CN105547817B - Anti-rotation device for collet under electro-hydraulic servo testing machine - Google Patents
Anti-rotation device for collet under electro-hydraulic servo testing machine Download PDFInfo
- Publication number
- CN105547817B CN105547817B CN201510870592.7A CN201510870592A CN105547817B CN 105547817 B CN105547817 B CN 105547817B CN 201510870592 A CN201510870592 A CN 201510870592A CN 105547817 B CN105547817 B CN 105547817B
- Authority
- CN
- China
- Prior art keywords
- bearing
- baffle
- bent plate
- main support
- testing machine
- 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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The present invention relates to a kind of anti-rotation devices for collet under electro-hydraulic servo testing machine, are assembled by the vertical bent plate of main support, bearing locating shaft, bearing, bearing baffle and fixed baffle etc..The present invention is the anti-rotation device for collet under electro-hydraulic servo testing machine of a kind of design science, simple, at low cost, the easy to process production of structure, by installing this anti-rotation device on collet under electro-hydraulic servo testing machine, the precision of the additional torque of lower collet, the application range of expanding test machine, guarantee test can be effectively eliminated, this anti-rotation device has extensive application value, and the accuracy of the fatigue test of small rigidity thin plate and other section forms can be improved.
Description
Technical field
It is especially a kind of for collet under electro-hydraulic servo testing machine the present invention relates to electro-hydraulic servo testing machine technical field
Anti-rotation device.
Background technique
Electro-hydraulic servo testing machine is that the stretching for test material, compression, low week and high cycle fatigue, component or even complete machine are dynamic
The experimental facilities of state fatigue life is widely used in aerospace, vehicle, ship, building, machinery, institution of higher learning and research institute etc.
Field.
Hydraulic actuator is the test execution unit of electro-hydraulic servo testing machine, applies to subjects and controls, and be can control negative
Speed, direction, displacement and the power of load.Hydraulic actuator is connect with collet under electro-hydraulic servo testing machine, due to hydraulic actuator sheet
Body does not have the function of limiting circumferentially rotatable freedom degree.It is again that hydraulic chuck leans on hydraulic oil pipe fuel feeding, hydraulic oil pipe is elasticity
Body, rigidity change with the variation of pressure, during static and dynamic test, be all it is unstable, with test
It carries out, it has the tendency that collet is driven to rotate.Thus there is a practical problem, when carrying out plate tensile sample fatigue test,
Sample holder adjusts the angle of active chuck between fixed chuck and active chuck usually on the basis of the orientation of fixed chuck
Degree, to realize initially without torque clamp position.Under meticulous adjustment, the possible very little of this torque is sufficiently large for rigidity
The influence of sample is negligible, but for the very low plate tensile sample of those torsional rigidities, influence is it will be evident that outstanding
It is the thin plate sample especially small for rigidity, is influenced quite greatly, and the fracture surface of sample pattern after test has apparent torsion and makees
Use feature.This problem is equally existed for the sample of other cross sectional shapes.
Summary of the invention
In place of making up the deficiencies in the prior art, the additional of lower collet can be effectively eliminated by providing one kind
Torque, the anti-rotation device for collet under electro-hydraulic servo testing machine of guarantee test precision.
The purpose of the present invention is what is realized by following technological means:
A kind of anti-rotation device for collet under electro-hydraulic servo testing machine, it is characterised in that: including the vertical bent plate of main support,
Bearing locating shaft, bearing, bearing baffle and fixed baffle, bearing locating shaft are two be arranged above and below, and the upper and lower bearing is fixed
The axis of position axis is mounted on lower collet in the vertical direction fixed spacing that is staggered, and an axis is set on each bearing locating shaft
It holds, a vertical long hole is produced on the vertical bent plate of main support, two bearings are arranged in the vertical long hole；
A groove slideway is produced in the left and right sides at the vertical bent plate back side of main support respectively, two groove slideways with it is perpendicular
Straight long hole is connected, and be slidably installed a bearing baffle in each groove slideway, and the bearing baffle is passing through bearing baffle just
Face pinching screw is mounted in the groove slideway of the vertical bent plate of main support, and the inside of left and right bearing baffle presses against ipsilateral respectively
Bearing on, a fixed baffle is respectively set on the outside of left and right bearing baffle, which passes through fixation respectively
Baffle side pinching screw is fixed in the left and right side walls of the vertical bent plate of main support, is respectively mounted one on the left and right fixed baffle
Adjusting screw, the front end of the adjusting screw are pressed against respectively on the lateral wall of left and right bearing baffle.
Moreover, the vertical bent plate of the main support is installed on the workbench by bent plate fixing screws.
Moreover, a lateral long hole, each transverse direction are produced in the positive left and right sides of the vertical bent plate of the main support respectively
A bearing baffle front pinching screw is inserted in long hole, the left and right bearing baffle front pinching screw respectively with left and right axis
Hold clamping screw hole connection locking made on baffle.
Moreover, the left and right side walls of the vertical bent plate of the main support produce side screw hole, fixed baffle clamping sides spiral shell
Nail is mounted in the side screw hole.
The advantages and positive effects of the present invention are:
1, the present apparatus is mainly made of the vertical bent plate of main support, upper and lower bearing and left and right bearing baffle, after being installed,
The bearing being staggered up and down can only pump with lower collet along left and right bearing baffle, prevent when lower collet has rotation trend
Rotary device can prevent the rotation of lower collet to greatest extent, therefore not only ensure that the precision of test, but also expand test
The application range of machine is especially suitable for the very low plate tensile sample of torsional rigidity and uses.
2, the present apparatus assembles easy to use, safe ready, and the present apparatus can be in the condition of non-destructive test machine original structure
It is lower to be connect with testing machine, complete various test measurements.
3, the present invention be a kind of design science, simple, at low cost, the easy to process production of structure for electro-hydraulic servo testing
The anti-rotation device of collet under machine can be effectively eliminated down by installing this anti-rotation device on collet under electro-hydraulic servo testing machine
There is extensive popularization to answer for the additional torque of collet, the application range of expanding test machine, the precision of guarantee test, this anti-rotation device
With value, the accuracy of the fatigue test of small rigidity thin plate and other section forms can be improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is diagrammatic cross-section of the invention.
Specific embodiment
Describe the embodiment of the present invention in detail with reference to the accompanying drawing；It should be noted that the present embodiment be it is narrative, no
It is restrictive, this does not limit the scope of protection of the present invention.
A kind of anti-rotation device for collet under electro-hydraulic servo testing machine, including the vertical bent plate 1 of main support, bearing locating shaft
6, bearing 7, bearing baffle 8 and fixed baffle 3, the vertical bent plate of main support are mounted on workbench 13 by bent plate fixing screws 2.
Bearing locating shaft is two be arranged above and below, and the axis of the upper and lower bearing locating shaft is staggered fixed spacing installation in vertical direction
On the lower collet 12 of electro-hydraulic servo testing machine, it is set with a bearing on each bearing locating shaft, on the vertical bent plate of main support
A vertical long hole 5 is produced, two bearings are arranged in the vertical long hole.
A groove slideway 14 is produced in the left and right sides at the vertical bent plate back side of main support respectively, two groove slideways with
Vertical long hole is connected, and be slidably installed a bearing baffle in each groove slideway, and the bearing baffle passes through bearing baffle
Front pinching screw 4 is mounted in the groove slideway of the vertical bent plate of main support.That is: in the positive left and right two of the vertical bent plate of main support
A lateral long hole is produced in side respectively, inserts a bearing baffle front pinching screw, the left and right axis in each transverse direction long hole
It holds baffle front pinching screw and connect locking with clamping screw hole 9 made on left and right bearing baffle respectively.
The inside of left and right bearing baffle is pressed against respectively on ipsilateral bearing, is respectively set on the outside of left and right bearing baffle
One fixed baffle, which passes through fixed baffle clamping sides screw 11 respectively, and to be fixed on main support vertically curved
In the left and right side walls of plate, it may be assumed that the left and right side walls of the vertical bent plate of main support produce side screw hole, fixed baffle clamping sides spiral shell
Nail is mounted in the side screw hole.An adjusting screw 10, the front end point of the adjusting screw are respectively mounted on the left and right fixed baffle
It does not press against on the lateral wall of left and right bearing baffle.
Assembly method and working principle of the invention are as follows:
Referring to Fig.1, vertical bent plate is fixed on the table with bent plate fixing screws first, secondly positions two bearings
The axis of the axis fixed spacing that is staggered in the vertical direction is connected and fixed by screw thread and lower collet, then assembles one with bearing, will
Bearing baffle is fitted into groove slideway, and so that left and right bearing baffle is adjacent to two bearings in left and right respectively, then screw bearing baffle just
Face pinching screw connect locking with the clamping screw hole on bearing baffle, finally loads onto fixation in bearing baffle and vertical bent plate side
Baffle, and the baffle side pinching screw that is tightened connect locking with vertical bent plate side screw hole, while adjusting adjusting screw, makes
It holds out against bearing baffle side face, can be used after whole device assembly.
After being installed, the bearing being staggered up and down can only pump with lower collet along left and right bearing baffle,
Can under operative constraint collet rotation.
Claims (4)
1. a kind of anti-rotation device for collet under electro-hydraulic servo testing machine, it is characterised in that: including the vertical bent plate of main support, axis
Locating shaft, bearing, bearing baffle and fixed baffle are held, bearing locating shaft is two be arranged above and below, the upper and lower bearing positioning
The axis of axis is mounted on lower collet in the vertical direction fixed spacing that is staggered, and a bearing is set on each bearing locating shaft,
A vertical long hole is produced on the vertical bent plate of main support, two bearings are arranged in the vertical long hole；
A groove slideway is produced in the left and right sides at the vertical bent plate back side of main support respectively, which grows with vertical
Hole is connected, and be slidably installed a bearing baffle in each groove slideway, and the bearing baffle is pressed from both sides by bearing baffle front
Tight screw is mounted in the groove slideway of the vertical bent plate of main support, and the inside of left and right bearing baffle presses against ipsilateral axis respectively
It holds, a fixed baffle is respectively set on the outside of left and right bearing baffle, which passes through fixed baffle respectively
Clamping sides screw is fixed in the left and right side walls of the vertical bent plate of main support, and an adjustment is respectively mounted on the left and right fixed baffle
Screw, the front end of the adjusting screw are pressed against respectively on the lateral wall of left and right bearing baffle.
2. a kind of anti-rotation device for collet under electro-hydraulic servo testing machine according to claim 1, it is characterised in that: institute
The vertical bent plate of the main support stated is installed on the workbench by bent plate fixing screws.
3. a kind of anti-rotation device for collet under electro-hydraulic servo testing machine according to claim 1, it is characterised in that: institute
A lateral long hole is produced in the positive left and right sides of the vertical bent plate of the main support stated respectively, inserts one in each transverse direction long hole
Bearing baffle front pinching screw, the left and right bearing baffle front pinching screw respectively with folder made on left and right bearing baffle
Tight screw hole connection locking.
4. a kind of anti-rotation device for collet under electro-hydraulic servo testing machine according to claim 1, it is characterised in that: institute
The left and right side walls of the vertical bent plate of the main support stated produce side screw hole, and fixed baffle clamping sides screw is mounted on the side
In screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870592.7A CN105547817B (en) | 2015-12-01 | 2015-12-01 | Anti-rotation device for collet under electro-hydraulic servo testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870592.7A CN105547817B (en) | 2015-12-01 | 2015-12-01 | Anti-rotation device for collet under electro-hydraulic servo testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547817A CN105547817A (en) | 2016-05-04 |
| CN105547817B true CN105547817B (en) | 2018-12-14 |
Family
ID=55827159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870592.7A Expired - Fee Related CN105547817B (en) | 2015-12-01 | 2015-12-01 | Anti-rotation device for collet under electro-hydraulic servo testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547817B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514355U (en) * | 2009-09-25 | 2010-06-23 | 首钢总公司 | Anti-rotation device used in steel stranded wire fatigue test |
| CN203109283U (en) * | 2013-03-06 | 2013-08-07 | 南京紫薇精密机械有限公司 | Anti-skidding collet |
| CN103954510A (en) * | 2014-03-27 | 2014-07-30 | 西北工业大学 | Apparatus and testing method for testing sample creep property in ultra high temperature environment |
| CN104007016A (en) * | 2014-05-13 | 2014-08-27 | 深圳市瑞格尔仪器有限公司 | Electro-hydraulic servo horizontal tensile testing machine |
| CN104142266A (en) * | 2014-07-31 | 2014-11-12 | 浙江大学 | Clamp for compact tension specimen of material testing machine under high pressure hydrogen environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUD20070026A1 (en) * | 2007-02-08 | 2008-08-09 | Cps Color Equipment Spa | ANTI-ROTATION DEVICE FOR A TAPPING MACHINE OF A MIXING MACHINE OF FLUID PRODUCTS, CONTAINED IN A CLOSED CONTAINER |
-
2015
- 2015-12-01 CN CN201510870592.7A patent/CN105547817B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514355U (en) * | 2009-09-25 | 2010-06-23 | 首钢总公司 | Anti-rotation device used in steel stranded wire fatigue test |
| CN203109283U (en) * | 2013-03-06 | 2013-08-07 | 南京紫薇精密机械有限公司 | Anti-skidding collet |
| CN103954510A (en) * | 2014-03-27 | 2014-07-30 | 西北工业大学 | Apparatus and testing method for testing sample creep property in ultra high temperature environment |
| CN104007016A (en) * | 2014-05-13 | 2014-08-27 | 深圳市瑞格尔仪器有限公司 | Electro-hydraulic servo horizontal tensile testing machine |
| CN104142266A (en) * | 2014-07-31 | 2014-11-12 | 浙江大学 | Clamp for compact tension specimen of material testing machine under high pressure hydrogen environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105547817A (en) | 2016-05-04 |
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Granted publication date: 20181214 Termination date: 20201201 |