CN212932341U - Friction coefficient testing machine - Google Patents
Friction coefficient testing machine Download PDFInfo
- Publication number
- CN212932341U CN212932341U CN202021377482.XU CN202021377482U CN212932341U CN 212932341 U CN212932341 U CN 212932341U CN 202021377482 U CN202021377482 U CN 202021377482U CN 212932341 U CN212932341 U CN 212932341U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- fixed
- test board
- part body
- testing machine
- 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 discloses a coefficient of friction test machine, which comprises a fixing plate and i, the bottom fixed connection of fixed plate comes a plurality of fixed supporting legs, the bottom fixedly connected with altitude mixture control seat of fixed supporting legs, the top fixedly connected with testboard of fixed plate, the top fixedly connected with standard test board of testboard, one side that the top of testboard just is located standard test board is provided with the spirit level, the installation piece has been placed to standard test board's top, the top of fixed plate just is located the left side fixedly connected with fixing base of testboard, the top fixedly connected with telescopic link of fixing base, the movable end fixedly connected with fixed pulley of telescopic link. The utility model discloses, through the top to fixed pulley fixed connection at the telescopic link, can adjust the height of fixed pulley for the string keeps parallel with the direction of motion in the measurement process, can increase measuring accuracy.
Description
Technical Field
The utility model relates to a coefficient of friction measures technical field, especially relates to coefficient of friction test machine.
Background
The coefficient of friction is the ratio of the friction between surfaces to the normal force acting on one of the surfaces. The coefficient of friction is determined by the properties of the sliding surface, the roughness and the lubricant (if present). The rougher the sliding surface, the greater the coefficient of friction, and the two types of coefficients of friction between objects, one is the coefficient of sliding friction, the other is the maximum coefficient of static friction, and in terms of value, the latter is slightly larger than the former, and the coefficient of friction measured generally is the coefficient of dynamic friction during uniform movement.
Traditional coefficient of friction measuring device simple structure, because the height of pulley is fixed when adopting string pulling measuring device, make pulling force direction and direction of motion nonparallel easily, influence the measuring accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a friction coefficient testing machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the friction coefficient testing machine comprises a fixed plate, wherein the bottom of the fixed plate is fixedly connected with a plurality of fixed supporting legs, the bottom ends of the fixed supporting legs are fixedly connected with a height adjusting seat, the top of the fixed plate is fixedly connected with a test bench, the top of the test bench is fixedly connected with a standard test board, a level gauge is arranged at the top of the test bench and on one side of the standard test board, an installation block is arranged above the standard test board, the top of the fixed plate and on the left side of the test bench are fixedly connected with a fixed seat, the top of the fixed seat is fixedly connected with a telescopic rod, a movable end of the telescopic rod is fixedly connected with a fixed pulley, the top of the fixed plate and on the left side of the fixed seat are fixedly connected with a rectangular shell, the inner side surface of, the inside wall of rectangle casing just is located the top fixedly connected with driving motor of pivot, the inside wall of rectangle casing just is located driving motor's right side and fixedly is connected with the reduction gear.
As a further description of the above technical solution:
the installation piece includes the installed part body, the equal threaded connection of the front and back both sides face of installed part body has the threaded rod, there is the pinch-off blades one end of threaded rod and the inside that is located the installed part body through swing joint spare swing joint, the other end of threaded rod and the outside fixedly connected with carousel that is located the installed part body, the equal fixedly connected with force sensor of the left and right sides face of installed part body, the top fixedly connected with rectangle frame of installed part body.
As a further description of the above technical solution:
the output end of the driving motor is in transmission connection with the speed reducer, and the power output end of the speed reducer is in transmission connection with the rotating shaft.
As a further description of the above technical solution:
and a clutch is arranged between the speed reducer and the rotating shaft.
As a further description of the above technical solution:
the side face of the tension sensor is fixedly connected with a fine wire, and the fine wire is wound around the fixed pulley and is fixedly connected with the winding rolling ring.
As a further description of the above technical solution:
the upper surface of the standard test board is flat and uniform in roughness.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the friction coefficient testing machine can adjust the height of the fixed pulley by fixedly connecting the fixed pulley to the top of the telescopic rod, so that the string can be kept parallel to the movement direction in the measuring process, and the measuring accuracy can be improved.
2. Compared with the prior art, the friction coefficient testing machine is provided with the rectangular block at the top of the mounting block, and can add the balancing weight into the rectangular frame to measure multiple groups of data, so that more accurate measuring results can be obtained.
Drawings
Fig. 1 is a front view of a friction coefficient testing machine provided by the present invention;
fig. 2 is a schematic view of the internal structure of the rectangular casing of the friction coefficient testing machine according to the present invention;
fig. 3 is a top view of a mounting member of the friction coefficient testing machine according to the present invention;
fig. 4 is a bottom view of the mounting member of the friction coefficient testing machine of the present invention.
Illustration of the drawings:
1. a fixing plate; 2. fixing the supporting legs; 3. a height adjusting seat; 4. a test bench; 5. a standard test board; 6. a level gauge; 7. a fixed seat; 8. a telescopic rod; 9. a fixed pulley; 10. a rectangular housing; 11. a rotating shaft; 12. winding and rolling a coil; 13. a drive motor; 14. a speed reducer; 15. mounting blocks; 151. a mounting member body; 152. a threaded rod; 153. a clamping plate; 154. a turntable; 155. a tension sensor; 156. a rectangular frame; 16. an object to be detected.
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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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. 1-4, the utility model provides a friction coefficient test machine: the device comprises a fixed plate 1, the bottom of the fixed plate 1 is fixedly connected with a plurality of fixed supporting feet 2, the bottom ends of the fixed supporting feet 2 are fixedly connected with a height adjusting seat 3 for leveling a test board 4 and increasing the accuracy of measured data, the top of the fixed plate 1 is fixedly connected with the test board 4, the top of the test board 4 is fixedly connected with a standard test board 5, a level gauge 6 is arranged at the top of the test board 4 and positioned on one side of the standard test board 5 and used for detecting whether the test board 4 is level, an installation block 15 is arranged above the standard test board 5, the top of the fixed plate 1 and positioned on the left side of the test board 4 are fixedly connected with a fixed seat 7, the top of the fixed seat 7 is fixedly connected with a telescopic rod 8 and used for controlling the height of the fixed pulley 9, the movable end of the telescopic rod 8 is fixedly, the medial surface of rectangular housing 10 has pivot 11 through bearing swing joint, the side fixedly connected with wire winding of pivot 11 rolls circle 12 for wire winding, and then drive the motion of installation piece 15, rectangular housing 10's inside wall and the top fixedly connected with driving motor 13 that is located pivot 11, rectangular housing 10's inside wall and the fixed reduction gear 14 that is connected with in right side that is located driving motor 13, realize the slow steady pulling installation piece 15 motion that slows down.
The mounting block 15 comprises a mounting part body 151, threaded rods 152 are respectively in threaded connection with the front side surface and the rear side surface of the mounting part body 151, one end of each threaded rod 152 is positioned in the mounting part body 151 and is movably connected with a clamping plate 153 through a movable connecting piece, an object 16 to be detected can be rapidly clamped and fixed, the other end of each threaded rod 152 is positioned outside the mounting part body 151 and is fixedly connected with a rotary table 154, tension sensors 155 are respectively and fixedly connected with the left side surface and the right side surface of the mounting part body 151 and are used for detecting tension used for pulling the mounting block 15, a rectangular frame 156 is fixedly connected with the top of the mounting part body 151, the output end of the driving motor 13 is in transmission connection with the speed reducer 14, the power output end of the speed reducer 14 is in transmission connection with the rotating shaft 11, a clutch is, realize steady pulling, force sensor 155's side fixedly connected with fine rule, the fine rule is walked around fixed pulley 9 and is rolled circle 12 fixed connection with the winding, and the upper surface of standard testing board 5 levels, and the roughness is even.
The working principle is as follows: during the use, at first, the inslot of waiting to detect object 16 and putting into installed part body 151 bottom, then it is rotatory to drive threaded rod 152 through rotating carousel 154, and then realize promoting clamp plate 153 and press from both sides tight fixedly, and measure the overall quality of installation piece 15, then put installation piece 15 on standard test board 5, adjust the height of telescopic link 8, make the string level, then start driving motor 13, treat that the rotational speed is connected with pivot 11 after steady and drive pivot 11 and rotate, and then drive installation piece 15 steady movement, utilize measured data can obtain coefficient of friction, directly add the balancing weight at the top of rectangle frame 156 when needing to measure second group data, can measure once more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. Coefficient of friction test machine, including fixed plate (1), its characterized in that: the bottom of the fixed plate (1) is fixedly connected with a plurality of fixed supporting feet (2), the bottom ends of the fixed supporting feet (2) are fixedly connected with a height adjusting seat (3), the top of the fixed plate (1) is fixedly connected with a test board (4), the top of the test board (4) is fixedly connected with a standard test board (5), a level gauge (6) is arranged at the top of the test board (4) and on one side of the standard test board (5), a mounting block (15) is placed above the standard test board (5), the top of the fixed plate (1) and on the left side of the test board (4) are fixedly connected with a fixed seat (7), the top of the fixed seat (7) is fixedly connected with a telescopic rod (8), a movable end of the telescopic rod (8) is fixedly connected with a fixed pulley (9), the top of the fixed plate (1) and on the left side of the fixed seat (, the utility model discloses a motor, including rectangle casing (10), the medial surface of rectangle casing (10) has pivot (11) through bearing swing joint, the side fixedly connected with wire winding of pivot (11) rolls circle (12), the inside wall of rectangle casing (10) just is located the top fixedly connected with driving motor (13) of pivot (11), the inside wall of rectangle casing (10) just is located the right side of driving motor (13) and is fixed to be connected with reduction gear (14).
2. The friction coefficient testing machine according to claim 1, wherein: the installation piece (15) includes installed part body (151), the equal threaded connection of the front and back both sides face of installed part body (151) has threaded rod (152), there is pinch-off blades (153) through swing joint spare swing joint in the inside that the one end of threaded rod (152) just is located installed part body (151), the other end of threaded rod (152) just is located outside fixedly connected with carousel (154) of installed part body (151), the equal fixedly connected with force sensor (155) of the left and right sides face of installed part body (151), the top fixedly connected with rectangle frame (156) of installed part body (151).
3. The friction coefficient testing machine according to claim 1, wherein: the output end of the driving motor (13) is in transmission connection with the speed reducer (14), and the power output end of the speed reducer (14) is in transmission connection with the rotating shaft (11).
4. The friction coefficient testing machine according to claim 3, wherein: a clutch is arranged between the speed reducer (14) and the rotating shaft (11).
5. The friction coefficient testing machine according to claim 2, wherein: the side surface of the tension sensor (155) is fixedly connected with a thin wire, and the thin wire is wound around the fixed pulley (9) and is fixedly connected with the winding rolling ring (12).
6. The friction coefficient testing machine according to claim 1, wherein: the upper surface of the standard test board (5) is flat and uniform in roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377482.XU CN212932341U (en) | 2020-07-14 | 2020-07-14 | Friction coefficient testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377482.XU CN212932341U (en) | 2020-07-14 | 2020-07-14 | Friction coefficient testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212932341U true CN212932341U (en) | 2021-04-09 |
Family
ID=75329980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021377482.XU Active CN212932341U (en) | 2020-07-14 | 2020-07-14 | Friction coefficient testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212932341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459990A (en) * | 2022-01-21 | 2022-05-10 | 国高材高分子材料产业创新中心有限公司 | Friction coefficient testing device |
-
2020
- 2020-07-14 CN CN202021377482.XU patent/CN212932341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459990A (en) * | 2022-01-21 | 2022-05-10 | 国高材高分子材料产业创新中心有限公司 | Friction coefficient testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207991489U (en) | A kind of running accuracy measuring device of bearing | |
| CN212932341U (en) | Friction coefficient testing machine | |
| CN113701942B (en) | Roller collar detection device and use method | |
| CN112504210B (en) | Machine case assembly measuring device | |
| CN218974017U (en) | Adjustment mechanism for cord shrinkage tester | |
| CN86206224U (en) | Rotation resistance testing equipment for supporting roller in belt conveyer | |
| CN202255342U (en) | Error detection device for indicating values of depth indication meter | |
| CN218270587U (en) | Steel pipe straightness detection device | |
| CN207408223U (en) | A kind of fibrous mechanical property tests system | |
| CN212058591U (en) | Bearing axial clearance measuring device | |
| CN212340089U (en) | Calliper device | |
| CN212559000U (en) | Main hoisting winch rope lining wearing and tearing volume rapid detection device | |
| CN213543454U (en) | Cylindrical part deflection detection device | |
| CN210775113U (en) | Solid density measuring instrument | |
| CN208953200U (en) | A kind of grinding wheel mass balance detection device | |
| CN212763011U (en) | Workpiece clamp for concentricity detection | |
| CN210486714U (en) | Water seal comprehensive detection device for engine cooling water pump | |
| CN209069160U (en) | A kind of fine module gear radial accuracy detection device used suitable for production scene | |
| CN112857645A (en) | Micro ball bearing friction torque testing device | |
| CN111624139A (en) | Full-automatic hydrophilic performance testing machine | |
| CN215766851U (en) | Crankshaft crank neck parallelism detection device | |
| CN218469688U (en) | Long tape measure scale size detection equipment | |
| CN210689706U (en) | Aligning roller bearing measuring instrument | |
| CN221147466U (en) | Motor shell depth rapid detection device | |
| CN218723829U (en) | Flatness detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.18, Changxing East Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee after: Furong new materials (Jiangsu) Co.,Ltd. Address before: No.18, Changxing East Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee before: FU RONG HUI INDUSTRY (JIANGSU) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |