CN204286402U - A kind of internal taper hole pick-up unit - Google Patents
A kind of internal taper hole pick-up unit Download PDFInfo
- Publication number
- CN204286402U CN204286402U CN201420840708.3U CN201420840708U CN204286402U CN 204286402 U CN204286402 U CN 204286402U CN 201420840708 U CN201420840708 U CN 201420840708U CN 204286402 U CN204286402 U CN 204286402U
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- Prior art keywords
- internal taper
- taper hole
- cushion block
- support
- crossbeam
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of internal taper hole pick-up unit, comprise crossbeam, two supports, scale, auxiliary pole, positioning and fastening arrangement and several cushion blocks, described crossbeam has the locating slot extended along its length, described two supports are installed on crossbeam respectively by the positioning and fastening arrangement that the locating slot with crossbeam is equipped with mutually, described auxiliary pole is arranged on a support, auxiliary pole has work termination, described scale is arranged on another support, and the center line of auxiliary pole and the center line of scale are positioned on same axis.The utility model can realize large internal taper hole indirect detection convenient, effectively, neatly.
Description
Technical field
The utility model relates to a kind of test measuring device, especially about the pick-up unit of internal taper hole.
Background technology
Along with machinery industry technology constantly promotes, the design of being transmitted torsion by interference fit is extensively adopted in every profession and trade.For a long time, people experience cone match gradually has advantageous superiority in assembling, torsion transmission, maintenance etc., and even from little to several kilogram, all adopts cone match to design greatly to several tons of even larger products.
In the process of internal taper hole, in order to accurately control taper hole datum diameter and tapering (angle) value, existing general, most effective method adopts special feeler gauge indirectly to control these sizes exactly.For the part of little internal taper hole, feeler gauge generally only has within several kilograms, the Site Detection of very convenient operating personnel.Due to the progress of technology, large internal taper hole (such as ￠ 200mm) design is tending towards normality.In these internal taper hole process, to be correlated with corner if still adopt the mode of feeler gauge to detect internal taper hole, may to be difficult to realize.Because the feeler gauge weight of these specifications is even heavier up to tens kilograms, and operating personnel cannot pick up easily, accurately detect, put even if adopt overhead traveling crane to rise, also because of the shortcoming of overhead traveling crane itself, easily cause the potential dangers such as generation between feeler gauge and product is collided with, scuffing.Once these dangerous generations, measurer, product rejection may be caused, bring serious economic loss.
Generally, for the Product processing containing large internal taper hole, detection mode whether accurately controlled, the convenient operation of product must be considered when selecting equipment and detection mode.At present, in order to realize this requirement, generally have two kinds of production organization methods: a kind of is exactly select the equipment containing self-checking function, one is exactly detect by three-dimensional continually, adjustment equipment.The former, lathe acquisition cost is higher, is unfavorable for reducing production cost and tissue production; The latter, production efficiency cannot give full play to, the control that product quality on the contrary cannot be stable.
Summary of the invention
The purpose of this utility model is to provide a kind of internal taper hole pick-up unit that can realize large internal taper hole indirect detection convenient, effectively, neatly.
In order to achieve the above object, the technical solution of the utility model is: a kind of internal taper hole pick-up unit, comprise crossbeam, two supports, scale, auxiliary pole, positioning and fastening arrangement and several cushion blocks, described crossbeam has the locating slot extended along its length, described two supports are installed on crossbeam respectively by the positioning and fastening arrangement that the locating slot with crossbeam is equipped with mutually, described auxiliary pole is arranged on a support, auxiliary pole has work termination, described scale is arranged on another support, the center line of auxiliary pole and the center line of scale are positioned on same axis.
Described positioning and fastening arrangement comprises bolt and register pin, and bolt is connected with corresponding support through the locating slot of crossbeam, and register pin is fixed on support, and is slidably matched with locating slot.
The bolt of the positioning and fastening arrangement of each support is at least 1, and register pin is at least 1.
Described support contains two workplaces, one workplace of support is provided with bolt hole and dowel hole, the bolt of bolt hole and positioning and fastening arrangement matches, the register pin of dowel hole and positioning and fastening arrangement matches, another workplace of support is provided with mounting hole, and described scale and auxiliary pole are arranged on the mounting hole of respective holder respectively.
The xsect of described support is L shape.
The mounting hole of described support is other is provided with tight fixed bolt.
Have a tapped through hole in the middle of described cushion block, bolt passes the locating slot of crossbeam and is fixedly connected with cushion block screw thread, and described cushion block is arranged on the two ends of crossbeam respectively.
The work termination of described auxiliary pole is circular arc type
.
After adopting said structure, the utility model can realize the indirect detection of large each corner of internal taper hole convenient, effectively, neatly.The utility model, for being not easy to the product using the given cross-section cone diameter of the internal taper hole of feeler gauge detection, internal taper hole tapering (coning angle) detects, can solve product in process effectively because coming and going handling, detecting the drawbacks such as the production efficiency brought is low, product quality is uncontrollable.In addition, the locating slot of internal taper hole pick-up unit of the present utility model owing to there being length direction to extend, therefore, it is possible to survey the internal taper hole of different size, strong adaptability, applied widely.
Accompanying drawing explanation
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the structural representation of internal taper hole pick-up unit of the present utility model, i.e. the view of two ends when increasing cushion block;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A cut-open view of Fig. 1;
Fig. 4 is the structural representation that internal taper hole pick-up unit of the present utility model is placed in calibrated bolck;
Fig. 5 is the structural representation that internal taper hole pick-up unit of the present utility model is placed in product to be checked;
Fig. 6 is the another kind of structural representation of internal taper hole pick-up unit of the present utility model, i.e. the view of two ends when not increasing cushion block;
Fig. 7 is the structural representation of the internal taper hole of product to be checked.
Embodiment
As Fig. 1, 2, 3, 4, shown in 5, a kind of internal taper hole pick-up unit of the present utility model, comprise crossbeam 4, two supports 5, scale 1, auxiliary pole 2, positioning and fastening arrangement 6 and several cushion blocks 3, described crossbeam 4 has the locating slot 4-1 extended along its length, the positioning and fastening arrangement 6 that described two supports 5 are equipped with respectively by the locating slot 4-1 phase with crossbeam 4 is installed on crossbeam 4, described auxiliary pole 2 is arranged on a support 5, auxiliary pole 2 has work termination 2-1, described scale 1 is arranged on another support 5, the center line of auxiliary pole 2 and the center line of scale 1 are positioned on same axis.
As shown in Fig. 1,2,4,5, described positioning and fastening arrangement 6 comprises bolt 6-1 and register pin 6-2, and bolt 6-1 is connected with corresponding support 5 through the locating slot 4-1 of crossbeam 4, and register pin 6-2 is fixed on support 5, and is slidably matched with locating slot 4-1.
As shown in Fig. 1,2,4,5, the bolt 6-1 of the positioning and fastening arrangement 6 of each support 5 is at least 1, and register pin 6-2 is at least 1.For less demanding measurer, also can without register pin 6-2.
As shown in Fig. 1,4,5, described support 5 is containing two workplaces, one workplace of support 5 is provided with bolt hole 5-2 and dowel hole 5-3, the bolt 6-1 of bolt hole 5-2 and positioning and fastening arrangement 6 matches, the register pin 6-2 of dowel hole 5-3 and positioning and fastening arrangement 6 matches, another workplace of support 5 is provided with mounting hole 5-1, and described scale 1 and auxiliary pole 2 are arranged on the mounting hole 5-1 of respective holder 5 respectively.
As shown in Fig. 1,4,5, the xsect of described support 5 is L shape.
As shown in Fig. 1,2,3,4,5, the mounting hole 5-1 of described support 5 is other is provided with tight fixed bolt 7.In order to lock auxiliary pole 2, tight fixed bolt 7 can adopt the mode directly withstood to lock, also can lock opening groove mode locking etc.
As shown in Fig. 1,4,5, have a tapped through hole in the middle of described cushion block 3, bolt 8 passes the locating slot 4-1 of crossbeam 4 and is fixedly connected with cushion block 3 screw thread, and described cushion block 3 is arranged on the two ends of crossbeam 4 respectively.Cushion block 3 as the end contact as the internal taper hole with calibrated bolck or product to be measured also can not establish tapped through hole, and it is also feasible for only needing tapped blind hole.
The utility model scale 1 used can be dial gauge also can be clock gauge.
As shown in Fig. 1,4,5, the work termination 2-1 of described auxiliary pole 2 is circular arc type
.also can be can other suitable shape close-fitting with internal taper hole.
As shown in Figure 7, capitalization
represent the given cross-section cone diameter of the internal taper hole of described product 9 ' to be checked, capitalization
represent the coning angle of the internal taper hole of described product 9 ' to be checked.
As shown in Fig. 1,2,3,4,5,6,7, adopt the internal taper hole detection method of any one above-mentioned internal taper hole pick-up unit, comprise following detecting step:
The first step, selects a calibrated bolck 9: the internal taper hole coning angle of this calibrated bolck 9
meet the requirement of the internal taper hole coning angle reached required for product 9 ' to be checked, the given cross-section cone diameter of the internal taper hole of this calibrated bolck 9 is designated as
; The given cross-section cone diameter of the internal taper hole of this calibrated bolck 9
the length of corresponding given xsect is designated as
;
Second step, select cushion block 3: form two cover survey mass with cushion block 3, be designated as A respectively and overlap survey mass and B cover survey mass, often overlap survey mass to be made up of two groups of cushion block groups respectively, two groups of cushion block groups that A overlaps in survey mass are designated as A1 cushion block group and A2 cushion block group respectively, and two groups of cushion block groups that B overlaps in survey mass are designated as B1 cushion block group and B2 cushion block group respectively, wherein, A1 cushion block group, A2 cushion block group, B1 cushion block group and B2 cushion block group need meet following condition: the height of the first, A1 cushion block group and A2 cushion block group is equal, is designated as
, the height of B1 cushion block group and B2 cushion block group is equal, is designated as
, the second,
be not equal to
, the 3rd,
with
all be not more than the distance h of center line to the internal conical surface starting point K of the internal taper hole of calibrated bolck 9 of auxiliary pole 2;
3rd step, installs and measures block: A is overlapped A1 cushion block group in survey mass and A2 cushion block group to be arranged on the locating slot 4-1 of crossbeam 4 two ends respectively by bolt 8;
4th step, adjustment internal taper hole pick-up unit: the internal taper hole pick-up unit the 3rd step being provided with A1 cushion block group and A2 cushion block group is placed on the end face S of calibrated bolck 9, the end face M of A1 cushion block group is contacted with the end face S of calibrated bolck 9 with the end face M2 of A2 cushion block group, support 5 is arranged in the internal taper hole of calibrated bolck 9, again according to the size of the internal taper hole of calibrated bolck 9, the position of adjusting pole 5, until the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of calibrated bolck 9 with the gauge outfit of scale 1, make the displayed value of scale 1
meet following inequation group
irequirement, then fixes A1 cushion block group and A2 cushion block group and support 5, auxiliary pole 2 and scale 1, the internal taper hole pick-up unit after being adjusted; Record the displayed value of now scale 1, be designated as
;
inequation group
i,
Wherein:
the given cross-section cone diameter reached required for product 9 ' to be checked, the length of the given xsect that this diameter is corresponding
with the given cross-section cone diameter of calibrated bolck 9
the length of corresponding given xsect
equal, namely
=
;
5th step, internal taper hole pick-up unit after whole for 4th step is placed on the end face S ' of product 9 ' to be checked, the end face M1 of A1 cushion block group is contacted with the end face S ' of product 9 ' to be checked with the end face M2 of A2 cushion block group, support 5 is arranged in the internal taper hole of product 9 ' to be checked, and the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of product 9 ' to be checked with the gauge outfit of scale 1; Record the displayed value of now scale 1, be designated as
;
6th step, changes survey mass: pull down A1 cushion block group and A2 cushion block group, and B is overlapped B1 cushion block group in survey mass and B2 cushion block group to be arranged on the locating slot 4-1 of crossbeam 4 two ends respectively by bolt 8;
7th step, the internal taper hole pick-up unit being provided with B1 cushion block group and B2 cushion block group that 6th step obtains is placed on the end face S ' of product 9 ' to be checked, the end face M1 ' of B1 cushion block group is contacted with the end face S ' of product 9 ' to be checked with the end face M2 ' of B2 cushion block group, support 5 is arranged in the internal taper hole of product 9 ' to be checked, and the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of product 9 ' to be checked with the gauge outfit of scale 1; Record the displayed value of now scale 1, be designated as
;
8th step, calculates the given cross-section cone diameter of the internal taper hole of product 9 ' to be checked according to following formula II
, according to following formula
iIIcalculate internal taper hole coning angle
,
formula II,
formula
iII.
As shown in Fig. 1,2,3,4,5,6,7, adopt the another kind of internal taper hole detection method of any one above-mentioned internal taper hole pick-up unit, comprise following detecting step:
The first step, selects a calibrated bolck 9: the internal taper hole coning angle of this calibrated bolck 9
meet the requirement of the internal taper hole coning angle reached required for product 9 ' to be checked, the given cross-section cone diameter of the internal taper hole of this calibrated bolck 9 is designated as
; The given cross-section cone diameter of the internal taper hole of this calibrated bolck 9
the length of corresponding given xsect is designated as
;
Second step, select cushion block 3, a set of survey mass is formed with cushion block 3, be designated as A and overlap survey mass, A overlaps survey mass and is made up of two groups of cushion block groups respectively, and two groups of cushion block groups in this cover survey mass are designated as A1 cushion block group and A2 cushion block group respectively, wherein, A1 cushion block group, A2 cushion block group need meet following condition: the height of the first, A1 cushion block group and A2 cushion block group is equal, is designated as
, the second,
be not more than the distance h of center line to the internal conical surface starting point K of the internal taper hole of calibrated bolck 9 of auxiliary pole 2;
3rd step, installs and measures block, and A is overlapped A1 cushion block group in survey mass and A2 cushion block group to be arranged on the locating slot 4-1 of crossbeam 4 two ends respectively by bolt 8;
4th step, adjustment internal taper hole pick-up unit: the internal taper hole pick-up unit the 3rd step being provided with A1 cushion block group and A2 cushion block group is placed on the end face S of calibrated bolck 9, the end face M of A1 cushion block group is contacted with the end face S of calibrated bolck 9 with the end face M2 of A2 cushion block group, and support 5 is arranged in the internal taper hole of calibrated bolck 9; According to the size of the internal taper hole of calibrated bolck 9, the position of adjusting pole 5, until the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of calibrated bolck 9 with the gauge outfit of scale 1, makes the displayed value of scale 1
meet following inequation group
i' requirement, then fix A1 cushion block group and A2 cushion block group and support 5, auxiliary pole 2 and scale 1, the internal taper hole pick-up unit after being adjusted, records the displayed value of now scale 1, is designated as
;
inequation group
i',
Wherein:
the given cross-section cone diameter reached required for product 9 ' to be checked, the length of the given xsect that this diameter is corresponding
with the given cross-section cone diameter of calibrated bolck 9
the length of corresponding given xsect
equal, namely
=
;
5th step, internal taper hole pick-up unit after whole for 4th step is placed on the end face S ' of product 9 ' to be checked, the end face M1 of A1 cushion block group is contacted with the end face S ' of product 9 ' to be checked with the end face M2 of A2 cushion block group, support 5 is arranged in the internal taper hole of product 9 ' to be checked, and the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of product 9 ' to be checked with the gauge outfit of scale 1; Record the displayed value of now scale 1, be designated as
;
6th step, removes survey mass, pulls down A1 cushion block group and A2 cushion block group;
7th step, the internal taper hole pick-up unit that 6th step obtains is placed on the end face S ' of product 9 ' to be checked, the end face N of crossbeam 4 is contacted with the end face S ' of product 9 ' to be checked, support 5 is arranged in the internal taper hole of product 9 ' to be checked, and the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of product 9 ' to be checked with the gauge outfit of scale 1; Record the displayed value of now scale 1, be designated as
;
8th step, calculates the given cross-section cone diameter of the internal taper hole of product 9 ' to be checked according to following formula II
, according to following formula
iII' calculate the coning angle of internal taper hole
,
formula II,
formula
iII'.
Specifically to detect a kind of maximum cone diameter of internal taper hole
namely, the length of given xsect is designated as mm(
given cross-section cone diameter during=0mm
=
mm), the coning angle of internal taper hole 1 ° 8 ' 45 " ± 6 " product 9 ' to be checked of (tapering is 1:50) is example, sees Fig. 7;
The first step, selects a calibrated bolck 9: the internal taper hole coning angle of this calibrated bolck 9
=1 ° 8 ' 46 ", meet the requirement of the internal taper hole coning angle reached required for product 9 ' to be checked; The given cross-section cone diameter of the cone endoporus of this calibrated bolck 9 is designated as
=209.900mm, the given cross-section cone diameter of the internal taper hole of this calibrated bolck 9
the length of corresponding given xsect is designated as
=0mm;
Second step, select cushion block 3, a set of survey mass is formed with six pieces of cushion blocks 3, be designated as A and overlap survey mass, A overlaps survey mass and is made up of two groups of cushion block groups respectively, and two groups of cushion block groups in this cover survey mass are designated as A1 cushion block group and A2 cushion block group respectively, wherein, A1 cushion block group, A2 cushion block group need meet following condition: the height of A1 cushion block group and A2 cushion block group is equal, is designated as
=40.02mm, the second,
be not more than the distance h=50mm of center line to the internal conical surface starting point K of the internal taper hole of calibrated bolck 9 of auxiliary pole 2;
3rd step, installs and measures block, and A is overlapped A1 cushion block group in survey mass and A2 cushion block group to be arranged on the locating slot 4-1 of crossbeam 4 two ends respectively by bolt 8;
4th step, adjustment internal taper hole pick-up unit: the internal taper hole pick-up unit the 3rd step being provided with A1 cushion block group and A2 cushion block group is placed on the end face S of calibrated bolck 9, the end face M of A1 cushion block group is contacted with the end face S of calibrated bolck 9 with the end face M2 of A2 cushion block group, and support 5 is arranged in the internal taper hole of calibrated bolck 9; According to the size of the internal taper hole of calibrated bolck 9, the position of adjusting pole 5, until the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of calibrated bolck 9 with the gauge outfit of scale 1, makes the displayed value of scale 1
meet following inequation group
i' requirement, then fix A1 cushion block group and A2 cushion block group and support 5, auxiliary pole 2 and scale 1, the internal taper hole pick-up unit after being adjusted, records the displayed value of now scale 1, is designated as
;
inequation group
i',
Wherein:
the given cross-section cone diameter reached required for product 9 ' to be checked, the length of the given xsect that this diameter is corresponding
with the given cross-section cone diameter of calibrated bolck 9
the length of corresponding given xsect
equal, namely
=
=0mm;
Select in this example
=210.025mm, through calculating
>0.125mm, actually in this example selects
=0.3mm, namely contacts the displayed value of the scale 1 after the internal conical surface of the internal taper hole of calibrated bolck 9
=0.3mm;
5th step, is placed in the internal taper hole pick-up unit after whole for the 4th step on the end face S ' of product 9 ' to be checked, and the end face M1 of A1 cushion block group is contacted with the end face S ' of product 9 ' to be checked with the end face M2 of A2 cushion block group; Support 5 is arranged in the internal taper hole of product 9 ' to be checked, the internal conical surface of the internal taper hole of the work termination 2-1 of auxiliary pole 2 and the gauge outfit product 9 ' to be checked of scale 1; Record the displayed value of now scale 1, be designated as
=0.225mm;
6th step, removes survey mass, pulls down A1 cushion block group and A2 cushion block group;
7th step, is placed in the internal taper hole pick-up unit that the 6th step obtains on the end face S ' of product 9 ' to be checked, and the end face N of crossbeam 4 is contacted with the end face S ' of product 9 ' to be checked; Support 5 is arranged in the internal taper hole of product 9 ' to be checked, and the work termination 2-1 of auxiliary pole 2 contacts the internal conical surface of the internal taper hole of product 9 ' to be checked with the gauge outfit of scale 1; Record the displayed value of now scale 1, be designated as
=1.026mm;
8th step, calculates the given cross-section cone diameter of the internal taper hole of product 9 ' to be checked according to following formula II
, the coning angle of internal taper hole is calculated according to following formula III '
,
formula II,
=209.900+(0.300-0.225)=209.975mm
formula
iII',
=
=1°8’48”
As calculated, the internal taper hole of this grinding meets the requirement of product 9 ' to be checked.If the given cross-section cone diameter of the internal taper hole calculated above
, endoporus coning angle
in one or two requirement not meeting product to be checked, then need to readjust grinding after lathe, then again detect, calculate by the requirement of the 5th step to the 9th step, until each corner all reaches product requirement to be checked.
The size of the circular cone in the utility model and tolerance note method are carried out according to National Standard of the People's Republic of China's " size of GB/T 15754-1995 technical drawing circular cone and tolerance note method ".
Claims (8)
1. an internal taper hole pick-up unit, is characterized in that:
A, comprise crossbeam (4), two supports (5), scale (1), auxiliary pole (2), positioning and fastening arrangement (6) and several cushion blocks (3),
B, described crossbeam (4) have the locating slot (4-1) extended along its length,
C, described two supports (5) are installed on crossbeam (4) respectively by the positioning and fastening arrangement (6) that the locating slot (4-1) with crossbeam (4) is equipped mutually,
D, described auxiliary pole (2) are arranged on a support (5), and auxiliary pole (2) has work termination (2-1),
E, described scale (1) are arranged on another support (5), and the center line of auxiliary pole (2) and the center line of scale (1) are positioned on same axis.
2. internal taper hole pick-up unit according to claim 1, it is characterized in that: described positioning and fastening arrangement (6) comprises bolt (6-1) and register pin (6-2), bolt (6-1) is connected with corresponding support (5) through the locating slot (4-1) of crossbeam (4), register pin (6-2) is fixed on support (5), and is slidably matched with locating slot (4-1).
3. internal taper hole pick-up unit according to claim 2, is characterized in that: the bolt (6-1) of the positioning and fastening arrangement (6) of each support (5) is at least 1, and register pin (6-2) is at least 1.
4. internal taper hole pick-up unit according to claim 2, it is characterized in that: described support (5) is containing two workplaces, one workplace of support (5) is provided with bolt hole (5-2) and dowel hole (5-3), bolt hole (5-2) matches with the bolt (6-1) of positioning and fastening arrangement (6), dowel hole (5-3) matches with the register pin (6-2) of positioning and fastening arrangement (6), another workplace of support (5) is provided with mounting hole (5-1), and described scale (1) and auxiliary pole (2) are arranged on the mounting hole (5-1) of respective holder (5) respectively.
5. internal taper hole pick-up unit according to claim 4, is characterized in that: the xsect of described support (5) is L shape.
6. internal taper hole pick-up unit according to claim 4, is characterized in that: the mounting hole (5-1) of described support (5) is other is provided with tight fixed bolt (7).
7. internal taper hole pick-up unit according to claim 1, it is characterized in that: in the middle of described cushion block (3), have a tapped through hole, bolt (8) through crossbeam (4) locating slot (4-1) and be fixedly connected with cushion block (3) screw thread, described cushion block (3) is arranged on the two ends of crossbeam (4) respectively.
8. internal taper hole pick-up unit according to claim 1, is characterized in that: the work termination (2-1) of described auxiliary pole (2) is in circular arc type
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840708.3U CN204286402U (en) | 2014-12-26 | 2014-12-26 | A kind of internal taper hole pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840708.3U CN204286402U (en) | 2014-12-26 | 2014-12-26 | A kind of internal taper hole pick-up unit |
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| Publication Number | Publication Date |
|---|---|
| CN204286402U true CN204286402U (en) | 2015-04-22 |
Family
ID=52869552
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|---|---|---|---|
| CN201420840708.3U Expired - Fee Related CN204286402U (en) | 2014-12-26 | 2014-12-26 | A kind of internal taper hole pick-up unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567781A (en) * | 2014-12-26 | 2015-04-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Inner taper hole detection device and inner taper hole detection method |
| CN108007316A (en) * | 2017-12-21 | 2018-05-08 | 西安法士特汽车传动有限公司 | A kind of cone mouth overall dimensions go-no go gauge cubing and its detection method |
-
2014
- 2014-12-26 CN CN201420840708.3U patent/CN204286402U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567781A (en) * | 2014-12-26 | 2015-04-29 | 南车戚墅堰机车车辆工艺研究所有限公司 | Inner taper hole detection device and inner taper hole detection method |
| CN104567781B (en) * | 2014-12-26 | 2017-12-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Internal taper hole detection means and inner cone hole inspection method and hole inspection |
| CN108007316A (en) * | 2017-12-21 | 2018-05-08 | 西安法士特汽车传动有限公司 | A kind of cone mouth overall dimensions go-no go gauge cubing and its detection method |
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Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CRRC QISHUYAN INSTITUTE CO., LTD. |
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| 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: 20150422 Termination date: 20181226 |