CN103486943A - Taper hole depth detecting device - Google Patents
Taper hole depth detecting device Download PDFInfo
- Publication number
- CN103486943A CN103486943A CN201310416138.5A CN201310416138A CN103486943A CN 103486943 A CN103486943 A CN 103486943A CN 201310416138 A CN201310416138 A CN 201310416138A CN 103486943 A CN103486943 A CN 103486943A
- Authority
- CN
- China
- Prior art keywords
- taper hole
- face
- hole depth
- detection apparatus
- fore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A taper hole depth detecting device comprises a detecting body, a jack-prop, a dial gauge and a spherical measuring piece. The detecting body comprises a first end portion and a second end portion opposite to the first end portion. The detecting body is further provided with a containing cavity. The jack-prop is arranged in the containing cavity of the detecting body in a sliding mode along the axis of the detecting body and is provided with a first end face and a second end face opposite to the first end face. The dial gauge comprises a dial gauge head and a dial gauge rod connected to the dial gauge head. The dial gauge rod penetrates through the first end portion of the detecting body and is provided with a measuring end face. The measuring end face abuts against the first end face of the jack-prop. The spherical measuring piece is located on the second end portion of the detecting body and abuts against the second end face of the jack-prop. The taper hole depth detecting device is simple in structure, convenient to carry, and capable of detecting the depth of a taper hole quickly, efficiently and reliably.
Description
Affiliated technical field
The present invention relates to the detection technique field, and be particularly related to a kind of taper hole depth detection apparatus.
Background technology
Taper hole is widely used on product, and for example the center pit at axle two ends is exactly a kind of taper hole, in the batch production of axle, the degree of depth of center pit is a very important parameter, it directly has influence on the variation of axial dimension, and therefore, the measurement of the taper hole degree of depth is very important.
At present, the measurement of the taper hole degree of depth normally adopts steel ball and height gauge to be measured on platform, there is following shortcoming in this metering system: 1, because platform must, in fixed position, measure place relatively fixing, so the measurement of the workpiece taper hole degree of depth can not be carried out everywhere.2, because workpiece must take off from lathe, be placed on platform and just can be measured, thereby can't realize on-line measurement.If 3 need to measure the taper hole degree of depth, workpiece need to be taken off from lathe, then be measured, once inaccuracy of dimensions, need refill to be fitted on lathe and be done over again, due to the repetitive positioning accuracy deficiency of clamping workpiece, therefore the rework operation complicated and time consumption is long, is unfavorable for that workpiece does over again.
Summary of the invention
The object of the invention is to, a kind of taper hole depth detection apparatus is provided, it is simple in structure, is easy to carry, and can rapidly and efficiently carry out reliably the detection of the taper hole degree of depth.
It is to adopt following technical scheme to realize that the present invention solves its technical matters.
The present invention proposes a kind of taper hole depth detection apparatus, and it comprises detection main body, fore-set, dial gauge and spherical measuring piece.Detect main body and comprise first end and the second end relative with first end, and there is accommodating cavity.Fore-set is arranged in the accommodating cavity that detects main body slidably along the axis of this detection main body, and fore-set has the first end face and second end face relative with the first end face.Dial gauge comprises gauge outfit and is connected in the table bar of gauge outfit, the table bar be arranged in the first end that detects main body and with the first end face of fore-set against contacting.Spherical measuring piece is positioned at the second end of this detection body and against the second end face that is contacted with fore-set.
The invention has the beneficial effects as follows, taper hole depth detection apparatus of the present invention utilization is slidably arranged in the fore-set in the accommodating cavity that detects body along the axis of detecting main body, make the table bar of the first end face of fore-set against the contact dial gauge, the second end face of fore-set is arranged in the spherical measuring piece of taper hole to be measured against contact, just can obtain the height change of spherical measuring piece in bellmouth to be measured by dial gauge fast, thereby whether the degree of depth of acquisition taper hole meets the requirements.This taper hole depth detection apparatus is simple in structure, is easy to carry, and can rapidly and efficiently carry out reliably the detection of the taper hole degree of depth.
The accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the taper hole depth detection apparatus of one embodiment of the invention.
Fig. 2 is the assembling sectional structure schematic diagram of the taper hole depth detection apparatus of one embodiment of the invention.
Fig. 3 is the use view that the taper hole depth detection apparatus shown in Fig. 2 coordinates with standard component.
Fig. 4 is the use view that the taper hole depth detection apparatus shown in Fig. 2 detects taper hole to be measured.
Embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to taper hole depth detection apparatus of the present invention, be described in detail as follows.
Fig. 1 is the decomposition texture schematic diagram of the taper hole depth detection apparatus of one embodiment of the invention.Fig. 2 is the assembling sectional structure schematic diagram of the taper hole depth detection apparatus of one embodiment of the invention.Please see figures.1.and.2 in the lump, in the present embodiment, taper hole depth detection apparatus 100 mainly comprises detection main body 110, fore-set 120, dial gauge 130 and spherical measuring piece 140.
In the present embodiment, detect roughly cylindrical structure of main body 110, but not as limit.Detect main body 110 and comprise first end 111 and the second end 112 relative with first end 111, detect in main body 110 and there is accommodating cavity 113.Because the accommodating cavity 113 that detects body 110 is for accommodating fore-set 120, the shape and size that therefore detect the accommodating cavity 113 of body 110 should the suitable fore-set 120 that holds.The first end 111 that detects body 110 is provided with the first through hole 114 is communicated with accommodating cavity 113, and the second end 112 of detection body 110 is provided with the second through hole 115 be communicated with accommodating cavity 113, and the second end 112 has against plane 116.In addition, detect body 110 and also have pore 117, pore 117 is connected with accommodating cavity 113, can be used for discharging the interior gas of accommodating cavity 113.
Fore-set 120 is mounted slidably in the accommodating cavity 113 that detects main body 110 along the axis O that detects main body 110, particularly, fore-set 120 can 112 slide along the axis O that detects main body 110 from first end 111 to the second end, also can 111 slide along the axis O that detects main body 110 from the second end 112 to first end.In the present embodiment, fore-set 120 comprises the first push rod 121 and the second push rod 122 be connected with the first push rod 121, and the diameter of the second push rod 122 is greater than the diameter of the first push rod 121.The outside surface of the second push rod 122 has stopper slot 125.In the present embodiment, stopper slot 125 is for example the ring groove that is positioned at the outside surface of the second push rod 122.Be understandable that, in other embodiments, stopper slot 125 can be also to be positioned at the outside surface of the second push rod 122 and the length direction strip groove parallel with the axis O that detects main body 110 etc.The first push rod 121 has the first end face 123, the second push rods 122 and has the second end face 124, and the first end face 123 and the second end face 124 are plane.Fore-set 120 is arranged in accommodating cavity 113, the first push rod 121 is near the close the second end 112 of first end 111, the second push rods 122, therefore, the first end face 123 of the first push rod 121 towards the second end face 124 of the first through hole 114, the second push rods 122 towards the second through hole 115.Be preferably for the ease of the diameter of placing fore-set 120, the second push rods 122 diameter that is less than or equal to the second through hole 115.In addition, in order to prevent fore-set 120, in the process of the axis O slip along detecting main body 110, from the second through hole 115, deviate from, detect on main body 110 and also be provided with locating part 118, locating part 118 has the positive stop end 118a that is arranged in stopper slot 125.In the present embodiment, detect main body 110 and offer screw 119, locating part 118 is for being arranged at the bolt of screw 119.When fore-set 120 at the axis O along detecting main body 110 from first end 111 to the second end during 112 slip certain distance, the positive stop end 118a that is arranged in stopper slot 125 just can stop fore-set 120 further slip of 112 from first end 111 to the second end, to prevent fore-set 120, from the second through hole 115, deviates from.
Hold above-mentionedly, in order better to realize fore-set 120 112 the slip from first end 111 to the second end along the axis O that detects main bodys 110, taper hole depth detection apparatus 100 also can comprise elastic component 105.In the present embodiment, elastic component 105 is for example Compress Spring, and elastic component 105 is positioned at accommodating cavity 113 and is sheathed on the first push rod 121 of fore-set 120.Because the diameter of the second push rod 122 is greater than the diameter of the first push rod 121, an end of elastic component 105 is against the second push rod 122, and the other end is against the first end 111 that detects body 110.When fore-set 120 is subject to External Force Acting along 111 the slip from the second end 112 to first end of the axis O that detects main body 110, elastic component 105 can be subject to force compresses, after External Force Acting is cancelled, the recovery of elastic component 105 can make from first end 111 to the second end 112 the slip of fore-set 120 along the axis O that detects main bodys 110.In addition, also there is owing to detecting body 110 pore 117 be connected with accommodating cavity 113, for discharging the interior gas of accommodating cavity 113, particularly, in compression elastic piece 105 processes for getting rid of the gas in accommodating cavity 113, therefore, pore 117 is preferably the position of the first push rod 121 that is positioned at corresponding fore-set 120.
The table bar 132 that dial gauge 130 comprises gauge outfit 131 and is connected in gauge outfit 131.In the present embodiment, table bar 132 is arranged in the first through hole 114 of the first end 111 that detects main body 110, and with the first end face 123 of the first push rod 121 of the fore-set 120 that is positioned at the accommodating cavity 113 that detects body 110 against contacting.Table bar 132 comprises sounding rod 133 and is set in the outer guard bar 134 of sounding rod 133.Sounding rod 133 has measuring junction 135 away from an end of gauge outfit 131, and measuring junction 135 is against the first end face 123 of contact fore-set 120.For fixedly dial gauge 130 is to detecting body 110, taper hole depth detection apparatus 100 also comprises chuck 150.Particularly, chuck 150 is arranged at the gauge outfit 131 of dial gauge 130 and detects between the first end 111 of body 110, and grips the table bar 132 of dial gauge 130.In the present embodiment, chuck 150 is provided with clamping part 151, and the guard bar 134 of the table bar 132 of dial gauge 130 is arranged at clamping part 151, and is fixed by bolt 152.Further, chuck 150 also is provided with a plurality of screws 153, the first end 111 that detects body 110 also is provided with the mounting hole 108 of corresponding screw 153, and chuck 150 is fixed in to the first end 111 that detects body 110 by the bolt 154 that is arranged at screw 153 and mounting hole 108.It is worth mentioning that, the structure of chuck 150 is not limited with the structure of the present embodiment, and it is also applicable in the structure of the first end 111 that detects body 110 that other can grip dial gauge 130.
In the present embodiment, spherical measuring piece 140 is for example steel ball.The diameter of spherical measuring piece 140 is less than the diameter of the second through hole 115, and it can configure according to actual detection demand the spherical measuring piece 140 of various different-diameters.When utilizing taper hole depth detection apparatus 100 to carry out the taper hole depth detection, spherical measuring piece 140 is to be positioned at the second end 112 that detects body 110 and against the second end face 124 that is contacted with fore-set 120.In order to realize fast the whether satisfactory detection of the taper hole degree of depth, taper hole depth detection apparatus 100 also can comprise standard component 160.Standard component 160 has index plane 161, offers that coordinate with spherical measuring piece 140 on index plane 161 and has a standard taper hole 162 of standard cone hole depth.Certainly, be understandable that, according to actual detection demand, can configure the various standard taper holes 162 with various criterion taper hole degree of depth.
Below will the use of the detection cone hole depth of taper hole depth detection apparatus 100 be conducted further description.At first, please refer to Fig. 3, utilize 160 pairs of taper hole depth detection apparatus of standard component 100 to carry out calibration operation.Spherical measuring piece 140 is placed in to the standard taper hole 162 of standard component 160, afterwards, the second end face 124 of the fore-set of taper hole depth detection apparatus 100 120 is resisted against to the top of spherical measuring piece 140, make simultaneously detect body 110 against plane 116 with the index plane 161 of standard component 160 against contacting.Now, can carry out reading of standard to dial gauge 130, to carry out the measurement of the follow-up taper hole degree of depth.In order to simplify follow-up survey measurements, also can be returned to zero to dial gauge 130, be about to reading of standard and be set to zero.Please refer to Fig. 4, when carrying out the taper hole depth survey, spherical measuring piece 140 is placed in to the taper hole to be measured 22 of detection faces 21 formation of workpiece 20, afterwards, the second end face 124 of the fore-set of taper hole depth detection apparatus 100 120 is resisted against to the top of spherical measuring piece 140, make simultaneously detect body 110 against plane 116 with the detection faces 21 of workpiece 20 against contacting.If now the reading of dial gauge 130 equals reading of standard, illustrate that the degree of depth of the taper hole to be measured 21 of workpiece 20 meets the requirements.If now the reading of dial gauge 130 is not equal to reading of standard, illustrate that the degree of depth of taper hole to be measured 21 of workpiece 20 is undesirable.Further, if now the reading of dial gauge 130 is greater than reading of standard, when the detection faces 21 that spherical measuring sensor 140 outstanding workpiece 20 are described is highly compared measurement standard part 160, the height of outstanding index plane 161 is larger, make fore-set 120 with respect to the position of measurement standard part 160 further along 111 the slip from the second end 112 to first end of the axis O that detects main body 110, and then the degree of depth that taper hole 21 to be measured is described is less than the degree of depth of standard taper hole 162, need to does over again and further process.If now the reading of dial gauge 130 is less than reading of standard, when the detection faces 21 that spherical measuring sensor 140 outstanding workpiece 20 are described is highly compared measurement standard part 160, the height of outstanding index plane 161 is less, make fore-set 120 with respect to the position of measurement standard part 160 further along 112 the slip from first end 111 to the second end of the axis O that detects main body 110, the degree of depth that the taper hole to be measured 21 of workpiece 20 is described is greater than standard taper hole 162 degree of depth, need to do over again and further processes or scrapped processing.
Taper hole depth detection apparatus 100 of the present invention utilizes along the axis O that detects main body 110 and is slidably arranged in the fore-set 120 in the accommodating cavity 113 that detects body 110, make the measurement end face 135 of the first end face 123 of fore-set 120 against the table bar 132 of contact dial gauge 130, the second end face 124 of fore-set 120 is arranged in the spherical measuring piece 140 of taper hole to be measured against contact, just can obtain the height change of spherical measuring piece 140 in bellmouth to be measured by dial gauge 130 fast, thereby whether the degree of depth of acquisition taper hole meets the requirements.Taper hole depth detection apparatus 100 is simple in structure, is easy to carry, and can rapidly and efficiently carry out reliably the detection of the taper hole degree of depth.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a taper hole depth detection apparatus, is characterized in that, it comprises:
Detect main body, comprise first end and the second end relative with this first end, and there is accommodating cavity;
Fore-set, be arranged in this accommodating cavity of this detection main body slidably along the axis of this detection main body, and this fore-set has the first end face and second end face relative with this first end face;
Dial gauge comprises gauge outfit and is connected in the table bar of this gauge outfit that this table bar is arranged in this first end of this detection main body, and has measuring junction, and this first end face of this measuring junction and this fore-set is against contacting; And
Spherical measuring piece, be positioned at this second end of this detection body and against this second end face that is contacted with this fore-set.
2. taper hole depth detection apparatus according to claim 1, it is characterized in that, this fore-set comprises the first push rod and the second push rod be connected with this first push rod, this first end face is positioned at this first push rod, this second end face is positioned at this second push rod, the diameter of this second push rod is greater than this first push rod, and the outside surface of this second push rod has stopper slot.
3. taper hole depth detection apparatus according to claim 2, is characterized in that, this taper hole depth detection apparatus also comprises elastic component, and this elastic component is sheathed on this first push rod of this fore-set.
4. taper hole depth detection apparatus according to claim 3, is characterized in that, this detection body also has pore, and this pore is connected with this accommodating cavity and is positioned at the position to this first push rod that should fore-set.
5. taper hole depth detection apparatus according to claim 2, is characterized in that, this detection main body also comprises locating part, and this locating part has the positive stop end that is arranged in this stopper slot.
6. taper hole depth detection apparatus according to claim 5, is characterized in that, this detection main body also has screw, and this locating part is the bolt that is arranged at this screw.
7. taper hole depth detection apparatus according to claim 5, it is characterized in that, this first end of this detection body is provided with the first through hole be communicated with this accommodating cavity, this the second end of this detection body is provided with the second through hole be communicated with this accommodating cavity, this table bar of this dial gauge wears this first through hole, and the diameter of this second end face is less than or equal to the diameter of this second through hole.
8. taper hole depth detection apparatus according to claim 1, is characterized in that, this first end face and this second end face are plane, and this second end of this detection body has against plane.
9. taper hole depth detection apparatus according to claim 1, is characterized in that, this taper hole depth detection apparatus also comprises standard component, and this standard component comprises the standard taper hole with standard cone hole depth coordinated with this spherical measuring piece.
10. taper hole depth detection apparatus according to claim 1, is characterized in that, this taper hole depth detection apparatus also comprises chuck, is arranged between this first end of this dial gauge and this detection body, and grips this table bar of this dial gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416138.5A CN103486943A (en) | 2013-09-12 | 2013-09-12 | Taper hole depth detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416138.5A CN103486943A (en) | 2013-09-12 | 2013-09-12 | Taper hole depth detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486943A true CN103486943A (en) | 2014-01-01 |
Family
ID=49827364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416138.5A Pending CN103486943A (en) | 2013-09-12 | 2013-09-12 | Taper hole depth detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486943A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851981A (en) * | 2014-02-28 | 2014-06-11 | 苏州市职业大学 | Center hole size precision detection device |
| CN103884307A (en) * | 2014-02-21 | 2014-06-25 | 杭州天扬机械有限公司 | 60 degree chamfering aperture diameter rapid detection device |
| CN103940322A (en) * | 2014-03-19 | 2014-07-23 | 潍柴动力股份有限公司 | Detection tool and method for measuring conical surface height of valve seat ring |
| CN104931001A (en) * | 2015-06-05 | 2015-09-23 | 安徽昊方机电股份有限公司 | High-precision sensor protection device |
| CN105180877A (en) * | 2015-09-25 | 2015-12-23 | 江苏太平洋精锻科技股份有限公司 | Mechanical part inner bore adjacent sinking groove spacing metering measuring tool |
| CN107202528A (en) * | 2017-06-26 | 2017-09-26 | 中国人民解放军第五七二工厂 | A kind of flareless pipe joint termination dimension measuring device |
| CN108168604A (en) * | 2017-12-19 | 2018-06-15 | 成都恒力达科技有限公司 | A kind of soil environment monitoring device based on solar energy |
| CN114894072A (en) * | 2022-04-27 | 2022-08-12 | 宁波融顺精密机械制造有限公司 | Packer depth gauge and irregular inner cavity detection method of part |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09178404A (en) * | 1995-12-22 | 1997-07-11 | Mazda Motor Corp | Screw depth measuring instrument |
| CN201093989Y (en) * | 2007-08-10 | 2008-07-30 | 深圳市大族激光科技股份有限公司 | Detecting tool |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN101726234A (en) * | 2008-10-10 | 2010-06-09 | 江苏飞船股份有限公司 | Precise detector for center hole at shaft end |
| CN202329499U (en) * | 2011-11-25 | 2012-07-11 | 浙江浦江齿轮有限公司 | Arc depth measurement device |
| CN202770374U (en) * | 2012-08-30 | 2013-03-06 | 无锡易通精密机械股份有限公司 | Roller central hole inspection measuring tool |
| CN203100654U (en) * | 2012-12-26 | 2013-07-31 | 重庆歇马机械曲轴有限公司 | Testing fixture for center holes |
-
2013
- 2013-09-12 CN CN201310416138.5A patent/CN103486943A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09178404A (en) * | 1995-12-22 | 1997-07-11 | Mazda Motor Corp | Screw depth measuring instrument |
| CN201093989Y (en) * | 2007-08-10 | 2008-07-30 | 深圳市大族激光科技股份有限公司 | Detecting tool |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN101726234A (en) * | 2008-10-10 | 2010-06-09 | 江苏飞船股份有限公司 | Precise detector for center hole at shaft end |
| CN202329499U (en) * | 2011-11-25 | 2012-07-11 | 浙江浦江齿轮有限公司 | Arc depth measurement device |
| CN202770374U (en) * | 2012-08-30 | 2013-03-06 | 无锡易通精密机械股份有限公司 | Roller central hole inspection measuring tool |
| CN203100654U (en) * | 2012-12-26 | 2013-07-31 | 重庆歇马机械曲轴有限公司 | Testing fixture for center holes |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884307A (en) * | 2014-02-21 | 2014-06-25 | 杭州天扬机械有限公司 | 60 degree chamfering aperture diameter rapid detection device |
| CN103851981A (en) * | 2014-02-28 | 2014-06-11 | 苏州市职业大学 | Center hole size precision detection device |
| CN103940322A (en) * | 2014-03-19 | 2014-07-23 | 潍柴动力股份有限公司 | Detection tool and method for measuring conical surface height of valve seat ring |
| CN104931001A (en) * | 2015-06-05 | 2015-09-23 | 安徽昊方机电股份有限公司 | High-precision sensor protection device |
| CN105180877A (en) * | 2015-09-25 | 2015-12-23 | 江苏太平洋精锻科技股份有限公司 | Mechanical part inner bore adjacent sinking groove spacing metering measuring tool |
| CN107202528A (en) * | 2017-06-26 | 2017-09-26 | 中国人民解放军第五七二工厂 | A kind of flareless pipe joint termination dimension measuring device |
| CN108168604A (en) * | 2017-12-19 | 2018-06-15 | 成都恒力达科技有限公司 | A kind of soil environment monitoring device based on solar energy |
| CN108168604B (en) * | 2017-12-19 | 2020-06-16 | 北京五洲恒通认证有限公司 | Soil environment monitoring devices based on solar energy |
| CN114894072A (en) * | 2022-04-27 | 2022-08-12 | 宁波融顺精密机械制造有限公司 | Packer depth gauge and irregular inner cavity detection method of part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103486943A (en) | Taper hole depth detecting device | |
| CN202153125U (en) | Detection apparatus for tiny step surface | |
| CN203385347U (en) | Shaft step size gauge | |
| CN102814707B (en) | Device and method for determining trigger stroke of trigger sensor | |
| CN103322962B (en) | For measuring gauge and the method for large scale steel wire bearing track diameter | |
| CN203893793U (en) | Adjustable depth detecting device used for inclined holes | |
| CN204730792U (en) | A kind of hand-held internal diameter guide rail conical surface measurement mechanism | |
| CN104567606A (en) | Lever type inside diameter detection device for workpiece | |
| CN203928977U (en) | Cone hole detection device | |
| CN106225661B (en) | Punching press bore dia device for fast detecting and its method on thin-wall part | |
| CN103983175A (en) | Outer cone detector | |
| CN203405159U (en) | Cone apex angle measuring tool | |
| CN203758419U (en) | High-accuracy gauge used for detecting inwards-recessed step of cylindrical workpiece | |
| CN105300252A (en) | High-precision ball diameter testing tool | |
| CN202083329U (en) | Internal taper measuring instrument | |
| CN205209413U (en) | Utensil is examined to high accuracy sphere diameter | |
| CN201476746U (en) | Vertical hole pitch measurement device | |
| CN201047746Y (en) | Internal taper detector | |
| CN206019558U (en) | A kind of integral type go-no go gauge | |
| CN103542787A (en) | Center hole measuring tool | |
| CN215177396U (en) | Measuring jig for detecting size of sensor | |
| CN203712540U (en) | Auxiliary clamp for precisely measuring aperture | |
| CN204963702U (en) | Digital display flight depth rule | |
| CN204575024U (en) | A kind of structure detecting the capacitive transducer of metal plate and belt thickness | |
| CN212903134U (en) | Improved structure of instrument for measuring curvature radius |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140101 |