CN208620942U - A kind of circular cross-section tensile sample dimension measuring device - Google Patents
A kind of circular cross-section tensile sample dimension measuring device Download PDFInfo
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- CN208620942U CN208620942U CN201821164866.6U CN201821164866U CN208620942U CN 208620942 U CN208620942 U CN 208620942U CN 201821164866 U CN201821164866 U CN 201821164866U CN 208620942 U CN208620942 U CN 208620942U
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- circular cross
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- amesdial
- tensile sample
- measuring device
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Abstract
The utility model relates to a kind of circular cross-section tensile sample dimension measuring devices, comprising: pedestal, fixed bracket, mobile bracket, lead screw, linear scale and displacement Bridge；The linear scale is horizontally disposed on the base；The lead screw is horizontally set on the length direction of the pedestal；The mobile bracket slide is arranged on the lead screw；The fixed bracket is fixed at one end of the lead screw；The displacement Bridge is arranged on the mobile bracket；The fixed bracket and the mobile branch are provided with V-groove.The displacement Bridge includes: amesdial, amesdial drive rod, transmission levers, measuring rod and displacement conversion bridge chair.By being displaced the flexible use of Bridge, which can flexible, accurate, easily intuitive measurement circular cross-section tensile sample parallel length and diameter.
Description
Technical field
The utility model relates to specimen size fields of measurement more particularly to the circular cross-section samples of metal material stretching test
Dimensional measurement.
Background technique
Material mechanical performance test is shown for measuring material when certain environment condition lower stress or energy act on
Characteristic.Wherein the tensile sample of metal material is usually the round bar shape for having clamping end, and common examination criteria has GB/
T228.1, ASTM E8, ISO 6892-1 etc..Required before all tension tests detection the parallel length Lc to sample to be detected,
The green diameter d of parallel length0It measures, roughness Ra is detected.Green diameter d0Value is that tension is strong in tension test
The important parameter (needing to be accurate to 0.01mm) that degree and contraction percentage of area project result calculate.General measure green diameter d0Behaviour
It is that one hand of personnel holds sample as method, another hand holds vernier caliper, and when survey measurements will keep vernier caliper as far as possible
It is vertical with sample axis and to avoid shaking.In the case where no auxiliary device, due to the difference meeting of personnel's skilled operation degree
It is larger to introduce human error, affects the precision of stretch test result.
Summary of the invention
The utility model overcomes that existing part circular section tensile sample dimensional measurement human error is big, measurement efficiency
Deficiency low, measurement accuracy is poor provides a kind of circular cross-section tensile sample dimension measuring device, can be convenient, fast intuitive
Measurement specimen size.
A kind of circular cross-section tensile sample dimension measuring device, comprising: pedestal 1, fixed bracket 2, mobile bracket 3, lead screw
4, linear scale 5 and displacement Bridge 6；The pedestal 1 is used to guarantee the stability of whole device；The linear scale 5 is horizontally disposed
On the pedestal 1；The lead screw 4 is horizontally set on the length direction of the pedestal 1；The sliding of mobile bracket 3 setting
On the lead screw 4, the fixed bracket 2 is fixed at one end of the lead screw 4；The displacement Bridge 6 is arranged in institute
It states on mobile bracket 3；For the diameter put and more accurately measure sample for keeping sample more stable, the fixed bracket 2 and institute
It states mobile bracket 3 and is respectively equipped with V-groove 7.When sample is placed on the fixed bracket 2 and the mobile bracket 3, adjustment is moved
The position of dynamic bracket 3 can calculate the distance between fixed bracket 2 and mobile bracket 3 by the scale on reading linear scale 5,
So as to measure the parallel length of sample.
Further, in order to keep amesdial dial plate parallel with base plane, in order to personnel's reading, using displacement Bridge
Vertical displacement is converted to horizontal displacement.Being displaced Bridge 6 includes: amesdial 605, amesdial drive rod 604, transmission levers
603, measuring rod 602 and displacement conversion bridge chair 601；602 vertical sliding of the measuring rod setting converts bridge chair 601 in the displacement
It is interior；Shown 604 level of amesdial drive rod is slidably arranged in the displacement conversion bridge chair 601；The transmission levers 603 rotate
Setting is in displacement conversion bridge chair 601；603 end thereof contacts of transmission levers connect the end of the measuring rod 602, separately
End thereof contacts connect the end of the amesdial drive rod 604；The initial end of the amesdial drive rod 604 connects amesdial；
The initial end of the measuring rod 602 is protruded from displacement conversion bridge chair 601；The axis of the measuring rod 602 is located at the V-type
On 7 angular bisector of slot.It, can be by measuring rod 602 from displacement Bridge when sample is placed on fixed bracket 2 and mobile bracket 3
The vertical displacement of the part pressure of 601 protrusion of seat, measuring rod 602 passes to amesdial transmission by the rotation of transmission levers 603
Bar 604 is converted to the horizontal displacement of amesdial drive rod 604, and the amesdial connecting with amesdial drive rod 604 can measure in place
Shifting value is calculated with Pythagorean theorem by " V " type angle to V-groove 7, can derive the diameter value of sample.
The diameter of sample is d0, the angle of V-groove is θ, and amesdial puts the absolute value X of readings before and after sample, then according to hook
Stock theorem has following relational expression:
(d0/2)/( d0/ 2+X)=cos ((180 ° of-θ)/2)
Further, in order to guarantee the accuracy of sample parallel length measurement, the fixed bracket 2 and the mobile bracket
3 is vertical with the axis of the lead screw 4.7 shape of V-groove on V-groove 7 and the mobile bracket 3 on the fixed bracket 2,
Size is identical consistent, and the angle of the V-groove (7) is greater than 0 ° and less than 180 °, and the angle as preferred V-groove 7 is
38.94 °, d at this time0=X, without the diameter value that can efficiently obtain sample by deriving.
For the ease of the relative displacement of fixed bracket 2 and mobile bracket 3, the mobile bracket 3 is equipped with pointer 8, institute
Pointer 8 is stated for accurately reading the value of the linear scale 5, as preferably by the starting point setting of fixed bracket 2 in linear scale 5
The position of zero graduation.
Amesdial drive rod 604 is deviate from from displacement conversion bridge chair 601 in order to prevent, the end of the amesdial drive rod 604
End is equipped with limiting device 6041, can be protrusion as preferred limiting device 6041.
In order to bounce measuring rod 602 can voluntarily to be measured again after having measured, on the measuring rod 602
Equipped with resetting apparatus 6021, as preferably spring reverse motion 6021.
Further, in order to extend service life of whole device, the material of the V-groove 7 is abrasion-resistant stee.
Further, measurement standard is compareed for ease of operation, is additionally provided with one or more card slots 9 on the pedestal 1,
For placing acceptance criteria card or measurement standard, roughness ratio can prevent in card slot 9 card, measurement parallel length and
While specimen finish, roughness is also checked and accepted simultaneously.
A kind of circular cross-section tensile sample dimension measuring device, effectively by the parallel length of circular cross-section tensile sample and
Two sizes of diameter complete measurement with an equipment.The mode that diameter measurement is cleverly converted to the direct degree of amesdial, mentions
High measurement efficiency, reduces the error of man-hour manually hand-held measurement, improves accuracy of measurement.
Detailed description of the invention
Fig. 1 is circular cross-section tensile sample schematic diagram；
Fig. 2 is circular cross-section tensile sample dimension measuring device schematic elevation view；
Fig. 3 is circular cross-section tensile sample dimension measuring device schematic top plan view；
Fig. 4 is displacement Bridge operation principle schematic diagram；
Fig. 5 is zero adjustment block 11；
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, combined with specific embodiments below
The utility model is described in further detail.It note that the embodiments described below is exemplary, be only used for explaining this
Utility model, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according to this
Technology or conditions described in document in field are carried out according to product description.Production is not specified in agents useful for same or instrument
Manufacturer person, being can be with conventional products that are commercially available.
As shown in Figure 2 and Figure 3, a kind of circular cross-section tensile sample dimension measuring device, comprising: pedestal 1, fixed bracket 2,
Mobile bracket 3, lead screw 4, linear scale 5 and displacement Bridge 6；The pedestal 1 is used to guarantee the stability of whole device, guarantees bottom
The top surface of seat 1 is horizontal；The linear scale 5 is horizontally set on the pedestal 1, reads number for convenience, the present embodiment
Linear scale 5 is arranged on the top surface of pedestal 1；The lead screw 4 is horizontally set on the length direction of the pedestal 1；The movement
Bracket 3 is slidably arranged on the lead screw 4, and mobile bracket 3 is mobile for convenience, and a lead screw knob is arranged in 1 side of pedestal
401, it is rotated by knob 401 and drives mobile bracket 3 mobile, the fixed bracket 2 is fixed at one end of the lead screw 4；
The displacement Bridge 6 is arranged on the mobile bracket 3；In order to make sample 10 is more stable to put and more accurately measure sample
10 diameter, the fixed bracket 2 and the mobile bracket 3 are equipped with V-groove 7, and the angle of the V-groove 7 of the present embodiment is
38.94°.When sample 10 is placed on the fixed bracket 2 and the mobile bracket 3, the position of mobile bracket 3 is adjusted, is led to
The scale read on linear scale 5 is crossed, the distance between fixed bracket 2 and mobile bracket 3 can be calculated, so as to measure examination
The parallel length of sample 10.
As shown in figure 4, displacement Bridge 6 includes: amesdial 605, amesdial drive rod 604, transmission levers 603, measurement
Bar 602 and displacement conversion bridge chair 601；602 vertical sliding of the measuring rod setting is in displacement conversion bridge chair 601；It is shown
604 level of amesdial drive rod is slidably arranged in the displacement conversion bridge chair 601；The transmission levers 603 are rotatably arranged on
In the displacement conversion bridge chair 601；603 end thereof contacts of transmission levers connect the end of the measuring rod 602, another termination
Touching connects the end of the amesdial drive rod 604；The initial end of the amesdial drive rod 604 connects amesdial；The survey
The initial end of gauge rod 602 is protruded from displacement conversion bridge chair 601；The axis of the measuring rod 602 is located at 7 jiaos of the V-groove
On bisector.When sample 10 is placed on fixed bracket 2 and mobile bracket 3, measuring rod 602 can be converted bridge chair from displacement
The part pressure of 601 protrusions, the vertical displacement of measuring rod 602 pass to amesdial drive rod by the rotation of transmission levers 603
604, the horizontal displacement of amesdial drive rod 604 is converted to, the amesdial connecting with amesdial drive rod 604 can measure displacement
Value, is calculated by V-groove 7 " V " type angle with Pythagorean theorem, and the diameter value of sample 10 is calculated.
The diameter of sample is d0, the angle of V-groove is 38.94 °, and amesdial puts the absolute value X of readings before and after sample, then
There is following relational expression according to Pythagorean theorem:
(d0/2)/( d0/ 2+X)=cos ((180 ° -38.94 °)/2)
Before measuring, using zero adjustment block 11 as shown in Figure 5, the zero adjustment block 11 and the mobile bracket 3
7 geomery of V-groove match, zero adjustment is put into the V-groove 7 of mobile bracket 3 fastly, the value of amesdial is zeroed,
Sample 10 is placed on mobile bracket 3 again after zero, can not have to calculate amesdial absolute value X, be read by calculating
The value of amesdial is the diameter value of sample 10.
Further, in order to guarantee the accuracy of 10 parallel length of sample measurement, the fixed bracket 2 and the mobile branch
Frame 3 is vertical with the axis of the lead screw 4.
For the ease of the relative displacement of fixed bracket 2 and mobile bracket 3, the starting point of fixed bracket 2 is arranged online
The position of 5 zero graduation of line ruler.
Amesdial drive rod 604 is deviate from from displacement conversion bridge chair 601 in order to prevent, the end of the amesdial drive rod 604
End is equipped with limiting device 6041, can be protrusion as preferred limiting device 6041.
In order to bounce measuring rod 602 can voluntarily to be measured again after having measured, on the measuring rod 602
Equipped with resetting apparatus 6021, as preferably spring reverse motion 6021.
Further, in order to extend service life of whole device, the material of the V-groove 7 is abrasion-resistant stee.
Further, measurement standard is compareed for ease of operation, is additionally provided at least one or more card on the pedestal 1
Slot 9, it is quasi- for placing acceptance criteria card or measurement standard, roughness ratio can be placed in card slot 9 sample 10, measure
While 10 diameter of parallel length and sample, roughness is also checked and accepted simultaneously.
When measuring sample 10 as shown in Figure 1, card will be checked and accepted as in card slot 9, zero adjustment block 11 shown in fig. 5 is put
In the V-groove 7 for entering mobile bracket 3, the value of amesdial is zeroed.
Check that acceptance criteria is checked according to 228.1 examination criteria of GB/T, it is desirable that d0For 10mm ± 0.03mm, Lc≥55mm、
Ra<3.2.4 knob of lead screw is adjusted into mobile bracket 3, refers to pointer 8 in the position 55mm, sample 10 is placed in fixed 2 He of bracket
On mobile bracket 3,10 parallel length of sample then L of sample 10 in two standsc>=55mm, the L of sample 10cParameter is qualified.
Sample 10 is compressed with hand, amesdial registration absolute value is 10.017mm, i.e. d0=10.017mm, in standard requirements
Within the scope of 10mm ± 0.03mm, the d of sample 100Parameter is qualified.
Sample 10 compares 9 Plays roughness test block of card slot, is less than reference block roughness, then test block Ra < 3.2, sample
10 Ra parameter is qualified.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside can make changes, modifications, alterations, and variations to the above described embodiments, at the same time, for those skilled in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range.
Claims (10)
1. a kind of circular cross-section tensile sample dimension measuring device characterized by comprising pedestal (1), moves fixed bracket (2)
Dynamic bracket (3), lead screw (4), linear scale (5) and displacement Bridge (6)；
The lead screw (4) is horizontally set on the length direction of the pedestal (1)；
The mobile bracket (3) is slidably arranged on the lead screw (4)；The fixed bracket (2) is fixed at the lead screw
(4) one end；
The linear scale (5) is horizontally set on the pedestal (1) and parallel with the lead screw；
The displacement Bridge (6) is arranged on the mobile bracket (3)；The fixed bracket (2) and the mobile bracket (3)
It is respectively equipped with V-groove (7).
2. a kind of circular cross-section tensile sample dimension measuring device according to claim 1, which is characterized in that the displacement
Bridge (6) includes: that amesdial (605), amesdial drive rod (604), transmission levers (603), measuring rod (602) and displacement turn
Change bridge chair (601)；Measuring rod (602) the vertical sliding setting is in displacement conversion bridge chair (601)；The amesdial passes
Lever (604) level is slidably arranged in displacement conversion bridge chair (601)；The transmission levers (603) are rotatably arranged on institute
Rheme transfer is changed in bridge chair (601)；Transmission levers (603) end thereof contacts are connected to the end of the measuring rod (602), institute
Transmission levers (603) other end is stated to connect in the end of the amesdial drive rod (604)；The amesdial drive rod
(604) initial end connects amesdial (605)；The initial end of the measuring rod (602) is convex from displacement conversion bridge chair (601)
Out；The axis of the measuring rod (602) is located on the V-groove (7) angular bisector.
3. a kind of circular cross-section tensile sample dimension measuring device according to claim 1 or 2, which is characterized in that described
Fixed bracket (2) and the mobile bracket (3) are vertical with the axis of the lead screw (4).
4. a kind of circular cross-section tensile sample dimension measuring device according to claim 1 or 2, which is characterized in that described
Support bracket fastened V-groove is identical as the V-groove shape and size of the mobile bracket.
5. a kind of circular cross-section tensile sample dimension measuring device according to claim 1 or 2, which is characterized in that described
Mobile bracket (3) are equipped with pointer (8), and the pointer (8) is used to accurately read the value of the linear scale (5).
6. a kind of circular cross-section tensile sample dimension measuring device according to claim 2, which is characterized in that described thousand points
The end of table drive rod (604) is equipped with limiting device (6041).
7. a kind of circular cross-section tensile sample dimension measuring device according to claim 2, which is characterized in that the measurement
Bar (602) is equipped with resetting apparatus (6021).
8. a kind of circular cross-section tensile sample dimension measuring device according to claim 1 or 2, which is characterized in that the V
The material of type groove (7) is abrasion-resistant stee.
9. a kind of circular cross-section tensile sample dimension measuring device according to claim 1, which is characterized in that the pedestal
(1) it is equipped at least one card slot (9), for placing acceptance criteria card and reference block.
10. a kind of circular cross-section tensile sample dimension measuring device according to claim 4, which is characterized in that the V-type
The angle of slot (7) is greater than 0 ° and less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821164866.6U CN208620942U (en) | 2018-07-23 | 2018-07-23 | A kind of circular cross-section tensile sample dimension measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164866.6U CN208620942U (en) | 2018-07-23 | 2018-07-23 | A kind of circular cross-section tensile sample dimension measuring device |
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| CN208620942U true CN208620942U (en) | 2019-03-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731575A (en) * | 2018-07-23 | 2018-11-02 | 宁夏共享集团股份有限公司 | A kind of circular cross-section tensile sample dimension measuring device |
| CN114235581A (en) * | 2021-12-20 | 2022-03-25 | 武汉一冶钢结构有限责任公司 | Device and method for accurately measuring test parameters |
| CN114659430A (en) * | 2022-03-18 | 2022-06-24 | 富洛钛科技(广东)有限公司 | End head detection device for automobile oil pipe |
-
2018
- 2018-07-23 CN CN201821164866.6U patent/CN208620942U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731575A (en) * | 2018-07-23 | 2018-11-02 | 宁夏共享集团股份有限公司 | A kind of circular cross-section tensile sample dimension measuring device |
| CN108731575B (en) * | 2018-07-23 | 2024-05-07 | 共享装备股份有限公司 | Device for measuring size of tensile sample with circular section |
| CN114235581A (en) * | 2021-12-20 | 2022-03-25 | 武汉一冶钢结构有限责任公司 | Device and method for accurately measuring test parameters |
| CN114659430A (en) * | 2022-03-18 | 2022-06-24 | 富洛钛科技(广东)有限公司 | End head detection device for automobile oil pipe |
| CN114659430B (en) * | 2022-03-18 | 2024-05-03 | 富洛钛科技(广东)有限公司 | End detection device for automobile oil pipe |
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Effective date of registration: 20190604 Address after: 750021 550 Beijing West Road, Xixia District, Yinchuan, the Ningxia Hui Autonomous Region Patentee after: KOCEL EQUIPMENT CO., LTD. Address before: 750021 No. 199 Tongxin South Street, Yinchuan Economic and Technological Development Zone, Ningxia Hui Autonomous Region Patentee before: KOCEL GROUP LIMITED |