CN209590395U - For enclosing the objective table and microhardness testers of the detection of class part hardness - Google Patents
For enclosing the objective table and microhardness testers of the detection of class part hardness Download PDFInfo
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- CN209590395U CN209590395U CN201920227596.7U CN201920227596U CN209590395U CN 209590395 U CN209590395 U CN 209590395U CN 201920227596 U CN201920227596 U CN 201920227596U CN 209590395 U CN209590395 U CN 209590395U
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- slotted disk
- eccentric
- objective table
- class part
- circle
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- 230000007246 mechanism Effects 0.000 claims description 12
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- 238000007542 hardness measurement Methods 0.000 abstract description 13
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- 230000001360 synchronised effect Effects 0.000 description 3
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Abstract
The utility model discloses the objective tables and microhardness testers for enclosing the detection of class part hardness, objective table includes base portion, guiding slotted disk, eccentric slotted disk, positioning and locking part, guiding slotted disk is mounted on base portion with being able to rotate, its top surface is equipped with guide groove, and the guide groove extends along radius length direction；The rotation of eccentric slotted disk be installed on guiding slotted disk and with guiding slotted disk arranged concentric, offer eccentric grove；Positioning and locking part passes through eccentric grove and is mutually oriented to cooperation with guide groove, when circle class part is placed on eccentric slotted disk top surface, rotation eccentric grove disk drives positioning and locking part along guide groove close to the eccentric slotted disk center of circle so that circle class part is clamped in the center location of eccentric slotted disk by positioning and locking part.The objective table can remain that the circle class part center of circle coincides with objective table rotation center, eliminate the trouble for needing to be positioned to the center of circle of circle class part again when determining other micro-hardness measurement points, accurately obtain circle class part circumferential direction hardness distribution situation.
Description
Technical field
The utility model relates to the objective tables and microhardness testers for enclosing the detection of class part hardness.
Background technique
Objective table is microhardness testers standard configuration component.Existing microhardness testers objective table can only drive loading by knob
Platform along X to or Y-direction linear movement, cannot be rotated, can not carry out circle class part circumferential direction hardness distribution detection.
Publication No. CN203616526U, a kind of entitled patent of the micro-hardness testing objective table of angle adjustable, or
Publication No. CN203595859U, a kind of entitled Chinese patent of micro-hardness testing objective table, detection piece are directly placed at
On objective table, the rotation of detection piece is driven by the rotation of objective table.However, requiring detection piece circle when due to circumferential hardness determination
The heart is overlapped with objective table rotation center, because it does not design the positioning clamping device of detection piece, leads to the center weight for finding detection piece
Coincidence set it is time-consuming overtax one's nerves, and detection piece be easy again it is touched, mobile, to be difficult to carry out subsequent detection work, and then can not
Accurately obtain detection piece circumferential direction hardness distribution situation.
Utility model content
The utility model provides the objective table and microhardness testers for enclosing the detection of class part hardness, and which overcome backgrounds
The existing deficiency of technology.
The utility model solve the used technical solution of its technical problem first is that:
For enclosing the objective table of class part hardness detection, it includes:
Base portion；
Be oriented to slotted disk, be mounted on base portion with being able to rotate, top surface set there are three or three or more guide grooves, institute
Guide groove is stated to extend along radius length direction；
Eccentric slotted disk, rotation be installed on guiding slotted disk and with guiding slotted disk arranged concentric, offer and guide groove
Number is identical and one-to-one eccentric grove；
Positioning and locking part identical and one-to-one with eccentric grove number, the positioning and locking part pass through eccentric grove and with guiding
Slot is mutually oriented to cooperation, will circle class part when being placed on eccentric slotted disk top surface, rotation eccentric grove disk drives positioning and locking part along leading
To the close eccentric slotted disk center of circle of slot so that circle class part is clamped in the center location of eccentric slotted disk by positioning and locking part.
Among one preferred embodiment: the eccentric grove is using the biggish helical of polar angle in Archimedes spiral polar equation
Section is constituted.
Among one preferred embodiment: multiple guide grooves are around guiding slotted disk center of circle uniform intervals arrangement；Described
Multiple eccentric groves are arranged around eccentric slotted disk center of circle uniform intervals.
Among one preferred embodiment: the positioning and locking part includes the guiding auxiliary section being connected and interconnecting piece, described to lead
Mutually be oriented to cooperation to matching part below the eccentric grove and with guide groove, the interconnecting piece protrude into eccentric grove and its size with it is inclined
Heart slot size is adapted.
Among one preferred embodiment: the cross sectional shape of the guide groove is inverted T-shaped, the guiding auxiliary section and interconnecting piece shape
At inverted T-shaped.
Among one preferred embodiment: the positioning and locking part includes locating piece and latch segment, and the locating piece is equipped under
And the upper sequentially connected guiding auxiliary section, the interconnecting piece and driving section, the transmission portion is above eccentric grove；It is described
Latch segment offers driving groove compatible with driving section, by the transmission cooperation of driving section and driving groove so that locating piece and lock
Tight block circumferential clocking of turbine is mobile.
Among one preferred embodiment: the driving section be chamfered edge cylindrical, the driving groove be located at latch segment it is non-in
Heart position.
Among one preferred embodiment: it further include the indexing mechanism for being mounted on base portion, the indexing mechanism packet
Stepper motor, worm and worm wheel are included, worm-drive connects stepper motor, and worm gear rotation is installed in base portion and transmission connection is led
To slotted disk, worm gear and guiding slotted disk arranged concentric.
Among one preferred embodiment: the base portion includes pedestal and can work along the transverse direction of pedestal transverse shifting
Platform, horizontal work level are located above pedestal, and guiding slotted disk rotation is installed at the top of horizontal work level, and horizontal work level top surface opens up
There is assembly cavity, the stepper motor is mounted on the outside of horizontal work level, and worm screw protrudes into assembly cavity, and worm gear rotation is installed in assembly
It is intracavitary.
The utility model solve the used technical solution of its technical problem second is that: application above-mentioned any one described in
For enclose class part hardness detection objective table microhardness testers, it is characterised in that: the microhardness testers include machine
Platform and pressure head, the objective table can removably mount on board, the top surface of the corresponding eccentric slotted disk of the pressure head.
The technical program compared with the background art, it has the following advantages:
1. the objective table can will enclose class part and be interposed in the center location of objective table, when objective table with respect to board movement or
When being oriented to slotted disk and eccentric slotted disk synchronous rotation, circle class part will not follow movement, remain the circle class part center of circle and loading
Platform rotation center coincides, and eliminates and needs again to carry out the center of circle of circle class part when determining other micro-hardness measurement points
The trouble of positioning accurately obtains circle class part circumferential direction hardness distribution situation.
2. eccentric grove is constituted using the spiral pieces of polar angle large area in Archimedes spiral polar equation, may be implemented
The self-locking performance of positioning and locking part in detection process improves the clamping reliability of positioning and locking part.
3. for a guide groove more than around guiding slotted disk center of circle uniform intervals arrangement, multiple eccentric groves are equal around the eccentric slotted disk center of circle
Even arranged for interval is further ensured that circle class to guarantee that positioning and locking part moves linearly around the center of circle of eccentric slotted disk always
Part is in the rotation center position of objective table.
4. energy band action-oriented auxiliary section is moved along guide groove under the cooperation of interconnecting piece and eccentric grove when eccentric slotted disk rotation
It is dynamic, and then move positioning and locking part along guide groove, since interconnecting piece size is adapted with eccentric grove size, so that when stopping
When to the rotation of eccentric slotted disk, positioning and locking part carried out under the cooperation of interconnecting piece and eccentric grove it is self-locking, positioning and locking part from
Lock property effect is more preferable.
5. the cross sectional shape of guide groove is inverted T-shaped, it is oriented to auxiliary section and interconnecting piece forms inverted T-shaped, using the cooperation of inverted T-shaped
Mode can not only be oriented to positioning and locking part, moreover it is possible to carry out axial limiting to positioning and locking part, prevent positioning and locking part axis
To movement.
6. driving section is chamfered edge cylindrical, the driving groove is located at the non-center position of latch segment, so that latch segment can
With adjustment direction, small diameter range is suitable for when being located proximate to the eccentric slotted disk center of circle when latch segment and circle class feature contacts
The detection for enclosing class part is suitable for larger diameter model when the position of latch segment and circle class feature contacts is far from the eccentric slotted disk center of circle
The detection of the circle class part enclosed.
7. the worm gear in indexing mechanism rotates, energy band action-oriented slotted disk is rotated synchronously, and is oriented to slotted disk；Rotation can drive
Eccentric slotted disk rotates synchronously, and class part is enclosed under the clamping action of positioning and locking part and also synchronizes rotation, encloses class zero with adjustment
The micro-hardness measurement point of part circumferential direction.
8. base portion includes pedestal and can be oriented to slotted disk rotation along the horizontal work level of pedestal transverse shifting and be installed in
At the top of horizontal work level, so that energy band action-oriented slotted disk and eccentric slotted disk synchronous horizontal are mobile when horizontal work level transverse shifting,
So that the measurement point of pressure head energy correspondence ring class part top surface different radii, to obtain more comprehensively enclosing the hardness of class part
Distributed data.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 depicts the microhardness testers schematic elevation view of a preferred embodiment.
Fig. 2 depicts the schematic elevation view of the objective table of a preferred embodiment.
Fig. 3 depicts the left view schematic diagram of the objective table of a preferred embodiment.
Fig. 4 depicts the schematic top plan view of the objective table of a preferred embodiment.
Fig. 5 depicts the schematic top plan view of the guiding slotted disk of a preferred embodiment.
Fig. 6 depicts the schematic top plan view of the eccentric slotted disk of a preferred embodiment.
Fig. 7 depicts the schematic elevation view of the positioning and locking part of a preferred embodiment, and locating piece mutually divides with latch segment at this time
From.
The schematic elevation view that Fig. 8 depicts the locating piece of a preferred embodiment and latch segment matches, at this time latch segment it
The center of circle of the position of contact ring class part far from eccentric slotted disk.
The schematic elevation view that Fig. 9 depicts the locating piece of a preferred embodiment and latch segment matches, at this time latch segment it
The center of circle for being located proximate to eccentric slotted disk of contact ring class part.
The guiding auxiliary section that Figure 10 depicts a preferred embodiment is caught in the status diagram before guide groove.
Figure 11 depicts the schematic top plan view that the positioning and locking part of a preferred embodiment is matched with eccentric grove.
Specific embodiment
Fig. 2 to Figure 11 is please referred to, a preferred embodiment of the objective table for enclosing the detection of class part hardness, described is used for
The objective table of class part hardness detection is enclosed, it includes base portion, guiding slotted disk 30, eccentric slotted disk 40 and positioning and locking part 50.
In the present embodiment, the base portion includes pedestal 10 and can be along the horizontal work level of 10 transverse shifting of pedestal
20, horizontal work level 20 is located at 10 top of pedestal.
20 top surface of horizontal work level offers assembly cavity 21, and bottom surface offers mounting groove 22, and horizontal work level 20 pushes up
It is convexly equipped with rotary table protrusion 23 upwardly, the center of the rotary table protrusion 23 and the center of horizontal work level 20 coincide.Such as Fig. 2 institute
Show, transmission cooperation is carried out using screw nut driving mechanism between pedestal 10 and horizontal work level 20.Screw nut driving mechanism
Including screw rod 24, transmission nut 25 and transmission handwheel 26.The affixed pedestal 10 of transmission nut 25 and be located at mounting groove 22 in, screw rod 24
It is horizontally through mounting groove 22 and its right end stretches out mounting groove 22 and matches with transmission handwheel 26, screw rod 24 and 25 spiral shell of transmission nut
Line connection cooperation, rotation transmission handwheel 26 simultaneously pass through the cooperation of screw rod 24 and transmission nut 25 to drive horizontal work level 20 laterally
It is mobile.And as shown in figure 3,10 top surface of pedestal is equipped with dovetail slideway 11,20 bottom surface of horizontal work level is equipped with and can lead with swallow-tail form
The swallow-tail form guide groove of 11 phase of rail guiding cooperation, is cooperated by the guiding of dovetail slideway 11 and swallow-tail form guide groove, so that pedestal 10
Lateral fitness between horizontal work level 20 is higher, can reduce the whole height of objective table.
Guiding slotted disk 30 is mounted on base portion with being able to rotate, top surface set there are three or three or more guide grooves 31,
The guide groove 31 extends along radius length direction.
In the present embodiment, multiple guide grooves 31 are around guiding 30 center of circle uniform intervals of slotted disk arrangement.Such as Fig. 5 institute
Show, 31 numbers of guide groove are set as three, and the radius length of the close guiding slotted disk 30 of length of guide groove 31.
In the present embodiment, as shown in Figure 10, the cross sectional shape of the guide groove 31 is inverted T-shaped.Alternatively, guide groove 31 is cut
Face shape is also designed to rectangular, trapezoidal, inverted trapezoidal, triangle differs, and is not limited.
In the present embodiment, the guiding rotation of slotted disk 30 is installed in 20 top of horizontal work level.30 bottom surface of guiding slotted disk is set
There is guided rotation slot 32, the guided rotation slot 32 and rotary table protrusion 23 rotate cooperation to realize guiding slotted disk 30 and laterally work
The relative rotation of platform 20.And it is oriented to the center of slotted disk 30 and the center of horizontal work level 20 and coincides.
In the present embodiment, which further includes the indexing mechanism for being mounted on base portion, the indexing mechanism
Including stepper motor 60, worm screw 61 and worm gear 62, the transmission connection stepper motor 60 of worm screw 61, the rotation of worm gear 62 is installed in base portion
Divide and transmission connection is oriented to slotted disk 30, worm gear 62 and guiding 30 arranged concentric of slotted disk.
In the present embodiment, the stepper motor 60 is mounted on 20 outside of horizontal work level, and worm screw 61 protrudes into assembly cavity 21,
The rotation of worm gear 62 is installed in assembly cavity 21.As shown in Fig. 2, 62 top center of worm gear is equipped with transmission shaft 621, it is oriented in slotted disk 30
The heart is equipped with axis hole, and transmission shaft 621 protrudes into axis hole, is additionally provided with lock-screw 622 and locking plate 623, and the lid of locking plate 623 is set on axis hole top
End, lock-screw 622 passes through locking plate 623 and 621 bolt of transmission shaft cooperates will be oriented to slotted disk 30 and 62 interlocking of worm gear one
It rises, to realize worm gear 62 and be oriented to the synchronous rotation of slotted disk 30.
The rotation of eccentric slotted disk 40 be installed on guiding slotted disk 30 and with guiding 30 arranged concentric of slotted disk, offer and be oriented to
31 numbers of slot are identical and one-to-one eccentric grove 41.
In the present embodiment, the eccentric grove 41 is using the biggish spiral pieces structure of polar angle in Archimedes spiral polar equation
At.Multiple eccentric groves 41 are arranged around eccentric 40 center of circle uniform intervals of slotted disk.As shown in fig. 6, one end of eccentric grove 40
Close to the center of circle of bias slotted disk 40, the other end extends to the circumferential surface of eccentric slotted disk 40, and edge between two ends of eccentric grove 41
The spiral pieces in Archimedes spiral are extended to clockwise.As shown in figure 4, each eccentric grove 41 and corresponding guide groove 31
For intersection arrangement.
Positioning and locking part 50 it is identical as 41 numbers of eccentric grove and correspond, the positioning and locking part 50 pass through eccentric grove 41 and
It is oriented to and cooperates with 31 phase of guide groove, when circle class part is placed on eccentric 40 top surface of slotted disk, rotates eccentric slotted disk 40 and drive positioning
Locking member 50 is along guide groove 31 close to eccentric 40 center of circle of slotted disk so that circle class part is clamped in eccentric grove by positioning and locking part 50
The center location of disk 40.
In the present embodiment, the positioning and locking part 50 includes the guiding auxiliary section 51 being connected and interconnecting piece 52, described to lead
Be located at the lower section of eccentric grove 41 to auxiliary section 51 and be oriented to 31 phase of guide groove and cooperate, the interconnecting piece 52 protrude into eccentric grove 41 and
Its size is adapted with 41 size of eccentric grove.
In the present embodiment, as shown in Figure 10, the guiding auxiliary section 51 and interconnecting piece 52 form inverted T-shaped.
In the present embodiment, the positioning and locking part 50 includes locating piece 53 and latch segment 54, and the locating piece 53 is equipped with certainly
The lower and upper sequentially connected guiding auxiliary section 51, the interconnecting piece 52 and driving section 55, the driving section 55 are located at bias
41 top of slot；The latch segment 54 offers driving groove 544 compatible with driving section 55, passes through driving section 55 and driving groove
544 transmission cooperation is so that locating piece 53 and 54 circumferential clocking of turbine of latch segment are mobile.
In the present embodiment, the driving section 55 be chamfered edge cylindrical, the driving groove 544 be located at latch segment 54 it is non-in
Heart position.As shown in figure 11, latch segment 54 is rectangular parallelepiped structure, since driving groove 544 is located at the non-center position of latch segment 54,
So that direction is adjusted in latch segment 54；When the position 541 of latch segment 54 and circle class feature contacts is close to eccentric 40 center of circle of slotted disk
It is suitable for the detection of the circle class part of small diameter range, as shown in Figure 8；When the position of latch segment 54 and circle class feature contacts
The detection of the circle class part of larger diameter range is suitable for when 541 separate eccentric 40 center of circle of slotted disk, as shown in Figure 9.Shown in Figure 11
Be latch segment 54 and circle class feature contacts state of the position 541 close to eccentric 40 center of circle of slotted disk, that is, three positioning and lockings
The relatively small circle class part of diameter can only be placed between part 50.
As shown in Figure 1, the microhardness testers include 100 He of board for the microhardness testers of the above-mentioned objective table of application
Pressure head 110, the objective table can removably mount on board 100, the top surface of the corresponding eccentric slotted disk 40 of the pressure head 110.
In the present embodiment, board 100 is equipped with locating rod 120, and pedestal 10 offers location hole 12, passes through locating rod 120
Lateral locking is carried out to locating rod 120 in insertion location hole 12 and by positioning screw 130, objective table is mounted on board
On 100.The height adjustment mechanism for being adjustable objective table height is additionally provided on board 100, which is the prior art, no longer superfluous
It states.Pressure head 110 is mounted on the top of board 100 and its head is towards objective table.
The detection method of the microhardness testers, comprising:
Step 10, objective table is mounted on board 100；As shown in Figure 1, being inserted into location hole 12 by locating rod 120
And lateral locking is carried out to locating rod 120 by positioning screw 130, objective table is mounted on board 100；
Step 20, circle class part is first placed on to the top surface of eccentric slotted disk 40, eccentric slotted disk 40 is then rotated, drives positioning
Locking member 50 is along guide groove 31 close to eccentric 40 center of circle of slotted disk so that circle class part is clamped in eccentric grove by positioning and locking part 50
The center location of disk 40；In the present embodiment, as shown in figure 11, eccentric slotted disk 40 is rotated, manually clockwise to drive positioning and locking
Part 50 is mobile up to the circumferential clamping ring class parts of three latch segments 54 to eccentric grove towards the direction close to 40 center of circle of eccentric slotted disk
The center location of disk 40, stop operating eccentric slotted disk 40, is able to achieve positioning and locking under the cooperation of interconnecting piece 52 and eccentric grove 41
Part 50 it is self-locking, with guarantee circle class part be in clamped state always；At this point, the clamping positioning of circle class part is completed,
Enclose 40 arranged concentric of class part and eccentric slotted disk；
Step 30, moving stage so that 110 correspondence ring class part top surface of pressure head first micro-hardness measurement point, connect
, first micro-hardness measurement point is measured；In the present embodiment, by height adjustment mechanism adjust objective table height to
Suitable position, then, by screw nut driving mechanism transverse shifting horizontal work level 20 so that pressure head 110 corresponding first aobvious
Microhardness measurement point；
Step 40, after the microhardness value of first micro-hardness measurement point is measured, guiding slotted disk 30 is rotated synchronously
With eccentric slotted disk 40 so that corresponding second be located on same circumference with first micro-hardness measurement point of pressure head 110 is micro- hard
Measurement point is spent, then second micro-hardness measurement point is measured；In the present embodiment, the rotation of stepper motor 60 drives worm screw
61 rotations, the rotation of worm screw 61 drive worm gear 62 to rotate, and the rotation of worm gear 62 drives guiding slotted disk 30 to rotate synchronously, and are oriented to 60 turns of slotted disk
It is dynamic that eccentric slotted disk 40 is driven to rotate synchronously, and then rotated synchronously with moving-coil class part, when corresponding second microhardness of pressure head 110
The rotation for stopping stepper motor 60 when measurement point, at this point, second micro-hardness measurement point and first micro-hardness measurement
Point is located on same circumference；
Step 50, step 40 is repeated, to measure to several micro-hardness measurement points on same circumference, to obtain
Enclose the hardness distributed data on class part concentric circles.
The above, only the utility model preferred embodiment, therefore, it cannot be limited according to, and the utility model is implemented
It is practical new to should still belong to this for range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual
In the range of type covers.
Claims (10)
1. the objective table for enclosing the detection of class part hardness, it is characterised in that: it includes:
Base portion；
Be oriented to slotted disk, be mounted on base portion with being able to rotate, top surface set there are three or three or more guide grooves, it is described to lead
Extend to slot along radius length direction；
Eccentric slotted disk, rotation be installed in guiding slotted disk on and with guiding slotted disk arranged concentric, offer and guide groove number
Identical and one-to-one eccentric grove；
Positioning and locking part identical and one-to-one with eccentric grove number, the positioning and locking part pass through eccentric grove and with guide groove phase
Guiding cooperation, when circle class part is placed on eccentric slotted disk top surface, rotation eccentric grove disk drives positioning and locking part along guide groove
Close to the bias slotted disk center of circle so that circle class part is clamped in the center location of eccentric slotted disk by positioning and locking part.
2. according to claim 1 for enclosing the objective table of class part hardness detection, it is characterised in that: the eccentric grove is adopted
It is constituted with the spiral pieces of polar angle large area in Archimedes spiral polar equation.
3. according to claim 2 for enclosing the objective table of class part hardness detection, it is characterised in that: described multiple to lead
To slot around guiding slotted disk center of circle uniform intervals arrangement；Multiple eccentric groves are around eccentric slotted disk center of circle uniform intervals cloth
It sets.
4. according to claim 3 for enclosing the objective table of class part hardness detection, it is characterised in that: the positioning and locking
Part includes the guiding auxiliary section being connected and interconnecting piece, and the guiding matching part is mutually oriented to below eccentric grove and with guide groove
Cooperation, the interconnecting piece protrudes into eccentric grove and its size is adapted with eccentric grove size.
5. it is according to claim 4 for enclose class part hardness detection objective table, it is characterised in that: the guide groove it
Cross sectional shape is inverted T-shaped, and the guiding auxiliary section and interconnecting piece form inverted T-shaped.
6. according to claim 4 for enclosing the objective table of class part hardness detection, it is characterised in that: the positioning and locking
Part includes locating piece and latch segment, and the locating piece is equipped with the sequentially connected guiding auxiliary section, the connection from bottom to top
Portion and driving section, the transmission portion is above eccentric grove；The latch segment offers driving groove compatible with driving section, leads to
The transmission cooperation of driving section and driving groove is crossed so that locating piece and latch segment circumferential clocking of turbine are mobile.
7. according to claim 6 for enclosing the objective table of class part hardness detection, it is characterised in that: the driving section is
Chamfered edge cylindrical, the driving groove are located at the non-center position of latch segment.
8. according to claim 1 for enclosing the objective table of class part hardness detection, it is characterised in that: further include being mounted on
The indexing mechanism of base portion, the indexing mechanism include stepper motor, worm and worm wheel, and worm-drive connects stepping
Motor, worm gear rotation are installed in base portion and transmission connection guiding slotted disk, worm gear and guiding slotted disk arranged concentric.
9. according to claim 8 for enclosing the objective table of class part hardness detection, it is characterised in that: the base portion
It can be located at including pedestal and along the horizontal work level of pedestal transverse shifting, horizontal work level above pedestal, guiding slotted disk rotation
It is installed at the top of horizontal work level, horizontal work level top surface offers assembly cavity, and the stepper motor is mounted on horizontal work level
Outside, worm screw protrude into assembly cavity, and worm gear rotation is installed in assembly cavity.
10. for enclosing the microhardness of the objective table of class part hardness detection described in any one of application claim 1 to 9
Meter, it is characterised in that: the microhardness testers include board and pressure head, and the objective table can removably mount on board, institute
State the top surface of the corresponding eccentric slotted disk of pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227596.7U CN209590395U (en) | 2019-02-21 | 2019-02-21 | For enclosing the objective table and microhardness testers of the detection of class part hardness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227596.7U CN209590395U (en) | 2019-02-21 | 2019-02-21 | For enclosing the objective table and microhardness testers of the detection of class part hardness |
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| Publication Number | Publication Date |
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| CN209590395U true CN209590395U (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855996A (en) * | 2019-02-21 | 2019-06-07 | 集美大学 | For enclosing objective table, microhardness testers and the detection method of the detection of class part hardness |
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2019
- 2019-02-21 CN CN201920227596.7U patent/CN209590395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855996A (en) * | 2019-02-21 | 2019-06-07 | 集美大学 | For enclosing objective table, microhardness testers and the detection method of the detection of class part hardness |
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