CN2273015Y - Reciprocating flat surface wear test machine - Google Patents
Reciprocating flat surface wear test machine Download PDFInfo
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- CN2273015Y CN2273015Y CN 96238736 CN96238736U CN2273015Y CN 2273015 Y CN2273015 Y CN 2273015Y CN 96238736 CN96238736 CN 96238736 CN 96238736 U CN96238736 U CN 96238736U CN 2273015 Y CN2273015 Y CN 2273015Y
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- testing machine
- surface wear
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Abstract
The utility model relates to a reciprocating flat surface abrasion testing machine. A machine frame is symmetrically provided with two sets of crank connecting rod mechanisms with identical structures in parallel, guiding ways, a lower sliding vehicle of test samples, an upper clamping tool of the test samples, a supporting bracket of the clamping tool, a lever loading mechanism and a load bearing head with a spiral spherical surface. The utility model can simultaneously conduct two sets of abrasion tests and shorten the total experimental time and the utility model simultaneously has high experimental precision and good repeatability. The clamping tool uses an automatic position adjusting mechanism and can eliminate the phenomenon of eccentric abrasion. The lower sliding vehicle of the test samples uses a rolling body to enable moving resistance to be small. The utility model has a little heating phenomenon and flexible, convenient and reliable action.
Description
The utility model belongs to reciprocating motion type surface wear testing machine field.
Reciprocating surface wear testing machine can be used for simulating the to-and-fro movement and the plane contact friction wearing and tearing working condition of actual part, to the surface coating of part material itself or material, test evaluation as the friction and wear behavior of coating, coating or thermal treatment layer etc.Existing reciprocating surface wear testing machine has only the test battery system, once can only carry out battery of tests, as the MS-3 type of Beijing Machine Tool Inst..In the time will carrying out two groups of contrast tests, will be divided into secondary and do, it is long so not only to test the required time, and sometimes because of the variation of twice experimental situation condition, variation as temperature, humidity, voltage etc. will cause that the wear test result has error, make the repeatability as a result of wear measurement bad.In addition, on existing reciprocating type abrasion tester, ubiquity eccentric wear problem, this is owing to last sample and last sample holder bad the causing of specifically coincideing, last sample and the concrete mated condition of last sample holder, as shown in Figure 1.Because last one manufacturing procedure of detected wearing and tearing sample generally requires grinding, so can guarantee any two corresponding plane parallel of each sample.But the angle α on general adjacent two planes is difficult to guarantee into 90 °, and corresponding angles β (90 °) that therefore can not be concrete with last sample holder fits like a glove.When going up sample with holding screw fixedly the time, fit mutually in the side of last sample and the side of its clamp body, and upper and lower surface has produced certain inclination, has therefore caused eccentric wear, makes test figure untrue or repeated bad.
The purpose of this utility model provides a kind of reciprocating surface wear testing machine with two cover abrasion test devices, it can carry out two groups of wear tests simultaneously, to shorten total test period, and make two groups of tests have identical experimental situation and condition, have higher precision and better repeatability to guarantee experiment.In order to solve the eccentric wear problem of sample, the present invention adopts a kind of special entity to guarantee that the sample contact is good up and down in last specimen holder, can eliminate sample eccentric wear problem.The motion of this test unit is flexible, friction is little.
The utility model is achieved through the following technical solutions, and reciprocating surface wear testing machine is made up of frame (1), motor (2), gear case (3), toggle, guide rail (30), time sample coaster (28), last specimen holder (I), fixture supports frame (16), lever load maintainer.This testing machine has been installed the identical toggle of two nested structures, guide rail, following sample coaster, has been gone up specimen holder, fixture supports frame, lever load maintainer and spiral sphere carrier head (II) in the parallel symmetry in crank axle (8) two ends, be equipped with one on the last sample holder in the last specimen holder (I) concrete (26) from whole circle of position cylinder (32), a plane (b) with parallel axes is arranged on this right cylinder.
Two row's balls (29) are housed below the following sample coaster (28) of reciprocating surface wear testing machine, evenly separate with plate shape ball retainer (14) between each ball, and be installed on the guide rail (30) with two row's semicircular arc grooves (a).
Spiral sphere carrier head (II) is made up of steel ball (20), gland (21), the screw rod (22) that has circular groove (c), and screw rod is screwed in the top of sample holder concrete (26) by screw thread.
Detection table (18) is housed on the loading head in the lever load maintainer (19).
The guiding theory of the utility model technical solution is: rack-mounted motor passes through belt gear, gear case is passed in motion, through after the gear change, pass motion to the two cover crank linkage assemblys that are installed in parallel in the crank axle two ends, the rotation of motor is become the linear reciprocating motion of following sample.Last sample is contained in the specimen holder, maintains static.Utilize the lever load maintainer with load by loading head, steel ball, spiral sphere carrier head, go up sample holder and specifically be applied on the sample, upper and lower sample contact, through sample several times linear reciprocating motion down, upper and lower sample produces and weares and teares.By change in size or the weight change of measuring upper and lower sample, just know the abrasion amount of upper and lower sample.In last specimen holder, adopt whole certainly circle of position cylinder mechanism, guaranteed that the sample contact is all right up and down, eliminated the eccentric wear phenomenon.For reducing the frictional resistance in the motion, will play sample coaster and lower guideway contact portion and side that rolling body all has been installed, make flexible movements, light.
Effect of the present utility model is to utilize two groups of experimental provisions that structure is identical provided by the invention, can carry out one group of experiment on a machine simultaneously, and promptly as many as two testing machine work can be shortened experimental period greatly.Because of experimental situation (temperature, humidity, voltage etc.) is identical, the experimental result error is little, precision height, good reproducibility.Adopt rolling friction to replace original sliding friction between following sample coaster and the guide rail, the resistance of motion is little, and it is little to generate heat, flexible movements, light, testing machine long service life.
Accompanying drawing 2 is front views of reciprocating surface wear testing machine.
Accompanying drawing 3 is vertical views of reciprocating surface wear testing machine.
Accompanying drawing 4 is last specimen holder (I) and the spiral sphere carrier heads (II) that have from whole position device.
Be an embodiment of the present utility model below, be described with reference to the accompanying drawings.
The motor (2) that is contained on the frame (1) is passed to gear case (3) by belt gear (4) with motion, after gear (5), (6), (7) speed change, crank axle (8) (seeing accompanying drawing 2) in the identical toggle of rack-mounted two nested structures of parallel symmetry is passed in motion, crank axle drives crankwheel (9) and rotates, through crank pins (10), connecting rod (11), drive slide block (12) and connecting link (13), following sample coaster (28) do reciprocating linear motion.Following sample (15) is contained in down in the sample coaster, two row's balls (29) are housed below the following sample coaster (28), evenly separate with plate shape retainer (14) between each ball, and be installed on the guide rail (30) with two row's semicircular arc grooves (a), sample did reciprocating linear motion on guide rail under following sample coaster drove.Last sample (27) is placed in the clamp body from whole circle of position cylinder (32) to be equipped with one on the last sample holder in the last specimen holder (I) concrete (26), by holding screw (31), whole certainly circle of position cylinder (32), be clamped in sample holder specifically in.Be processed with a plane (b) with parallel axes on whole circle of position cylinder, it can rotate along with the differing tilt angles α of last sample side, sees Fig. 4.Thereby guarantee that clamp body and clamped test specimen can well fit, eliminated the eccentric wear phenomenon.Steel ball (20) in the spiral sphere carrier head (II) is fixed on the carrier head by gland (21), and gland and carrier head can be glued together.Screw thread is arranged at the bottom of carrier head, by screw thread carrier head is installed in the concrete top of sample holder.When doing experiment with the test specimen of differing heights, the spiral carrier head can be screwed in and screws out, make lever be transferred to level.The lever load maintainer is made up of lever (23), counterweight (24), lever balancing weight (17), loading head (19), detection table (18) is housed, as clock gauge on the loading head (19).In carrying out the wear test process, upper and lower sample produces wearing and tearing, and lever is descended, and this will make and detect meter reading and change, and therefore can be used for the size of test samples wear extent.
Claims (4)
1. one kind by frame [1], motor [2], gear case [3], toggle, guide rail [30], following sample coaster [28], last specimen holder [1], fixture supports frame [16], the reciprocating surface wear testing machine that the lever load maintainer is formed, it is characterized in that, the parallel symmetry in crank axle [8] two ends has been installed two cover crank linkage assemblys, guide rail, following sample coaster, last specimen holder, the fixture supports frame, lever load maintainer and spiral sphere carrier head [II], be equipped with one on the last sample holder in the last specimen holder [I] concrete [26] from whole circle of position cylinder [32], a plane [b] with parallel axes is arranged on this right cylinder.
2. reciprocating surface wear testing machine according to claim 1, it is characterized in that, the following two row's balls [29] that are equipped with of following sample coaster [28] evenly separate with plate shape ball retainer [14] between each ball, and are installed on the guide rail [30] with two row's semicircular arc grooves [a].
3. reciprocal surface wear testing machine according to claim 1 and 2, it is characterized in that, spiral sphere carrier head [II] is made up of steel ball [20], gland [21], the screw rod [22] that has circular groove [c], and screw rod is screwed in sample holder concrete [26] top by screw thread.
4. reciprocating surface wear testing machine according to claim 3 is characterized in that on the loading head [19] in the lever load maintainer detection table [18] being housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96238736 CN2273015Y (en) | 1996-10-09 | 1996-10-09 | Reciprocating flat surface wear test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96238736 CN2273015Y (en) | 1996-10-09 | 1996-10-09 | Reciprocating flat surface wear test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2273015Y true CN2273015Y (en) | 1998-01-21 |
Family
ID=33913957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96238736 Expired - Fee Related CN2273015Y (en) | 1996-10-09 | 1996-10-09 | Reciprocating flat surface wear test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2273015Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183063B (en) * | 2007-12-07 | 2010-08-11 | 燕山大学 | Vertical type sucker rod centralizer friction wear testing machine |
| CN101556238B (en) * | 2009-05-11 | 2011-11-16 | 中国船舶重工集团公司第七二五研究所 | Device and method for testing linear reciprocating sliding friction and abrasion |
| CN103604716A (en) * | 2013-11-27 | 2014-02-26 | 广州铁路职业技术学院 | Screw rod spiral groove accelerated wear tester and test method thereof |
| CN105806724A (en) * | 2014-12-29 | 2016-07-27 | 核工业西南物理研究院 | Material plane contact friction performance test device |
| CN111006945A (en) * | 2019-12-23 | 2020-04-14 | 万华化学集团股份有限公司 | Sample loading device for pipeline erosion corrosion test |
-
1996
- 1996-10-09 CN CN 96238736 patent/CN2273015Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183063B (en) * | 2007-12-07 | 2010-08-11 | 燕山大学 | Vertical type sucker rod centralizer friction wear testing machine |
| CN101556238B (en) * | 2009-05-11 | 2011-11-16 | 中国船舶重工集团公司第七二五研究所 | Device and method for testing linear reciprocating sliding friction and abrasion |
| CN103604716A (en) * | 2013-11-27 | 2014-02-26 | 广州铁路职业技术学院 | Screw rod spiral groove accelerated wear tester and test method thereof |
| CN105806724A (en) * | 2014-12-29 | 2016-07-27 | 核工业西南物理研究院 | Material plane contact friction performance test device |
| CN111006945A (en) * | 2019-12-23 | 2020-04-14 | 万华化学集团股份有限公司 | Sample loading device for pipeline erosion corrosion test |
| CN111006945B (en) * | 2019-12-23 | 2022-07-12 | 万华化学集团股份有限公司 | Sample loading device for pipeline erosion corrosion test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |