CN206974704U - Subframe fatigue test moment of flexure cancellation element - Google Patents
Subframe fatigue test moment of flexure cancellation element Download PDFInfo
- Publication number
- CN206974704U CN206974704U CN201720969612.0U CN201720969612U CN206974704U CN 206974704 U CN206974704 U CN 206974704U CN 201720969612 U CN201720969612 U CN 201720969612U CN 206974704 U CN206974704 U CN 206974704U
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- CN
- China
- Prior art keywords
- flexure
- main shaft
- fatigue test
- cancellation element
- bearing
- 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.)
- Expired - Fee Related
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Abstract
The utility model aims to provide a kind of subframe fatigue test moment of flexure cancellation element, including main shaft, arrangement for adjusting height, universal joint, power transmission shaft；Described main shaft end is provided with piece-holder portion, and the described main shaft other end is connected through arrangement for adjusting height with universal joint, and described main shaft can move up and down in the presence of arrangement for adjusting height；Described power transmission shaft is connected with main shaft by universal joint.The defects of device overcomes prior art, have and eliminate moment of flexure, improve the characteristics of service life and measuring accuracy.
Description
Technical field
It the utility model is related to fatigue test device field, and in particular to a kind of subframe fatigue test moment of flexure eliminates dress
Put.
Background technology
In the test experiments such as subframe workpiece fatigue strength, workpiece, sensor, actuator（Power source）Between transmission
Axle needs strictly to be located along the same line, although existing adjusting means has reached degree of precision, to realize strict be total to
Line difficulty is big, cost is high, or even can not realize truly conllinear, and power transmission shaft strictly can not collinearly cause their transmission
Occur moment of flexure between axle, it is curved even if moment of flexure very little, but under conditions of the intensity and experiment number of fatigue strength test experiment
Harm is exaggerated caused by square, gently then damages power transmission shaft, heavy then damage sensor, while reduces fatigue strength experimental provision
Service life and measuring accuracy, the efficiency of test is reduced, considerably increase the cost of fatigue strength experiment.
The content of the invention
The utility model aims to provide a kind of subframe fatigue test moment of flexure cancellation element, and the device overcomes prior art
Defect, have and eliminate moment of flexure, improve the characteristics of service life and measuring accuracy.
The technical solution of the utility model is as follows：A kind of subframe fatigue test moment of flexure cancellation element, including main shaft, height
Adjusting means, universal joint, power transmission shaft；
Described main shaft is installed on arrangement for adjusting height, can vertically be done in the presence of arrangement for adjusting height
Elevating movement；
The both ends of described main shaft are divided into is provided with universal joint positioned at the both sides of arrangement for adjusting height, the front end of main shaft, main
The rear end of axle is provided with workpiece connecting portion；The described universal joint other end and transmission axis connection.
Preferably, described arrangement for adjusting height includes base, bearing, riser, lowering or hoisting gear, motor；
Described riser is provided with two pieces, is vertically arranged and on base, two pieces of risers are parallel to each other；Riser offers vertically
The guide groove in direction；Described lowering or hoisting gear is installed on base；Described bearing is arranged on the interior of square guide pad, bearing
The front and rear sides face of guide pad is axially perpendicular to, the inner ring of the front and rear sides face corresponding shaft bearing of guide pad is provided with spindle hole；It is described
The bottom of guide pad be installed on lowering or hoisting gear；The side of left and right two of described guide pad is provided with guide pillar, and described leads
Post is installed on guide groove；Described bearing does feed motion under the driving of lowering or hoisting gear, along guide groove direction；
Described main shaft is fixedly installed on the inner ring of bearing, and its both ends are respectively from the master in the front and rear sides face of guide pad
Passed in axis hole.
Preferably, the support frame of triangle is included, described support frame is connected with base and riser respectively, and support is perpendicular
Plate.
Preferably, described described lowering or hoisting gear is driven to subtract fork elevating device by motor.
Preferably, described main shaft is installed on the inner ring of bearing by axle sleeve interference fit.
It is further preferred that described axle sleeve is graphite copper sheathing.
Preferably, in addition to graduated scale, described graduated scale are located on the side of riser vertically.
Preferably, described universal joint is fixed cage universal joint.
The course of work of the present utility model is as follows：Install subframe fatigue test moment of flexure cancellation element, piece-holder portion with
Workpiece is connected, and power transmission shaft is connected with actuator, and regulation arrangement for adjusting height causes main shaft to be horizontal, and regulation actuator makes
Obtain power transmission shaft and be in same straight line as far as possible with main shaft；Fatigue test starts, and actuator drives power transmission shaft motion, universal joint, master
Axle linkage acts on workpiece；Universal joint eliminates the moment of flexure of power transmission shaft and main shaft, it is ensured that moves every time is steady, eliminates side force.
The utility model is reduced using the combination of high-precision arrangement for adjusting height and universal joint by arrangement for adjusting height
The height tolerance of main shaft and power transmission shaft, moment of flexure caused by eliminating the faint deviation of main shaft and power transmission shaft by universal joint afterwards, disappears
Except the operating side force of fatigue test, the service life of main shaft, power transmission shaft and sensor is improved, reduces testing cost；And
And because the elimination of moment of flexure, test result also can be more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of subframe fatigue test moment of flexure cancellation element provided by the utility model.
Each several part title and sequence number are as follows in figure：
1 is main shaft, and 2 be universal joint, and 3 be power transmission shaft, and 4 be piece-holder portion, and 5 be base, and 6 be bearing, and 7 be riser, and 8 are
Lowering or hoisting gear, 9 be motor, and 10 be guide groove, and 11 be guide pad, and 12 be guide pillar, and 13 be support frame, and 14 be graduated scale.
Embodiment
The utility model is illustrated with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, the subframe fatigue test moment of flexure cancellation element that the present embodiment provides, including main shaft 1, height are adjusted
Device, universal joint 2, power transmission shaft 3；
Described main shaft 1 is installed on arrangement for adjusting height, can be in the presence of arrangement for adjusting height vertically
Move up and down；
The both ends of described main shaft 1 are divided into is provided with universal joint 2 positioned at the both sides of arrangement for adjusting height, the front end of main shaft 1,
The rear end of main shaft 1 is provided with workpiece connecting portion 4；
Described arrangement for adjusting height includes base 5, bearing 6, riser 7, lowering or hoisting gear 8, motor 9；
Described riser 7 is provided with two pieces, is vertically arranged and on base 5, two pieces of risers 7 are parallel to each other；Riser 7 offers
The guide groove 10 of vertical direction；Described lowering or hoisting gear 8 is installed on base 5；Described bearing 6 is arranged on square guide pad 11
Interior, the front and rear sides face for being axially perpendicular to guide pad 11 of bearing 6, the front and rear sides face corresponding shaft bearing 6 of guide pad 11 it is interior
Circle is provided with spindle hole；The bottom of described guide pad 11 is installed on lowering or hoisting gear 8；The side of left and right two of described guide pad 11
Face is provided with guide pillar 12, and described guide pillar 12 is installed on guide groove 10；Described bearing 6 is under the driving of lowering or hoisting gear 8, edge
The direction of guide groove 10 and do feed motion；
Described main shaft 1 is fixedly installed on the inner ring of bearing 6, and its both ends are respectively from the front and rear sides face of guide pad 11
Spindle hole in pass；
Also include the support frame 13 of triangle, described support frame 13 is connected with base 5 and riser 7 respectively, supports riser
7；Described described lowering or hoisting gear is driven to subtract fork elevating device by motor 9；
Described main shaft 1 is installed on the inner ring of bearing 6 by axle sleeve interference fit；Described axle sleeve is graphite copper sheathing；
Also include graduated scale 14, described graduated scale 14 is vertically on the side of riser 7；Described universal joint 2 is solid
Fixed pattern cage universal joint.
The course of work of the present embodiment is as follows：
Subframe fatigue test moment of flexure cancellation element is installed, piece-holder portion 4 is connected with workpiece, power transmission shaft 3 and actuator
Connection, regulation arrangement for adjusting height cause main shaft 1 to be horizontal, and regulation actuator causes power transmission shaft 3 with main shaft 1 as far as possible
In same straight line；Fatigue test starts, and actuator drives power transmission shaft 3 to move, and universal joint 2, the linkage of main shaft 1 act on workpiece；
Universal joint 2 eliminates the moment of flexure of power transmission shaft and main shaft, it is ensured that moves every time is steady, eliminates side force.
Claims (8)
1. a kind of subframe fatigue test moment of flexure cancellation element, including main shaft（1）, arrangement for adjusting height, universal joint（2）, transmission
Axle（3）；It is characterized in that：
Described main shaft（1）It is installed on arrangement for adjusting height, can be vertically done in the presence of arrangement for adjusting height
Elevating movement；
Described main shaft（1）Both ends be divided into positioned at the both sides of arrangement for adjusting height, main shaft（1）Front end be provided with universal joint
（2）, main shaft（1）Rear end be provided with workpiece connecting portion（4）.
2. subframe fatigue test moment of flexure cancellation element as claimed in claim 1, it is characterised in that：
Described arrangement for adjusting height includes base（5）, bearing（6）, riser（7）, lowering or hoisting gear（8）, motor（9）；
Described riser（7）Provided with two pieces, it is vertically arranged and base（5）On, two pieces of risers（7）It is parallel to each other；Riser（7）Open
Guide groove provided with vertical direction（10）；Described lowering or hoisting gear（8）It is installed on base（5）On；Described bearing（6）Installed in side
The guide pad of shape（11）Interior, bearing（6）Be axially perpendicular to guide pad（11）Front and rear sides face, guide pad（11）It is front and rear
Two sides corresponding shaft bearing（6）Inner ring be provided with spindle hole；Described guide pad（11）Bottom be installed on lowering or hoisting gear（8）On；
Described guide pad（11）The side of left and right two be provided with guide pillar（12）, described guide pillar（12）It is installed on guide groove（10）On；
Described bearing（6）In lowering or hoisting gear（8）Driving under, along guide groove（10）Do feed motion in direction；
Described main shaft（1）It is fixedly installed in bearing（6）Inner ring on, its both ends are respectively from guide pad（11）Front and rear sides
Passed in the spindle hole in face.
3. subframe fatigue test moment of flexure cancellation element as claimed in claim 2, it is characterised in that：Also include the branch of triangle
Support（13）, described support frame（13）Respectively with base（5）And riser（7）Connection, support riser（7）.
4. subframe fatigue test moment of flexure cancellation element as claimed in claim 2, it is characterised in that：Described described lifting
Device is subtracts fork elevating device, by motor（9）Driving.
5. subframe fatigue test moment of flexure cancellation element as claimed in claim 2, it is characterised in that：
Described main shaft（1）Bearing is installed on by axle sleeve interference fit（6）Inner ring on.
6. subframe fatigue test moment of flexure cancellation element as claimed in claim 5, it is characterised in that：
Described axle sleeve is graphite copper sheathing.
7. subframe fatigue test moment of flexure cancellation element as claimed in claim 2, it is characterised in that：
Also include graduated scale（14）, described graduated scale（14）It is located at riser vertically（7）Side on.
8. subframe fatigue test moment of flexure cancellation element as claimed in claim 1, it is characterised in that：
Described universal joint（2）For fixed cage universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969612.0U CN206974704U (en) | 2017-08-04 | 2017-08-04 | Subframe fatigue test moment of flexure cancellation element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969612.0U CN206974704U (en) | 2017-08-04 | 2017-08-04 | Subframe fatigue test moment of flexure cancellation element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974704U true CN206974704U (en) | 2018-02-06 |
Family
ID=61393801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969612.0U Expired - Fee Related CN206974704U (en) | 2017-08-04 | 2017-08-04 | Subframe fatigue test moment of flexure cancellation element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
-
2017
- 2017-08-04 CN CN201720969612.0U patent/CN206974704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |