing assembly according to an embodiment of the present invention.
In the figure: 100-a sensor body; 200-a mounting assembly; 210-a protective shell; 211-a gasket; 220-a reduced pressure column; 221-a pressure chamber; 222-a chute; 300-a pressure relief assembly; 310-a pressure membrane; 320-a pressure plate; 330-a pressure head; 340-pressure reducing head; 350-moving a plate; 351-a slider; 360-elastic member.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a technical solution: a tension sensor special for an oil field comprises a sensor body 100, a mounting assembly 200 and a pressure reducing assembly 300.
Referring to fig. 1, the mounting assembly 200 is mounted on the sensor body 100, the pressure reducing assembly 300 is mounted on the mounting assembly 200, the sensor body 100 is mainly used for measuring in an oilfield well, the mounting assembly 200 is mainly used for protecting the sensor body 100, and the pressure reducing assembly 300 is mainly used for reducing the pressure of the sensor body 100 in the oilfield well and avoiding the damage of the internal part structure of the sensor body 100 caused by the excessive pressure.
Referring to fig. 2 and 4, the mounting assembly 200 includes a protective casing 210 and a pressure-reducing column 220, the protective casing 210 is fixedly secured to the sensor body 100, a sealing gasket 211 is disposed in the protective casing 210, the sealing gasket 211 is a rubber sealing gasket, and the sealing gasket 211 is configured to seal and protect the sensor body 100, so as to prevent impurities in oil from permeating into the sensor body 100 and causing poor use effect of the sensor body 100. The pressure reducing columns 220 are arranged on the protective shell 210, and the pressure reducing columns 220 are arranged in a plurality and are uniformly distributed along the circumferential direction of the protective shell 210, so that pressure reduction is performed to the greatest extent. The pressure reducing column 220 is provided with a sliding groove 222, the moving plate 350 is fixedly connected with a sliding block 351, the sliding block 351 can be accommodated in the sliding groove 222 and can slide along the sliding groove 222, the moving plate 350 can conveniently slide downwards under the action of pressure, and the elastic piece 360 can reduce the pressure to a great extent. The pressure chamber 221 is opened inside the pressure reducing column 220, and the pressure membrane 310 is disposed at one end inside the pressure chamber 221, and is used for reducing the pressure of the outer wall through the pressure chamber 221, so as to avoid the damage of the internal structure of the sensor body 100 caused by the excessive pressure.
Referring to fig. 3, 4 and 5, the pressure reducing assembly 300 includes a pressure film 310, a pressure plate 320, a pressure head 330, a pressure reducing head 340, a moving plate 350 and an elastic member 360, the pressure film 310 is disposed on the pressure reducing column 220, the pressure plate 320 is slidably connected in the pressure reducing column 220, the pressure head 330 is fixedly connected to a side of the pressure plate 320 away from the pressure film 310, the pressure reducing head 340 is fixedly connected to the moving plate 350, the pressure head 330 can abut against the pressure reducing head 340, the pressure reducing head 340 can be pushed downward by the pressure head 330, the moving plate 350 is slidably connected to the pressure reducing column 220, and the diameter of the moving plate 350 is smaller than that of the pressure reducing column 220, and can move in the pressure chamber 221 under. One end of the elastic piece 360 is fixedly connected to one side of the moving plate 350 far away from the pressure reducing head 340, the other end of the elastic piece 360 is fixedly connected to one end of the pressure reducing column 220 far away from the pressure membrane 310, the elastic piece 360 can be any one of a spiral spring, a gas spring and a rubber spring, a proper spring is selected for use according to actual conditions, the elastic piece 360 is provided with a plurality of springs and is fixedly connected between the moving plate 350 and the pressure reducing column 220, and the damage of the reducing pressure to the sensor body 100 is reduced to the maximum extent.
Specifically, the working principle of the tension sensor special for the oil field is as follows: during the use, when sensor body 100 dives in the oil field well and measures, and then dives deeper, the pressure that sensor body 100 received is bigger, because the pressure that the outer wall of protective housing 210 received is even, and then pressure passes through pressure membrane 310, make pressure plate 320 receive the effect of pressure and inwards pass, and then pressure head 330 is along with pressure plate 320 inwards pass, and then pressure head 330 conflicts decompression head 340, and then decompression head 340 receives the promotion of pressure head 330, and then inwards pass, and then moving plate 350 inwards moves, and then elastic component 360 receives the extrusion of moving plate 350 and takes place deformation, and then make elastic component 360 subduct its pressure, and then played and prevented protecting the structure of sensor body 100 inside by the pressure too big and damage.
It should be noted that the specific model specification of the sensor body 100 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the sensor body 100 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tension sensor special for oil field is characterized by comprising
A sensor body (100);
the mounting assembly (200) comprises a protective shell (210) and a pressure reducing column (220), the protective shell (210) is fixedly sleeved on the sensor body (100), and the pressure reducing column (220) is arranged on the protective shell (210);
a pressure relief assembly (300), said pressure relief assembly (300) comprising a pressure membrane (310), a pressure plate (320), a pressure head (330), a pressure relief head (340), a moving plate (350), and an elastic member (360), the pressure membrane (310) is arranged on the pressure reducing column (220), the pressure plate (320) is connected in the pressure reducing column (220) in a sliding way, the pressure head (330) is fixedly connected to the side of the pressure plate (320) remote from the pressure membrane (310), the pressure reducing head (340) is fixedly connected with the moving plate (350), the moving plate (350) is connected with the pressure reducing column (220) in a sliding way, one end of the elastic element (360) is fixedly connected with one side of the moving plate (350) far away from the pressure reducing head (340), the other end of the elastic piece (360) is fixedly connected to one end, away from the pressure membrane (310), of the pressure reducing column (220).
2. The oilfield specific tension sensor according to claim 1, wherein the decompression column (220) has a pressure chamber (221) formed therein, and the pressure membrane (310) is disposed at one end of the pressure chamber (221).
3. The oilfield specific tension sensor according to claim 1, wherein the decompression column (220) is provided with a sliding groove (222), the moving plate (350) is fixedly connected with a sliding block (351), and the sliding block (351) can be accommodated in the sliding groove (222) and can slide along the sliding groove (222).
4. The oilfield specific tension sensor of claim 1, wherein the pressure reducing columns (220) are provided in plurality and evenly distributed along a circumference of the protective hull (210).
5. The oilfield specific tension sensor according to claim 1, wherein a sealing gasket (211) is disposed in the protective casing (210), the sealing gasket (211) being configured to seal and protect the sensor body (100).
6. The oilfield specific tension sensor of claim 1, wherein the resilient member (360) is any one of a coil spring, a gas spring, and a rubber spring.
7. The oilfield specific tension sensor according to claim 5, wherein the gasket (211) is a rubber gasket.
8. The oilfield specific tension sensor of claim 1, wherein the moving plate (350) has a diameter less than a diameter of the reduced pressure column (220).
9. The oilfield specific tension sensor of claim 1, wherein the pressure head (330) is capable of abutting the pressure reducing head (340).
10. The oilfield specific tension sensor of claim 1, wherein the resilient member (360) is provided in plurality and is fixedly connected between the moving plate (350) and the pressure reducing column (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022440159.9U CN213455936U (en) | 2020-10-28 | 2020-10-28 | Special tension sensor for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022440159.9U CN213455936U (en) | 2020-10-28 | 2020-10-28 | Special tension sensor for oil field |
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| Publication Number | Publication Date |
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| CN213455936U true CN213455936U (en) | 2021-06-15 |
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| CN202022440159.9U Active CN213455936U (en) | 2020-10-28 | 2020-10-28 | Special tension sensor for oil field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483929A (en) * | 2021-09-03 | 2021-10-08 | 南通恒荣罗茨鼓风机有限公司 | Tension sensor for machine manufacturing |
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2020
- 2020-10-28 CN CN202022440159.9U patent/CN213455936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483929A (en) * | 2021-09-03 | 2021-10-08 | 南通恒荣罗茨鼓风机有限公司 | Tension sensor for machine manufacturing |
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