CN111948077A - High-temperature high-pressure composite fretting wear test device - Google Patents

High-temperature high-pressure composite fretting wear test device Download PDF

Info

Publication number
CN111948077A
CN111948077A CN202010744486.5A CN202010744486A CN111948077A CN 111948077 A CN111948077 A CN 111948077A CN 202010744486 A CN202010744486 A CN 202010744486A CN 111948077 A CN111948077 A CN 111948077A
Authority
CN
China
Prior art keywords
sample
kettle body
fretting wear
wear test
test device
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.)
Pending
Application number
CN202010744486.5A
Other languages
Chinese (zh)
Inventor
周泓全
张小康
杨中燕
王庆东
孙晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Cor Force Stress Corrosion Testing Equipment Co ltd
Original Assignee
Shanghai Cor Force Stress Corrosion Testing Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Cor Force Stress Corrosion Testing Equipment Co ltd filed Critical Shanghai Cor Force Stress Corrosion Testing Equipment Co ltd
Publication of CN111948077A publication Critical patent/CN111948077A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0005—Repeated or cyclic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G01N2203/0226—High temperature; Heating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/023—Pressure
    • G01N2203/0232—High pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0676—Force, weight, load, energy, speed or acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0682—Spatial dimension, e.g. length, area, angle

Abstract

The invention provides a high-temperature high-pressure composite fretting wear test device, which comprises a main frame and a motion main body arranged on the main frame, wherein the motion main body comprises a kettle body, a kettle cover and a driving device, the kettle body and the kettle cover form a closed chamber, and the motion main body also comprises: the pull rod shaft penetrates through the kettle body in the first direction, a second sample clamp is arranged on the part, located in the cavity of the kettle body, of the pull rod shaft, and two sides of the second sample clamp are used for clamping a second sample; the first loading shaft penetrates through the right side of the kettle body in the second direction, a first sample clamp is arranged at the first end, located in the cavity of the kettle body, of the first loading shaft, and the first sample clamp is used for clamping a first sample; and the second loading shaft penetrates through the left side of the kettle body in the second direction, a third sample clamp is arranged at the first end, located in the cavity of the kettle body, of the second loading shaft, and the third sample clamp is used for clamping a third sample. The invention can realize the simulation of the composite fretting wear test under the high-temperature and high-pressure environment.

Description

High-temperature high-pressure composite fretting wear test device
Technical Field
The invention relates to the technical field of stress corrosion material research, in particular to a high-temperature high-pressure composite fretting wear test device.
Background
With the development of material science in China, the fretting wear of materials is increasingly deeply researched, and the needs of advanced industries such as nuclear power, aerospace and the like on the research of materials are met. At present, a plurality of devices such as independent radial impact fretting wear or independent tangential fretting wear appear in the market, and the devices can not well simulate the actual working condition. The method is technically difficult to simulate the actual working condition, realize the composite fretting wear of radial impact fretting wear and tangential fretting wear at high temperature and high pressure at high frequency, and accurately measure and control the fretting amplitude and frequency of the fretting wear.
The existing high-temperature high-pressure composite fretting wear equipment in the domestic industry at present or the corresponding equipment on the market at present has the following defects:
1. the equipment is simple, the kettle body is vertically arranged, the driving mechanism adopts a mechanical type or an electromagnetic vibration exciter and the like, and the driving force or the vibration frequency is small. In addition, the equipment has larger vibration, which causes great interference to the measurement and influences the measurement precision of the data.
2. The device has single function and is only suitable for simulating single working condition, such as single tangential fretting wear or single radial impact wear.
3. The test efficiency is low, and the fretting wear of only one set of sample can be tested simultaneously.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a high-temperature high-pressure composite fretting wear test device, which solves the difficulty that the composite fretting of radial impact fretting and tangential fretting cannot be simultaneously carried out under high temperature and high pressure in the current industry, realizes the composite fretting wear under the high-temperature high-pressure environment and has high test efficiency.
In order to solve the above problems, in a first aspect, the present invention provides a high-temperature and high-pressure composite fretting wear test apparatus, including a main frame and a moving main body mounted on the main frame, where the moving main body includes a kettle body, a kettle cover and a driving device, the kettle body and the kettle cover form a closed chamber, and the moving main body further includes:
the pull rod shaft penetrates through the kettle body in the first direction, a second sample clamp is arranged on the part, located in the cavity of the kettle body, of the pull rod shaft, and two sides of the second sample clamp are used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, a first sample clamp is arranged at the first end, located in the cavity of the kettle body, of the first loading shaft, and the first sample clamp is used for clamping a first sample;
the second loading shaft penetrates through the left side of the kettle body in the second direction, a third sample clamp is arranged at the first end, located in the cavity of the kettle body, of the second loading shaft, and the third sample clamp is used for clamping a third sample;
under the working state of the high-temperature high-pressure composite fretting wear test device, the driving device can drive a first sample clamped by the first sample clamp and a third sample clamped by the third sample clamp to simultaneously perform fretting wear tests in a first direction and a second direction with a second sample clamped at two sides of the second sample clamp respectively.
Optionally, the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample, the first sample and the third sample make a slight reciprocating motion in the vertical direction, so as to realize periodic impact or constant loading in the horizontal direction.
Optionally, four through holes are symmetrically distributed around the kettle body, the four through holes are arranged up and down, the pull rod shaft penetrates through the upper through hole and the lower through hole of the kettle body in the vertical direction, the first loading shaft penetrates through the right through hole of the kettle body, and the second loading shaft penetrates through the left through hole of the kettle body.
Optionally, the first end of the first loading shaft is mounted on a first auxiliary supporting device arranged in the kettle body, and the first end of the second loading shaft is mounted on a second auxiliary supporting device arranged in the kettle body.
Optionally, the first loading shaft is disposed coaxially with the second loading shaft.
Alternatively, the second sample holder may be provided on both sides thereof for holding a plate-like second sample, and the first and third sample holders may be provided for holding tubular or spherical first and third samples.
Optionally, two ends of the pull rod shaft are respectively connected with a force sensor, and second ends of the first loading shaft and the second loading shaft, which are far away from the kettle body, are respectively connected with a force sensor.
Optionally, one end of the force sensor is connected with a connecting shaft, and the other end of the connecting shaft is connected with the driving device.
Optionally, the connecting shaft is further connected with a guiding device, the guiding device is mounted on the fixing base, and the guiding device plays a role in guiding and preventing rotation.
Optionally, the main frame includes mounting panel, platform, right stand, entablature, left stand and bottom end rail, wherein the mounting panel passes through the bolt vertical fixation on left and right stand, the motion main part is vertical to be installed on the mounting panel.
Optionally, a measuring chuck is mounted on the second sample clamp, two ends of the measuring chuck respectively clamp a vertically mounted measuring rod, and the measuring rods can directly measure the vertical amplitude of the sample in the kettle in cooperation with the LVDT displacement sensors on the two sides.
In a second aspect, the present invention further provides a high temperature and high pressure composite fretting wear test apparatus, including a main frame and a moving main body installed on the main frame, where the moving main body includes a kettle body, a kettle cover and a driving device, the kettle body and the kettle cover form a closed chamber, and the moving main body further includes:
the pull rod shaft penetrates through the kettle body in the first direction, and a second sample clamp is arranged on a part of the pull rod shaft, which is positioned in the cavity of the kettle body, and is used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, a first sample clamp is arranged at the first end, located in the cavity of the kettle body, of the first loading shaft, and the first sample clamp is used for clamping a first sample;
the second loading shaft penetrates through the left side of the kettle body in the second direction, and is positioned at the first end of the cavity of the kettle body and fixedly connected with the second sample clamp;
under the working state of the high-temperature high-pressure composite fretting wear test device, the driving device can drive a first sample clamped by the first sample clamp and a second sample clamped by the second sample clamp to simultaneously perform fretting wear tests in a first direction and a second direction.
Optionally, the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample and the first sample make a slight reciprocating motion in the vertical direction, so as to realize periodic impact or constant loading in the horizontal direction.
Optionally, the first end of the first loading shaft is mounted on a first auxiliary supporting device arranged in the kettle body, and the first end of the second loading shaft is mounted on a second auxiliary supporting device arranged in the kettle body.
In a third aspect, the present invention further provides a high temperature and high pressure composite fretting wear test apparatus, including a main frame and a moving main body installed on the main frame, where the moving main body includes a kettle body, a kettle cover and a driving device, the kettle body and the kettle cover form a closed chamber, and the moving main body further includes:
the pull rod shaft penetrates through the kettle body in the first direction, and a second sample clamp is arranged on a part of the pull rod shaft, which is positioned in the cavity of the kettle body, and is used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, and the first loading shaft is positioned at the first end of the cavity of the kettle body and fixedly connected with the second sample clamp;
the second loading shaft penetrates through the left side of the kettle body in the second direction, a third sample clamp is arranged at the first end, located in the cavity of the kettle body, of the second loading shaft, and the third sample clamp is used for clamping a third sample;
and under the working state of the high-temperature and high-pressure composite fretting wear test device, the driving device can drive a second sample clamped by the second sample clamp and a third sample clamped by the third sample clamp to simultaneously perform fretting wear tests in the first direction and the second direction.
Optionally, the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample and the third sample make a slight reciprocating motion in the vertical direction, so as to realize periodic impact or constant loading in the horizontal direction.
Optionally, the first end of the first loading shaft is mounted on a first auxiliary supporting device arranged in the kettle body, and the first end of the second loading shaft is mounted on a second auxiliary supporting device arranged in the kettle body.
Compared with the prior art, the invention has the following beneficial effects:
1. the driving device can drive the first sample clamped by the first sample clamp, the third sample clamped by the third sample clamp and the second sample clamped by the two sides of the second sample clamp to simultaneously carry out the fretting wear tests in the first direction and the second direction respectively under the working state of the high-temperature high-pressure composite fretting wear test device.
2. According to the high-temperature high-pressure composite fretting wear test device, the second sample is clamped on both sides of the second sample clamp, and fretting wear is respectively carried out on the second sample clamp and the first sample and the third sample clamped on the first sample clamp and the second sample clamp, so that fretting wear of two sets of samples can be carried out simultaneously, and the test efficiency is improved.
3. According to test requirements, a second sample clamp of the high-temperature high-pressure composite fretting wear test device can be fixed with a first loading shaft or a second loading shaft through a mounting connecting piece, a second sample can be mounted on the left side or the right side of the second sample clamp, the second sample can be subjected to fretting wear tests with a first sample mounted at the first end of the first loading shaft or a third sample mounted at the first end of the second loading shaft, and therefore simulation of high-temperature high-pressure composite fretting wear simulation tests of a single set of samples in the first direction and the second direction can be achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a block diagram of a high temperature and high pressure composite fretting wear test device provided in an embodiment of the present invention;
FIG. 2 is a main frame structure diagram of the high-temperature high-pressure composite fretting wear test device provided by the embodiment of the invention;
FIG. 3 is a cross-sectional view of a moving body of the high-temperature high-pressure composite fretting wear test device provided by the embodiment of the invention;
FIG. 4 is a structural diagram of the measurement of the vibration pair and the inside of the kettle body;
FIG. 5 is a sectional view of the measurement in the tank and the vibration pair;
fig. 6 is a structural diagram of a main frame according to another embodiment of the present invention.
Description of reference numerals: 1: a main frame; 2: a motion body; 3: a kettle cover; 4: mounting a plate; 5: a platform; 6: a right upright post; 7: an upper cross beam; 8: a left upright post; 9: a lower cross beam; 10. 37: a hydraulic cylinder; 11. 21, 23, 36: a fixed seat; 12. 20, 28, 35: a guide device; 13. 19, 27, 34: a connecting shaft; 14. 18, 26, 33: a force sensor; 15. 17, 24, 32: a cooling jacket; 16: a first loading shaft; 22: a kettle body; 25: a second loading shaft; 29: a threaded loading shaft; 30: a hand wheel; 31: a pull rod shaft; 38. 40: an LVDT displacement sensor arrangement; 39. 41: a measuring rod; 42: a measuring chuck; 43: a first auxiliary support device; 44: a first sample holder; 45: a second sample holder; 46: a second auxiliary support device; 47: and a third sample holder.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Fig. 1 is a structural diagram of a high-temperature high-pressure composite fretting wear test device provided in an embodiment of the present invention, and fig. 2 is a structural diagram of a main frame of the high-temperature high-pressure composite fretting wear test device provided in an embodiment of the present invention; as shown in fig. 1 and 2, the high-temperature high-pressure composite fretting wear test device of the present invention comprises: main frame 1 and install motion main part 2 on main frame 1, main frame 1 includes mounting panel 4, platform 5, right stand 6, entablature 7, left stand 8 and bottom end rail 9, wherein, mounting panel 4 passes through the bolt vertical fixation in left and right stand 6, 8 on, motion main part 2 is vertical to be installed on mounting panel 4. In the embodiment, the mounting plate 4 is formed by processing a whole plate, so that the size mounting precision of main operation parts of the device is ensured, the strength is ensured, and the measurement error caused by vibration is reduced.
In addition, in an alternative embodiment, the overall structure of the main frame 1 is unchanged, and the structures of the left and right upright posts can be slightly modified and modified as shown in fig. 6.
Fig. 3 is a cross-sectional view of a moving body of the high-temperature high-pressure composite fretting wear test device provided by the embodiment of the invention, as shown in fig. 3, the moving body 2 includes a kettle body 22, a kettle cover 3 and a driving device, and the kettle body 22 and the kettle cover 3 form a closed chamber. Four through holes are symmetrically distributed around the kettle body 22.
Specifically, the hydraulic cylinder 10 is installed on the fixing seat 11, the piston rod of the hydraulic cylinder 10 is connected with the connecting shaft 13 through the guide device 12, the force sensor 14 is connected between the connecting shaft 13 and the first loading shaft 16, the cooling jacket 15 is installed outside the first loading shaft 16 and the force sensor 14, the cooling jacket 15 is fixed on the kettle body 22, and the first sample clamp is installed at the first end, located in the cavity of the kettle body, of the first loading shaft 16. The cooling jacket 15 serves to reduce the temperature of the space around the cooling jacket. The guide device 12 plays a role in guiding and preventing rotation and is used for restricting the radial (horizontal) loading mechanism from reciprocating. The hydraulic cylinder 10 provides a driving force and a displacement in a radial direction, high-frequency reciprocating motion or required loading force can be maintained through a hydraulic servo valve and a corresponding controller, and the force sensor 14 is used for measuring the loading force in real time.
Similarly, the hydraulic cylinder 37 is mounted on the fixed seat 36, the piston rod of the hydraulic cylinder 37 is connected with the connecting shaft 34 by the guide device 35, the force sensor 33 is connected between the connecting shaft 34 and the pull rod shaft 31, the cooling jacket 32 is mounted outside the pull rod shaft 31 and the force sensor 33, the pull rod shaft 31 penetrates through the upper through hole and the lower through hole of the kettle body in the tangential direction (vertical direction), the lower end of the pull rod shaft 31 is connected with the force sensor 33, the upper end of the pull rod shaft 31 is connected with the force sensor 18, the other end of the force sensor 18 is connected with the connecting shaft 19, the guide device 20 is mounted on the fixed seat 21 and connected with the connecting shaft 19, and the guide device 20 and the guide device 35 are used for restraining. And a second sample clamp is arranged on the part of the pull rod shaft 31 positioned in the cavity of the kettle body.
The hand wheel 30 is installed in screw thread loading axle 29 one end, and screw thread loading axle 29 one end is connected with guider 28 through joint bearing, and guider 28 is fixed in on fixing base 23, and guider 28 connects connecting axle 27 simultaneously, inserts force sensor 26 between connecting axle 27 and the second loading axle 25, and the third sample anchor clamps are installed to the first end that second loading axle 25 is located the cauldron body cavity. The second loading shaft 25 and the force sensor 26 are externally provided with a cooling jacket 24, and the rotating motion between the threaded loading shaft 29 and the fixed seat 23 is converted into horizontal motion through rotating threads, so that horizontal driving force is provided.
In an alternative embodiment, a hydraulic cylinder can be used as the drive instead of the hand wheel 30.
The first loading shaft 16 penetrates through a through hole at the right side of the kettle body 22, and the second loading shaft 25 penetrates through a through hole at the left side of the kettle body. The first end of the first loading shaft 16 and the first end of the second loading shaft 25, which are positioned in the cavity of the kettle body, are respectively provided with a first sample clamp and a third sample clamp, the pull rod shaft 31 penetrates through the upper through hole and the lower through hole of the kettle body 22 in the vertical direction, and the part of the pull rod shaft 31, which is positioned in the cavity of the kettle body, is provided with a second sample clamp.
Fig. 4 is a structural diagram of measurement of the inside of the kettle body and the vibration pair, fig. 5 is a sectional view of measurement of the inside of the kettle body and the vibration pair, as shown in fig. 4 and fig. 5, the LVDT displacement measuring device 38 and the LVDT displacement measuring device 40 are installed outside the kettle body 22 and are respectively connected with a measuring chuck 42 through measuring rods 39 and 41, and the measuring chuck 42 is fixed on a second sample clamp 45. According to the invention, the second sample clamp 45 is provided with the measuring chuck 42, the two ends of the chuck respectively clamp the measuring rods 39 and 41, the measuring rods can be matched with the LVDT displacement sensors at the two sides to directly measure the vertical amplitude (reciprocating displacement) of the sample in the kettle body, and the measured data is more accurate than the data measured by a single LVDT through data processing. And the measuring rod is vertically installed, so that the vibration caused by the dead weight of the measuring rod during horizontal installation is avoided.
A first sample holder 44 is fixed to a first end of the first loading shaft 16 and is supported by a first auxiliary support device 43 in the tank, and a third sample holder 47 is fixed to a first end of the second loading shaft 25 and is supported by a second auxiliary support device 46 in the tank. The second sample clamp 45 is fixed with the pull rod shaft 31, the pull rod shaft 31 drives the second sample clamp 45 to reciprocate up and down under the driving of the hydraulic cylinder 37, the second samples clamped on two sides of the second sample clamp 45 and the first samples clamped by the first sample clamp 44 and the third samples clamped by the third sample clamp 47 form relative motion, specifically, the small reciprocating motion (up and down vibration) is carried out in the first direction, namely the vertical direction, and the periodic impact or constant loading is realized in the second direction, namely the horizontal direction, so that the high-temperature and high-pressure composite fretting wear test in the first direction and the second direction can be simultaneously carried out. And the fretting wear of two sets of samples can be simultaneously carried out, so that the test efficiency is improved. In an embodiment of the present invention, the second sample is a plate-like sample, and the first and third samples are tubular or spherical samples.
In the present embodiment, the first loading shaft 16 is disposed coaxially with the second loading shaft 25.
In an alternative embodiment, the second sample clamp 45 may be fixed to the first loading shaft 16 or the second loading shaft 25 by a mounting connector, and the second sample may be mounted only on the left side or the right side of the second sample clamp 45, and the second sample may be subjected to an fretting test with the first sample mounted at the first end of the first loading shaft 16 or the third sample mounted at the first end of the second loading shaft 25, so that a high-temperature and high-pressure composite fretting simulation test of a single set of samples in the first direction and the second direction may also be realized.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (17)

1. The utility model provides a compound fretting wear test device of high temperature high pressure which characterized in that includes: main frame and install the motion main part on the main frame, the motion main part includes the cauldron body, kettle cover and drive arrangement, the cauldron body forms a airtight chamber with the kettle cover, the motion main part still includes:
the pull rod shaft penetrates through the kettle body in the first direction, a second sample clamp is arranged on the part, located in the cavity of the kettle body, of the pull rod shaft, and two sides of the second sample clamp are used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, a first sample clamp is arranged at the first end, located in the cavity of the kettle body, of the first loading shaft, and the first sample clamp is used for clamping a first sample;
the second loading shaft penetrates through the left side of the kettle body in the second direction, a third sample clamp is arranged at the first end, located in the cavity of the kettle body, of the second loading shaft, and the third sample clamp is used for clamping a third sample;
under the working state of the high-temperature high-pressure composite fretting wear test device, the driving device can drive a first sample clamped by the first sample clamp and a third sample clamped by the third sample clamp to simultaneously perform fretting wear tests in a first direction and a second direction with a second sample clamped at two sides of the second sample clamp respectively.
2. The high-temperature high-pressure composite fretting wear test device according to claim 1, wherein the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample, the first sample and the third sample make a slight reciprocating motion in the vertical direction to realize periodic impact or constant loading in the horizontal direction.
3. The high-temperature high-pressure composite fretting wear test device of claim 2, wherein four through holes are symmetrically distributed around the kettle body, the pull rod shaft penetrates through the upper through hole and the lower through hole of the kettle body in the vertical direction, the first loading shaft penetrates through the right through hole of the kettle body, and the second loading shaft penetrates through the left through hole of the kettle body.
4. The high-temperature high-pressure composite fretting wear test device according to claim 1, wherein a first end of the first loading shaft is mounted on a first auxiliary support device arranged in the kettle body, and a first end of the second loading shaft is mounted on a second auxiliary support device arranged in the kettle body.
5. The high temperature and high pressure composite fretting wear test device of claim 1, wherein the first loading shaft is coaxially disposed with the second loading shaft.
6. A high-temperature high-pressure composite fretting wear test device according to claim 1, wherein a plate-like second sample is clamped on both sides of the second sample clamp, and the first and third sample clamps are used for clamping tubular or spherical first and third samples.
7. The high-temperature high-pressure composite fretting wear test device according to any one of claims 1 to 6, wherein force sensors are respectively connected to two ends of the pull rod shaft, and force sensors are respectively connected to second ends of the first and second loading shafts, which are far away from the kettle body.
8. The high-temperature high-pressure composite fretting wear test device according to claim 7, wherein one end of the force sensor is connected with a connecting shaft, and the other end of the connecting shaft is connected with the driving device.
9. The high-temperature high-pressure composite fretting wear test device according to claim 8, wherein the connecting shaft is further connected with a guiding device, the guiding device is mounted on the fixing base, and the guiding device plays a role in guiding and preventing rotation.
10. The high-temperature high-pressure composite fretting wear test device according to claim 1, wherein the main frame comprises a mounting plate, a platform, a right upright post, an upper cross beam, a left upright post and a lower cross beam, wherein the mounting plate is vertically fixed on the left and right upright posts through bolts, and the moving body is vertically mounted on the mounting plate.
11. The high-temperature high-pressure composite fretting wear test device according to claim 1, wherein the second sample clamp is provided with a measuring chuck, two ends of the measuring chuck respectively clamp a vertically arranged measuring rod, and the measuring rods can directly measure the vertical amplitude of the sample in the kettle by matching with the LVDT displacement sensors on two sides.
12. The utility model provides a compound fretting wear test device of high temperature high pressure which characterized in that includes: main frame and install the motion main part on the main frame, the motion main part includes the cauldron body, kettle cover and drive arrangement, the cauldron body forms a airtight chamber with the kettle cover, the motion main part still includes:
the pull rod shaft penetrates through the kettle body in the first direction, and a second sample clamp is arranged on a part of the pull rod shaft, which is positioned in the cavity of the kettle body, and is used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, a first sample clamp is arranged at the first end, located in the cavity of the kettle body, of the first loading shaft, and the first sample clamp is used for clamping a first sample;
the second loading shaft penetrates through the left side of the kettle body in the second direction, and is positioned at the first end of the cavity of the kettle body and fixedly connected with the second sample clamp;
under the working state of the high-temperature high-pressure composite fretting wear test device, the driving device can drive a first sample clamped by the first sample clamp and a second sample clamped by the second sample clamp to simultaneously perform fretting wear tests in a first direction and a second direction.
13. The high-temperature high-pressure composite fretting wear test device according to claim 12, wherein the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample and the first sample make a slight reciprocating motion in the vertical direction to realize periodic impact or constant loading in the horizontal direction.
14. The high-temperature high-pressure composite fretting wear test device of claim 12, wherein the first end of the first loading shaft is mounted on a first auxiliary support device arranged in the kettle body, and the first end of the second loading shaft is mounted on a second auxiliary support device arranged in the kettle body.
15. The utility model provides a compound fretting wear test device of high temperature high pressure which characterized in that includes: main frame and install the motion main part on the main frame, the motion main part includes the cauldron body, kettle cover and drive arrangement, the cauldron body forms a airtight chamber with the kettle cover, the motion main part still includes:
the pull rod shaft penetrates through the kettle body in the first direction, and a second sample clamp is arranged on a part of the pull rod shaft, which is positioned in the cavity of the kettle body, and is used for clamping a second sample;
the first loading shaft penetrates through the right side of the kettle body in the second direction, and the first loading shaft is positioned at the first end of the cavity of the kettle body and fixedly connected with the second sample clamp;
the second loading shaft penetrates through the left side of the kettle body in the second direction, a third sample clamp is arranged at the first end, located in the cavity of the kettle body, of the second loading shaft, and the third sample clamp is used for clamping a third sample;
and under the working state of the high-temperature and high-pressure composite fretting wear test device, the driving device can drive a second sample clamped by the second sample clamp and a third sample clamped by the third sample clamp to simultaneously perform fretting wear tests in the first direction and the second direction.
16. The high-temperature high-pressure composite fretting wear test device according to claim 15, wherein the first direction is a vertical direction, the second direction is a horizontal direction, and the second sample and the third sample make a slight reciprocating motion in the vertical direction to realize periodic impact or constant loading in the horizontal direction.
17. The high-temperature high-pressure composite fretting wear test device of claim 15, wherein the first end of the first loading shaft is mounted on a first auxiliary support device arranged in the kettle body, and the first end of the second loading shaft is mounted on a second auxiliary support device arranged in the kettle body.
CN202010744486.5A 2020-07-27 2020-07-29 High-temperature high-pressure composite fretting wear test device Pending CN111948077A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021503246 2020-07-27
CN2020215032468 2020-07-27

Publications (1)

Publication Number Publication Date
CN111948077A true CN111948077A (en) 2020-11-17

Family

ID=73338456

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202021531904.4U Active CN213456517U (en) 2020-07-27 2020-07-29 Force measuring device under high-temperature and high-pressure environment
CN202010744486.5A Pending CN111948077A (en) 2020-07-27 2020-07-29 High-temperature high-pressure composite fretting wear test device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202021531904.4U Active CN213456517U (en) 2020-07-27 2020-07-29 Force measuring device under high-temperature and high-pressure environment

Country Status (1)

Country Link
CN (2) CN213456517U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112683650A (en) * 2020-12-09 2021-04-20 国核电站运行服务技术有限公司 Normal fretting wear test device for high-temperature and high-pressure water environment
CN112748653A (en) * 2020-12-31 2021-05-04 邯郸铭朝贸易有限公司 Intelligent device for simultaneously detecting air tightness and friction resistance of dial plate for watch

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115876368A (en) * 2022-12-28 2023-03-31 中机试验装备股份有限公司 Force sensor for high-temperature and high-pressure water environment and assembling method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112683650A (en) * 2020-12-09 2021-04-20 国核电站运行服务技术有限公司 Normal fretting wear test device for high-temperature and high-pressure water environment
CN112748653A (en) * 2020-12-31 2021-05-04 邯郸铭朝贸易有限公司 Intelligent device for simultaneously detecting air tightness and friction resistance of dial plate for watch

Also Published As

Publication number Publication date
CN213456517U (en) 2021-06-15

Similar Documents

Publication Publication Date Title
CN111948077A (en) High-temperature high-pressure composite fretting wear test device
CN103017992B (en) Device and method for measuring static rigidity of rolling linear guide rail pair
CN106483020B (en) High-temperature high-pressure fretting fatigue testing machine
AU2020101815A4 (en) An experimental instrument for rock mass tension and compression synergy
CN104931366A (en) Fretting fatigue testing method allowing contact load to be adjusted in real time and testing machine adopting fretting fatigue testing method
CN201191257Y (en) Portable press fit instrument
CN110095240B (en) Auxiliary loading device for rigidity test of turbine engine case
CN202735181U (en) Tangential and radial recombination fretting wear test device
CN106370532B (en) Outdoor environment-tension, compression and bending load coupling test device in alpine climate
CN209878482U (en) Device for testing fatigue mechanical properties of material under tensile-bending composite load
CN106996897B (en) Neutron diffraction height Wen Cejiao instrument and special mechanical loading device thereof
CN105158057A (en) Apparatus and method for testing in-situ triaxial tension fatigue under multi-field coupling
CN204666454U (en) A kind of fretting fatigue testing machine of contact load real-time, tunable
CN113358487A (en) Device and method for testing high-temperature low-cycle fatigue performance of rotor blade
CN209485644U (en) A kind of bolt group connection vibration reliability experimental provision
CN202974605U (en) Rolling linear guide rail pair static stiffness measuring device
CN212693515U (en) High-temperature high-pressure composite fretting wear test device
CN106644329B (en) 120MN bridge support testing machine for high-precision dynamic measurement
CN210802890U (en) Testing device
CN209215110U (en) A kind of experimental rig of the uniaxial tensile test suitable for viscoelastic material
CN111272557A (en) Metal material compression creep testing device and measuring method
CN111122266A (en) Device for generating specific local geometric initial defects on outer surface of pipeline
CN113776958B (en) Roller bending device for bending test
CN205910083U (en) Dash smooth compound friction and wear test device
CN105115707A (en) Testing device and testing method for dynamic characteristic of joint curved surface faying surface

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