CN103604710B - A kind of desk-top ring block friction and wear tester - Google Patents
A kind of desk-top ring block friction and wear tester Download PDFInfo
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- CN103604710B CN103604710B CN201310268674.5A CN201310268674A CN103604710B CN 103604710 B CN103604710 B CN 103604710B CN 201310268674 A CN201310268674 A CN 201310268674A CN 103604710 B CN103604710 B CN 103604710B
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Abstract
The invention discloses a kind of desk-top ring block friction and wear tester, comprise drive part, test portion, measure portion and loading section; The motor of drive part is fixed on support of motor, directly drives test ring to rotate by motor shaft; The test ring clamping of test portion is on the sleeve connecting motor shaft, and test block voussoir is clamped in can in the base clamp installed of multiposition; Measure portion is made up of temperature sensor and force cell; Loading section is manual loading, drives leading screw to promote spring-support plate, then is moved upward by spring push work platform, thus test ring is contacted with test block and jam-packed by bevel gear.The present invention can measure the change of test specimen temperature, friction force and friction factor under different loads effectively.
Description
Technical field
The present invention relates to a kind of mechanical friction abrasion test device, be specially a kind of desk-top ring block friction and wear tester.
Background technology
Friction during machine run between each motion causes the unhelpful loss of energy and the shortening of service life of a machine, and reduces the work efficiency of plant equipment, and the rubbing characteristics therefore effectively passing judgment on motion is quite important.And friction factor is the Important Parameters of the tribological property such as Wear vesistance, abrasion resistant effect of exosyndrome material, be thus necessary the friction factor measuring test material when studying the mutual fricting movement of sound sample.
In the prior art, the fixture of testing machine often Dou Shi unit puts clamping, and this brings inconvenience to the replica test under same test conditions, simultaneously to also existing defects in the utilization factor of sample material and test efficiency.2011, Jiao is good for (burnt strong. ring-block friction wear testing machine design studies [J]. world's manufacturing technology and EQUIPMENT MARKET GUIDE, 2011, (04) the ring block friction wear testing machine) designed, sample clamping device adopts the simple unit clamp of structure, does not consider the utilization factor to sample material and test efficiency simultaneously.The patent No. is disclose a kind of weight loading ring-piece type corrosive wear tester in the Chinese invention patent of 201010526678.5, its load mode is that lever-counterweight loads, the accuracy of load and continuity deficiency, limit the range of application of testing machine, and do not consider test block utilization factor and test efficiency.The patent No. is disclose a kind of bolt loading ring-block type corrosive wear testing machine in the Chinese invention patent of 201010526682.1, and this testing machine can not realize the repeatedly utilization of sample.
Summary of the invention
For deficiency of the prior art, of the present inventionly provide a kind of desk-top ring block friction and wear tester, to realize multiposition clamping, improve the utilization factor to sample material and test efficiency.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of desk-top ring block friction and wear tester, comprises loading section, drive part, test portion, measure portion, is characterized in that: described loading section comprises base, optical axis, spring-support plate, fixture support seat, first bearing, second bearing, transmission shaft, first bevel gear, handle, handwheel, thrust bearing, leading screw, nut, second bevel gear, spring, their installation, annexation is as follows: base is vertically provided with multiple optical axis, and multiple optical axis interlude is slidably fitted with spring-support plate, and multiple optical axis epimere is slidably fitted with fixture support seat, and base is also provided with the first bearing, second bearing, transmission shaft is rotatablely equipped with in two bearings, transmission shaft one end is stretched into after below spring-support plate and is provided with the first bevel gear, the transmission shaft other end is provided with the handwheel of band handle, on base, below spring-support plate, between multiple optical axis, position is provided with the vertical thrust bearing of central shaft, vertical leading screw is installed in thrust bearing, leading screw is equipped with the second bevel gear engaged with described first bevel gear drive, by through hole, nut is installed in the middle of spring-support plate, spring is connected with between bottom spring-support plate top and fixture support seat, and spring housing is outside leading screw, leading screw and nut screw connection,
Described drive part comprises electric machine support, AC servo motor, sleeve, test ring, their installation, annexation are as follows: the base being positioned at spring-support plate, fixture support seat rear is provided with electric machine support, electric machine support is just facing to spring-support plate and fixture support seat, the electric machine support back side is provided with output shaft and stretches to AC servo motor above fixture support seat horizontal through electric machine support, AC servo motor is provided with sleeve on the output shaft shaft part in electric machine support front, and on sleeve, clamping has test ring;
Described test portion comprises fixture support seat, lower spherical guide, ball retainer, ball, upper spherical guide, fixture slideway, fixture, sleeve, test ring, their installation, annexation is as follows: fixture support seat is fixed with lower spherical guide, lower spherical guide is provided with ball retainer, roll in ball retainer and be provided with ball, ball retainer top along with lower spherical guide directly over position horizontal direction be slidably fitted with upper spherical guide, upper spherical guide is fixedly installed a fixture slideway, fixture slideway is slidably fitted with the fixture of glide direction identical with upper spherical guide, test block is clamped with in fixture, test ring on sleeve is suspended from above fixture,
Measure portion comprises temperature sensor, force cell, their installation, annexation are as follows: temperature sensor is by the aperture contact test block in fixture slideway, force cell is arranged on test block fixture side, force cell is fixed on sensor stand, and sensor stand is fixed on fixture support seat.
Described spring-support plate, fixture support seat and optical axis junction are respectively arranged with the linear roller bearing be enclosed within optical axis.
Described fixture support seat is positioned at upper and lower spherical guide side and is provided with sensor stand, sensor stand is provided with force cell, one end contact of described force cell contacts with upper spherical guide sidepiece.During test, the test ring rotated contacts with test block, due to the effect of friction force, test ring rotates the trend that must make the oriented side's movement of test block, and will the direction of movement in test block, have a force cell to withstand spherical guide, the test ring above it can not be moved horizontally, the power that spherical guide on it moves horizontally kept out by force cell is exactly surveyed friction force.
Described fixture and fixture slipway clamp slot fit are installed, described fixture slideway dual-side has equally spaced five emissions grooves, such fixture and test block just can have five positions, just have five different contact points, thus realize the nonexpondable object of same test block from test ring.
There is arc surface described sleeve one end, and the end thereof contacts of its arc surface end and test ring is installed, and the other end is blocked by baffle ring and passes through bolt-locking.
Described spring-support plate is fixed with scale with bolt.
Advantage of the present invention is:
1. spring-support plate of the present invention, fixture support seat and optical axis junction are respectively arranged with the linear roller bearing be enclosed within optical axis, reduce spring-support plate, friction force between fixture support seat and optical axis, improve the precision of loading.
2. the surface of contact of sleeve of the present invention and test ring is set to arc surface, plays aligning effect, reduces test ring axis and the defeated coaxiality error of motor, is conducive to the uniform contact of test ring and test block, improves friction-wear test performance.
3. loading section of the present invention adopts bevel gear and guilde screw transmission, and this load mode makes testing machine structure compact, adds carried convenient.
4. fixture slideway side of the present invention has equally spaced five emissions grooves, and coordinate with fixture draw-in groove and install, make fixture and test block and test ring have five different contact points, thus same test block can repeatedly be used, improve test efficiency.
5. spring-support plate of the present invention is fixed with scale, loading numerical value can directly read, and uses convenient, quick.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is test ring of the present invention assembling schematic diagram.
Fig. 3 is fixture slideway structure schematic diagram of the present invention.
Fig. 4 is inner structure schematic three dimensional views of the present invention.
Fig. 5 is overall appearance schematic three dimensional views of the present invention.
In figure, each label is: 1-AC servo motor, 2-sleeve, 3-baffle ring, 4-test block, 5-fixture, 6-fixture slideway, the upper spherical guide of 7-, 8-fixture support seat, spherical guide under 9-, 10-spring, 11-handle, 12-handwheel, 13-base, 14-first bearing, 15-transmission shaft, 16-second bearing, 17-first bevel gear, 18-second bevel gear, 19-thrust bearing, 20-leading screw, 21-nut, 22-spring-support plate, 23-optical axis, 24-linear roller bearing, 25-electric machine support, 26-sensor stand, 27-force cell, 28-ball retainer, 29-ball, 30-test ring.
Embodiment
As shown in Figure 1 and Figure 4, a kind of desk-top ring block friction and wear tester is made up of loading section, drive part, test portion, measure portion.Loading section comprises base 13, optical axis 23, spring-support plate 22, fixture support seat 8, first bearing 14, second bearing 16, transmission shaft 15, first bevel gear 17, handle 11, handwheel 12, thrust bearing 19, leading screw 20, nut 21, second bevel gear 18, spring, their installation, annexation is as follows: base 13 is vertically provided with multiple optical axis 23, and multiple optical axis 23 interlude is provided with spring-support plate 22, and multiple optical axis 23 epimere is slidably fitted with fixture support seat 8, spring-support plate 22, fixture support seat 8 and optical axis 23 junction are respectively arranged with the linear roller bearing 24 be enclosed within optical axis, base 13 are also provided with the first bearing 14, second bearing 16, transmission shaft 15 is rotatablely equipped with in two bearings, transmission shaft 15 one end is stretched into after below spring-support plate 22 and is provided with the first bevel gear 17, transmission shaft 15 other end is provided with the handwheel 12 of band handle 11, on base 13 below spring-support plate 22 between multiple optical axis 23 position be provided with the vertical thrust bearing of central shaft 19, vertical leading screw 20 is rotatablely equipped with in thrust bearing 19, leading screw 20 is equipped with the second bevel gear 18 engaged with the first bevel gear 17 transmission, by through hole, nut 21 is installed in the middle of spring-support plate 22, spring 10 is connected with between bottom spring-support plate 22 top and fixture support seat 8, and spring housing 10 is outside leading screw 20, leading screw 20 coordinates with nut 21.
As Fig. 1, shown in Fig. 2 and Fig. 4, the drive part of test instrument comprises electric machine support 25, AC servo motor 1, sleeve 2, test ring 30, their installation, annexation is as follows: be positioned at spring-support plate 22, the base 13 at fixture support seat 8 rear is provided with electric machine support 25, electric machine support 25 is just facing to spring-support plate 22 and fixture support seat 8, electric machine support 25 back side is provided with output shaft and stretches to AC servo motor 1 above fixture support seat 8 horizontal through electric machine support 25, AC servo motor 1 is provided with sleeve 2 on the output shaft shaft part in electric machine support 25 front, on sleeve 2, clamping has test ring 30,
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the test portion of test instrument comprises fixture support seat 8, lower spherical guide 9, ball retainer 38, ball 29, upper spherical guide 7, fixture slideway 6, fixture 5, sleeve 2, test ring 30, their installation, annexation is as follows: fixture support seat 8 top is fixed with lower spherical guide 9, lower spherical guide 9 is provided with ball retainer 28, roll in ball retainer 28 and be provided with ball 29, ball retainer 28 top along with lower spherical guide 9 directly over position horizontal direction be slidably fitted with upper spherical guide 7, upper spherical guide 7 is provided with a fixture slideway 6, fixture slideway 6 is slidably fitted with the fixture 5 with the identical glide direction of upper spherical guide 7, fixture slideway 6 liang of avris seats have equally spaced five emissions grooves, fixture 5 is slidably fitted with in fixture slideway 6, test block 4 is clamped with in fixture 5, test ring 3 on sleeve 2 is suspended from above fixture 5.
As shown in figures 1 and 3, test block 4 is strip rectangles, and such object enables same test block repeat five experiments by shift position.Test block 4 voussoir is clamped on fixture 5, and fixture 5 can move left and right along fixture slideway 6, and is located by rectangular channel and clamped.Fixture slideway has equally spaced five emissions grooves, such fixture 5 and test block 3 just can have five positions, just have five different contact points, thus realize the nonexpondable object of same test block from test ring.
As shown in Figure 1 and Figure 4, the measure portion of test instrument comprises temperature sensor, force cell 27, their installation, annexation are as follows: temperature sensor is by the aperture contact test block 4 in fixture slideway 6, force cell 27 be arranged on test block fixture side, force cell is fixed on sensor stand 26, sensor stand is fixed on fixture support seat, and the gauge head of force cell 27 contacts with upper spherical guide 7 sidepiece.
As shown in Figure 5, in order to prevent test instrument inside from entering particle or dust, affecting the precision that test instrument is measured, test instrument inner structure steel plate is closed.
In concrete test, upper test specimen 3 is processed into annular on request, and lower test specimen 4 is processed into square, and surface is technique or coating process on request.Upper test specimen 3 is locked on sleeve 2, and lower test specimen 4 is placed in the fixture 5 below test specimen 3.Start servomotor 1, drive test ring 3 to rotate, shake handwheel 12 makes test block 4 move up, and realize loading, heap(ed) capacity is read by scale.Each sensor works simultaneously, by data processing, is transferred to computing machine, to obtain the relation of load and temperature, friction force and friction factor.When carrying out pressed powder test, by Powderjet device and dust sucking plant ancillary test, meanwhile, during test, test portion is closed, and avoids the dust granules sprayed pollute or hurt sb.'s feelings.
Claims (6)
1. a desk-top ring block friction and wear tester, comprises loading section, drive part, test portion, measure portion, is characterized in that: described loading section comprises base (13), optical axis (23), spring-support plate (22), fixture support seat (8), first bearing (14), second bearing (16), transmission shaft (15), first bevel gear (17), handle (11), handwheel (12), thrust bearing (19), leading screw (20), nut (21), second bevel gear (18), spring (10), their installation, annexation is as follows: base (13) is vertically provided with multiple optical axis (23), multiple optical axis (23) interlude is slidably fitted with spring-support plate (22), multiple optical axis (23) epimere is slidably fitted with fixture support seat (8), base (13) is also provided with the first bearing (14), second bearing (16), transmission shaft (15) is rotatablely equipped with in two bearings, transmission shaft (15) one end is provided with the first bevel gear (17) after stretching into spring-support plate (22) below, transmission shaft (15) other end is provided with the handwheel (12) of band handle (11), base (13) is positioned at position between spring-support plate (22) the multiple optical axis in below (23) and is provided with the vertical thrust bearing of central shaft (19), vertical leading screw (20) is installed in thrust bearing (19), leading screw (20) is equipped with the second bevel gear (18) engaged with the transmission of described first bevel gear (17), by through hole, nut (21) is installed in the middle of spring-support plate (22), spring (10) is connected with between spring-support plate (22) top and fixture support seat (8) bottom, and spring (10) is enclosed within leading screw (20) outward, leading screw (20) coordinates with nut (21),
Described drive part comprises electric machine support (25), AC servo motor (1), sleeve (2), test ring (30), their installation, annexation is as follows: be positioned at spring-support plate (22), the base (23) at fixture support seat (8) rear is provided with electric machine support (25), electric machine support (25) is just facing to spring-support plate (22) and fixture support seat (8), electric machine support (25) back side is provided with output shaft stretches to fixture support seat (8) top AC servo motor (1) horizontal through electric machine support (25), AC servo motor (1) is provided with sleeve (2) on the output shaft shaft part in electric machine support (25) front, the upper clamping of sleeve (2) has test ring (30),
Described test portion comprises lower spherical guide (9), ball retainer (28), ball (29), upper spherical guide (7), fixture slideway (6), fixture (5), their installation, annexation is as follows: fixture support seat (8) is fixed with lower spherical guide (9), lower spherical guide (9) is provided with ball retainer (28), roll in ball retainer (28) and be provided with ball (29), ball retainer (28) top along with lower spherical guide (9) directly over position horizontal direction be slidably fitted with upper spherical guide (7), upper spherical guide (7) is fixedly installed a fixture slideway (6), fixture slideway (6) is slidably fitted with the fixture (5) with upper spherical guide (7) identical glide direction, test block (4) is clamped with in fixture (5), test ring (30) on sleeve (2) is suspended from above fixture,
Measure portion comprises temperature sensor, force cell (27), their installation, annexation are as follows: temperature sensor is by the aperture contact test block in fixture slideway (6), force cell (27) be arranged on test block fixture side, force cell (27) is fixed on sensor stand (26), and sensor stand (26) is fixed on fixture support seat (8).
2. one according to claim 1 desk-top ring block friction and wear tester, is characterized in that: described spring-support plate (22), fixture support seat (8) and optical axis (23) junction are respectively arranged with the linear roller bearing (24) be enclosed within optical axis (23).
3. one according to claim 1 desk-top ring block friction and wear tester, it is characterized in that: described fixture support seat (8) is positioned at upper and lower spherical guide (7,9) side and is provided with sensor stand (26), sensor stand (26) is provided with force cell (27), one end contact of described force cell (27) contacts with upper spherical guide (7) sidepiece.
4. one according to claim 1 desk-top ring block friction and wear tester, is characterized in that: described fixture slideway (6) two avris seat has equally spaced five emissions grooves.
5. one according to claim 1 desk-top ring block friction and wear tester, it is characterized in that: one end and one end of described test ring (30) have the sleeve of arc surface (2) to contact to install, and the other end is blocked by baffle ring (3) and passed through bolt lock.
6. one according to claim 1 desk-top ring block friction and wear tester, is characterized in that: (22) are fixed with scale with bolt to described spring-support plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310268674.5A CN103604710B (en) | 2013-06-23 | 2013-06-23 | A kind of desk-top ring block friction and wear tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310268674.5A CN103604710B (en) | 2013-06-23 | 2013-06-23 | A kind of desk-top ring block friction and wear tester |
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| CN103604710A CN103604710A (en) | 2014-02-26 |
| CN103604710B true CN103604710B (en) | 2016-03-23 |
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| CN201310268674.5A Expired - Fee Related CN103604710B (en) | 2013-06-23 | 2013-06-23 | A kind of desk-top ring block friction and wear tester |
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| CN103604710A (en) | 2014-02-26 |
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