CN216133213U

CN216133213U - Testing device

Info

Publication number: CN216133213U
Application number: CN202121307007.XU
Authority: CN
Inventors: 孟繁宇; 陈智伟; 宛文宇; 刘红旗; 肖雷雷; 李雁; 吴浩洋; 刘鑫
Original assignee: China Oilfield Services Ltd
Current assignee: China Oilfield Services Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-03-25
Anticipated expiration: 2031-06-11

Abstract

The embodiment of the utility model provides a testing device which comprises a hydraulic system and a clamping sleeve, wherein the hydraulic system comprises a hydraulic cylinder and a hydraulic shaft matched with the hydraulic cylinder to act, one end of the clamping sleeve can clamp and position the outer wall of the hydraulic cylinder, the other end of the clamping sleeve can clamp and position the outer wall of an instrument to be tested, and the hydraulic shaft can be sleeved with the instrument to be tested and apply force to the instrument to be tested.

Description

Testing device

Technical Field

The embodiment of the utility model relates to the field of testing equipment of underground instruments, in particular to a testing device.

Background

The ERMT is one of the essential auxiliary measuring instruments in cable logging operation, and can monitor the parameters of tension, temperature and resistivity, borehole temperature and mud resistivity and the like on a cable through tension, temperature and resistivity sensors arranged on the instruments. When the ERMT instrument returns to maintenance, the performance of a tension probe and the like is detected according to the instrument maintenance flow so as to ensure the accuracy of tension measurement.

Original tension check out test set can't satisfy and wholly detect the logging instrument owing to receive tensile stroke restriction, can only take out tension probe from its inside, detects alone, and the process is comparatively loaded down with trivial details, can't find the tension test equipment who satisfies whole detection requirement on the market at present for a while.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a testing device which is simple in structure, simple and convenient to operate and accurate in testing.

The embodiment of the utility model provides a testing device, which comprises: hydraulic system and clamping sleeve, hydraulic system include the pneumatic cylinder, with the hydraulic pressure axle of pneumatic cylinder cooperation action, clamping sleeve one end can press from both sides tight location the outer wall of pneumatic cylinder, the outer wall of instrument to be measured can be pressed from both sides tight location to the other end, and the hydraulic pressure axle can cup joint the instrument to be measured carries out the application of force to the instrument to be measured.

In an exemplary embodiment, the front end of the hydraulic shaft is provided with an inner cavity, the inner cavity is provided with internal threads and can be connected with external threads of the instrument to be tested, and the rear end of the hydraulic shaft is provided with a connecting hole for connecting with a hydraulic cylinder.

In one exemplary embodiment, the clamping sleeve comprises a first flange arranged at one end, a second flange arranged at the other end, and a connecting rod for connecting the first flange and the second flange; the first flange is used for clamping and positioning the outer wall of the hydraulic cylinder, and the second flange is used for clamping and positioning the outer wall of the instrument to be tested.

In an exemplary embodiment, the first flange and the second flange are respectively provided with a through hole, the through holes are provided with internal threads, both ends of the connecting rod are respectively provided with external threads and can be connected with the corresponding through holes, and the distance between the first flange and the second flange can be adjusted.

In an exemplary embodiment, the first flange and the second flange respectively include a plurality of through holes and are arranged at intervals in the circumferential direction, and the connecting rod includes a plurality of through holes, and both ends of the connecting rod are respectively connected with the through holes corresponding to the first flange and the second flange.

In one exemplary embodiment, the first flange, the second flange, and the plurality of connecting rods each comprise two portions that are axially separable or combinable.

In an exemplary embodiment, a locknut is sleeved at the connection between the hydraulic cylinder and the hydraulic shaft.

In an exemplary embodiment, the hydraulic system further comprises a hydraulic pump and a hydraulic pipeline connecting the hydraulic cylinder and the hydraulic pump, wherein the hydraulic cylinder is a double-acting hydraulic cylinder and can drive a hydraulic shaft to apply a forward acting force and a reverse acting force to the instrument to be tested.

In one exemplary embodiment, the instrument under test is a tension logging instrument, and the testing device is used for testing the tension of a tension probe of the tension logging instrument.

In an exemplary embodiment, the testing apparatus further includes a data processing and displaying apparatus connected to the instrument to be tested, and the data processing and displaying apparatus includes a sensing apparatus connected to the instrument to be tested, a development board, a converter chip, and a display, the sensing apparatus is configured to detect mechanical properties of the instrument to be tested, the converter chip is configured to receive mechanical property data sensed by the sensing apparatus and transmit the mechanical property data to the development board for processing to obtain a processing result, and the display is configured to display the processing result.

The testing device provided by the embodiment of the utility model can be used for testing after being sleeved and positioned with an instrument to be tested, is accurate in testing and firm in positioning, adopts the hydraulic system to test the instrument to be tested, has enough stretching stroke, is simple in structure and simple and convenient to operate, can be used for testing after being sleeved and positioned with the instrument to be tested without taking out a tension probe of the instrument to be tested, is accurate in testing and firm in positioning, adopts the hydraulic system to test the instrument to be tested, has enough stretching stroke, is simple in structure and simple and convenient to operate, and does not need to take out the tension probe alone for testing.

Additional features and advantages of embodiments of the utility model will be set forth in the description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the example serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a perspective view of a test apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a hydraulic shaft of the test apparatus according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of a connection between a testing apparatus and a device under test according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a data processing and display device of a testing device according to an embodiment of the utility model.

Detailed Description

Embodiments of the present invention will be described herein with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

As shown in fig. 1 to 3, an embodiment of the present invention provides a testing apparatus 100, including: a hydraulic system 1 and a clamping sleeve 2. The hydraulic system 1 can exert an acting force on an instrument to be tested, one end of the clamping sleeve 2 can clamp the outer wall of the positioning hydraulic cylinder 11, and the other end of the clamping sleeve can clamp and position the outer wall of the instrument to be tested 3 (see fig. 3). The device 3 to be tested in this embodiment is a tension logging device, and the testing apparatus 100 mainly tests the tension of a tension probe of the tension logging device.

As shown in fig. 1 and 3, the hydraulic system 1 includes a hydraulic pump 10, a hydraulic cylinder 11, a hydraulic shaft 12 that operates in cooperation with the hydraulic cylinder 11, and a hydraulic line (not shown) that connects the hydraulic cylinder 11 and the hydraulic pump. The locknut 13 is sleeved at the joint between the hydraulic cylinder 11 and the hydraulic shaft 12 and used for reinforcing the joint between the hydraulic cylinder 11 and the hydraulic shaft 12. The hydraulic shaft 12 can be sleeved with a tension probe of the instrument to be tested 3 and apply force to the tension probe of the instrument to be tested 3. The hydraulic system 1 may be manual or electric.

As shown in fig. 1, the clamping sheath 2 includes a first flange 21 provided at one end, a second flange 22 provided at the other end, and a connecting rod 23 connecting the first flange 21 and the second flange 22. The first flange 21 is used for clamping the outer wall of the positioning cylinder 11. The second flange 22 is used for clamping and positioning the outer wall of the device 3 to be tested. The first flange 21 and the second flange 22 are respectively provided with a through hole (not numbered), the through holes are provided with internal threads, the two ends of the connecting rod 23 are respectively provided with external threads, can be connected with the corresponding through holes, and can adjust the distance between the first flange 21 and the second flange 22. In this embodiment, the first flange 21 and the second flange 22 respectively include a plurality of through holes arranged at intervals along the circumferential direction, and the connecting rod 23 includes a plurality of through holes, and both ends of the connecting rod are connected to the through holes corresponding to the first flange 21 and the second flange 22 respectively. The first flange 21, the second flange 22 and the connecting rods 23 comprise two parts which can be separated or combined along the axial direction, and the two parts separated by the first flange 21 and the second flange 22 can be connected through connecting pieces, so that the hydraulic cylinder 11 and the instrument 3 to be tested can be fixed conveniently. In this embodiment, the inner ring of the first flange 21 is circular and is adapted to the shape of the hydraulic shaft 12, and the inner ring of the second flange 21 is hexagonal and is adapted to the shape of the to-be-tested instrument 3, so as to increase the clamping force of the clamping sleeve 2 on the hydraulic cylinder 11 and the to-be-tested instrument 3.

As shown in fig. 2, an inner cavity 120 is disposed at the front end of the hydraulic shaft 12, and the inner cavity 120 is provided with an internal thread 121 capable of being connected with an external thread of a tension probe of the device under test 3. The rear end of the hydraulic shaft 12 is provided with a connecting hole 122 for connecting with the hydraulic cylinder 11 by a connecting member.

As shown in fig. 4, the testing apparatus 100 further includes a data processing and displaying apparatus 4, which includes a sensing apparatus 40 connected to the device under test, a development board 41, a converter chip 42, and a display 43. The sensing device is used for detecting the mechanical property (finger tension in this embodiment) of the instrument 3 to be detected, the converter chip 42 is used for receiving the mechanical property data sensed by the sensing device and transmitting the data to the development board 41 for processing to obtain a processing result, and the display 43 is used for displaying the processing result.

The data processing and display device 4 in this embodiment can process the tension signal transmitted by the testing instrument in real time. Wherein the development board 41 can adopt an electronic prototype platform arduino uno3 development board; the converter chip adopts a precision analog-to-digital (A/D) converter chip HX 711; the display is an LCD1602 liquid crystal display.

Illustratively, when the data processing and display device 4 works, the tension probe of the test instrument 3 is firstly butted with the pin of the high-precision analog-to-digital conversion chip HX711, the tension analog signal is transmitted into the high-precision analog-to-digital conversion chip HX711 for AD conversion, the converted tension signal is transmitted to the development board of the electronic prototype platform arduino 3 for further processing, and finally, the tension signal is displayed on the LCD1602 liquid crystal screen.

When the testing device 100 of this embodiment is assembled, first, the tension probe of the instrument 3 to be tested is sleeved in the hydraulic shaft 12, then the clamping sleeve 2 is divided into two parts, which are sleeved on the outer wall of the hydraulic shaft 12 and the outer wall of the instrument 3 to be tested, and then the two parts of the first flange 21 and the two parts of the second flange 22 are connected by using the connecting member, so as to position the hydraulic shaft 12 and the instrument 3 to be tested. And then the data processing and displaying device 4 is connected with the tension probe of the instrument 3 to be tested.

The testing arrangement 100 of this embodiment during operation starts the hydraulic pump, and when hydraulic shaft 12 process, thereby the hydraulic pump passes through hydraulic line input pneumatic cylinder 11 with hydraulic oil and drives hydraulic shaft 12 forward motion, because hydraulic shaft 12 is connected with the tension probe of the instrument 3 that awaits measuring to conduct the effort to the tension probe to exert forward effort as the tension probe, data processing and display device 4 collect and show the data of tension probe in real time this moment. When the hydraulic shaft 12 returns, the hydraulic pump pumps out the oil in the hydraulic cylinder 11 through the hydraulic pipeline to drive the hydraulic shaft 12 to move backwards, so that the reverse acting force is applied to the tension probe, and the data processing and displaying device 4 collects and displays the data of the tension probe in real time.

The testing device 100 of the embodiment can be used for testing after being sleeved and positioned with the instrument 3 to be tested, is accurate in testing and firm in positioning, adopts a hydraulic system to test the instrument 3 to be tested, has enough stretching stroke, is simple in structure and convenient to operate, and does not need to take out a tension probe of the instrument 3 to be tested.

In the description herein, the term "plurality" refers to two or more. In the description herein, it is to be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" structure ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to have a specific orientation, are configured and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.

In the description herein, unless expressly stated or limited otherwise, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A test apparatus, comprising: hydraulic system and clamping sleeve, hydraulic system include the pneumatic cylinder, with the hydraulic shaft of pneumatic cylinder cooperation action, clamping sleeve one end can press from both sides tight location the outer wall of pneumatic cylinder, the outer wall of the instrument that awaits measuring of other end tight location can be pressed from both sides, the hydraulic shaft can cup joint the instrument that awaits measuring and carry out the application of force to the instrument that awaits measuring.

2. The test device of claim 1, wherein: the hydraulic shaft front end is equipped with interior cavity, interior cavity be equipped with the internal thread, can with the external threaded connection of the instrument that awaits measuring, the rear end is equipped with the connecting hole and is used for being connected with the pneumatic cylinder.

3. The test device of claim 1, wherein: the clamping sleeve comprises a first flange arranged at one end, a second flange arranged at the other end and a connecting rod for connecting the first flange and the second flange; the first flange is used for clamping and positioning the outer wall of the hydraulic cylinder, and the second flange is used for clamping and positioning the outer wall of the instrument to be tested.

4. The test device of claim 3, wherein: the first flange and the second flange are respectively provided with a through hole, the through holes are provided with internal threads, the two ends of the connecting rod are respectively provided with external threads, can be connected with the corresponding through holes and can adjust the distance between the first flange and the second flange.

5. The test device of claim 4, wherein: the first flange and the second flange respectively comprise a plurality of through holes and are arranged at intervals along the circumferential direction, the connecting rod comprises a plurality of through holes, and two ends of the connecting rod are respectively connected with the through holes corresponding to the first flange and the second flange.

6. The test device of claim 5, wherein: the first flange, the second flange and the connecting rods respectively comprise two parts which can be separated or combined along the axial direction.

7. The test device of claim 5, wherein: and a check nut is sleeved at the joint between the hydraulic cylinder and the hydraulic shaft.

8. The test device of claim 5, wherein: the hydraulic system further comprises a hydraulic pump and a hydraulic pipeline connecting the hydraulic cylinder and the hydraulic pump, and the hydraulic cylinder is a double-acting hydraulic cylinder and can drive a hydraulic shaft to apply a forward acting force and a reverse acting force to the instrument to be tested.

9. The test device of any one of claims 1-8, wherein: the device to be tested is a tension logging instrument, and the testing device is used for testing the tension of a tension probe of the tension logging instrument.

10. The test device of any one of claims 1-8, wherein: the testing device further comprises a data processing and displaying device connected with the instrument to be tested, the data processing and displaying device comprises a sensing device, a development board, a converter chip and a display, the sensing device is connected with the instrument to be tested and used for detecting the mechanical property of the instrument to be tested, the converter chip is used for receiving the mechanical property data sensed by the sensing device and transmitting the mechanical property data to the development board for processing to obtain a processing result, and the display is used for displaying the processing result.