CN113588249B - Fatigue test equipment for eccentric and centralizer instruments - Google Patents
Fatigue test equipment for eccentric and centralizer instruments Download PDFInfo
- Publication number
- CN113588249B CN113588249B CN202111026892.9A CN202111026892A CN113588249B CN 113588249 B CN113588249 B CN 113588249B CN 202111026892 A CN202111026892 A CN 202111026892A CN 113588249 B CN113588249 B CN 113588249B
- Authority
- CN
- China
- Prior art keywords
- centralizer
- eccentric
- cam assembly
- instrument
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009661 fatigue test Methods 0.000 title claims abstract description 41
- 238000004088 simulation Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 29
- 238000009434 installation Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to fatigue testing equipment for an eccentric and centralizer instrument, which comprises the following components: the well wall simulation device comprises a cam assembly and a cam driving device, wherein the driving end of the cam driving device is connected with the cam assembly and used for driving the cam assembly to rotate; the driving end of the longitudinal adjusting device is detachably connected with the cam assembly and is used for adjusting the height of the cam assembly along the vertical direction; and the instrument fixing device is arranged below the cam assembly and is used for placing and fixing the instrument to be tested. The profile surface of the cam component at least comprises a plurality of first curved surfaces, second curved surfaces and third curved surfaces with different curvatures, wherein the first curved surfaces are used for simulating a borehole wall cavity surface, the second curved surfaces are used for simulating a borehole wall bulge surface, and the third curved surfaces are used for simulating a borehole wall smooth surface. The fatigue testing device for the eccentric and centralizer instruments has the advantages of simple structure, convenient operation and wider applicability, thereby ensuring comprehensive fatigue detection of the eccentric and centralizer instruments.
Description
Technical Field
The invention belongs to the field of petroleum logging instrument testing, and particularly relates to fatigue testing equipment for an eccentric and centralizer instrument applied to a logging instrument.
Background
Along with the rapid development of industries such as petroleum, natural gas and the like, logging instruments are necessary instruments in the industry, wherein auxiliary instruments of centralizers and eccentrics are instruments of high frequency, and the instruments are broken by bow sheets in the logging process due to material fatigue or heat treatment and other technical problems, so that accidents such as instrument jamming, bow sheet breakage, fragment falling and the like are easily caused, and once the accidents occur, huge economic losses are easily caused.
At present, the standardization of the test of the auxiliary instruments of the centralizer and the eccentric type in the prior art is poor, and the fatigue test of various well wall characteristics cannot be met. Meanwhile, according to different manufacturers, the test strength and the result may have deviation, and the device for comprehensively testing the fatigue of the instrument is rarely arranged on the market, so that the instrument cannot realize comprehensive fatigue detection before logging operation.
Disclosure of Invention
In order to solve all or part of the problems, the invention aims to provide fatigue testing equipment for an eccentric device and a centralizer device applied to a logging instrument, so that the equipment is simple in structure, convenient to operate and wider in applicability, and meanwhile, the testing efficiency and the uniformity of testing results can be improved, and therefore comprehensive fatigue detection of the eccentric device and the centralizer device is ensured.
The invention relates to fatigue testing equipment for an eccentric device and a centralizer instrument, which comprises the following components: the well wall simulation device comprises a cam assembly and a cam driving device, wherein the driving end of the cam driving device is connected with the cam assembly and used for driving the cam assembly to rotate; the driving end of the longitudinal adjusting device is detachably connected with the cam assembly and is used for adjusting the height of the cam assembly along the vertical direction; and the instrument fixing device is arranged below the cam assembly and is used for placing and fixing the instrument to be tested. The profile surface of the cam component at least comprises a plurality of first curved surfaces, second curved surfaces and third curved surfaces with different curvatures, wherein the first curved surfaces are used for simulating a borehole wall cavity surface, the second curved surfaces are used for simulating a borehole wall bulge surface, and the third curved surfaces are used for simulating a borehole wall smooth surface.
Further, the cam assembly comprises a hub part and a rim part, the hub part is detachably connected with the driving end of the longitudinal adjusting device, the rim part is detachably sleeved on the hub part, and the profile surface is configured as an outer profile surface of the hub part.
Further, the material of the hub portion is metal.
Further, the well wall simulation device also comprises a device shell, wherein a high-level installation platform is arranged in the device shell, and the well wall simulation device is arranged on the high-level installation platform; the longitudinal adjustment device comprises: the telescopic rod of the first telescopic mechanism passes through the high-level mounting platform along the vertical direction to form a telescopic rod driving end; the connecting swing arm is provided with a cam driving device. One end of the connecting swing arm is hinged with the driving end of the telescopic rod, the other end of the connecting swing arm is connected with the cam assembly through a rotating shaft, and the middle part of the connecting swing arm is pivoted with the high-position mounting platform.
Further, the instrument fixing device includes: the base is arranged in the equipment shell, and a linear guide rail is arranged on the base along the horizontal direction; the bottom surface of the bottom plate is provided with a sliding block which is in sliding connection with the linear guide rail, so that the bottom plate is arranged on the base in a sliding manner along the horizontal direction; and the clamping parts are fixed on the bottom plate and used for clamping and fixing the instrument to be tested.
Further, the device also comprises a transverse adjusting device which is arranged below the high-position mounting platform, and the driving end of the transverse adjusting device is connected with the bottom plate and used for adjusting the position of the bottom plate along the horizontal direction.
Further, the transverse adjusting device comprises a second telescopic mechanism, and a telescopic rod of the second telescopic mechanism is connected with the bottom plate along the horizontal direction.
Further, the apparatus housing includes: a frame configured as a rectangular frame; and the wall surface is attached and fixed on the side surface formed by the rectangular frame to form a complete shell. Wherein at least one wall surface is provided with a door structure which can be opened and closed.
Further, the wall and/or door structure is configured as a mesh structure.
Further, the system also comprises a control system, wherein the control system comprises: the electric control system is electrically connected with the cam driving device, the first telescopic mechanism and the second telescopic mechanism so as to supply power and control the cam driving device, the first telescopic mechanism and the second telescopic mechanism; the emergency stop module is arranged on the door structure and is electrically connected with the electric control system, and the emergency stop module is arranged as follows: in the running process of the fatigue testing equipment of the eccentric and centralizer instruments, when the door structure is opened, the fatigue testing equipment of the eccentric and centralizer instruments can be stopped through the electric control system.
The fatigue testing equipment for the eccentric and centralizer instruments comprises:
1) The fatigue test of the centralizer and the eccentric instrument under different well conditions can be realized only by the cam assembly, so that the operation of the fatigue test equipment of the eccentric instrument and the centralizer instrument is simple, the characteristic of the well wall can be customized and designed according to different requirements, and the applicability is wider;
2) The combination of the well wall simulation device, the longitudinal adjustment device and the transverse adjustment device can also realize the simulation control of the well diameter adjustment, the simulation lifting and lowering, the actual contact position of the well wall and the instrument and the logging speed.
Drawings
FIG. 1 is a schematic diagram of a fatigue testing device for an eccentric and centralizer-type instrument according to an embodiment of the invention;
FIG. 2 is a schematic side view of the structure of the fatigue testing device of the eccentric and centralizer-type instrument shown in FIG. 1;
FIG. 3 is a schematic top view of the structure of the fatigue testing device of the eccentric and centralizer-type instrument shown in FIG. 1;
fig. 4 is a schematic view of the cam assembly shown in fig. 1.
Detailed Description
For a better understanding of the objects, structures and functions of the present invention, a fatigue testing device for an eccentric and centralizer-type instrument of the present invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 to 3 show the structure of an apparatus for fatigue testing of an eccentric and centralizer-type instrument according to an embodiment of the invention. As shown in connection with fig. 1 to 3, the fatigue testing apparatus 100 for an eccentric and centralizer type instrument includes: the well wall simulation device 1 comprises a cam assembly 11 and a cam driving device 12, wherein the driving end of the cam driving device 12 is connected with the cam assembly 11 and is used for driving the cam assembly 11 to rotate; a longitudinal adjustment device 2, the driving end of which is detachably connected with the cam assembly 11, for adjusting the height of the cam assembly 11 in the vertical direction; and an instrument fixing device 3 disposed below the cam assembly 11 for placing and fixing the instrument 200 to be measured. The profile surface S of the cam assembly 11 is at least composed of a plurality of first curved surfaces S1, second curved surfaces S2 and third curved surfaces S3 with different curvatures, wherein the first curved surfaces S1 are used for simulating a borehole wall cavity surface, the second curved surfaces S2 are used for simulating a borehole wall bulge surface, and the third curved surfaces S3 are used for simulating a borehole wall smooth surface.
References to eccentrics and centralizer-type instruments in this application are to be understood as meaning centralizer-type instruments. In particular, a centralizer is typically a rigid and resilient centralizer frame mounted on the casing exterior surface to ensure that the running casing string is centered in the wellbore during oil and gas drilling. The centralizer used on site is mostly a spring type lantern-shaped framework. The arches 201 referred to in this application are understood to be resilient righting frameworks. The first curved surface S1, the second curved surface S2, and the third curved surface S3 with different curvatures are at least mentioned in the application, and a fourth curved surface, a fifth curved surface, etc. are added in the subsequent testing process, that is, the first curved surface S1 is used for simulating a hole surface of a well wall, the second curved surface S2 is used for simulating a convex surface of the well wall, the third curved surface S3 is used for simulating a smooth surface of the well wall, and the fourth curved surface, the fifth curved surface, etc. with different curvatures can be added according to specific testing requirements, so as to simulate the characteristics of other well wall surfaces 43. The composition mentioned in this application should be understood that the first curved surface S1, the second curved surface S2 and the third curved surface S3 may be sequentially connected, or the first curved surface S1, the second curved surface S2 and the third curved surface S3 may be irregularly connected, and a specific connection manner may be defined by a specific test condition, that is, the position, the range and the number of each curved surface located on the profile surface S may be finally defined by combining with the actual well wall characteristics, so as to be finally used to simulate complex well wall characteristics.
When the fatigue testing device 100 for the eccentric and centralizer type instrument is used, the instrument 200 to be tested (such as a centralizer) is fixed on the instrument fixing device 3, and meanwhile, the position of the cam assembly 11 is adjusted through the longitudinal adjusting device 2. Wherein, because the third curved surface S3 is used for simulating the well wall smooth surface, the third curved surface S3 is used as a reference position for contacting with the bow piece 201 of the eccentric device and the centralizer type instrument. The cam assembly 11 is adjusted by the longitudinal adjustment device 2 so that the arches 201 are brought into abutment with the third curved surface S3. During testing, the device is started, and the cam assembly 11 can rotate at a high speed under the drive of the cam driving device 12. In the high-speed rotation process of the cam assembly 11, the second curved surface S2 simulates a convex surface of the well wall, so that the second curved surface S2 can squeeze the bow 201 to simulate the working conditions of the eccentric and centralizer instruments in practical application. And the first curved surface S1 simulates a borehole wall cavity surface, and the bow piece 201 is rebounded and reset through the difference value of the high and low positions of the first curved surface S1 and the second curved surface S2, so that fatigue tests of the eccentric device and the centralizer instrument in practical working conditions are completed.
Through the arrangement, the fatigue test equipment 100 for the eccentric and the centralizer type instrument can simulate the fatigue test of the centralizer and the eccentric type instrument under different well conditions (the well wall characteristics such as the well wall protrusion, the well wall cavity and the smooth section) only through the cam assembly 11, and the actual contact position of the well wall and the instrument can be simulated and controlled through the longitudinal adjusting device 2, so that the operation of the fatigue test equipment 100 for the eccentric and the centralizer type instrument is simple, the simulated well wall characteristics can be customized and designed according to different requirements, and the applicability is wider.
Preferably, as shown in fig. 4, the cam assembly 11 may include a hub portion 111 and a rim portion 112, the hub portion 111 is detachably connected to the driving end of the longitudinal adjustment device 2, the rim portion 112 is detachably sleeved on the hub portion 111, and the profile surface S is configured as an outer profile surface S of the hub portion 111. In this embodiment, the hub portion 111 and the rim portion 112 are in a split type detachable and fixedly connected structure. Through this setting, can design the rim portion 112 of multiple different outline face S respectively according to the difference of test requirement, when there is different test requirement, only need change rim portion 112 can, easier test personnel' S operation. Fig. 4 shows a design of the contour S of the rim 112 required for testing. It should be noted that the test requirements refer to different test requirements of different borehole wall characteristics on instruments. And correspondingly designing different shapes of the outer contour surface S according to different well wall characteristics.
In a preferred embodiment, the material of the hub portion 111 may be metal to increase the structural strength of the hub portion 111. With this arrangement, since the boss 111 is not only required to be connected to the driving end of the cam driving device 12, but also is disposed at the driving end of the longitudinal adjustment device 2, stability of the cam assembly 11 during rotation and installation can be improved by improving structural strength of the boss 111, and the cam assembly 11 serves as a key component for testing, so that service lives of the fatigue testing device 100 for the eccentric and centralizer-type instruments according to the embodiment of the present invention can be effectively prolonged.
Returning to fig. 1-3, the apparatus 100 for testing fatigue of an instrument of the eccentric and centralizer type may further preferably comprise an apparatus housing 4 having a high-level mounting platform 41 disposed therein, and the borehole wall simulator 1 is disposed on the high-level mounting platform 41. The longitudinal adjustment device 2 may comprise: the first telescopic mechanism 21 is arranged below the high-level mounting platform 41, and a telescopic rod of the first telescopic mechanism 21 passes through the high-level mounting platform 41 along the vertical direction so as to form a telescopic rod driving end; the connecting swing arm 22, and the cam driving device 12 is provided on the connecting swing arm 22. One end of the connecting swing arm 22 is hinged with the driving end of the telescopic rod, the other end of the connecting swing arm 22 is connected with the cam assembly 11 through a rotating shaft, and the middle part of the connecting swing arm 22 is pivoted with the high-position mounting platform 41. In particular use, the connecting swing arm 22 is formed as a lever structure. When the height position of the cam assembly 11 needs to be adjusted, when the telescopic rod moves downwards, one end connected with the cam assembly 11 of the connecting swing arm 22 moves upwards, so that the height of the cam assembly 11 is increased. Conversely, the height of the cam module 11 is lowered. Preferably, the first telescopic mechanism 21 may be a vertical servo-electric cylinder. By this arrangement, on the one hand, the structure of the connecting swing arm 22 is simple, and the stability in the adjustment process is better; on the other hand, the longitudinal adjustment device 2 can be controlled by an electric control system (as will be seen in the following description) so as to realize automation of the whole testing process, reduce the testing difficulty and improve the testing safety.
In a preferred embodiment, the cam driving device 12 may be composed of a variable frequency motor and a speed reducer, wherein the variable frequency motor is connected with the cam assembly 11 through the speed reducer and then through a chain transmission system so as to drive the cam assembly 11 to rotate. It is also preferred that a safety shield be provided outside the chain drive system.
Returning to fig. 1 to 3, the instrument holder 3 may preferably comprise: a base 31 provided in the apparatus housing 4, the base 31 being provided with a linear guide 32 in a horizontal direction; a bottom plate 33, the bottom surface of which is provided with a slider 34 slidably connected to the linear guide rail 32, so that the bottom plate 33 is slidably disposed on the base 31 in the horizontal direction; and a plurality of clamping parts 35 fixed on the bottom plate 33 for clamping and fixing the instrument 200 to be tested. In specific use, after the eccentric and centralizer type instruments are fixed on the instrument fixing device 3, the positions of the instruments to be measured 200 can be adjusted and fixed through the cooperation of the linear guide rail 32 and the sliding block 34, so that the instruments to be measured 200 are adapted to the positions of the cam assemblies 11.
In a preferred embodiment, several clamps 35 may be provided as flat jaws capable of securing the instrument 200 to be tested.
Returning to fig. 1-3, the eccentric and centralizer type instrument fatigue testing device 100 may further preferably include a lateral adjustment device 5 disposed below the elevated mounting platform 41, the driving end of the lateral adjustment device 5 being connected to the base plate 33 for adjusting the position of the base plate 33 in the horizontal direction. Preferably, the lateral adjustment device 5 may comprise a second telescopic mechanism 51, the telescopic rod of the second telescopic mechanism 51 being connected to the bottom plate 33 in a horizontal direction. Preferably, the second telescopic mechanism 51 may be a horizontal servo-electric cylinder. Through this arrangement, the lateral adjustment device 5 can be controlled by an electronic control system (as will be seen in conjunction with the following description) to realize automation of the whole test process, reduce the test difficulty, and improve the safety of the test.
In addition, the combination of the well wall simulation device 1, the longitudinal adjusting device 2 and the transverse adjusting device 5 can also realize: adjusting the size of the borehole diameter, for example by adjusting the smooth section of the cam assembly 11 of the borehole wall simulator 1; the simulation of lifting and lowering, for example by means of the lateral adjustment device 5, adjusts the position of the bottom plate 33 in the horizontal direction; the actual contact position of the well wall and the instrument is realized, for example, the cam assembly 11 is adjusted by the longitudinal adjusting device 2, so that the bow piece 201 is abutted with the third curved surface S3; and analog control of logging speed, such as by control of cam drive 12.
Returning to fig. 1 to 3, preferably, the apparatus housing 4 may include: a frame 42, the frame 42 being configured as a rectangular frame 42; and a wall surface 43 attached and fixed to a side surface formed by the rectangular frame 42 to constitute a complete housing. Wherein at least one wall 43 has a door structure 44 thereon that can be opened and closed. With this arrangement, on the one hand, the installation and removal of the instrument 200 to be tested can be facilitated; on the other hand, the wall surface 43 and the closable door structure 44 are arranged, so that the safety of the whole testing process can be ensured, and the personal safety of the tester is ensured.
Preferably, as shown in connection with fig. 1 and 2, the wall 43 and/or the door structure 44 may be configured as a mesh structure. The mesh structure is understood in this application to be a wall 43 and a door made of wire mesh or a wall 43 frame 42 and a door frame 42 around which wire is wound. By this arrangement, the wall surface 43 of the mesh structure and the door structure 44 are better in perspective, and a tester can better observe the test state of the eccentric and the centralizer-type instrument in the fatigue test process through the mesh structure.
Preferably, as shown in connection with fig. 1, the eccentric and centralizer-type instrument fatigue test device 100 may further include a control system 6, the control system 6 may include: the electric control system is electrically connected with the cam driving device 12, the first telescopic mechanism 21 and the second telescopic mechanism 51 so as to supply power and control the three; a scram module (not shown) disposed on the door structure 44 and electrically connected to the electronic control system, the scram module being configured to: during operation of the fatigue testing device 100 for the eccentric and centralizer type instruments, when the door structure 44 is opened, the fatigue testing device 100 for the eccentric and centralizer type instruments can be stopped by the electronic control system. Specifically, when in use, after the eccentric and the centralizer instrument are fixed on the instrument fixing device 3, related control buttons are operated on the electric control system to control the first telescopic mechanism 21 and the second telescopic mechanism 51 so as to adjust the relative positions of the cam assembly 11 and the instrument to be tested, so that the height of the cam assembly 11 to the height to be tested is required, and the height reference should be used as the height reference with the third curved surface S3. The required rotational speed and rotational direction are input to the electronic control system, and the cam driver 12 (variable frequency motor) is started to perform a test by operating the relevant control buttons. If the relative positions of the cam assembly 11 and the instrument to be tested have an adjustment deviation in the testing process, or the door structure 44 is opened or other faults occur in the equipment in the testing operation process, the fatigue testing equipment 100 of the eccentric and centralizer instruments can be stopped by the electronic control system through the emergency stop module, so that the personal safety of the testers is further protected. Preferably, the control system 6 can be powered by an external power distribution cabinet.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "vertical," "horizontal," "top," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. An apparatus for fatigue testing of an eccentric and centralizer-type instrument, comprising:
the well wall simulation device comprises a cam assembly and a cam driving device, wherein the driving end of the cam driving device is connected with the cam assembly and used for driving the cam assembly to rotate;
the driving end of the longitudinal adjusting device is detachably connected with the cam assembly and is used for adjusting the height of the cam assembly along the vertical direction; and
the instrument fixing device is arranged below the cam assembly and is used for placing and fixing an instrument to be tested;
the profile surface of the cam assembly at least comprises a plurality of first curved surfaces, second curved surfaces and third curved surfaces with different curvatures, wherein the first curved surfaces are used for simulating a borehole wall cavity surface, the second curved surfaces are used for simulating a borehole wall bulge surface, and the third curved surfaces are used for simulating a borehole wall smooth surface.
2. The apparatus of claim 1, wherein the cam assembly comprises a hub portion detachably connected to the drive end of the longitudinal adjustment device and a rim portion detachably sleeved on the hub portion, the profile surface being configured as an outer profile surface of the hub portion.
3. The eccentric and centralizer-type instrument fatigue test device of claim 2, wherein the material of the hub portion is metal.
4. The fatigue testing device for the eccentric and centralizer type instruments according to any one of claims 1 to 3, further comprising a device housing having a high-level mounting platform disposed therein, the well wall simulation device being disposed on the high-level mounting platform; the longitudinal adjustment device comprises:
the telescopic rod of the first telescopic mechanism passes through the high-level mounting platform along the vertical direction so as to form a telescopic rod driving end;
the cam driving device is arranged on the connecting swing arm;
one end of the connecting swing arm is hinged with the driving end of the telescopic rod, the other end of the connecting swing arm is connected with the cam assembly through a rotating shaft, and the middle part of the connecting swing arm and the high-position mounting platform form a pin joint.
5. The eccentric and centralizer-type instrument fatigue test device of claim 4, wherein the instrument fixture comprises:
the base is arranged in the equipment shell, and a linear guide rail is arranged on the base along the horizontal direction;
the bottom surface of the bottom plate is provided with a sliding block which is in sliding connection with the linear guide rail, so that the bottom plate is arranged on the base in a sliding manner along the horizontal direction; and
and the clamping parts are fixed on the bottom plate and used for clamping and fixing the instrument to be tested.
6. The fatigue testing device for the eccentric and centralizer type instrument according to claim 5, further comprising a transverse adjusting device arranged below the high-position mounting platform, wherein the driving end of the transverse adjusting device is connected with the bottom plate for adjusting the position of the bottom plate in the horizontal direction.
7. The apparatus of claim 6, wherein the lateral adjustment device comprises a second telescoping mechanism having a telescoping rod connected to the base plate in a horizontal direction.
8. The eccentric and centralizer-type instrument fatigue test device of claim 7, wherein the device housing comprises:
a frame configured as a rectangular frame; and
the wall surface is attached and fixed on the side surface formed by the rectangular frame to form a complete shell;
wherein at least one wall surface is provided with a door structure which can be opened and closed.
9. The eccentric and centralizer-type instrument fatigue testing device of claim 8, wherein the wall surface and/or the door structure are configured as a mesh structure.
10. The eccentric and centralizer-type instrument fatigue test device of claim 8, further comprising a control system comprising:
the electric control system is electrically connected with the cam driving device, the first telescopic mechanism and the second telescopic mechanism so as to supply power and control the cam driving device, the first telescopic mechanism and the second telescopic mechanism;
the emergency stop module is arranged on the door structure and is electrically connected with the electric control system, and the emergency stop module is arranged as follows: in the running process of the fatigue testing equipment of the eccentric and centralizer instruments, when the door structure is opened, the fatigue testing equipment of the eccentric and centralizer instruments can be stopped through the electric control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026892.9A CN113588249B (en) | 2021-09-02 | 2021-09-02 | Fatigue test equipment for eccentric and centralizer instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026892.9A CN113588249B (en) | 2021-09-02 | 2021-09-02 | Fatigue test equipment for eccentric and centralizer instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113588249A CN113588249A (en) | 2021-11-02 |
| CN113588249B true CN113588249B (en) | 2024-03-08 |
Family
ID=78240967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111026892.9A Active CN113588249B (en) | 2021-09-02 | 2021-09-02 | Fatigue test equipment for eccentric and centralizer instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113588249B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078669A (en) * | 2007-06-22 | 2007-11-28 | 燕山大学 | Reciprocating type pumping rod centralizer friction and wear test machine |
| CN105115708A (en) * | 2015-07-27 | 2015-12-02 | 中国石油天然气股份有限公司 | Performance parameter testing system and method for hydraulic variable diameter centralizer |
| CN105699064A (en) * | 2016-03-04 | 2016-06-22 | 中国石油集团渤海钻探工程有限公司 | Hydraulic stabilizer test apparatus |
| JP2019015566A (en) * | 2017-07-05 | 2019-01-31 | 日本精工株式会社 | Tester for eccentric rotating component |
| CN209838334U (en) * | 2019-04-22 | 2019-12-24 | 陕西纽兰德实业有限公司 | Anti-fatigue elastic casing centralizer |
| CN111721563A (en) * | 2020-06-08 | 2020-09-29 | 中国市政工程华北设计研究总院有限公司 | Performance failure test method and device for LNG air-temperature gasifier |
| CN112129501A (en) * | 2020-08-28 | 2020-12-25 | 中国石油天然气股份有限公司 | Device and method for predicting service life of sucker rod centralizer |
| CN113049285A (en) * | 2021-03-30 | 2021-06-29 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1241944B (en) * | 1990-06-27 | 1994-02-01 | Guerrero Mario Rolan Navarrete | Device and method for testing tyres in curvilinear movement |
-
2021
- 2021-09-02 CN CN202111026892.9A patent/CN113588249B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078669A (en) * | 2007-06-22 | 2007-11-28 | 燕山大学 | Reciprocating type pumping rod centralizer friction and wear test machine |
| CN105115708A (en) * | 2015-07-27 | 2015-12-02 | 中国石油天然气股份有限公司 | Performance parameter testing system and method for hydraulic variable diameter centralizer |
| CN105699064A (en) * | 2016-03-04 | 2016-06-22 | 中国石油集团渤海钻探工程有限公司 | Hydraulic stabilizer test apparatus |
| JP2019015566A (en) * | 2017-07-05 | 2019-01-31 | 日本精工株式会社 | Tester for eccentric rotating component |
| CN209838334U (en) * | 2019-04-22 | 2019-12-24 | 陕西纽兰德实业有限公司 | Anti-fatigue elastic casing centralizer |
| CN111721563A (en) * | 2020-06-08 | 2020-09-29 | 中国市政工程华北设计研究总院有限公司 | Performance failure test method and device for LNG air-temperature gasifier |
| CN112129501A (en) * | 2020-08-28 | 2020-12-25 | 中国石油天然气股份有限公司 | Device and method for predicting service life of sucker rod centralizer |
| CN113049285A (en) * | 2021-03-30 | 2021-06-29 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
Non-Patent Citations (2)
| Title |
|---|
| 基于电容耦合原理的油基泥浆电成像测井仪特性考察;于增辉;《测井技术》;20140420;第38卷(第2期);第206-210页 * |
| 水平井抽油杆扶正器结构优化和疲劳寿命分析;*** 等;《西部探矿工程》;20161215;第30-35页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113588249A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108801812A (en) | A kind of Charpy impact machine tester that the safety coefficient based on Internet of Things is high | |
| CN113588249B (en) | Fatigue test equipment for eccentric and centralizer instruments | |
| CN208751786U (en) | A kind of full-automatic testing device for the detection calibration of circuit board pressure sensor | |
| CN108519227B (en) | A kind of damper detection device | |
| CN213902794U (en) | Extension spring testing device | |
| CN107796633A (en) | A kind of electronic strut fatigue testing equipment of vehicle tail door | |
| KR101236105B1 (en) | Apparatus for specimen arranging | |
| CN203798479U (en) | Torsion tester with vibration eliminating function | |
| CN108692928B (en) | A kind of damper detection method | |
| CN216160171U (en) | A can convertible place and examine test table for environmental climate case | |
| CN209342771U (en) | A kind of electric power detection device mounting bracket easy to use | |
| CN210741795U (en) | Civil engineering structure anti-seismic test device | |
| CN209624037U (en) | A kind of novel cylinder valve fatigue experimental device | |
| CN104215447B (en) | The multi-functional testing machine of window handle | |
| CN108332965A (en) | Automobile power back door push rod test device | |
| CN112414729A (en) | Tire knocking-over resistance testing machine | |
| CN205483535U (en) | A action is confirmed quick -wittedly for detecting automobile door lock | |
| CN111272592B (en) | Be applied to portable Rockwell hardness tester's magnetism and inhale formula loading attachment | |
| CN205483531U (en) | A action affirmation equipment for detecting automobile door lock | |
| CN106908334B (en) | Insulator bending and twisting compound testing machine | |
| CN112014208A (en) | Device for testing extension force of lock head of feedback type new energy electronic lock | |
| CN207791193U (en) | Unmanned apparatus test device | |
| CN207318613U (en) | A kind of ballast board test device | |
| CN210514366U (en) | Stability test equipment | |
| CN220473272U (en) | Intensity testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |