CN207586056U - A kind of Leeb Hardness Tester for measuring curved surface hardness - Google Patents
A kind of Leeb Hardness Tester for measuring curved surface hardness Download PDFInfo
- Publication number
- CN207586056U CN207586056U CN201721740082.9U CN201721740082U CN207586056U CN 207586056 U CN207586056 U CN 207586056U CN 201721740082 U CN201721740082 U CN 201721740082U CN 207586056 U CN207586056 U CN 207586056U
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- curved surface
- detection pen
- clamping piece
- slot
- leeb
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Abstract
The utility model discloses a kind of Leeb Hardness Testers for measuring curved surface hardness, it solves for the symmetroids workpiece such as pipeline common in on-the-spot test, the problem of being often difficult to control the verticality of Leeb Hardness Tester, measurement error caused to increase, its key points of the technical solution are that：The detection pen for including reader and being connect with reader, centering clamp is arranged on the detection pen, the centering clamp includes two clamping pieces being connected to for the sliding component that wears of detection pen and sliding on sliding component, the gripping channel being embedded for pipeline is formed between two clamping pieces, connection clamping piece is offered on the sliding component with detecting the loose slot of pen, the two coefficient of elasticity spring consistent with length is provided in the loose slot, two springs are separately positioned between detection pen and clamping piece, make detection pen vertical with curved surface endpoint, improve the universal adaptability of Leeb Hardness Tester.
Description
Technical field
The utility model is related to hardness determination, more particularly to a kind of Leeb Hardness Tester for measuring curved surface hardness.
Background technology
Leeb Hardness Tester has a wide range of applications in measurement steel class product surface hardness area, portability and non-demolition
Property test the advantages of the person of being applied generally accreditation, the bearing that existing Leeb Hardness Tester percussion mechanism and measuring surface are in direct contact
Ring is mainly square and circular configuration, and above structure can be played when measuring plane and spherical surface hardness stablizes support impact dress
The effect put, but the shake of percussion mechanism is be easy to cause when measuring irregular curved surface hardness, so as to influence Leeb Hardness Tester
Measurement accuracy.
It is found by live practical operation, the operation generated often with Site Detection personnel of the error of Leeb Hardness Tester has
Certain relationship in detection process, needs to ensure that bulb impacts surface to be measured with vertical direction, this needs testing staff voluntarily to control
The direction of Leeb Hardness Tester, for the symmetroids workpiece such as pipeline common in on-the-spot test, it tends to be difficult to control lee ' hardness
The verticality of meter, causes measurement error to increase.
Utility model content
The purpose of this utility model is to provide a kind of Leeb Hardness Tester for measuring curved surface hardness, makes detection pen and curved surface endpoint
Vertically, the universal adaptability of Leeb Hardness Tester is improved.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of Leeb Hardness Tester for measuring curved surface hardness, the detection pen for including reader and being connect with reader, institute
It states and centering clamp is arranged on detection pen, the centering clamp includes the sliding component that detection pen is supplied to wear and sliding is connected to
Two clamping pieces on sliding component are formed with the gripping channel being embedded for pipeline between two clamping pieces, are offered on the sliding component
It connects clamping piece and is provided with the two coefficient of elasticity spring consistent with length with detecting the loose slot of pen, in the loose slot, two
The spring is separately positioned between detection pen and clamping piece.
By using above-mentioned technical proposal, two clamping pieces slide on sliding component to be pressed from both sides according to the adjusting two of different tube diameters
The distance between gripping member, so as to have the function that clamping pipeline, will detection pen be threaded through two clamping pieces between, due to detection pen with
There are the springs that coefficient of elasticity is consistent between clamping piece, and two springs force in detection pen respectively, in the state of stress balance,
Detection pen can be located exactly between two clamping pieces, played the effect of centering, enable detection pen downward in pipeline center position
Detection, so as to achieve the effect that the accuracy of reading measured with pipeline vertical detection, raising Leeb Hardness Tester.
It is opened preferably, the loose slot includes the locating slot being embedded for spring and connection locating slot with the two of outside
Mouth slot, two open slots set the positive stop strip of restricted clamping pieces abjection locating slots.
By using above-mentioned technical proposal, locating slot can be embedded for clamping piece, and the design of positive stop strip can avoid clamping
Part is deviate from from locating slot, and when clamping piece is connected in loose slot, due to the cause not of uniform size of locating slot and open slot, works as folder
When gripping member is embedded in slot, clamping piece can be avoided to rotate, and then clamping piece is enable to remain vertical with sliding component
State, further improve the stability in clamping process.
Preferably, being both provided with locating piece between two springs and detection pen, ammunition feed is provided on the locating piece
The spring base that spring is arranged.
By using above-mentioned technical proposal, the design of locating piece makes spring be connected on locating piece, direct compared to spring
It is connected on detection pen, spring base is provided on locating piece, can be used in the positioning of spring, make between spring and locating piece
Bearing surface more stablize, spring is avoided deflection occur, improves stability of the spring in telescopic process, make spring both sides by
Pressure is more nearly.
Preferably, two locating pieces symmetrically offer half arc slot, the two half arc slots have been enclosed for detection pen
The mistake slot worn.
By using above-mentioned technical proposal, two halves arc slot was spliced to form a slot, and crossing a slot can be more convenient in detection
Pen is worn, and is crossed a slot and can be connected to the circumferential direction of detection pen, is limited the circumferential sliding of detection pen, is improved locating piece pair
Detect the locating effect of pen.
Preferably, the centering clamp includes the sealing plate of closing locating slot both-side opening, the sealing plate is connected with control
The pilot pin of clamping piece sliding processed.
By using above-mentioned technical proposal, the design of pilot pin can realize the sliding of clamping piece, be controlled by pilot pin
The slip locations of clamping piece can avoid clamping piece from changing its initial position under the action of the spring, make the position stability of clamping piece
It improves.
Preferably, offering the connecting hole being threadedly coupled for sealing plate on the clamping piece, confession is offered on the sealing plate
The location hole of pilot pin original place rotation, the end set of the pilot pin have the handle of control pilot pin rotation.
By using above-mentioned technical proposal, the design of handle can facilitate the control of pilot pin, can by joystick
Achieve the purpose that rotational positioning bolt, so as to slide clamping piece Relative sliding part.
Preferably, the spring is set on pilot pin and is not contacted with pilot pin surface.
By using above-mentioned technical proposal, spring is set in the effect that retaining spring can be further functioned as on pilot pin,
And do not contacted with pilot pin surface can avoid in pilot pin rotation process drive spring pivotal and rub between spring,
The coefficient of elasticity of spring is avoided to be damaged.
Preferably, being linked with plumb line on two clamping pieces, offered on the clamping piece and clamping piece length
The parallel location graduation in direction and the angle index for detecting plumb line angle excursion.
By using above-mentioned technical proposal, the design of plumb line can be used in the vertical adjusting of two clamping pieces, make two clampings
Part can be parallel to each other.
In conclusion the utility model has the advantages that：
The Leeb Hardness Tester of the measure curved surface hardness is designed by clamping piece, can have the function that clamping pipeline, is being pressed from both sides
Gripping member connects setting coefficient of elasticity and the consistent spring of length straight with detecting, and two springs force in detection pen, put down in stress respectively
In the state of weighing apparatus, detection pen can be located exactly between two clamping pieces, play the effect of centering, detection pen is made to hang down with curved surface endpoint
Directly, the universal adaptability of Leeb Hardness Tester is improved.
Description of the drawings
Fig. 1 is a kind of overall structure diagram for the Leeb Hardness Tester for measuring curved surface hardness；
Fig. 2 is the overall structure diagram of centering clamp；
Fig. 3 be remove sliding component after centering clamp structure diagram；
Fig. 4 is the structure diagram of plumb line and angle index.
In figure, 1, reader；2nd, data line；3rd, pen is detected；4th, testee；5th, centering clamp；51st, sliding component；511、
Loose slot；5111st, locating slot；5112nd, open slot；512nd, positive stop strip；52nd, clamping piece；521st, slipping part；5211st, clamping block；
522nd, positioning region；523rd, plumb line；5231st, rope body；5232nd, gravity is bored；524th, location graduation；53rd, sealing plate；54th, pilot pin；
541st, handle；55th, locating piece；5511st, half arc slot；551st, a slot is crossed；552nd, spring base；56th, spring；6th, angle index.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig. 1, a kind of Leeb Hardness Tester for measuring curved surface hardness includes reader 1 and by data line 2 with reading
The detection pen 3 that number device 1 connects.The end and testee 4 (testee 4 is pipeline in the present embodiment) surface for detecting pen 3 are hung down
It directly touches, reader 1 is transmitted to by 3 data measured of pen is detected by data line 2, reading is shown on reader 1 and passes through people
Part work and part study takes, to complete the hardness determination of testee 4.Being arranged on detection pen 3 makes detection pen 3 be kept with 4 surface of testee
Vertical centering clamp 5.Centering clamp 5 includes the sliding component 51 that detection pen 3 is supplied to wear and sliding is connected to sliding component 51
On two clamping pieces 52.
Referring to Fig. 1 and Fig. 2, sliding component 51 offers the cuboid-type shell of loose slot 511 for middle part.Loose slot 511 wraps
It includes the locating slot 5111 being opened in along its length inside sliding component 51 and connection locating slot 5111 is vertical with sliding component 51
Two open slots 5112 of duct orientation both ends of the surface, detection pen 3 are threaded through by open slot 5112 on sliding component 51.Two open slots
5112 are located at the upper/lower terminal of locating slot 5111, and Formation cross-section is the flute profile of cross between locating slot 5111 respectively.Opening
The both sides of slot 5112 set the positive stop strip 512 of the restricted abjection of clamping piece 52 locating slot 5111.
Referring to Fig. 2 and Fig. 3, clamping piece 52 is connected to strip square column in loose slot 511 for sliding.Clamping piece 52 includes cunning
It moves the slipping part 521 being connected in loose slot 511 and the positioning region 522 for being clamped in 4 both sides of testee, slipping part 521 is
The cross being adapted with 511 shape of loose slot, and it is located at the top of open slot 5112 and sets restricted clamping piece 52 from opening
The clamping block 5211 of 5112 direction of mouth slot abjection loose slot 511, clamping block 5211 are connected to 512 surface of positive stop strip.Positioning region 522
It is linked with plumb line 523 along its length, plumb line 523, which includes, is connected to positioning region 522 close to 5112 one end of open slot
Rope body 5231 and be connected to rope body 5231 far from 5112 one end of open slot gravity cone 5232.It is also opened up on positioning region 522
There is the location graduation 524 consistent with 522 length direction of positioning region, protected by the angle between location graduation 524 and plumb line 523
Holding can unanimously make two clamping pieces 52 parallel to each other, be additionally provided with positioned at the junction of plumb line 523 and clamping piece 52 with the company
The place of connecing is engraved in the angle index 6 on clamping piece 52 for the center of circle, when clamping piece 52 is clamped on pipeline, passes through the angle index 6
The difference between plumb line 523 and location graduation 524 can be read, so as to calculate the deviant of fixture.
Referring to Fig. 2 and Fig. 3, the opening that sliding component 51 is located at locating slot 5111 is additionally provided with what limitation clamping piece 52 was deviate from
Sealing plate 53.It is connected through a screw thread between sealing plate 53 and sliding component 51.The middle part of sealing plate 53 offers location hole, and location hole is light
Hole；The connecting hole that same axis is in location hole is offered on the slipping part 521 of clamping piece 52, connecting hole is threaded hole.It is fixed
Pilot pin 54 that is being engaged with connecting hole and being rotated relative to connecting hole original place is equipped in position hole and connecting hole.Pilot pin 54
End set have control pilot pin 54 rotate handle 541.By the position for controlling 54 adjustable clamp gripping member 52 of pilot pin.
Referring to Fig. 2 and Fig. 3, loose slot 511 is additionally provided with two symmetrically arranged locating pieces 55 between two clamping pieces 52,
Locating piece 55 includes opposite two halves arc slot 5511, and two halves arc slot 5511 is enclosed mutually the mistake worn for detection pen 3
Slot 551 is clamping detection pen 3.55 reversed half arc slot 5511 of locating piece is simultaneously provided with spring base towards the end face of clamping piece 52
552.The consistent spring of coefficient of elasticity and length is both provided between the locating piece 55 of 3 both sides of detection pen and clamping piece 52
56.One end of spring 56 is set on 56 552, spring, the other end of spring 56 be set on pilot pin 54 but not with pilot pin
54 surface contacts and is fixed on slipping part 521.
When the Leeb Hardness Tester is used to detect conduit hardness, two clamping pieces 52 are placed in pipeline both sides first and are passed through
Handle 541 controls pilot pin 54 to rotate, and pilot pin 54 drives clamping piece 52 to be slided along 511 direction of loose slot, and observes two clampings
Location graduation 524 on part 52 makes angle between the two always consistent with plumb line 523, turns to clamping piece 52 and supports
The outer tube wall of pipeline is connected on, since the coefficient of elasticity of two springs 56 is consistent with length, under the elastic potential energy of two springs 56, two is fixed
Position block 55 is always positioned at the center position of two clamping pieces 52, and in the state of the stabilization of locating piece 55, detection pen 3 is worn by mistake
Slot 551, and pipe surface is contacted, verticality can be kept, therefore measured value is more smart with the curved surface of pipeline by detecting pen 3 at this time
Really.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of Leeb Hardness Tester for measuring curved surface hardness, includes reader (1) and the detection pen being connect with reader (1)
(3), which is characterized in that centering clamp (5) is arranged on the detection pen (3), the centering clamp (5) includes for detection pen
(3) sliding component (51) that wears and sliding are connected to two clamping pieces (52) on sliding component (51), between two clamping pieces (52)
The gripping channel being embedded for pipeline is formed with, connection clamping piece (52) and detection pen (3) are offered on the sliding component (51)
Loose slot (511), the loose slot (511) is interior to be provided with the two coefficient of elasticity spring consistent with length (56), two bullets
Spring (56) is separately positioned between detection pen (3) and clamping piece (52).
A kind of 2. Leeb Hardness Tester for measuring curved surface hardness according to claim 1, which is characterized in that the loose slot
(511) include the locating slot (5111) being embedded for spring (56) and connection locating slot (5111) and two external open slots
(5112), two open slots (5112) set the positive stop strip (512) of restricted clamping piece (52) abjection locating slot (5111).
A kind of 3. Leeb Hardness Tester for measuring curved surface hardness according to claim 2, which is characterized in that two springs
(56) locating piece (55) is both provided between detection pen (3), is provided with what is be arranged for spring (56) on the locating piece (55)
Spring base (552).
A kind of 4. Leeb Hardness Tester for measuring curved surface hardness according to claim 3, which is characterized in that two locating pieces
(55) symmetrical to offer half arc slot (5511), the two half arc slots (5511) are enclosed crosses pen for what detection pen (3) was worn
Slot (551).
A kind of 5. Leeb Hardness Tester for measuring curved surface hardness according to claim 1, which is characterized in that the centering clamp
(5) include the sealing plate (53) of closing locating slot (5111) both-side opening, the sealing plate (53) is connected with control clamping piece (52)
The pilot pin (54) of sliding.
A kind of 6. Leeb Hardness Tester for measuring curved surface hardness according to claim 5, which is characterized in that the clamping piece
(52) connecting hole being threadedly coupled for sealing plate (53) is offered on, is offered on the sealing plate (53) for pilot pin (54) pirouette
Dynamic location hole, the end set of the pilot pin (54) have the handle (541) that control pilot pin (54) rotates.
A kind of 7. Leeb Hardness Tester for measuring curved surface hardness according to claim 6, which is characterized in that the spring (56)
It is set on pilot pin (54) and is not contacted with pilot pin (54) surface.
A kind of 8. Leeb Hardness Tester for measuring curved surface hardness according to claim 1, which is characterized in that two clamping pieces
(52) plumb line (523) is linked on, is offered on the clamping piece (52) and clamping piece (52) length direction is parallel determines
Position scale (524) and the angle index (6) for detecting plumb line (523) angle excursion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740082.9U CN207586056U (en) | 2017-12-14 | 2017-12-14 | A kind of Leeb Hardness Tester for measuring curved surface hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740082.9U CN207586056U (en) | 2017-12-14 | 2017-12-14 | A kind of Leeb Hardness Tester for measuring curved surface hardness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586056U true CN207586056U (en) | 2018-07-06 |
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ID=62737501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721740082.9U Expired - Fee Related CN207586056U (en) | 2017-12-14 | 2017-12-14 | A kind of Leeb Hardness Tester for measuring curved surface hardness |
Country Status (1)
| Country | Link |
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| CN (1) | CN207586056U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187746A (en) * | 2018-09-14 | 2019-01-11 | 西安石油大学 | A kind of coiled tubing banjo fixing butt jointing nondestructive detector of strength and method |
| CN110243705A (en) * | 2019-06-30 | 2019-09-17 | 中国一冶集团有限公司 | Arc component inspection by rebound method auxiliary device and its application method |
| CN111122360A (en) * | 2020-01-10 | 2020-05-08 | 宁波市江北宏盛高压电器液压机械有限公司 | Hardness testing device for transmission rod and shaft seat |
-
2017
- 2017-12-14 CN CN201721740082.9U patent/CN207586056U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187746A (en) * | 2018-09-14 | 2019-01-11 | 西安石油大学 | A kind of coiled tubing banjo fixing butt jointing nondestructive detector of strength and method |
| CN110243705A (en) * | 2019-06-30 | 2019-09-17 | 中国一冶集团有限公司 | Arc component inspection by rebound method auxiliary device and its application method |
| CN111122360A (en) * | 2020-01-10 | 2020-05-08 | 宁波市江北宏盛高压电器液压机械有限公司 | Hardness testing device for transmission rod and shaft seat |
| CN111122360B (en) * | 2020-01-10 | 2022-05-03 | 宁波市江北宏盛高压电器液压机械有限公司 | Hardness testing device for transmission rod and shaft seat |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20180706 Termination date: 20191214 |