CN103604710A - Desk type annular block abrasion and wear tester - Google Patents
Desk type annular block abrasion and wear tester Download PDFInfo
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- CN103604710A CN103604710A CN201310268674.5A CN201310268674A CN103604710A CN 103604710 A CN103604710 A CN 103604710A CN 201310268674 A CN201310268674 A CN 201310268674A CN 103604710 A CN103604710 A CN 103604710A
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Abstract
The invention discloses a desk type annular block abrasion and wear tester. The tester comprises a driving part, a testing part, a measuring part, and a loading part; the motor of the driving part is fixed on a motor support, a test ring is directly driven to rotate by the motor shaft; the test ring in the testing part is arranged on a sleeve which is connected to the motor shaft, a test block is tightly clamped with wedges in a bottom seat clamp which can be arranged in a plurality of positions; the measuring part is composed of a temperature sensor and a force measuring sensor; the loading part is manually operated, a bevel wheel drives a screw rod to push a spring support plate, and then the spring pushes a workbench move upward so as to tightly press the test ring to the test block. The desk type annular block abrasion and wear tester can effectively measure the test piece temperature, frictional force, and change of frictional coefficient under different loads.
Description
Technical field
The present invention relates to a kind of mechanical friction abrasion test device, be specially a kind of desk-top ring piece 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 has reduced the work efficiency of plant equipment, and the rubbing characteristics of therefore effectively passing judgment on motion is quite important.And friction factor is the Important Parameters of the tribological properties such as the Wear vesistance of exosyndrome material, wear-resisting effect, thereby be necessary to measure the friction factor of test material when the mutual fricting movement of research sound sample.
In the prior art, the fixture of testing machine often Dou Shi unit is put clamping, and this has brought inconvenience to the replica test under same test conditions, also has defect aspect the utilization factor of sample material and test efficiency simultaneously.2011, burnt being good for (burnt strong. ring-piece friction wear testing machine design studies [J]. world's manufacturing technology and EQUIPMENT MARKET GUIDE, 2011, (04)) the ring piece friction wear testing machine of design, sample clamp device adopts unit clamp simple in structure, does not consider the utilization factor of sample material and test efficiency simultaneously.The patent No. is to disclose a kind of weight loading ring-piece type corrosive wear tester in 201010526678.5 Chinese invention patent, its load mode is that lever-counterweight loads, the accuracy of load and continuity are not enough, limit the range of application of testing machine, and do not considered test block utilization factor and test efficiency.The patent No. is to disclose a kind of bolt loading ring-block type corrosive wear testing machine in 201010526682.1 Chinese invention patent, and this testing machine can not be realized 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 piece friction and wear tester, to realize multiposition clamping, improve the utilization factor of sample material and test efficiency.
In order to achieve the above object, the technical solution adopted in the present invention is:
A desk-top ring piece 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, the first bearing, the second bearing, transmission shaft, the first bevel gear, handle, handwheel, thrust bearing, leading screw, nut, the second bevel gear, spring, their installation, annexation is as follows: on base, be vertically provided with a plurality of optical axises, a plurality of optical axis interludes are slidably fitted with spring-support plate, and a plurality of optical axis epimeres are slidably fitted with fixture support seat, are also provided with the first bearing on base, the second bearing, in two bearings, be rotatablely equipped with transmission shaft, transmission shaft one end is provided with the first bevel gear after stretching into spring-support plate below, the transmission shaft other end is provided with the handwheel with handle, on base, below spring-support plate, between a plurality of optical axises, position is provided with the vertical thrust bearing of central shaft, vertical leading screw is installed in thrust bearing, on leading screw, be equipped with the second bevel gear with described the first bevel gear drive engagement, in the middle of spring-support plate, by through hole, nut is installed, between spring-support plate top and fixture support seat bottom, be connected with spring, and spring housing is outside leading screw, and leading screw coordinates with nut,
Described drive part comprises electric machine support, AC servo motor, sleeve, test ring, their installation, annexation are as follows: be positioned on the base at spring-support plate, fixture support seat rear and be 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 level and through electric machine support, stretches to the AC servo motor of fixture support seat top, 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: on fixture support seat, be fixed with lower spherical guide, on lower spherical guide, be provided with ball retainer, in ball retainer, roll 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, on upper spherical guide, be fixedly installed a fixture slideway, on fixture slideway, be slidably fitted with the fixture with the identical glide direction of upper spherical guide, in fixture, clamping has test block, test ring on sleeve is suspended from fixture top,
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 one 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 being enclosed within on optical axis.
On described fixture support seat, be positioned at upper and lower spherical guide one side and be provided with sensor stand, be provided with force cell on sensor stand, one end contact of described force cell contacts with upper spherical guide sidepiece.During test, the test ring of rotation contacts with test block, effect due to friction force, the trend that test ring rotation must make the oriented side of test block move, and the direction that will move in test block, have a force cell to withstand spherical guide, the test ring above it can not be moved horizontally, it is exactly surveyed friction force that force cell is kept out the power that on it, spherical guide moves horizontally.
Described fixture coordinates installation with fixture slideway draw-in groove, described fixture slideway dual-side has equally spaced five emissions grooves, fixture and test block just can have five positions like this, just have five different contact points, thereby realize the nonexpondable object of same test block from test ring.
There is arc surface described sleeve one end, and an end in contact of its arc surface end and test ring installs, and the other end is blocked by baffle ring and passes through bolt-locking.
On described spring-support plate, with bolt, be fixed with scale.
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 being enclosed within on optical axis, have reduced the friction force between spring-support plate, fixture support seat and optical axis, have improved the precision loading.
2. the surface of contact of sleeve of the present invention and test ring is set to arc surface, plays aligning effect, has reduced the defeated coaxiality error of test ring axis and 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. on fixture slideway side of the present invention, have equally spaced five emissions grooves, and coordinate installation with fixture draw-in groove, make fixture and test block and test ring have five different contact points, thereby same test block can repeatedly be used, improved test efficiency.
5. on spring-support plate of the present invention, be 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 assembling schematic diagram of the present invention.
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-the first bearing, 15-transmission shaft, 16-the second bearing, 17-the first bevel gear, 18-the 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 piece friction and wear tester is comprised 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, the first bearing 14, the second bearing 16, transmission shaft 15, the first bevel gear 17, handle 11, handwheel 12, thrust bearing 19, leading screw 20, nut 21, the second bevel gear 18, spring, their installation, annexation is as follows: on base 13, be vertically provided with a plurality of optical axises 23, a plurality of optical axis 23 interludes are provided with spring-support plate 22, and a plurality of optical axis 23 epimeres are slidably fitted with fixture support seat 8, spring-support plate 22, fixture support seat 8 is respectively arranged with optical axis 23 junctions the linear roller bearing 24 being enclosed within on optical axis, is also provided with the first bearing 14 on base 13, the second bearing 16, in two bearings, be rotatablely equipped with transmission shaft 15, transmission shaft 15 one end are provided with the first bevel gear 17 after stretching into spring-support plate 22 belows, transmission shaft 15 other ends are provided with the handwheel 12 with handle 11, on base 13 below spring-support plate 22 between a plurality of optical axises 23 position be provided with the vertical thrust bearing of central shaft 19, in thrust bearing 19, be rotatablely equipped with vertical leading screw 20, on leading screw 20, be equipped with the second bevel gear 18 with the first bevel gear 17 transmission engagements, in the middle of spring-support plate 22, by through hole, nut 21 is installed, between spring-support plate 22 tops and fixture support seat 8 bottoms, be connected with spring 10, 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, on the base 13 at fixture support seat 8 rears, be 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 sides are provided with the AC servo motor 1 that output shaft level is stretched to fixture support seat 8 tops 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 fronts, 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 tops are fixed with lower spherical guide 9, on lower spherical guide 9, be provided with ball retainer 28, in ball retainer 28, roll and be provided with ball 29, ball retainer 28 tops along with lower spherical guide 9 directly over position horizontal direction be slidably fitted with upper spherical guide 7, on upper spherical guide 7, be provided with a fixture slideway 6, on fixture slideway 6, be slidably fitted with the fixture 5 with upper spherical guide 7 identical glide directions, 6 liang of avris seats of fixture slideway have equally spaced five emissions grooves, in fixture slideway 6, be slidably fitted with fixture 5, in fixture 5, clamping has test block 4, test ring 3 on sleeve 2 is suspended from fixture 5 tops.
As shown in figures 1 and 3, test block 4 is strip rectangles, and such object is to make same test block can repeat five experiments by shift position.Test block 4 use voussoirs are clamped on fixture 5, and fixture 5 can move left and right along fixture slideway 6, and are located and clamped by rectangular channel.On fixture slideway, have equally spaced five emissions grooves, fixture 5 and test block 3 just can have five positions like this, just have five different contact points, thereby 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 one 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 sidepieces.
As shown in Figure 5, in order to prevent that test instrument inside from entering particle or dust, affect the precision that test instrument is measured, test instrument inner structure is sealed with steel plate.
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 processing on request.Upper test specimen 3 is locked on sleeve 2, and lower test specimen 4 is placed in the fixture 5 of test specimen 3 belows.Start servomotor 1, drive test ring 3 rotations, shake handwheel 12 test block 4 is moved up, realize and loading, heap(ed) capacity is read by scale.Each sensor is worked simultaneously, by data processing, be transferred to computing machine, to obtain the relation of load and temperature, friction force and friction factor.When carrying out pressed powder test, by powderject device and dust sucking plant ancillary test, meanwhile, test portion sealing during test, avoids the dust granules spraying pollute or hurt sb.'s feelings.
Claims (6)
1. a desk-top ring piece 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), the first bearing (14), the second bearing (16), transmission shaft (15), the first bevel gear (17), handle (11), handwheel (12), thrust bearing (19), leading screw (20), nut (21), the second bevel gear (18), spring (10), their installation, annexation is as follows: on base (13), be vertically provided with a plurality of optical axises (23), a plurality of optical axises (23) interlude is slidably fitted with spring-support plate (22), a plurality of optical axises (23) epimere is slidably fitted with fixture support seat (8), is also provided with the first bearing (14) on base (13), the second bearing (16), in two bearings, be rotatablely equipped with transmission shaft (15), 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), on base (13), be positioned at position between spring-support plate (22) a plurality of optical axises in below (23) and be provided with the vertical thrust bearing of central shaft (19), vertical leading screw (20) is installed in thrust bearing (19), on leading screw (20), be equipped with the second bevel gear (18) with described the first bevel gear (17) transmission engagement, in the middle of spring-support plate (22), by through hole, nut (21) is installed, between spring-support plate (22) top and fixture support seat (8) bottom, be connected with spring (10), and spring (10) is enclosed within outside leading screw (20), 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), on the base (23) at fixture support seat (8) rear, be 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 level and through electric machine support (25), stretches to the AC servo motor (1) of fixture support seat (8) top, 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 fixture support seat (8), lower spherical guide (9), ball retainer (28), ball (29), upper spherical guide (7), fixture slideway (6), fixture (5), sleeve (2), test ring (30), their installation, annexation is as follows: on fixture support seat (8), be fixed with lower spherical guide (9), on lower spherical guide (9), be provided with ball retainer (28), in ball retainer (28), roll 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), on upper spherical guide (7), be fixedly installed a fixture slideway (6), on fixture slideway (6), be slidably fitted with the fixture (5) with the identical glide direction of upper spherical guide (7), in fixture (5), clamping has test block (4), test ring (30) on sleeve (2) is suspended from fixture top,
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 one side, it is upper that force cell (27) is fixed on sensor stand (26), and sensor stand (26) is fixed on fixture support seat (8).
2. a kind of desk-top ring piece friction and wear tester according to claim 1, is characterized in that: described fixture slideway (6) dual-side has equally spaced five emissions grooves, and described fixture (5) coordinates installation with fixture slideway (6) draw-in groove.
3. a kind of desk-top ring piece friction and wear tester according to claim 1, is characterized in that: described spring-support plate (22), fixture support seat (8) are respectively arranged with optical axis (23) junction the linear roller bearing (24) being enclosed within on optical axis (23).
4. a kind of desk-top ring piece friction and wear tester according to claim 1, it is characterized in that: on described fixture support seat (8), be positioned at upper and lower spherical guide (7, a 9) side and be provided with sensor stand (26), on sensor stand (26), be provided with force cell (27), one end contact of described force cell (27) contacts with upper spherical guide (7) sidepiece.
5. a kind of desk-top ring piece friction and wear tester according to claim 1, is characterized in that: there is arc surface described sleeve (2) one end, an end in contact of arc surface and test ring (30), and by baffle ring (3) and bolt-locking.
6. a kind of desk-top ring piece friction and wear tester according to claim 1, is characterized in that: described spring-support plate (22) is upper is fixed with scale with bolt.
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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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| 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 true CN103604710A (en) | 2014-02-26 |
| CN103604710B CN103604710B (en) | 2016-03-23 |
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| CN105158100A (en) * | 2015-09-25 | 2015-12-16 | 沈阳工业大学 | Ring and block friction abrasion testing machine with abrasion gap adjusting function |
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| CN106353211A (en) * | 2016-08-12 | 2017-01-25 | 国网新疆电力公司电力科学研究院 | Wear tester for electric power fittings |
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