CN209542257U - A kind of sphere sample fixing device of hardness test - Google Patents
A kind of sphere sample fixing device of hardness test Download PDFInfo
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- CN209542257U CN209542257U CN201821751505.1U CN201821751505U CN209542257U CN 209542257 U CN209542257 U CN 209542257U CN 201821751505 U CN201821751505 U CN 201821751505U CN 209542257 U CN209542257 U CN 209542257U
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Abstract
A kind of sphere sample fixing device of hardness test, belongs to hardness test equipment technical field, for sphere sample to be fixed in hardness test.Its technical solution is: upper fixing sleeve is cylindrical body, there is cylindrical positioning to press hole along the center axis of upper fixing sleeve, the outer diameter of the diameter and hard pressure head in positioning pressure hole matches, hard pressure head outer wall is to be slidably matched with positioning pressure hole inner wall, there is cone-shaped groove on the bottom surface of upper fixing sleeve, the upper end of cone-shaped groove is connected with positioning pressure hole, lower support base is conical round table, the taper of the taper and the cone-shaped groove of upper fixing sleeve of the conical round table of lower support base matches, the conical round table central axis of lower support base has cylindrical sample location hole, the diameter of sample location hole is less than the diameter of sample sphere.The utility model is structurally reasonable, easy to use, can deviate to avoid the sphere sample centre of sphere and hardness tester hard pressure head center, guarantee test go on smoothly and accuracy.
Description
Technical field
The utility model relates to a kind of devices for sphere sample to be fixed in hardness test, belong to hardness examination
Test equipment technical field.
Background technique
Hardness test is a kind of relatively common detection means of physical detection technical field, since hardness test is using hard
Matter pressure head carries out pressure detecting to sample, therefore the contact surface of sample and hard pressure head should be plane, just can guarantee so hard
Matter pressure head and sample contacts are good, and sliding will not occur and cause test data inaccurate or damage pressure head structure.In actual operation,
By a few thing table top hardness test can also be carried out to bar sample, however, due to the special shape structure of spherical sample,
When carrying out hardness test, it is difficult to ensure that the centre of sphere of hardness tester hard pressure head center and sphere sample is located at same central axes
On, cause test that can not carry out, will lead to that sphere sample collapses out or pressure head of testing machine is damaged when serious, to human body and testing machine
Cause serious damage.
Utility model content
It is this technical problem to be solved by the utility model is to provide a kind of sphere sample fixing device of hardness test
Fixed device can satisfy the requirement that sphere sample carries out hardness test, avoid the hard of hardness tester during hardness test
Pressure head center and the centre of sphere of sphere sample deviate, the accuracy of guarantee test, prevent pressure head of testing machine damage and people
Body safety accident.
The technical solution for solving above-mentioned technical problem is:
A kind of sphere sample fixing device of hardness test, it is made of upper fixing sleeve and lower support base, and upper fixing sleeve is
Cylindrical body has cylindrical positioning to press hole, the diameter and hard pressure in positioning pressure hole along the center axis of upper fixing sleeve
The outer diameter of head matches, and hard pressure head outer wall is to be slidably matched with positioning pressure hole inner wall, has cone on the bottom surface of upper fixing sleeve
The upper end of groove, cone-shaped groove is connected with positioning pressure hole, and lower support base is conical round table, the conical round table of lower support base
The taper of taper and the cone-shaped groove of upper fixing sleeve matches, and the conical round table central axis of lower support base has cylindrical examination
Sample location hole, the diameter of sample location hole are less than the diameter of sample sphere.
The sphere sample fixing device of above-mentioned hardness test, the positioning pressure are equipped with adjusting screwed pipe in hole, and positioning is pressed
The inner hole wall in hole has screw thread, and the outer wall for adjusting screwed pipe has screw thread, and adjusting screwed pipe with positioning pressure hole is to be threadedly engaged to connect, and adjusts
The inner hole wall of section screwed pipe is to be slidably matched with hard pressure head outer wall.
Fixed circle is arranged at the lower part of the sphere sample fixing device of above-mentioned hardness test, the conical round table of the lower support base
There are cylindrical card slot in disk, the bottom surface of fixed disc, and it is straight that diameter and the hardness tester circle of cylindrical card slot set sample work top
Diameter matches, and the fixed disc of the conical round table of lower support base is sleeved on hardness tester circle by cylindrical card slot and sets sample work
Make on table top.
The beneficial effects of the utility model are:
The positioning pressure hole of the upper fixing sleeve of the utility model and the centralized positioning of hard pressure head, upper fixing sleeve and lower support base are logical
Conical socket and conical round table cooperation positioning are crossed, sphere sample is located at the cylindrical examination of the conical round table central axis of lower support base
On sample location hole, therefore realize that testing machine hard pressure head and the sphere sample centre of sphere are located on same central axes, while relying on device
Fixation that upper fixing sleeve conical socket inclined-plane and sphere specimen surface be tangent, lower support base cylindrical sample location hole connects with spherical surface
Sphere prevents generation during sphere specimen test from rolling and sliding, and guarantee test is gone on smoothly.
The utility model is structurally reasonable, easy to use, accurate positioning can satisfy sphere examination when carrying out hardness test
Sample carries out the requirement of hardness test, can be to avoid to the sphere sample centre of sphere and hardness tester during sphere progress hardness test
Hard pressure head center is deviateed, the accuracy for going on smoothly and testing of guarantee test, prevents pressure head of testing machine damage
And personal safety accident.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is positioning pressure hole and the scheme of installation for adjusting screwed pipe.
It is marked in figure as follows: upper fixing sleeve 1, lower support base 2, positioning pressure hole 3, cone-shaped groove 4, conical round table 5, sample
Location hole 6, fixed disc 7, cylindrical card slot 8, hard pressure head 9, sphere sample 10, hardness tester circle set sample work top
11, screwed pipe 12 is adjusted.
Specific embodiment
The utility model is made of upper fixing sleeve 1, lower support base 2.
It is shown in figure, upper fixing sleeve 1 is cylindrical body, has determining for cylinder along the center axis of upper fixing sleeve 1
Position pressure hole 3, positioning, which presses to be equipped in hole 3, adjusts screwed pipe 12, and the inner hole wall in positioning pressure hole 3 has screw thread, adjusts screwed pipe 12
Outer wall has screw thread, and adjusting screwed pipe 12 with positioning pressure hole 3 is to be threadedly engaged to connect, and adjusts the inner hole wall and hard pressure of screwed pipe 12
First 9 outer wall is to be slidably matched, and can be fixed by adjusting ball of the screwed pipe 12 for different sphere diameters.This cooperation can guarantee to try
It tests machine hard pressure head 9 and upper fixing sleeve 1 is located on same central axis, while preventing testing machine hard pressure head 9 in test process
In shift with upper fixing sleeve 1.
Show there is cone-shaped groove 4, the upper end and positioning pressure hole 3 of cone-shaped groove 4 on the bottom surface of upper fixing sleeve 1 in figure
It is connected.
It is shown in figure, lower support base 2 is conical round table 5, the taper of the conical round table 5 of lower support base 2 and upper fixing sleeve 1
The taper of cone-shaped groove 4 matches.In use, 4 sets of the cone-shaped groove of upper fixing sleeve 1 are conical round table 5 in lower support base 2
On, cone-shaped groove 4 and conical round table 5 are fitted close, so that upper fixing sleeve 1 and lower support base 2 pass through cone-shaped groove 4 and cone
Shape rotary table 5 can cooperate positioning.
It is shown in figure, 5 central axis of conical round table of lower support base 2 has cylindrical sample location hole 6, sample location hole
6 diameter is less than the diameter of sample sphere 10.Sphere sample 10 is placed on sample location hole 6, and sample location hole 6 is used for ball
Body sample 10 is positioned, and guarantees that sphere sample 10 is located at the axial centerline of lower support base 2.
It is shown in figure, when sphere sample 10 is placed on the sample location hole 6 of the conical round table 5 of lower support base 2, upper fixation
The inner wall of the cone-shaped groove 4 of set 1 and the tangent fixation in 10 top of sphere sample guarantee that sphere sample 10 is fixed on fixing sleeve 1
Between lower support base 2, prevent sphere sample 10 from sliding.
It is shown in figure, fixed disc 7 is arranged at the lower part of the conical round table 5 of lower support base 2, and there is cylinder in the bottom surface of fixed disc 7
Shape card slot 8, diameter and the hardness tester circle of cylindrical card slot 8 set 11 diameter of sample work top and match, lower support base 2
The fixed disc 7 of conical round table 5 is sleeved on hardness tester circle by cylindrical card slot 8 and sets 11 on sample work top, so that
Lower support base 2 is fixed on hardness tester circle and sets on 11 on sample work top, prevents lower support base 2 from occurring during the test
It is mobile.
On the one hand the utility model presses hole 3 and 9 centralized positioning of hard pressure head, upper fixing sleeve 1 by the positioning of upper fixing sleeve 1
It is positioned with lower support base 2 by cone-shaped groove 4 and the cooperation of conical round table 5, sphere sample 10 is located at the taper circle of lower support base 2
On the cylindrical sample location hole 6 of 5 central axis of platform, therefore realize that testing machine hard pressure head 9 is located at 10 centre of sphere of sphere sample
On same central axes；On the other hand lower support base 2 is fixed on hardness tester circle and sets on sample work top 11, sphere sample
10 are located on the cylindrical sample location hole 6 of lower support base 2, so that sphere sample 10 is located at hardness tester circle and sets sample work
The central axis of table top 11, these two aspects all play the work being aligned to sphere sample central axis with hard pressure head central axis
With reaching double insurance.
One embodiment of the utility model is as follows:
The diameter of upper fixing sleeve 1 is 50mm, is highly 26mm, and the diameter in positioning pressure hole 3 is 12mm, adjusts screwed pipe 12
Internal diameter is 10mm, and the lower end diameter of cone-shaped groove 4 is 43mm, and the taper of cone-shaped groove 4 is 45 °；
The diameter of lower support base 2 is 54mm, is highly 26mm, and the diameter of the upper bottom surface of conical round table 5 is 25mm, taper circle
The taper of platform 5 is 45 °, and the diameter of sample location hole 6 is 4mm；
The diameter of fixed disc 7 is 74mm, is highly 7mm, and the diameter of cylindrical card slot 8 is 64mm, depth 5mm.
Claims (3)
1. a kind of sphere sample fixing device of hardness test, it is characterised in that: it is by upper fixing sleeve (1) and lower support base (2)
Composition, upper fixing sleeve (1) are cylindrical body, have cylindrical positioning to press hole along the center axis of upper fixing sleeve (1)
(3), the outer diameter of the diameter and hard pressure head (9) of positioning pressure hole (3) matches, hard pressure head outer wall and positioning pressure hole (3) inner wall
To be slidably matched, have cone-shaped groove (4) on the bottom surface of upper fixing sleeve (1), the upper end and positioning pressure hole of cone-shaped groove (4)
(3) it is connected, lower support base (2) is conical round table (5), the taper and upper fixing sleeve of the conical round table (5) of lower support base (2)
(1) taper of cone-shaped groove (4) matches, and conical round table (5) central axis of lower support base (2) has cylindrical sample
Location hole (6), the diameter of sample location hole (6) are less than the diameter of sample sphere (10).
2. the sphere sample fixing device of hardness test according to claim 1, it is characterised in that: hole is pressed in the positioning
(3) it is equipped in and adjusts screwed pipe (12), the inner hole wall of positioning pressure hole (3) has screw thread, and the outer wall for adjusting screwed pipe (12) has spiral shell
Line, adjusting screwed pipe (12) with positioning pressure hole (3) is to be threadedly engaged to connect, and adjusts the inner hole wall and hard pressure head of screwed pipe (12)
(9) outer wall is to be slidably matched.
3. the sphere sample fixing device of hardness test according to claim 1, it is characterised in that: the lower support base
(2) lower part of conical round table (5) has fixed disc (7), and the bottom surface of fixed disc (7) has cylindrical card slot (8), cylinder card
The diameter of slot (8) sets sample work top (11) diameter with hardness tester circle and matches, the conical round table of lower support base (2)
(5) fixed disc (7) is sleeved on hardness tester circle by cylindrical card slot (8) and sets on sample work top (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821751505.1U CN209542257U (en) | 2018-10-28 | 2018-10-28 | A kind of sphere sample fixing device of hardness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821751505.1U CN209542257U (en) | 2018-10-28 | 2018-10-28 | A kind of sphere sample fixing device of hardness test |
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| Publication Number | Publication Date |
|---|---|
| CN209542257U true CN209542257U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821751505.1U Active CN209542257U (en) | 2018-10-28 | 2018-10-28 | A kind of sphere sample fixing device of hardness test |
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| CN (1) | CN209542257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397961A (en) * | 2020-05-07 | 2020-07-10 | 生态环境部南京环境科学研究所 | Portable spherical sample sampling device |
-
2018
- 2018-10-28 CN CN201821751505.1U patent/CN209542257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397961A (en) * | 2020-05-07 | 2020-07-10 | 生态环境部南京环境科学研究所 | Portable spherical sample sampling device |
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