CN205981952U - Aluminium alloy hardness detector that precision is accurate - Google Patents
Aluminium alloy hardness detector that precision is accurate Download PDFInfo
- Publication number
- CN205981952U CN205981952U CN201620800189.7U CN201620800189U CN205981952U CN 205981952 U CN205981952 U CN 205981952U CN 201620800189 U CN201620800189 U CN 201620800189U CN 205981952 U CN205981952 U CN 205981952U
- Authority
- CN
- China
- Prior art keywords
- section bar
- aluminium section
- annular
- pressure head
- detecting instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an aluminium alloy hardness detector that precision is accurate, including detecting the stick, it is equipped with the pressure head that is used for the contact to wait to detect the aluminium alloy to detect excellent one end, it has the locating part to detect the excellent cover of going up, the locating part is located the one end that detects the stick and have the pressure head, locating part cooperation have be used for making the pressure head all the time with wait to detect aluminium alloy vertically auxiliary device, locating part restriction auxiliary device is along detecting shaft to the motion, auxiliary device is including the annular cover, the outside extension of annular has a plurality of first support arms, first support arm articulates there is the second support arm, the second support arm is fixed with the contact that is used for and waits to detect the aluminium alloy contact, be applicable to different measuring ring borders through auxiliary device, improve measured data's accuracy.
Description
Technical field
The utility model is related to hardness determination field, particularly to a kind of precision accurate aluminium section bar hardness detecting instrument.
Background technology
Metal hardness measurement proposes hardness by Lei Aomuer earliest and defines:Represent that material is resisted hard object and is pressed into its surface
Ability.It is one of important performance indexes of metal material.General hardness is higher, and wearability is better.
Existing aluminium section bar hardness detecting instrument is primarily adapted for use in the hardness of test metal material, has measuring accuracy height, volume
Little, processing ease, easy to carry, the wide feature of measurement range, it is with lee ' hardness as principle, directly reads Richter scale, Bu Shi,
Rockwell, Vickers, Shore equal hardness value.Because pressure head and aluminium section bar to be detected will keep the data just meeting of measurement under plumbness
Accurately, because aluminium section bar to be detected just can be positioned over different height or angle, pressure head and aluminium section bar to be detected are led to not
Plumbness can be kept, between measurement data and real data, produce very large deviation.
Utility model content
The purpose of this utility model is to provide a kind of precision accurate aluminium section bar hardness detecting instrument, by servicing unit
To be applied to different measuring environment, to improve the accuracy of measurement data.
Above-mentioned purpose of the present utility model technical scheme is that:A kind of accurate aluminium profiles of precision
Material hardness detecting instrument, including test bar, test bar one end is provided with the pressure head for contacting aluminium section bar to be detected, and test bar is cased with
Locating part, locating part be located at test bar carry pressure head one end, locating part be combined with for make pressure head all the time with aluminium to be detected
The vertical servicing unit of section bar, locating part limits servicing unit along test bar axially-movable, and servicing unit includes annular sleeve, annular
Be outward extended with some first support arms, first support arm is hinged with second support arm, second support arm be fixed with for aluminium profiles to be detected
The contact of material contact.
By adopting technique scheme, the pressure head of test bar is used for contacting with aluminium section bar to be detected, by servicing unit
Setting so that pressure head and aluminium section bar to be detected is remained and be vertically arranged.Servicing unit is enclosed within locating part, and locating part is fixed on
Test bar carries one end of pressure head.Locating part is used for limiting servicing unit along test bar axially-movable it is ensured that servicing unit can be drunk
Aluminium section bar to be detected keeps contact.Servicing unit passes through contact and aluminium shape surface to be detected and conflicts, by first support arm and the
The hinged motion to adjust pressure head axial direction of two support arms, ensure that pressure head hangs down all the time with aluminium shape surface to be detected all the time simultaneously
Directly.
Preferably, contact is section isosceles trapezoidal structure, and the sectional area of one side that contact contacts with aluminium section bar to be detected
Than with second support arm, the sectional area of fixing one side is big.
By adopting technique scheme, contact contacts with aluminium shape surface to be detected, in order to prevent servicing unit and treat
Detection aluminium section bar occurs relatively to slide, and contact section is set to isosceles trapezoid, the surface of the one side contacting with aluminium section bar to be detected
Amass as maximum to increase frictional force.
Preferably, contact is made up of the rubber with frictional force.
By adopting technique scheme, rubber has good frictional force so that contact will not be with aluminium section bar to be detected
Occur relatively to slide, so that servicing unit and aluminium section bar to be detected is tightly fit together in order to pressure head and aluminium to be detected simultaneously
Section bar is in plumbness.
Preferably, locating part includes stop collar, and stop collar is fixed on one end that test bar carries pressure head, and stop collar is remote
One end of tripping head is provided with annular stop block.
By adopting technique scheme, locating part is used for limiting the axially-movable of servicing unit, in order to prevent auxiliary dress
Put axially-movable, locating part realizes this purpose by arranging annular stop block.Servicing unit passes through stop collar, and stop collar is solid
It is scheduled on test bar, then servicing unit and annular stop block abut, when test bar works, pressure head and aluminium to be detected
When section bar is conflicted, servicing unit is also to contact with aluminium section bar to be detected simultaneously, and pressure head has proal trend,
Servicing unit has the trend of rearward movement, and annular stop block limits the trend that servicing unit occurs this motion.
Preferably, stop collar and annular stop block are integrated setting and form.
By adopting technique scheme, in order to improve the tightness of the connection of stop collar and annular stop block, both
It is wholely set, the locating part being wholely set has good tightness.
Preferably, the stop collar other end has screw thread, and the stop collar between annular stop block and screw thread is cone-shaped, institute
State cone-shaped stop collar part from annular stop block to screw thread at be obliquely installed.
By adopting technique scheme, the stop collar part of cone-shaped is used for and the annular sleeve of servicing unit is socketed, and
And quickly realize the quick separating between annular sleeve and stop collar and installation, cone-shaped stop collar part is from annular stop block
It is obliquely installed also for realizing purpose in this at screw thread.
Preferably, stop collar has been threaded connection nut, and nut one end tilts from top to bottom, and nut one end is wrapped with
Soft material.
By adopting technique scheme, nut is used for the trend that the annular sleeve of position limit auxiliary device drops downwards, but
In order to prevent the abrasion of first support arm that nut contacts with first support arm and cause, one end that nut contacts with first support arm tilts
Setting, can avoid first support arm being caused extrude, and simultaneously in one layer of soft material of inclined side outer wrapping, replace spiral shell with soft contact
Female hard contact.
Preferably, stop collar and annular stop block are made up of PP material.
By adopting technique scheme, PP material has nontoxic, tasteless, and density is little, the good spy of intensity, rigidity, hardness
Point, can use at 100 DEG C about.There is good dielectric properties and high-frequency insulation and do not affected by humidity, common acid, alkali
Almost inoperative to it Deng organic solvent.
Preferably, one end that annular stop block contacts with annular sleeve is stained with annular gasket, and annular gasket is by metal material
Make.
By adopting technique scheme, because annular stop block has certain elasticity, in measurement process in order to
Avoid measurement data that mistake, the annular gasket being made up of metal material of fitting, annular gasket generation are produced on annular stop block
Contact with annular sleeve for annular stop block, the annular gasket due to being made up of metal material has anti-deformation function very well, subtracts
Lack the improper measure error to measurement data.
In sum, by arranging servicing unit, test bar ensures that pressure head and aluminium shape surface to be detected remain
Vertical it is ensured that the precision of measurement data.
Brief description
Fig. 1 is precision accurate aluminium section bar hardness detecting instrument structural representation;
Fig. 2 is the cross-sectional view of precision accurate aluminium section bar hardness detecting instrument;
Fig. 3 is the structural representation of nut.
Reference:1st, test bar;2nd, pressure head;3rd, locating part;31st, stop collar;32nd, annular stop block;4th, auxiliary dress
Put;41st, annular sleeve;42nd, first support arm;43rd, second support arm;44th, contact;5th, nut;6th, soft material;7th, annular gasket.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, 2, the accurate aluminium section bar hardness detecting instrument of a kind of precision, including test bar 1, and electronic instrument with
And connect both data wires.Test bar 1 one end is setting pressure head 2, and pressure head 2 is used for contacting with aluminium section bar to be detected and leading to
Cross and leave impression in aluminium shape surface to be detected, to draw the hardness of aluminium section bar with reference to detection table.Only pressure head 2 and aluminium to be detected
In the state of Surface of profile keeps vertical, test bar 1 could be made will not to produce component to the power of pressure head 2 it is ensured that whole power
All pass through pressure head 2 and all act on aluminium shape surface to be detected, the impression of generation is accurate, and the measurement data obtaining is also the most smart
True.
Test bar 1 is fixedly installed locating part 3 in the one end with pressure head 2, and locating part 3 includes stop collar 31, annular stop
Block 32, stop collar 31 and annular stop block 32 are wholely set and form, and both be nested on test bar 1 and tightly fixing
On its surface.Stop collar 31 is used for and the annular sleeve 41 of servicing unit 4 coordinates, and realizes axial direction on test bar 1 for the servicing unit 4
Motion, annular stop block 32 is used for limiting annular sleeve 41 axially-movable, because when pressure head 2 moves downward, servicing unit 4
Have the trend moved upwards.Servicing unit 4 includes the first support arm 42 being arranged on annular sleeve 41 outside, and first support arm 42 is cut with scissors
Connect second support arm 43, second support arm 43 tail end arranges contact 44, contact 44 and aluminium section bar to be detected are conflicted.First support arm 42 and
The hinged surface angle for adjusting pressure head 2 and aluminium section bar to be detected of two support arms 43, is adjusted to upright position.Contact 44 section
For isosceles trapezoidal structure, and the sectional area of the one side contacting with aluminium section bar to be detected be more than and second support arm 43 fixation one
Face sectional area, purpose is exactly that increase to increase friction area with the contact area of aluminium section bar to be detected, and contact 44 adopts rubber simultaneously
Glue material is made, and the contact 44 of so setting is provided with the frictional force of rubber, it is to avoid produce relative slip with aluminium section bar to be detected,
Lead to the surface out of plumb of pressure head 2 and aluminium section bar to be detected, cause measurement data mistake.
As shown in Fig. 2 because annular stop block 32 has certain elasticity, in order to avoid measuring number in measurement process
According to producing mistake, the annular gasket 7 being made up of metal material of fitting on annular stop block 32, annular gasket 7 replaces annular
Positive stop 32 contacts with annular sleeve 41, and the annular gasket 7 due to being made up of metal material has anti-deformation function very well, reduces
Improper measure error to measurement data.
The part that stop collar 31 contacts with annular sleeve 41 from annular stop block 32 to pressure head 2 at be obliquely installed, be easy to ring
Shape set 41 and the quick assembly and disassembly of stop collar 31.Stop collar 31 being threaded near the side of pressure head 2, by screw thread and
Nut 5 is fixedly connected, and realizes the fixation to annular sleeve 41, that is, the fixation to servicing unit 4.
As shown in Figure 2,3, nut 5 is obliquely installed from top to bottom in the one end near annular sleeve 41, and wraps at inclination
Wrap up in soft material 6 to avoid first support arm 42 being caused damage.Stop collar 31 and annular stop block 32 are made up of PP material, PP
Material has nontoxic, tasteless, and density is little, the good feature of intensity, rigidity, hardness, can use at 100 DEG C about.Have good
Dielectric properties and high-frequency insulation and do not affected by humidity, the organic solvent such as common acid, alkali is almost inoperative to it.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (9)
1. the accurate aluminium section bar hardness detecting instrument of a kind of precision, including test bar(1), described test bar(1)One end is provided with use
In the pressure head contacting aluminium section bar to be detected(2), it is characterized in that:Described test bar(1)Above cover finite place piece(3), described locating part
(3)Positioned at test bar(1)With pressure head(2)One end, described locating part(3)It is combined with for making pressure head(2)All the time and treat
The vertical servicing unit of detection aluminium section bar(4), described locating part(3)Limit servicing unit(4)Along test bar(1)Axially-movable,
Described servicing unit(4)Including annular sleeve(41), described annular is outward extended with some first support arms(42), described first support arm
(42)It is hinged with second support arm(43), described second support arm(43)It is fixed with the contact for contacting with aluminium section bar to be detected
(44).
2. the accurate aluminium section bar hardness detecting instrument of precision according to claim 1, is characterized in that:Described contact(44)For
Section isosceles trapezoidal structure, and contact(44)The face sectional area ratio contacting with aluminium section bar to be detected and second support arm(43)Fixing
One side sectional area big.
3. the accurate aluminium section bar hardness detecting instrument of precision according to claim 2, is characterized in that:Described contact(44)By
The rubber with frictional force is made.
4. the accurate aluminium section bar hardness detecting instrument of precision according to claim 1, is characterized in that:Described locating part(3)
Including stop collar(31), described stop collar(31)It is fixed on test bar(1)With pressure head(2)One end, and stop collar(31)?
Away from pressure head(2)One end be provided with annular stop block(32).
5. the accurate aluminium section bar hardness detecting instrument of precision according to claim 4, is characterized in that:Described stop collar(31)
With annular stop block(32)It is integrated setting to form.
6. the accurate aluminium section bar hardness detecting instrument of precision according to claim 5, is characterized in that:Described stop collar(31)
The other end has screw thread, annular stop block(32)Stop collar and screw thread between(31)For cone-shaped, described cone-shaped is spacing
Set(31)From annular stop block(32)It is obliquely installed at screw thread.
7. the accurate aluminium section bar hardness detecting instrument of precision according to claim 6, is characterized in that:Described stop collar(31)
It has been threaded connection nut(5), described nut(5)One end tilts from top to bottom, described nut(5)One end is wrapped with software
Material(6).
8. the accurate aluminium section bar hardness detecting instrument of precision according to claim 5, is characterized in that:Described stop collar(31)
With annular stop block(32)It is made up of PP material.
9. the accurate aluminium section bar hardness detecting instrument of precision according to claim 8, is characterized in that:Described annular stop gear
Block(32)And annular sleeve(41)One end of contact is stained with annular gasket(7), described annular gasket(7)It is made up of metal material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620800189.7U CN205981952U (en) | 2016-07-27 | 2016-07-27 | Aluminium alloy hardness detector that precision is accurate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620800189.7U CN205981952U (en) | 2016-07-27 | 2016-07-27 | Aluminium alloy hardness detector that precision is accurate |
Publications (1)
Publication Number | Publication Date |
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CN205981952U true CN205981952U (en) | 2017-02-22 |
Family
ID=58027886
Family Applications (1)
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CN201620800189.7U Expired - Fee Related CN205981952U (en) | 2016-07-27 | 2016-07-27 | Aluminium alloy hardness detector that precision is accurate |
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CN (1) | CN205981952U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110411592A (en) * | 2019-08-28 | 2019-11-05 | 广州计量检测技术研究院 | Standard thermometer measurement servicing unit and its application method |
CN112525669A (en) * | 2021-01-04 | 2021-03-19 | 中交国通公路工程技术有限公司 | Resiliometer with perpendicular auxiliary function |
-
2016
- 2016-07-27 CN CN201620800189.7U patent/CN205981952U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110411592A (en) * | 2019-08-28 | 2019-11-05 | 广州计量检测技术研究院 | Standard thermometer measurement servicing unit and its application method |
CN112525669A (en) * | 2021-01-04 | 2021-03-19 | 中交国通公路工程技术有限公司 | Resiliometer with perpendicular auxiliary function |
CN112525669B (en) * | 2021-01-04 | 2023-09-26 | 中交国通公路工程技术有限公司 | Resiliometer with perpendicular auxiliary function |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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: 20170222 Termination date: 20200727 |