CN209559089U - It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter - Google Patents
It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter Download PDFInfo
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- CN209559089U CN209559089U CN201920580699.1U CN201920580699U CN209559089U CN 209559089 U CN209559089 U CN 209559089U CN 201920580699 U CN201920580699 U CN 201920580699U CN 209559089 U CN209559089 U CN 209559089U
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- belt pulley
- measurement support
- amesdial
- hole
- measuring rod
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Abstract
The utility model relates to a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter, including workpiece pedestal and amesdial, there are a supporting surface and a dynamic measurement support and at least two quiet measurement supports in the workpiece pedestal, the dynamic measurement support and each quiet measurement support all on be fixedly installed with a stylus, all styluses are in the same plane and set using the plane and the intersection point of axially bored line in belt pulley as center of circle circumference equal dividing, also with the through-hole for moving measurement support described in face and being extended along the radial direction of belt pulley inner hole in the workpiece pedestal, the measuring rod of the amesdial passes through the through-hole and the dynamic measurement support is inconsistent, time-consuming when solving the problems, such as existing detection belt pulley inner hole card slot internal diameter.
Description
Technical field
The utility model relates to detect jig field, it is specifically related to a kind of for detecting belt pulley inner hole card slot internal diameter
Cubing.
Background technique
It is the key that accessory in automobile engine that generator, which couples damper, and the inner hole of belt pulley is that generator coupling subtracts
Shake the general assembly body of device.During manufacturing decoupling motor belt pulley, the card slot internal diameter to decoupling belt pulley obtained is needed
It is detected, to monitor whether the manufacture of decoupling motor belt pulley meets the requirements.
If Figure of description is shown in FIG. 1, since the width of the card slot 10 of existing decoupling belt pulley 1 is smaller, and depth
It is relatively deep, therefore existing detection means is detected using this cubing of inside mictometer with three probes, this detection mode
The detection skill of operation technique and operator to cubing require it is very high can accurately be detected, and operate
Time spent by process is also very long (it is generally necessary to several minutes).Full inspection is carried out using the cubing detection mode, influences whether to grasp
The production efficiency of workmanship, therefore the mode for generalling use sampling observation is detected, it is different still to there is product card slot internal diameter quality in sampling observation
The problem of normal missing inspection.Therefore a kind of internal diameter progress that can quickly to belt pulley inner hole card slot suitable for execute-in-place worker need to be designed
The cubing of self-test.
Utility model content
The utility model be intended to provide it is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter, to solve existing three-jaw
The problem of time-consuming when inside micrometer detection belt pulley inner hole card slot internal diameter.
Concrete scheme is as follows:
It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter, including workpiece pedestal and be fixed on the workpiece pedestal
On amesdial, the workpiece pedestal, which is positioned and fixed, to be mounted on mounting platform；The top of the workpiece pedestal, which has, to be located at
Supporting surface on same plane and the dynamic measurement support being movably arranged in the workpiece pedestal and it is fixedly mounted on the workpiece
At least two quiet measurement supports on pedestal, the dynamic measurement support and each quiet measurement support all on be fixedly installed with one along skin
The radial direction of belt wheel inner hole is extended and is higher than the stylus of supporting surface, and all styluses are in the same plane and with the plane
Intersection point with axially bored line in belt pulley is that center of circle circumference equal dividing is set, and the dynamic measurement support can be along the axis side of stylus thereon
It is slided in the workpiece pedestal, also has in the workpiece pedestal and move measurement support described in face and along belt pulley inner hole
The extended through-hole of radial direction, the measurement rod sleeve of the amesdial are fixedly mounted in the workpiece pedestal, and this thousand
Divide the measuring rod of table inconsistent across the through-hole and the dynamic measurement support.
Further, it is fixedly installed with a sliding rail in the workpiece pedestal, it can be on the sliding rail with one on the sliding rail
The sliding block slided along the radial direction of belt pulley inner hole, the dynamic measurement support are fixedly mounted on the slide block.
Further, it is vertical with dynamic measurement bearing sliding direction that the sliding block, which has the side end face of through-hole described in face,
The conflict end face of setting, the conflict end face that the measuring rod of the amesdial passes through the through-hole and the sliding block are inconsistent.
Further, the stylus of the dynamic measurement support is located at the conflict end face and prolongs along dynamic measurement bearing sliding direction
The surface of the center line of setting is stretched, the measuring rod of the amesdial contacts on the central point for contradicting end face.
Further, a measuring rod extension rod is additionally provided in the through-hole, the measuring rod extension rod is movably set in
In the through-hole, the front end of the measuring rod extension rod and the dynamic measurement support are inconsistent, the rear end of the measuring rod extension rod with
The measuring rod of the amesdial is inconsistent.
Further, the rear end face of the measuring rod extension rod has matches with the measuring rod front end of the amesdial
The cavity of setting.
Further, the measurement rod sleeve of the amesdial is fixedly mounted in the through-hole.
Further, the dynamic measurement support and quiet measurement support include measuring support body and by measurement support
The first boss and second boss that body top surface is extended toward belt pulley inner hole axis direction, the first boss and second convex
Platform is symmetrical arranged along belt pulley inner hole radial direction and has gap, the first boss and the opposite side of second boss between the two
The accommodating space for accommodating the stylus is collectively formed in face top, between the first boss and second boss by bolt lock with
The stylus is fixed in the accommodating space.
Further, there is the slotted hole being arranged along belt pulley inner hole radial direction in the measurement support body.
Further, multiple spaced boss, the top of all boss are provided on the top surface of the workpiece pedestal
The supporting surface is collectively formed in face.
Cubing provided by the utility model for detecting belt pulley inner hole card slot internal diameter has compared with prior art
Following advantages: belt pulley need to only be had card slot when detecting to belt pulley to be measured by cubing provided by the utility model
End face is placed on the supporting surface of workpiece pedestal, so that the stylus on the stylus and quiet measurement support on dynamic measurement support protrudes into
To the card slot of belt pulley standard component, and all styluses is made to offset with the inner wall of card slot, the reading according to amesdial at this time is
It can determine whether out whether the card slot internal diameter of the belt pulley to be measured meets the requirements, which only needs the several seconds can be completed, and facilitates behaviour
The online full survey at workmanship scene, to manage the quality of product.
Detailed description of the invention
Fig. 1 shows the diagrammatic cross-section of belt pulley.
Fig. 2 shows the stereoscopic schematic diagrams of cubing in embodiment 1.
Fig. 3 shows the top view of cubing in embodiment 1.
Fig. 4 shows 1 middle belt pulley of embodiment and is placed on the diagrammatic cross-section detected in cubing.
Fig. 5, which is shown, moves the fixed schematic diagram on the slide rail of measurement support in embodiment 1.
Fig. 6 shows the schematic diagram moved on the fixed view direction another on the slide rail of measurement support in embodiment 1.
Fig. 7 shows 2 middle belt pulley of embodiment and is placed on the diagrammatic cross-section detected in cubing.
Fig. 8 shows the schematic diagram that measurement support and quiet measurement support are moved in embodiment 3.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
If Fig. 2-is shown in Fig. 3, present embodiments provide it is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter, should
Cubing includes workpiece pedestal 20, amesdial 30, wherein the workpiece pedestal 20 is positioned and fixed and is mounted on mounting platform, it is described
Amesdial 30 is fixedly mounted on the workpiece pedestal 20 to guarantee that the positional relationship between workpiece pedestal 20 and amesdial 30 is solid
Fixed.Amesdial 30 shown in the present embodiment is digital display dial gauge, and but not limited to this, can also use pointer amesdial
Etc. existing amesdial.
With reference to Fig. 2-Fig. 4, the top of workpiece pedestal 20 has supporting surface 200 and activity installation in the same plane
The dynamic at least two quiet measurement supports for measuring support 210 and being fixedly mounted in the workpiece pedestal 20 in the workpiece pedestal 20
220, which is used to offset with the end face of belt pulley, for supporting belt pulley to be measured.It is quiet with two in the present embodiment
It is illustrated for measurement support 220, but not limited to this, and quiet measurement support 220 can increase according to actual needs.
In the present embodiment, multiple spaced boss 260 are provided on the top surface of the workpiece pedestal 20, it is all convex
The supporting surface 200 is collectively formed in the top surface of platform 260.
The dynamic measurement support 210 and each quiet measurement support 220 all on be fixedly installed with one along belt pulley inner hole
Radial direction is extended and is higher than the stylus 300 of supporting surface 200, so that stylus can extend into the card slot 10 of belt pulley to be measured
The inner wall of interior and card slot 10 with belt pulley offsets, therefore, need it is clear that, the diameter of stylus 300 should be less than card slot 10
Width, to ensure that stylus 300 can extend into the inner wall phase in the card slot 10 of belt pulley to be measured and with the card slot of belt pulley 10
It supports.For ease of description, the stylus on measurement support 210 is moved in the present embodiment marked as 300a, the quiet survey measured on support 220
Needle is marked as 300b to distinguish, although the label of the two is different, its structure is identical.
All styluses 300 are respectively positioned on same plane and (should as the center of circle using the intersection point of axially bored line in the plane and belt pulley
The center of circle is denoted as O) circumference equal dividing setting, so that stylus all when measurement can extend into the card slot 10 of belt pulley to be measured
And offset with the inner wall of the card slot of belt pulley 10, herein under the premise of can obtain accurately measurement result.
The dynamic measurement support 210 can be slided in the workpiece pedestal 20 along the axis direction of stylus 300a thereon
It is dynamic, also have in the workpiece pedestal 20 and moves measurement support 210 described in face and set along the extension of the radial direction of belt pulley inner hole
The through-hole 240 set, the measuring rod 310 of the amesdial 30 pass through the through-hole 240 and offset with the dynamic measurement support 210
Touching, need it is clear that, dynamic measurement support 210, quiet measurement support 220 and stylus 300 in the present embodiment are all using rigidly
Made of material, to ensure the accuracy measured.
The workpiece pedestal of the cubing 20 is first fixed on inspection when carrying out workshop scene off-line test with reference to Fig. 1-4
It on scaffold tower face, is then calibrated with belt pulley standard component, wherein calibration process is as follows: first the tool of belt pulley standard component
There is the end face of card slot 10 to be placed on the supporting surface 200 of workpiece pedestal 20, so that stylus 300a on dynamic measurement support 210 and quiet
Measurement support 220 on stylus 300b stretch in the card slot 10 of belt pulley standard component, and make all styluses with card slot 10
Inner wall offset；Then the measuring rod that the spacing between workpiece pedestal 20 and amesdial fixing seat 40 makes amesdial 30 is adjusted
310 and the dynamic measurement support 210 it is inconsistent, and the measuring rod 310 of amesdial 30 to dynamic measurement support 210 generation pushed away
(strength can be adjusted power from center of circle O according to the measurement range of 10 internal diameter of card slot, and the size of strength is then by amesdial
The compression degree of measuring rod 310 determines) so that the measuring rod 310 of amesdial 30 heads on always dynamic measurement support 210, and will
The show value of amesdial 30 is set as zero point, i.e. zero setting, the numerical value that amesdial 30 is shown at this time is zero.
When belt pulley to be measured is detected, the end face with card slot need to be only placed on the supporting surface 200 of workpiece pedestal 20,
So that the stylus 300a and the quiet stylus 300b measured on support 220 on dynamic measurement support 210 stretch to belt pulley standard
In the card slot of part, and make all styluses offset with the inner wall of card slot 10 can to judge that the card slot internal diameter of the belt pulley to be measured is
It is no to meet the requirements.
When 10 internal diameter of card slot of the belt pulley to be measured is greater than 10 internal diameter of card slot of standard component belt pulley, due to amesdial 30
Measuring rod 310 dynamic measurement support 210 generated pushed away the power of center of circle O, the measuring rod 310 of amesdial 30 props up dynamic measurement
Seat 210 is pushed away toward far from the direction center of circle O, and the length that the measuring rod 310 of amesdial 30 stretches out outward at this time becomes larger, i.e., dynamic measurement branch
The reaction force that the measuring rod 310 of 210 pairs of amesdials 30 of seat generates becomes smaller, and the numerical value shown on amesdial 30 at this time is negative value
(such as -0.05mm), the numerical value -0.05mm indicate the card slot internal diameter of the belt pulley to be measured 0.05mm big compared with standard.
And when 10 internal diameter of the card slot of the belt pulley to be measured is less than 10 internal diameter of card slot of standard component belt pulley, belt pulley to be measured
Card slot 10 make to measure support 210 and slided toward the center of circle direction O, i.e. length that the measuring rod 310 of amesdial 30 stretches out outward becomes
Small, i.e., the reaction force that dynamic measurement support 210 generates the measuring rod 310 of amesdial 30 becomes larger, and shows on amesdial 30 at this time
Numerical value be positive value (such as 0.05mm), numerical value 0.05mm i.e. indicate that the card slot internal diameter of the belt pulley to be measured is small compared with standard
0.05mm。
Whether the numerical value that therefore execute-in-place worker only needs interpretation amesdial to show has exceeded the range of tolerance permission
Judge whether the internal diameter of belt pulley inner hole card slot to be measured meets the requirements, which only needs the several seconds can be completed, and facilitates behaviour
The online full inspection at workmanship scene, to manage the quality of product.
With reference to Fig. 4, in the present embodiment, the measurement rod sleeve 330 of the amesdial 30 is fixedly mounted on the through-hole 240
Inside realize the fixation of amesdial 30.
With reference to Fig. 5, support 210 is measured in the axis direction along stylus 300a thereon described as moving in the present embodiment
The preferred embodiment slided in workpiece pedestal 20 is fixedly installed with one along the dynamic measurement support in the workpiece pedestal 20
210 glide directions extended sliding rail 230 has a sliding block 232 that can be slided on the sliding rail 230, institute on the sliding rail
Measurement support 210 is stated to be fixedly mounted on the sliding block 232, with sliding block 232 on sliding rail 230 along stylus 300a thereon
Axis direction it is mobile.The slide construction is simple and can guarantee that dynamic measurement support 210 is the axis direction along stylus 300a
Mobile, to guarantee the accuracy of measurement.In the present embodiment, the recessed of workpiece pedestal 20 is arranged in sliding rail 230 and sliding block 232
In slot, but not limited to this, can also be set up directly on the top surface of workpiece pedestal 20, but by belt to be measured in this present embodiment
The card slot of wheel is closer from its end face, and sliding rail 230 and sliding block 232 are arranged in the groove of workpiece pedestal 20 and can be guaranteed
The thickness of sliding rail 230 and sliding block 232, so that having better intensity.
Preferred in this embodiment, with reference to Fig. 6, the side end face of through-hole described in 232 face of sliding block is and dynamic measurement
The measuring rod 310 of the vertically disposed conflict end face 2320 of 210 glide direction of support, the amesdial 30 passes through the through-hole 240
It is inconsistent with the conflict end face 2320 of the sliding block 232.
More optimizedly, the stylus 300a of the dynamic measurement support 210 is located at the conflict end face 2320 along dynamic measurement support
The surface of the extended center line of 210 glide directions, the measuring rod 310 of the amesdial 30 contradict the conflict end face
On central point, so that the active force that the stylus 300a of dynamic measurement support 210 generates the measuring rod 310 of amesdial 30 is with always
On line, to increase the accuracy of detection.
Embodiment 2
It is provided in this embodiment for detect the cubing of belt pulley inner hole card slot internal diameter to be to carry out on the basis of embodiment 1
Optimization design.With reference to Fig. 7, a measuring rod extension rod 320, the measuring rod extension rod 320 are additionally provided in the through-hole 240
It is movably set in the through-hole 240 and the clearance fit between through-hole 240, so that the measuring rod extension rod 320 can be along institute
The movement of 240 axial direction of through-hole is stated, the front end of the measuring rod extension rod 320 and the dynamic measurement support 210 are inconsistent, the measurement
The rear end of bar extension rod 320 and the measuring rod 310 of the amesdial 30 are inconsistent, i.e., the measuring rod 310 of amesdial 30 is by being somebody's turn to do
Measuring rod extension rod 320 and dynamic measurement support 210 are inconsistent.The effect of the measuring rod extension rod 320 is when belt pulley to be measured
It is oversized when, it is existing purchase on the market obtained by amesdial measuring rod it is too short and cannot stretch to through-hole in and be measured with dynamic
Support 210 is inconsistent, can be extended by the measuring rod extension rod 320, so that the cubing can not be by pulley sizes
Limitation.
Preferably, the rear end face of the measuring rod extension rod 320 has the 310 front end phase of measuring rod with the amesdial 30
The cavity 3200 of setting is matched, the front end of the measuring rod 310 of amesdial 30 stretches in the cavity 3200 to be extended with the measuring rod
Bar 320 is fixed, in order to the assembly between the measuring rod 310 and measuring rod extension rod 320 of amesdial 30.
Embodiment 3
It is provided in this embodiment for detect the cubing of belt pulley inner hole card slot internal diameter to be to carry out on the basis of embodiment 1
Optimization design.With reference to Fig. 8, the dynamic measurement support 210 and quiet measurement support 220 include measurement support body 2200, with
And the first boss 2210 and second boss 2220 being extended from measurement support body top surface toward belt pulley inner hole axis direction,
The first boss 2210 and second boss 2220 are symmetrical arranged along belt pulley inner hole radial direction and have gap between the two
2230, the appearance for accommodating the stylus 300 is collectively formed in the first boss 2210 and the opposite side surface upper part of second boss 2220
2240 between emptying, (it is not shown in the figure, is merely illustrated in figure by bolt between the first boss 2210 and second boss 2220
Bolt hole 2250) locking is the stylus 300 to be fixed in the accommodating space 2240, due to first boss 2210 and second
There is gap 2230, therefore the locking degree among bolt can fix to a certain extent different sizes too between boss 2220
Small stylus 300, so that the dynamic measurement support 210 and quiet measurement support 220 can configure the stylus within the scope of certain size
300。
Preferably, there is the slotted hole being arranged along belt pulley inner hole radial direction in the measurement support body 2200
2260, measurement support body 2200 is bolted on workpiece pedestal 20 or sliding block 232, passes through slotted hole thereon
Distance of the 2260 adjustable each measurement support bodies 2200 relative to center of circle O, so as to be adapted in difference to a certain extent
The belt pulley of diameter.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (10)
1. a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter, it is characterised in that: including workpiece pedestal and be fixed on institute
The amesdial in workpiece pedestal is stated, the workpiece pedestal, which is positioned and fixed, to be mounted on mounting platform；The top of the workpiece pedestal
Pacify with supporting surface in the same plane and the dynamic measurement support being movably arranged in the workpiece pedestal with fixed in portion
The all upper fixed peace of at least two quiet measurement supports in the workpiece pedestal, the dynamic measurement support and each quiet measurement support
It is extended and is higher than the stylus of supporting surface along the radial direction of belt pulley inner hole equipped with one, all styluses are in the same plane
And set using the plane and the intersection point of axially bored line in belt pulley as center of circle circumference equal dividing, the dynamic measurement support can be along survey thereon
The axis direction of needle slides in the workpiece pedestal, also has in the workpiece pedestal and moves measurement support described in face and along skin
The extended through-hole of the radial direction of belt wheel inner hole, the measurement rod sleeve of the amesdial are fixedly mounted on the workpiece pedestal
On, and the measuring rod of the amesdial passes through the through-hole and the dynamic measurement support is inconsistent.
2. cubing according to claim 1, it is characterised in that: be fixedly installed with a sliding rail in the workpiece pedestal, the cunning
The sliding block that can be slided on the sliding rail along the radial direction of belt pulley inner hole on rail with one, the fixed peace of dynamic measurement support
Dress is on the slide block.
3. cubing according to claim 2, it is characterised in that: the sliding block have face described in through-hole side end face be with
The dynamic measurement vertically disposed conflict end face in bearing sliding direction, the measuring rod of the amesdial pass through the through-hole and the sliding block
The conflict end face it is inconsistent.
4. cubing according to claim 3, it is characterised in that: the stylus of the dynamic measurement support is located at the conflict end face
The surface of the center line extended along dynamic measurement bearing sliding direction, the measuring rod of the amesdial contact at the conflict
On the central point of end face.
5. cubing according to claim 1, it is characterised in that: be additionally provided with a measuring rod extension rod, institute in the through-hole
It states measuring rod extension rod to be movably set in the through-hole, the front end of the measuring rod extension rod offsets with the dynamic measurement support
Touching, the rear end of the measuring rod extension rod and the measuring rod of the amesdial are inconsistent.
6. cubing according to claim 5, it is characterised in that: the rear end face of the measuring rod extension rod has and described thousand
The cavity for dividing the measuring rod front end of table to match setting.
7. cubing according to claim 1, it is characterised in that: the measurement rod sleeve of the amesdial is fixedly mounted on described
In through-hole.
8. cubing according to claim 1, it is characterised in that: the dynamic measurement support and quiet measurement support include measurement
Support body and the first boss being extended from measurement support body top surface toward belt pulley inner hole axis direction and second convex
Platform, the first boss and second boss are symmetrical arranged along belt pulley inner hole radial direction and have between the two gap, and described the
The accommodating space for accommodating the stylus, the first boss and is collectively formed in one boss and the opposite side surface upper part of second boss
Locked between two boss by bolt the stylus to be fixed in the accommodating space.
9. cubing according to claim 8, it is characterised in that: have in the measurement support body along belt pulley internal orifice dimension
The slotted hole being arranged to direction.
10. cubing according to claim 1, it is characterised in that: be provided with multiple intervals on the top surface of the workpiece pedestal
The supporting surface is collectively formed in the boss of setting, the top surface of all boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580699.1U CN209559089U (en) | 2019-04-26 | 2019-04-26 | It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580699.1U CN209559089U (en) | 2019-04-26 | 2019-04-26 | It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter |
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| CN209559089U true CN209559089U (en) | 2019-10-29 |
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| CN201920580699.1U Active CN209559089U (en) | 2019-04-26 | 2019-04-26 | It is a kind of for detecting the cubing of belt pulley inner hole card slot internal diameter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483631A (en) * | 2021-07-20 | 2021-10-08 | 人本股份有限公司 | Inner diameter detection device of solid needle roller retainer |
| CN114061529A (en) * | 2021-11-01 | 2022-02-18 | 业成科技（成都）有限公司 | Aspheric surface measuring jig and aspheric surface measuring device |
-
2019
- 2019-04-26 CN CN201920580699.1U patent/CN209559089U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483631A (en) * | 2021-07-20 | 2021-10-08 | 人本股份有限公司 | Inner diameter detection device of solid needle roller retainer |
| CN114061529A (en) * | 2021-11-01 | 2022-02-18 | 业成科技（成都）有限公司 | Aspheric surface measuring jig and aspheric surface measuring device |
| CN114061529B (en) * | 2021-11-01 | 2023-08-08 | 业成科技（成都）有限公司 | Aspherical surface measuring jig and aspherical surface measuring device |
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Address after: 361000 phase II plant, No. 1030 Jimei North Avenue, Guankou Town, Jimei District, Xiamen City, Fujian Province Patentee after: Xiamen Jiexun Driving Wheel Machinery Co.,Ltd. Address before: 361000 19-B District, 788 North Road, Irrigation Town, Xiamen, Fujian, Jimei Patentee before: Xiamen Jiexun Driving Wheel Machinery Co.,Ltd. |