CN110095046A - Bearing seal groove depth detector and its application method - Google Patents
Bearing seal groove depth detector and its application method Download PDFInfo
- Publication number
- CN110095046A CN110095046A CN201910401566.8A CN201910401566A CN110095046A CN 110095046 A CN110095046 A CN 110095046A CN 201910401566 A CN201910401566 A CN 201910401566A CN 110095046 A CN110095046 A CN 110095046A
- Authority
- CN
- China
- Prior art keywords
- face
- dial gauge
- bearing
- seal groove
- standard
- 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
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention relates to a kind of bearing seal groove depth detector and its application methods comprising platform support, dial gauge, dial gauge are equipped with holding rod and measuring head.Above-mentioned platform support is equipped with vertical plate, dial gauge fixing seat is integrated on vertical plate, dial gauge fixing seat is equipped with the sets of holes being slidably matched with above-mentioned holding rod, it is screwed between sets of holes and holding rod, dial gauge fixing seat one end is equipped with the end face backer protruded relative to vertical plate lateral surface, end face backer is equipped with the end face to offset with the cycle surface of bearing to be measured, and the telescopic hole with dial indicator measuring head expansion fit；When the end end face of dial indicator measuring head and the end face of end face backer, dial gauge is in zero-bit.When use, measuring head is integrally protruded into bearing outer ring seal groove and is pushed against, bearing outer ring to be measured and the end face of end face backer is recycled to offset, the amount that measuring head protrudes into bearing outer ring seal groove is seal groove depth, the numerical value that dial gauge is shown is groove depth, measurement accuracy is more accurate, greatly improves detection efficiency.
Description
Technical field
It is a kind of bearing seal groove depth detector and its application method the present invention relates to Bearing testing field.
Background technique
The groove depth dimensional accuracy of bearing outer ring seal groove directly affects the reliability of end cover installation, therefore needs installing
Bearing seal groove deep is detected before end cover.The detection method of existing bearing outer ring sealing groove deep, it is usually sharp
It is detected, i.e., is taken a little in bearing seal slot by needle point, to read corresponding numerical value i.e. with the needle point depthmeter in Fig. 5
For bearing seal groove deep value.But this detection mode, often because needle point is different from bearing groove contact point, and the numerical value read
Can be different, the accuracy of value is leveraged, while also detection efficiency is not high.For this purpose, needing to existing bearing seal slot
Groove depth detection device improves.
Summary of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is to this field provide a kind of bearing seal groove depth detector and its
Application method makes it solve not good enough, the inefficient technical problem of existing similar detector test accuracy.The purpose is to pass through
What following technical solution was realized.
A kind of bearing seal groove depth detector comprising platform support, dial gauge, dial gauge are equipped with holding rod, Yi Jishen
Holding rod is resilient flexible measuring head out, and structural feature is that the platform support is equipped with one piece of vertical plate, integrates and set on vertical plate
There is dial gauge fixing seat, dial gauge fixing seat is equipped with the sets of holes for being slidably matched with the holding rod of the dial gauge, sets of holes and hundred
Divide between the holding rod of table and be screwed, dial gauge fixing seat one end is equipped with the end face protruded relative to vertical plate lateral surface and leans on
Mountain, end face backer are equipped with the end face to offset with the cycle surface of bearing to be measured, and with the measuring head of the dial gauge is flexible matches
The telescopic hole of conjunction；The measuring head of the dial gauge, which is equipped with, to offset in outer ring seal groove for protruding into bearing to be measured and with slot bottom
End, the dial gauge show that the measuring head stretches out the amount of end face backer, i.e. the end face of measuring head end is leaned on the end face
When the end face on mountain, the dial gauge is in zero-bit.By above structure, bearing outer ring is integrally directly protruding into using measuring head
It in seal groove and pushes against, so that contact point is relatively stable, operates more convenient；Recycle bearing outer ring to be measured and end face backer's
End face offsets, then the amount that measuring head protrudes into bearing outer ring seal groove is the depth of bearing outer ring seal groove, and dial gauge is shown
Numerical value be groove depth, measurement accuracy is more accurate, and detection efficiency greatly improves.
In above-mentioned bearing seal groove depth detector, the vertical plate is equipped with mounting hole, the end of dial gauge fixing seat one end
For face backer through and out the mounting hole on the outside of vertical plate, the dial gauge fixing seat other end is limited in vertical plate inboard, and with it is vertical
It is fixed between plate by screw locking.With this configuration, convenient by replacing above-mentioned end face backer, to realize different size percentages
The installation of table, or the outer ring seal groove detection of different dimensioned bearings.
In above-mentioned bearing seal groove depth detector, the measuring head end of the dial gauge is in pyramidal.With this configuration,
Using the gradient of measuring head frustum, the applicable range of its detection can be improved to a certain extent.
In above-mentioned bearing seal groove depth detector, threaded hole, threaded hole are equipped in the middle part of the dial indicator measuring head end face
It is connected with the standard end to offset in the outer ring seal groove for protruding into the bearing to be measured and with slot bottom, the dial gauge is solid
The lateral surface set of the end face backer of reservation is equipped with the standard set to offset with the cycle surface of bearing to be measured, and standard set end face with
The matching hole for being suitable for standard end expansion fit is formed between the end face of end face backer, the dial gauge shows institute
State the amount that standard set end face is stretched out in standard end, i.e. the standard end of dial gauge is protruded into the matching hole, and standard end
When the end face of end face and standard set, dial gauge is in zero-bit.With this configuration, standard end and corresponding mark are only needed to change
Quasi- set, can be realized the detection to different bearing seal groove depths, the scope of application is wider.
Further, at least one standard cushion cover, and standard cushion cover are arranged between the standard set and the end face backer
End face and the end face backer end face.By the way that standard cushion cover is arranged, to be adapted to the standard set of different-diameter size
Installation.
In above-mentioned bearing seal groove depth detector, the dial gauge replaces with amesdial, is equally able to achieve testing goal.
There are two types of the application methods of above-mentioned bearing seal groove depth detector, when the end outer diameter of the dial indicator measuring head
When within the scope of the bearing outer ring seal groove slot to be measured, bearing directly is carried out using dial indicator measuring head and end face backer
Seal groove depth detection, it may be assumed that first pass through one piece of dressing plate and resist the end face backer, lean on the end face of measuring head with end face
The end face on mountain, and dial gauge is adjusted to zero-bit；Next the seal groove of bearing outer ring to be measured is directly sleeved on dial gauge
Measuring head, protrude into the end of measuring head in the outer ring seal groove of bearing to be measured and offset with slot bottom, push bearing to be measured, make
The cycle surface of bearing to be measured and the end face of the end face backer offset, and measuring head protrudes into bearing outer ring seal groove to be measured at this time
The amount of protruding into be depth value, and be shown on dial gauge.
When the outer ring aperture of bearing to be measured is greater than the end outer diameter of the dial indicator measuring head, according to the outer of bearing to be measured
It encloses end face diameter and selects corresponding standard set, meanwhile, the standard cushion cover of corresponding number or size is selected according to the aperture of standard set,
Standard cushion cover is sheathed on outside the end face backer, standard set is sheathed on outside standard cushion cover, then will correspond to the axis to be measured
The standard ends screw of bearing outer-ring sealing groove deep and outer diameter is connected to the measuring head end face of the dial gauge, above to be
Setting before completing the detection of bearing seal slot；When detection, the standard is resisted by one piece of dressing plate and covers end face, makes normal end
The end face of the end face of head and standard set, and the dial gauge is adjusted to zero-bit；Next by the sealing of bearing outer ring to be measured
Slot is directly sleeved on the standard end, protrudes into standard end in bearing outer ring seal groove to be measured and offsets with slot bottom, pushes
Bearing to be measured, the end face for covering the cycle surface of bearing to be measured with the standard offset, and bearing to be measured is protruded into standard end at this time
The amount of protruding into the seal groove of outer ring is depth value, and is shown on dial gauge.
Overall structure of the present invention is relatively simple, can carry out high-volume to bearing seal groove depth and quickly and stably detect,
Accuracy in detection and efficiency are higher, and adjustability is good, and the applicable bearing range of detection is wider, are suitable as all kinds of bearing seal groove depths
The structure for spending detector use or similar product is improved.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is side structure schematic diagram of the invention, has locally made section view in figure.
Fig. 3 is the improved structural schematic diagram of Fig. 2, has locally made section view in figure.
Fig. 4 is the improved structural schematic diagram of Fig. 3, has locally made section view in figure.
Fig. 5 is the use state of existing bearing outer ring seal groove detector with reference to figure.
Serial number and title in figure are as follows: 1, platform support, 101, vertical plate, 102, mounting hole, 2, dial gauge fixing seat, 201, end
Face backer, 3, dial gauge, 301, measuring head, 302, holding rod, 4, outer ring, 401, seal groove, 5, standard end, 6, standard set,
601, matching hole, 7, standard cushion cover.
Specific embodiment
Now in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, which includes platform support 1, dial gauge 3, and dial gauge is equipped with
Holding rod 302, and stretch out holding rod and be resilient flexible measuring head 301, platform support bottom is level board, is set perpendicular to level board
There is one piece of vertical plate 101, vertical plate is equipped with the mounting hole 102 of installation dial gauge fixing seat 2, installs specific structure are as follows: dial gauge is solid
Reservation one end is equipped with the end face backer 201 of sleeve-shaped, and end face backer through and out mounting hole to vertical plate outside, fix by dial gauge
The seat other end is limited in vertical plate inboard, and is fixed between vertical plate by screw locking.Dial gauge fixing seat is equipped with for hundred
The sets of holes for dividing the holding rod of table to be slidably matched, are screwed, the end of dial gauge fixing seat between sets of holes and the holding rod of dial gauge
Face backer is equipped with the end face to offset with 4 end face of outer ring of bearing to be measured, and flexible with the measuring head expansion fit of dial gauge
Hole.The measuring head of dial gauge is equipped with the end to offset in the outer ring seal groove 401 for protruding into bearing to be measured and with slot bottom, percentage
When table shows that measuring head stretches out the amount of end face backer, the i.e. end face of the end face of measuring head end and end face backer, dial gauge
In zero-bit.
In use, the measuring head 301 of dial gauge 3 need to only be protruded into 4 seal groove 401 of outer ring of bearing to be measured and be pushed against,
So that the outer ring of bearing to be measured and the end face of end face backer 201 is offseted, can be read from dial gauge when front heads protrude into outer ring
Value in seal groove, the value are bearing seal groove depth angle value, are compared according to the depth value with standard value, and you can get it should
Whether bearing seal groove depth to be measured is qualified.
Further, 301 end of measuring head of above-mentioned dial gauge 3 can also be designed in pyramidal.Utilize the gradient of frustum, energy
The scope of application of 4 seal groove of bearing outer ring, 401 depth detection is improved to a certain degree.
As shown in figure 3, can also improve to above structure, different 401 groove depth of bearing seal slot detections can be met
Demand.Threaded hole is equipped in the middle part of 3 measuring head of dial gauge, 301 end face, threaded hole is connected with for protruding into the outer of bearing to be measured
Enclose the standard end 5 to offset in 4 seal grooves and with slot bottom.The lateral surface set of the end face backer 201 of dial gauge fixing seat 2 is equipped with
The standard set 6 to offset with the cycle surface of bearing to be measured, and form one between standard set end face and the end face of end face backer and fit
Matching hole 601 for standard end expansion fit.The numerical value that dial gauge is set as its display is that standard set is stretched out in standard end
The standard end of the amount of end face, i.e. dial gauge is protruded into matching hole, and when the end face of the end face of standard end and standard set,
Dial gauge is in zero-bit.
As shown in figure 4, the mark in order to further increase the applicable range of 401 depth detection of bearing seal slot, in above-mentioned Fig. 3
At least one standard cushion cover 7 is arranged between quasi- set 6 and end face backer 201, and the end face of standard cushion cover is with the end face backer's
End face.By standard cushion cover, to be further adapted to the standard set of larger size, to cooperate the normal end of larger size
Head is detected for the bearing seal groove depth to larger size, and applicability is stronger.
In use, need to only protrude into 4 seal groove 401 of outer ring of bearing to be measured and push against by standard end 5 after above-mentioned improvement,
Make the outer ring of bearing to be measured and standard cover 6 end face to offset, Current standards end can be read from dial gauge, and to protrude into outer ring close
Value in sealing groove, the value are bearing seal groove depth angle value, are compared according to the depth value with standard value, and you can get it should be to
Whether qualified survey bearing seal groove depth.
The above content is intended to illustrate the technological means of invention, not limits technical scope of the invention.Art technology
Personnel combine existing common knowledge conspicuous improvement is made to the present invention, also fall into the claims in the present invention protection scope it
It is interior.
Claims (8)
1. a kind of bearing seal groove depth detector comprising platform support (1), dial gauge (3), dial gauge are equipped with holding rod
(302), and stretching holding rod is resilient flexible measuring head (301), it is characterised in that the platform support (1) is equipped with one piece and stands
Plate (101) integrates on vertical plate and is equipped with dial gauge fixing seat (2), and dial gauge fixing seat is equipped with for holding with the dial gauge (3)
The sets of holes that bar (302) is slidably matched, are screwed between sets of holes and the holding rod of dial gauge, and dial gauge fixing seat one end is equipped with
Relative to the end face backer (201) of vertical plate lateral surface protrusion, end face backer is equipped with to offset with outer ring (4) end face of bearing to be measured
End face, and the telescopic hole with measuring head (301) expansion fit of the dial gauge；The measuring head of the dial gauge is equipped with and is used for
The end to offset in the outer ring seal groove (401) of bearing to be measured and with slot bottom is protruded into, the dial gauge shows that the measuring head is stretched
When the amount of end face backer out, the i.e. end face of measuring head end and the end face of the end face backer, the dial gauge is in zero
Position.
2. bearing seal groove depth detector according to claim 1, it is characterised in that the vertical plate (1) is equipped with installation
Hole (102), the end face backer (201) of dial gauge fixing seat (2) one end is through and out the mounting hole to vertical plate outside, percentage
The table fixing seat other end is limited in vertical plate inboard, and is fixed between vertical plate by screw locking.
3. bearing seal groove depth detector according to claim 1, it is characterised in that the measuring head of the dial gauge (3)
(301) end is in pyramidal.
4. bearing seal groove depth detector according to claim 1, it is characterised in that dial gauge (3) measuring head
(301) threaded hole is equipped in the middle part of end face, threaded hole is connected with outer ring (4) seal groove for protruding into the bearing to be measured
(401) the standard end (5) to offset in and with slot bottom, the outside surface cover of the end face backer (201) of the dial gauge fixing seat (2)
It is equipped with the standard set (6) to offset with the cycle surface of bearing to be measured, and shape between standard set end face and the end face of end face backer
It is suitable for the matching hole (601) of standard end expansion fit at one, the dial gauge shows that the standard end is stretched out
Standard covers the amount of end face, i.e. the standard end of dial gauge is protruded into the matching hole, and the end face of standard end and standard set
When end face, dial gauge is in zero-bit.
5. bearing seal groove depth detector according to claim 4, it is characterised in that the standard set (6) and the end
At least one standard cushion cover (7) is arranged between face backer (201), and the end face of standard cushion cover and the end face of the end face backer are neat
It is flat.
6. bearing seal groove depth detector according to claim 1, it is characterised in that the dial gauge (3) replaces with thousand
Divide table.
7. a kind of application method of bearing seal groove depth detector as described in claim 1, it is characterised in that in use, first
The end face backer (201) is resisted by one piece of dressing plate, makes the end face of measuring head (301) and end face backer (201)
End face, and dial gauge (3) is adjusted to zero-bit；Next the seal groove (401) of bearing outer ring to be measured (4) is directly sleeved on
The measuring head of dial gauge protrudes into the end of measuring head in the outer ring seal groove of bearing to be measured and offsets with slot bottom, pushes to be measured
Bearing makes the cycle surface of bearing to be measured and the end face of the end face backer offset, and measuring head protrudes into bearing outer ring to be measured at this time
The amount of protruding into seal groove is depth value, and is shown on dial gauge.
8. a kind of application method of bearing seal groove depth detector as claimed in claim 5, it is characterised in that when axis to be measured
When outer ring (4) aperture held is greater than the end outer diameter of the dial gauge (3) measuring head (301), according to the outer ring of bearing to be measured
(401) end face diameter selects corresponding standard set (6), meanwhile, according to the aperture selection corresponding number of standard set or the mark of size
Standard cushion cover is sheathed on end face backer (201) outside by quasi- cushion cover (7), and standard set is sheathed on outside standard cushion cover, then will
The standard end (5) corresponding to the bearing outer ring sealing groove deep and outer diameter to be measured is threaded io the survey of the dial gauge
Measure head end head, the above setting completed before the detection of bearing seal slot；When detection, the mark is resisted by one piece of dressing plate
Quasi- set end face makes the end face of standard end and the end face of standard set, and adjusts the dial gauge to zero-bit；It next will be to
The seal groove for surveying bearing outer ring is directly sleeved on the standard end, protrudes into standard end in bearing outer ring seal groove to be measured simultaneously
It offsets with slot bottom, pushes bearing to be measured, the end face for covering the cycle surface of bearing to be measured with the standard offsets, at this time normal end
The amount of protruding into that head protrudes into bearing outer ring seal groove to be measured is depth value, and is shown on dial gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401566.8A CN110095046A (en) | 2019-05-15 | 2019-05-15 | Bearing seal groove depth detector and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401566.8A CN110095046A (en) | 2019-05-15 | 2019-05-15 | Bearing seal groove depth detector and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110095046A true CN110095046A (en) | 2019-08-06 |
Family
ID=67448102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910401566.8A Pending CN110095046A (en) | 2019-05-15 | 2019-05-15 | Bearing seal groove depth detector and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110095046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543611A (en) * | 2022-03-07 | 2022-05-27 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470976U (en) * | 2012-03-06 | 2012-10-03 | 上海纳铁福传动轴有限公司 | Measuring tool for measuring inner hole depth of three-pin-axis fork |
| CN203824494U (en) * | 2014-03-28 | 2014-09-10 | 潍柴动力股份有限公司 | Measuring device for countersink depth |
| CN104713460A (en) * | 2015-04-01 | 2015-06-17 | 航天精工股份有限公司 | Device and method for measuring countersunk head angle of tapered counter bore |
| CN204854586U (en) * | 2015-08-28 | 2015-12-09 | 航天精工股份有限公司 | From aligning cross recess depth gage of taking school zero |
| CN105466307A (en) * | 2016-01-13 | 2016-04-06 | 奇瑞汽车股份有限公司 | Steering engine gear rack precision value comprehensive detection device and test method |
| CN205279964U (en) * | 2015-11-11 | 2016-06-01 | 台州万洲机械有限公司 | A examine utensil for groove depth in inspection hole |
| CN206321185U (en) * | 2016-12-27 | 2017-07-11 | 玉环县中等职业技术学校 | A kind of groove depth measurement apparatus |
| CN208223357U (en) * | 2018-05-31 | 2018-12-11 | 南通环球转向器制造有限公司 | End face seal slot rapid measurement device |
| CN208704617U (en) * | 2018-08-13 | 2019-04-05 | 淅川县粉末冶金有限公司 | A kind of valve body recess depth detection apparatus |
| CN209927057U (en) * | 2019-05-15 | 2020-01-10 | 宁波达尔机械科技有限公司 | Bearing seal groove depth detector |
-
2019
- 2019-05-15 CN CN201910401566.8A patent/CN110095046A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470976U (en) * | 2012-03-06 | 2012-10-03 | 上海纳铁福传动轴有限公司 | Measuring tool for measuring inner hole depth of three-pin-axis fork |
| CN203824494U (en) * | 2014-03-28 | 2014-09-10 | 潍柴动力股份有限公司 | Measuring device for countersink depth |
| CN104713460A (en) * | 2015-04-01 | 2015-06-17 | 航天精工股份有限公司 | Device and method for measuring countersunk head angle of tapered counter bore |
| CN204854586U (en) * | 2015-08-28 | 2015-12-09 | 航天精工股份有限公司 | From aligning cross recess depth gage of taking school zero |
| CN205279964U (en) * | 2015-11-11 | 2016-06-01 | 台州万洲机械有限公司 | A examine utensil for groove depth in inspection hole |
| CN105466307A (en) * | 2016-01-13 | 2016-04-06 | 奇瑞汽车股份有限公司 | Steering engine gear rack precision value comprehensive detection device and test method |
| CN206321185U (en) * | 2016-12-27 | 2017-07-11 | 玉环县中等职业技术学校 | A kind of groove depth measurement apparatus |
| CN208223357U (en) * | 2018-05-31 | 2018-12-11 | 南通环球转向器制造有限公司 | End face seal slot rapid measurement device |
| CN208704617U (en) * | 2018-08-13 | 2019-04-05 | 淅川县粉末冶金有限公司 | A kind of valve body recess depth detection apparatus |
| CN209927057U (en) * | 2019-05-15 | 2020-01-10 | 宁波达尔机械科技有限公司 | Bearing seal groove depth detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543611A (en) * | 2022-03-07 | 2022-05-27 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
| CN114543611B (en) * | 2022-03-07 | 2023-09-12 | 中国工程物理研究院材料研究所 | Step shaft part measuring device and measuring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101713629B (en) | Height measuring instrument | |
| CN101319864A (en) | Plug gauge head pore diameter measurement mechanism | |
| CN102735133B (en) | Installation hole detection device | |
| CN107560523A (en) | A kind of high integrity cubing | |
| CN110095046A (en) | Bearing seal groove depth detector and its application method | |
| CN206862261U (en) | A kind of special tooth depth detection instrument | |
| CN101975539A (en) | Taper hole detector | |
| CN201740496U (en) | Depth detection device | |
| CN103292661A (en) | Rail weighbridge installation measuring instrument | |
| CN106769609B (en) | Fishing line softness testing device and method | |
| CN108903137A (en) | A kind of automatic sole road holding detector | |
| CN105783676B (en) | A kind of automobile meter pointer shaft detection device | |
| CN209927057U (en) | Bearing seal groove depth detector | |
| CN207248054U (en) | A kind of high integrity cubing | |
| CN105783675A (en) | Instrument pointer shaft detector | |
| CN215003621U (en) | Pier stud hangs down straightness auxiliary detection structure | |
| CN205718727U (en) | Motor housing bearing chamber is beated value detection device | |
| CN205537442U (en) | Base identity distance testing device | |
| CN201181247Y (en) | Electronic detecting instrument for holding pressure of electric motor brush | |
| CN106643372B (en) | A kind of big small-sized outside micrometer detection device | |
| CN209247328U (en) | A kind of visual angle detection device applied to airborne digital image source | |
| CN102997812A (en) | Through hole depth gauge | |
| CN208588305U (en) | A kind of cylinder cap seat ring distance-measuring device | |
| CN202836441U (en) | Fast detector for ball head boss inside workpiece groove | |
| CN110044734A (en) | A kind of falling sphere test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |