CN109668779A - A kind of tension test method surveys the grip device of restraint zone plane plate specimen mechanical property - Google Patents
A kind of tension test method surveys the grip device of restraint zone plane plate specimen mechanical property Download PDFInfo
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- CN109668779A CN109668779A CN201910118539.XA CN201910118539A CN109668779A CN 109668779 A CN109668779 A CN 109668779A CN 201910118539 A CN201910118539 A CN 201910118539A CN 109668779 A CN109668779 A CN 109668779A
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- restraint zone
- plane plate
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- specimen
- zone plane
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- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
-
- 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
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
-
- 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
- G01N2203/0482—Chucks, fixtures, jaws, holders or anvils comprising sensing means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses the grip devices that a kind of test method(s) surveys cylinder frame restraint zone plane plate specimen mechanical property, guarantee that restraint zone plane plate specimen accurate placement positioning and can provide pretightning force to test specimen during the experiment, and measure pretightning force, test specimen can transverse shifting, and the cross force that restraint zone plane plate specimen is subject to can increase with the transverse shifting of sample.Including U-shaped framework A, U-shaped framework B, hollow outer framework A, hollow outer framework B, 10 hex bolts, pretension bolt, measurement cylinder, baffle, guide post group A, guide post group B, spring disk group A, spring disk group B, locating piece A, locating piece B, positioning plate A, positioning plate B, restraint zone plane plate specimen, cylinder frame sample.The present invention is directed to the tension test of restraint zone plane plate specimen, it is ensured that sample accurate positioning during the test, sample can transverse shifting, and the cross force that sample is subject to can increase with the transverse shifting of sample, and the apparatus structure is simple, easy to operate.
Description
Technical field
The present invention relates to the grip devices that tension test method surveys restraint zone plane plate specimen mechanical property, are guaranteed by the device
During restraint zone plane plate specimen mechanical property is measured and tested, fixture is capable of fixing sample position, provides required when test
Pretightning force, and restraint zone plane plate specimen can transverse shifting during the test, and with the increase of sample transverse shifting by
The effects of cross force arrived increases.Belong to mechanical manufacturing field.
Background technique
In aerospace and machinery field, restraint zone connects for cylinder most important, the fastening for large cylinder
Band is difficult to measure whole stress and loaded-up condition.Therefore it is equivalent to small restraint zone plate to large-scale restraint zone, passes through measurement
The stress of restraint zone plane plate specimen, and then the cylinder being connected by restraint zone is analyzed by force state.In test frame and fastening
During band is detached from, restraint zone plane plate specimen can transverse shifting, and the cross force that sample is subject to can be with the transverse shifting of sample
And increase, fixture can provide sample accurate pretightning force, can accurately just measure whole stress and loaded-up condition, sample
Positioning an important factor for being also experiment, therefore more stringent requirements are proposed for this clamping device to test, so design is a set of
It is extremely urgent for the fixture for measuring the mechanical property that restraint zone plane plate specimen is separated with cylinder frame sample.
Summary of the invention
In order to improve the above problem, the purpose of the present invention is to provide one kind for test measurement restraint zone plane plate specimen with
The fixture of the mechanical property of cylinder frame sample separation, it is ensured that fixture provides accurate pre-tighten to sample during the experiment
Power, test specimen can transverse shifting, and the cross force that is subject to of restraint zone plane plate specimen can increase with the transverse shifting of sample and
The effects of fixture can accurately fix position to sample.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of tension test method surveys the grip device of restraint zone plane plate specimen mechanical property, which includes U-shaped framework A
(101a), U-shaped framework B (101b), hollow outer framework A (102a), hollow outer framework B (102b), hex bolts (103),
Pretension bolt (104), measurement cylinder (105), baffle (106), guide post group A (107a), guide post group B (107b), spring disk group A
(108a), spring disk group B (108b), locating piece A (109a), locating piece B (109b), positioning plate A (110a), positioning plate B
(110b), restraint zone plane plate specimen A (111a), restraint zone plane plate specimen B (111b), cylinder frame Sample A (112a) and cylinder
Frame sample B (112b).
There are two U-shaped framework is total, respectively U-shaped framework A (101a) and U-shaped framework B, U-shaped framework A (101a) and U-shaped frame
The central core frame of connection composition sandwich fixed frame between frame B (101b)；
There are two the outer framework of hollow is total, respectively hollow outer framework A (102a), hollow outer framework B
The outer framework of (102b), two hollows are connect by ten M6 hex bolts (103) with U-shaped framework；Hollow outer framework A
(102a), hollow outer framework B (102b) are placed on the center two sides of the device, and U-shaped mouth is with respect to thirty years of age, two hollow outer layers
The Main subrack side of frame be lower than U-shaped framework height, by ten M6 bolt hexagonals (103) two hollow outer frameworks with
Two U-shaped frameworks connect one sandwich fixed frame with inside groove of composition.The pretension bolt (104) passes through U-shaped
The stud head polishing of threaded hole at the outer side center of frame A (101a), pretension bolt (104) is conical with U-shaped framework A
The circular cone concave surface for pretightning force measurement cylinder (105) placed on the inside of (101a) combines.
Measurement cylinder (105) is connected with baffle (106), and two M10 circular holes are symmetrically opened in the center two sides of baffle (106),
Two guide post A (107a) pass through two M10 circular hole installations or mobile adjustment respectively.One end in two guide post A (107a)
13 pairs of spring disk A (108a) are placed respectively and are used to provide pretightning force, and the other end passes through the spiral shell of screw thread and locating piece A (109a)
Pit connection.
The guide post B (107b) passes through the circular hole for two M10 that U-shaped framework B (101b) outer side center is symmetrically located, guide post B
The other end of (107b) is connect by screw thread with locating piece B (109b), places 13 pairs of spring disks on guide post B (107b) respectively
B (108b) provides pretightning force.
The restraint zone plane plate specimen (111) sticks into the slot of locating piece A (109a), locating piece B (109b) side 1mm respectively
In fix and position, the transverse and vertical direction of fixed sample, sample front and rear sides each placement positioning plate A (110a), positioning
Plate B (110b), positioning plate are used to limit the position of the longitudinal direction of test specimen.
Cylinder frame Sample A (112a) is placed at the center restraint zone plane plate specimen A (111a).Cylinder frame sample B
(112b) is placed at the center restraint zone plane plate specimen B (111b).
The device can guarantee that pretightning force is accurately placed and can be provided test specimen to restraint zone plane plate specimen during test, and
Measure pretightning force, test specimen can transverse shifting, and the cross force that restraint zone sample is subject to can increase with the transverse shifting of sample.
The beneficial effects of the present invention are:
Grip device of the present invention, during the tensile test, this fixture can make restraint zone plane plate specimen accurate
Fix and position, fixture can provide pretightning force to sample, and measure pretightning force, test specimen can transverse shifting, and restraint zone sample
The cross force being subject to can increase with the transverse shifting of sample, and the apparatus structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the main view of grip device structure of the invention.
Fig. 2 is the side view of grip device structure of the invention.
Fig. 3 is that pretightning force of the invention applies and assay device structures schematic front view.
Fig. 4 is that pretightning force of the invention applies and assay device structures diagrammatic side view.
In figure: 101a-U type frame A, 101b-U type frame B, 102a- hollow outer framework A, 102b- hollow outer framework
B, 103- hex bolts, 104- pretension bolt, 105- measurement cylinder, 106- baffle, 107a- guide post group A, 107b- guide post B,
108a- spring disk group A, 108b- spring disk group B, 109a- locating piece A, 109b- locating piece B, 110a- positioning plate A,
110b- positioning plate B, 111a- restraint zone plane plate specimen A, 111b- restraint zone plane plate specimen B, 112a- cylinder frame Sample A,
112b- cylinder frame sample B.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Outer layer hollow frame and two U-shaped frameworks are bolted installation, guide post A (107a) and locating piece by ten M6
It is threadedly coupled, disc spring group respectively through on guide post, a side guide pillar B (107b) passes through the circular hole of U-shaped framework, and other side is led
Column A (107) passes through two circular holes of baffle (106), and measurement cylinder (105) is connected with baffle (106) centre bore, pretension bolt
(104) conical head passes through U-shaped framework A (101a) in conjunction with the circular cone concave surface for measuring cylinder (105), passes through locating piece A
(109a) and positioning plate place restraint zone plane plate specimen, sample are sticked into the card slot of locating piece (109), touch on front side of sample
Positioning plate A (110a), installation frame restraint zone plane plate specimen cover rear side baffle B (110b), put outer framework B (102b),
It is connected by ten M6 hex bolts (103).It is as follows to apply pretightning force process, deformeter connects pretightning force determination sensor, twists
Pretension bolt (104), bolt nose cone is mobile in conjunction with the circular cone concave surface of pretightning force measurement cylinder (105), and two guide posts pass through
The mobile compression disc spring group of baffle (106), disc spring group compression apply a force to locating piece, and locating piece acts on restraint zone plane plate specimen
Pretightning force is provided, restraint zone sample both sides are in symmetrical structure, and two sides apply pretightning force simultaneously, and pretightning force size passes through on deformeter
Cylinder strain controlling is measured, predetermined value is reached, pretension bolt (105) are tightened in stopping.
During the test, this grip device can enable the accurate placement positioning of restraint zone plane plate specimen and can be to test specimen
Pretightning force is provided, and measures pretightning force, test specimen can transverse shifting, and the cross force that restraint zone sample is subject to can be with the cross of sample
Increase to movement.
Although the embodiment of the present invention discloses as above, present invention is not limited to this.Anyone skilled in the art, not
It is detached from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should be with right
It is required that subject to limited range.
Claims (3)
1. the grip device that a kind of tension test method surveys restraint zone plane plate specimen mechanical property, it is characterised in that: the device includes U
Type frame A (101a), U-shaped framework B (101b), hollow outer framework A (102a), hollow outer framework B (102b), hex bolts
(103), pretension bolt (104), measurement cylinder (105), baffle (106), guide post group A (107a), guide post group B (107b), spring
Disk group A (108a), spring disk group B (108b), locating piece A (109a), locating piece B (109b), positioning plate A (110a), determine
Position plate B (110b), restraint zone plane plate specimen A (111a), restraint zone plane plate specimen B (111b), cylinder frame Sample A (112a) and
Cylinder frame sample B (112b)；
There are two U-shaped framework is total, respectively U-shaped framework A (101a) and U-shaped framework B, U-shaped framework A (101a) and U-shaped framework B
The central core frame of connection composition sandwich fixed frame between (101b)；
There are two the outer framework of hollow is total, respectively hollow outer framework A (102a), hollow outer framework B (102b), two
The outer framework of a hollow is connect by ten M6 hex bolts (103) with U-shaped framework；Hollow outer framework A (102a), mouth
Font outer framework B (102b) is placed on the center two sides of the device, and U-shaped mouth is with respect to thirty years of age, in two hollow outer frameworks
Heart frame side is lower than the height of U-shaped framework, by ten M6 bolt hexagonals (103) that two hollow outer frameworks and two are U-shaped
Frame connects one sandwich fixed frame with inside groove of composition；The pretension bolt (104) passes through U-shaped framework A
Threaded hole at the outer side center of (101a), the stud head polishing of pretension bolt (104) are conical interior with U-shaped framework A (101a)
The circular cone concave surface for pretightning force measurement cylinder (105) that side is placed combines；
Measurement cylinder (105) and baffle (106) are connected, and two M10 circular holes are symmetrically opened in the center two sides of baffle (106), and two
Guide post A (107a) passes through two M10 circular hole installations or mobile adjustment respectively；One end difference in two guide post A (107a)
It places 13 pairs of spring disk A (108a) and is used to provide pretightning force, the other end passes through the threaded hole of screw thread and locating piece A (109a)
Connection；
The guide post B (107b) passes through the circular hole for two M10 that U-shaped framework B (101b) outer side center is symmetrically located, guide post B
The other end of (107b) is connect by screw thread with locating piece B (109b), places 13 pairs of spring disks on guide post B (107b) respectively
B (108b) provides pretightning force；
Restraint zone plane plate specimen A (111a) is sticked into the slot of locating piece A (109a) side 1mm and is fixed and positioned, and restraint zone is flat
Plate sample B (111b) is sticked into the slot of locating piece B (109b) side 1mm and is fixed and positioned, fixed restraint zone plane plate specimen
Transverse and vertical direction, each placement positioning plate A (110a) in the front and rear sides of restraint zone plane plate specimen, positioning plate B (110b), positioning
Plate A (110a) and positioning plate B (110b) is respectively intended to the position of the longitudinal direction of limitation restraint zone flat test piece；
Cylinder frame Sample A (112a) is placed at the center restraint zone plane plate specimen A (111a)；Cylinder frame sample B (112b)
It is placed at the center restraint zone plane plate specimen B (111b).
2. a kind of tension test method according to claim 1 surveys the grip device of restraint zone plane plate specimen mechanical property,
Be characterized in that: the device can guarantee that restraint zone plane plate specimen is accurately placed and can provide pretightning force to test specimen during test,
And measure pretightning force, test specimen can transverse shifting, and the cross force that restraint zone sample is subject to can increase with the transverse shifting of sample
Greatly.
3. a kind of tension test method according to claim 1 surveys the grip device of restraint zone plane plate specimen mechanical property,
Be characterized in that: outer layer hollow frame and two U-shaped frameworks are bolted installation, guide post A (107a) and positioning by ten M6
Block is threadedly coupled, and disc spring group respectively through on guide post, a side guide pillar B (107b) passes through the circular hole of U-shaped framework, other side
Guide post A (107) passes through two circular holes of baffle (106), and measurement cylinder (105) is connected with baffle (106) centre bore, pre-tightens spiral shell
Bolt (104) conical head passes through U-shaped framework A (101a) in conjunction with the circular cone concave surface for measuring cylinder (105), passes through locating piece A
(109a) and positioning plate place restraint zone plane plate specimen, sample are sticked into the card slot of locating piece (109), touch on front side of sample
Positioning plate A (110a), installation frame restraint zone plane plate specimen cover rear side baffle B (110b), put outer framework B (102b),
It is connected by ten M6 hex bolts (103)；It is as follows to apply pretightning force process, deformeter connects pretightning force determination sensor, twists
Pretension bolt (104), bolt nose cone is mobile in conjunction with the circular cone concave surface of pretightning force measurement cylinder (105), and two guide posts pass through
The mobile compression disc spring group of baffle (106), disc spring group compression apply a force to locating piece, and locating piece acts on restraint zone plane plate specimen
Pretightning force is provided, restraint zone sample both sides are in symmetrical structure, and two sides apply pretightning force simultaneously, and pretightning force size passes through on deformeter
Cylinder strain controlling is measured, predetermined value is reached, pretension bolt (105) are tightened in stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118539.XA CN109668779B (en) | 2019-02-16 | 2019-02-16 | Clamp device for measuring mechanical property of fastening belt flat plate sample by tensile test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118539.XA CN109668779B (en) | 2019-02-16 | 2019-02-16 | Clamp device for measuring mechanical property of fastening belt flat plate sample by tensile test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109668779A true CN109668779A (en) | 2019-04-23 |
| CN109668779B CN109668779B (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910118539.XA Active CN109668779B (en) | 2019-02-16 | 2019-02-16 | Clamp device for measuring mechanical property of fastening belt flat plate sample by tensile test method |
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| CN (1) | CN109668779B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763310A (en) * | 2020-11-06 | 2021-05-07 | 北京工业大学 | Clamping device for tensile test of tungsten wire rope for single crystal furnace |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763310A (en) * | 2020-11-06 | 2021-05-07 | 北京工业大学 | Clamping device for tensile test of tungsten wire rope for single crystal furnace |
| CN112763310B (en) * | 2020-11-06 | 2023-01-03 | 北京工业大学 | Clamping device for tensile test of tungsten wire rope for single crystal furnace |
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| Publication number | Publication date |
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| CN109668779B (en) | 2021-07-16 |
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