CN109483217B - Coaxial calibrating device of equal diameter pole - Google Patents
Coaxial calibrating device of equal diameter pole Download PDFInfo
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- CN109483217B CN109483217B CN201811326815.3A CN201811326815A CN109483217B CN 109483217 B CN109483217 B CN 109483217B CN 201811326815 A CN201811326815 A CN 201811326815A CN 109483217 B CN109483217 B CN 109483217B
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- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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Abstract
The utility model provides a coaxial calibrating device of equal diameter pole, belongs to mechanical engineering, mechanical properties test and the clean technical field of pipeline abrasive flow, produces the problem of fastening off tracking phenomenon after solving the coaxial calibration precision of equal diameter pole poor with the calibration when fixed, and the solution is: the calibration device comprises a calibration base, a calibration station and an elastic calibration tray assembly, wherein the calibration base comprises a horizontal calibration base and a vertical calibration base, a through groove is formed in the horizontal calibration base along the length direction of the calibration base, and the horizontal elastic calibration tray assembly is arranged at the bottom of the through groove; at least two calibration stations are arranged along the axis direction of the through groove on the calibration base, each calibration station comprises a calibration support, a reference calibration ruler and a calibration bolt, the two calibration supports are respectively arranged at the head end and the tail end of each calibration station, the relative positions of the reference calibration ruler and the calibration bolt are adjusted, and at least two coaxial calibrations of equal-diameter rods are realized. The coaxial calibration method is high in calibration precision and simple to operate, and errors in coaxial calibration are effectively reduced.
Description
Technical Field
The invention belongs to the technical field of mechanical engineering, mechanical property testing and pipeline abrasive flow cleaning, and relates to a coaxial calibrating device for equal-diameter rods, in particular to a calibrating device mainly applied to coaxial arrangement and adjustment operation of the equal-diameter rods.
Background
In some working conditions, two or even a plurality of rod pieces, rod pieces and the like with equal-diameter long shafts need to be accurately placed on the same axis, for example, in a Hopkinson pressure bar device for testing mechanical properties of materials, in order to improve the accuracy of mechanical property test results, two equal-diameter rods, namely an incident rod and a transmission rod, need to be placed on the same axis. In the prior art, in order to ensure the coaxiality of the incident rod and the transmission rod, the end faces of the two equal-diameter rods are overlapped by manually adjusting the bases of the incident rod and the transmission rod, so that the axes of the two equal-diameter rods are on the same straight line, and then the bases are fixed by bolts. However, in the process of screwing the base by using the bolt, the rod bracket can move under the action of the tightening force, so that the two equal-diameter rods are deviated, and the equal-diameter rods cannot be placed on the same axis with high accuracy. Therefore, a coaxial calibrating device for the equal-diameter rod, which is convenient to operate and high in calibrating precision, is needed.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problem that the fastening and deviation phenomena are caused when the adjustment process cannot be accurately measured and fixed after calibration in the prior art, the coaxial calibrating device for the equal-diameter rods, disclosed by the invention, can be conveniently operated, and can accurately and reliably realize the coaxial arrangement of two or more equal-diameter rods.
The invention is realized by the following technical scheme.
The utility model provides a coaxial calibrating device of constant diameter pole, it includes calibration base, calibration station and elasticity calibration tray assembly, elasticity calibration tray assembly includes horizontal elasticity calibration tray assembly and vertical elasticity calibration tray assembly, wherein: the calibration base comprises a horizontal calibration base and a vertical calibration base, the vertical calibration base is vertically and upwardly arranged on one side above the horizontal calibration base, a through groove is formed in the horizontal calibration base along the length direction of the calibration base, an inner side calibration lug seat and an outer side calibration lug seat are arranged at the opening position of the upper portion of the through groove, the inner side calibration lug seat and the outer side calibration lug seat are oppositely arranged, the horizontal elastic calibration tray assembly is arranged at the bottom of the through groove, and the bottom surface of the horizontal elastic calibration tray assembly is connected with the bottom surface of the through groove through a spring;
at least two calibration stations are arranged on the calibration base along the axis direction of the through groove, each calibration station comprises a calibration support, a reference calibration ruler and a calibration bolt, each calibration bolt comprises a first calibration bolt, a second calibration bolt and a third calibration bolt, each calibration support is vertically upwards arranged above the horizontal elastic calibration tray assembly, each calibration station comprises two calibration supports which are coaxially arranged, the two calibration supports are arranged at the head end and the tail end of the calibration station, the upper part of each calibration support is provided with a through hole for mounting a uniform-diameter rod, the axis direction of the through hole is parallel to the axis direction of the through groove, cross scratches are arranged on the side wall of each calibration support and below the through hole, a reference calibration ruler guide hole is arranged at the position corresponding to each calibration support on the vertical calibration base, one end of each reference calibration ruler penetrates through the reference calibration ruler guide hole and extends to the top of the through groove, the other end of the reference calibration ruler extends to the outside of the vertical calibration base, a reference calibration ruler fastening nut is arranged on the outer end of the reference calibration ruler, the reference calibration ruler fastening nut is fixedly connected with the side wall of the vertical calibration base, and scales are arranged on the reference calibration ruler; the outer side calibration lug seat is provided with a first calibration bolt guide hole along the vertical direction, the outer side calibration lug seat is provided with a third calibration bolt guide hole along the horizontal direction, the axis of the first calibration bolt guide hole is perpendicular to the axis of the third calibration bolt guide hole in a non-coplanar manner, the inner side calibration lug seat is provided with a second calibration bolt guide hole along the vertical direction, the second calibration bolt guide hole and the first calibration bolt guide hole are symmetrically arranged relative to the axis direction of the through groove, the outer side surfaces of the first calibration bolt guide hole, the second calibration bolt guide hole and the third calibration bolt guide hole are fixedly provided with calibration nuts with the same diameters as the corresponding guide holes, the first calibration bolt is vertically and downwards installed in the first calibration bolt guide hole, the second calibration bolt is vertically and downwards installed in the second calibration bolt guide hole, and the end parts of the first calibration bolt and the second calibration bolt tightly press the horizontal elastic calibration tray assembly, the third calibration bolt is horizontally installed backwards in the third calibration bolt guide hole, the end part of the third calibration bolt presses the front side wall of the calibration support, the vertical elastic calibration tray assembly is also horizontally arranged forwards on the front surface of the inner side calibration lug seat corresponding to each calibration support through a spring, and the front end surface of the vertical elastic calibration tray assembly presses the rear side wall of the calibration support.
Further, the calibration base is L-shaped, and the horizontal calibration base and the vertical calibration base are integrally formed.
Further, the distance between the vertical plane of the axis of the third calibration bolt and the vertical plane of the axis of the guide hole of the reference calibration ruler is as follows: the nominal diameter of the third calibration bolt is multiple times the sum of the diameter of the guide hole of the reference check ruler.
Furthermore, six springs are uniformly distributed between the bottom surface of the horizontal elastic calibration tray assembly and the bottom surface of the through groove, and four springs are uniformly distributed between the rear end surface of the vertical calibration tray assembly and the inner side calibration lug seat and the front surface of the inner side calibration lug seat.
Further, the distance between the cross-shaped scratch and the side wall of the through hole is equal to the length of the diameter of the through hole.
Further, the benchmark check ruler sets up to the cylinder, is provided with the screw thread on the lateral wall that the benchmark check ruler is close to vertical calibration base one side, and the scale sets up in the middle part of benchmark check ruler and extends to and be close to calibration support one side to zero scale mark sets up in the middle part one side of benchmark check ruler.
Further, the precision of the scale is 1 mm.
A use method of the coaxial calibrating device for the equal-diameter rod comprises the following steps:
i, adjusting the length of the reference calibration ruler screwed into the reference calibration ruler fastening nut, so that a zero scale mark of the reference calibration ruler is aligned with the rear side face of the vertical calibration base;
II, moving a plurality of calibration supports in the through grooves on the horizontal calibration base respectively to enable the side wall of each calibration support to be attached to the corresponding reference calibration ruler;
III, adjusting the lengths of the first calibration bolt and the second calibration bolt screwed into the corresponding calibration nuts, enabling the lower end parts of the first calibration bolt and the second calibration bolt to tightly press the horizontal elastic calibration tray assembly, and further adjusting the distance between the horizontal elastic calibration tray assembly and the bottom surface of the through groove, so that the horizontal scratches of the cross-shaped scratches arranged on the side wall of the calibration support are flush with the upper tangent plane of the corresponding reference calibration ruler;
IV, adjusting the length of the third calibration bolt screwed into the corresponding calibration nut, pressing the vertical elastic calibration tray assembly through the calibration support by the third calibration bolt, and further adjusting the distance between the vertical elastic calibration tray assembly and the vertical calibration base to align the vertical scratches of the cross-shaped scratches arranged on the side wall of the calibration support with the same scale marks of the corresponding reference calibration ruler;
v, sequentially penetrating a plurality of equal-diameter rods into through holes formed in the calibration support, and realizing the coaxiality calibration of the equal-diameter rods at adjacent calibration stations.
Further, in the step V, the number of calibration stations is the same as that of the equal-diameter rods.
A preparation method of a coaxial calibrating device for a constant-diameter rod comprises the following steps:
firstly, a vertical calibration base is vertically and upwards arranged on one side above a horizontal calibration base, an inverted T-shaped through groove is formed in the horizontal calibration base along the length direction, an inner side calibration lug seat is arranged on one side, close to the vertical calibration base, of the opening position of the upper portion of the through groove, an outer side calibration lug seat is arranged on one side, far away from the vertical calibration base, of the opening position of the upper portion of the through groove, the lower surface of a horizontal tray in a horizontal elastic calibration tray assembly is fixedly connected with one ends of a plurality of springs, and the other ends of the plurality of springs are fixedly arranged on the bottom;
secondly, a plurality of reference check rule guide holes are formed in the rear side wall of the vertical calibration base, a reference check rule fastening nut is fixedly mounted on the rear side wall of the vertical calibration base and is coaxially arranged with the reference check rule guide holes, and the diameter of the inner ring of the reference check rule fastening nut is the same as that of the reference check rule guide holes; a first calibration bolt guide hole is formed in the outer calibration lug seat in the vertical direction, a third calibration bolt guide hole is formed in the outer calibration lug seat in the horizontal direction, the axis of the first calibration bolt guide hole is perpendicular to the axis of the third calibration bolt guide hole in the non-coplanar manner, a second calibration bolt guide hole is formed in the inner calibration lug seat in the vertical direction, the second calibration bolt guide hole and the first calibration bolt guide hole are symmetrically arranged relative to the axis direction of the through groove, and calibration nuts with the same diameter as the corresponding guide holes are fixedly mounted on the outer side surfaces of the first calibration bolt guide hole, the second calibration bolt guide hole and the third calibration bolt guide hole;
fixedly connecting the vertical elastic calibration tray assembly with one end of a spring, and fixedly installing the other end of the spring on the front side surface of the inner side calibration lug seat at the position below the guide hole of each reference calibration ruler;
fourthly, sequentially pushing the plurality of calibration supports into the through grooves from one end of the through grooves, adjusting the positions of the calibration supports to enable the calibration supports to be respectively arranged at the positions corresponding to the vertical elastic calibration tray assembly, and enabling the vertical elastic calibration tray to tightly press the rear side walls of the corresponding calibration supports;
fifthly, installing the first calibration bolt in the first calibration bolt guide hole, installing the second calibration bolt in the second calibration bolt guide hole, and adjusting the screwing length of the first calibration bolt and the second calibration bolt relative to the calibration nut so that the first calibration bolt and the second calibration bolt tightly press the horizontal elastic calibration tray assembly; installing a third calibration bolt in the third calibration bolt guide hole, and adjusting the screwing length of the third calibration bolt relative to the calibration nut to enable the third calibration bolt to tightly press the front side wall of the corresponding calibration support;
and sixthly, correspondingly installing the plurality of reference calibration rulers in the guide holes of the reference calibration rulers according to the same scale direction, and enabling the scaled end of the reference calibration ruler to penetrate through the guide holes of the reference calibration rulers and extend to the upper part of the through groove.
Compared with the prior art, the invention has the beneficial effects that:
i, adopt cylindrical benchmark check-up chi for the first time, the adjustment process when coaxial placing to equal diameter pole has carried out the accurate measurement, has effectively reduced the error when coaxial calibration.
II, the fastening deviation phenomenon generated in the process of fixing after calibration in the prior art is solved, and the reliability of a calibration result is improved.
III, the problem that after the base is fixed in the prior art, fine adjustment can not be carried out on the placing positions of the equal-diameter rods any more is solved.
And IV, providing a device which is essentially different from the calibration principle and can realize the coaxial placement calibration operation of the equal-diameter rods, and a technical scheme of device preparation and a device using method.
Drawings
FIG. 1 is a right view of the structure of the present invention.
FIG. 2 is a schematic top view of the present invention.
Fig. 3 is a right-view structural diagram of the calibration support.
Fig. 4 is a schematic top view of the reference calibration ruler.
In the figure, 1 is a horizontal calibration base, 2 is a vertical calibration base, 3 is a horizontal elastic calibration tray assembly, 4 is a through groove, 5 is a reference calibration ruler guide hole, 6 is a reference calibration ruler fastening nut, 7 is a reference calibration ruler, 8 is a calibration support, 9 is a through hole, 10 is a scratch, 11 is a first calibration bolt, 12 is a calibration nut, 13 is a first calibration bolt guide hole, 14 is a second calibration bolt, 15 is a second calibration bolt guide hole, 16 is a third calibration bolt, 17 is a third calibration bolt guide hole, 18 is an outer side calibration lug, 19 is a vertical elastic calibration tray assembly, and 20 is an inner side calibration lug.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
Example one
As shown in fig. 1 to 4, in the first embodiment, two calibration stations for calibrating the coaxiality of two equal-diameter rods are provided, namely, a first calibration station and a second calibration station, the first calibration station includes a first calibration bracket 8 and a second calibration bracket 8, the second calibration station includes a third calibration bracket 8 and a fourth calibration bracket 8, and the equal-diameter rod coaxial calibration device shown in fig. 1 to 2 is installed:
i, six springs under the horizontal tray of the horizontal elastic calibration tray assembly 3 and the bottom plate of the through groove 4 of the horizontal calibration base 1 are connected into a whole through welding and fixing.
And II, four reference calibration ruler guide holes 5 are respectively formed in equal-height positions on the vertical calibration base 2, a reference calibration ruler fastening nut 6 is welded on the rear side wall of the vertical calibration base 2 and is coaxially arranged with the reference calibration ruler guide holes 5, and the diameter of the inner ring of the reference calibration ruler fastening nut 6 is the same as that of the reference calibration ruler guide holes 5.
Iii, mounting the vertical elastic calibration tray assemblies 19 on the front surfaces of the corresponding inner side calibration lug seats 20 below each reference check rule guide hole 5, respectively, and making the axial direction of each vertical elastic calibration tray assembly 19 perpendicular to the axial direction of the second calibration bolt guide holes 15 provided on the corresponding inner side calibration lug seats 20.
IV, a first calibration bolt guide hole 13 and a third calibration bolt guide hole 17 are respectively arranged on the outer side calibration lug seat 18 corresponding to each calibration support 8, the axis of the first calibration bolt guide hole 13 is perpendicular to the axis of the third calibration bolt guide hole 17 in a non-coplanar manner, a second calibration bolt guide hole 15 is respectively arranged on the inner side calibration lug seat 20 corresponding to each calibration support 8, and calibration nuts 12 with the same diameter as the corresponding guide holes are fixedly arranged on the outer side surfaces of the first calibration bolt guide hole 13, the second calibration bolt guide hole 15 and the third calibration bolt guide hole 17.
V, with first calibration support 8, second calibration support 8, third calibration support 8 and fourth calibration support 8 along logical groove 4 slide in proper order to four vertical elasticity calibration tray assemblies 19 corresponding position departments, each vertical elasticity calibration tray assembly 19 compresses tightly the back side wall of corresponding calibration support 8.
Vi, for each calibration support 8 position: correspondingly installing a first calibration bolt 11 in a first calibration bolt guide hole 13 through a calibration nut 12, correspondingly installing a second calibration bolt 14 in a second calibration bolt guide hole 15 through the calibration nut 12, correspondingly installing a third calibration bolt 16 in a third calibration bolt guide hole 17 through the calibration nut 12, adjusting the length of the calibration bolt screwed in the calibration nut 12, enabling the first calibration bolt 11 and the second calibration bolt 14 to tightly press a horizontal elastic calibration tray assembly 3, and enabling the third calibration bolt 16 to tightly press a corresponding calibration bracket 8 and a corresponding vertical elastic calibration tray assembly 19.
And VII, correspondingly installing the four reference calibration rulers 7 in the reference calibration ruler guide holes 5 through the reference calibration ruler tightening nuts 6, and completing installation of the coaxial calibrating device for the equal-diameter rod.
When the coaxial calibrating device for the equal-diameter rods is used for calibrating the two equal-diameter rods, the coaxial calibrating device for the equal-diameter rods comprises the following steps:
i, adjusting the length of the reference calibration ruler 7 screwed into the reference calibration ruler fastening nut 6 to enable a zero scale mark of the reference calibration ruler 7 to be aligned with the rear side face of the vertical calibration base 2;
II, moving a plurality of calibration supports 8 in the through grooves 4 on the horizontal calibration base 1 respectively to enable the side wall of each calibration support 8 to be attached to the corresponding reference calibration ruler 7;
III, adjusting the lengths of the first calibration bolt 11 and the second calibration bolt 14 screwed into the corresponding calibration nut 12, pressing the horizontal elastic calibration tray assembly 3 by the lower end parts of the first calibration bolt 11 and the second calibration bolt 14, and further adjusting the distance between the horizontal elastic calibration tray assembly 3 and the bottom surface of the through groove 4 to enable the horizontal scratches of the cross-shaped scratches 10 arranged on the side walls of the calibration support 8 to be flush with the upper tangent planes of the corresponding reference calibration ruler 7;
IV, adjusting the length of the third calibration bolt 16 screwed into the corresponding calibration nut 12, wherein the third calibration bolt 16 compresses the vertical elastic calibration tray assembly 19 through the calibration support 8, and further adjusting the distance between the vertical elastic calibration tray assembly 19 and the vertical calibration base 2, so that the vertical scratches of the cross-shaped scratches 10 arranged on the side wall of the calibration support 8 are aligned with the same scale marks of the corresponding reference calibration ruler 7;
v, two equal-diameter rods sequentially penetrate through holes 9 formed in the calibration support 8, and coaxiality calibration of the two equal-diameter rods at the two calibration stations can be achieved.
Example two
In the second embodiment, six springs under the horizontal tray of the horizontal elastic calibration tray assembly 3 are fixedly connected with the bottom plate of the through slot 4 of the horizontal calibration base 1 into a whole by riveting, and similarly, the vertical elastic calibration tray assembly 19 is respectively riveted on the front surface of the corresponding inner calibration lug seat 20 under each reference calibration ruler guide hole 5, and the rest of the structure and the position relationship, the preparation and installation process and the calibration process of the coaxiality of the equal-diameter rod of the device are the same as those of the first embodiment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a coaxial calibrating device of equal diameter pole, it includes calibration base, calibration station and elasticity calibration tray assembly, elasticity calibration tray assembly includes horizontal elasticity calibration tray assembly (3) and vertical elasticity calibration tray assembly (19), its characterized in that: the calibration base comprises a horizontal calibration base (1) and a vertical calibration base (2), the vertical calibration base (2) is vertically and upwards arranged on one side above the horizontal calibration base (1), a through groove (4) is formed in the horizontal calibration base (1) along the length direction of the calibration base, an inner side calibration lug seat (20) and an outer side calibration lug seat (18) are arranged at the opening position of the upper portion of the through groove (4), the inner side calibration lug seat (20) and the outer side calibration lug seat (18) are oppositely arranged, the horizontal elastic calibration tray assembly (3) is arranged at the bottom of the through groove (4), and the bottom surface of the horizontal elastic calibration tray assembly (3) is connected with the bottom surface of the through groove (4) through a spring;
at least two calibration stations are arranged on the calibration base along the axis direction of the through groove (4), each calibration station comprises a calibration support (8), a reference check ruler (7) and a calibration bolt, each calibration bolt comprises a first calibration bolt (11), a second calibration bolt (14) and a third calibration bolt (16), the calibration supports (8) are vertically and upwards arranged above the horizontal elastic calibration tray assembly (3), each calibration station comprises two coaxially arranged calibration supports (8), the two calibration supports (8) are arranged at the head end and the tail end of each calibration station, the upper part of each calibration support (8) is provided with a through hole (9) for installing a rod with equal diameter, the axis direction of the through hole (9) is parallel to the axis direction of the through groove (4), and a cross-shaped scratch (10) is arranged on the side wall of each calibration support (8) and below the through hole (9), a reference check ruler (7) guide hole (5) is formed in the vertical calibration base (2) corresponding to each calibration support (8), one end of the reference check ruler (7) penetrates through the reference check ruler (7) guide hole (5) and extends to the upper side of the through groove (4), the other end of the reference check ruler (7) extends to the outside of the vertical calibration base (2), a reference check ruler (7) fastening nut (6) is arranged on the outer end portion of the reference check ruler (7), the reference check ruler (7) fastening nut (6) is fixedly connected with the side wall of the vertical calibration base (2), and scales are arranged on the reference check ruler (7); a first calibration bolt guide hole (13) is arranged on the outer side calibration lug seat (18) along the vertical direction, a third calibration bolt guide hole (17) is arranged on the outer side calibration lug seat (18) along the horizontal direction, the axis of the first calibration bolt guide hole (13) is perpendicular to the axis of the third calibration bolt guide hole (17) in the different plane, a second calibration bolt guide hole (15) is arranged on the inner side calibration lug seat (20) along the vertical direction, the second calibration bolt guide hole (15) and the first calibration bolt guide hole (13) are symmetrically arranged relative to the axis direction of the through groove (4), calibration nuts (12) with the same diameter as the corresponding guide holes are fixedly arranged on the outer side surfaces of the first calibration bolt guide hole (13), the second calibration bolt guide hole (15) and the third calibration bolt guide hole (17), and the first calibration bolt (11) is vertically and downwards arranged in the first calibration bolt guide hole (13), the second calibration bolt (14) is vertically installed downwards in the second calibration bolt guide hole (15), the end portions of the first calibration bolt (11) and the second calibration bolt (14) compress the horizontal elastic calibration tray assembly (3), the third calibration bolt (16) is horizontally installed backwards in the third calibration bolt guide hole (17), the end portion of the third calibration bolt (16) compresses the front side wall of the calibration support (8), the vertical elastic calibration tray assembly (19) is also horizontally arranged forwards on the front surface of the inner side calibration lug seat (20) corresponding to each calibration support (8) through a spring, and the front end face of the vertical elastic calibration tray assembly (19) compresses the rear side wall of the calibration support (8).
2. A coaxial alignment device for a constant diameter rod, according to claim 1, wherein: the calibration base is arranged in an L shape, and the horizontal calibration base (1) and the vertical calibration base (2) are integrally formed.
3. A coaxial alignment device for a constant diameter rod, according to claim 1, wherein: the distance between the vertical surface of the axis of the third calibration bolt (16) and the vertical surface of the axis of the guide hole (5) of the reference check ruler (7) is as follows: the sum of the nominal diameter of the third calibration bolt (16) and the diameter of the guide hole (5) of the reference check ruler (7) is 2 times.
4. A coaxial alignment device for a constant diameter rod, according to claim 1, wherein: six springs are evenly distributed between the bottom surface of the horizontal elastic calibration tray assembly (3) and the bottom surface of the through groove (4), and four springs are evenly distributed between the rear end surface of the vertical elastic calibration tray assembly and the inner side calibration lug seat (20) and the front surface of the inner side calibration lug seat (20).
5. A coaxial alignment device for a constant diameter rod, according to claim 1, wherein: the distance between the cross-shaped scratch (10) and the side wall of the through hole (9) is equal to the length of the diameter of the through hole (9).
6. A coaxial alignment device for a constant diameter rod, according to claim 1, wherein: benchmark check-up chi (7) set up to the cylinder, and benchmark check-up chi (7) are provided with the screw thread on being close to the lateral wall of vertical calibration base (2) one side, and the scale sets up in the middle part of benchmark check-up chi (7) and extends to being close to calibration support (8) one side to zero scale mark sets up in the middle part one side of benchmark check-up chi (7).
7. A coaxial alignment device for a constant diameter rod according to claim 1 or 6, wherein: the accuracy of the scale is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326815.3A CN109483217B (en) | 2018-11-08 | 2018-11-08 | Coaxial calibrating device of equal diameter pole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326815.3A CN109483217B (en) | 2018-11-08 | 2018-11-08 | Coaxial calibrating device of equal diameter pole |
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| Publication Number | Publication Date |
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| CN109483217A CN109483217A (en) | 2019-03-19 |
| CN109483217B true CN109483217B (en) | 2020-11-24 |
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| CN201811326815.3A Expired - Fee Related CN109483217B (en) | 2018-11-08 | 2018-11-08 | Coaxial calibrating device of equal diameter pole |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281884A (en) * | 1992-06-03 | 1994-01-25 | At&T Bell Laboratories | Adjustable X-Y stage |
| CN201497634U (en) * | 2009-05-25 | 2010-06-02 | 浙江吉利汽车研究院有限公司 | Engine connecting rod parallelism and torsion resistance universal tester |
| CN204747531U (en) * | 2015-06-26 | 2015-11-11 | 安徽创弘精密机械有限公司 | Axiality measuring apparatus is used in numerical control lathe processing |
| CN204924090U (en) * | 2015-09-01 | 2015-12-30 | 湖南五凌电力工程有限公司 | Centering device |
| CN206527513U (en) * | 2017-02-24 | 2017-09-29 | 安徽方圆机电股份有限公司 | A kind of many axle beds of long span are co-axially mounted calibration apparatus |
| CN106705817A (en) * | 2017-03-09 | 2017-05-24 | 安徽华茂纺织股份有限公司 | Spinning and carding machine doffer dynamic balancer coaxiality checking apparatus and application method thereof |
| CN207797966U (en) * | 2017-12-28 | 2018-08-31 | 重庆臻展热处理有限公司 | Cubing for surveying workpiece cylindricity |
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