CN208537326U - One kind falling floor hardness calibrating installation - Google Patents
One kind falling floor hardness calibrating installation Download PDFInfo
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- CN208537326U CN208537326U CN201821017355.1U CN201821017355U CN208537326U CN 208537326 U CN208537326 U CN 208537326U CN 201821017355 U CN201821017355 U CN 201821017355U CN 208537326 U CN208537326 U CN 208537326U
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- motion bar
- calibrating installation
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- platform board
- hardness
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Abstract
The utility model provides one kind and falls floor hardness calibrating installation, including bracket and motion bar, the platform board of bracket is equipped with for the perforative through-hole of motion bar, and motion bar can be slided up and down along the vertical direction of platform board, the top of motion bar is equipped with counterweight, and the bottom end of motion bar is for installing durometer.Based on this, entire calibrating installation structure is simple, and weight is light, can be directly placed to fall and carries out hardness measurement on floor, easy to operate without cutting floor sample；Secondly, the calibrating installation determines force direction by erect bracket, and apply pressure using the counterweight of standard quality, so as to ensure force direction and fall floor it is perpendicular while can also be accurately controlled force size, improve the precision for falling floor hardness measurement；Further, since weight is light, which will not slide on floor in falling for being slightly slanted, therefore equally can be used normally, applicability with higher.
Description
Technical field
The utility model relates to hardness measurement technical fields more particularly to one kind to fall floor hardness calibrating installation.
Background technique
Falling floor is the true floor of simulation, falls structural failure and damage whether are generated on floor for testing toy
It is influenced caused by after bad.Fall floor before carrying out drop test, generally first to carry out hardness measurement test.
It is existing mainly to have hand-held durometer and rubber hardness measurement for measuring the device for falling floor hardness
System.The former is pressure needed for providing test by the pressing of manpower, although application method is simple, easy to carry,
It cannot be guaranteed that force size when measuring every time is all identical, it is vertical with the surface for falling floor to be also unable to ensure force direction, because
And measurement accuracy is not high.Chinese patent (CN205449714U) discloses a kind of rubber hardness measuring system, by counterweight and
Level(l)ing device can control force size and Orientation when each measurement, have higher accuracy of measurement, however, the survey
It is complicated to measure system structure, and needs to cut floor sample, can not be placed directly in fall and used on floor, therefore there is operation
The disadvantages of cumbersome, inconvenient for use, in addition, measuring system also can not be accurate when falling floor and horizontal plane has slanted angle
Complete hardness measurement.
Utility model content
In order to solve the above technical problems, the utility model, which provides one kind, falls floor hardness calibrating installation, the calibrating installation
Structure is simple, weight is light, can be directly placed to fall and carries out hardness measurement on floor, and precision is high, easy to operate,
It is equally applicable on floor in falling of being slightly slanted.
Based on this, the utility model provides one kind and falls floor hardness calibrating installation, including can be set up in described fall
Bracket above floor and the motion bar being installed on the bracket, the bracket include platform board and are used to support described
The supporting leg of platform board, the platform board, which is equipped with, supplies the perforative through-hole of the motion bar, and the motion bar can be along the platform
The vertical direction of plate slides up and down, and the top of the motion bar is equipped with counterweight, and the bottom end of the motion bar is hard for installing rubber
Degree meter is equipped with the locating part for fixing the motion bar between the motion bar and the platform board.
Preferably, ball compatible with the motion bar is equipped in the through-hole.
Preferably, the locating part is that can be inserted between the motion bar and the ball, is described for limiting
The bolt of motion bar sliding.
Preferably, the motion bar is located on the center line of the platform board.
Preferably, the supporting leg is set as a plurality of and is divided into equal two groups of quantity, and supporting leg described in two groups is set
In the platform board two sides and center line about the platform board it is symmetrical.
Preferably, the top of the supporting leg is connected with the side of the platform board, the bottom of the supporting leg
It holds to the side extending direction of the platform board and opens.
Preferably, the bottom end of the supporting leg is equipped with the foundation bolt for adjusting height.
Preferably, the top of the motion bar is equipped with external screw thread, and the counterweight is equipped with opposite with the external screw thread
The internal thread hole answered.
Preferably, the platform board is equipped with horizontal indicating gage.
Preferably, the bottom end of the motion bar is equipped with the connection bolt for installing durometer.
Implement the utility model embodiment, has the following beneficial effects:
The utility model provides one kind and falls floor hardness calibrating installation, including that can be set up in the bracket fallen above floor
And it is installed on the motion bar on bracket, bracket includes platform board and the supporting leg for being used to support platform board, and platform board is equipped with
For the perforative through-hole of motion bar, and motion bar can be slided up and down along the vertical direction of platform board, and the top of motion bar is equipped with counterweight,
The bottom end of motion bar is for installing durometer.Based on this, entire calibrating installation structure is simple, and weight is light, can directly put
It sets and carries out hardness measurement on falling floor, it is easy to operate without cutting floor sample；Secondly, the calibrating installation passes through
Erect bracket applies pressure using the counterweight of standard quality to determine force direction, so as to ensure force side
To with fall floor it is perpendicular while can also be accurately controlled force size, guarantee the force size phase between repeatedly measurement
Deng improving the precision for falling floor hardness measurement；Further, since weight is light, which falls what is be slightly slanted
It will not slide on floor, therefore equally can be used normally, applicability with higher.
Detailed description of the invention
Fig. 1 is the positive structure schematic for falling floor hardness calibrating installation of the utility model embodiment.
Fig. 2 is the side structure schematic diagram for falling floor hardness calibrating installation of the utility model embodiment.
Description of symbols:
1, bracket, 11, platform board, 12, supporting leg, 2, motion bar, 3, counterweight, 4, connection bolt, 5, foundation bolt, 6, water
Flat indicating gage, 7, bolt.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 2, the utility model embodiment provides one kind and falls floor hardness calibrating installation, mainly includes
It can be set up in the motion bar 2 for falling the bracket above floor 1 and being installed on bracket 1, bracket 1 includes platform board 11 and uses
In the supporting leg 12 of support platform plate 11, platform board 11 is equipped with for the perforative through-hole of motion bar 2, and motion bar 2 can be along platform board
11 vertical direction slides up and down；The top of motion bar 2 is equipped with counterweight 3, and the bottom end of motion bar 2 is equipped with connection bolt 4, in the school
Standard apparatus is before use, the bottom end that durometer need to only be butted up against motion bar 2 by user reuses the connection fastening of bolt 4
The fixed installation for realizing durometer, in addition, being additionally provided with the limit for fixing motion bar 2 between motion bar 2 and platform board 11
Position part.Based on this, entire calibrating installation structure is simple, and weight is light, can be directly placed to fall and carries out hardness measurement on floor,
It is easy to operate without cutting floor sample；Secondly, the calibrating installation determines force direction by erect bracket 1, and
Apply pressure using the counterweight 3 of standard quality, so as to ensure force direction and fall floor it is perpendicular while
It can be accurately controlled force size, guarantee that the force between repeatedly measurement is equal in magnitude, improve and fall floor hardness measurement
Precision；In addition, the calibrating installation only only has 4.5Kg or so, therefore fall on floor what is be slightly slanted, for example, with horizontal plane
Angle falling on floor less than or equal to 2.5 °, which will not slide, and equally can be used normally, and have
There is higher applicability.
Specifically, as shown in Figure 1 to Figure 2, platform board 11 is rectangle, and motion bar 2 is on its central line, and supporting leg 12 is total
Equipped with four, with two for one group, two groups of supporting legs 12 are respectively arranged on the two sides of platform board 11 and the center about platform board 11
Line is symmetrical；The top of supporting leg 12 is connected with the side of platform board 11, and the bottom end of supporting leg 12 is prolonged to the side of platform board 11
Direction opening is stretched, the stability of bracket 1 is higher as a result, will not shake when carrying out hardness measurement test.
Further, as shown in Figure 1 to Figure 2, the bottom end of supporting leg 12 is equipped with the foundation bolt 5 for adjusting height, puts down
Platen 11 is equipped with horizontal indicating gage 6, is based on this structure, falls before floor carries out hardness measurement test to horizontal, uses
Person observes horizontal indicating gage 6 on one side, judges whether platform board 11 is horizontal, adjusts accordingly foundation bolt according to inclined direction on one side
5 height finally makes 11 holding of platform board horizontal, it is ensured that motion bar 2 is perpendicular to the surface for falling floor.It is emphasized that
Horizontal indicating gage 6 is not only useful when falling floor in testing level, for the floor of falling being slightly slanted, horizontal indicating gage
6 can also serve as reference, help user to adjust foundation bolt 5, are parallel to platform board 11 as far as possible and fall floor, Jin Erda
To ensuring motion bar 2 perpendicular to the purpose for falling floor surface.
Still further, as shown in Figure 1 to Figure 2, ball compatible with motion bar 2 is equipped in the through-hole of platform board 11,
Motion bar 2 is realized by ball and is slidably connected with platform board 11.Locating part is that can be inserted between motion bar 2 and ball, use
In the bolt 7 that limitation motion bar 2 slides, bolt 7 is wedge shaped, when needing replacing counterweight 3 or the calibrating installation when not in use, bolt
7 can prevent motion bar 2 free to slide, replace convenient for counterweight 3 or avoid damaging bracket 1.
It should be pointed out that the durometer mentioned in the present embodiment refers to A type durometer or D type rubber hardness
Meter, wherein A type durometer need to meet A type Shore durometer vertification regulation (JJG 304-2003), D type durometer
D type Shore durometer vertification regulation (JJG 1039-2008) need to be met.In addition, the gross mass of motion bar 2 and counterweight 3 is basis
" the pocket hardometer penetration hardness test method of rubber " (GBT 531-1999) come what is selected, for A type durometer,
The gross mass of motion bar 2 and counterweight 3 selects 1Kg that can meet test requirements document；For D type durometer, 2 He of motion bar
The gross mass of counterweight 3 selects 5Kg that can meet test requirements document.Since motion bar 2 is not easy to replace, it is general to pass through replacement weight
Code 3 obtains different gross masses, and for the ease of the replacement of counterweight 3, counterweight 3 and motion bar 2 use quick detachable threaded connection,
I.e. the top of motion bar 2 is equipped with external screw thread, and counterweight 3 is equipped with internal thread hole corresponding with external screw thread.
The utility model embodiment also provide it is a kind of using above-mentioned calibrating installation fall floor hardness measurement test, it is known that
Fall floor be it is horizontal, test procedure is as follows:
Step 1 limits motion bar 2 using bolt 7 and slides, the durometer of selection is installed on to the bottom end of motion bar 2
And it is fixed using connection bolt 4, the counterweight 3 of certain mass is selected further according to the type of durometer, and counterweight 3 is rotatably connected in work
The top of lever 2；
Calibrating installation, is placed in the surface for falling floor by step 2, is observed horizontal indicating gage 6 on one side, is adjusted accordingly on one side
Save land foot bolt 5, so that platform board 11 is parallel to and falls floor；
One piece of smooth glass plate or steel plate are placed in the lower section of durometer by step 3, are extracted bolt 7 out, are used hand
It controls motion bar 2 to fall, until the pressure foot of durometer falls within the surface of glass plate completely, unclamps hand, observe rubber immediately
Scleroscopic pointer whether full scale；
If full scale, illustrate that pressure foot comes into full contact with the surface of glass plate, motion bar 2 perpendicular to the surface for falling floor,
Test can enter next step；
If illustrating that pressure foot and the surface of glass plate do not come into full contact with, motion bar 2 is not perpendicular to fall without full scale
The surface on floor needs to lift at this time motion bar 2, is inserted into bolt 7, readjusts foundation bolt 5, then repeat above-mentioned step
Suddenly, until pointer can achieve full scale；
Step 4 lifts motion bar 2, removes glass plate, then fallen with hand control motion bar 2, until durometer
Pressure foot falls within the surface for falling floor completely, unclamps hand and observes immediately after pressing foot to contact 1 to 3 second with the surface for falling floor
The degree that durometer is shown, this degree are the hardness for falling floor；
Step 5 according to demand takes multiple measurements the hardness for falling floor；
Step 6 removes durometer, is inserted into bolt 7, and calibrating installation is withdrawn and is saved, next use is remained.
About above-mentioned test, need to illustrate several points, firstly, pressure foot with fall the contact position on floor at least away from falling floor
Edge 12mm；Secondly, there cannot be any vibration during test, if calibrating installation is subjected to displacement, step 2 must be repeated
Level tune is carried out with step 3；Furthermore pressure foot is chosen with the time of contact for falling floor surface according to relevant criterion before reading,
It usually 1 to 3 second, must read immediately later, this is because the pointer of durometer can be gradually after reaching measurement degree
Reduce, until zero, thus must Rapid reading；Finally, for the hardness measurement test for falling floor being slightly slanted, step
Suddenly as above-mentioned steps, details are not described herein again.
To sum up, the utility model provides one kind and falls floor hardness calibrating installation, including bracket 1 and motion bar 2, bracket 1
Including platform board 11 and it is used to support the supporting leg 12 of platform board 11, platform board 11 is equipped with for the perforative through-hole of motion bar 2, and
Motion bar 2 can be slided up and down along the vertical direction of platform board 11, and the top of motion bar 2 is equipped with counterweight 3, and the bottom end of motion bar 2 is used
In installation durometer.Compared with the prior art, the calibrating installation structure is simple, weight is light, it can be directly placed at and fall
Carry out hardness measurement on floor, and precision is high, it is easy to operate, it can equally be answered on floor in falling of being slightly slanted
With.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (10)
1. one kind falls floor hardness calibrating installation, which is characterized in that including the bracket fallen above floor can be set up in
And it is installed on the motion bar on the bracket, the bracket includes platform board and the support for being used to support the platform board
Leg, the platform board, which is equipped with, supplies the perforative through-hole of the motion bar, and the motion bar can be along the vertical direction of the platform board
It slides up and down, the top of the motion bar is equipped with counterweight, and the bottom end of the motion bar is for installing durometer, the activity
The locating part for fixing the motion bar is equipped between bar and the platform board.
2. according to claim 1 fall floor hardness calibrating installation, which is characterized in that be equipped in the through-hole with it is described
The compatible ball of motion bar.
3. according to claim 2 fall floor hardness calibrating installation, which is characterized in that the locating part is pluggable institute
State the bolt between motion bar and the ball, for limiting the motion bar sliding.
4. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the motion bar is located at described flat
On the center line of platen.
5. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the supporting leg be set as it is a plurality of simultaneously
It is divided into equal two groups of quantity, supporting leg described in two groups is set to the two sides of the platform board and the center line about the platform board
Symmetrically.
6. according to claim 5 fall floor hardness calibrating installation, which is characterized in that the top of the supporting leg and institute
The side for stating platform board is connected, and the bottom end of the supporting leg is opened to the side extending direction of the platform board.
7. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the bottom end of the supporting leg is equipped with
For adjusting the foundation bolt of height.
8. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the top of the motion bar is equipped with
External screw thread, the counterweight are equipped with internal thread hole corresponding with the external screw thread.
9. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the platform board is equipped with level
Indicating gage.
10. according to claim 1 fall floor hardness calibrating installation, which is characterized in that the bottom end of the motion bar is set
There is the connection bolt for installing durometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017355.1U CN208537326U (en) | 2018-06-28 | 2018-06-28 | One kind falling floor hardness calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017355.1U CN208537326U (en) | 2018-06-28 | 2018-06-28 | One kind falling floor hardness calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537326U true CN208537326U (en) | 2019-02-22 |
Family
ID=65379692
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017355.1U Active CN208537326U (en) | 2018-06-28 | 2018-06-28 | One kind falling floor hardness calibrating installation |
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| Country | Link |
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| CN (1) | CN208537326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532733A (en) * | 2021-08-27 | 2021-10-22 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
-
2018
- 2018-06-28 CN CN201821017355.1U patent/CN208537326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532733A (en) * | 2021-08-27 | 2021-10-22 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
| CN113532733B (en) * | 2021-08-27 | 2023-08-08 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 8 Qishan Road, Shiqi Town, Panyu District, Guangzhou City, Guangdong Province, 510000, 150 Patentee after: Radio and TV Measurement and Testing Group Co.,Ltd. Address before: 510630 Xiping Road, Whampoa Road, Tianhe District, Guangzhou, Guangdong 163 Patentee before: GUANGZHOU GRG METROLOGY & TEST Co.,Ltd. |
|
| CP03 | Change of name, title or address |