CN114279368A - Coaxiality device capable of being calibrated in two directions - Google Patents
Coaxiality device capable of being calibrated in two directions Download PDFInfo
- Publication number
- CN114279368A CN114279368A CN202111509506.1A CN202111509506A CN114279368A CN 114279368 A CN114279368 A CN 114279368A CN 202111509506 A CN202111509506 A CN 202111509506A CN 114279368 A CN114279368 A CN 114279368A
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- shaft
- coaxiality
- inspection pin
- process shaft
- flange plate
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- 238000000034 method Methods 0.000 claims abstract description 105
- 238000007689 inspection Methods 0.000 claims abstract description 55
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a coaxiality device capable of being calibrated in two directions, which comprises a process shaft base, a process shaft, a stop block, an axis of an inspection pin, the inspection pin and a process flange plate, wherein a boss is arranged at one end of the process shaft, a conical shaft tip is arranged at one end of the process shaft, the process shaft is arranged in a stop block hole and slides in the stop block hole, the stop block is fixed on the process shaft base, and the connecting part of the process shaft base and a first measured object is of a flange plate structure so as to be conveniently and uniformly distributed and connected in the circumferential direction; the process flange plate is provided with a central hole, the inspection pin is placed in the central hole, is in precision fit and can slide in the central hole in the process flange plate, the inspection pin is fixed on the process flange plate after the position of the inspection pin is determined, and the top end of the inspection pin is provided with an axis; the connecting part of the process flange and the second tested object is also in a flange structure; the process shaft is pushed to be close to the axis of the inspection pin, the objects to be measured at two ends are rotated, the shaft tip of the process shaft rotates along with the objects to be measured, the shaft tip is in the circle of the axis of the inspection pin, and the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met.
Description
Technical Field
The invention relates to a coaxiality device capable of being calibrated in two directions, in particular to a coaxiality device capable of being calibrated in two directions for a helicopter or other vehicles.
Background
At present, an optical microscope is adopted for checking the coaxiality of a first tested object and a second tested object of a helicopter at home and abroad. According to the coaxiality inspection schematic diagram of the helicopter in the prior art, an optical microscope needs to be fixed on a helicopter body structure through a tool according to the assembly environment of an object to be detected, so that an accessory of an interference part on the helicopter is often required to be detached, and a light source needs to be provided during outfield operation, so that the workload is increased, and the period is longer; the fixture is fixed with errors, which easily causes inaccurate data.
Disclosure of Invention
The purpose of the invention is: the coaxiality device which has a simple structure and can effectively check the coaxiality of the first measured object and the second measured object and can be calibrated in two directions is provided.
The technical scheme of the invention is as follows: a coaxiality device capable of being calibrated in two directions comprises a process shaft base, a process shaft, a stop block, an axis of the check pin, the check pin and a process flange plate, wherein a boss is arranged at one end of the process shaft, a conical shaft tip is arranged at one end of the process shaft, the process shaft is arranged in a stop block hole and slides in the stop block hole, the stop block is fixed on the process shaft base, and the connecting part of the process shaft base and a first measured object is of a flange plate structure so as to be conveniently and uniformly distributed and circumferentially; the process flange plate is provided with a central hole, the inspection pin is placed in the central hole, is in precision fit and can slide in the central hole in the process flange plate, the inspection pin is fixed on the process flange plate after the position of the inspection pin is determined, and the top end of the inspection pin is provided with an axis; the connecting part of the process flange and the second tested object is also in a flange structure, so that the process flange and the second tested object are conveniently and uniformly connected in the circumferential direction; under the action of manual external force, the process shaft is pushed to be close to the axis of the inspection pin, the objects to be measured at two ends are rotated, the tip of the process shaft rotates along with the process shaft, the tip of the process shaft is in the circle of the axis of the inspection pin, and the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met.
Preferably, the inspection device can be reversely mounted, the process shaft base is connected with the second object to be inspected, the process flange plate is connected with the first object to be inspected, the objects to be inspected on two sides are rotated, the conical shaft tip of the process shaft is arranged in the circle of the axis of the inspection pin, the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met, and therefore the inspection of the coaxiality of the object to be inspected and the object to be inspected in a bidirectional calibration mode is effectively achieved.
Preferably, the stop block is fixed on the process shaft base through a first tightening nut.
Preferably, the process shaft is provided with a mounting hole matched with the limit screw, so that the process shaft is prevented from being separated from the stop block in the sliding process.
Preferably, the process shaft base is provided with a first nut screwing hole, and the stop block is fixed by screwing the nut.
Preferably, one end of the process shaft is provided with a boss, the other end of the process shaft is provided with a conical shaft tip, and the process shaft slides in the central hole of the stop block.
Preferably, the process flange is connected with the measured object through a flange, a hole for screwing the nut is formed in the process flange, and the inspection pin is fixed through screwing the nut.
Preferably, one end of the inspection pin is cylindrical, the length of the inspection pin is adjustable, the top end of the inspection pin is provided with an axis, and the size of the axis can be set.
Preferably, the process shaft base and the process shaft can be connected with the first measured object and the second measured object through flanges.
The bi-directionally calibratable coaxiality device is a bi-directionally calibratable coaxiality device of a helicopter or a bi-directionally calibratable coaxiality device of other vehicles.
The invention has the advantages that: the coaxiality device capable of bidirectional calibration rotates a first measured object through external force, the conical shaft tip of the process shaft synchronously rotates with the first measured object, whether the conical shaft tip of the process shaft rotates in a circle of the center of an inspection pin shaft or not can be visually inspected, the inspection pin is fixed on a second measured object, and the installation and the inspection are carried out in reverse in the same way, so that the bidirectional coaxiality inspection of the first measured object and the second measured object is realized; the object to be detected is connected with the structure through the connecting flange, and three connecting points are arranged, so that the coaxiality of the process shaft and the object to be detected can be effectively ensured; in the detection process, the left and right process shafts can be adjusted, one end of the object to be detected, which is convenient to adjust, can be adaptively selected to be adjusted according to the actual installation environment of the object to be detected, and the other end of the object to be detected is used as an alignment detection reference.
Drawings
FIG. 1 is a schematic structural diagram of a bi-directionally alignable coaxiality apparatus of the present invention;
fig. 2 is a schematic view of a flange structure connected to a first object under test and a second object under test according to the present invention;
FIG. 3 is a schematic view of a prior art helicopter coaxiality optical microscopy;
the device comprises a first measured object 1, a process shaft base 2, a process shaft 3, a stop block 4, a first screwing nut 5, a limiting screw 6, an inspection pin 7, an inspection pin 8, a second screwing nut 9, a process flange plate 10 and a second measured object 11.
Detailed Description
The invention is described in detail below with reference to the drawings; see figures 1-3; the invention relates to a coaxiality device capable of being calibrated in two directions, which comprises the following components in test: the device comprises a first measured object 1, a process shaft base 2, a process shaft 3, a stop block 4, a first screwing nut 5, a limit screw 6, an inspection pin shaft center 7, an inspection pin 8, a second screwing nut 9, a process flange plate 10 and a second measured object 11; the two tested objects do not belong to the invention content; the invention particularly relates to a coaxiality device capable of being calibrated bidirectionally for a helicopter. Specifically, the coaxiality device capable of being calibrated in two directions comprises a process shaft base, a process shaft, a stop block, a first screwing nut, a limit screw, an axis of an inspection pin, a second screwing nut and a process flange plate, wherein a boss is arranged at one end of the process shaft, a conical shaft tip is arranged at one end of the process shaft, a hole for mounting the limit screw is formed in the shaft, the process shaft is arranged in the stop block hole and slides in the stop block hole, the stop block is fixed on the process shaft base through the first screwing nut, and a connecting part of the process shaft base and a first measured object is of a flange plate structure so as to be conveniently and uniformly distributed in the circumferential direction; the process flange plate is provided with a central hole, the inspection pin is placed in the central hole, is precisely matched and can slide in the central hole in the process flange plate, the inspection pin is fixed through a second tightening nut on the process flange plate after being positioned, the top end of the inspection pin is provided with an axis, the size of the axis can be set, and the connecting part of the process flange plate and a second measured object is of a flange plate structure and is convenient to circumferentially and uniformly connect. Under the action of manual external force, the process shaft is pushed to be close to the axis of the inspection pin, the first tested object is rotated, the conical shaft tip of the process shaft rotates along with the process shaft, the shaft tip is positioned in the circle of the axis of the inspection pin, and the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met; in a similar way, the process shaft base is installed in reverse, the process shaft base is connected with the second tested object, the process flange plate is connected with the first tested object, the second tested object is rotated, the conical shaft tip of the process shaft is arranged in the circle of the center of the inspection pin, the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met, and therefore the two-way calibration coaxiality inspection of the first tested object and the second tested object is effectively achieved.
The technical shaft base is connected with a first measured object through a flange plate, a first nut screwing hole is formed in the technical shaft base, a stop block is fixed through the first nut screwing, a boss is arranged at one end of the technical shaft, a conical shaft tip is arranged at one end of the technical shaft, and the technical shaft slides in the stop block center hole.
The process flange plate is connected with a second tested object through the flange plate, a hole for screwing a nut is formed in the process flange plate, the inspection pin is fixed through the second screwing nut, one end of the inspection pin is cylindrical, the length of the inspection pin is adjustable, an axis is arranged at the top end of the inspection pin, and the size of the axis can be set.
The process shaft base and the process shaft can be connected with the first measured object and the second measured object through the flange plates.
The bi-directionally calibratable coaxiality device is a bi-directionally calibratable coaxiality device of a helicopter or a bi-directionally calibratable coaxiality device of other vehicles.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A coaxiality device capable of being calibrated in two directions is characterized by comprising a process shaft base, a process shaft, a stop block, an axis of an inspection pin, the inspection pin and a process flange plate, wherein a boss is arranged at one end of the process shaft, a conical shaft tip is arranged at one end of the process shaft, the process shaft is arranged in a stop block hole and slides in the stop block hole, the stop block is fixed on the process shaft base, and a connecting part of the process shaft base and a first measured object is of a flange plate structure so as to be conveniently and uniformly distributed and connected in the circumferential direction; the process flange plate is provided with a central hole, the inspection pin is placed in the central hole, is in precision fit and can slide in the central hole in the process flange plate, the inspection pin is fixed on the process flange plate after the position of the inspection pin is determined, and the top end of the inspection pin is provided with an axis; the connecting part of the process flange and the second tested object is also in a flange structure, so that the process flange and the second tested object are conveniently and uniformly connected in the circumferential direction; under the action of manual external force, the process shaft is pushed to be close to the axis of the inspection pin, the objects to be measured at two ends are rotated, the tip of the process shaft rotates along with the process shaft, the tip of the process shaft is in the circle of the axis of the inspection pin, and the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met.
2. The coaxiality device capable of being calibrated bidirectionally of claim 1, wherein the inspection device can be reversely mounted, the process shaft base is connected with the second object to be tested, the process flange plate is connected with the first object to be tested, the objects to be tested on two sides are rotated, the conical shaft tip of the process shaft is positioned in the circle of the center of the inspection pin, the coaxiality meets the requirement, otherwise, the coaxiality requirement is not met, and therefore the coaxiality inspection of the objects to be tested and the objects to be tested can be effectively realized.
3. The bi-directionally alignable coaxiality apparatus of claim 1, wherein said stop is secured to the base of the process shaft by a first threaded nut.
4. The bi-directionally alignable coaxiality apparatus of claim 1, wherein said tooling shaft is provided with mounting holes for engaging a set screw to prevent disengagement from a stop during sliding.
5. The bi-directionally alignable coaxiality apparatus of claim 1, wherein said process shaft base has a first nut-tightening bore for securing said stop by tightening said nut.
6. The bidirectionally-alignable coaxiality apparatus of claim 1, wherein said process shaft has a boss at one end and a tapered tip at one end.
7. The bi-directionally alignable coaxiality apparatus of claim 1, wherein the process flange is connected to the object to be measured by a flange, the process flange having a hole for tightening the nut, the inspection pin being fixed by tightening the nut.
8. The bi-directionally alignable coaxiality apparatus of claim 7, wherein the inspection pin is cylindrical at one end and adjustable in length, and has a tapered axial center at its top end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509506.1A CN114279368B (en) | 2021-12-10 | 2021-12-10 | Coaxiality device capable of being calibrated bidirectionally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509506.1A CN114279368B (en) | 2021-12-10 | 2021-12-10 | Coaxiality device capable of being calibrated bidirectionally |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114279368A true CN114279368A (en) | 2022-04-05 |
| CN114279368B CN114279368B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111509506.1A Active CN114279368B (en) | 2021-12-10 | 2021-12-10 | Coaxiality device capable of being calibrated bidirectionally |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO107312B1 (en) * | 1990-02-12 | 1993-10-29 | Utilaj Minier De | Measuring apparatus for the deviation from the coaxiality |
| JP2005345195A (en) * | 2004-06-01 | 2005-12-15 | Denso Corp | Coaxiality measuring device |
| CN101750006A (en) * | 2009-12-25 | 2010-06-23 | 重庆大学 | Error detection device for hourglass worm |
| CN102175140A (en) * | 2011-03-01 | 2011-09-07 | 西安交通大学 | System and method for measuring shaft system misalignment based on eddy current sensor |
| CN203798568U (en) * | 2014-03-18 | 2014-08-27 | 上海艾铭思汽车控制系统有限公司 | Alignment detection device for engine and dynamometer |
| CN105043306A (en) * | 2015-06-09 | 2015-11-11 | 新昌县亿源精密机械有限公司 | Coaxiality detection apparatus |
| US10641621B1 (en) * | 2019-04-29 | 2020-05-05 | Citic Dicastal Co., Ltd. | Automatic wheel detecting device |
| CN210664376U (en) * | 2019-11-25 | 2020-06-02 | 中石化四机石油机械有限公司 | Coaxiality measuring device for large-span shaft hole type components |
| CN215003385U (en) * | 2021-06-02 | 2021-12-03 | 浙江恒星传动科技有限公司 | Utensil is examined to hole formula input shaft hole and excircle coaxiality |
-
2021
- 2021-12-10 CN CN202111509506.1A patent/CN114279368B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO107312B1 (en) * | 1990-02-12 | 1993-10-29 | Utilaj Minier De | Measuring apparatus for the deviation from the coaxiality |
| JP2005345195A (en) * | 2004-06-01 | 2005-12-15 | Denso Corp | Coaxiality measuring device |
| CN101750006A (en) * | 2009-12-25 | 2010-06-23 | 重庆大学 | Error detection device for hourglass worm |
| CN102175140A (en) * | 2011-03-01 | 2011-09-07 | 西安交通大学 | System and method for measuring shaft system misalignment based on eddy current sensor |
| CN203798568U (en) * | 2014-03-18 | 2014-08-27 | 上海艾铭思汽车控制系统有限公司 | Alignment detection device for engine and dynamometer |
| CN105043306A (en) * | 2015-06-09 | 2015-11-11 | 新昌县亿源精密机械有限公司 | Coaxiality detection apparatus |
| US10641621B1 (en) * | 2019-04-29 | 2020-05-05 | Citic Dicastal Co., Ltd. | Automatic wheel detecting device |
| CN210664376U (en) * | 2019-11-25 | 2020-06-02 | 中石化四机石油机械有限公司 | Coaxiality measuring device for large-span shaft hole type components |
| CN215003385U (en) * | 2021-06-02 | 2021-12-03 | 浙江恒星传动科技有限公司 | Utensil is examined to hole formula input shaft hole and excircle coaxiality |
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|---|---|
| CN114279368B (en) | 2024-07-02 |
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