CN206740555U - The accurate aluminium section bar rigidity detection device of precision - Google Patents
The accurate aluminium section bar rigidity detection device of precision Download PDFInfo
- Publication number
- CN206740555U CN206740555U CN201720429950.5U CN201720429950U CN206740555U CN 206740555 U CN206740555 U CN 206740555U CN 201720429950 U CN201720429950 U CN 201720429950U CN 206740555 U CN206740555 U CN 206740555U
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- CN
- China
- Prior art keywords
- test bar
- change
- aluminium section
- annular sleeve
- section bar
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of accurate aluminium section bar rigidity detection device of precision, including test bar, annular sleeve and equally distributed 3 support arms, one end of the test bar is provided with pressure head, the upper end of the support arm is hinged with annular sleeve, the STATEMENT OF FEDERALLY SPONSORED for each support arm synchronous hunting that links is additionally provided with the test bar, the STATEMENT OF FEDERALLY SPONSORED includes change, change is rotatablely connected with test bar, even circumferential is provided with 3 connecting rods in the change, locking nut and holding nut one are respectively equipped with the upper and lower surface of the change, integrally formed with collar stop on the test bar, holding nut two is provided with the lower surface of annular sleeve, the one end of the support arm away from annular sleeve is fixed with contact.The utility model is provided suitable for various measuring environments and a kind of higher accurate aluminium section bar rigidity detection device of precision of measurement result accuracy.
Description
Technical field
A kind of metal hardness detecting instrument is the utility model is related to, specifically, it is related to a kind of accurate aluminium of precision
Section bar rigidity detection device.
Background technology
Measured on metal hardness, Lei Aomuer proposes the definition of hardness earliest：Represent that material resists hard object and is pressed into it
The ability on surface.It is one of important performance indexes of metal material, and the hardness of common metal is higher to mean its wearability more
It is good.
With the continuous lifting of technical strength, portable aluminium section bar hardness detecting instrument is widely popularized, and it is using inner
Family name's hardness measurement it is remote, Richter scale, Bu Shi, Rockwell and Vickers equal hardness value can be directly read, have that measuring accuracy is high, volume
It is small, operate easy, easy to carry and measurement range it is wide the advantages that.But during the aluminium section bar hardness detecting instrument use, pressure
Head and aluminium section bar to be detected will keep plumbness to obtain relatively accurate measurement data, due to aluminium section bar to be detected
Different height or angle are often positioned over, causes pressure head and aluminium section bar to be detected to keep plumbness, so that surveying
Larger deviation be present in amount data and real data.
In view of the above-mentioned problems, the utility model patent that China Patent Publication No. is CN205981952U discloses one kind precisely
Accurate aluminium section bar hardness detecting instrument, including test bar are spent, one end of test bar is provided with the pressure for being used for contacting aluminium section bar to be detected
Head, finite place piece is covered on test bar, locating part is located at one end that test bar carries pressure head, and locating part is combined with for causing pressure head
All the time the servicing unit vertical with aluminium section bar to be detected, locating part limitation servicing unit are axially moved along test bar, servicing unit
Including annular sleeve, annular is outward extended with some first support arms, and first support arm is hinged with second support arm, and second support arm is fixed with use
In the contact contacted with aluminium section bar to be detected.
Above-mentioned technical proposal limits servicing unit by locating part and is axially moved along test bar, and ensures in servicing unit
Contact can keep contacting with aluminium shape surface all the time, while adjust ram shaft by the second support arm be hinged with first support arm
To motion ensure that pressure head is vertical with aluminium shape surface to be detected all the time；In the program due to each second support arm respectively with phase
The first support arm answered is hinged, in use, it is difficult to ensure that each second support arm state in which is consistent, such as when wherein two
When individual second support arm and the inclination angle difference of aluminium shape surface to be detected, it can not just ensure test bar all the time perpendicular to aluminium to be detected
The surface of section bar, and then cause testing result larger deviation to be present.
Utility model content
The purpose of this utility model is to provide a kind of accurate aluminium section bar rigidity detection device of precision, by means of being arranged at
The STATEMENT OF FEDERALLY SPONSORED of each support arm of linkage on test bar, substantially increase the accuracy of testing result.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of precision is accurate
Aluminium section bar rigidity detection device, including test bar, annular sleeve and equally distributed 3 support arms, one end of the test bar is set
There is pressure head, upper end and the annular sleeve of the support arm are hinged, and are additionally provided with the test bar and are synchronously put for each support arm that links
Dynamic STATEMENT OF FEDERALLY SPONSORED.
By using above-mentioned technical proposal, can be hinged with annular sleeve by means of the STATEMENT OF FEDERALLY SPONSORED on test bar 3
Support arm can synchronous hunting, because each support arm physical dimension is completely the same in theory, thus each support arm with it is to be checked
The inclination angle surveyed between aluminium section bar is exactly like, simultaneously because test bar has also extended through 3 while through the annular sleeve center of circle
The center of circle for the circumference that support arm lower end is formed, so as to which test bar and pressure head can carry all the time perpendicular to aluminium section bar to be detected
The high accuracy of testing result.
The utility model is further arranged to：The STATEMENT OF FEDERALLY SPONSORED includes change, and change is rotatablely connected with test bar, described turn
Even circumferential is provided with 3 connecting rods on ring, and one end and the change of three connecting rods are hinged, and three connecting rods are away from change
One end corresponds be hinged with three support arms.
By using above-mentioned technical proposal, when user rotates change, change can be driven by 3 connecting rods be hinged with it
Move 3 support arms synchronously to open or reclaim towards test bar, before 3 support arms are consistent with test bar initial settling angle degree
Put, 3 support arms in use can be always consistent with the angle of inclination of aluminium shape surface to be detected, so as to work as
User rotates change and causes each support arm synchronously during opening, and test bar and pressure head can decline therewith, until pressure head is proper
Contradict on the surface of aluminium section bar to be detected well, now test bar and pressure head are exactly perpendicular to the surface of aluminium section bar to be detected, save
Unnecessary adjustment has been gone to operate.
The utility model is further arranged to：Locking nut and holding nut are respectively equipped with the upper and lower surface of the change
One, the locking nut and holding nut one are threaded with test bar.
By using above-mentioned technical proposal, holding nut one can play a supporting role to change, while when user pine
During open locking nut, change can rotate around test bar, and when pressure head is contradicted on the surface of aluminium section bar to be detected just
When, locking nut is tightened, and change can not be rotated further, and 3 be hinged connecting rods are stopped swinging therewith, and each support arm is being locked
It will not continue to swing under the limitation of nut, avoid test bar from losing the support of support arm and topple over.
The utility model is further arranged to：Rubber washer, the rubber blanket are provided between the change and locking nut
Snare is on test bar.
It is consistent in locking nut screwing degree by means of rubber washer by using above-mentioned technical proposal, i.e. locking nut
In the case of the normal pressure identical of change, because the coefficient of friction of rubber washer is larger, locking of the locking nut to change is imitated
Fruit is even more ideal.
The utility model is further arranged to：Integrally formed with collar stop, the following table of collar stop on the test bar
Face is abutted with the upper surface of annular sleeve, and holding nut two is provided with the lower surface of annular sleeve.
By using above-mentioned technical proposal, by means of the collar stop being respectively arranged at annular sleeve upper and lower surface and support
Nut two, annular sleeve can be limited on test bar in defined location, while utilize holding nut two and test bar screw thread
The connected mode of connection, it is easy to the dismounting of annular sleeve.
The utility model is further arranged to：It is removably connected between the annular sleeve and test bar for the detection that links
The key of rod and annular sleeve.
By using above-mentioned technical proposal, by means of the key being arranged between annular sleeve and test bar so that annular sleeve energy
Enough and test bar synchronous axial system, avoid annular sleeve during 3 support arms synchronously open or reclaimed and occur on test bar
Rotation.
The utility model is further arranged to：The one end of the support arm away from annular sleeve is fixed with contact.
By using above-mentioned technical proposal, each support arm is remained by the surface of contact and aluminium section bar to be detected and connect
Touch.
Preferably, contact uses quality of rubber materials, and the coefficient of friction of quality of rubber materials is larger, so as to be contradicted when contact to be detected
When on aluminium shape surface, each support arm can be avoided to be slid on aluminium shape surface to be detected.
The utility model is further arranged to：The contact structure spherical in shape.
By using above-mentioned technical proposal, contact is arranged to spherical structure, when contact and aluminium shape surface to be detected support
When touching, no matter each support arm with respect to test bar opening angle to be much, the distance of aluminium shape surface to be detected and the contact centre of sphere
The consistently equal to radius of contact, so as to ensure that each support arm lower end is equal with the distance between aluminium shape surface to be detected,
So that annular sleeve and change are at horizontality just, and then it ensure that pressure head can be all the time perpendicular to aluminium section bar to be detected
Surface, improve the accuracy of testing result.
In summary, the utility model has the advantages that：
1st, connecting rod using the change being rotationally connected with test bar and simultaneously be hinged with change and support arm so that turn
Ring can drive each support arm synchronously to open or withdraw by means of each connecting rod, be equipped with each support arm lower end in soccer star's
Rubber contact, it is ensured that test bar and pressure head can substantially increase detection knot all the time perpendicular to the surface of aluminium section bar to be detected
The accuracy of fruit.
2nd, because the utility model using the change and corresponding connecting rod that are rotationally connected with test bar drives each
Brace synchronous hunting, essentially correspond to link each support arm, therefore no matter aluminium section bar to be detected is in horizontal, perpendicular
Straight or heeling condition, the utility model can carry out hardness determination to it, that is, mean that the utility model is applied to a variety of surveys
Environment is measured, practicality greatly improves.
Brief description of the drawings
Fig. 1 is that the present embodiment is mainly used in embodying integrally-built axonometric schematic diagram；
Fig. 2 is the structural representation that the present embodiment is mainly used in embodying test bar；
Fig. 3 is the diagrammatic cross-section that the present embodiment is mainly used in embodying test bar；
Fig. 4 is the structural representation that the present embodiment is mainly used in embodying change.
Reference：1st, electronic instrument；2nd, test bar；201st, pressure head；3rd, annular sleeve；4th, collar stop；5th, holding nut
Two；6th, support arm；601st, contact；7th, key；8th, change；9th, locking nut；10th, holding nut one；11st, rubber washer；12nd, even
Bar；13rd, STATEMENT OF FEDERALLY SPONSORED.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to accompanying drawing 1, the accurate aluminium section bar rigidity detection device of precision includes electronic instrument 1, and electronic instrument 1 is logical
Cross data wire and be connected with test bar 2, one end of test bar 2 is extended with pressure head 201, and pressure head 201 is used for and aluminium section bar to be detected connects
Touch and leave impression in aluminium shape surface to be detected, the hardness of aluminium section bar is drawn referring next to detection table, when pressure head 201 is with treating
When detection aluminium shape surface keeps vertical, test bar 2 will not just produce component to the power of pressure head 201, and then ensure whole pressures
Power all acts on the surface of aluminium section bar to be detected by pressure head 201, and this caused impression is most accurate, obtained measurement number
Amount is also accurate.
Referring to accompanying drawing 2, the lower end of test bar 2 is provided with annular sleeve 3 at pressure head 201, and annular sleeve 3 is sheathed on test bar 2,
Collar stop 4 is provided with the upper surface of annular sleeve 3, collar stop 4 is integrally formed with test bar 2, and the lower surface of collar stop 4
Abutted with the upper surface of annular sleeve 3；Holding nut 25 is provided with the lower surface of annular sleeve 3, holding nut 25 is threadedly connected to
On test bar 2, and supporting role is served to annular sleeve 3；Survey circumference the week of annular sleeve 3 and be provided with 3 support arms, 6,3 supports
Arm 6 is evenly distributed, and the upper end of each support arm 6 and the upper end of annular sleeve 3 are hinged so that each support arm 6 can put down vertically
Around its be hinged spot wobble with annular sleeve 3 in face.
The lower end of above-mentioned each support arm 6 is each stained with a contact 601, and contact 601 uses quality of rubber materials, and spherical in shape
Structure.
Referring to accompanying drawing 3, key 7 is provided between above-mentioned annular sleeve 3 and test bar 2, the two is connected and realized by key 7
Both linkages, avoid rotation of the annular sleeve 3 on test bar 2.
Referring to accompanying drawing 2-4, the lower section of above-mentioned annular sleeve 3 is provided with change 8, and change 8 is sheathed on test bar 2, and change 8
Locking nut 9 and holding nut 1 are respectively equipped with upper and lower surface, locking nut 9 and holding nut 1 are threadedly connected to
On test bar 2, wherein one 10 pairs of changes 8 of holding nut serve supporting role, and rubber is provided between locking nut 9 and change 8
Packing ring 11, rubber washer 11 are sheathed on test bar 2, and locking nut 9 is pressed on by rubber washer 11 just after being tightened to be turned
On ring 8, so as to limit being rotated further for change 8.
Referring to accompanying drawing 2, the upper circumference of week survey of above-mentioned change 8 is provided with 3 connecting rods, 12,3 connecting rods 12 and is evenly distributed, and
Each connecting rod 12 is be hinged close to one end of change 8 and change 8, so that each connecting rod 12 can be in the horizontal plane around itself and change 8
Be hinged spot wobble；The one end of each connecting rod 12 away from change 8, which corresponds, to be hinged on support arm 6；When change 8 rotates, turn
Ring 8 can drive 3 support arms 6 around each support arm 6 and the be hinged spot wobble of annular sleeve 3 by 3 connecting rods 12, so as to realize 3
The synchronous of individual support arm 6 is opened or withdrawn.
Above-mentioned change 8 and 3 connecting rods 12 together form the STATEMENT OF FEDERALLY SPONSORED 13 for each support arm 6 that links.
The operation principle of the present embodiment is：Treated in use, test bar 2 is positioned over by user by 3 support arms 6 first
On the aluminium section bar of detection so that the contact 601 of each lower end of support arm 6 remains conflict with aluminium section bar to be detected, then, uses
Person rotates change 8 and causes each support arm 6 is synchronous to open, while test bar 2 declines, until the pressure head 201 of the lower end of test bar 2 is just
Contradict on aluminium shape surface to be detected；Now, test bar 2 and pressure head 201 are exactly perpendicular to the surface of aluminium section bar to be detected.
After completing aforesaid operations, user somewhat unclamps locking nut 9 on the premise of ensuring that test bar 2 will not topple over,
And applying pressure straight down to pressure head 201 by test bar 2, pressure head 201 under the effect of the pressure can be by aluminium to be detected
The surface of section bar extrudes impression, final to coordinate detection table to obtain the accurate measurement data of aluminium section bar hardness.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of accurate aluminium section bar rigidity detection device of precision, including test bar（2）, annular sleeve（3）With equally distributed 3
Individual support arm（6）, the test bar（2）One end be provided with pressure head（201）, it is characterized in that：The support arm（6）Upper end and ring
Shape set（3）It is be hinged, the test bar（2）On be additionally provided with for linking each support arm（6）The STATEMENT OF FEDERALLY SPONSORED of synchronous hunting（13）.
2. the accurate aluminium section bar rigidity detection device of precision according to claim 1, it is characterized in that：The STATEMENT OF FEDERALLY SPONSORED
（13）Including change（8）, change（8）With test bar（2）Rotation connection, the change（8）Upper even circumferential is provided with 3 connecting rods
（12）, three connecting rods（12）One end and change（8）It is be hinged, three connecting rods（12）Away from change（8）One end with
Three support arms（6）Correspond be hinged.
3. the accurate aluminium section bar rigidity detection device of precision according to claim 2, it is characterized in that：The change（8）
Upper and lower surface at be respectively equipped with locking nut（9）With holding nut one（10）, the locking nut（9）With holding nut one
（10）And test bar（2）It is threaded.
4. the accurate aluminium section bar rigidity detection device of precision according to claim 3, it is characterized in that：The change（8）
With locking nut（9）Between be provided with rubber washer（11）, the rubber washer（11）It is sheathed on test bar（2）On.
5. the accurate aluminium section bar rigidity detection device of precision according to claim 1, it is characterized in that：The test bar
（2）On integrally formed with collar stop（4）, collar stop（4）Lower surface and annular sleeve（3）Upper surface abut, annular sleeve
（3）Lower surface at be provided with holding nut two（5）.
6. the accurate aluminium section bar rigidity detection device of precision according to claim 5, it is characterized in that：The annular sleeve
（3）With test bar（2）Between be removably connected with for linking test bar（2）And annular sleeve（3）Key（7）.
7. the accurate aluminium section bar rigidity detection device of precision according to claim 1, it is characterized in that：The support arm
（6）Away from annular sleeve（3）One end be fixed with contact（601）.
8. the accurate aluminium section bar rigidity detection device of precision according to claim 7, it is characterized in that：The contact
（601）Structure spherical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429950.5U CN206740555U (en) | 2017-04-21 | 2017-04-21 | The accurate aluminium section bar rigidity detection device of precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429950.5U CN206740555U (en) | 2017-04-21 | 2017-04-21 | The accurate aluminium section bar rigidity detection device of precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740555U true CN206740555U (en) | 2017-12-12 |
Family
ID=60560733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720429950.5U Expired - Fee Related CN206740555U (en) | 2017-04-21 | 2017-04-21 | The accurate aluminium section bar rigidity detection device of precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206740555U (en) |
-
2017
- 2017-04-21 CN CN201720429950.5U patent/CN206740555U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20190421 |