CN202693307U - Friction driving type bearing performance testing equipment - Google Patents
Friction driving type bearing performance testing equipment Download PDFInfo
- Publication number
- CN202693307U CN202693307U CN 201220401161 CN201220401161U CN202693307U CN 202693307 U CN202693307 U CN 202693307U CN 201220401161 CN201220401161 CN 201220401161 CN 201220401161 U CN201220401161 U CN 201220401161U CN 202693307 U CN202693307 U CN 202693307U
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- performance testing
- friction wheel
- testing equipment
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Abstract
The utility model relates to friction driving type bearing performance testing equipment. The driving type bearing performance testing equipment comprises a motor, a speed changer and a friction wheel driven by the motor. Vertical plates vertical to the axis of the friction wheel are arranged between the friction wheel and the speed changer, and the vertical plates are equipped with multiple groups of tracks around the periphery of the friction wheel, wherein the tracks are directed to the center of the friction wheel, distributed evenly along the periphery of the friction wheel, and arranged in pairs; a basic shaft seat is arranged on each track, wherein the basic shaft seat is driven by a cylinder, and slides along the track; a shaft core is arranged on the basic shaft seat, wherein the shaft core is used for installing a tested bearing, and is parallel with the axis of the friction wheel; and a fixing device is arranged in the top of the shaft core, wherein the fixing device axially fixes the tested bearing. The friction driving type bearing performance testing equipment has the advantages including high condition simulating degree, reasonable and compact structure, comprehensive performance testing, low energy consumption, and convenient operation, is used for verifying and improving bearing design, and determining whether sealing property, temperature rise property and bearing life of a finished product satisfy design and usage requirements, increases the contrast ratio of testing results, and improves the testing efficiency.
Description
[technical field]
The utility model relates to a kind of bearing test equipment, the especially special-purpose double-row angular contact bal bearing of elevator traction machine unit sealing, temperature rise performance and running life simulated test facility.
[background technology]
Novel gearless elevator drag machine Special seal double-row angular contact bal bearing unit, mainly bear during its work through the traction steel band and radially put on lift car mass loading on the outer ring, inner ring is relatively fixing during work, and the outer ring is done batch (-type) alternation commutation acceleration and deceleration, break-in rotation by traction steel band friction drive and had a rest and stop.It is peace and quiet, clean and tidy that operation noise, temperature rise and the sealing characteristics of bearing unit directly affects elevator cage operation stationarity, comfort level and elevator box, simultaneously, leak-tight seal design with the prelubricated bearing unit, can effectively stop to skid because grease enters to produce between profile of tooth steel band and bearing outer ring, the potential safety hazard that elevator rapid drawdown, all standing occur, and but the width of cloth is simplified daily servicing and is eliminated elevator box oil pollution, energy-conserving and environment-protective.For verifying and improve design bearing and judging whether the finished product performance satisfies request for utilization, needs carry out sealing effectiveness, temperature characteristic, vibration noise simulation test according to elevator real-world operation situation to bearing unit.Existing similar functions outer ring swivel bearing performance testing equipment mostly is cantilevered support structure, loads and the drive system complexity, and usually only can overlap bearings by test sheet cover or two at every turn, and it is long that test figure and result obtain the cycle, poor contrast.The applicant is for outer ring, traction machine special bearing unit rotation under the load condition, and frequently forward, reverse, the rising when stopping to adapt to the elevator real work, stressed, the operating mode and the operation characteristics that descend and have a rest and stop, developed a kind of friction-driving bearing performance testing equipment, by adjustable cylinder to the bearing imposed load and drive simultaneously many group bearings by the friction pulley of Controlled by Programmable Controller central part setting and carry out operational test.
[utility model content]
The purpose of this utility model is to be to overcome the deficiencies in the prior art, high, the rational in infrastructure compactness of a kind of Work condition analogue degree, performance test is comprehensive, energy consumption is low, easy to operate a kind of friction-driving bearing performance testing equipment are provided, in order to verify and to improve design bearing and to judge whether finished product sealing, temperature characteristic and bearing life satisfy the design and use requirement, increase the comparison of test results degree, improve test efficiency.
The utility model is taked following technical proposals:
A kind of friction-driving bearing performance testing equipment, it comprises motor, variator, friction pulley and the riser vertical with the friction pulley axis, described riser is provided with the some groups of tracks that point to the friction pulley center in the friction pulley periphery, and all tracks are along the symmetrical and paired setting of friction pulley periphery; Be provided with under cylinder promotes the standard shaft seat that can slide along track at described track, described standard shaft seat be provided with the installation test bearing and with the axle core of friction wheel axle line parallel; Described axle core top is provided with the stationary installation of axial restraint test bearing.
In the improvement project to above-mentioned a kind of friction-driving bearing performance testing equipment, described stationary installation comprises the pressing plate with U-shaped breach, curved surface backing plate with concave curvatures, be located at the screw clamp depression bar at axle core center and by the hinged cramping handle of bearing pin and screw clamp depression bar, cramping handle head is for coincideing with curved surface backing plate curved surface and can dragging the eccentric pinch roller of convex that the curved surface backing plate rotates with the screw clamp depression bar.
Compared with prior art, the beneficial effects of the utility model are:
1), the utility model adopts center friction pulley driving bearing to carry out operational test, do the acceleration and deceleration rotation by Programmable Logic Controller realization stepless change, regularly break-in and static circulation, load piston to every cover test bearing imposed load radially by adjustable cylinder, but loaded state reaches as adapting to the elevator liter during real work of altitude simulation bearing, fall and the forward in the stopping time of having a rest, counter-rotating and stop to switch, its driving and loading system are simple in structure, easy to operate, load good stability, its Work condition analogue degree is high, compactness rational in infrastructure, performance test is comprehensive, and energy consumption is low, in order to checking and improvement design bearing and the sealing of judgement finished product, whether temperature characteristic and bearing life satisfy the design and use requirement, increase the comparison of test results degree, improve test efficiency;
2), because bearing unit directly is installed on the testing equipment stand backboard, adopt the supporting structure of semi-girder or free beam with respect to existing similar performance testing equipment more, have better rigidity, be easy to installation and removal;
3), overlap more bearing simultaneously running in have the characteristics such as test efficiency is high, result's contrast property is strong, be particularly useful for leaking fat, temperature rise quality level require high, the bearing test that sample size is many.
4), in better embodiment because the test bearing unit is symmetrical and be in the layout of in pairs the friction pulley periphery with planetary mode, the power that every pair of test bearing is acted on the friction pulley is cancelled out each other so that the friction pulley smooth running, long service life.
Below in conjunction with the drawings and specific embodiments the utility model is further specified:
[description of drawings]
Fig. 1 is front elevation of the present utility model;
Fig. 2 is side schematic diagram of the present utility model;
Fig. 3 is test bearing locking mode partial view of the present utility model;
Fig. 4 is test bearing locking mode front elevation of the present utility model;
Fig. 5 is friction pulley of the present utility model and single cover bearing rubbing contact situation schematic diagram.
Among the figure: the 1-motor; The 11-variator; The 2-friction pulley; The 3-riser; The 4-track; The 5-cylinder; 6-standard shaft seat; The 7-test bearing; 8-axle core; The 9-stationary installation; The 91-pressing plate; 911-U type breach; 92-curved surface backing plate; 93-cramping bar; 94-cramping handle; The eccentric pinch roller of 941-; The 95-bearing pin; The 10-control box; The 101-start button; The 12-pressure regulator valve;
[embodiment]
A kind of friction-driving bearing performance testing equipment, be provided with the friction pulley of driving bearing running in the center of testing equipment panel, some groups of test bearings have been symmetrical arranged with planetary mode on its periphery, adjustable cylinder is simulated the actual industrial and mineral loaded state of bearing fully, air pressure-loading is pressed on the friction pulley outer wall in test bearing and with it, and the test parameters that friction pulley is set in advance by Programmable Logic Controller drives each test bearing simulant elevator ascending, descending and has a rest and stop doing the circulation running-in that regularly turns to switching, acceleration and deceleration rotation and intermittently pause.Simultaneously, by temperature sensor is connected on the test bearing, measure bearing temperature rise.
Such as Fig. 1, Fig. 2, shown in Figure 5, testing equipment comprises motor 1, variator 11 and the friction pulley 2 that is driven by motor 1, friction pulley 2 is provided with the riser vertical with the friction pulley axis 3 with 11 of motor 1 and variators, on described riser 3, be symmetrically arranged with the some groups of tracks 4 that point to friction pulley 2 centers around friction pulley 2 peripheries, be provided with by cylinder 5 at described track 4 and promote and along the standard shaft seat 6 of its slip, be provided with installation test bearing 7 and the axle core 8 parallel with friction pulley 2 axis at described standard shaft seat 6, test bearing 7 is tangent with friction pulley 2 outer walls under cylinder 5 effects during trial run, and described axle core 8 tops are provided with the stationary installation 9 of axial restraint test bearing 7.The utility model first is connected to standard shaft seat 6 according to the selected suitable axle core 8 of test bearing specification and with screw in use, each axle core 8 load onto test bearing 7 and by stationary installation 9 with its axial restraint; Set the test speed change time according to test bearing 7 real-world operation operating modes by control box 10 programmings; running speed; break-in and pause beat; the parameters such as cycle index; adjust test bearing by air pressure pressure regulator valve 12 and should add the load size; start-up operation button 101; cylinder 5 namely promote standard shaft seat 6 and on it test bearing 7 along track 4 to and be pressed on the friction pulley 2; when reaching predetermined load; when friction pulley 2 drives rotation by motor 1; friction drives all test bearings that compress thereon and regularly does the acceleration and deceleration running according to the test parameters of prior setting; turn to and switch and the circulation running-in that intermittently pauses, reach the cycle index auto stop.Can read the temperature variations of bearing this moment and unload lower bearing evaluation bearing grease leakage rate, whether meet design requirement with the confirmed test bearing.
When needing, can according to above-mentioned this testing equipment of application of principle to test bearing further pressurize, test acceleration agree life.
Can find out, the utlity model has following advantage:
1), employing center friction pulley driving bearing carries out operational test, do the acceleration and deceleration rotation by Programmable Logic Controller realization stepless change, regularly break-in and static circulation, load piston to every cover test bearing imposed load radially by adjustable cylinder, but loaded state reaches as adapting to the elevator liter during real work of altitude simulation bearing, fall and the forward in the stopping time of having a rest, counter-rotating and stop to switch, its driving and loading system are simple in structure, easy to operate, load good stability, the Work condition analogue degree is high, compactness rational in infrastructure, performance test is comprehensive, energy consumption is low, in order to checking and improvement design bearing and the sealing of judgement finished product, whether temperature characteristic and bearing life satisfy the design and use requirement, increase the comparison of test results degree, improve test efficiency;
2), because bearing unit directly is installed on the testing equipment stand backboard, adopt the supporting structure of semi-girder or free beam with respect to existing similar performance testing equipment more, have better rigidity, be easy to installation and removal;
3), overlap more bearing simultaneously running in have the characteristics such as test efficiency is high, result's contrast property is strong, be particularly useful for leaking fat, temperature rise quality level require high, the bearing test that sample size is many.
In the present embodiment, all tracks 4 are along the symmetrical and paired setting of friction pulley 2 peripheries, thereby symmetrical and be in the layout of in pairs the friction pulley periphery with planetary mode, the power that every pair of test bearing is acted on the friction pulley is cancelled out each other, so that the friction pulley smooth running, long service life.
As shown in Figure 3, Figure 4, in the present embodiment, for quickly and easily dismounting, replacing with reliably lock bearing, described test bearing axially adopts Eccentric earn mechamism to be achieved.Described stationary installation 9 comprises the pressing plate 91 with U-shaped breach 911, curved surface backing plate 92 with concave curvatures, be located at the screw clamp depression bar 93 at axle core 8 centers and by the hinged cramping handle 94 of bearing pin 95 and screw clamp depression bar 93, cramping handle 94 heads are for coincideing with curved surface backing plate 92 curved surfaces and can dragging the eccentric pinch roller 941 of convex that curved surface backing plate 92 rotates with screw clamp depression bar 93.During the installation test bearing, to screw in the screwed hole of centre of axle core 8 with the screw clamp depression bar 93 of curved surface backing plate 92 and cramping handle 94 first, place test bearing and at bearing inner race end face and 92 insertion pressing plates 91 of curved surface backing plate, surface of revolution backing plate 92 makes its top-surface camber and eccentric pinch roller 941 convex surfaces be harmonious, rotating clamp pressure handle hand 94 drive curved surface backing plates 92 by pressing plate 91 to the test bearing top is pressed in the pre-pressing state, pull cramping handle 94 around bearing pin 95 axis directions, with securely axial location locking of bearing, reverse operating can be realized bearing removal by eccentric pinch roller 941.
Claims (2)
1. friction-driving bearing performance testing equipment, it is characterized in that: it comprises motor, variator, friction pulley and the riser vertical with the friction pulley axis, described riser is provided with the some groups of tracks that point to the friction pulley center in the friction pulley periphery, and all tracks are along the symmetrical and paired setting of friction pulley periphery; Be provided with under cylinder promotes the standard shaft seat that can slide along track at described track, described standard shaft seat be provided with the installation test bearing and with the axle core of friction wheel axle line parallel; Described axle core top is provided with the stationary installation of axial restraint test bearing.
2. a kind of friction-driving bearing performance testing equipment according to claim 1, it is characterized in that: described stationary installation comprises the pressing plate with U-shaped breach, curved surface backing plate with concave curvatures, be located at the screw clamp depression bar at axle core center and by the hinged cramping handle of bearing pin and screw clamp depression bar, cramping handle head is for coincideing with curved surface backing plate curved surface and can dragging the eccentric pinch roller of convex that the curved surface backing plate rotates with the screw clamp depression bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220401161 CN202693307U (en) | 2012-08-14 | 2012-08-14 | Friction driving type bearing performance testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220401161 CN202693307U (en) | 2012-08-14 | 2012-08-14 | Friction driving type bearing performance testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693307U true CN202693307U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220401161 Expired - Fee Related CN202693307U (en) | 2012-08-14 | 2012-08-14 | Friction driving type bearing performance testing equipment |
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| CN (1) | CN202693307U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571863A (en) * | 2015-12-15 | 2016-05-11 | 新昌县羽林街道全顺机械厂 | Bearing detection apparatus |
| CN109855871A (en) * | 2019-01-03 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of needle bearing testing equipment |
| CN114659788A (en) * | 2022-05-23 | 2022-06-24 | 哈尔滨科锐同创机模制造有限公司 | Friction testing device of bearing tester |
-
2012
- 2012-08-14 CN CN 201220401161 patent/CN202693307U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571863A (en) * | 2015-12-15 | 2016-05-11 | 新昌县羽林街道全顺机械厂 | Bearing detection apparatus |
| CN105571863B (en) * | 2015-12-15 | 2018-05-01 | 宁波实隆轴承有限公司 | A kind of bearing detecting device |
| CN109855871A (en) * | 2019-01-03 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of needle bearing testing equipment |
| CN114659788A (en) * | 2022-05-23 | 2022-06-24 | 哈尔滨科锐同创机模制造有限公司 | Friction testing device of bearing tester |
| CN114659788B (en) * | 2022-05-23 | 2022-08-09 | 哈尔滨科锐同创机模制造有限公司 | Friction testing device of bearing tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140814 |
|
| EXPY | Termination of patent right or utility model |