Hydraulic sensor for power tongs

Abstract

The utility model relates to the technical field of hydraulic sensors, and discloses a hydraulic sensor for power tongs, which comprises a hydraulic sensor body, a heat dissipation assembly is fixedly sleeved in the middle of the surface of the hydraulic sensor body, and one end of the hydraulic sensor body is fixedly connected with a digital display module. According to the hydraulic sensor for the power tongs, through the arrangement of the heat dissipation assembly, when the hydraulic sensor body works, the sensor can generate heat and transmit the heat to an external shell, heat conduction silica gel has good heat conductivity and can effectively transmit the heat to the heat dissipation fins, the heat dissipation fins can accelerate heat dissipation by increasing the surface area, and the heat dissipation efficiency is improved. Therefore, temperature accumulation in the hydraulic sensor body is reduced, sensor performance reduction or damage caused by excessive heat in the use process of the hydraulic sensor is avoided, the service life of the sensor is prolonged, and the reliability of data measurement of the hydraulic sensor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic sensor technical field especially relates to a hydraulic sensor for power tongs. BACKGROUND

[0002] The most heavy and arduous work of operating workers in the workover process is the thread of oil tube and drill pipe, which has been used with pipe wrench or chain wrench in the past, not only the labor intensity is big, and has dangerous, therefore uses power tongs, hydraulic power tongs is the mechanical thread tool of using the power of workover unit to operate, can greatly reduce the labor intensity of workover workers, avoids or reduces the occurrence of injury accident, simultaneously, hydraulic power tongs enhances the torsion of the thread of tube and drill pipe, reduces the occurrence of the thread-off accident of tube and drill pipe, and the hydraulic sensor is the most commonly used pressure sensor in industrial practice, and the hydraulic sensor is made by encapsulating the isolated silicon piezoresistive pressure sensitive element in the stainless steel shell. It can convert the liquid or gas pressure felt into a standard electrical signal output, generally, when using power tongs, a hydraulic sensor is added to facilitate the display of the pressure of the power tongs.

[0003] The existing hydraulic sensor for power tongs is inconvenient to prolong the service life and improve the reliability of the measured data of the hydraulic sensor when used in practice, because the sensor may generate heat when working, which may cause the performance of the sensor to decline or be damaged in a high-pressure and high-temperature environment. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hydraulic sensor for power tongs to solve the problem of inconvenient prolonging the service life and improving the reliability of the data of the hydraulic sensor in the background art.

[0005] To achieve the above object, the utility model discloses a hydraulic sensor for power tongs, which comprises a hydraulic sensor body, a heat dissipation assembly is fixedly sleeved on the middle part of the surface of the hydraulic sensor body, a digital display module is fixedly connected to one end of the hydraulic sensor body, a hollow limiting block is fixedly connected to one end of the digital display module, limiting grooves are fixedly connected to the top surface and the bottom surface of the hollow limiting block, and a quick-mounting assembly is arranged in the limiting groove,

[0006] The heat dissipation assembly comprises heat-conducting silica gel fixedly sleeved on the middle part of the surface of the hydraulic sensor body, and heat dissipation fins are fixedly connected to the surface of the heat-conducting silica gel.

[0007] The quick-mounting assembly comprises a reset spring and a telescopic rod arranged in the limiting groove, and clamping blocks are fixedly connected to one end of the reset spring and the telescopic rod.

[0008] As a further scheme of the utility model, the surface of the hollow limiting block is connected with a wire installation box, one side of the wire installation box is fixedly connected with a limiting pipe, and the limiting pipe is convenient for installing the power supply connecting wire.

[0009] As a further scheme of the utility model, the edge of the surface of the wire installation box and the edge of the bottom are both provided with quick mounting holes, the quick mounting holes are matched with clamping blocks, and the clamping blocks are convenient for quickly connecting the wire installation box with the hydraulic sensor.

[0010] As a further scheme of the utility model, one end of the limiting pipe is fixedly connected with an anti-falling elastic piece, one end of the anti-falling elastic piece is fixedly connected with a bandage, and the anti-falling elastic piece is convenient for preventing the power supply connecting wire from falling off.

[0011] As a further scheme of the utility model, the edge of the surface of the bandage is fixedly connected with a sub-magic tape, the bottom of the bandage is fixedly connected with a mother magic tape, and the mother magic tape is convenient for being mutually bonded with the sub-magic tape.

[0012] As a further scheme of the utility model, the other end of the hydraulic sensor body is provided with a connecting groove, the connecting groove is internally clamped with an elastic washer, the elastic washer is convenient for increasing the connecting stability and reducing the falling off of the hydraulic sensor body.

[0013] As a further scheme of the utility model, the middle part of the other end of the hydraulic sensor body is fixedly connected with a connecting column, the surface of the connecting column is provided with a threaded groove, and the connecting column is convenient for being connected with the power tongs.

[0014] The utility model provides a kind of hydraulic sensor for power tong, with following beneficial effects:

[0015] 1, the hydraulic sensor for power tong, by the setting of heat dissipation component, when hydraulic sensor body works, sensor will generate heat, is transferred to the shell outside, heat-conducting silica gel has good thermal conductivity, can effectively heat is transferred to heat dissipation fin, heat dissipation fin is increased by surface area, can accelerate heat dissipation, to reduce the accumulation of temperature inside hydraulic sensor body, avoids the excessive heat of hydraulic sensor in use process, leads to sensor performance decline or damage, helps to prolong the service life of sensor and improve the reliability of hydraulic sensor measurement data.

[0016] 2、The hydraulic sensor for the power forceps, through the setting of the quick mounting assembly, when installing or maintaining the power connection line of the hydraulic sensor, press the clamping block, the clamping block is retracted into the limiting groove, pull the wire mounting box, connect the external power connection line with the internal electric signal connector of the sensor, press the clamping block to clamp the wire mounting box on the hollow limiting block, the elastic reset spring restores elasticity, drives the telescopic rod and the clamping block to restore the original state, and is fixed, so that the power connection line is installed and maintained, the time of the worker is increased, and the convenience of the power line installation and maintenance of the hydraulic sensor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a whole structure schematic view of the utility model;

[0018] Fig. 2 It is a heat radiation assembly structure schematic view of the utility model;

[0019] Fig. 3 It is a quick mounting assembly structure schematic view of the utility model;

[0020] Fig. 4 It is a structure schematic view of the anti-dropping elastic piece of the utility model.

[0021] In the drawing: 1, hydraulic sensor body; 2, heat radiation assembly; 201, heat-conducting silica gel; 202, heat dissipation fin; 3, digital display module; 4, hollow limiting block; 5, quick mounting assembly; 501, reset spring; 502, telescopic rod; 503, clamping block; 6, limiting tube; 7, anti-dropping elastic piece; 8, bandage; 9, sub magic tape; 10, female magic tape; 11, elastic washer; 12, connecting column; 13, wire mounting box. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a kind of hydraulic sensor for power forceps, including hydraulic sensor body 1, the middle part of the surface of hydraulic sensor body 1 is fixed with heat radiation assembly 2, one end of hydraulic sensor body 1 is fixedly connected with digital display module 3, one end of digital display module 3 is fixedly connected with hollow limiting block 4, the top surface and bottom surface of hollow limiting block 4 are all fixedly connected with limiting groove, limiting groove is internally provided with quick mounting assembly 5,

[0024] The heat dissipation assembly 2 includes a heat-conducting silica gel 201 fixedly sleeved on the middle part of the surface of the hydraulic sensor body 1, and the surface of the heat-conducting silica gel 201 is fixedly connected with heat dissipation fins 202. Through the arrangement of the heat dissipation assembly 2, when the hydraulic sensor body 1 works, heat generated by the sensor is transferred to the external shell. The heat-conducting silica gel 201 has good thermal conductivity, can effectively transfer heat to the heat dissipation fins 202, and the heat dissipation fins 202 can accelerate heat dissipation by increasing the surface area, thereby reducing the accumulation of internal temperature of the hydraulic sensor body 1, avoiding excessive heat of the hydraulic sensor in the use process, causing the performance of the sensor to decline or damage, and helping to prolong the service life of the sensor and improve the reliability of the measurement data of the hydraulic sensor.

[0025] The quick mounting assembly 5 includes a reset spring 501 and an extension rod 502 arranged in the limiting groove, and the reset spring 501 and the extension rod 502 are both fixedly connected with a clamping block 503 at one end. Through the arrangement of the quick mounting assembly 5, when the power connection line of the hydraulic sensor is installed or maintained, the clamping block 503 is pressed to shrink into the limiting groove. After the external power connection line is connected with the internal electrical signal connector of the sensor, the clamping block 503 is pressed to clamp the wire mounting box 13 on the hollow limiting block 4, the reset spring 501 restores elasticity, drives the extension rod 502 and the clamping block 503 to restore the original state, and fixes them, so as to achieve the effect of convenient and quick installation and replacement of the power connection line, avoid increasing the time of the staff when the power connection line needs to be installed and maintained, and help to improve the convenience of the installation and maintenance of the power line of the hydraulic sensor.

[0026] The surface of the hollow limiting block 4 is clamped with the wire mounting box 13, and the wire mounting box 13 is fixedly connected with a limiting tube 6 at one side. Through the arrangement of the wire mounting box 13, the effect of connecting the power connection line with the hydraulic sensor is achieved.

[0027] The edge of the surface and the edge of the bottom of the wire mounting box 13 are both provided with a quick mounting hole, and the quick mounting hole is matched with the clamping block 503. Through the arrangement of the clamping block 503, the effect of quickly connecting the wire mounting box 13 with the hydraulic sensor is achieved.

[0028] One end of the limiting tube 6 is fixedly connected with a anti-falling elastic piece 7, and one end of the anti-falling elastic piece 7 is fixedly connected with a bandage 8. Through the arrangement of the anti-falling elastic piece 7, the effect of preventing the power connection line from falling off is achieved.

[0029] The edge of the surface of the bandage 8 is fixedly connected with a sub-magic tape 9, and the bottom of the bandage 8 is fixedly connected with a mother magic tape 10. Through the arrangement of the mother magic tape 10, the effect of mutually adhering the sub-magic tape 9 and fixing the anti-falling elastic piece 7 on the connection line is achieved.

[0030] The other end of the hydraulic sensor body 1 is provided with a connecting groove, and an elastic washer 11 is clamped in the connecting groove, so that the elastic washer 11 can stabilize the connection and reduce the falling of the hydraulic sensor body 1.

[0031] The middle part of the other end of the hydraulic sensor body 1 is fixedly connected with a connecting column 12, and a threaded groove is formed in the surface of the connecting column 12, so that the connecting column 12 can be connected with a power clamp.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that when the power connection line of the hydraulic sensor is installed or maintained, the clamping block 503 is pressed to be retracted into the limiting groove, the wire mounting box 13 is pulled, the external power connection line is connected with the internal electric signal connecting piece of the sensor, then the wire mounting box 13 is clamped on the hollow limiting block 4 by pressing the clamping block 503, the reset spring 501 restores elasticity, the telescopic rod 502 and the clamping block 503 are restored to the original state, and the wire mounting box 13 is fixed.

[0034] The second step is that when the hydraulic sensor body 1 works, heat is generated by the sensor and is transferred to the external shell, the heat-conducting silica gel 201 has good thermal conductivity and can effectively transfer heat to the heat dissipation fin 202, and the heat dissipation fin 202 can accelerate heat dissipation by increasing the surface area.

[0035] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the power mechanism, the power supply system and the control system of the device are not completely described, but the specific power mechanism, the power supply system and the control system can be clearly known by the technical personnel in the field under the premise of understanding the principle of the above-mentioned utility model, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field.

[0036] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field are known or obtained by conventional experimental methods.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic sensor for use on a power tong, comprising a hydraulic sensor body (1), characterized in that: The middle part of the surface of the hydraulic sensor body (1) is fixedly sleeved with a heat dissipation assembly (2), one end of the hydraulic sensor body (1) is fixedly connected with a digital display module (3), one end of the digital display module (3) is fixedly connected with a hollow limiting block (4), the top surface and the bottom surface of the hollow limiting block (4) are fixedly connected with limiting grooves, and the inside of the limiting grooves is provided with a quick mounting assembly (5), The heat dissipation assembly (2) comprises heat-conducting silica gel (201) fixedly sleeved on the middle part of the surface of the hydraulic sensor body (1), and the surface of the heat-conducting silica gel (201) is fixedly connected with heat dissipation fins (202). The quick mounting assembly (5) comprises a reset spring (501) and a telescopic rod (502) arranged in the limiting groove, and one end of the reset spring (501) and the telescopic rod (502) is fixedly connected with a clamping block (503).

2. A hydraulic sensor for use on a power tongs as defined in claim 1, wherein: The surface of the hollow limiting block (4) is clamped with a wire mounting box (13), and one side of the wire mounting box (13) is fixedly connected with a limiting tube (6).

3. A hydraulic sensor for use on a power tongs as defined in claim 2, wherein: The edge of the surface of the wire mounting box (13) and the edge of the bottom surface are both provided with quick mounting holes, and the quick mounting holes are matched with the clamping block (503).

4. A hydraulic sensor for use on a power tongs as defined in claim 2, wherein: One end of the limiting tube (6) is fixedly connected with an anti-dropping elastic piece (7), and one end of the anti-dropping elastic piece (7) is fixedly connected with a binding belt (8).

5. A hydraulic sensor for use on a power tongs as defined in claim 4, wherein: The edge of the surface of the binding belt (8) is fixedly connected with a sub-magic tape (9), and the bottom surface of the binding belt (8) is fixedly connected with a female magic tape (10).

6. A hydraulic sensor for use on a power tongs as defined in claim 1, wherein: The other end of the hydraulic sensor body (1) is provided with a connecting groove, and the inside of the connecting groove is clamped with an elastic washer (11).

7. A hydraulic sensor for use on a power tongs as defined in claim 1, wherein: The middle part of the other end of the hydraulic sensor body (1) is fixedly connected with a connecting column (12), and the surface of the connecting column (12) is provided with a threaded groove.

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