CN112697692A - Worm and gear type rotary object stage of material friction abnormal sound test bed - Google Patents
Worm and gear type rotary object stage of material friction abnormal sound test bed Download PDFInfo
- Publication number
- CN112697692A CN112697692A CN202011357424.5A CN202011357424A CN112697692A CN 112697692 A CN112697692 A CN 112697692A CN 202011357424 A CN202011357424 A CN 202011357424A CN 112697692 A CN112697692 A CN 112697692A
- Authority
- CN
- China
- Prior art keywords
- worm
- fixed
- type rotary
- gear type
- friction
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 15
- 239000002783 friction material Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of friction abnormal sound experiment equipment, and particularly discloses a worm and gear type rotary object stage of a material friction abnormal sound experiment table, which comprises an experiment box body and a bearing beam for fixing a friction material I, wherein a vertical force loading device positioned above the bearing beam is arranged in the experiment box body and is used for fixing a friction material II, a rotating shaft is vertically and rotatably connected onto the bearing beam, a supporting plate is fixed at the top of the rotating shaft, the rotating shaft is rotatably connected with the experiment box body, the bottom of the rotating shaft is connected with a driving mechanism positioned outside the experiment box body, the driving mechanism comprises a motor, a worm wheel box, a worm and a worm wheel, the worm is fixed on an output shaft of the motor, the worm wheel is fixed on the rotating shaft, and the worm wheel are both positioned in the worm wheel box. The objective table disclosed in this patent can test the friction of turning.
Description
Technical Field
The invention relates to the technical field of friction abnormal sound experimental equipment, in particular to a worm and gear type rotary object stage of a material friction abnormal sound test bed.
Background
In the automobile structure, two parts rub against each other to form a friction pair, the process of changing the friction state between the friction pair from static friction to dynamic friction is called stick-slip motion, and the relative vibration frequency between the friction pair in unit time is called pulse rate in the process of stick-slip motion.
The stick-slip motion is a typical friction phenomenon, widely existing in a mechanical system, and brings numerous negative problems of flutter, oscillation, sharp noise and the like to the mechanical system of an automobile, so in order to improve the stability of the mechanical system of the automobile and reduce the vibration, abnormal sound testing needs to be carried out.
Disclosure of Invention
The invention provides a worm and gear type rotary object stage of a material friction abnormal sound test bed, which aims to solve the problem that the conventional common test object stage cannot be applied to a rotary friction test.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the worm gear type rotary object carrying table comprises a test box body and a bearing beam used for fixing friction materials I, wherein a vertical force loading device located above the bearing beam is arranged in the test box body, the vertical force loading device is used for fixing friction materials II, a rotating shaft is connected to the bearing beam in a vertical rotating mode, a supporting plate is fixed to the top of the rotating shaft, the rotating shaft is connected with the test box body in a rotating mode, a driving mechanism located outside the test box body is connected to the bottom of the rotating shaft in a rotating mode, the driving mechanism comprises a motor, a worm gear box, a worm and a worm gear, the worm is fixed to an output shaft of the motor, the worm gear is fixed to the rotating shaft, and the worm gear are located in the worm gear box.
The technical principle and the effect of the technical scheme are as follows:
through worm gear drive system in this scheme for the rotation of pivot slow speed, thereby the drive backup pad is together rotated at a slow speed, realizes the rotational friction test between friction material I and the friction material II, because actuating mechanism (worm gear drive system) is located the outside of experimental box in this scheme, the noise that consequently actuating mechanism produced is shielded in the outside of experimental box, and the setting of spandrel girder makes the rotation of pivot more stable.
Furthermore, soundproof cotton is bonded on the inner wall of the test box body.
Has the advantages that: thus reducing the influence of external noise on the internal test.
Furthermore, the cross section of the bearing beam is rectangular, support frames are arranged at two ends of the bearing beam, and the support frames are detachably connected with the test box body through bolts.
Has the advantages that: different bearing beams (rotating or moving left and right) can be selected according to the test mode, so that the bearing beams are convenient to disassemble and assemble.
Furthermore, a plurality of connecting holes are formed in the supporting plate, the friction material fixing device further comprises a pressing plate which is symmetrically arranged relative to the supporting plate, threaded holes are formed in two ends of the pressing plate, and the pressing plate penetrates through the connecting holes and the threaded holes through bolts to fix the friction material I between the pressing plate and the supporting plate.
Has the advantages that: the friction material I is convenient to mount and dismount.
Furthermore, a first connecting hole is formed in the bearing beam, a second connecting hole is formed in the bottom of the test box body, the first connecting hole and the second connecting hole are coaxially arranged, bearings are fixed in the first connecting hole and the second connecting hole, and the rotating shaft is fixed in the bearings.
Has the advantages that: the arrangement of a plurality of bearings can improve the stability of the rotation of the rotating shaft.
Furthermore, sealing ring structures are arranged above and below the bearing.
Has the advantages that: the arrangement of the sealing ring structure can reduce the transmission of noise.
Furthermore, a sound insulation barrel is arranged between the bottom of the bearing beam and the bottom of the test box body, the sound insulation barrel and the rotating shaft are coaxially arranged and are located outside the rotating shaft, and the wall thickness of the sound insulation barrel is not less than 20 mm.
Has the advantages that: the noise that produces between partly pivot and the bearing can be isolated on the one hand in the setting of sound insulation section of thick bamboo, also plays the effect of support to the spandrel girder simultaneously.
Further, still be equipped with air exchange system, this air exchange system includes cylinder and cam, the cam is coaxial to be fixed in the pivot, and be located the outside of experimental box, the cylinder level is placed, the cylinder includes the cylinder body, piston and piston rod, the spout has been seted up along the circumference of its outside profile to the cam, piston rod and spout sliding connection, be equipped with intake pipe and outlet duct on the cylinder body, be equipped with the check valve of admitting air in the intake pipe, be equipped with the check valve of giving vent to anger on the outlet duct, be equipped with the refrigeration piece in the cylinder body, experimental bottom half portion is equipped with air inlet and the gas outlet of intercommunication sound insulation section of thick bamboo.
Has the advantages that: the rotating shaft drives the cam to synchronously rotate in the slow rotation process, so that the piston linearly slides in a reciprocating manner, gas in the sound insulation barrel is circulated through the air inlet pipe and the air outlet pipe, and the piston is basically in a stop moving state when the piston rod slides in a non-transition section of the cam, particularly the large round end of the cam, and thus the gas in the cylinder can be refrigerated in sufficient time.
The transmission performance of bearing can be influenced in thermal production for noise appears between pivot and the bearing, thereby influences the experimental result of friction, and through air exchange system in this scheme, make the air current in the sound insulation section of thick bamboo be in the circulation state, take away the heat that produces in the testing process.
Furthermore, a plurality of limiting bulges are uniformly distributed at the bottom of the pressing plate, two rows of symmetrical limiting holes are formed in the friction material I, and the limiting bulges can be clamped into the limiting holes.
Has the advantages that: because traditional objective table all fixes friction material I in the backup pad through the clamp plate, friction material I can only receive vertical pressure promptly, and owing to need the backup pad to rotate in this application, consequently friction material I receives in the test process be tangential direction's pulling force, make friction material I appear slipping easily in the test process like this and even break away from the condition of objective table, and such problem appearance can then be avoided in the cooperation in a plurality of spacing archs and spacing hole.
Furthermore, the limiting bulge and the pressing plate are integrally formed, and the longitudinal section of the limiting bulge is in a conical shape with a large upper part and a small lower part.
Has the advantages that: the anti-torsion strength of the limiting protrusions can be improved, and meanwhile, the friction material I can be better installed.
Furthermore, a rubber layer is bonded on the outer wall of the limiting bulge.
Has the advantages that: the arrangement can enable the limiting protrusions to be clamped in the limiting holes of the friction material I.
Drawings
FIG. 1 is a schematic structural diagram of a worm-and-gear type rotary stage of a material friction abnormal sound test bed in an embodiment 1 of the invention;
FIG. 2 is a plan view of a support plate in embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the structure of a platen in example 2 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: friction material I1, friction material II 2, test box 10, spandrel girder 11, support frame 12, pressure head 13, backup pad 14, clamp plate 15, connecting plate 16, pivot 17, bearing 18, worm-gear case 20, worm 21, worm wheel 22, sound-proof cylinder 23, packing ring 24, spacing arch 25, cam 26, piston rod 27, intake pipe 28, outlet duct 29.
Example 1:
basically, as shown in the attached drawings 1 and 2, the worm gear type rotary object stage of the material friction abnormal sound test bed comprises a test box body 10 and a bearing beam 11 used for fixing friction materials I1, soundproof cotton is bonded on the inner wall of the test box body 10, the cross section of the bearing beam 11 is rectangular, support frames 12 are arranged at two ends of the bearing beam 11, the support frames 12 are detachably connected with the test box body 10 through bolts, and a vertical force loading device is arranged above the bearing beam 11.
The vertical force loading device in the embodiment comprises a driving piece and a pressure head 13, wherein the driving piece is a linear motor, the linear motor is fixed on an experiment box body, a coupler is arranged at the end part of an output shaft of the linear motor, the bottom of the coupler is fixedly connected with the pressure head 13 through a bolt, the bottom of the pressure head 13 is a smooth surface with roughness not exceeding Ra6.3, and the smooth surface is used for fixing a friction material II 2.
The bearing beam 11 is rotatably connected with a supporting plate 14, the supporting plate 14 is a circular plate, the supporting plate 14 is located under the pressure head 13, a plurality of connecting holes are formed in the supporting plate 14, the bearing beam further comprises a pressing plate 15 symmetrically arranged relative to the supporting plate 14, threaded holes are formed in two ends of the pressing plate 15, the connecting holes and the threaded holes are penetrated through bolts, and the friction material I1 is fixed between the pressing plate 15 and the supporting plate 14.
The welding of 14 bottoms of backup pad has connecting plate 16, and the welding of 16 bottoms of connecting plate has pivot 17, has seted up first connecting hole on spandrel girder 11, has seted up the second connecting hole in experimental box 10 bottoms, and wherein first connecting hole and the coaxial setting of second connecting hole all are fixed with bearing 18 in first connecting hole and the second connecting hole, and pivot 17 is fixed in bearing 18, and experimental box 10 is stretched out to the bottom of pivot 17, all is equipped with the sealing washer structure in the upper and lower of bearing 18.
The exterior of the test box 10 is provided with a driving mechanism for driving the rotation shaft 17 to rotate, and the driving mechanism in this embodiment includes a motor, a worm gear box 20, a worm 21 and a worm wheel 22, wherein the worm 21 is fixed on an output shaft of the motor, the worm wheel 22 is fixed on the rotation shaft 17, and the worm 21 and the worm wheel 22 are both located in the worm gear box 20.
A sound insulation cylinder 23 is arranged between the bottom of the bearing beam 11 and the bottom of the test box 10, wherein the sound insulation cylinder 23 is coaxially arranged with the rotating shaft 17 and is positioned outside the rotating shaft 17, the wall thickness of the sound insulation cylinder 23 is not less than 20mm, gaskets 24 are arranged at the top and the bottom of the sound insulation cylinder 23, the gasket 24 at the upper part is tightly abutted against the bottom of the bearing beam 11, and the gasket 24 at the lower part is tightly abutted against the bottom of the test box 10.
During specific implementation, fix friction material I1 between clamp plate 15 and backup pad 14, friction material II 2 bonds in the bottom of pressure head 13, linear motor drive pressure head 13 downstream, make friction material II 2 sticiss on friction material I1's the surface, close linear motor, back starter motor, through worm wheel 22 worm 21 meshing, make pivot 17 drive backup pad 14 together slow rotation, produce the frictional noise between friction material I1 and the friction material II 2, collect through the microphone that sets up in experimental box 10, carry out the analysis to the noise can.
Example 2:
as shown in fig. 3, the difference from the embodiment 1 is that: there are a plurality of spacing archs 25 in the bottom equipartition of clamp plate 15, spacing arch 25 and clamp plate 15 integrated into one piece, the toper of big-end-up is presented to the longitudinal section of spacing arch 25, when preparing friction material I1, set up the spacing hole of two rows of symmetries on friction material I1, make spacing arch 25 can block into spacing downthehole, it has the rubber layer to bond on the outer wall of spacing arch 25 in addition, make spacing arch 25 can the chucking spacing downthehole.
Because traditional objective table all fixes friction material I1 in backup pad 14 through clamp plate 15, friction material I1 can only receive vertical pressure promptly, and owing to need backup pad 14 to rotate in this application, what consequently friction material I1 received in the experimentation is the pulling force of tangential direction, make like this friction material I1 the condition that slides and even break away from the objective table appears in the experimentation easily, and such problem can then be avoided appearing in the cooperation of a plurality of spacing archs 25 and spacing hole.
Example 3:
as shown substantially in fig. 4, the difference from embodiment 1 is that: still be equipped with air exchange system, this air exchange system includes cylinder and cam 26, wherein cam 26 is coaxial to be fixed in pivot 17, and be located the outside of experimental box 10, the cylinder level is placed, the cylinder includes the cylinder body, piston and piston rod 27, wherein the spout has been seted up along the circumference of its external profile to cam 26, piston rod 27 and spout sliding connection, be equipped with intake pipe 28 and outlet duct 29 on the cylinder body, wherein be equipped with the check valve of admitting air on the intake pipe 28, and be equipped with the check valve of giving vent to anger on the outlet duct 29, be equipped with the refrigeration piece in the cylinder body, the refrigeration piece can select for use the refrigeration piece of semiconductor in this embodiment, carry out the refrigeration.
An air inlet and an air outlet which are communicated with the sound insulation barrel are arranged at the bottom of the test box body 10, wherein the air inlet is obliquely arranged towards the inner wall of the barrel body, an air inlet pipe 28 on the cylinder body is communicated with the air outlet, and an air outlet pipe 29 is communicated with the air inlet.
Therefore, the rotating shaft 17 drives the cam 26 to synchronously rotate in the process of slow rotation, so that the piston linearly reciprocates to slide, gas in the sound insulation cylinder is circulated through the air inlet pipe 28 and the air outlet pipe 29, and due to the structural limitation of the cam 26, when the piston rod 27 slides in a non-transition section of the cam 26, particularly when the large round end of the cam 26 slides, the piston basically stops moving, so that the gas in the cylinder can be refrigerated for sufficient time.
The transmission performance of bearing 18 can be influenced in the production of heat for noise appears between pivot 17 and the bearing 18, thereby influences the experimental result of friction, and through ventilation system in this embodiment, make the air current in the sound insulation section of thick bamboo be in the circulation state, take away the heat that produces in the testing process.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. Material friction abnormal sound test bench worm gear formula rotary objective platform, including experimental box and the spandrel girder that is used for fixed friction material I, be equipped with the vertical force loading device who is located the spandrel girder top in the experimental box, vertical force loading device is used for fixed friction material II, its characterized in that: the vertical rotation is connected with the pivot on the spandrel girder, and the top of pivot is fixed with the backup pad, and the pivot rotates with the test box to be connected, and the bottom of pivot is connected with the actuating mechanism who is located the test box outside, actuating mechanism includes motor, worm-gear case, worm and worm wheel, and the worm is fixed on the output shaft of motor, and the worm wheel is fixed in the pivot, and worm wheel all are located the worm-gear case.
2. The material friction abnormal response test bench worm-gear type rotary object table according to claim 1, characterized in that: the transversal rectangle of personally submitting of spandrel girder is equipped with the support frame at the both ends of spandrel girder, and the support frame passes through the bolt with experimental box and can dismantle the connection.
3. The material friction abnormal response test bench worm-gear type rotary object table according to claim 1, characterized in that: the friction material I fixing device comprises a support plate, a plurality of connecting holes are formed in the support plate, a pressing plate symmetrically arranged relative to the support plate is further included, threaded holes are formed in two ends of the pressing plate, and a bolt penetrates through the connecting holes and the threaded holes to fix the friction material I between the pressing plate and the support plate.
4. The material friction abnormal response test bench worm-gear type rotary object table according to claim 1, characterized in that: soundproof cotton is bonded on the inner wall of the test box body.
5. The material friction abnormal response test bench worm-gear type rotary object table according to claim 1, characterized in that: the bearing beam is provided with a first connecting hole, the bottom of the test box body is provided with a second connecting hole, the first connecting hole and the second connecting hole are coaxially arranged, bearings are fixed in the first connecting hole and the second connecting hole, and the rotating shaft is fixed in the bearings.
6. The material friction abnormal response test bench worm-gear type rotary object table according to claim 5, characterized in that: and sealing ring structures are arranged above and below the bearing.
7. The material friction abnormal response test bench worm-gear type rotary object table according to claim 6, characterized in that: and a sound insulation barrel is arranged between the bottom of the bearing beam and the bottom of the test box body, the sound insulation barrel and the rotating shaft are coaxially arranged and are positioned outside the rotating shaft, and the wall thickness of the sound insulation barrel is not less than 20 mm.
8. The material friction abnormal response test bench worm-gear type rotary object table according to claim 7, characterized in that: still be equipped with air exchange system, this air exchange system includes cylinder and cam, the cam is coaxial to be fixed in the pivot, and be located the outside of experimental box, the cylinder level is placed, the cylinder includes the cylinder body, piston and piston rod, the spout has been seted up along the circumference of its outside profile to the cam, piston rod and spout sliding connection, be equipped with intake pipe and outlet duct on the cylinder body, be equipped with the check valve that admits air in the intake pipe, be equipped with the check valve that gives vent to anger on the outlet duct, be equipped with the refrigeration piece in the cylinder body, experimental bottom half portion is equipped with air inlet and the gas outlet of intercommunication sound insulation section of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011357424.5A CN112697692A (en) | 2020-11-27 | 2020-11-27 | Worm and gear type rotary object stage of material friction abnormal sound test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011357424.5A CN112697692A (en) | 2020-11-27 | 2020-11-27 | Worm and gear type rotary object stage of material friction abnormal sound test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112697692A true CN112697692A (en) | 2021-04-23 |
Family
ID=75506679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011357424.5A Pending CN112697692A (en) | 2020-11-27 | 2020-11-27 | Worm and gear type rotary object stage of material friction abnormal sound test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112697692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683771A (en) * | 2020-11-27 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Gear type rotary objective table of material friction abnormal sound test bed |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050029292A (en) * | 2003-09-20 | 2005-03-25 | 학교법인고려중앙학원 | Precision friction tester |
| CN102944512A (en) * | 2012-11-03 | 2013-02-27 | 中国矿业大学 | Test machine and test method for real-time and dynamic observation of end surface torsion friction and abrasion of friction interface |
| CN109142223A (en) * | 2018-10-11 | 2019-01-04 | 中国科学院植物研究所 | A kind of automatic sample-changing equipment |
| CN109682704A (en) * | 2019-01-02 | 2019-04-26 | 吉林大学 | Low temperature twisting or micro-moving frictional wear experimental rig |
| CN110419910A (en) * | 2019-08-28 | 2019-11-08 | 重庆市飞龙实木家俱有限公司 | Open-type show cabinet |
| CN211904967U (en) * | 2020-01-21 | 2020-11-10 | 西安工程大学 | Rotation type friction wear testing machine |
-
2020
- 2020-11-27 CN CN202011357424.5A patent/CN112697692A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050029292A (en) * | 2003-09-20 | 2005-03-25 | 학교법인고려중앙학원 | Precision friction tester |
| CN102944512A (en) * | 2012-11-03 | 2013-02-27 | 中国矿业大学 | Test machine and test method for real-time and dynamic observation of end surface torsion friction and abrasion of friction interface |
| CN109142223A (en) * | 2018-10-11 | 2019-01-04 | 中国科学院植物研究所 | A kind of automatic sample-changing equipment |
| CN109682704A (en) * | 2019-01-02 | 2019-04-26 | 吉林大学 | Low temperature twisting or micro-moving frictional wear experimental rig |
| CN110419910A (en) * | 2019-08-28 | 2019-11-08 | 重庆市飞龙实木家俱有限公司 | Open-type show cabinet |
| CN211904967U (en) * | 2020-01-21 | 2020-11-10 | 西安工程大学 | Rotation type friction wear testing machine |
Non-Patent Citations (2)
| Title |
|---|
| 张帅举;齐晓旭;蔡远骏;: "新能源汽车起步轮端噪音分析与优化", 汽车实用技术, no. 07, pages 20 - 22 * |
| 罗勇;韦永恒;罗建文;李沛然;祁鹏伟;崔环宇;: "车用材料摩擦异响特性测试设备设计与开发", 机械设计与研究, no. 02, pages 137 - 142 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683771A (en) * | 2020-11-27 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Gear type rotary objective table of material friction abnormal sound test bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112697692A (en) | Worm and gear type rotary object stage of material friction abnormal sound test bed | |
| CN101368611B (en) | Hydraulic damp suspending apparatus and its assembling method | |
| CN101484668A (en) | Device for influencing an exhaust gas flow | |
| CN112683771A (en) | Gear type rotary objective table of material friction abnormal sound test bed | |
| CN112748065A (en) | Method for testing friction abnormal sound performance of automobile sealing strip | |
| CN106090113A (en) | The novel inertia channel system of a kind of engine hydraulic mount and adjustment method thereof | |
| CN115194648B (en) | Air floatation main shaft for wafer thinning | |
| CN106768931B (en) | Multi-shaft thermal state fatigue testing machine for corrugated pipe | |
| CN112710602A (en) | Material friction abnormal sound test bed with three-dimensional force sensor | |
| CN115041854A (en) | Engine post-treatment assembly production line and production process | |
| CN209458196U (en) | Novel damping high pressure blower | |
| DE4410564C1 (en) | Fan unit for fitting in an air duct of a room-ventilation apparatus | |
| CN107962376B (en) | Vacuum chuck type screwing device | |
| CN216066075U (en) | Automatic automobile exhaust funnel gasket welding machine of material loading | |
| CN108915989A (en) | Single pump system oxygen machine | |
| CN220613505U (en) | Servo motor surface polishing device | |
| CN219121637U (en) | Hydraulic cylinder barrel high-pressure leak detection device | |
| CN219955858U (en) | Ampoule hydro-extracting cage | |
| CN220863636U (en) | Polishing device for tubular purifier | |
| CN217889923U (en) | Silencer subassembly welding set | |
| CN216410627U (en) | Rigidity-adjustable driving shaft modal test tool | |
| CN210218159U (en) | Amortization type multistage formula air-blower | |
| CN218086000U (en) | Silencing ventilation pipe for ship | |
| CN216053869U (en) | Noise optimization device for input shaft system of NVH (noise, vibration and harshness) driving motor | |
| CN113982997B (en) | Vertical shock-absorbing structure of marine axial fan |
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 |