CN105806620A - Radial pressurization type bearing running-in test stand - Google Patents
Radial pressurization type bearing running-in test stand Download PDFInfo
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- CN105806620A CN105806620A CN201610301290.2A CN201610301290A CN105806620A CN 105806620 A CN105806620 A CN 105806620A CN 201610301290 A CN201610301290 A CN 201610301290A CN 105806620 A CN105806620 A CN 105806620A
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 241000227287 Elliottia pyroliflora Species 0.000 abstract 3
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a radial pressurization type bearing running-in test stand.The test stand comprises a test platform, a variable frequency motor, a tensioning device, bearing blocks, a belt transmission device, a shaft sleeve, a transmission shaft, nuts, shaft end glands, radial pressurization devices and copper bushes; the tensioning device, the bearing blocks and the radial pressurization device are fixed to the test platform; the variable frequency motor is mounted above the tensioning device, a small belt wheel of the belt transmission device is connected with an output shaft of the variable frequency motor, a large belt wheel of the belt transmission device is connected with the transmission shaft, the transmission shaft is supported by the bearing blocks, the copper bushes are arranged at the two ends of the transmission shaft in a sleeving mode and tightly wedged into each other, each copper bush is sleeved with a shaft sleeve, and a pressing head of each radial pressurization device is clamped on the corresponding shaft sleeve.The test stand is used for testing the maximum radial bearing capacity, the failure form and the service life of a bearing under the conditions of high speed non-loading, low speed heavy loading and high speed heavy loading and has the advantages of being simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of bearing transmittability when bearing radial load, be specifically related to a kind of radially adding pressure type bearing running testing stand.
Background technology
Bearing is as important parts a kind of in plant equipment, and it applies very extensive, and along with the use of the development of science and technology, new equipment, it is more accurate, comprehensive that the performance parameter of bearing is required by people.Installing, lubricate, when safeguarding good, the contact stress owing to being repeatedly subjected to change in a large number can cause the inefficacy of bearing, after bearing generation failure damage, would generally occur stronger vibration, noise and fever phenomenon in the running.Additionally, due to the difference of the homogenizing degree of the accuracy of manufacture, material, even same material, same size and with a collection of bearing produced, working under identical condition, their life-span also can be far from it.It is therefore desirable to the research radial direction bearing capacity of bearing, failure damage form and life problems.The present invention provides a kind of radially adding pressure type bearing running testing stand, performance monitoring and fault diagnosis for bearing provide research technique and data, facilitate engineers and technicians can grasp the fundamental performance parameters such as the radial direction bearing capacity of different model bearing, failure mode, working life comprehensively.
Summary of the invention
For solving the problems referred to above, the present invention provides the radial direction adding pressure type bearing running testing stand of a kind of simple in construction, flexible configuration, the test bearing failure mode when high pulling torque and life-span monitoring.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is as follows:
A kind of radially adding pressure type bearing running testing stand, including: test platform, frequency conversion motor, tensioner, bearing block, belt driver, axle sleeve, power transmission shaft, nut, axle head gland, radially pressue device, copper sheathing；Described tensioner, described bearing block and described radial direction pressue device are fixed on described test platform by T-bolt；Described frequency conversion motor is arranged on the top of described tensioner, the small pulley of described belt driver is connected with the output shaft of described frequency conversion motor, the big belt wheel of described belt driver is connected with described power transmission shaft, described power transmission shaft is supported by the described bearing block at two ends, described power transmission shaft is multidiameter, and the two ends processing of described power transmission shaft has certain tapering；The internal diameter processing of described copper sheathing has the tapering identical with described power transmission shaft two ends, described copper sheathing is enclosed within two ends the wedging mutually of described power transmission shaft, the external diameter of described copper sheathing is cylindrical, described axle sleeve is enclosed within described copper sheathing, interference fit is adopted with described copper sheathing, described copper sheathing and described axle sleeve are axially positioned by described nut and described axle head gland, and the pressure head of described radial direction pressue device is stuck on described axle sleeve.
Further, described test platform includes test platform I and test platform II, described test platform I, described test platform II is all covered with horizontal T-slot, the lower shoe of described tensioner is fixed on described test platform I by T-bolt, described bearing block has two sets, it is fixed on described test platform I and described test platform II respectively through T-bolt, described radial direction pressue device has two sets, it is fixed on described test platform I and described test platform II respectively through T-bolt, described testing stand I and described testing stand II is single-casting, the installation foundation design of described test platform has vibration isolation ditch, test platform is made to have enough intensity, stability and vibration resistance.
Further, described tensioner includes upper plate, lower shoe, line slideway, slide block, feed screw nut, handwheel；Described line slideway is fixed on described lower shoe, described slide block is fixed on described upper plate, the leading screw of described feed screw nut is fixed on the centre of described lower shoe, and the nut of described feed screw nut is fixed on the centre of described upper plate, and the end of leading screw is equipped with described handwheel；Drive screw turns by rotating described handwheel, it is achieved moving axially of nut, reach the purpose moved axially of upper plate；The base of described frequency conversion motor is fixed on described upper plate, thus realizing the adjustment of the axial location of described frequency conversion motor.
Further, described belt driver includes big belt wheel, small pulley and V band, described small pulley adopts real heart type structure, described big belt wheel adopts web-type structure, described V band is stretched on described big belt wheel and described small pulley, by regulating the tensioning that the axial location of described frequency conversion motor realizes the V band of described belt driver.
Further, described bearing block is split-type structural, facilitates the replacing of different model same outer diameter bearing, and the top of described bearing block is equipped with suspension ring, it is achieved the lifting of described bearing block the first half.
Further, described radial direction pressue device includes base, pedestal I, pedestal II, side link, hydraulic cylinder, lug, pressure head；Described pedestal I, described pedestal II are fixedly mounted on described base respectively through screw, described side link is corner structure, one end of described side link is hinged with described pedestal I, the extension bar of the other end of described side link and described hydraulic cylinder is connected through the hinge, the bottom of described hydraulic cylinder is arranged on described pedestal II by hinge, and described pedestal I, described pedestal II, described side link, described hydraulic cylinder constitute four-bar linkage；It is connected with described lug in the middle of the turning of described side link, described lug is connected with described pressure head, by regulating the length of described hydraulic cylinder extension bar, driving described side link to swing, the swing of described side link realizes described pressure head and compresses on the described axle sleeve at described power transmission shaft two ends；Described radial direction pressue device, by regulating the compression degree of pressure head described in the length adjustment stretching out axostylus axostyle of hydraulic cylinder described in described four-bar linkage, thus realizing the loading of radial load on bearing, having simple in construction, loading reliable and stable feature.
Further, a kind of radially adding pressure type bearing running testing stand also comprises a sensing device, described sensing device be used for measuring bearing run and time rotating speed, bearing temperature, radially maximum load-carrying capacity and bearing life situation.
Further, a kind of radially adding pressure type bearing running testing stand also comprises a control system, and described control system controls the coordination exercise relation of all parts on whole testing stand.
Implementing a kind of radially adding pressure type bearing running testing stand of the present invention, it has the beneficial effects that:
(1) using a kind of radially adding pressure type bearing running testing stand of invention, overall structure is simple, flexible to operation, changes the identical bearing of different model external diameter and realizes the race to Multiple Type bearing and test；
(2) radially pressue device, the employing four-bar linkage form realization loading to the radial load of bearing, loads reliable and stable, it is achieved the test of bearing maximum radial bearing capacity.
Accompanying drawing explanation
Fig. 1: one of the present invention is adding pressure type bearing running testing stand top view radially；
Fig. 2: one of the present invention is adding pressure type bearing running testing stand axonometric chart radially.
In figure: 1-test platform, 11-test platform I, 12-test platform II, 2-frequency conversion motor, 3-belt driver, 4-tensioner, 5-is pressue device radially, 51-base, 52-pedestal I, 53-pedestal II, 54-side link, 55-hydraulic cylinder, 56-lug, 58-pressure head, 6-power transmission shaft, 7-bearing block, 8-axle sleeve, 9-copper sheathing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described through.
1, as shown in Figure 1, 2, a kind of radially adding pressure type bearing running testing stand, including: test platform 1, frequency conversion motor 2, tensioner 4, bearing block 7, belt driver 3, axle sleeve 8, power transmission shaft 6, nut, axle head gland, radially pressue device 5, copper sheathing 9；Described tensioner 4, described bearing block 7 and described radial direction pressue device 5 are fixed on described test platform 1 by T-bolt；Described tensioner 4 includes upper plate, lower shoe, line slideway, slide block, feed screw nut, handwheel；Described line slideway is fixed on described lower shoe, described slide block is fixed on described upper plate, the leading screw of described feed screw nut is fixed on the centre of described lower shoe, and the nut of described feed screw nut is fixed on the centre of described upper plate, and the end of leading screw is equipped with described handwheel；Drive screw turns by rotating described handwheel, it is achieved moving axially of nut, reach the purpose moved axially of upper plate；The base of described frequency conversion motor 2 is fixed on described upper plate, thus realizing the adjustment of the axial location of described frequency conversion motor 2；The small pulley of described belt driver 3 is connected with the output shaft of described frequency conversion motor 2, the big belt wheel of described belt driver 3 is connected with described power transmission shaft 6, described power transmission shaft 6 is supported by the described bearing block 7 at two ends, described power transmission shaft 6 is multidiameter, and the two ends processing of described power transmission shaft 6 has certain tapering；The internal diameter processing of described copper sheathing 9 has the tapering identical with described power transmission shaft 6 two ends, described copper sheathing 9 is enclosed within two ends the wedging mutually of described power transmission shaft 6, the external diameter of described copper sheathing 9 is cylindrical, described axle sleeve 8 is enclosed within described copper sheathing 9, interference fit is adopted with described copper sheathing 9, described copper sheathing 9 and described axle sleeve 8 are axially positioned by described nut and described axle head gland, the pressure head 58 of described radial direction pressue device 5 is stuck on described axle sleeve 8, described radial direction pressue device 5 includes base 51, pedestal I52, pedestal II53, side link 54, hydraulic cylinder 55, lug 56, pressure head 58；Described pedestal I52, described pedestal II53 are fixedly mounted on described base 51 respectively through screw, described side link 54 is corner structure, one end of described side link 54 is hinged with described pedestal I52, the extension bar of the other end of described side link 54 and described hydraulic cylinder 55 is connected through the hinge, the bottom of described hydraulic cylinder 55 is arranged on described pedestal II53 by hinge, and described pedestal I52, described pedestal II53, described side link 54, described hydraulic cylinder 55 constitute four-bar linkage；It is connected with described lug 56 in the middle of the turning of described side link 54, described lug 56 is connected with described pressure head 58, by regulating the length of described hydraulic cylinder 55 extension bar, driving described side link 54 to swing, the swing of described side link 54 realizes described pressure head 58 and compresses on the described axle sleeve 8 at described power transmission shaft 6 two ends；Described radial direction pressue device 5, by regulating the compression degree of pressure head 58 described in the length adjustment stretching out axostylus axostyle of hydraulic cylinder 55 described in described four-bar linkage, thus realizing the loading of radial load on bearing, having simple in construction, loading reliable and stable feature.
nullSuch as Fig. 1、Shown in 2，The method of work of the present invention a kind of radial direction adding pressure type bearing running testing stand specifically comprises the following steps that frequency conversion motor 2 provides power，Impart power to power transmission shaft 6 through belt driver 3 rotate，Simultaneously radially pressue device 5 regulates the compression degree of pressure head described in the length adjustment stretching out axostylus axostyle of hydraulic cylinder described in described four-bar linkage，Thus realizing the loading of radial load on bearing，The bearing in bearing block 7 is made to bear certain radial load，The maximum radial bearing capacity of the bearing of bearing block 7 is monitored out by sensing device、Bearing temperature rise、Working life situation，And monitor signal is passed to the computer in described control system，Complete bearing block 7 middle (center) bearing performance monitoring，While continuing to gather maximum radial bearing capacity signal to compare analysis，Draw the radial load situation when failure damage，The failure mode completing bearing block 7 middle (center) bearing destroys monitoring；When taking the identical bearing of different model external diameter and testing, step is ibid.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (7)
1. a radial direction adding pressure type bearing running testing stand, it is characterized in that, including: test platform (1), frequency conversion motor (2), tensioner (4), bearing block (7), belt driver (3), axle sleeve (8), power transmission shaft (6), nut, axle head gland, radially pressue device (5), copper sheathing (9)；Described tensioner (4), described bearing block (7) and described radial direction pressue device (5) are fixed on described test platform (1) by T-bolt；Described radial direction pressue device (5) includes base (51), pedestal I (52), pedestal II (53), side link (54), hydraulic cylinder (55), lug (56), pressure head (58)；Described pedestal I (52), described pedestal II (53) is fixedly mounted on described base (51) respectively through screw, described side link (54) is corner structure, one end of described side link (54) is hinged with described pedestal I (52), the extension bar of the other end of described side link (54) and described hydraulic cylinder (55) is connected through the hinge, the bottom of described hydraulic cylinder (55) is arranged on described pedestal II (53) by hinge, described pedestal I (52), described pedestal II (53), described side link (54), described hydraulic cylinder (55) constitutes four-bar linkage；It is connected with described lug (56) in the middle of the turning of described side link (54), described lug (56) is connected with described pressure head (58), by regulating the length of described hydraulic cylinder (55) extension bar, driving described side link (54) to swing, the swing of described side link (54) realizes described pressure head (58) and compresses on the described axle sleeve (57) at described power transmission shaft (6) two ends；Described radial direction pressue device (5) is by regulating the compression degree of pressure head (58) described in the length adjustment stretching out axostylus axostyle of hydraulic cylinder (55) described in described four-bar linkage, thus realizing the loading of radial load on bearing, there is simple in construction, load reliable and stable feature；Described frequency conversion motor (2) is arranged on the top of described tensioner (4), the small pulley of described belt driver (3) is connected with the output shaft of described frequency conversion motor (2), the big belt wheel of described belt driver (3) is connected with described power transmission shaft (6), described power transmission shaft (6) is supported by the described bearing block (7) at two ends, described power transmission shaft (6) is multidiameter, and the two ends processing of described power transmission shaft (6) has certain tapering；The internal diameter processing of described copper sheathing (9) has the tapering identical with described power transmission shaft (6) two ends, described copper sheathing (9) is enclosed within two ends the wedging mutually of described power transmission shaft (6), the external diameter of described copper sheathing (9) is cylindrical, described axle sleeve (8) is enclosed within described copper sheathing (9), interference fit is adopted with described copper sheathing (9), described copper sheathing (9) and described axle sleeve (8) are axially positioned by described nut and described axle head gland, and the pressure head of described radial direction pressue device (5) is stuck on described axle sleeve (8).
null2. a kind of radially adding pressure type bearing running testing stand as claimed in claim 1，It is characterized in that，Described test platform (1) includes test platform I (11) and test platform II (12)，Described test platform I (11)、Described test platform II (12) is all covered with horizontal T-slot，The lower shoe of described tensioner (4) is fixed on described test platform I (11) by T-bolt，Described bearing block (7) has two sets，It is fixed on respectively through T-bolt on described test platform I (11) and described test platform II (12)，Described radial direction pressue device (5) has two sets，It is fixed on respectively through T-bolt on described test platform I (11) and described test platform II (12)，Described testing stand I (11) and described testing stand II (12) are single-casting，The installation foundation design of described test platform (1) has vibration isolation ditch，Test platform is made to have enough intensity、Stability and vibration resistance.
3. a kind of radially adding pressure type bearing running testing stand as claimed in claim 1, it is characterised in that described tensioner (4) includes upper plate, lower shoe, line slideway, slide block, feed screw nut, handwheel；Described line slideway is fixed on described lower shoe, described slide block is fixed on described upper plate, the leading screw of described feed screw nut is fixed on the centre of described lower shoe, and the nut of described feed screw nut is fixed on the centre of described upper plate, and the end of leading screw is equipped with described handwheel；Drive screw turns by rotating described handwheel, it is achieved moving axially of nut, reach the purpose moved axially of upper plate；The base of described frequency conversion motor (2) is fixed on described upper plate, thus realizing the adjustment of the axial location of described frequency conversion motor (2).
4. a kind of radially adding pressure type bearing running testing stand as claimed in claim 1, it is characterized in that, described belt driver (3) includes big belt wheel, small pulley and V band, described small pulley adopts real heart type structure, described big belt wheel adopts web-type structure, described V band is stretched on described big belt wheel and described small pulley, by regulating the tensioning that the axial location of described frequency conversion motor (2) realizes the V band of described belt driver (3).
5. a kind of radially adding pressure type bearing running testing stand as claimed in claim 1, it is characterized in that, described bearing block (7) is split-type structural, facilitate the replacing of different model same outer diameter bearing, the top of described bearing block (7) is equipped with suspension ring, it is achieved the lifting of described bearing block (7) the first half.
6. radially adding pressure type bearing running testing stand as claimed in claim 1 a kind of, it is characterised in that also comprise a sensing device, described sensing device be used for measuring bearing run and time rotating speed, bearing temperature, radially maximum load-carrying capacity and bearing life situation.
7. a kind of radially adding pressure type bearing running testing stand as claimed in claim 1, it is characterised in that also comprising a control system, described control system controls the coordination exercise relation of all parts on whole testing stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301290.2A CN105806620B (en) | 2016-05-09 | 2016-05-09 | A kind of radial direction adding pressure type bearing running testing stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301290.2A CN105806620B (en) | 2016-05-09 | 2016-05-09 | A kind of radial direction adding pressure type bearing running testing stand |
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| Publication Number | Publication Date |
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| CN105806620A true CN105806620A (en) | 2016-07-27 |
| CN105806620B CN105806620B (en) | 2018-04-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560853A (en) * | 2017-09-22 | 2018-01-09 | 芜湖火龙动力科技有限公司 | A kind of huge revolving bearing running experiment and detection means |
| CN108708948A (en) * | 2018-06-20 | 2018-10-26 | 王磊仪 | New-energy automobile list twin variator |
| CN109580225A (en) * | 2019-01-09 | 2019-04-05 | 哈尔滨理工大学 | A kind of bearing test-bed radial loading device |
| CN110470468A (en) * | 2019-07-12 | 2019-11-19 | 昆明理工大学 | A kind of bearing, gear testing testing stand |
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| CN205719546U (en) * | 2016-05-09 | 2016-11-23 | 青岛科技大学 | A kind of radially adding pressure type bearing running testing stand |
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2016
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| SU714205A1 (en) * | 1977-04-25 | 1980-02-05 | Воронежский лесотехнический институт | Stand for testing antifriction bearings |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107560853A (en) * | 2017-09-22 | 2018-01-09 | 芜湖火龙动力科技有限公司 | A kind of huge revolving bearing running experiment and detection means |
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| CN110470468A (en) * | 2019-07-12 | 2019-11-19 | 昆明理工大学 | A kind of bearing, gear testing testing stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105806620B (en) | 2018-04-17 |
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Effective date of registration: 20230602 Address after: No. 9, Jinjia Avenue, Huimin Street, Jiashan County, Jiaxing, Zhejiang Province 314000 Patentee after: Jiashan Huatong Composite Bearing Co.,Ltd. Address before: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee before: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Effective date of registration: 20230602 Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Address before: 266000 Qingdao University of Science & Technology, 99 Songling Road, Laoshan District, Qingdao, Shandong Patentee before: QINGDAO University OF SCIENCE AND TECHNOLOGY |