CN211505074U - High-temperature high-speed high-current-carrying friction and wear testing machine - Google Patents
High-temperature high-speed high-current-carrying friction and wear testing machine Download PDFInfo
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- CN211505074U CN211505074U CN201922322876.9U CN201922322876U CN211505074U CN 211505074 U CN211505074 U CN 211505074U CN 201922322876 U CN201922322876 U CN 201922322876U CN 211505074 U CN211505074 U CN 211505074U
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Abstract
The utility model discloses a high-temperature high-speed high current-carrying friction wear testing machine, include base, magnetic conduction conductive connection board, go up experimental connecting axle and high-temperature furnace, the welding has the workstation on the base, be fixed with main shaft high-speed motor on the base, the last spindle drum of installing of rotating of main shaft high-speed motor, the spindle drum top is fixed with down the sample seat through first thermal-insulated magnetism that separates current subassembly, it is vice to install experimental friction down between sample seat top and the last experimental connecting axle, experimental friction is vice to be arranged in the high-temperature furnace, it is connected with the rotation of magnetic conduction conductive connection board to go up experimental connecting axle, magnetic conduction conductive connection board both ends all are fixed with the copper guide pillar, the copper guide pillar bottom is fixed with the workstation through the second thermal-insulated magnetism that separates current subassembly, it is fixed with the third thermal-insulated magnetism that separates current subassembly to go up. The utility model has the advantages of experimental load is under electrically conductive, magnetic conduction and high temperature, high speed condition, tests different material friction and wear performance.
Description
Technical Field
The utility model relates to a friction and wear test technical field specifically is a high-speed high current-carrying friction and wear testing machine of high temperature.
Background
Various frictional relative movements generate abrasion, and factors influencing the abrasion are many, such as the material, the surface shape, the frictional movement form, the working condition, the lubricating mode and the like of a friction piece. The wear resistance of the material can be compared by a friction wear test.
The existing friction and wear testing machine can not test the friction and wear performance of a testing material under the conditions of electric conduction and magnetic conduction, and the data obtained by the test is not accurate enough, so that the judgment of friction and wear is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-speed high current-carrying friction wear test machine of high temperature possesses experimental load and under electrically conductive, magnetic conduction and certain high temperature, high-speed condition, tests the advantage of different material friction wear performance, has solved the test material and can not test its friction wear performance under the condition of electrically conductive, magnetic conduction, the problem that the data that experimental obtained are accurate inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature high-speed high-current-carrying friction wear testing machine comprises a base, a magnetic-conductive and electric-conductive connecting plate, an upper testing connecting shaft, a testing force loading device and a high-temperature furnace, wherein a workbench is welded on the base, a spindle high-speed motor is fixed on the base, a spindle seat is rotatably installed on the spindle high-speed motor, a lower sample seat is fixed at the top end of the spindle seat through a first heat-insulating and magnetic-isolating current-isolating component, a testing friction pair is installed between the top end of the lower sample seat and the upper testing connecting shaft, the testing friction pair is arranged in the high-temperature furnace, the upper testing connecting shaft is rotatably connected with the magnetic-conductive connecting plate, copper guide posts are fixed at two ends of the magnetic-conductive and electric-conductive connecting plate, the bottom ends of the copper guide posts are fixed with the workbench through a second heat-insulating and magnetic-isolating current-isolating component, a third heat-insulating and magnetic-isolating current-isolating component, the friction force measuring device is provided with a friction torque measuring guide device, the test force measuring device is connected with the test force loading device, and the test force loading device is provided with a test force loading dead weight eliminating device.
Preferably, the test friction pair adopts an end face and a pin-disc friction mode, and the bottom end and the top end of the test friction pair are respectively fixed on the lower sample seat and the upper test connecting shaft.
Preferably, the high-temperature furnace is fixed on a fixed seat, and the fixed seat is integrally fixed on the workbench.
Preferably, the test force loading device is provided with a lever support seat, a test force loading lever and a test force loading actuator which are respectively fixed on the test force loading fixing device, and the test force loading device adopts a hydraulic loading mode.
Preferably, the friction force measuring device is provided with a static torque sensor.
Preferably, the test force loading dead weight eliminating device is provided with two springs and two upright columns, and the two upright columns are fixed on the base.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up first thermal-insulated magnetism that separates and separate current subassembly, the thermal-insulated magnetism that separates of second separates and separates current subassembly and the thermal-insulated magnetism that separates of third separates and separate the current subassembly, has reached test load under electrically conductive, magnetic conduction and certain high temperature, high-speed condition, test different material friction wear performance's effect, the utility model discloses be provided with first thermal-insulated magnetism that separates and separate current subassembly, the thermal-insulated magnetism that separates of second separates and separate current subassembly and the thermal-insulated magnetism that separates of third and separate current subassembly, first thermal-insulated magnetism that separates is located the spindle drum and separates between the sample seat down, the thermal-insulated magnetism that separates of second separates and separates current subassembly and is located between copper guide pillar and the workstation, the thermal-insulated magnetism that separates of third separates current subassembly is located the test connecting axle. Through the hydraulic loading mode, the test force loading actuator moves upwards to apply an upward force to the test force loading lever, the downward force acts on the test force loading device through the lever supporting seat, the test force measuring device arranged at the lower end measures the numerical value of the test force in real time, and the test force is transmitted downwards to the test friction pair. The spindle high-speed motor rotates to drive the spindle seat and the lower sample seat to rotate at a high speed, the sample is heated to a certain temperature after the high-temperature furnace is electrified, and a certain current and a magnetic field are applied to the sample after the current generator and the magnetic field generator are electrified. Thus, the upper and lower samples slide relatively under a certain pressure and a certain current and magnetic field, and the friction force measuring device measures the friction force between the upper and lower samples. The first heat-insulation, magnetic-isolation and current-isolation component, the second heat-insulation, magnetic-isolation and current-isolation component and the third heat-insulation, magnetic-isolation and current-isolation component are used for heat insulation, magnetic isolation and current isolation during testing, so that data obtained by the test are more accurate.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention.
In the figure: 1. a base; 2. a spindle high-speed motor; 3. a work table; 4. a main shaft seat; 5. a first heat-insulating, magnetic-insulating and current-insulating assembly; 6. testing friction pairs; 7. a magnetic conductive and electric conductive connecting plate; 8. an upper test connecting shaft; 9. a friction force measuring device; 10. a test force measuring device; 11. a test force loading device; 12. the test force loads the dead weight eliminating device; 13. a friction torque measurement guide device; 14. a third heat-insulating, magnetic-insulating and current-insulating component; 15. a copper guide post; 16. a high temperature furnace; 17. a lower sample holder; 18. the second heat insulation, magnetic isolation and current isolation assembly; 19. a test force loading fixture; 20. a test force loading actuator; 21. a test force loading lever; 22. a lever supporting seat; 23. a fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to fig. 2, the present invention provides an embodiment: the utility model provides a high-temperature high-speed high current-carrying friction wear testing machine, includes base 1, magnetic conduction electrically conductive connecting plate 7, goes up experimental connecting axle 8, experimental power loading device 11 and high temperature furnace 16, and the welding has workstation 3 on the base 1, and base 1 forms with workstation 3 integral welding, and is stable firm. A spindle high-speed motor 2 is fixed on the base 1, the spindle high-speed motor 2 is of a 5IK120RGN-CF model, and the spindle high-speed motor 2 is connected with a device power supply. A spindle seat 4 is rotatably arranged on the spindle high-speed motor 2, and a lower sample seat 17 is fixed at the top end of the spindle seat 4 through a first heat-insulation, magnetic-insulation and current-insulation assembly 5. The spindle seat 4 is connected with the spindle high-speed motor 2 and the lower sample seat 17, and is integrally connected with the first heat-insulation, magnetic-insulation and current-insulation component 5 and the lower sample seat 17, so that the whole dynamic balance is realized, and the stability and the reliability under high-speed operation are ensured. The first heat-insulating, magnetic-isolating and current-isolating component is made of ceramic materials and used for shielding the interference of high temperature, large current and strong magnetic field to the high-speed motor 2 of the main shaft.
A test friction pair 6 is installed between the top end of the lower sample seat 17 and the upper test connecting shaft 8, the test friction pair 6 is in an end face and pin-disc friction mode, the bottom end and the top end of the test friction pair 6 are respectively fixed on the lower sample seat 17 and the upper test connecting shaft 8, the test friction pair 6 is arranged in the high-temperature furnace 16, the high-temperature furnace 16 is fixed on the fixing seat 23, and the fixing seat 23 is integrally fixed on the workbench 3. The sample is arranged on the test friction pair 6, and the sample is heated to a certain temperature after the high-temperature furnace 16 is electrified.
The upper test connecting shaft 8 is rotatably connected with the magnetic conductive and conductive connecting plate 7, copper guide pillars 15 are fixed at two ends of the magnetic conductive and conductive connecting plate 7, and the bottom ends of the copper guide pillars 15 are fixed with the workbench 3 through second heat insulation, magnetic isolation and current isolation components 18.
The top end of the upper test connecting shaft 8 is fixed with a third heat-insulation, magnetic-insulation and current-insulation assembly 14, the top end of the upper test connecting shaft 8 is respectively connected with a test force measuring device 10 and a friction force measuring device 9 in series, the friction force measuring device 9 is provided with a static torque sensor, and the mechanical structure of the friction force measuring device 9 shields the influence of axial force on the friction force sensor. The friction force sensor is of a JHBH model, a friction torque measurement guiding device 13 is arranged at the position of the friction force measuring device 9, the test force measuring device 10 is connected with the test force loading device 11, the test force loading device 11 is provided with a lever supporting seat 22, a test force loading lever 21 and a test force loading actuator 20, the lever supporting seat 22, the test force loading lever 21 and the test force loading actuator are respectively fixed on the test force loading fixing device 19, and the test force loading device 11 adopts a hydraulic loading mode. The test force loading device 11 is provided with a test force loading dead weight eliminating device 12, the test force loading dead weight eliminating device 12 is provided with two springs and two upright posts, the two upright posts are fixed on the base 1, and the dead weight of the test force loading device 11 is eliminated by the upward force of the spring on the test force loading device 11.
Through the mode of hydraulic pressure loading, test force loading actuator 20 moves upwards, gives test force loading lever 21 an ascending force, acts on test force loading device 11 a decurrent force through lever supporting seat 22, and test force measuring device 10 that the lower extreme was equipped with measures the numerical value of test force in real time, and test force transmits to test friction pair 6 downwards. The spindle high-speed motor 2 rotates to drive the spindle seat 4 and the lower sample seat 17 to rotate at a high speed, the high-temperature furnace 16 is electrified to heat the sample to a certain temperature, and the current generator and the magnetic field generator on the test force loading device 11 are electrified to pass a certain current and a certain magnetic field for the sample. Thus, the upper and lower samples slide relatively under a certain pressure and a certain current and magnetic field, and the friction force measuring device 9 measures the friction force between the upper and lower samples. The first heat-insulation, magnetic-insulation and current-isolation component 5, the second heat-insulation, magnetic-insulation and current-isolation component 18 and the third heat-insulation, magnetic-insulation and current-isolation component 14 insulate heat, magnetic and isolate current during testing, so that data obtained by the test are more accurate.
The working principle is as follows: the test force loading actuator 20 moves upwards to apply an upward force to the test force loading lever 21, a downward force acts on the test force loading device 11 through the lever supporting seat 22, the test force measuring device 10 arranged at the lower end measures the numerical value of the test force in real time, and the test force is transmitted downwards to the test friction pair 6. The spindle high-speed motor 2 rotates to drive the spindle seat 4 and the lower sample seat 17 to rotate at a high speed, the high-temperature furnace 16 is electrified to heat the sample to a certain temperature, and the current generator and the magnetic field generator on the test force loading device 11 are electrified to pass a certain current and a certain magnetic field for the sample. Thus, the upper and lower samples slide relatively under a certain pressure and a certain current and magnetic field, and the friction force measuring device 9 measures the friction force between the upper and lower samples.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high-speed high current-carrying friction wear test machine of high temperature, includes base (1), magnetic conduction electrically conductive connecting plate (7), goes up experimental connecting axle (8), experimental power loading device (11) and high temperature furnace (16), its characterized in that: the testing device is characterized in that a workbench (3) is welded on the base (1), a spindle high-speed motor (2) is fixed on the base (1), a spindle seat (4) is rotatably mounted on the spindle high-speed motor (2), a lower sample seat (17) is fixed at the top end of the spindle seat (4) through a first heat-insulation and magnetic-isolation current-isolation component (5), a testing friction pair (6) is mounted between the top end of the lower sample seat (17) and an upper testing connecting shaft (8), the testing friction pair (6) is arranged in a high-temperature furnace (16), the upper testing connecting shaft (8) is rotatably connected with a magnetic-conduction and electric-conduction connecting plate (7), copper guide pillars (15) are fixed at two ends of the magnetic-conduction and electric-conduction connecting plate (7), the bottom end of each copper guide pillar (15) is fixed with the workbench (3) through a second heat-insulation and magnetic-isolation current-isolation component (18), and a third heat-insulation and magnetic-isolation current-isolation component, go up experimental connecting axle (8) top and establish ties respectively and have experimental power measuring device (10) and frictional force measuring device (9), frictional force measuring device (9) department is provided with friction torque and measures guider (13), experimental power measuring device (10) are connected with experimental power loading device (11), install experimental power loading dead weight remove device (12) on experimental power loading device (11).
2. The high-temperature high-speed high-current-carrying friction-wear testing machine according to claim 1, characterized in that: the test friction pair (6) adopts an end face and pin-disc friction form, and the bottom end and the top end of the test friction pair (6) are respectively fixed on the lower sample seat (17) and the upper test connecting shaft (8).
3. The high-temperature high-speed high-current-carrying friction-wear testing machine according to claim 1, characterized in that: the high-temperature furnace (16) is fixed on the fixed seat (23), and the fixed seat (23) is integrally fixed on the workbench (3).
4. The high-temperature high-speed high-current-carrying friction-wear testing machine according to claim 1, characterized in that: the test force loading device (11) is provided with a lever supporting seat (22), a test force loading lever (21) and a test force loading actuator (20) which are respectively fixed on the test force loading fixing device (19), and the test force loading device (11) adopts a hydraulic loading mode.
5. The high-temperature high-speed high-current-carrying friction-wear testing machine according to claim 1, characterized in that: the friction force measuring device (9) is provided with a static torque sensor.
6. The high-temperature high-speed high-current-carrying friction-wear testing machine according to claim 1, characterized in that: the test force loading dead weight eliminating device (12) is provided with two springs and two upright columns, and the two upright columns are fixed on the base (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922322876.9U CN211505074U (en) | 2019-12-23 | 2019-12-23 | High-temperature high-speed high-current-carrying friction and wear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922322876.9U CN211505074U (en) | 2019-12-23 | 2019-12-23 | High-temperature high-speed high-current-carrying friction and wear testing machine |
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| CN211505074U true CN211505074U (en) | 2020-09-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414877A (en) * | 2020-10-21 | 2021-02-26 | 华东交通大学 | Current-carrying frictional wear test system capable of controlling temperature and humidity and control method thereof |
| CN112881223A (en) * | 2021-01-18 | 2021-06-01 | 中国人民解放军海军工程大学 | Sliding contact and frictional wear characteristic test platform for electromagnetic rail transmitter |
-
2019
- 2019-12-23 CN CN201922322876.9U patent/CN211505074U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414877A (en) * | 2020-10-21 | 2021-02-26 | 华东交通大学 | Current-carrying frictional wear test system capable of controlling temperature and humidity and control method thereof |
| CN112414877B (en) * | 2020-10-21 | 2023-08-11 | 华东交通大学 | Current-carrying frictional wear test system capable of controlling temperature and humidity and control method thereof |
| CN112881223A (en) * | 2021-01-18 | 2021-06-01 | 中国人民解放军海军工程大学 | Sliding contact and frictional wear characteristic test platform for electromagnetic rail transmitter |
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