CN106932197A - A kind of involute spline pair fretting wear testing stand - Google Patents
A kind of involute spline pair fretting wear testing stand Download PDFInfo
- Publication number
- CN106932197A CN106932197A CN201710148016.0A CN201710148016A CN106932197A CN 106932197 A CN106932197 A CN 106932197A CN 201710148016 A CN201710148016 A CN 201710148016A CN 106932197 A CN106932197 A CN 106932197A
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- involute
- spline
- screw
- block
- wear
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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
- G01M13/02—Gearings; Transmission mechanisms
Abstract
The invention discloses a kind of involute spline pair fretting wear testing stand, involute inner spline and involute outer spline to be measured is installed in frame, wear-resistant sleeve is nested between sleeve and involute inner spline, pulling force sensor is located on pull bar, rack rail is provided with longitudinal leadscrew and horizontal leading screw for adjusting suppressive jamming size and loading position, and motor-driven involute spline parafacies is rotated for wear-resistant sleeve.Position of the wear-resistant sleeve relative to involute inner spline is adjusted by horizontal leading screw, the pulling force size that wear-resistant sleeve applies to involute inner spline is adjusted by longitudinal leadscrew, simulation involute inner spline and working condition of involute outer spline when by suppressive jamming, pass through pulling force sensor Real Time Observation tension variations again, realize that the suppressive jamming of the variable position and size being subject to during simulation involute spline subtask is acted on, involute inner spline is measured with the fretting wear rule of involute outer spline, involute spline pair fretting wear experiment is simplified.
Description
Technical field
The present invention relates to fretting wear field of measuring technique, specifically, it is related to a kind of involute spline pair fretting wear
Testing stand.
Background technology
The characteristics of involute spline pair has uniform stand under load, large carrying capacity and good guidance quality, therefore and obtain extensively should
With.But, in aviation power transmission, because the secondary operating mode of involute spline is severe, situations such as there is suppressive jamming and act on so that
Spline contact tooth surface abrasion is serious, causes connection to be failed.Lacking at present can be directed to different loading positions and different size last item
The development test platform of the secondary fretting wear rule of the lower involute spline of power effect, and associated friction wear measurement testing stand work(
The all many-sided all existing defects of energy, structure, practicality.
" a kind of differential spider pinion shaft fatigue wear testing stand and its experiment are disclosed in the A of patent CN 106053063
Method ", the fatigue wear testing stand controls to apply the size of suppressive jamming by nut precession, although solve simulation revolving part work
By the situation of suppressive jamming when making, but the fatigue wear testing stand can only carry out suppressive jamming and apply in two positions to revolving part
Plus, it is impossible to the optional position for revolving part axial direction applies controllable suppressive jamming, revolving part axial direction last item when can not simulate work
The real-time change of power position, analog case is limited.
The content of the invention
In order to avoid the deficiency that prior art is present, the present invention proposes a kind of involute spline pair fretting wear testing stand.
The wear test platform adjusts wear-resistant sleeve relative to the position of involute inner spline using horizontal leading screw, adjusts resistance to by longitudinal leadscrew
The pulling force size that grinding set applies to involute inner spline, simulation involute inner spline is with involute outer spline when by suppressive jamming
Working condition, and by pulling force sensor Real Time Observation tension variations, realize what is be subject to during simulation involute spline subtask
The suppressive jamming effect of variable position and variable-size, is carried out to involute inner spline with the fretting wear rule of involute outer spline
Accurately, it is reliable to determine, simplify involute spline pair fretting wear experiment.
The technical solution adopted for the present invention to solve the technical problems is:Including frame, the first fixed block, driven cover locking
Nut, driven set, wear-resistant sleeve, sleeve, involute inner spline, actively involute outer spline, set, driving wheel, active cover locking spiral shell
Mother, the second fixed block, horizontal leading screw, screw block, square slider, longitudinal leadscrew, guide rail, pull bar, pulling force sensor, motor,
It is characterized in that the frame provides support for above-mentioned each part；
First fixed block and the second fixed block are two structure identical parts, and fixed block axially has circular hole, two
Fixed block is respectively fixed on the machine frame the side of face one, and coaxial-symmetrical is installed；Involute inner spline one end is embedded in solid positioned at first
Determine the driven set one end in block circular hole, bearing is provided between driven set and the first fixed block circular hole, the end of driven set is provided with spiral shell
Line, driven cover locking nut coordinates with driven external threading to be installed, and involute outer spline one end is embedded in positioned at the second fixed block circle
In hole active set in and by pin be connected, active cover locking nut with actively put external screw thread coordinate install, actively set and
Bearing is provided between the second fixed block circular hole, outer end is actively covered and driving wheel is installed, involute inner spline connects with involute outer spline
Connect；Guide rail is fixed on opposite side above frame, and peace parallel with the involute inner spline and involute outer spline that link together
Dress；
T-slot is provided with the guide rail vertically, axially there is hexagonal screw in multiple in T-slot, guide rail one end is provided with
Square through hole, screw block is arranged in square through hole, and guide rail is used for the movement of square slider；
The longitudinal screw vertical with sliding block axis is provided with the middle of the square slider, longitudinal leadscrew one end is passed through on sliding block
Screw is connected with pull bar, and pull bar is connected with wear-resistant sleeve, and wear-resistant sleeve is nested between sleeve and involute inner spline, pulling force sensor
On pull bar；
The screw block is located at the side of guide rail top shoe, and the spiral shell coordinated with horizontal leading screw screw thread is axially provided with screw block
Hole, horizontal leading screw one end is connected through the screw on screw block with square slider；
Motor is fixed on and rail end side is located in frame, is provided with belt wheel on motor output shaft, and with actively
The driving wheel for covering outer end connects transmission by belt.
The axis of the involute inner spline and the involute outer spline and the horizontal leading screw and the longitudinal leadscrew
Axis be generally aligned in the same plane in.
Beneficial effect
A kind of involute spline pair fretting wear testing stand proposed by the present invention, installs to be measured after having assembled in frame
Involute inner spline and involute outer spline, wear-resistant sleeve are nested between sleeve and involute inner spline, and pulling force sensor is located at
On pull bar, rack rail is provided with longitudinal leadscrew and horizontal leading screw for adjusting suppressive jamming size and loading position, motor
Involute spline parafacies is driven to be rotated for wear-resistant sleeve.Position using horizontal leading screw regulation wear-resistant sleeve relative to involute inner spline
Put, the pulling force size that wear-resistant sleeve applies to involute inner spline is adjusted by longitudinal leadscrew, simulate involute inner spline and gradually open
Working condition of line external splines when by suppressive jamming, and by pulling force sensor Real Time Observation tension variations, so as to can realize
The variable position and the suppressive jamming of variable-size being subject to during simulation involute spline subtask are acted on, to involute inner spline and gradually
The fretting wear rule of external splines of bursting at the seams carries out accurate, reliable measure, enormously simplify involute spline pair fretting wear examination
Test.
Brief description of the drawings
Further is made to a kind of involute spline pair fretting wear testing stand of the invention with implementation method below in conjunction with the accompanying drawings
Describe in detail.
Fig. 1 is involute spline of the present invention pair fretting wear test platform structure schematic diagram.
Fig. 2 a are the guide rail schematic diagram of involute spline pair fretting wear testing stand of the present invention.
Fig. 2 b are the side view of Fig. 2 a.
Fig. 3 is the A-A in Fig. 1 to sectional view.
Fig. 4 is the B-B direction sectional view in Fig. 1.
In figure:
1. the driven driven set sleeve 7. of 5. wear-resistant sleeve 6. of cover locking nut 4. of 2. first fixed block of frame 3. is gradually opened
The involute outer spline 9. of line internal spline 8. actively covers the active cover locking nut 13. of 10. pin hole, 11. driving wheel 12.
The pull bar 20. of two fixed blocks, 14. horizontal leading screw, 15. screw block, 16. square slider, 17. longitudinal leadscrew, 18. guide rail 19. draws
The motor of 21. square through hole of force snesor 22.
Specific embodiment
The present embodiment is a kind of involute spline pair fretting wear testing stand.
Refering to Fig. 1~Fig. 4, the present embodiment involute spline pair fretting wear testing stand by frame 1, the first fixed block 2, from
Dynamic cover locking nut 3, driven set 4, wear-resistant sleeve 5, sleeve 6, involute inner spline 7, involute outer spline 8, actively cover 9, pin
It is hole 10, driving wheel 11, active cover locking nut 12, the second fixed block 13, horizontal leading screw 14, screw block 15, square slider 16, vertical
Constituted to leading screw 17, guide rail 18, pull bar 19, pulling force sensor 20, square through hole 21, motor 22；Frame is above-mentioned each part
Support is provided.First fixed block 2 and the second fixed block 13 are two structure identical parts, and the first fixed block 2 and second is fixed
Block 13 is axially machined with circular hole；First fixed block 2 and the second fixed block 13 are fixedly welded on the side above of frame 1 respectively, the
One fixed block 2 and the coaxial-symmetrical of the second fixed block 13 are installed.The one end of involute inner spline 7 is embedded in justifies positioned at the first fixed block 2
Bearing is provided between the one end of driven set 4 in hole, the circular hole of 4 and first fixed block of driven set 2, the end of driven set 4 is provided with screw thread,
Driven cover locking nut 3 coordinates with driven external threading to be installed.Actively cover 9 and be provided with pin with the place of being engaged of involute outer spline 8
Hole 10, one end of involute outer spline 8 is embedded in actively covering in 9 in the circular hole of the second fixed block 13, and is fixed by pin
Connection, active cover locking nut 12 coordinates installation with external screw thread on 9 is actively covered, and actively covers and is set between 9 and the circular hole of the second fixed block 13
There is bearing, actively cover 9 outer ends and driving wheel 11 is installed, involute inner spline 7 is connected with involute outer spline 8.
Guide rail 18 is fixed on the opposite side above of frame 1, and colored with outside the involute inner spline 7 and involute for linking together
The parallel installation of key 8.T-slot is machined with guide rail 18 vertically, hexagonal screw in multiple is axially arranged with the T-slot of guide rail 18,
Interior hexagonal screw in the present embodiment middle guide T-slot is four.The one end of guide rail 18 is machined with square through hole 21, screw block 15
It is fixedly mounted in square through hole 21；Guide rail 18 is used to fix the movement of screw block 15 and square slider 16, adjusts suppressive jamming
The longitudinal leadscrew 17 of size and loading position and horizontal leading screw 14.
The longitudinal screw vertical with sliding block axis is provided with the middle of square slider 16, the one end of longitudinal leadscrew 17 passes through square slider
Screw on 16 is connected with pull bar 19, and pull bar 19 is connected with wear-resistant sleeve 5, and wear-resistant sleeve 5 is nested in sleeve 6 and involute inner spline 7
Between, pulling force sensor 20 is arranged on pull bar 19；Sliding block 16 plays regulation lateral attitude and support longitudinal leadscrew 17.Draw
Tension is provided between bar 19 and frame 1.
Screw block 15 is arranged on the side of square slider 16 on guide rail 18, is axially provided with screw block 15 and horizontal leading screw 14
The screw that screw thread coordinates, one end of horizontal leading screw 14 is connected through the screw on screw block 15 with square slider；Screw block 15 is used for
Support horizontal leading screw 14.
During installation, axis and horizontal leading screw 14 and the axle of longitudinal leadscrew 17 of involute inner spline 7 and involute outer spline 8
In line is generally aligned in the same plane.
Motor 22 is fixedly mounted on and the end side of guide rail 18 is located in frame 1, is provided with the output shaft of motor 22
Wheel, and transmission is connected by belt with the driving wheel 11 for actively covering 9 outer ends.
During work, by assembling after involute inner spline to be measured 7 and involute outer spline 8 be arranged on the first fixed block 2 with
On second fixed block 13, driving wheel 11 is driven to drive involute outer spline 8 to rotate by motor 22, so as to drive in involute
Spline 7 is rotated relative to wear-resistant sleeve 5, and position of the wear-resistant sleeve 5 relative to involute inner spline 7 is adjusted by horizontal leading screw 14, is led to
The pulling force size that the regulation wear-resistant sleeve 5 of longitudinal leadscrew 17 applies to involute inner spline 7 is crossed, involute inner spline 7 is simulated and is gradually opened
Working condition of the line external splines 8 when by suppressive jamming, and by the Real Time Observation tension variations of pulling force sensor 20, so as to gradually
The internal spline 7 that bursts at the seams carries out accurate, reliable measure with the fretting wear rule of involute outer spline 8, enormously simplify involute
Spline pair fretting wear is tested.
Claims (2)
1. it is a kind of involute spline pair fretting wear testing stand, including frame, the first fixed block, driven cover locking nut, driven
Set, wear-resistant sleeve, sleeve, involute inner spline, involute outer spline, active set, driving wheel, active cover locking nut, second are consolidated
Determine block, horizontal leading screw, screw block, square slider, longitudinal leadscrew, guide rail, pull bar, pulling force sensor, motor, its feature exists
In:The frame provides support for above-mentioned each part；
First fixed block and the second fixed block are two structure identical parts, and fixed block axially has circular hole, two fixations
Block is respectively fixed on the machine frame the side of face one, and coaxial-symmetrical is installed；Involute inner spline one end is embedded in positioned at the first fixed block
Driven set one end in circular hole, is provided with bearing between driven set and the first fixed block circular hole, the end of driven set is provided with screw thread, from
Dynamic cover locking nut coordinates with driven external threading to be installed, and involute outer spline one end is embedded in the second fixed block circular hole
Actively it is connected in set and by pin, active cover locking nut coordinates installation with external screw thread is actively put, and actively set is consolidated with second
Bearing is provided between determining block circular hole, outer end is actively covered and driving wheel is installed, involute inner spline is connected with involute outer spline；Guide rail
It is fixed on opposite side above frame, and installation parallel with the involute inner spline and involute outer spline that link together；
T-slot is provided with the guide rail vertically, axially there is hexagonal screw in multiple in T-slot, guide rail one end is provided with square
Through hole, screw block is arranged in square through hole, and guide rail is used for the movement of square slider；
The longitudinal screw vertical with sliding block axis is provided with the middle of the square slider, longitudinal leadscrew one end passes through the screw on sliding block
It is connected with pull bar, pull bar is connected with wear-resistant sleeve, wear-resistant sleeve is nested between sleeve and involute inner spline, pulling force sensor is located at
On pull bar；
The screw block is located at the side of guide rail top shoe, and the screw coordinated with horizontal leading screw screw thread is axially provided with screw block,
Horizontal leading screw one end is connected through the screw on screw block with square slider；
Motor is fixed on and rail end side is located in frame, belt wheel is provided with motor output shaft, and cover outer with active
The driving wheel at end is connected by belt and is driven.
2. involute spline according to claim 1 pair fretting wear testing stand, it is characterised in that:Flower in the involute
The axis of key and the involute outer spline is generally aligned in the same plane interior with the axis of the horizontal leading screw and the longitudinal leadscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148016.0A CN106932197A (en) | 2017-03-13 | 2017-03-13 | A kind of involute spline pair fretting wear testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148016.0A CN106932197A (en) | 2017-03-13 | 2017-03-13 | A kind of involute spline pair fretting wear testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106932197A true CN106932197A (en) | 2017-07-07 |
Family
ID=59431913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710148016.0A Pending CN106932197A (en) | 2017-03-13 | 2017-03-13 | A kind of involute spline pair fretting wear testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932197A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871769A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | A kind of fixed involute spline pair fretting wear experimental rig |
| CN108871768A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | Involute spline pair fretting wear experimental rig under a kind of ultrasonic vibration |
| CN108871770A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | A kind of floating type involute spline pair fretting wear experimental rig |
| CN113390633A (en) * | 2021-06-08 | 2021-09-14 | 东风汽车零部件(集团)有限公司刃量具分公司 | Differential locking mechanism test method and rack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05164656A (en) * | 1991-12-13 | 1993-06-29 | Nkk Corp | Method for diagnosing wear of spline |
| CN202533336U (en) * | 2012-03-31 | 2012-11-14 | 中国石油大学(北京) | Overall buckling-simulation experimental device of double-layer tube |
| CN103869240A (en) * | 2012-12-14 | 2014-06-18 | 浙江大学 | Load separation performance test device of separation and stripping electric connector |
| CN106053063A (en) * | 2016-08-02 | 2016-10-26 | 盛瑞传动股份有限公司 | Differential planetary gear shaft fatigue wear test bench and test method thereof |
-
2017
- 2017-03-13 CN CN201710148016.0A patent/CN106932197A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05164656A (en) * | 1991-12-13 | 1993-06-29 | Nkk Corp | Method for diagnosing wear of spline |
| CN202533336U (en) * | 2012-03-31 | 2012-11-14 | 中国石油大学(北京) | Overall buckling-simulation experimental device of double-layer tube |
| CN103869240A (en) * | 2012-12-14 | 2014-06-18 | 浙江大学 | Load separation performance test device of separation and stripping electric connector |
| CN106053063A (en) * | 2016-08-02 | 2016-10-26 | 盛瑞传动股份有限公司 | Differential planetary gear shaft fatigue wear test bench and test method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871769A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | A kind of fixed involute spline pair fretting wear experimental rig |
| CN108871768A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | Involute spline pair fretting wear experimental rig under a kind of ultrasonic vibration |
| CN108871770A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | A kind of floating type involute spline pair fretting wear experimental rig |
| CN108871769B (en) * | 2018-07-19 | 2020-07-10 | 湘潭大学 | Fixed involute spline pair fretting wear test device |
| CN108871770B (en) * | 2018-07-19 | 2020-07-10 | 湘潭大学 | Floating involute spline pair fretting wear test device |
| CN108871768B (en) * | 2018-07-19 | 2020-08-04 | 湘潭大学 | Involute spline pair fretting wear test device under ultrasonic vibration |
| CN113390633A (en) * | 2021-06-08 | 2021-09-14 | 东风汽车零部件(集团)有限公司刃量具分公司 | Differential locking mechanism test method and rack |
| CN113390633B (en) * | 2021-06-08 | 2022-11-01 | 东风汽车零部件(集团)有限公司刃量具分公司 | Differential locking mechanism test method and rack |
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Application publication date: 20170707 |