CN106370122A - Hub rotary bending test device - Google Patents
Hub rotary bending test device Download PDFInfo
- Publication number
- CN106370122A CN106370122A CN201610855295.XA CN201610855295A CN106370122A CN 106370122 A CN106370122 A CN 106370122A CN 201610855295 A CN201610855295 A CN 201610855295A CN 106370122 A CN106370122 A CN 106370122A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- wheel hub
- water jacket
- oil cylinder
- slide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The present invention discloses a hub rotary bending test device. A hub fixing device, a loading connection device and a main shaft are mounted on a working bench; the main shaft is connected with a motor reducer through a universal joint; the hub fixing device comprises a hub slide rail; a hub slide plate is connected onto the hub slide rail; a water jacket mounting bracket is arranged on the hub slide plate; the water jacket mounting bracket is provided with a circulating water jacket; the circulating water jacket includes an inner water jacket; a bearing is mounted in the shaft hole of the inner water jacket; the outer wall of the inner water jacket is provided with an annular cooling water groove; the inner water jacket is sleeved with an outer water jacket; the inner wall of the outer water jacket is provided with an annular groove; a water injection hole and a water discharge hole are formed in the outer water jacket; the loading connection device comprises a loading sleeve; the loading sleeve sleeves the main shaft; the side surface of the loading sleeve is provided with a radial loading arm; the radial loading arm is provided with an axial loading arm; the axial loading arm is provided with a force loading block; and the force loading block is connected with a main shaft axial force applying device and a main shaft radial force applying device. With the hub rotary bending test device adopted, the temperature of the bearing can be reduced, and accuracy can be improved.
Description
Technical field
The present invention relates to a kind of wheel hub rotary bending assay device, it is a kind of examination of the wheel hub rotary bending for automotive hub
Experiment device.
Background technology
Automotive hub needs it is carried out wheel hub rotary bending test before use, at present, automotive wheels hub wheel in use
When testing to wheel hub, the mode taken is hub rotary bending assay device: wheel hub is enclosed within bearing, and wheel hub is fixed simultaneously
On main shaft, main shaft is connected with motor reducer by universal joint, and radial and axial load cylinder applies footpath to main shaft respectively
To with axial power, thus testing the deflection of wheel hub.The phenomenon of Bearing Temperature, in loading experiment, occurs often, sternly
Ghost image rings the precision of experiment.
Content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of wheel hub rotary bending assay device, it is to avoid the temperature of bearing
Spend the impact of the high precision to test.
To achieve these goals, technical scheme is as follows: a kind of wheel hub rotary bending assay device, including work
Make table top, installation wheel hub fixing device, loading attachment means and main shaft on described work top, described main shaft passes through universal joint
Be connected with motor reducer it is characterised in that: described fixing device for wheel hub is included along main shaft axially extended wheel hub slide rail, in wheel
Be slidably connected on hub slide rail wheel hub slide plate, and described wheel hub slide plate is provided with water jacket installing rack, pacifies on described water jacket installing rack
Dress cyclic water jacket, described cyclic water jacket includes inner water sleeve, and described inner water sleeve is provided with the axis hole extending about axis, in this axis hole
Middle installation bearing, on the outer wall of described inner water sleeve, the position of corresponding bearing is provided with annular cooling water groove, is cased with outside described inner water sleeve
Outer water jacket, on the inwall of described outer water jacket, the position of corresponding annular cooling water groove is provided with annular groove, and described outer water jacket sets
It is equipped with the water injection hole that can connect and osculum with annular cooling water groove；
Described loading attachment means include loading set, and described loading set is sleeved on outside main shaft, and the described side loading set sets
It is equipped with radial loaded arm, described radial loaded arm arranges axially loaded arm, described axially loaded arm installs strength loading blocks,
Described strength loading blocks are connected with main shaft axial direction force application apparatus and main shaft radial direction force application apparatus simultaneously.
Using such scheme, we install cyclic water jacket outside bearing, by injecting recirculated water, bearing are cooled down,
Prevent temperature too high and affect test accuracy.
During use, wheel hub is covered within the bearing, wheel hub is fixed on main shaft, motor drives main shaft rotation, meanwhile, by adding
Carry attachment means and axial direction and radial direction power is applied to main shaft, test wheel hub deflection in this condition.
In such scheme: the end of described main shaft is provided with transition disc.It is respectively arranged with the both sides of described outer water jacket
High precision laser displacement sensor.Wheel hub is arranged on transition disc by bolt.
In such scheme: described main shaft axial direction force application apparatus and main shaft radial direction force application apparatus are oil cylinder.
In such scheme: the side of described radial loaded arm is provided with along main shaft radially radially extending chute, described
Axially loaded arm is slidably connected in radial groove, and is locked by clamping screw.The position of axially loaded arm so can be realized
Put regulation, suitable different model wheel hub uses.
In such scheme: the side of described axially loaded arm is provided with along main shaft axially axially extending chute, described
Strength loading blocks are slidably connected in axial slide, and are locked by clamping screw.The position of strength loading blocks so can be realized
Put regulation, suitable different model wheel hub uses.
In such scheme: described wheel hub slide plate is driven by screw pair and moves along wheel hub slide rail.By mobile wheel hub
The position of slide plate, to adjust the distance between wheel hub and main shaft, installs easy to adjust, and suitable different model wheel hub uses.
In such scheme: described main shaft axial direction force application apparatus and main shaft radial direction force application apparatus are separately mounted to oil cylinder seat
On, on work top, corresponding main shaft axial direction force application apparatus and main shaft radial direction force application apparatus are respectively arranged with the first oil cylinder and slide
Rail, is slidably fitted with the first oil cylinder slide plate on described first oil cylinder slide rail, described first oil cylinder slide plate arranges the second oil cylinder
Slide rail, described first oil cylinder slide rail and the second oil cylinder slide rail are vertical, and be slidably installed on the second oil cylinder slide rail the second oil cylinder slide plate,
The oil cylinder seat of described main shaft axial direction force application apparatus and main shaft radial direction force application apparatus is separately mounted to corresponding second oil cylinder slide plate
On, described first oil cylinder slide plate and the second oil cylinder slide plate are also driven by screw pair respectively and move on respective slide rail.So
The position of main shaft axial direction force application apparatus and main shaft radial direction force application apparatus can easily be adjusted, the wheel hub adapting to different model makes
With.
In such scheme: described loading puts and is additionally provided with angular transducer installing hole, and angular transducer inserts this angle
In sensor mounting hole.
In such scheme: high-precision laser displacement is respectively arranged with the water jacket installing rack of the both sides of described outer water jacket and passes
Sensor, the test position of described high precision laser displacement sensor is beaten on transition disc.
Testing scheme of the present invention is: wheel hub is directly installed on transition disc, and transition disc is arranged on main shaft.High accuracy is swashed
The measuring point of Optical displacement sensor is beaten on transition disc, measures its deflection, according to the ratio of wheel hub and transition disc, converses
The deflection of wheel hub, and angular transducer is installed, the angular distortion amount of wheel hub can be measured.
In such scheme: described loading puts and is provided with installation journal stirrup, and described angular transducer installing hole is arranged on installation
On journal stirrup.Journal stirrup is installed and is used for fixed main shaft.
Beneficial effect: the present invention passes through to arrange cyclic water jacket outside bearing, bearing is lowered the temperature, it is to avoid bearing temperature mistake
The high impact to test accuracy, improves test accuracy, and the present invention adopts high precision laser displacement sensor to measure the change of transition disc
Shape, according to the ratio of wheel hub and transition disc, converses the deflection of wheel hub, and is provided with angular transducer, can measure wheel
The angular distortion amount of hub, measuring accuracy is high, and testing equipment is simple and reliable, strong adaptability.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is to load attachment means structural representation.
Axial end view based on Fig. 3.
Fig. 4 is the a-a sectional view of Fig. 3.
Fig. 5 is the scheme of installation of cyclic water jacket and bearing.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1, as Figure 1-5: the wheel hub rotary bending assay device of the present invention is by work top, the fixing dress of wheel hub
Put, load attachment means and main shaft 1 forms.
Main shaft 1 is connected with motor reducer by universal joint, and motor reducer is connected with motor.The end setting of main shaft 1
There is transition disc 14.
Fixing device for wheel hub includes along main shaft axially extended wheel hub slide rail 2, and the wheel hub that is slidably connected on wheel hub slide rail 2 is slided
Plate 3, wheel hub slide plate 3 is provided with water jacket installing rack 4, installs cyclic water jacket on water jacket installing rack 4, and cyclic water jacket includes interior water
Set 5, inner water sleeve 5 is provided with the axis hole extending about axis, installs bearing 6, respective shaft on the outer wall of inner water sleeve 5 in this axis hole
The position holding 6 is provided with annular cooling water groove 5a, is cased with outer water jacket 7 outside inner water sleeve 5, corresponding annular cooling on the inwall of outer water jacket 7
The position of tank 5a is provided with annular groove 7a, and outer water jacket 7 is provided with the water injection hole 7b that can be connected with annular cooling water groove 5a
With osculum 7c, wheel hub slide plate 3 is driven mobile along wheel hub slide rail 2 by screw pair 18.
The water jacket installing rack 4 of the both sides of outer water jacket 7 is respectively arranged with high precision laser displacement sensor 15.Wheel hub 22
It is enclosed within bearing 6, meanwhile, wheel hub 22 is bolted on transition disc 14, the test of high precision laser displacement sensor 15
Position is beaten on transition disc 14.
Load attachment means to include loading set 8, load set 8 and be sleeved on outside main shaft 1, load setting master between set 8 and main shaft
Axle bearing, loads and is provided with installation journal stirrup 8a on set 8, installs journal stirrup 8a and is used for fixed main shaft 1.Load and be additionally provided with angle on set 8
Degree sensor mounting hole, optimized angle sensor mounting hole is arranged on installation journal stirrup 8a, and angular transducer 21 inserts this angle
In sensor mounting hole.The side loading set 8 is provided with radial loaded arm 9, and radial loaded arm 9 arranges axially loaded arm 10,
Strength loading blocks 11 are installed on axially loaded arm 10.
Preferred: the side of radial loaded arm 9 is provided with along main shaft radially radially extending chute 9a, axially loaded arm
10 are slidably connected in radial groove 9a, and are locked by clamping screw.The side of axially loaded arm 10 is provided with along main shaft
Axially extended axial slide 10a, strength loading blocks 11 are slidably connected in axial slide 10a, and are locked by clamping screw.
Strength loading blocks 11 are connected with main shaft axial direction force application apparatus 12 and main shaft radial direction force application apparatus 13 simultaneously.Spindle shaft
It is oil cylinder to force application apparatus 12 and main shaft radial direction force application apparatus 13.
Main shaft axial direction force application apparatus 12 and main shaft radial direction force application apparatus 13 are separately mounted on oil cylinder seat, in work top
Upper corresponding main shaft axial direction force application apparatus 12 and main shaft radial direction force application apparatus 13 are respectively arranged with the first oil cylinder slide rail 16, first
First oil cylinder slide plate 17 is slidably fitted with oil cylinder slide rail 16, the first oil cylinder slide plate 17 arranges the second oil cylinder slide rail 19, first
Oil cylinder slide rail 16 and the second oil cylinder slide rail 19 are vertical, and be slidably installed on the second oil cylinder slide rail 19 second oil cylinder slide plate 20, main shaft
The oil cylinder seat of axial force distribution device 12 and main shaft radial direction force application apparatus 13 is separately mounted on corresponding second oil cylinder slide plate 20,
First oil cylinder slide plate 17 and the second oil cylinder slide plate 20 are also driven by screw pair 18 respectively and move on respective slide rail, thus adjusting
The position of whole oil cylinder.
During test, motor drives main shaft 1 to rotate, and wheel hub 22 follows rotation, main shaft axial direction force application apparatus 12 and master simultaneously
Axial and radial force application apparatus 13 apply power axially and radially to main shaft 1.Transition is measured using high precision laser displacement sensor 15
Disk 14 deflection, according to the ratio of wheel hub and transition disc 14, converses the deflection of wheel hub, by angular transducer 21, can survey
Measure the angular distortion amount of wheel hub.
The present invention is not limited to above-described embodiment it will be appreciated that those of ordinary skill in the art is without creative work
Just many modifications and variations can be made according to the design of the present invention.All technical staff in the art are under this invention's idea
On the basis of existing technology pass through the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by
In protection domain determined by claims.
Claims (10)
1. a kind of wheel hub rotary bending assay device, including work top, on described work top installation wheel hub fixing device,
Load attachment means and main shaft (1), described main shaft (1) be connected with motor reducer by universal joint it is characterised in that: described wheel
Hub fixing device includes along main shaft axially extended wheel hub slide rail (2), and be slidably connected on wheel hub slide rail (2) wheel hub slide plate (3),
It is provided with water jacket installing rack (4) on described wheel hub slide plate (3), cyclic water jacket, described circulation are installed on described water jacket installing rack
Water jacket includes inner water sleeve (5), and described inner water sleeve (5) is provided with the axis hole extending about axis, installs bearing in this axis hole
(6), on the outer wall of described inner water sleeve (5), the position of corresponding bearing (6) is provided with annular cooling water groove (5a), described inner water sleeve (5)
It is cased with outward outer water jacket (7), on the inwall of described outer water jacket (7), the position of corresponding annular cooling water groove (5a) is provided with annular groove
(7a), described outer water jacket (7) is provided with the water injection hole (7b) that can connect and osculum (7c) with annular cooling water groove (5a)；
Described loading attachment means include loading set (8), and the described set (8) that loads is sleeved on main shaft (1) outward, and described loading covers (8)
Side be provided with radial loaded arm (9), described radial loaded arm (9) is upper to arrange axially loaded arm (10), described axially loaded
Arm (10) is upper to install strength loading blocks (11), described strength loading blocks (11) axial force application apparatus (12) and master with main shaft simultaneously
Axial and radial force application apparatus (13) are connected.
2. according to claim 1 wheel hub rotary bending assay device it is characterised in that: the setting of the end of described main shaft (1)
There is transition disc (14).
3. according to claim 2 wheel hub rotary bending assay device it is characterised in that: described load set (8) on also set up
Angled sensor mounting hole, angular transducer (21) inserts in this angular transducer installing hole.
4. according to claim 3 wheel hub rotary bending assay device it is characterised in that: described load set (8) on be provided with
Journal stirrup (8a) is installed, described angular transducer installing hole is arranged in installation journal stirrup (8a).
5. according to claim 4 wheel hub rotary bending assay device it is characterised in that: in the both sides of described outer water jacket (7)
Water jacket installing rack (4) on be respectively arranged with high precision laser displacement sensor (15), described high precision laser displacement sensor
(15) test position is beaten on transition disc (14).
6. according to any one of claim 1-5 wheel hub rotary bending assay device it is characterised in that: described main shaft is axially applied
Power apparatus (12) and main shaft radial direction force application apparatus (13) are oil cylinder.
7. according to claim 6 wheel hub rotary bending assay device it is characterised in that: the side of described radial loaded arm (9)
Face is provided with along main shaft radially radially extending chute (9a), and described axially loaded arm (10) is slidably connected at radial groove
(9a) in, and locked by clamping screw.
8. according to claim 7 wheel hub rotary bending assay device it is characterised in that: the side of described axially loaded arm (10)
Face is provided with along main shaft axially axially extending chute (10a), and described strength loading blocks (11) are slidably connected at axial slide
(10a) in, and locked by clamping screw.
9. according to claim 8 wheel hub rotary bending assay device it is characterised in that: described wheel hub slide plate (3) pass through silk
Bar pair (18) drives mobile along wheel hub slide rail (2).
10. according to claim 9 wheel hub rotary bending assay device it is characterised in that: described main shaft axial direction force application apparatus
(12) and main shaft radial direction force application apparatus (13) is separately mounted on oil cylinder seat, corresponding main shaft axial force distribution dress on work top
Put (12) and main shaft radial direction force application apparatus (13) is respectively arranged with the first oil cylinder slide rail (16), in described first oil cylinder slide rail
(16) it is slidably fitted with the first oil cylinder slide plate (17) on, described first oil cylinder slide plate (17) is upper to arrange the second oil cylinder slide rail (19),
Described first oil cylinder slide rail (16) and the second oil cylinder slide rail (19) are vertical, and be slidably installed on the second oil cylinder slide rail (19) the second oil
Cylinder slide plate (20), the oil cylinder seat of described main shaft axial direction force application apparatus (12) and main shaft radial direction force application apparatus (13) is separately mounted to
On corresponding second oil cylinder slide plate (20), described first oil cylinder slide plate (17) and the second oil cylinder slide plate (20) also pass through screw mandrel respectively
Secondary (18) drive and move on respective slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855295.XA CN106370122B (en) | 2016-09-28 | 2016-09-28 | Wheel hub rotary bending experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855295.XA CN106370122B (en) | 2016-09-28 | 2016-09-28 | Wheel hub rotary bending experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106370122A true CN106370122A (en) | 2017-02-01 |
| CN106370122B CN106370122B (en) | 2019-09-06 |
Family
ID=57897026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855295.XA Expired - Fee Related CN106370122B (en) | 2016-09-28 | 2016-09-28 | Wheel hub rotary bending experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106370122B (en) |
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|---|---|---|---|---|
| CN1115012A (en) * | 1995-02-28 | 1996-01-17 | 杨述臣 | Position differential type self-circulation water-cooling bearing box |
| JP2001221241A (en) * | 1999-11-29 | 2001-08-17 | Koyo Seiko Co Ltd | Bearing device |
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| CN203465142U (en) * | 2013-07-30 | 2014-03-05 | 上海汇众汽车制造有限公司 | Bending fatigue test fixture for front wheel hub tests |
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN206074367U (en) * | 2016-09-28 | 2017-04-05 | 重庆圣巴巴拉实业有限公司 | Rotary bending testing machine |
-
2016
- 2016-09-28 CN CN201610855295.XA patent/CN106370122B/en not_active Expired - Fee Related
Patent Citations (13)
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|---|---|---|---|---|
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| JP2001221241A (en) * | 1999-11-29 | 2001-08-17 | Koyo Seiko Co Ltd | Bearing device |
| US6460423B1 (en) * | 2001-02-01 | 2002-10-08 | The Timken Company | Method of measuring preload in a multirow bearing assembly |
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| CN2767957Y (en) * | 2005-01-04 | 2006-03-29 | 华南理工大学 | Device for measuring axis parts flexural deformation plane array CCD |
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| CN203465142U (en) * | 2013-07-30 | 2014-03-05 | 上海汇众汽车制造有限公司 | Bending fatigue test fixture for front wheel hub tests |
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN206074367U (en) * | 2016-09-28 | 2017-04-05 | 重庆圣巴巴拉实业有限公司 | Rotary bending testing machine |
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| 王健等: "汽车轮毂轴承单元力矩刚度试验机", 《轴承》 * |
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| Publication number | Publication date |
|---|---|
| CN106370122B (en) | 2019-09-06 |
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Granted publication date: 20190906 Termination date: 20200928 |