CN110146039A - The positioning device of center of circular hole axis - Google Patents
The positioning device of center of circular hole axis Download PDFInfo
- Publication number
- CN110146039A CN110146039A CN201910403074.2A CN201910403074A CN110146039A CN 110146039 A CN110146039 A CN 110146039A CN 201910403074 A CN201910403074 A CN 201910403074A CN 110146039 A CN110146039 A CN 110146039A
- Authority
- CN
- China
- Prior art keywords
- round table
- conical round
- centration axis
- axis
- positioning device
- 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.)
- Granted
Links
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241001416181 Axis axis Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding 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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of positioning devices of center of circular hole axis, including sleeve, driving motor, centration axis, left conical round table, right conical round table, left-handed nut, pressure spring and several gauge heads.Left conical round table, pressure spring, left-handed nut, right conical round table are successively sleeved in centration axis, and left and right conical round table big end is opposite；Centration axis has left and right hand thread, and left conical round table is slidably connected with centration axis, and left-handed nut and centration axis left hand thread are sequentially connected, and right conical round table and centration axis right-handed thread are sequentially connected；Pressure spring one end is against left conical round table, and the other end is against left-handed nut；Several gauge heads are set in the axial slide of left and right conical round table by sliding block, and gauge head upper end passes through its head of housing supports cylinder and connect with deep hole processing inner wall.The present invention overcomes the shortcomings of that existing measuring tool cannot easily carry out measuring and adjusting in hole, the accurate positioning of center of circular hole axis may be implemented, the adjustment for subsequent deep hole processing cutter provides foundation.
Description
Technical field
The present invention relates to technical fields of mechanical processing, and in particular to a kind of positioning device of center of circular hole axis, Ke Yiyong
Hole type parts center in the detection of deep hole machining central axes straightness, correction and large scale equipment installation process is surveyed
Amount.
Background technique
Deep hole machining extensive application in machinery industry, such as hydraulic cylinder, pump line of changing oil, gun barrel, machinery are set
Standby shell etc., the deep-hole parts after these processing will often realize the general function of equipment with other axis, hole type parts cooperation.Institute
To guarantee that the axis verticality of hole type parts is very important in process.
Currently, due to being limited by geometry, measuring tool cannot facilitate inside it during deep hole machining
Ground is operated and is adjusted, therefore how rapidly and accurately to determine deep hole central axis linear position and the inspection of deep hole linear degree
Survey is a current research hotspot.
Summary of the invention
The technical problem to be solved by the present invention is existing measuring tool cannot easily carry out measurement and adjustment in deep hole.
The object of the present invention is to provide a kind of center of circular hole positioning device, which may be implemented the accurate positioning of center of circular hole axis,
Adjustment for subsequent deep hole processing cutter provides foundation.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of positioning device of center of circular hole axis, including sleeve, driving motor, centration axis, left conical round table, right taper
Rotary table, left-handed nut, pressure spring and several gauge heads；Equally distributed three radial directions are respectively equipped on the lateral wall of sleeve left and right ends
Support tube；Centration axis is rotatably arranged in the central part of sleeve, and sleeve, one end of centration axis extension end and drive are stretched out in its both ends
Dynamic motor connection, the left side of centration axis are equipped with left hand thread portion and smooth cylindrical portion, and right side is equipped with right-handed thread portion；Left taper circle
Platform, pressure spring, left-handed nut, right conical round table are successively sleeved in centration axis, and left conical round table is opposite with right conical round table big end；
The smooth cylindrical portion of left conical round table and centration axis is slidably connected, and the left hand thread portion worm drive of left-handed nut and centration axis connect
It connects, the right-handed thread portion worm drive connection of right conical round table and centration axis；Pressure spring one end is against the small end end of left conical round table
Face, the other end is against left-handed nut；Be respectively equipped on the circular conical surface of left conical round table and right conical round table three it is equally distributed
Axial slide is equipped with sliding rail in axial slide；Three gauge heads are set to three axial slides of left conical round table by sliding block one by one
In, gauge head upper end is slidably disposed through support tube and its head is connect with deep hole processing inner wall；Three gauge heads pass through sliding block one by one
In the axial slide of right conical round table, gauge head upper end is slidably disposed through support tube and its head and deep hole processing inner wall connect
It connects；Sliding block drives gauge head to slide along sliding rail.
It further, further include laser emitter and photodetector；The other end of centration axis extension end is sent out equipped with laser
Emitter, the outside that photodetector is set to deep hole processing are used to receive the laser of laser transmitter projects.It is felt relieved using being mounted on
Laser transmitter projects laser irradiation on axis measures current deep hole axial location to photodetector.If current processing
The axial location of deep hole is glanced off relative to initial position, can be adjusted cutter by deviation data and be rectified a deviation.
Left-handed nut follows centration axis to rotate when centration axis rotates in order to prevent, and preferably left-handed nut is equipped with locating rod,
It covers medial wall of the tube and is equipped with axially position slot, locating rod is slided in axially position slot.Locating rod defines the circumference of left-handed nut
Rotation works more reliable.
In order to facilitate the pipeline for assembling and adapting to different-diameter, the preferably described gauge head includes fixing measuring staff and movable gauge head,
Fixed measuring staff is threadedly coupled with movable gauge head, and the head of movable gauge head is connect with sleeve interior surface, the bottom connection of fixed measuring staff
Sliding block.
In order to facilitate assembly, the preferably described fixed measuring staff is connect by gusseted block with sliding block, the bottom of gusseted block
The upper surface of face paste conjunction sliding block.
In order to reduce the frictional force between left conical round table and centration axis, the preferably described left conical round table passes through linear bearing
It is slidably connected with centration axis.
In order to improve positioning accuracy, the screw pitch in the left hand thread portion of the preferably described centration axis is greater than the spiral shell in its right-handed thread portion
Away from the screw pitch of left-handed nut is greater than the screw pitch of right conical round table.When centration axis rotates under driving motor drive, right conical round table
The speed moved to the right is greater than the speed that left-handed nut moves to the left, and right side measuring staff first stretches out, stretches out, keep away after the measuring staff of left side
The positioning interference having exempted from two measuring staff of left and right sides while having been generated when stretching out.
Beneficial effects of the present invention:
1, overcome the shortcomings of that existing measuring tool cannot easily carry out measuring and adjusting in hole, center of circular hole may be implemented
The accurate positioning of axis, the adjustment for subsequent deep hole processing cutter provide foundation.
2, the flexible of the present apparatus can be achieved by the setting of left-handed nut and pressure spring to position, positioning accuracy is high.
3, easy to operate, high reliablity.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram for showing the positioning device of the 1st embodiment；
Fig. 2 is the schematic perspective view for showing the sleeve of positioning device of the 1st embodiment；
Fig. 3 is the schematic perspective view for showing the left-handed nut of positioning device of the 1st embodiment；
Fig. 4 is the schematic perspective view for showing the left conical round table of positioning device of the 1st embodiment；
Fig. 5 is the schematic perspective view for showing the right conical round table of positioning device of the 1st embodiment.
In figure:
1, sleeve, 2, end cap, 3, centration axis driving motor, 4, sliding rail, 5, sliding block, 6, gusseted block, 7, fixed measuring staff,
8, movable gauge head, 9, support tube, 10, right conical round table, 11, left-handed nut, 12, pressure spring, 13, left conical round table, 14, linear axis
It holds, 15, centration axis, 16, laser emitter, 17, photodetector.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing and a kind of preferred reality
Mode is applied technical solution of the present invention is clearly and completely described.
In the following description, on the basis of the orientation of positioning device shown in Fig. 1, the left side of positioning device as shown in the figure is
For " left side ", on the contrary is " right side ".
Embodiment 1
Refering to fig. 1~Fig. 5, a kind of positioning device of center of circular hole axis, comprising: sleeve 1, driving motor 3, is slided end cap 2
Rail 4, sliding block 5, gusseted block 6, fixed measuring staff 7, movable gauge head 8, support tube 9, right conical round table 10, left-handed nut 11, pressure
Spring 12, left conical round table 13, linear bearing 14, centration axis 15, laser emitter 16 and photodetector 17.
Sleeve 1 is cylinder with the end, and open end and end cap 2 pass through screw thread detachable connection.Sleeve bottom and end cap 2
Central part is axially arranged with centering shaft mounting hole.It is respectively uniformly distributed on the circumferential side wall of 1 left and right ends of sleeve and is surveyed there are three movable
Head mounting hole, the outside of every movable gauge head mounting hole are radially provided with a support tube 9, and the internal diameter of support tube 9 and activity are surveyed
First 8 outer diameter adaptation.The inner sidewall of sleeve 1 axially begins with a T-type locating slot 1-1.
Centration axis 15 is cylindrical, and left side is equipped with smooth cylindrical portion and left hand thread portion, and smooth cylindrical portion is set to centering
Axis left end is connect with left hand thread portion, and right-handed thread portion is equipped on the right side of centration axis, and the screw pitch in left hand thread portion is greater than its dextrorotation spiral shell
The screw pitch in line portion.
Left-handed nut 11 is hex nut, and internal screw thread is adapted to the external screw thread in the left hand thread portion of centration axis 15.It is left-handed
The radially connected locating rod 111 of the outer peripheral surface of nut 10, locating rod 111 and left-handed nut 11 can be by the sides welding or be threadedly coupled
Formula is fixed together.The head of locating rod 111 is equipped with T-type positioning region, the T-type locating slot 1-1 of T-type positioning region and sleeve 1
Adaptation, locating rod 111 are slided in T-type locating slot 1-1.
Left conical round table 13 is solid cone shaped rotary table, and the center portion thereof is axially arranged with through-hole 131, is set with straight line in through-hole 131
The outer diameter of bearing 14, the smooth cylindrical portion of the internal diameter and centration axis 15 of linear bearing 14 is adapted to.The circular cone table of left conical round table 13
Face is uniformly provided with three rectangular straight slot 132 along its generatrix direction, installs sliding rail 4 in rectangular straight slot 132.
Right conical round table 10 is solid cone shaped rotary table, and the center portion thereof is axially arranged with tapped through hole 101, tapped through hole 101
Internal screw thread is adapted to the external screw thread in the right-handed thread portion of centration axis 15.The conical surface of right conical round table 10 is equal along its generatrix direction
There are three rectangular straight slot 102, rectangular straight slot 102 is interior to install sliding rail 4 for even beginning.
In the present embodiment, gauge head is made of movable gauge head 8, fixed measuring staff 7 and gusseted block 6.Movable gauge head 8 with it is solid
Determine that measuring staff 7 is cylindrical, the head of movable gauge head 8 is spherical in shape, and movable gauge head 8 is threadedly coupled fixed measuring staff 7, fixed measuring staff 7
Bottom thread connects gusseted block 6, and the bottom surface of gusseted block 6 is inclined-plane, the bottom surface bonding sliding block 5 of gusseted block 6
Top surface, sliding block 5 are adapted to sliding rail 4.
The assembly method of the positioning device of embodiment 1 is:
Centration axis 15 passes through sleeve 1 and the centering shaft mounting hole of end cap 2 passes through the inner cavity that bearing is rotatably set to sleeve 1
In, the both ends of centration axis are stretched out from sleeve 1, and the output axis connection of an extension end and driving motor 3 is driven by driving motor 3
Rotation；Another extension end is equipped with laser emitter 16, and outwardly, and its laser beam is along centration axis for the emitting head of laser emitter 16
15 axis projects.Laser emitter 16 is the prior art, in the present embodiment, selects Shenzhen Fu Lei Science and Technology Ltd. type
Number be the dotted transmitter of FU980AD100-BC10 100mw high power laser 980nm infrared ray.
Left conical round table 13, pressure spring 12, left-handed nut 11, right conical round table 10 are successively sleeved in centration axis 15.Left cone
Shape rotary table 13 is opposite with right 10 big end of conical round table, is symmetrical arranged.The smooth cylindrical portion of left conical round table 13 and centration axis 15 is sliding
Dynamic connection.Left-handed nut 11 is connect with the left hand thread portion worm drive of centration axis 15, the T of the locating rod 111 of left-handed nut 11
Type positioning region is located in the T-type locating slot of sleeve 1.The right-handed thread portion worm drive of right conical round table 10 and centration axis 15 connect
It connects.12 one end of pressure spring is against the small end end face of left conical round table 13, and the other end is against left-handed nut 11.Three, left side gauge head passes through
For sliding block 5 one by one in three axial slides 132 of left conical round table 13, three, right side gauge head is set to the right side by sliding block 5 one by one
In three axial slides 102 of conical round table 10, the movable gauge head 8 of all gauge heads is contracted in support tube 9, ball head court
Outside.
The working method of the positioning device of embodiment 1 is:
When work, the positioning device assembled is placed in the central part of deep hole processing, photodetector 17 is mounted on processing
The external face laser emitter 16 of deep hole.Driving motor 3 starts, and centration axis 15 is driven to rotate, the dextrorotation spiral shell in centration axis 15
Line portion drives right conical round table to move right along centration axis axis, and sliding block 5 is sliding from the small end of right conical round table to big end along sliding rail 4
Dynamic, right side gauge head generates radial displacement, and three, right side activity rod 8 stretches out support tube 9 first, three, right side activity rod 8
Ball-shaped head is against deep hole processing inner wall；Meanwhile the left hand thread portion driving left-handed nut 11 of centration axis 15 is along centration axis axis
It moves downward, left-handed nut 11 compresses pressure spring 12, and left conical round table is axial to the left along centration axis under the promotion of pressure spring spring force
Movement drives the movable gauge head 8 of three, left side gauge head to stretch out support tube 9, because the screw pitch in the left hand thread portion of centration axis 15 is greater than
The screw pitch in its right-handed thread portion, therefore when right side activity gauge head and deep hole processing inner wall contact, left side activity gauge head has contacted, thus
Form the flexible contact of gauge head.At this point, fixed by the axis that deep hole processing current location may be implemented in 6 gauge heads of circle distribution
Heart function emits laser irradiation to photodetector 17 using the laser emitter 16 being mounted in centration axis, measures current
Deep hole axial location.If the axial location of current deep hole processing is glanced off relative to initial position, variation can be passed through
It rectifies a deviation according to adjustment cutter.
Laser emitter 16 is the prior art, selects Shenzhen Fu Lei Science and Technology Ltd. model in this embodiment
The dotted transmitter model of FU980AD100-BC10 100mw high power laser 980nm infrared ray.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
Claims (7)
1. a kind of positioning device of center of circular hole axis, which is characterized in that including sleeve, driving motor, centration axis, left taper circle
Platform, right conical round table, left-handed nut, pressure spring and several gauge heads；It is respectively equipped with and is uniformly distributed on the lateral wall of sleeve left and right ends
Three radial support cylinders；Centration axis is rotatably arranged in the central part of sleeve, and sleeve, centration axis extension end are stretched out in its both ends
One end connect with driving motor, the left side of centration axis is equipped with left hand thread portion and smooth cylindrical portion, and right side is equipped with right-handed thread
Portion；Left conical round table, pressure spring, left-handed nut, right conical round table are successively sleeved in centration axis, left conical round table and right taper circle
Platform big end is opposite；The smooth cylindrical portion of left conical round table and centration axis is slidably connected, the left hand thread of left-handed nut and centration axis
Portion's worm drive connection, the right-handed thread portion worm drive connection of right conical round table and centration axis；Pressure spring one end is against left taper
The small end end face of rotary table, the other end is against left-handed nut；Three are respectively equipped on the circular conical surface of left conical round table and right conical round table
A evenly distributed axial sliding slot is equipped with sliding rail in axial slide；Three gauge heads are set to left conical round table by sliding block one by one
In three axial slides, gauge head upper end is slidably disposed through support tube and its head is connect with deep hole processing inner wall；Three gauge heads
Be set to one by one by sliding block in the axial slide of right conical round table, gauge head upper end be slidably disposed through support tube and its head with plus
The connection of work inner walls of deep holes；Sliding block drives gauge head to slide along sliding rail.
2. positioning device as described in claim 1, which is characterized in that further include laser emitter and photodetector；Centering
The other end of axis extension end is equipped with laser emitter, and photodetector is set to the outside of deep hole processing for receiving laser emitter
The laser of transmitting.
3. positioning device as claimed in claim 1 or 2, which is characterized in that left-handed nut is equipped with locating rod, covers medial wall of the tube
Equipped with axially position slot, locating rod is slided in axially position slot.
4. positioning device as claimed in claim 1 or 2, which is characterized in that the gauge head includes fixing measuring staff and movable gauge head,
Fixed measuring staff is threadedly coupled with movable gauge head, and the head of movable gauge head is connect with sleeve interior surface, the bottom connection of fixed measuring staff
Sliding block.
5. positioning device as claimed in claim 3, which is characterized in that the fixed measuring staff is connected by gusseted block and sliding block
It connects, the upper surface of the bottom surface fitting sliding block of gusseted block.
6. positioning device as claimed in claim 1 or 2, which is characterized in that the left conical round table is by linear bearing and determines
Mandrel is slidably connected.
7. positioning device as claimed in claim 1 or 2, which is characterized in that the screw pitch in the left hand thread portion of the centration axis is big
Screw pitch in its right-handed thread portion, the screw pitch of left-handed nut are greater than the screw pitch of right conical round table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403074.2A CN110146039B (en) | 2019-05-15 | Positioning device for central axis of round hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403074.2A CN110146039B (en) | 2019-05-15 | Positioning device for central axis of round hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110146039A true CN110146039A (en) | 2019-08-20 |
| CN110146039B CN110146039B (en) | 2024-06-28 |
Family
ID=
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954046A (en) * | 2019-11-05 | 2020-04-03 | 内蒙古北方重工业集团有限公司 | Automatic taper hole centering device and taper hole taper measuring method thereof |
| CN110954037A (en) * | 2019-12-13 | 2020-04-03 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN113587841A (en) * | 2021-08-11 | 2021-11-02 | 东北大学 | Quick centering type blast hole measuring device |
| CN114812460A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Auxiliary measuring device and measuring method for hole positions of vehicle body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201419377Y (en) * | 2008-12-30 | 2010-03-10 | 上海大郡自动化***工程有限公司 | Mounting tool used for interference fit |
| WO2011055338A1 (en) * | 2009-11-05 | 2011-05-12 | Gyrometric Systems Limited | Alignment device for run out measurement apparatus |
| CN201856008U (en) * | 2010-11-05 | 2011-06-08 | 威海华东数控股份有限公司 | Variable-pitch worm |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN209877909U (en) * | 2019-05-15 | 2019-12-31 | 南京信息职业技术学院 | Positioning device for central axis of circular hole |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201419377Y (en) * | 2008-12-30 | 2010-03-10 | 上海大郡自动化***工程有限公司 | Mounting tool used for interference fit |
| WO2011055338A1 (en) * | 2009-11-05 | 2011-05-12 | Gyrometric Systems Limited | Alignment device for run out measurement apparatus |
| CN201856008U (en) * | 2010-11-05 | 2011-06-08 | 威海华东数控股份有限公司 | Variable-pitch worm |
| CN106949856A (en) * | 2017-06-01 | 2017-07-14 | 南京信息职业技术学院 | A kind of deep hole linear degree robot measurement based on PSD |
| CN209877909U (en) * | 2019-05-15 | 2019-12-31 | 南京信息职业技术学院 | Positioning device for central axis of circular hole |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954046A (en) * | 2019-11-05 | 2020-04-03 | 内蒙古北方重工业集团有限公司 | Automatic taper hole centering device and taper hole taper measuring method thereof |
| CN110954037A (en) * | 2019-12-13 | 2020-04-03 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN110954037B (en) * | 2019-12-13 | 2021-11-02 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN113587841A (en) * | 2021-08-11 | 2021-11-02 | 东北大学 | Quick centering type blast hole measuring device |
| CN114812460A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Auxiliary measuring device and measuring method for hole positions of vehicle body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106949856A (en) | A kind of deep hole linear degree robot measurement based on PSD | |
| CN109990740A (en) | A kind of robot measuring stepped hole straightness | |
| CN203103513U (en) | Communication antenna azimuth adjustment system | |
| CN103363866A (en) | Large-scale rolling bearing axial clearance measuring method | |
| CN105973188A (en) | System and method for measurement of engine jet pipe axis | |
| CN109014322A (en) | A kind of boring angle positioning device of large-scale pipeline inner wall | |
| CN206756116U (en) | A kind of deep hole linear degree robot measurement based on PSD | |
| CN110146039A (en) | The positioning device of center of circular hole axis | |
| CN109737889A (en) | A kind of superdeep holes circularity overall process intelligent checking system | |
| CN104007172A (en) | Engine cylinder lossless detection device | |
| CN209877909U (en) | Positioning device for central axis of circular hole | |
| CN107643067A (en) | A kind of bearing inner race inner circle roundness measuring system | |
| CN108489428A (en) | Piston cylinder axiality detection device and method | |
| CN209605773U (en) | A kind of robot measuring stepped hole straightness | |
| CN109297437A (en) | One kind is based on the self-centering deep blind hole linearity measurer of PSD | |
| CN209416293U (en) | A kind of superdeep holes circularity overall process intelligent checking system | |
| CN209214558U (en) | One kind is based on the self-centering deep blind hole linearity measurer of PSD | |
| CN110146039B (en) | Positioning device for central axis of round hole | |
| CN113865421B (en) | Bore internal surface non-contact rotary scanning device | |
| CN109724799A (en) | Bearing rotation precision measuring device | |
| CN112577737B (en) | Linear bearing durability test tool | |
| CN211100888U (en) | Large-scale bearing inspection machine | |
| CN115415463A (en) | Gap eliminating device and screw press | |
| CN208155239U (en) | A kind of threaded plug type air cooler plug hole perpendicularity detection tool device | |
| CN210374923U (en) | Motor center height measuring tool |
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 | ||
| GR01 | Patent grant |