CN105865299A - Self-centering position information detection tool for holes in flange - Google Patents
Self-centering position information detection tool for holes in flange Download PDFInfo
- Publication number
- CN105865299A CN105865299A CN201610436124.3A CN201610436124A CN105865299A CN 105865299 A CN105865299 A CN 105865299A CN 201610436124 A CN201610436124 A CN 201610436124A CN 105865299 A CN105865299 A CN 105865299A
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- self
- hole
- steel ball
- flange
- ball
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- 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
Abstract
The invention provides a self-centering position information detection tool for holes in a flange. The self-centering position information detection tool for the holes in the flange comprises a base, measuring heads and a self-centering structure, wherein the base is provided with a circular lug boss; the base on the outer side of the lug boss is provided with multiple blind holes; the measuring heads are placed in the blind holes; the self-centering structure comprises a push rod component and at least three ball ways; multiple first steel balls are arranged in each ball way; the bottom of the push rod component is provided with a second steel ball; the diameter of the second steel ball is more than the diameter of an externally tangent ball of a space enclosed by all first steel balls, which approach the center of the lug boss, in the ball ways; further, a difference between the diameters of the first steel balls in each ball way and the radius of the lug boss is less than the radius of the externally tangent ball; the push rod component can drive the second steel ball to move up and down, and extrudes the first steel balls to move in the ball ways. According to the self-centering position information detection tool for the holes in the flange, a self-centering detection tool is adopted to replace measuring tools such as a snap gauge, a plug gauge, a vernier caliper, a three-coordinate measuring instrument and the like; mounting holes in the flange are detected at the same time; the operation is simple; the use is convenient; time and labor are saved; the precision is high; the inspection efficiency is high.
Description
Technical field
The present invention relates to the position degree detection equipment technical field in hole, particularly relate to a kind of self-centering flange hole
Position detecting tool.
Background technology
Having multiple installing hole on flange, the serviceability of flange is had a direct impact by the position degree of installing hole, because of
This, flange must carry out quantitative testing to its hole location before dispatching from the factory, and i.e. judges that the position in hole and size are
No meet requirement is set, existing detection method has following several: (1) use three-coordinates measuring machine to hole
Position degree is tested, although has the advantage that precision is high, but uses three-coordinates measuring machine disposably to put into
Cost is relatively big, and needs special messenger to operate, and operation complexity, detection efficiency is low；(2) calliper, feeler gauge are used
Detect with the measurer such as slide gauge, although cost can be reduced, require operator to reduce, but
Need each hole is detected one by one, still there is the shortcoming that efficiency is low, testing accuracy is the highest, above-mentioned two
The method of kind is all unsatisfactory for the demand produced in enormous quantities.
Summary of the invention
The technical problem to be solved is: in order to overcome, checkability in prior art is low, operation is multiple
The deficiency that miscellaneous and precision is low, the present invention provides a kind of self-centering flange hole position detecting tool, uses self-centering
Cubing replace the survey tools such as calliper, feeler gauge, slide gauge and three-coordinates measuring machine, to the peace on flange
Dress hole is detected simultaneously, simple to operate, easy to use, time saving and energy saving, and precision is reliable, and checkability is high.
The technical scheme that the present invention solves its technical problem to be taken is: a kind of self-centering flange hole position degree
Cubing, including base and measurement head, described base is provided with round boss, on the base outside described boss
Being provided with multiple blind hole corresponding with flange hole position, described measurement head is placed in described blind hole, on described base
Being additionally provided with self contering structure, described self contering structure includes being arranged on the push-rod assembly on described boss and along footpath
Several first steel balls, institute it is provided with at least three alley being arranged within boss, each described alley
Stating and be provided with the second steel ball bottom push-rod assembly, the diameter of described second steel ball is close boss more than in described alley
All first steel balls at center surround the diameter of the outer cut in space, and the diameter of the first steel ball in each alley
And it is less than the radius of outer cut with the difference of boss radius, described push-rod assembly can drive the second steel ball to move up and down,
Extrude described first steel ball to move in alley.
Alley radially in divergent shape, makes first by mentioning or depressing the second steel ball centered by boss center
Steel ball can slide in alley or roll, and the second steel ball produces extruding radially to the first steel ball.
Further, described push-rod assembly includes that sleeve and push rod, described sleeve bottom are fixed with described boss,
Described sleeve top is provided with through hole, and described push rod one end is connected through described through hole with described second steel ball.
Further, being additionally provided with dividing plate between described push rod and described second steel ball, described dividing plate upper surface is provided with
First spring, described first spring one end is fixing with described dividing plate to be connected, the other end and the top of described sleeve
Fixing connection, described dividing plate lower surface is connected by connecting rod and described second steel ball are fixing.
Further, described push-rod assembly also includes that self-locking structure, described self-locking structure include being arranged on push rod
Radial protrusion, described through hole is flat hole, and the shortest internal diameter of through hole is less than the internal diameter of sleeve, described convex
The radical length the risen the longest internal diameter less than through hole and the shortest internal diameter more than through hole.
Further, described measurement head includes weight, pull head and pull bar, and described pull bar is solid with described pull head upper end
Fixed connection, described pull head is connected with the plug of described weight, the external diameter of described weight and the internal diameter of described blind hole
Join.The axis measuring head and blind hole dead in line is can ensure that, it is ensured that the concordance of detection by weight,
Improve certainty of measurement.Weight has location and improves the effect of stability.
Further, the base in described boss front is provided with the step surface mated with flange bottom, described step
Face is less than the end face of described base, and described step surface is provided with the locating dowel corresponding with flange axis hole, described fixed
The position external diameter of post mates with the internal diameter of described flange axis hole.
Further, the diameter of described second steel ball is more than the diameter of described first steel ball.Straight when the second steel ball
When footpath is more than the diameter of the first steel ball, after the second steel ball is pressed down against the first steel ball, the centre of sphere of the second steel ball is high
In the centre of sphere of the first steel ball, due to, the active force between the first steel ball and the second steel ball is the line along the centre of sphere
Direction, therefore, the second steel ball has a downward-sloping power to the first steel ball, when acting on the second steel ball
On downward thrust disappear after, the first steel ball return produces an acclivitous power to the second steel ball, will
Second steel ball ejects, it is achieved eject reset automatically, it is not necessary to by external force by the second steel ball pull-up.Enter one
Step simplifies structure.
Operating principle:
Shape according to flange and need detection flange hole be sized and located to displacement detection measuring tool,
Whether relative position and the size of flange hole between qualitative detection flange hole meet design requirement, will
Measuring head to be placed in blind hole, the flange hole on flange is corresponding with the blind hole position in cubing and is placed in cubing,
Pull up measurement head by pull bar, see whether to pull out smoothly, if pull-out process ratio is smoothly,
And need not firmly rock during pull-out, occur without Caton phenomenon then illustrate qualified, otherwise it is assumed that defective.
Fix owing to drawing process requiring flange integral position need and center require to mate with frock center,
Therefore, use self contering structure to ensure that center is fixed, push down on push rod, the second steel bottom push rod drive
Ball produces an extruding force along centre of sphere line direction to the first steel ball in alley, makes the first steel in alley
Ball is displaced outwardly along alley, makes outermost first steel ball of alley prop up the sidewall of flange endoporus, thus produces
The support force of one radial direction makes flange fix, and prevents from, when extracting measurement head, making flange position change.
Owing to the steel ball size in alley is identical, and the radial forces in all directions produces simultaneously,
It may therefore be assured that the center of measurer and flange endoporus center superposition, it is achieved self-centering.
When the tests are completed, pulling out push rod, second steel ball on push rod top lifts, owing to acting on ball
Radial force on the first steel ball in road disappears, under the support of flange inner wall, the first steel ball along alley to convex
Platform center position moves, so that the power acted on flange endoporus sidewall disappears, can conveniently take off flange
Carry out the detection of next workpiece.
Operation when measuring for convenience, is additionally provided with self-locking structure on push rod, self-locking structure use protruding with
Diameter bore mates, and during insertion, makes protruding parallel with through hole long axis direction, is inserted by push rod in through hole, so
Rear half-twist, makes projection turn to the direction of short axle, so that protruding and through hole clamping, prevents the second steel
Ball reversely ejects.
The invention has the beneficial effects as follows: a kind of self-centering flange hole position detecting tool that the present invention provides, use
Self-centering cubing replaces the survey tools such as calliper, feeler gauge, slide gauge and three-coordinates measuring machine, to flange
On installing hole detect simultaneously, simple to operate, easy to use, time saving and energy saving, precision is reliable, inspection
Efficiency is high.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of tested flange；
Fig. 2 is the structural representation of preferred embodiment；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural representation of outer cut.
Fig. 5 is the profile of A-A in Fig. 3；
Fig. 6 is the profile of A-A in Fig. 3.
In figure: 1, flange, 1-1, flange hole, 1-2, flange endoporus, 1-3, flange axis hole, 1-4, support
Foot, 2, base, 3, measure head, 3-1, weight, 3-2, pull head, 3-3, pull bar, 4, boss, 5,
Step surface, 6, blind hole, 7, locating dowel, 8, alley, the 9, first steel ball, the 10, second steel ball, 11,
Outer cut, 12, sleeve, 13, push rod, 14, through hole, 15, protruding, 16, dividing plate, the 17, first bullet
Spring, 18, connecting rod.
Detailed description of the invention
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is the schematic diagram simplified, only with signal side
The basic structure of the formula explanation present invention, therefore it only shows the composition relevant with the present invention.
Being the structural representation of detected flange 1 as shown in Figure 1, flange 1 is provided with seven flange hole 1-1,
Seven flange hole 1-1 are axially symmetric along flange 1, are provided with a flange endoporus 1-2, in flange in the middle part of flange 1
The front portion of hole 1-2 is provided with a flange axis hole 1-3, and the excircle of flange 1 is additionally provided with multiple spike 1-4.
Embodiment one:
As shown in Figure 2-5, a kind of self-centering flange hole position detecting tool of the present invention, including base 2, measure
3 and self contering structure, base 2 for the support of flange 1 and fixing, the shape of base 2 upper surface with
Flange 1 bottom shape mates, and measurement 3 is for the size and location of qualitative detection flange hole 1-1, self-centering
Structure is used for feeling relieved, it is ensured that the concordance of detection.
Base 2 is provided with round boss 4, and boss 4 external diameter mates with flange endoporus 1-2 internal diameter, round boss
The front of 4 is provided with step surface 5, the base 2 outside boss 4 be provided with seven corresponding with flange hole 1-1 position
Blind hole 6, measure 3 and be placed in blind hole 6, step surface 5 mates with flange 1 bottom surface, and step surface 5 is less than
The end face of base 2, step surface 5 is provided with the locating dowel 7 corresponding with flange axis hole 1-3, outside locating dowel 7
Footpath is mated with the internal diameter of flange axis hole 1-3；Self contering structure includes being arranged on the push-rod assembly on boss 4 and edge
Be radially arranged at least three alley 8 within boss 4, alley 8 with boss 4 centrally along radially in divergent shape,
It is provided with several first steel balls 9 in each alley 8, bottom push-rod assembly, is provided with the second steel ball 10, the second steel
More than in alley 8, all first steel balls 9 at close boss 4 center surround the outer cut in space to the diameter of ball 10
The diameter of 11, the structure chart of outer cut 11 and the first steel ball 9 as shown in Figure 4, and in each alley 8 first
The diameter of steel ball 9 and with the difference of boss 4 radius less than the radius of outer cut 11, it is preferred that the second steel ball 10
The diameter of diameter the first steel ball 9, push-rod assembly can drive the second steel ball 10 to move up and down, extrude the first steel
Ball 9 moves in alley 8.
Push-rod assembly includes the hollow circle that sleeve 12, push rod 13 and self-locking structure, sleeve 12 are bottom opening
Cylinder, fixes with boss 4 bottom sleeve 12, and sleeve 12 top is provided with through hole 14, and through hole 14 is flat hole,
Can use section is rectangle, kidney ellipsoid or slotted eye, and push rod 13 one end passes through hole 14 and second
Steel ball 10 is fixing to be connected, by pulling push rod 13 that the second steel ball 10 can be driven to move up and down up and down, and push rod 13
Outer wall on be additionally provided with protruding 15, use protruding 15 and through hole 14 coupling form self-locking structure, need to ensure
The shortest internal diameter of through hole 14 is less than the internal diameter of sleeve 12, and the radical length of protruding 15 is less than through hole 14
Long internal diameter and the shortest internal diameter more than through hole 14, make protruding 15 can only could pull out through hole 14 in a direction.
Measurement 3 includes that weight 3-1, pull head 3-2 and pull bar 3-3, pull bar 3-3 and pull head 3-2 fix upper end
Connecting, pull head 3-2 and weight 3-1 plug is connected, and the external diameter of weight 3-1 mates with the internal diameter of blind hole 6.
Embodiment two:
As shown in Figure 6, a kind of self-centering flange hole position detecting tool of the present embodiment and the structure of embodiment one
Essentially identical, its structure differing only in push-rod assembly is different, push-rod assembly include sleeve 12, push rod 13,
Self-locking structure and dividing plate 16, sleeve 12 is the hollow circular cylinder of bottom opening, with boss 4 bottom sleeve 12
Fixing, sleeve 12 top is provided with through hole 14, and through hole 14 is flat hole, can use section be rectangle,
Kidney ellipsoid or slotted eye, dividing plate 16 is between push rod 13 and the second steel ball 10, and push rod 13 one end is worn
Crossing through hole 14 to be connected with dividing plate 16, dividing plate 16 upper surface is provided with the first spring 17, first spring 17 one end
Fixing with dividing plate 16 and be connected, the other end is fixing with the top of sleeve 12 to be connected, and dividing plate 16 lower surface is by even
Extension bar 18 is fixing with the second steel ball 10 to be connected, and pushes down on push rod 13, push rod 13 dividing plate 16 is produced to
Under thrust, promote connecting rod 18 and the second steel ball 10 to move downward, to the first steel ball 9 by dividing plate 16
Produce extruding force, meanwhile, make the first spring 17 be in extended state, when push rod 13 is lifted up, effect
Power on dividing plate 16 disappears, and the first spring 17 shrinks, under the elastic force effect of the first spring 17, and dividing plate
16 lift the extruding force making the second steel ball 10 downward disappears, it is achieved the centering of flange 1.The outer wall of push rod 13
On be additionally provided with protruding 15, use protruding 15 and through hole 14 coupling form self-locking structure, need to ensure through hole 14
The shortest internal diameter less than the internal diameter of sleeve 12, the radical length of protruding 15 less than through hole 14 the longest internal diameter and
More than the shortest internal diameter of through hole 14, make protruding 15 can only could pull out through hole 14 in a direction.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant work
Make personnel and can carry out various change and amendment without departing from the scope of the present invention completely.Send out for this
Bright technical scope is not limited to the content in description, it is necessary to determine it according to right
Technical scope.
Claims (7)
1. a self-centering flange hole position detecting tool, including base (2) and measurement head (3), the described end
Seat (2) is provided with round boss (4), and the base (2) in described boss (4) outside is provided with multiple and method
The blind hole (6) that flange aperture (1-1) position is corresponding, described measurement head (3) is placed in described blind hole (6), its
Being characterised by: be additionally provided with self contering structure on described base (2), described self contering structure includes being arranged on institute
State the push-rod assembly on boss (4) and be arranged radially at least three alley (8) that boss (4) is internal,
It is provided with several first steel balls (9) in each described alley (8), bottom described push-rod assembly, is provided with the second steel
Ball (10), the diameter of described second steel ball (10) is close boss (4) center more than in described alley (8)
All first steel balls (9) surround the diameter of outer cut (11) in space, and in each alley (8)
The diameter of one steel ball (9) and with the difference of boss (4) radius less than the radius of outer cut (11), described in push away
Bar assembly can drive the second steel ball (10) to move up and down, and extrudes described first steel ball (9) in alley (8)
Interior motion.
2. self-centering flange hole position detecting tool as claimed in claim 1, it is characterised in that: described push rod
Assembly includes that sleeve (12) and push rod (13), described sleeve (12) bottom are fixed with described boss (4),
Described sleeve (12) top is provided with through hole (14), and described push rod (13) one end passes described through hole (14)
It is connected with described second steel ball (10).
3. self-centering flange hole position detecting tool as claimed in claim 2, it is characterised in that: described push rod
(13) and be additionally provided with dividing plate (16) between described second steel ball (10), described dividing plate (16) upper surface sets
Having the first spring (17), described first spring (17) one end is fixing with described dividing plate (16) to be connected, another
Holding the top with described sleeve (12) to fix to be connected, described dividing plate (16) lower surface passes through connecting rod and institute
State the fixing connection of the second steel ball (10).
4. self-centering flange hole position detecting tool as claimed in claim 2 or claim 3, it is characterised in that: described
Push-rod assembly also includes that self-locking structure, described self-locking structure include the radial protrusion being arranged on push rod (13)
(15), described through hole (14) is flat hole, and the shortest internal diameter of through hole (14) is less than sleeve (12)
Internal diameter, the radical length of described projection (15) is less than the longest internal diameter of through hole (14) and more than through hole (14)
The shortest internal diameter.
5. self-centering flange hole position detecting tool as claimed in claim 1, it is characterised in that: described measurement
Head (3) includes weight (3-1), pull head (3-2) and pull bar (3-3), and described pull bar (3-3) draws with described
Head (3-2) upper end is fixing to be connected, and described pull head (3-2) is connected with described weight (3-1) plug, described
The external diameter of weight (3-1) mates with the internal diameter of described blind hole (6).
6. self-centering flange hole position detecting tool as claimed in claim 1, it is characterised in that: described boss
(4) base (2) in front is provided with the step surface (5) mated with flange (1) bottom surface, described step surface
(5) less than the end face of described base (2), described step surface (5) is provided with determine corresponding with flange axis hole
Position post (7), the external diameter of described locating dowel (7) mates with the internal diameter of described flange axis hole.
7. self-centering flange hole position detecting tool as claimed in claim 1, it is characterised in that: described second
The diameter of steel ball (10) is more than the diameter of described first steel ball (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436124.3A CN105865299B (en) | 2016-06-17 | 2016-06-17 | Self-centering flange hole position check tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436124.3A CN105865299B (en) | 2016-06-17 | 2016-06-17 | Self-centering flange hole position check tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865299A true CN105865299A (en) | 2016-08-17 |
| CN105865299B CN105865299B (en) | 2019-01-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610436124.3A Active CN105865299B (en) | 2016-06-17 | 2016-06-17 | Self-centering flange hole position check tool |
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| CN106482600A (en) * | 2016-11-28 | 2017-03-08 | 上海航天精密机械研究所 | The measuring method of nacelle typical part and measurement apparatus |
| CN106671118A (en) * | 2016-12-24 | 2017-05-17 | 合肥知常光电科技有限公司 | Grabbing device and grabbing method for optical filter and positioning tool |
| CN108413904A (en) * | 2018-03-14 | 2018-08-17 | 苏州普费勒精密量仪有限公司 | A kind of sparking-plug electrode symmetry measuring device |
| CN109443125A (en) * | 2018-11-01 | 2019-03-08 | 无锡威孚奥特凯姆精密机械有限公司 | Magnetic cover detection device |
| CN109556485A (en) * | 2018-11-23 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of position degree measuring tool adjustable fixed inspection bushing device and its application method |
| CN114111498A (en) * | 2021-11-24 | 2022-03-01 | 中国航发哈尔滨轴承有限公司 | Hole position degree auxiliary detection tool |
| CN117268238A (en) * | 2023-11-23 | 2023-12-22 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106482600A (en) * | 2016-11-28 | 2017-03-08 | 上海航天精密机械研究所 | The measuring method of nacelle typical part and measurement apparatus |
| CN106482600B (en) * | 2016-11-28 | 2019-06-07 | 上海航天精密机械研究所 | The measurement method and measuring device of cabin typical part |
| CN106671118A (en) * | 2016-12-24 | 2017-05-17 | 合肥知常光电科技有限公司 | Grabbing device and grabbing method for optical filter and positioning tool |
| CN106671118B (en) * | 2016-12-24 | 2023-11-17 | 合肥知常光电科技有限公司 | Grabbing device, grabbing method and positioning tool for optical filter |
| CN108413904A (en) * | 2018-03-14 | 2018-08-17 | 苏州普费勒精密量仪有限公司 | A kind of sparking-plug electrode symmetry measuring device |
| CN109443125A (en) * | 2018-11-01 | 2019-03-08 | 无锡威孚奥特凯姆精密机械有限公司 | Magnetic cover detection device |
| CN109556485A (en) * | 2018-11-23 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of position degree measuring tool adjustable fixed inspection bushing device and its application method |
| CN114111498A (en) * | 2021-11-24 | 2022-03-01 | 中国航发哈尔滨轴承有限公司 | Hole position degree auxiliary detection tool |
| CN117268238A (en) * | 2023-11-23 | 2023-12-22 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
| CN117268238B (en) * | 2023-11-23 | 2024-01-26 | 上海狄兹精密机械有限公司 | Ball screw raceway measuring equipment and method |
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