CN208488325U - A kind of plate stretch test clamping device - Google Patents
A kind of plate stretch test clamping device Download PDFInfo
- Publication number
- CN208488325U CN208488325U CN201821200263.7U CN201821200263U CN208488325U CN 208488325 U CN208488325 U CN 208488325U CN 201821200263 U CN201821200263 U CN 201821200263U CN 208488325 U CN208488325 U CN 208488325U
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- China
- Prior art keywords
- contact surface
- groove
- angle
- grip block
- clamping device
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Abstract
The utility model discloses a kind of plate stretchs to test clamping device comprising clamping piece (3) and grip block (2).The centre of clamping piece (3) is equipped with groove (1), and grip block (2) is removably mounted in the groove (1).The utility model can clamp the sample progress tension test of unlike material, hardness, surface roughness, guarantee the stable holding of sample, and easy to loading and unloading.Grip block is only needed to change after the clamping surface wear of grip block (2), no replacement is required, and integral retaining device can substantially reduce testing cost.
Description
Technical field
The utility model relates to material tensile test technical fields, are a kind of folders for the test of Multiple Type plate stretch
Hold device.
Background technique
Extension test is a kind of common test in material mechanical performance test.In some relevant manufacturers or detection machine
Structure will carry out tens or up to a hundred secondary extension tests in one day, this leads to, need serious with the clamping device contact surface abrasion of sample contacts
It often to replace.The cost for replacing a clamping device is very high, even more so for some import instruments, and buys again
It needs to take a certain time.In addition, the sample of unlike material, hardness, surface roughness generally requires to be equipped with different clamping dresses
It sets, this will lead to the grip block that detection department needs to prepare a great deal of different clamping faces, this can equally bring increased costs etc.
A series of problem.Therefore, how to solve the above problems is worth us that thinking is gone to probe into.
Utility model content
The utility model proposes a kind of plate stretchs to test clamping device, comprising: clamping piece, side are equipped with groove；
And grip block, it is removably mounted in the groove.
In the utility model, the groove includes the first contact surface, the second contact surface, third contact surface, the 4th contact surface
With the 5th contact surface；The 4th contact surface groove is respectively equipped on 4th contact surface and the 5th contact surface and the 5th contact surface is recessed
Slot；The first angle is formed between first contact surface and second contact surface, the third contact surface and described second connect
The second angle is formed between contacting surface, formation third angle between the 4th contact surface and second contact surface, the described 5th
The 4th angle, first angle, the second angle, third angle and the 4th folder are formed between contact surface and second contact surface
Angle and the grip block cooperate.
In the utility model, first contact surface, the second contact surface, third contact surface, the 4th contact surface and the 5th are connect
Contacting surface is all plane.
In the utility model, first angle, the second angle, third angle and the 4th angle are all right angle.
In the utility model, the grip block include first by contact surface, second by contact surface, third by contact surface, the
Four by contact surface, the 5th by contact surface and clamping face；Described first by contact surface, second by contact surface, third by contact surface,
Four are cooperated by contact surface, the 5th by contact surface and the groove, and the clamping face is parallel with the clamping piece surface.
The utility model proposes the clamping device for tensile test in, the clamping face be equipped with dentalation.
In the utility model, the groove is not connected with any one end of the clamping piece, only outputed in face one it is recessed
Slot.
The utility model proposes the clamping device for tensile test in, between the groove and the grip block there are
0.005~0.010mm build-up tolerance.
The utility model proposes the clamping device for tensile test in, the 4th contact surface groove and/or described
Crow bar is equipped in five contact surface grooves；Described crow bar one end is connected to the 4th contact surface groove and/or described by spring
5th contact surface groove, the other end extend in the groove；Supporting point, the support solid point are equipped among the crow bar bottom
It is scheduled in the 4th contact surface groove and/or the 5th contact surface groove；The grip block side is equipped with limiting slot, described
The end that crow bar is located in groove can be caught in limiting slot.
The utility model has the beneficial effects that: the utility model can clamp unlike material, hardness, surface roughness
Sample carry out tension test, guarantee the stable holding of sample, and easy to loading and unloading, the utility model use grip block volume compared with
It is small, greatly reduce the experimentation cost of replacement monolith clamping piece.
Detailed description of the invention
Fig. 1 is the structure chart of the clamping piece in the utility model specific embodiment.
Fig. 2 is the structure chart of the grip block in the utility model specific embodiment.
Fig. 3 a is the main view of the grip block in the utility model specific embodiment.
Fig. 3 b is the left view of the grip block in the utility model specific embodiment.
Fig. 4 is the structure chart of clamping device in the utility model specific embodiment.
Specific embodiment
In conjunction with following specific embodiments and attached drawing, the utility model is described in further detail.It is practical new to implement this
The procedures, conditions, experimental methods etc. of type are in addition to what is specifically mentioned below the universal knowledege of this field and known
Common sense, there are no special restrictions to content for the utility model.
It is being clamped using the clamping piece for originally having worn out failure as clamping piece 3 in the utility model specific embodiment
Groove 1 is dug on the clamping face of piece 3.As shown in Figure 1, the clamping piece 3 be it is trapezoidal, groove 1 includes the first contact surface 11, second connects
Contacting surface 12, third contact surface 13, the 4th contact surface 14 and the 5th contact surface 15, first contact surface 11 are contacted with described second
The first angle is formed between face 12, and the second angle is formed between the third contact surface 13 and second contact surface 12, it is described
Third angle, the 5th contact surface 15 and second contact are formed between 4th contact surface 14 and second contact surface 12
The 4th angle is formed between face 12, above-mentioned whole angle and the grip block cooperate.For the ease of replacing grip block 2,
Two little grooves are outputed again (that is, being respectively equipped with the 4th on the 4th contact surface 14 and the 5th contact surface 15 in the two sides of groove 1
Contact surface groove 141 and the 5th contact surface groove 151) so that there is enough force surfaces to take out or be packed into grip block when replacement.
In Fig. 1, the cross sectional shape of groove 1 is rectangle, wherein the first contact surface 11, the second contact surface 12, third contact
Face 13, the 4th contact surface 14 and the 5th contact surface 15 are plane.According to practical set demand, between groove 1 and grip block 2
Further there are the build-up tolerances of 0.005~0.010mm.
Referring to fig. 2, Fig. 3 a and Fig. 3 b, the grip block 2 in the present embodiment include first by contact surface 21, second by contact surface
22, third by contact surface the 23, the 4th by contact surface the 25, the 5th by contact surface 26 and clamping face 24；First by contact surface 21 and
The cooperation of one contact surface 11, second is cooperated by contact surface 22 and the second contact surface 12, and third is by contact surface 23 and third contact surface 13
Cooperation the 4th by contact surface 25 and the cooperation of the 4th contact surface 14, the 5th is cooperated by contact surface 26 and the 5th contact surface 15, will clamp
Block 2 is after being inserted into groove 1 in notch, the front flush of clamping face 24 and clamping piece 3, and clamping face 24 is equipped with different types of tooth
Shape structure.
Grip block 2 is configured to rectangle structure in the present embodiment, and the length of clamping face 24 is 50 millimeters, and width is 40 millis
Rice, second by the length of contact surface 22 be 50 millimeters, width be 40 millimeters, clamping face 24 and second is by the thickness between contact surface 22
Degree is 5 millimeters, and the hardness of grip block 2 is about HRC62.It in test can be according to the unlike material of tensile sample, hardness, surface
Roughness selects various grip blocks 2 to be tested.
The structure chart of the clamping device in the present embodiment is shown in Fig. 4.The clamping device includes: clamping piece 3 and embedding
Enter the grip block 2 of groove 1.Then the clamping device is packed into the upper of cupping machine out of notch insertion groove 1 by grip block 2
In lower fixture and start to test.Tensile sample is in contact with the clamping face 24 of grip block 2 in test, upper and lower in cupping machine
Each two pieces of fixtures clamp the upper and lower ends of tensile sample respectively, carry out tension test with the speed of 20mm/min, entire to test
Sample can keep stable holding state in the process, until sample is pulled off.The dentalation on 24 surface of clamping face be worn or
Person is not suitable for replacing when tested sample.
Plate stretch in the present embodiment tests clamping device, the 4th contact surface groove 141 and the 5th contact surface groove 151
Inside it is equipped with crow bar；Crow bar one end is connected to the 5th contact surface groove 151 of the 4th contact surface groove 141/, the other end by spring
It extends in groove 1；Supporting point is equipped among crow bar bottom, supporting point is fixed on the 5th contact surface of the 4th contact surface groove 141/
In groove 151.When being put into grip block 2, crow bar one end is caught in limiting slot 27, when pressing the 4th contact surface groove 141/ the 5th
When crow bar in contact surface groove 151, grip block 2 is tilted due to crossing lever principle, greatly facilitates operator's taking-up
Grip block 2 has significant beneficial effect.
The utility model can flexibly be selected different according to the different material of tensile sample, hardness and surface roughness situation
Grip block, and guarantee the stable holding of sample.Tension test is carried out using the clamping device, it is not only easy to loading and unloading, and
No replacement is required, and integral retaining device can substantially reduce testing cost.
The protection content of the utility model is not limited to above embodiments.In the spirit and model conceived without departing substantially from utility model
Under enclosing, various changes and advantages that will be apparent to those skilled in the art are all included in the utility model, and with appended power
Sharp claim is protection scope.
Claims (7)
1. a kind of plate stretch tests clamping device characterized by comprising
Clamping piece (3) is equipped with groove (1) among it；And
Grip block (2) is removably mounted in the groove (1)；
The groove (1) includes the first contact surface (11), the second contact surface (12), third contact surface (13), the 4th contact surface
(14) and the 5th contact surface (15)；The first angle is formed between first contact surface (11) and second contact surface (12),
The second angle, the 4th contact surface (14) and institute are formed between the third contact surface (13) and second contact surface (12)
State formation third angle, shape between the 5th contact surface (15) and second contact surface (12) between the second contact surface (12)
At the 4th angle；First angle, the second angle, third angle and the 4th angle mutually cooperate with the grip block (2)；
The 4th contact surface groove (141) and the 5th contact are respectively equipped on 4th contact surface (14) and the 5th contact surface (15)
Face groove (151).
2. plate stretch as described in claim 1 tests clamping device, which is characterized in that first contact surface (11), the
Two contact surfaces (12), third contact surface (13), the 4th contact surface (14) and the 5th contact surface (15) are all plane.
3. plate stretch as described in claim 1 tests clamping device, which is characterized in that first angle, the second angle,
Third angle and the 4th angle are all right angle.
4. plate stretch as described in claim 1 tests clamping device, which is characterized in that the grip block (2) includes first
By contact surface (21), second by contact surface (22), third by contact surface (23), the 4th by contact surface (25), the 5th by contact surface
(26) and clamping face (24)；Described first by contact surface (21), second by contact surface (22), third by contact surface (23), the 4th
Cooperated by contact surface (25), the 5th by contact surface (26) and the groove (1), the clamping face (24) and the clamping piece (3)
Surface is parallel.
5. plate stretch as claimed in claim 4 tests clamping device, which is characterized in that the clamping face (24) is equipped with tooth
Shape structure.
6. plate stretch as described in claim 1 tests clamping device, which is characterized in that the groove (1) and the clamping
There are 0.005~0.010mm build-up tolerances between block (2).
7. plate stretch as described in claim 1 tests clamping device, which is characterized in that the 4th contact surface groove
(141) and/or in the 5th contact surface groove (151) it is equipped with crow bar；Described crow bar one end is connected to described by spring
Four contact surface grooves (141) and/or the 5th contact surface groove (151), the other end extend in the groove (1)；It is described
It is equipped with supporting point among crow bar bottom, the supporting point is fixed on the 4th contact surface groove (141) and/or the described 5th connects
In contacting surface groove (151)；Grip block (2) side is equipped with limiting slot (27), and the end that the crow bar is located in groove (1) can
It is caught in limiting slot (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200263.7U CN208488325U (en) | 2018-07-27 | 2018-07-27 | A kind of plate stretch test clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200263.7U CN208488325U (en) | 2018-07-27 | 2018-07-27 | A kind of plate stretch test clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208488325U true CN208488325U (en) | 2019-02-12 |
Family
ID=65246768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821200263.7U Active CN208488325U (en) | 2018-07-27 | 2018-07-27 | A kind of plate stretch test clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208488325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267414A (en) * | 2021-05-24 | 2021-08-17 | 贵州航天精工制造有限公司 | Vickers hardness test auxiliary device |
-
2018
- 2018-07-27 CN CN201821200263.7U patent/CN208488325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267414A (en) * | 2021-05-24 | 2021-08-17 | 贵州航天精工制造有限公司 | Vickers hardness test auxiliary device |
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