CN109596358A - A kind of full-automatic bearing vibration velocity test device - Google Patents
A kind of full-automatic bearing vibration velocity test device Download PDFInfo
- Publication number
- CN109596358A CN109596358A CN201910056575.8A CN201910056575A CN109596358A CN 109596358 A CN109596358 A CN 109596358A CN 201910056575 A CN201910056575 A CN 201910056575A CN 109596358 A CN109596358 A CN 109596358A
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- China
- Prior art keywords
- bearing
- shaft
- fixedly connected
- claw
- central spindle
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- 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
- G01M13/045—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of full-automatic bearing vibration velocity test devices, including drive shaft, drive shaft is equipped with bearing tensioning apparatus, bearing tensioning apparatus includes positioning central spindle, positioning central spindle is fixedly welded drive shaft, it positions central spindle and is equipped with shaft, shaft is arranged and is fixedly connected with turntable, turntable is equipped with flat thread and is threadedly engaged with claw, locating shaft in-core wall is fixedly welded support plate, support plate is fixedly connected with sliding rail, sliding rail is slidably matched balancing pole, balancing pole is fixedly connected with claw, it positions central spindle side wall and is equipped with through-hole, claw is equipped with rest pad, rest pad abuts bearing inner race after stretching out through-hole.The present invention is according to shaft direction of rotation difference, and four groups of claws on turntable can do centrifugal movement or centripetal movement, thus by the extended or retracted positioning central spindle of rest pad, to reach the bearing of cooperation different inner diameters, structure is simple, easy to use, is applicable in bearing mnanufacture station-service and detects in bear vibration.
Description
Technical field
The present invention relates to Bearing testing technical field, specially a kind of full-automatic bearing vibration velocity test device.
Background technique
Bear vibration speed testing device is measurement deep groove ball bearing, angular contact ball bearing and Tapered Roller Bearing Vibration
The special instrument of speed.Its working principles are as follows: the inner ring end face of measured bearing abuts the mandrel shaft shoulder, and with a certain constant rule
Determine revolving speed rotation, outer ring do not turn and bears certain axially or radially load, with transducer probe assembly intake raceway central cross-section with
Bearing outer ring on the external cylindrical surface intersecting lens of outer ring vibrates (speed) component, which is transformed into telecommunications
Number and the electric signal is input to measuring and amplifying system, signal processing and basic, normal, high three frequencies of simultaneous display bearing are carried out to it
The radial vibration speed root-mean-square value of section.
Due to the deep groove ball bearing of different size, angular contact ball bearing is different with the inner ring diameter of tapered roller bearing, core
The axis shaft shoulder can not usually be fitted close bearing, to influence test accuracy.
Summary of the invention
The purpose of the present invention is to provide a kind of full-automatic bearing vibration velocity test devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of full-automatic bearing vibration velocity test device,
Including testboard, the testboard is fixedly connected with motor and bearing block, and the bearing block is interference fitted drive shaft, the drive shaft
By the output shaft of toothed chain transmission connection motor, and drive shaft is equipped with bearing tensioning apparatus, the bearing tensioning apparatus packet
Positioning central spindle is included, the positioning central spindle is fixedly welded drive shaft, and the locating shaft core inner is cavity, and inner left wall is fixed to be connected
Transverse bearing is connect, and its right side is fixedly connected with nut, the transverse bearing is interference fitted shaft, and the nut thread connects spiral shell
Bar, the screw rod left end is fixedly welded shaft, and screw rod right end stretches out after positioning central spindle and is fixedly connected with bead handwheel, the shaft
It is arranged and is fixedly connected turntable, the turntable is equipped with flat thread and is threadedly engaged with claw, and the locating shaft in-core wall is solid
Surely support plate is welded, the support plate is fixedly connected with sliding rail, and the sliding rail is slidably matched balancing pole, and the balancing pole is fixedly connected
Claw, the positioning central spindle side wall are equipped with through-hole, and the claw is equipped with rest pad, and the rest pad abuts bearing after stretching out through-hole
Inner ring.
Preferably, there are four the claw is set, and four claws are uniformly distributed in a ring about spindle central axis, described
One end of double-threaded screw is threadedly coupled at the center of claw, the other end of the double-threaded screw is fixedly connected with rest pad.
Preferably, the support plate is circular ring shape, and its center is arranged shaft, and the sliding rail is equipped with spiral shell by a both ends
The smooth round bar of line is bent into " C font ", and the both ends of the sliding rail connect anti-withdrawing nut through support plate rear thread.
Preferably, the balancing pole includes ring set, sleeve and loop bar, and the ring set is equipped with through hole, the through hole set
Connect sliding rail, and ring set is slidably matched sliding rail, the ring set welded sleeve, the sleeve is equipped with blind hole and covers connecting sleeve lever, institute
The one end for stating loop bar and elastic element abuts against, and the other end and the sleeve of elastic element abut against, and the elastic element is using circle
Spring, the loop bar are fixedly connected with claw.
Preferably, the sleeve set there are four about central shaft in circumferential equally distributed inner groovy, the loop bar
Lateral wall is equipped with to be completely embedded into inner groovy with its integrally formed four ectoloph rib, the ectoloph rib.
Preferably, the screw flight lift angle is less than the equivalent friction angle of screw rod and the formed screw pair of nut.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention, according to shaft direction of rotation difference, four groups of claws on turntable can do centrifugal movement or centripetal fortune
It is dynamic, so that, to reach the bearing of cooperation different inner diameters, structure is simple by the extended or retracted positioning central spindle of rest pad, use
It is convenient, it is applicable in bearing mnanufacture station-service and is detected in bear vibration, isometric promise of electrical machinery plant is checked and accepted with quotient and commodity inspection department for bearing,
Institution of higher learning and scientific research institution is also suitable to analyze for bear vibration；
2. ectoloph rib is completely embedded into inner groovy, since loop bar is fixedly connected with claw, to sleeve in ectoloph rib and inner groovy
It is limited with loop bar, so loop bar can rotate to avoid sleeve, improves the fitment stability between ring set and sliding rail；
3. the pretightning force that elastic element can be provided in makes so that claw can be very good the flat thread of fitting turntable
Claw can do centrifugal movement or it is centripetal movement it is more steady；
4. screw flight lift angle is less than the equivalent friction angle of screw rod and the formed screw pair of nut, i.e. screw rod meets self-locking
The requirement of screw rod, when stop operating screw rod after, screw rod is self-locking, avoid shaft occur spinning, improve claw tensioning bearing it is steady
It is qualitative.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is middle (center) bearing of the present invention and bearing tensioning device structure schematic diagram；
Fig. 3 is middle (center) bearing tensioning device structure schematic diagram of the present invention；
Fig. 4 is balance bar structure schematic diagram in the present invention.
In figure: 1 testboard, 2 bearings, 3 drive shafts, 4 positioning core axles, 5 support plates, 6 sliding rails, 7 balancing poles, 701 ring sets,
702 through holes, 703 sleeves, 704 loop bars, 705 elastic elements, 706 inner groovies, 707 ectoloph ribs, 8 claws, 9 turntables, 10 radial directions
Bearing, 11 nuts, 12 shafts, 13 screw rods, 14 bead handwheels, 15 rest pads, 16 motors, 17 bearing blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of full-automatic bearing vibration velocity test device,
Including testboard 1, testboard 1 is fixedly connected with motor 16 and bearing block 17, and bearing block 17 is interference fitted drive shaft 3, and drive shaft 3 is logical
The output shaft of toothed chain transmission connection motor 16 is crossed, and drive shaft 3 is equipped with bearing tensioning apparatus.
In the present embodiment, as shown in figure 3, bearing tensioning apparatus includes positioning central spindle 4, positioning central spindle 4 is fixedly welded drive
Moving axis 3, positioning is cavity inside central spindle 4, and inner left wall is fixedly connected with transverse bearing 10, and its right side is fixedly connected with nut
11, transverse bearing 10 is interference fitted shaft 12, and nut 11 is threadedly coupled screw rod 13, and the lead angle of screw rod 13 is less than 13 He of screw rod
The requirement that the equivalent friction angle of the formed screw pair of nut 11, i.e. screw rod 13 meet self-locking screw rod, when stop operating screw rod 13 after,
Screw rod 13 is self-locking, avoids shaft 12 that spinning occurs, and improves the stability that claw 8 is tensioned bearing 2.13 left end of screw rod is fixedly welded
Shaft 12, and 13 right end of screw rod stretches out after positioning central spindle 4 and is fixedly connected with bead handwheel 14.Shaft 12 is arranged and is fixedly connected with turntable
9, turntable 9 is equipped with flat thread and is threadedly engaged with claw 8, and positioning 4 inner wall of central spindle is fixedly welded support plate 5, and support plate 5 is
Circular ring shape, and its center is arranged shaft 12, and sliding rail 6 sets threaded smooth round bar by a both ends and is bent into " C font ", sliding
The both ends of rail 6 connect anti-withdrawing nut through 5 rear thread of support plate.
Sliding rail 6 is slidably matched balancing pole 7, as shown in figure 4, in the present embodiment, balancing pole 7 includes ring set 701, sleeve
703 and loop bar 704, ring set 701 is equipped with through hole 702, and through hole 702 is socketed sliding rail 6, and ring set 701 is slidably matched sliding rail
6,701 welded sleeve 703 of ring set, sleeve 703 is equipped with blind hole and covers connecting sleeve lever 704, and the one of loop bar 704 and elastic element 705
End abuts against, and the other end and the sleeve 704 of elastic element 705 abut against, and elastic element 705 uses coil spring, and loop bar 704 is fixed
Connect claw 8.
Sleeve 703 set there are four about central shaft in circumferential equally distributed inner groovy 706, the lateral wall of loop bar 704
Equipped with its integrally formed four ectoloph rib 707, ectoloph rib 707 is completely embedded into 706 in inner groovy, since loop bar 704 is fixed
Claw 8 is connected, 706 pairs of sleeves 703 and loop bar 704 limit in ectoloph rib 707 and inner groovy, so loop bar 704 can be kept away
Exempt from sleeve 703 to rotate, improves the fitment stability between ring set 701 and sliding rail 6.
It positions 4 side wall of central spindle and is equipped with through-hole, there are four claw 8 is set, and four claws 8 are in ring about 12 central axis of shaft
Shape is uniformly distributed, and one end of double-threaded screw is threadedly coupled at the center of claw 8, and the other end of double-threaded screw is fixedly connected with rest pad
15.Rest pad 15 abuts 2 inner ring of bearing after stretching out through-hole.
Working principle: rotation bead handwheel 14, so that screw rod 13 drives shaft 12 to rotate, turntable 9 is rotated with, by
Flat thread is equipped in turntable 9 and is threadedly engaged with claw 8, four groups of claws 8 according to direction of rotation difference, on turntable 9
Centrifugal movement or centripetal movement can be done, thus by the extended or retracted positioning central spindle 4 of rest pad 15, so that it is different to reach cooperation
The bearing 2 of internal diameter.In order to enable claw 8 can do more stable movement, balancing pole 7, balancing pole 7 are equipped in support plate 5
In loop bar 704 and one end of elastic element 705 abut against, the other end and the sleeve 704 of elastic element 705 abut against, elasticity
The pretightning force that element 705 can be provided in, so that claw 8 can be very good the flat thread of fitting turntable 9, so that claw 8 can
It is more steady to do centrifugal movement or centripetal movement.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of full-automatic bearing vibration velocity test device, including testboard (1), the testboard (1) is fixedly connected with motor
(16) and bearing block (17), the bearing block (17) are interference fitted drive shaft (3), and the drive shaft (3) is driven by toothed chain to be connected
The output shaft of motor (16) is connect, and drive shaft (3) is equipped with bearing tensioning apparatus, it is characterised in that: the bearing tensioning dress
It sets including positioning central spindle (4), it is cavity inside the positioning central spindle (4) that the positioning central spindle (4), which is fixedly welded drive shaft (3),
Its inner left wall is fixedly connected transverse bearing (10), and its right side is fixedly connected nut (11), transverse bearing (10) interference
Cooperating shaft (12), the nut (11) is threadedly coupled screw rod (13), and screw rod (13) left end is fixedly welded shaft (12), and
Screw rod (13) right end is fixedly connected bead handwheel (14) after stretching out positioning central spindle (4), and the shaft (12) is arranged and is fixedly connected
Turntable (9), the turntable (9) are equipped with flat thread and are threadedly engaged with claw (8), and positioning central spindle (4) inner wall is fixed
It welds support plate (5), the support plate (5) is fixedly connected sliding rail (6), and the sliding rail (6) is slidably matched balancing pole (7), described
Balancing pole (7) is fixedly connected claw (8), and positioning central spindle (4) side wall is equipped with through-hole, and the claw (8) is equipped with rest pad
(15), the rest pad (15) abuts bearing (2) inner ring after stretching out through-hole.
2. a kind of full-automatic bearing vibration velocity test device according to claim 1, it is characterised in that: the claw
(8) there are four setting, and four claws (8) are uniformly distributed in a ring about shaft (12) central axis, the center of the claw (8)
Place is threadedly coupled one end of double-threaded screw, and the other end of the double-threaded screw is fixedly connected with rest pad (15).
3. a kind of full-automatic bearing vibration velocity test device according to claim 1, it is characterised in that: the support plate
It (5) is circular ring shape, and its center is arranged shaft (12), it is curved that sliding rail (6) both ends You Yigen set threaded smooth round bar
It is made " C font ", the both ends of the sliding rail (6) connect anti-withdrawing nut through support plate (5) rear thread.
4. a kind of full-automatic bearing vibration velocity test device according to claim 1, it is characterised in that: the balancing pole
It (7) include ring set (701), sleeve (703) and loop bar (704), the ring set (701) is equipped with through hole (702), the through hole
(702) sliding rail (6) are socketed, and ring set (701) is slidably matched sliding rail (6), ring set (701) welded sleeve (703), it is described
Sleeve (703) is equipped with blind hole and covers connecting sleeve lever (704), and the loop bar (704) and one end of elastic element (705) abut against,
The other end of elastic element (705) is abutted against with sleeve (704), and the elastic element (705) uses coil spring, the loop bar
(704) claw (8) are fixedly connected with.
5. a kind of full-automatic bearing vibration velocity test device according to claim 1, it is characterised in that: the sleeve
(703) it sets there are four being in circumferential equally distributed inner groovy (706) about central shaft, the lateral wall of the loop bar (704) is set
Have and is completely embedded into inner groovy (706) with its integrally formed four ectoloph rib (707), the ectoloph rib (707).
6. a kind of full-automatic bearing vibration velocity test device according to claim 1, it is characterised in that: the screw rod
(13) lead angle is less than the equivalent friction angle of screw rod (13) and nut (11) formed screw pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056575.8A CN109596358A (en) | 2019-01-19 | 2019-01-19 | A kind of full-automatic bearing vibration velocity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056575.8A CN109596358A (en) | 2019-01-19 | 2019-01-19 | A kind of full-automatic bearing vibration velocity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109596358A true CN109596358A (en) | 2019-04-09 |
Family
ID=65966475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910056575.8A Withdrawn CN109596358A (en) | 2019-01-19 | 2019-01-19 | A kind of full-automatic bearing vibration velocity test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109596358A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449602A (en) * | 2019-08-27 | 2019-11-15 | 无锡舜邦机械有限公司 | A kind of rotating shaft of wind generator special purpose lathe |
| CN113834659A (en) * | 2021-11-29 | 2021-12-24 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
-
2019
- 2019-01-19 CN CN201910056575.8A patent/CN109596358A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449602A (en) * | 2019-08-27 | 2019-11-15 | 无锡舜邦机械有限公司 | A kind of rotating shaft of wind generator special purpose lathe |
| CN113834659A (en) * | 2021-11-29 | 2021-12-24 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
| CN113834659B (en) * | 2021-11-29 | 2022-02-18 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190409 |