CN214794181U - Non-oriented silicon steel creep performance testing device - Google Patents
Non-oriented silicon steel creep performance testing device Download PDFInfo
- Publication number
- CN214794181U CN214794181U CN202120638252.2U CN202120638252U CN214794181U CN 214794181 U CN214794181 U CN 214794181U CN 202120638252 U CN202120638252 U CN 202120638252U CN 214794181 U CN214794181 U CN 214794181U
- Authority
- CN
- China
- Prior art keywords
- base
- silicon steel
- sample
- creep
- force
- 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
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a creep property testing device of non-oriented silicon steel, which comprises a base, wherein the top and the side surface of the base are provided with openings; the sample clamping device is arranged at the top of the base and is used for clamping a silicon steel creep sample; the conversion force rod is arranged on the side surface of the base and is connected with the sample clamping device; the adjustable weight tray is arranged on the force conversion rod, weights with different weights can be placed on the adjustable weight tray, and the force conversion rod converts the gravity of the weights into horizontal force so as to realize the loading of silicon steel creep samples with different stress levels; the adjustable lamp holder is arranged in the test cavity and is inserted into the side face of the base; and the heating device is placed on the adjustable lamp holder and used for heating the silicon steel creep sample. The utility model discloses have the effect of the creep research's of solving silicon steel material under unable different stress of realization and the temperature problem.
Description
Technical Field
The utility model belongs to the technical field of the technique of creep property test and specifically relates to a non-oriented silicon steel creep property testing arrangement is related to.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The non-oriented silicon steel is widely applied to manufacturing iron cores of energy conversion equipment such as motors, generators and the like, and plays a vital role in production and life of people. The rotor in the iron core is in a high-speed and high-temperature environment for a long time, and the silicon steel materials at key positions such as a magnetic bridge bear centrifugal force for a long time, so that creep deformation is easily generated, air gap change is caused, and motor squeaking and even structural damage are caused.
In order to reduce the influence of creep deformation on the motor, the creep performance of the silicon steel sheet needs to be tested, so that allowance is reserved in the design process of the motor, and the creep deformation of the silicon steel sheet in the operation process of the motor is prevented, and the structural damage of the motor is avoided. The existing creep property test of silicon steel materials generally adopts high-temperature plasma to carry out local heating, is mainly used for smelting electrical steel, has higher cost, and can not realize the creep research of the silicon steel materials under different stresses and temperatures.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of creep research of silicon steel material under unable realization different stress and temperature at least. The purpose is realized by the following technical scheme:
the utility model provides a non-oriented silicon steel creep property testing arrangement, include:
the test device comprises a base, a test device and a test system, wherein the base is a box body in which a test cavity is arranged, and openings are formed in the top and the side of the base;
the sample clamping device is arranged at the top of the base and is used for clamping a silicon steel creep sample;
the conversion force rod is arranged on the side surface of the base and comprises a dowel bar and a force arm rod, one end of the dowel bar is connected with the sample clamping device, and the other end of the dowel bar is fixedly connected with one end of the force arm rod; the fixed connection part of the dowel bar and the force arm bar is hinged on the base;
the adjustable weight tray is arranged on the force arm rod, weights with different weights can be placed on the adjustable weight tray, and the force conversion rod converts the gravity of the weights into horizontal force so as to realize the loading of the silicon steel creep samples with different stress levels;
the adjustable lamp holder is arranged in the test cavity and located right below the sample clamping device, and the adjustable lamp holder is inserted into the side face of the base and can be adjusted along the height direction of the base;
and the heating device is placed on the adjustable lamp holder and used for heating the silicon steel creep sample.
According to the non-oriented silicon steel creep property testing device of the utility model, the sample clamping device is connected with the base and the force conversion rod in a matching way, the tested silicon steel creep sample is clamped by the sample clamping device, and the heating device is placed on the adjustable lamp holder to heat the silicon steel creep sample; different levels of stress loading on silicon steel creep samples are realized through the matching of the force conversion rod and the sample clamping device; meanwhile, the adjustable lamp holder is used for changing different heights of the heating device, so that the research on the creep performance of the silicon steel at different temperatures is realized. The problem of can't realize the creep research of silicon steel material under different stress and temperature is solved.
In addition, according to the utility model discloses a non-oriented silicon steel creep property testing arrangement still can have following additional technical characterstic:
in some embodiments of the present invention, the sample holding device includes two first rotatable chucks and two second rotatable chucks which are oppositely arranged, the upper surfaces of the ends of the two rotatable chucks which are oppositely arranged are respectively concave to form holding portions, and the holding portions are further covered with chuck cover plates which are adapted to the holding portions; the other ends of the two rotatable chucks are provided with bottom rods, the bottom rod on the first rotatable chuck is rotatably connected with the side wall of the base, and the bottom rod on the second rotatable chuck is rotatably connected with the end part of the dowel bar.
In some embodiments of the present invention, the clamping portion and the chuck cover plate are matched by a fastener, so that the silicon steel creep sample clamp is disposed between the clamping portion and the clamping portion.
In some embodiments of the present invention, the dowel bar is formed with a curved hole deviating from one side of the test cavity, and the bottom bar on the second rotatable chuck can be put into the curved hole and rotationally connected therewith.
The utility model discloses an in some embodiments, the adjustable lamp stand includes grafting portion and supporting part, the adjustable lamp stand with the grafting department of base is followed a plurality of regulation holes have been seted up to the direction of height of base, the grafting portion is through inserting the difference in the regulation hole, thereby adjust the height of adjustable lamp stand, the supporting part can bear heating device.
In some embodiments of the present invention, a groove is formed in the upper surface of the bearing portion, and at least a part of the body of the heating device is embedded in the groove.
In some embodiments of the present invention, a heat insulation plate is further disposed below the silicon steel creep sample, and one end of the heat insulation plate is installed on the sample holding device.
In some embodiments of the present invention, the upper surface of the heat insulation board is provided with an asbestos mesh.
In some embodiments of the present invention, the upper surface of the heat insulation plate is further provided with a temperature sensor.
In some embodiments of the present invention, the lever arm is graduated on the surface.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
FIG. 1 is a schematic structural view of the integral assembly of the present application;
FIG. 2 is a schematic structural diagram of a base of the present application;
FIG. 3 is a schematic view of the rotatable chuck of the present application;
FIG. 4 is a schematic structural view of the force conversion lever of the present application;
FIG. 5 is a schematic structural view of an adjustable lamp socket of the present application;
fig. 6 is a schematic view of the structure of the heat shield of the present application.
Reference numerals:
1. a base; 11. a first notch; 12. a second notch; 2. a sample holding device; 21. a first rotatable chuck; 22. a second rotatable chuck; 23. a clamping portion; 24. a chuck cover plate; 25. a bottom bar; 26. a threaded hole; 3. a force conversion rod; 31. a dowel bar; 311. a curved hole; 32. a force arm lever; 33. a rotating shaft; 4. an adjustable weight tray; 5. an adjustable lamp holder; 51. a plug-in part; 52. a bearing part; 521. a groove; 6. a heating device; 7. an adjustment hole; 8. a heat insulation plate; 81. an asbestos web; 82. a temperature sensor; 9. silicon steel creep test specimens.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 5, according to the embodiment of the present invention, a testing apparatus for creep property of non-oriented silicon steel is provided, which comprises a base 1, a sample holding device 2, a force conversion rod 3, an adjustable scale pan 4, an adjustable lamp holder 5 and a heating device 6. The base 1 is a box body internally provided with a test cavity, the top opening of the base 1 and one of the adjacent side openings are arranged, and the top ends of two opposite side surfaces of the adjacent side openings are respectively provided with a first notch 11 and a second notch 12.
The sample clamping device 2 is arranged on the top of the base 1 and used for clamping a silicon steel creep sample 9. Specifically, the sample holding device 2 includes two first rotatable chucks 21 and a second rotatable chuck 22 which are disposed opposite to each other, and the upper surfaces of the ends of the two rotatable chucks which are disposed opposite to each other are respectively formed with holding portions 23 which are recessed, and in this embodiment, the portions of the two holding portions 23 which are opposite to each other are disposed in conduction with each other. The clamping part 23 is covered with a chuck cover plate 24 adapted to the clamping part for clamping the end of the silicon steel creep test sample 9 in the clamping part 23. The ends of the two rotatable chucks facing away from each other are provided with cylindrical bottom rods 25, and the first rotatable chuck 21 can pass through the first notch 11 and is rotatably connected with the side surface of the base 1 through the bottom rods 25 on the first rotatable chuck 21.
Specifically, the dowel bar 31 is vertically arranged at the second notch 12, and the force arm bar 32 is horizontally arranged; the top end of the dowel bar 31 is connected with the second rotatable chuck 22, and the bottom end of the dowel bar 31 is fixedly connected with one end of the force arm lever 32 at a right angle. The top of dowel steel 31 is the U font setting, and the one side indent that the tip of U font deviates from the test chamber is formed with curve hole 311, and the second rotatable chuck 22 can pass U font centre breach department and install the sill bar 25 on the second rotatable chuck 22 in curve hole 311 and be connected rather than rotating. A rotating shaft 33 is further arranged at the right-angle connection position of the conversion force rod 3, a shaft seat is arranged on the bottom surface of the second notch 12 corresponding to the rotating shaft 33, and the rotating shaft 33 is installed in the shaft seat, so that the conversion force rod 3 is in rotating connection with the side surface of the base 1; meanwhile, a certain movement space is left between the arm-force lever 32 and the bottom surface of the second notch 12.
The adjustable weight tray 4 is arranged on the force arm rod 32, weights with different weights can be placed on the adjustable weight tray 4, and the force conversion rod 3 converts the gravity of the weights into horizontal force so as to realize loading of silicon steel creep samples 9 with different stress levels.
And the heating device 6 is placed on the adjustable lamp holder 5, and the heating device 6 is used for heating the silicon steel creep test sample 9. In this embodiment, the heating device 6 may be an alcohol lamp. In other embodiments, the heating device 6 may be an electric heater or the like.
Specifically, the first rotatable chuck 21 is connected with the first notch 11 in a matching way, the conversion force rod 3 is arranged on the second notch 12 through the rotating shaft 33, and the second rotatable chuck 22 is connected with the conversion force rod 3 in a matching way; then, the tested silicon steel creep sample 9 is clamped by a first rotatable chuck 21 and a second rotatable chuck 22; install adjustable lamp stand 5 in the experimental chamber, place the alcohol burner on adjustable lamp stand 5, then begin to heat silicon steel creep sample 9. The adjustable weight tray 4 is arranged on the force arm rod 32, different stresses are loaded by increasing or reducing weights, and stress loading of different levels of the silicon steel creep samples 9 is realized by matching the conversion force rod 3 with the sample clamping device 2; meanwhile, the adjustable lamp holder 5 is used for changing different distances between the alcohol lamp and the silicon steel creep test sample 9, so that the silicon steel creep performance research at different temperatures is realized. The problem of can't realize the creep research of silicon steel material under different stress and temperature is solved.
In some embodiments of the present invention, referring to fig. 1 and 3, the clamping portion 23 and the chuck cover plate 24 are engaged by a fastener to clamp the silicon steel creep test specimen 9 between the chuck cover plate 24 and the clamping portion 23. Specifically, correspond on clamping part 23 and the chuck apron 24 and be provided with screw hole 26, in this embodiment, the fastener can be bolt and nut, when clamping part 23 and chuck apron 24 cliied the both ends tip of silicon steel creep sample 9, the bolt passes screw hole 26 and through the locking of nut, can realize the clamp of silicon steel creep sample 9 with clamping part 23 and the cooperation of chuck apron 24, can avoid when exerting stress, silicon steel creep sample 9 breaks away from clamping part 23, improve the accuracy of test data.
Further, threaded holes 26 are correspondingly formed in the end portions of the two ends of the silicon steel creep test sample 9. Specifically, the clamping portion 23, the chuck cover plate 24 and the threaded holes 26 on the silicon steel creep test sample 9 are in one-to-one correspondence, and then bolts are used to sequentially penetrate through the threaded holes 26 and are locked through nuts, at this time, the bolts provide a function of positioning the silicon steel creep test sample 9, and further clamp the silicon steel creep test sample 9.
In some embodiments of the utility model, combine fig. 1 and fig. 5, adjustable lamp stand 5 includes grafting portion 51 and supporting part 52, and a plurality of regulation holes 7 have been seted up along the direction of height of base 1 in the grafting department of adjustable lamp stand 5 and base 1, and grafting portion 51 is through inserting in the different regulation holes 7 to adjust the height of adjustable lamp stand, supporting part 52 can bear the weight of the alcohol burner. Specifically, when the temperature needs to be changed, the inserting part 51 on the adjustable lamp holder 5 is inserted into the adjusting holes 7 at different positions, so that the distance between the alcohol lamp and the silicon steel creep sample 9 is adjusted, the heating temperature is changed, and then the silicon steel creep research at different temperatures is realized.
Further, a groove 521 is formed in the upper surface of the bearing part 52 in a concave manner, and at least a part of the body of the alcohol burner is embedded in the groove 521. The arrangement of the groove 521 can prevent the heating device 6 from sliding off the bearing part 52, and ensure the safety in the test process.
In some embodiments of the present invention, referring to fig. 1 and 6, a heat insulation plate 8 is further disposed below the silicon steel creep sample 9, and one end of the heat insulation plate 8 is mounted on the sample holding device 2. Specifically, one end of the heat-insulating plate 8 is interposed between the clamping portion 23 and the end of the silicon steel creep test piece 9, and the other end of the heat-insulating plate 8 is disposed directly below the silicon steel creep test piece 9. When different temperature tests are carried out, the heat insulation plate 8 plays a role in isolating the flame heat of the alcohol lamp, and the temperature is controlled within a proper temperature range.
Further, the upper surface of the heat insulation board 8 is provided with an asbestos cloth 81. Asbestos gauge 81 sets up between silicon steel creep sample 9 and heat insulating board 8, and the setting of asbestos gauge 81 plays the effect to the even heating of silicon steel creep sample 9.
Further, a temperature sensor 82 is provided on the upper surface of the heat insulating plate 8. The temperature sensor 82 can measure the temperature of the heat insulation board 8, and plays a role in measuring the temperature so as to ensure that the temperature can be controlled and adjusted.
In some embodiments of the present invention, the force arm lever 32 is graduated on its surface. The scale setting can make the staff directly read the horizontal loading force of silicon steel creep test sample 9 to the size of stress can be converted out through the sectional area size.
In some embodiments of the present invention, the base 1 should be placed horizontally to ensure that the gravity of the weight of the conversion force rod 3 is converted into a force in the horizontal direction, and the force is loaded into the silicon steel creep sample 9; the alcohol lamp can be prevented from sliding off to cause safety accidents.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a non-oriented silicon steel creep property testing arrangement which characterized in that: the method comprises the following steps:
the test device comprises a base, a test device and a test system, wherein the base is a box body in which a test cavity is arranged, and openings are formed in the top and the side of the base;
the sample clamping device is arranged at the top of the base and is used for clamping a silicon steel creep sample;
the conversion force rod is arranged on the side surface of the base and comprises a dowel bar and a force arm rod, one end of the dowel bar is connected with the sample clamping device, and the other end of the dowel bar is fixedly connected with one end of the force arm rod; the fixed connection part of the dowel bar and the force arm bar is hinged on the base;
the adjustable weight tray is arranged on the force arm rod, weights with different weights can be placed on the adjustable weight tray, and the force conversion rod converts the gravity of the weights into horizontal force so as to realize the loading of the silicon steel creep samples with different stress levels;
the adjustable lamp holder is arranged in the test cavity and located right below the sample clamping device, and the adjustable lamp holder is inserted into the side face of the base and can be adjusted along the height direction of the base;
and the heating device is placed on the adjustable lamp holder and used for heating the silicon steel creep sample.
2. The apparatus of claim 1, wherein: the sample clamping device comprises a first rotatable chuck and a second rotatable chuck which are oppositely arranged, the upper surfaces of the ends, oppositely arranged, of the two rotatable chucks are respectively concave to form clamping parts, and the clamping parts are also covered with chuck cover plates matched with the clamping parts; the other ends of the two rotatable chucks are provided with bottom rods, the bottom rod on the first rotatable chuck is rotatably connected with the side wall of the base, and the bottom rod on the second rotatable chuck is rotatably connected with the end part of the dowel bar.
3. The apparatus of claim 2, wherein: the clamping part with the chuck apron passes through the fastener cooperation, in order to incite somebody to action the silicon steel creep test sample clamp is located the chuck apron with between the clamping part.
4. The apparatus of claim 2, wherein: one side indent that the dowel bar deviates from the test cavity is formed with the curve hole, the sill bar on the rotatable chuck of second can be put into in the curve hole and rather than the swivelling joint.
5. The apparatus of claim 1, wherein: the adjustable lamp holder comprises an inserting part and a bearing part, the inserting part of the adjustable lamp holder and the base is provided with a plurality of adjusting holes along the height direction of the base, the inserting part is inserted into the adjusting holes differently, so that the height of the adjustable lamp holder is adjusted, and the bearing part can bear the heating device.
6. The apparatus of claim 5, wherein: the upper surface of the bearing part is internally concave to form a groove, and at least part of the body of the heating device is embedded in the groove.
7. The apparatus of claim 1, wherein: and a heat insulation plate is further arranged below the silicon steel creep sample, and one end of the heat insulation plate is arranged on the sample clamping device.
8. The apparatus of claim 7, wherein: and the upper surface of the heat insulation plate is provided with an asbestos net.
9. The apparatus of claim 7, wherein: and the upper surface of the heat insulation plate is also provided with a temperature sensor.
10. The apparatus of claim 1, wherein: scales are marked on the surface of the arm-of-force lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638252.2U CN214794181U (en) | 2021-03-29 | 2021-03-29 | Non-oriented silicon steel creep performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638252.2U CN214794181U (en) | 2021-03-29 | 2021-03-29 | Non-oriented silicon steel creep performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214794181U true CN214794181U (en) | 2021-11-19 |
Family
ID=78667671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120638252.2U Active CN214794181U (en) | 2021-03-29 | 2021-03-29 | Non-oriented silicon steel creep performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214794181U (en) |
-
2021
- 2021-03-29 CN CN202120638252.2U patent/CN214794181U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109520857B (en) | High-flux small sample creep and creep crack propagation test device and using method thereof | |
| CN102944466B (en) | Device and method for testing mechanical property in ultrahigh temperature oxidation environment | |
| CN110132750B (en) | Indentation testing device and testing method | |
| CN103983660B (en) | A kind of indoor rock sample test device of thermal conductivity coefficient | |
| CN105890979B (en) | For the prefastening machinery clamping mechanism of combined load material mechanical performance test | |
| CN214794181U (en) | Non-oriented silicon steel creep performance testing device | |
| CN109060552A (en) | A kind of thermal environment rebound test equipment and test method | |
| CN214200923U (en) | High-temperature bending fatigue in-situ testing device | |
| CN108459191B (en) | Portable thermoelectric potential detector | |
| CN201662326U (en) | Dynamic balance test heating device for rotor of gas turbine | |
| CN107505213B (en) | Novel small punch test device and test method thereof | |
| CN108132188A (en) | Patch electrified regulation formula high-temp in-situ dual-spindle testing instrument and method | |
| CN106404538B (en) | Heating device and heating method for thermal double-pull experiment | |
| CN106680544B (en) | Arrester accelerated aging test clamping device | |
| Molla et al. | Development of high temperature mechanical rig for characterizing the viscoplastic properties of alloys used in solid oxide cells | |
| CN113640140B (en) | High-temperature double-shaft strength tester and method for ceramic matrix composite turbine guide vane | |
| KR101424772B1 (en) | Abrasion Tester With Cooling Tip and Vibration Isolation Part and Method For The Same. | |
| CN115655916A (en) | Assembled bending test device under high temperature | |
| KR101100520B1 (en) | Apparatus for measuring strength of sunlight module using universal testing machine | |
| CN112504813A (en) | High-temperature bending fatigue in-situ testing device and method | |
| CN112414862A (en) | Creep property testing device | |
| CN109828174B (en) | PTC temperature resistance testing device | |
| US3234778A (en) | Dilatometer for heated specimens under external stress | |
| CN112763341A (en) | In-situ induction heating device for neutron diffraction measurement | |
| CN110398423B (en) | Special heat-insulating and pressurizing device for diamond pressure cavity test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Weichai New Energy Power Technology Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Patentee before: Weichai New Energy Technology Co.,Ltd. |