CN109974560A - Hole center positioning device - Google Patents
Hole center positioning device Download PDFInfo
- Publication number
- CN109974560A CN109974560A CN201910314991.3A CN201910314991A CN109974560A CN 109974560 A CN109974560 A CN 109974560A CN 201910314991 A CN201910314991 A CN 201910314991A CN 109974560 A CN109974560 A CN 109974560A
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- Prior art keywords
- hole
- locating shaft
- clamping
- heart
- positioning
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- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/143—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between holes on a workpiece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a hole center positioning device which comprises a hole center positioning shaft, wherein at least three clamping press blocks capable of being adjusted in a telescopic mode along the radial direction are arranged on the hole center positioning shaft, a first clamping groove matched with the clamping press blocks is formed in the hole center positioning shaft, the hole center positioning shaft further comprises an end seat used for fixing the clamping press blocks on the upper end portion of the hole center positioning shaft in a compression mode through elastic pieces and a transverse pressing adjusting assembly used for enabling the clamping press blocks to be adjusted in a telescopic mode along the radial direction of the hole center positioning shaft in a telescopic mode, a second clamping groove matched with the clamping press blocks is formed in the end seat to position the clamping press blocks in the transverse mode, and a center. This hole center positioner, can chucking round hole inner wall, the hole center location is accurate, and the steadiness is good, simple structure, and the hole center distance of two adjacent round holes of convenience is measured, and measurement accuracy is high.
Description
Technical field
The present invention relates to measuring device technical fields, and in particular to a kind of hole heart positioning device.
Background technique
Currently, for two center of circular hole on workpiece away from measurement method it is relatively more.For example, conventional using the circle of tape measure two
The center in hole away from when, mainly by personnel's subjectivity estimate central point, be difficult to be accurately aimed at the central point of circular hole, therefore cause to measure
There is largely error in distance and actual range out.
Chinese patent CN207335578U discloses a kind of center of circular hole positioning device, mainly using positioning round orifice upper surface
Shell and one end are equipped with cone, the other end is equipped with the push rod in center identification portion, by by the open end and circular hole of shell
Then the plane contact of surrounding is cooperated using cone and circular hole, then the center identification portion acquisition circular hole for passing through the push rod other end
Center, the center of circular hole can be accurately positioned, provide reasonable foundation for the range measurement of circular hole.The circular hole is fixed
It is easy inclination during the cone of position device and circular hole cooperation, leads to center of circular hole position inaccurate;It will be according to cone
Size adapt to the size of circular hole, therefore measurement range is small;Position stability is poor, and when measurement is easy to happen inclination, it has not been convenient to
Measurement;When the plane out of plumb of circular hole and circular, measurement effect is poor.
Therefore, the prior art needs to be further increased.
Summary of the invention
It in view of the drawbacks of the prior art, can be in clamping circular hole the object of the present invention is to provide a kind of hole heart positioning device
Wall, hole heart accurate positioning, stability is good, and structure is simple, facilitates the hole heart of adjacent two circular hole away from measurement, and measurement accuracy is high.
To reach above-mentioned purpose, it adopts the following technical scheme that
A kind of hole heart positioning device, including hole heart locating shaft, the hole heart locating shaft is equipped at least three can be radially
The clamping briquetting of flexible adjustment, the hole heart locating shaft be equipped with matched first card slot of clamping briquetting, further include for will
The clamping briquetting is fixed on sitting up straight and making clamping briquetting along Kong Xinding for hole heart locating shaft upper end by elastic component compression
Lateral compress of position axis radial expansion adjustment adjusts component, it is described sit up straight equipped with the second card slot matched with clamping briquetting with
Center identification portion is arranged in the upper surface of clamping briquetting described in located lateral, the hole heart locating shaft.
Wherein, the hole heart locating shaft includes the centralized positioning portion integrally fixed, reverse frustoconic middle part and lower part adjustment axis
Constitute, the upper surface area in the middle part of the reverse frustoconic is greater than the basal diameter in centralized positioning portion, the centralized positioning portion it is upper
Center identification portion is arranged in end face.
Wherein, it is described laterally compress adjust component include the adjusting sleeve being socketed on the heart locating shaft of hole, it is opposite with adjusting sleeve
The ball of Yu Kongxin locating shaft longitudinal movement, through-hole is arranged in the adjusting sleeve, and the upper end inner wall of the adjusting sleeve is equipped with ring
Shape ball groove, the clamping briquetting outside are equipped with the longitudinal chute mutually agreed with ball, the card that the ball can scroll up and down
It is held between the annular ball groove and the longitudinal chute, the adjusting sleeve and the lower part adjustment axis of hole heart locating shaft are removable
Unload connection.
Wherein, the through-hole of the adjusting sleeve is conical bore, the partly side without leave far from the clamping briquetting of the through-hole
It is become larger to the side close to the clamping briquetting, the adjusting sleeve lower end is threadedly coupled with lower part adjustment axis can opposite institute
The longitudinal movement of clamping briquetting is stated, the adjusting sleeve drives ball groove to vertically move relative to clamping briquetting to adjust ball to card
Press the radial pressure of block and then adjusts clamping briquetting along the radial displacement of hole heart locating shaft.
Wherein, the clamping briquetting includes the top clamping support portion integrally fixed and lower part clamping positioning region, the card
The outside opposite with the axle center of hole heart locating shaft is equipped with positioning support protrusion in compact schemes portion, on positioning support protrusion with Kong Xinding
The outermost sideline that the axle center of position axis is opposite is contacted with by the circular-hole internal-wall line of the location hole heart;On the clamping positioning region with the hole heart
Inclined sliding contact surface is arranged in the opposite outside in the axle center of locating shaft, and the sliding contact surface is equipped with longitudinal chute, described
Slope angle of the slope angle of sliding contact surface no more than the tapered slope face of adjusting sleeve conical bore.
Wherein, first card slot is shaped in the centralized positioning portion, on the side in the middle part of reverse frustoconic, it is described in
Heart positioning region further includes the threaded portion above the first card slot, and described sit up straight connect with threaded portion with the clamping that is locked
Briquetting.
Wherein, one end of the elastic component is mounted on the heart locating shaft of hole, the other end and clamping briquetting of the elastic component
Contact and holding compressive state, the hole heart locating shaft is equipped with the first positioning groove that card sets described elastic component one end, described
Clamping briquetting is equipped with the second positioning groove that card sets the elastic component other end, and first positioning groove is located at the first card slot
Top end part.
It wherein, further include being located at adjustment portion lower end with the retaining ring for the adjusting sleeve that is locked, and be located at Kong Xinding
The shaft end block of position axis lower end.
Wherein, the clamping briquetting is laid in the side of the hole heart locating shaft.
Wherein, the cross section of the positioning support protrusion is in semi-circular.
By adopting the above technical scheme, it has the following technical effect that
1, hole heart positioning device of the invention using hole heart locating shaft, is laid at least the three of hole heart locating shaft side
The clamping briquetting of a adjustment that can radially stretch is fixed on hole heart locating shaft upper end for compressing clamping briquetting by elastic component
Sitting up straight and compressing clamping briquetting along the transverse direction that hole heart locating shaft radial expansion adjusts for portion adjusts component, on clamping support portion
The outside opposite with the axle center of hole heart locating shaft is equipped with positioning support protrusion, the axle center on positioning support protrusion with hole heart locating shaft
Opposite outermost sideline is contacted with by the circular-hole internal-wall line of the location hole heart, the hole heart positioning device can card tieholen inner wall, hole
Heart accurate positioning, stability is good, facilitates the hole heart of adjacent two circular hole away from measurement, and measurement accuracy is high;
2, hole heart positioning device of the invention, can fit by adjusting the model of elastic component and the specification size of clamping briquetting
The round orifices orientation of different pore size size is answered, adaptation range is big;When the plane out of plumb of circular hole and circular, still have very well
Measurement effect.
3, hole heart positioning device of the invention, the through-hole of adjusting sleeve are conical bore, through-hole partly without leave far from clamping briquetting
Side become larger to close to the side of clamping briquetting, adjusting sleeve lower end is threadedly coupled with lower part adjustment axis, is rotated and is adjusted
Set lower end can be realized opposite clamping briquetting and vertically move, and adjusting sleeve drives annular ball groove longitudinal relative to clamping briquetting
It is mobile to adjust clamping briquetting in turn along the radial displacement of hole heart locating shaft to adjust ball to the radial pressure of clamping briquetting;First
Tightening adjusting sleeve clamping briquetting being retracted to can be put into the circular hole of workpiece, loosen adjusting sleeve again then to discharge clamping pressure
Block so that outermost sideline opposite with the axle center of hole heart locating shaft on the positioning support protrusion of clamping briquetting with by the location hole heart
Circular-hole internal-wall line contact, thus reach quickly, be accurately positioned effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hole heart positioning device of the present invention;
Fig. 2 is a kind of Structure explosion diagram of hole heart positioning device of the present invention;
Fig. 3 is the structural schematic diagram of clamping briquetting of the invention;
Fig. 4 is the structural schematic diagram of hole heart locating shaft of the invention;
Fig. 5 is a kind of usage state diagram of hole heart positioning device of the present invention;
In figure: hole heart positioning device -100;Hole heart locating shaft -10;First card slot -11;Center identification portion -12;Center is fixed
Position portion -13;- 14 in the middle part of reverse frustoconic;Lower part adjustment axis -15;First positioning groove -16;Clamping briquetting -20;Longitudinal chute-
21;Clamping support portion -22;Positioning support protrusion -221;Second positioning groove -222;Clamping positioning region -23;Sliding contact surface-
231;Elastic component -30;Sit up straight -40;Second card slot -41;Adjusting sleeve -51;Annular ball groove -511;Ball -52;Retaining ring-
60;Shaft end block -70;Circular hole -200.
Specific embodiment
Technical solution provided by the invention is illustrated in more detail with reference to the accompanying drawing.
In conjunction with Fig. 1-5, the present invention provides a kind of hole heart positioning device 100, including hole heart locating shaft 10, hole heart locating shaft 10
Being equipped at least three can radially stretch the clamping briquetting 20 adjusted, and clamping briquetting 20 is laid in the side of hole heart locating shaft 10
Face, hole heart locating shaft 10 be equipped with matched first card slot 11 of clamping briquetting 20, further include for passing through clamping briquetting 20
Elastic component 30, which compresses, is fixed on sitting up straight 40 and making clamping briquetting 20 along 10 diameter of hole heart locating shaft for 10 upper end of hole heart locating shaft
Component is adjusted to lateral compress of flexible adjustment, 40 is sat up straight and is equipped with the second card slot 41 matched with clamping briquetting 20 with transverse direction
Positioning card presses block, and center identification portion 12 is arranged in the upper surface of hole heart locating shaft 10.
Hole heart positioning device 100 of the invention using hole heart locating shaft 10, is laid in 10 side of hole heart locating shaft extremely
The clamping briquetting 20 of few three adjustment that can radially stretch is fixed on the hole heart for compressing clamping briquetting 20 by elastic component 30
The lateral compression adjusting for sitting up straight 40 and adjust clamping briquetting 20 along 10 radial expansion of hole heart locating shaft of locating shaft upper end
Component, the outside opposite with the axle center of hole heart locating shaft 10 is equipped with positioning support protrusion 221, positioning support on clamping support portion 22
The outermost sideline opposite with the axle center of hole heart locating shaft 10 is contacted with by the 200 inner wall line of circular hole of the location hole heart on protrusion 221,
The hole heart positioning device 100 can 200 inner wall of clamping circular hole, hole heart accurate positioning, stability is good, facilitates adjacent two circular hole 200
The hole heart away from measurement, and measurement accuracy is high;It is suitable for not by adjusting the model of elastic component and the specification size of clamping briquetting
With the round orifices orientation of pore size, adaptation range is big;When the plane out of plumb of circular hole 200 and circular, still have very well
Measurement effect;The through-hole of adjusting sleeve 51 is conical bore, and the partly side without leave far from clamping briquetting 20 of through-hole is to close to clamping
The side of briquetting 20 becomes larger, and 51 lower end of adjusting sleeve is threadedly coupled with lower part adjustment axis 15, rotates 51 lower end of adjusting sleeve
Opposite clamping briquetting 20 can be realized to vertically move, it is vertical relative to clamping briquetting 20 that the drive of adjusting sleeve 51 renews ball groove 511
To mobile to adjust ball 52 to the radial pressure of clamping briquetting 20 and then adjust clamping briquetting 20 along the diameter of hole heart locating shaft 10
To displacement;Tightening adjusting sleeve first clamping briquetting being retracted to can be put into the circular hole of workpiece, then loosen adjusting sleeve again
To discharge clamping briquetting 20, so that outermost side opposite with the axle center of hole heart locating shaft on the positioning support protrusion of clamping briquetting
Line is contacted with by the circular-hole internal-wall line of the location hole heart, to reach quick, effect is accurately positioned.
In the present embodiment, as shown in Figure 2, Figure 4 shows, hole heart locating shaft 10 includes integrally fixed centralized positioning portion 13, rounding
Platform shape middle part 14 and lower part adjustment axis 15 are constituted, and 14 upper surface area is greater than the bottom surface in centralized positioning portion 13 in the middle part of reverse frustoconic
Center identification portion 12 is arranged in the upper surface of diameter, centralized positioning portion;Laterally compressing and adjusting component includes being socketed on hole heart locating shaft
Adjusting sleeve 51 on 10, the ball 52 vertically moved with adjusting sleeve 51 relative to hole heart locating shaft 10, setting is logical in adjusting sleeve 51
Hole, the upper end inner wall of adjusting sleeve 51 be equipped with annular ball groove 511, is equipped on the outside of clamping briquetting 20 and agrees with 52 phase of ball
Longitudinal chute 21, what ball 52 can scroll up and down is fastened between annular ball groove 511 and longitudinal chute 21, adjusting sleeve 51 with
The lower part adjustment axis 15 of hole heart locating shaft 10 is detachably connected;The through-hole of adjusting sleeve 51 be conical bore, through-hole it is partly separate without leave
The side of clamping briquetting 20 to the side close to clamping briquetting 20 becomes larger, 51 lower end of adjusting sleeve and 15 spiral shell of lower part adjustment axis
Line connection can be vertically moved with respect to clamping briquetting 20, and adjusting sleeve 51 drives ball groove 511 relative to the longitudinal shifting of clamping briquetting 20
It is dynamic to adjust ball 52 to the radial pressure of clamping briquetting and then adjust clamping briquetting 20 along the radial displacement of hole heart locating shaft 10,
In use process, adjusting sleeve 51 is tightened first, clamping briquetting 20 is retracted in the circular hole 200 that can be put into workpiece, then again
Loosen adjusting sleeve 51 to discharge clamping briquetting 20 so that on the positioning support protrusion 221 of clamping briquetting 20 with hole heart locating shaft
The opposite outermost sideline in axle center is contacted with by the 200 inner wall line of circular hole of the location hole heart, to reach quick, effect is accurately positioned
Fruit.
In the present embodiment, as Figure 2-3, clamping briquetting 20 includes integrally fixed top clamping support portion 22 and lower part
Clamping positioning region 23, the outside opposite with the axle center of hole heart locating shaft 10 is equipped with positioning support protrusion 221 on clamping support portion 22,
The outermost sideline opposite with the axle center of hole heart locating shaft 10 and the circular-hole internal-wall line by the location hole heart on positioning support protrusion 221
Contact, the cross section of the positioning support protrusion 221 with better clamping positioning round orifice inner wall, are realized quick and precisely at semi-circular
The hole heart positioning;Inclined sliding contact surface is arranged in the outside opposite with the axle center of hole heart locating shaft 10 on clamping positioning region 23
231, sliding contact surface 231 is equipped with longitudinal chute 21, and the slope angle of sliding contact surface 231 is not more than the cone of 51 conical bore of adjusting sleeve
The slope angle of shape slope, so that not generating friction with sliding contact surface 231 when the adjusting sleeve moves up and down, and being capable of larger range
Clamping briquetting 20 is adjusted along the radial displacement of hole heart locating shaft 10.
In the present embodiment, as shown in Figure 2, Figure 4 shows, the first card slot 11 is shaped in centralized positioning portion 13, in reverse frustoconic
On the side in portion 14, centralized positioning portion 13 further includes the threaded portion above the first card slot, sits up straight and detachably connects with threaded portion
It connects with the clamping briquetting 20 that is locked;Can also use will sit up straight and be welded and fixed hole heart locating shaft top with located lateral clamping
Briquetting is not construed as limiting this, as long as located lateral clamping briquetting.
In the present embodiment, as Figure 2-3, one end of elastic component 30 is mounted on hole heart locating shaft 10, elastic component 30
The other end contacts with clamping briquetting 20 and keeps compressive state, and elastic component can use compressed spring, can also use other pressures
Contracting elastic component;Hole heart locating shaft 10 is equipped with the first positioning groove 16 that card sets 30 one end of elastic component, and clamping briquetting 20 is equipped with
Card sets the second positioning groove 222 of 30 other end of elastic component, and the first positioning groove 16 is located at the top end part of the first card slot 11, and second
Positioning groove 222 is located inside opposite with the axle center of hole heart locating shaft on clamping support portion 22, the first positioning groove 16, second
Positioning groove 222 can also be substituted using positioning protrusion, played fixed function to elastic component, be not construed as limiting to this.
It further include being located at 51 lower end of adjusting sleeve with the locking for the adjusting sleeve 51 that is locked as Figure 2-3 in the present embodiment
Ring 60, retaining ring 60 are threadedly coupled with lower part adjustment axis 15, when on the positioning support protrusion of clamping briquetting with hole heart locating shaft
The opposite outermost sideline in axle center by the circular-hole internal-wall line of the location hole heart with when being contacted, and rotation lock ring is with the adjustment that is locked
Set, further strengthens the stability of the hole heart positioning device when carrying out hollow positioning;Positioned at 10 lower end of hole heart locating shaft
Shaft end block 70 is rotating adjusting sleeve or when retaining ring, and a hand holds the shaft end block 70, another hand rotate adjusting sleeve or
Retaining ring is easy to use.
Preferably, the cross section in center identification portion 12 is fan-shaped or round, is also possible to cross groove, can accurately determine
Position goes out the center of circular hole, with no restriction to this.
The installation process of the hole heart positioning device 100 are as follows: the centralized positioning for being installed to hole heart locating shaft 10 will be sat up straight first
Elastic component is packed into the first positioning groove 15, the second positioning groove 222, then clamping briquetting 20 is packed into the first card slot 11 by portion 13,
Then adjusting sleeve is packed into from 15 one end of lower part adjustment axis, when close to clamping briquetting 20, ball is packed into annular ball groove
Between 511 and longitudinal chute 21, retaining ring 60 and shaft end block 70 are then successively assembled, i.e. assembly is completed.
By adopting the above technical scheme, the use process of the hole heart positioning device 100 are as follows: tighten adjusting sleeve 51 first and make card
Press block 20 and be retracted to and can be put into the circular hole of workpiece, loosen adjusting sleeve 51 again then to discharge clamping briquetting 20, so that card
Press outermost sideline and 200 inner wall of circular hole opposite with the axle center of hole heart locating shaft 10 on the positioning support protrusion 221 of block 20
Line contact, can be realized the positioning of the circular hole hole heart, and quick and accurate positioning is practical.
Above-described embodiment is only used to illustrate the technical scheme of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Example documented by technical solution modify perhaps equivalent replacement of some of the technical features but these modification or
Replacement, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of hole heart positioning device, which is characterized in that including hole heart locating shaft, the hole heart locating shaft is equipped at least three
Can radially stretch adjustment clamping briquetting, the hole heart locating shaft be equipped with matched first card slot of clamping briquetting, also wrap
It includes for sitting up straight and making clamping briquetting by what elastic component compression was fixed on hole heart locating shaft upper end for the clamping briquetting
Lateral compress along the adjustment of hole heart locating shaft radial expansion adjusts component, described to sit up straight equipped with the matched with clamping briquetting
Center identification portion is arranged with clamping briquetting described in located lateral, the upper surface of the hole heart locating shaft in two draw-in groove.
2. heart positioning device in hole according to claim 1, which is characterized in that the hole heart locating shaft includes integrally fixing
It is constituted in the middle part of centralized positioning portion, reverse frustoconic with lower part adjustment axis, the upper surface area in the middle part of the reverse frustoconic is greater than center
Center identification portion is arranged in the upper surface of the basal diameter of positioning region, the centralized positioning portion.
3. heart positioning device in hole according to claim 1 or 2, which is characterized in that the laterally compression adjusts component and includes
The adjusting sleeve being socketed on the heart locating shaft of hole, the ball vertically moved with adjusting sleeve relative to hole heart locating shaft, the adjusting sleeve
Upper setting through-hole, the upper end inner wall of the adjusting sleeve are equipped with annular ball groove, and the clamping briquetting outside is equipped with and ball
The longitudinal chute mutually agreed with, what the ball can scroll up and down the be fastened in annular ball groove and the longitudinal chute it
Between.
4. heart positioning device in hole according to claim 3, which is characterized in that the through-hole of the adjusting sleeve is conical bore, institute
The partly side without leave far from the clamping briquetting to the side close to the clamping briquetting for stating through-hole becomes larger, the adjustment
Set lower end is threadedly coupled with lower part adjustment axis the clamping briquetting to be vertically moved relatively, the adjusting sleeve drive ball groove
It is vertically moved relative to clamping briquetting to adjust ball to the radial pressure of clamping briquetting and then adjust clamping briquetting along Kong Xinding
The radial displacement of position axis.
5. heart positioning device in hole according to claim 4, which is characterized in that the clamping briquetting include integrally fix it is upper
Portion's clamping support portion and lower part clamping positioning region, the outside opposite with the axle center of hole heart locating shaft is equipped on the clamping support portion
Positioning support protrusion, on positioning support protrusion the outermost sideline opposite with the axle center of hole heart locating shaft with by the circle of the location hole heart
The contact of hole inner wall line;Inclined sliding contact is arranged in the outside opposite with the axle center of hole heart locating shaft on the clamping positioning region
Face, the sliding contact surface are equipped with longitudinal chute, and the slope angle of the sliding contact surface is not more than the taper of adjusting sleeve conical bore
The slope angle of slope.
6. heart positioning device in hole according to claim 5, which is characterized in that first card slot is shaped in described
On side in the middle part of heart positioning region, reverse frustoconic, the centralized positioning portion further includes the threaded portion above the first card slot, institute
It states to sit up straight and be detachably connected with threaded portion with the clamping briquetting that is locked.
7. heart positioning device in hole according to claim 6, which is characterized in that one end of the elastic component is mounted on Kong Xinding
On the axis of position, the other end of the elastic component contacts with clamping briquetting and keeps compressive state, and the hole heart locating shaft is equipped with card
If first positioning groove of described elastic component one end, the clamping briquetting is determined equipped with card sets the elastic component other end second
Position groove, first positioning groove are located at the top end part of the first card slot.
8. heart positioning device in hole according to claim 7, which is characterized in that further include being located at adjusting sleeve lower end to lock admittedly
Under the retaining ring of the adjusting sleeve calmly, and the shaft end block positioned at hole heart locating shaft lower end, the shaft end block and hole heart locating shaft
End is detachably connected.
9. -2, the described in any item hole heart positioning devices of 3-8 according to claim 1, which is characterized in that the clamping briquetting is uniformly distributed
Set on the side of the hole heart locating shaft.
10. heart positioning device in hole according to claim 9, which is characterized in that the cross section of the positioning support protrusion is in
It is semi-circular.
Priority Applications (1)
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CN201910314991.3A CN109974560B (en) | 2019-04-18 | 2019-04-18 | Hole core positioning device |
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CN201910314991.3A CN109974560B (en) | 2019-04-18 | 2019-04-18 | Hole core positioning device |
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CN109974560A true CN109974560A (en) | 2019-07-05 |
CN109974560B CN109974560B (en) | 2024-03-19 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110936230A (en) * | 2019-12-18 | 2020-03-31 | 广西柳工机械股份有限公司 | Round hole center positioning device, round hole center line drawing and distance measuring device |
CN113865466A (en) * | 2021-10-27 | 2021-12-31 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring distance from hole center to plane |
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王仲等: "基于逼近式回转定心法的孔心距测量", 机械科学与技术, no. 12, 15 December 2013 (2013-12-15) * |
Cited By (3)
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CN110936230A (en) * | 2019-12-18 | 2020-03-31 | 广西柳工机械股份有限公司 | Round hole center positioning device, round hole center line drawing and distance measuring device |
CN110936230B (en) * | 2019-12-18 | 2021-07-02 | 广西柳工机械股份有限公司 | Round hole center positioning device, round hole center line drawing and distance measuring device |
CN113865466A (en) * | 2021-10-27 | 2021-12-31 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring distance from hole center to plane |
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