CN209400213U - Unilateral bearing torsion tester - Google Patents
Unilateral bearing torsion tester Download PDFInfo
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- CN209400213U CN209400213U CN201920377835.7U CN201920377835U CN209400213U CN 209400213 U CN209400213 U CN 209400213U CN 201920377835 U CN201920377835 U CN 201920377835U CN 209400213 U CN209400213 U CN 209400213U
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- unilateral bearing
- rotary shaft
- tested
- friction plate
- base
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Abstract
The utility model relates to a kind of unilateral bearing torsion tester, first unilateral bearing to be tested is fitted into axle bed through press machine, and it is fixed by screwing in clamping screw, then unilateral bearing inner ring to be tested is fixedly connected with test axis, decelerating motor drives swing connecting bar to move back and forth, rotary shaft rotation is driven through unilateral bearing to be tested when swing connecting bar clockwise oscillation, the torsional resistance that rotary shaft is generated by rubbing device simultaneously, the torsional resistance is fed directly to unilateral bearing to be tested, and the size of torsional resistance is adjusted according to actual needs；The number of rotary shaft rotation is obtained by magnetic induction sensor, according to the data that magnetic induction sensor obtains can calculate unilateral bearing to be tested the number that is unidirectionally reversed.
Description
Technical field
The utility model relates to a kind of unilateral bearing torsion testers.
Background technique
The component of machine such as bearing require to carry out quality testing and endurance test to it after producing, to guarantee its
Quality, it is needle bearing that this, which needs unilateral bearing to be tested, and the service life for allowing bearing to carry out stipulated number under nominal torque surveys
Examination, and external testing machine is expensive, so need to design a kind of can carry out that breakdown test is again economic to be drawn to needle bearing
The small-scale test machine of calculation.
Utility model content
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of unilateral bearing torsion
Testing machine improved method.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of unilateral bearing torsion tester, packet
Base is included, rotary shaft is provided on the base, the rotary shaft left end is equipped with unilateral bearing to be tested, one-way shaft to be tested
Inner ring is held to be fixedly connected with rotary shaft, unilateral bearing outer ring to be tested connects swing connecting bar, the rotary shaft right end and base it
Between be provided with for rotary shaft provide torsional resistance rubbing device.
Further, it includes friction plate, spring and simultaneously cap that the rubbing device, which includes rubbing device,；The rotary shaft is from rubbing
It is passed through in pad, convex key is provided in the rotary shaft, keyway, the convex key and keyway are offered in the axis hole of the friction plate
Cooperation, the rotary shaft are rotated through convex key band movable friction plate, and the friction plate axially moves on the rotary shaft along convex key, described
The rubbing surface for cooperating with base right side is formed on the left of friction plate；
Described and cap is connect with rotary shaft spiral, described and spring is arranged between cap and friction plate, and the spring right end supports
Simultaneously cap is connect, friction plate is pushed against on base right side by the spring left end.
Further, the rotary shaft includes main shaft and test axis, the main shaft from base across and with shape base
At rotatable engagement, the test axis right end forms spiral with main shaft left end and connect, the inner ring and test axis of unilateral bearing to be tested
It is fixedly connected.
Further, the connection structure between the unilateral bearing to be tested and swing connecting bar are as follows: opened in the swing connecting bar
If mounting hole, axle bed is fixedly installed in the mounting hole, the outer ring of unilateral bearing to be tested is fixed on axle bed；The pendulum
Screw fastening tieholen is offered on dynamic connection and axle bed, the screw fastening tieholen inward turning enters clamping screw, the clamping screw front end
The outer ring of unilateral bearing to be tested is locked on axle bed.
Further, the base includes pedestal, left end cap and right end cap, and fixation is set respectively for the left end cap and right end cap
It sets at left and right sides of pedestal, the rotary shaft is passed through from left end cap and right end cap, and is formed between left end cap and right end cap
Rotatable engagement.
Further, a plurality of oiling annular groove is opened up on the rubbing surface of the friction plate.
Further, the base is fixed on testing stand bottom plate, is fixedly installed deceleration on the testing stand bottom plate
Motor, the decelerating motor shaft connect turntable, driving lever are fixedly installed on the turntable, driving lever bias on turntable is set
It sets；Allocating slot is opened up in the swing connecting bar, described driving lever one end is fixedly connected with turntable, and the driving lever other end protrudes into allocating slot
It is interior.
Further, magnetic induction sensor is installed on the testing stand bottom plate, magnetic patch, the magnetic is provided in the rotary shaft
Block is rotated with rotary shaft, and the magnetic induction sensor receives the signal of magnetic patch.
The beneficial effects of the utility model are: friction dress on the rotary shaft is arranged on this unilateral bearing torsion tester
It sets to provide resistance for unilateral bearing test, testing machine structure is simple, and easy to assembly, cost is relatively low, is suitble to domestic medium-sized and small enterprises
Bearing Factory in carry out bearing test.
Rubbing device includes friction plate and cap and spring, and both ends of the spring pushes against friction plate and simultaneously cap respectively, and cap spiral connects
Connect on the rotary shaft, by rotation and cap make its do on the rotary shaft the reciprocating motion of horizontal cross to spring carry out squeeze or pine
It opens, so that spring be allowed to push against friction plate or far from friction plate, and then controls rotary shaft torsional resistance suffered when rotated, make
Test service life of the constitution test unilateral bearing under different torsional resistances.
Rotary shaft includes main shaft and test axis, and main shaft forms rotation connection across base and base, test axis and
Spiral links together between main shaft, and tests axis and be fixedly connected with the inner ring of unilateral bearing to be tested, can thus need
As long as replacement test axis when replacing the unilateral bearing of different torsion, to make entire replacement process more convenient.
Screw fastening tieholen is offered between swing connecting bar and axle bed, can thus clamping screw be allowed to pass through screw-threaded coupling
Hole is locked at the outer ring of the unilateral bearing to be tested in axle bed on axle bed in turn.
A plurality of oiling annular groove is offered on the rubbing surface of friction plate, it thus can be by moistening to the oiling of oiling annular groove
Sliding/friction piece increases the service life of friction plate.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is longitudinal half-section diagram of unilateral bearing torsion tester；
Fig. 2 is swing connecting bar motion structure schematic diagram；
Wherein, 1, base, 1A, left end cap, 1B, right end cap, 1C, pedestal, 2, rotary shaft, 2A, main shaft, 2B, test axis, 3,
Rubbing device, 3A, friction plate, 3B and cap, 3C, spring, 4, unilateral bearing to be tested, 5, swing connecting bar, 5A, allocating slot, 6, test
Platform bottom plate, 7, screw fastening tieholen, 8, decelerating motor, 8A, driving lever.
Specific embodiment
The utility model is further described presently in connection with attached drawing.These attached drawings are simplified schematic diagram only to show
Meaning mode illustrates the basic structure of the utility model, therefore it only shows composition related with the utility model.
As shown in Figure 1 to Figure 2, a kind of unilateral bearing torsion tester, including base 1, base 1 include pedestal 1C, left end
Lid 1A and right end cap 1B, left end cap 1A and right end cap 1B are respectively fixedly disposed at left and right sides of pedestal 1A, and rotary shaft 2 is from left end
It is passed through in lid 1A and right end cap 1B, and forms rotatable engagement between left end cap 1A and right end cap 1B, 2 left end of rotary shaft is equipped with
Unilateral bearing 4 to be tested, 4 inner ring of unilateral bearing to be tested are fixedly connected with rotary shaft 2,4 outer ring of unilateral bearing connection to be tested
Swing connecting bar 5 is provided with for providing the rubbing device 3 of torsional resistance to rotary shaft 2 between 2 right end of rotary shaft and base 1.
Rubbing device 3 includes that rubbing device 3 includes friction plate 3A, spring 3C and simultaneously cap 3B；Rotary shaft 2 is from friction plate 3A
In pass through, convex key is provided in rotary shaft 2, offers keyway in the axis hole of friction plate 3A, convex key and keyway cooperate, rotary shaft 2
It is rotated through convex key band movable friction plate 3A, friction plate 3A axially moves in rotary shaft 2 along convex key, is formed and is used on the left of friction plate 3A
In the rubbing surface cooperated with 1 right side of base, band movable friction plate 3A can thus be rotated when rotary shaft 2 rotates, friction plate
Frictional fit occurs for 3A and 1 right end of base, and then makes rotary shaft 2 by rotational resistance.
And cap 3B is connect with 2 spiral of rotary shaft, and spring 3C is arranged between cap 3B and friction plate 3A, spring 3C right end abuts
And friction plate 3A is pushed against on 1 right side of base by cap 3B, the left end spring 3C, passes through simultaneously cap 3B horizontal cross in rotary shaft 2
Mobile and then extruding spring 3C pushes away friction plate 3A so that spring 3C be allowed to generate bigger thrust or reduction to friction plate 3A
Power.
In order to cope with the unilateral bearing of different model, thus rotary shaft 2 divide for main shaft 2A and test axis 2B, main shaft 2A from
Across and with form rotatable engagement base 1 in base 1, test axis 2B right end is connect with the left end main shaft 2A formation spiral, to
The inner ring for testing unilateral bearing 4 is fixedly connected with test axis 2B, can thus be answered as long as the test axis 2B of replacement different model
To the unilateral bearing of different model.
Connection structure between unilateral bearing 4 to be tested and swing connecting bar 5 are as follows: open up mounting hole in swing connecting bar 5, install
Axle bed is fixedly installed in hole, the outer ring of unilateral bearing 4 to be tested is fixed on axle bed；Exist in order to fixed unilateral bearing
Position in 5 central axis seat of swing connecting bar offers screw fastening tieholen 7,7 inward turning of screw fastening tieholen on connection and axle bed so swinging
Enter clamping screw, can thus allow clamping screw front end that the outer ring of unilateral bearing 4 to be tested is locked on axle bed.
In order to increase service life of the friction plate 3A in testing machine, so being opened up on the friction plate 3A of friction plate 3A more
Oiling annular groove.
Base 1 is fixed on testing stand bottom plate 6, and decelerating motor 8 is fixedly installed on testing stand bottom plate 6, and slow down electricity
8 shaft of machine connects turntable, fixed setting driving lever 8A on turntable, driving lever 8A eccentric setting on turntable, opens up and dials in swing connecting bar 5
The one end slot 5A, driving lever 8A is fixedly connected with turntable, and the driving lever 8A other end protrudes into allocating slot 5A.
In order to facilitate record unilateral bearing in testing machine number of revolutions thus on testing stand bottom plate 6 magnetic strength is installed
Inductive sensing device is provided with magnetic patch in rotary shaft 2, and magnetic patch is rotated with rotary shaft 2, and magnetic induction sensor receives the signal of magnetic patch.Rotation
Shaft 2 drives magnetic patch rotation to turn around, and magnetic induction sensor just receives a signal, it is assumed that swing connecting bar 5, which is continuously swung 80 times, to be made
The rotation of rotary shaft 2 is turned around, then the lap information fed back according to magnetic induction sensor can know that swing connecting bar 5 is continuously put
Dynamic number, and then know the number that needle bearing is tested.
Specific operation process is as follows, is first fitted into unilateral bearing 4 to be tested in axle bed through press machine, and by screwing in locking
Bolt is fixed, and then 4 inner ring of unilateral bearing to be tested is fixedly connected with unilateral bearing to be tested, and decelerating motor 8 drives the company of swing
Bar 5 moves back and forth, and drives rotary shaft rotation through unilateral bearing 4 to be tested when 5 clockwise oscillation of swing connecting bar, rotary shaft 2 is simultaneously
By the torsional resistance that rubbing device 3 generates, which is fed directly to unilateral bearing 4 to be tested, torsional resistance it is big
It is small to adjust according to actual needs；The number that rotary shaft 2 rotates is obtained by magnetic induction sensor, is obtained according to magnetic induction sensor
Data can calculate unilateral bearing 4 to be tested the number that is unidirectionally reversed.
The utility model testing machine, structure is simple, and manufacturing cost is lower, ease of assembly, can be carried out test stable for a long time.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of unilateral bearing torsion tester, characterized in that including base (1), be provided with rotary shaft on the base (1)
(2), rotary shaft (2) left end is equipped with unilateral bearing to be tested (4), unilateral bearing (4) inner ring to be tested and rotary shaft (2)
It is fixedly connected, unilateral bearing (4) outer ring to be tested connects swing connecting bar (5), between rotary shaft (2) right end and base (1)
It is provided with for providing the rubbing device (3) of torsional resistance to rotary shaft (2).
2. unilateral bearing torsion tester according to claim 1, characterized in that the rubbing device (3) includes friction
Device (3) includes friction plate (3A), spring (3C) and simultaneously cap (3B)；
The rotary shaft (2) passes through from friction plate (3A), and convex key, the friction plate (3A) are provided on the rotary shaft (2)
Axis hole in offer keyway, the convex key and keyway cooperate, and the rotary shaft (2) rotates through convex key band movable friction plate (3A),
The friction plate (3A) axially moves on rotary shaft (2) along convex key, and friction plate (3A) left side formation is used for and base
(1) rubbing surface of right side cooperation；
Described and cap (3B) is connect with rotary shaft (2) spiral, and spring (3C) is arranged between described and cap (3B) and friction plate (3A),
Spring (3C) right end abuts and cap (3B), and friction plate (3A) is pushed against base (1) right side by the spring left end (3C)
On.
3. unilateral bearing torsion tester according to claim 1, characterized in that the rotary shaft (2) includes main shaft
(2A) and test axis (2B), the main shaft (2A) from base (1) across and with forming rotatable engagement base (1), it is described
Test axis (2B) right end forms spiral with the main shaft left end (2A) and connect, the inner ring of unilateral bearing (4) to be tested and test axis (2B)
It is fixedly connected.
4. unilateral bearing torsion tester according to claim 3, characterized in that the unilateral bearing (4) to be tested with
Connection structure between swing connecting bar (5) are as follows: mounting hole, fixed setting in the mounting hole are opened up on the swing connecting bar (5)
The outer ring of axle bed, unilateral bearing (4) to be tested is fixed on axle bed；
It is offered screw fastening tieholen (7) on the swing connecting bar (5) and axle bed, locking screw is screwed in the screw fastening tieholen (7)
The outer ring of unilateral bearing to be tested (4) is locked on axle bed by bolt, the clamping screw front end.
5. unilateral bearing torsion tester according to claim 1, characterized in that the base (1) include pedestal (1C),
Left end cap (1A) and right end cap (1B), the left end cap (1A) and right end cap (1B) are respectively fixedly disposed at the left and right pedestal (1C)
Two sides, the rotary shaft (2) pass through from left end cap (1A) and right end cap (1B), and with left end cap (1A) and right end cap (1B) it
Between form rotatable engagement.
6. unilateral bearing torsion tester according to claim 2, characterized in that on the rubbing surface of the friction plate (3A)
Open up a plurality of oiling annular groove.
7. unilateral bearing torsion tester according to claim 1, characterized in that the base (1) is fixed at examination
It tests on platform bottom plate (6), is fixedly installed decelerating motor (8) on the testing stand bottom plate (6), decelerating motor (8) shaft connects
Switch through disk, driving lever (8A) is fixedly installed on the turntable, driving lever (8A) eccentric setting on turntable；
It is opened up allocating slot (5A) on the swing connecting bar (5), described driving lever (8A) one end is fixedly connected with turntable, the driving lever (8A)
The other end protrudes into allocating slot (5A).
8. unilateral bearing torsion tester according to claim 7, characterized in that installed on the testing stand bottom plate (6)
Magnetic induction sensor is provided with magnetic patch on the rotary shaft (2), and the magnetic patch is rotated with rotary shaft (2), the magnetic strength inductive sensing
Device receives the signal of magnetic patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377835.7U CN209400213U (en) | 2019-03-22 | 2019-03-22 | Unilateral bearing torsion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377835.7U CN209400213U (en) | 2019-03-22 | 2019-03-22 | Unilateral bearing torsion tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400213U true CN209400213U (en) | 2019-09-17 |
Family
ID=67899924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920377835.7U Active CN209400213U (en) | 2019-03-22 | 2019-03-22 | Unilateral bearing torsion tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209400213U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213208A (en) * | 2020-09-07 | 2021-01-12 | 深圳技术大学 | Torsion testing machine |
| CN112525468A (en) * | 2020-11-27 | 2021-03-19 | 人本股份有限公司 | Unidirectional bearing torque impact test bench |
| CN117405548A (en) * | 2023-12-15 | 2024-01-16 | 江苏星波轻材新材料有限公司 | Detection device for aluminum alloy product |
-
2019
- 2019-03-22 CN CN201920377835.7U patent/CN209400213U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213208A (en) * | 2020-09-07 | 2021-01-12 | 深圳技术大学 | Torsion testing machine |
| CN112525468A (en) * | 2020-11-27 | 2021-03-19 | 人本股份有限公司 | Unidirectional bearing torque impact test bench |
| CN117405548A (en) * | 2023-12-15 | 2024-01-16 | 江苏星波轻材新材料有限公司 | Detection device for aluminum alloy product |
| CN117405548B (en) * | 2023-12-15 | 2024-04-19 | 江苏星波轻材新材料有限公司 | Detection device for aluminum alloy product |
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