CN113063387A - Flywheel casing axiality measuring device - Google Patents
Flywheel casing axiality measuring device Download PDFInfo
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- CN113063387A CN113063387A CN202110310645.5A CN202110310645A CN113063387A CN 113063387 A CN113063387 A CN 113063387A CN 202110310645 A CN202110310645 A CN 202110310645A CN 113063387 A CN113063387 A CN 113063387A
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- fixed
- sensor
- sliding block
- sensor frame
- flywheel
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a flywheel housing coaxiality measuring device which comprises a crankshaft rotating assembly and a measuring assembly, wherein the crankshaft rotating assembly is arranged on a flywheel housing starting motor mounting seat, and the measuring assembly is fixed on a flywheel housing; the crankshaft rotating assembly comprises a driving motor, a connecting seat and an output gear, and the driving motor is driven to drive the output gear to rotate so as to enable the crankshaft to rotate synchronously; the measuring assembly comprises a mounting substrate, a sliding block, a sensor frame, a sensor mounting seat and a sensor. The invention has the advantages that the measuring device not only reduces the labor intensity, but also ensures the uniform rotation of the flywheel shells, improves the measuring precision of the measuring component, greatly improves the measuring precision of the device compared with the manual observation dial indicator through the automatic reading and measurement of the sensor, and in addition, the measuring component can realize the coaxiality measurement of the flywheel shells of different models because the sensor frame can be movably fixed on the sliding block, thus having strong applicability.
Description
Technical Field
The invention relates to the technical field of flywheel shells, in particular to a device for measuring the coaxiality of a flywheel shell.
Background
The flywheel housing is an important component of the engine, the coaxiality of the flywheel housing and the crankshaft is an important parameter for assembling the engine, and effective monitoring of the coaxiality is the only way for ensuring the quality of the engine. For example, chinese utility model patent publication No. CN207923040U discloses an engine flywheel casing coaxiality testing fixture for improving efficiency and accuracy of flywheel casing coaxiality testing. At present, the majority of the existing measurement technologies for the coaxiality of a flywheel housing and a crankshaft are measured by a dial indicator, and the implementation process is as follows: the dial indicator seat is positioned at a certain position of the end face of the crankshaft, the length of the dial indicator seat arm is adjusted, the dial indicator probe is abutted against the spigot of the flywheel shell to be calibrated to zero, then the crankshaft is manually rotated for a circle, meanwhile, the maximum value and the minimum value in the measuring process of the dial indicator are manually read, and the difference between the maximum value and the minimum value is the coaxiality of the flywheel shell and the crankshaft.
But when using the percentage table device to carry out the axiality test, need two people's cooperations just can accomplish, use the dish to move the bent axle alone, observe the percentage table reading alone, the operation is complicated and intensity of labour is big to artifical reading, measuring error is big.
Disclosure of Invention
The invention aims to solve the technical problem of how to reduce labor intensity and improve measurement accuracy.
In order to solve the technical problems, the invention provides the following technical scheme:
a flywheel housing coaxiality measuring device comprises a crankshaft rotating assembly and a measuring assembly, wherein the crankshaft rotating assembly is installed on a flywheel housing starting motor installation seat, and the measuring assembly is fixed on a flywheel housing.
The crankshaft rotating assembly comprises a driving motor, a connecting seat and an output gear, the connecting seat capable of being connected with the mounting seat is sleeved on the output end of the driving motor, the output gear matched with the crankshaft gear is fixed at the end part of the output end of the driving motor and drives the driving motor to drive the output gear to rotate so as to enable the crankshaft to rotate synchronously.
The measuring component comprises a mounting substrate, a sliding block, a sensor frame, a sensor mounting seat and a sensor, wherein the mounting substrate is fixed on the flywheel shell, one end, away from the flywheel shell, of the mounting substrate is fixed to the sliding block, the sensor frame capable of moving is fixed to the two ends of the sliding block, the sensor frame is internally hollow, the sensor mounting seat is fixed inside the sensor frame, and the sensor of the directional flywheel shell is fixed to the sensor mounting seat.
This measuring device passes through the setting of bent axle rotating assembly, original artifical procedure of rotating the bent axle has been replaced, not only reduce intensity of labour, and driving motor's slew velocity is even, the even rotation of bell housing has been guaranteed, measuring unit's measurement accuracy is improved, and the automatic reading through the sensor is measured, for artifical observation percentage table the device measurement accuracy improves greatly, in addition, because fixing that the sensor frame can remove is on the slider, make the interval between two sensors can change, and then make measuring unit can realize measuring the axiality to different model bell housings, therefore, the suitability is strong.
Preferably, the output end of the driving motor is further provided with a speed reducer.
Preferably, a suspension rod is further fixed on the driving motor.
Preferably, a handle is further fixed on the suspension rod.
Preferably, the slider is fixed to the mounting substrate by a clamping block.
Preferably, the clamping block comprises an upper clamping block and a lower clamping block, the upper clamping block is fixed on one side, away from the flywheel housing, of the mounting base, the lower clamping block is fixed on one end, away from the mounting base, of the upper clamping block, an upper groove and a lower groove are respectively formed in the end face, connected with the upper clamping block, of the lower clamping block, and the upper groove and the lower groove are combined to form a through hole through which the sliding block can penetrate.
Preferably, the sliding block is fixed on the groove bottom of the upper groove through a screw.
Preferably, one end of the sensor frame, which is close to the slider, is provided with a slide hole, and a clamping structure for fixing the slider is fixed on the sensor frame on the side surface of the slide hole.
Preferably, waist shape hole has been seted up on the sensor frame of slide opening side, the side that the slider is close to waist shape hole is equipped with the screw hole, press from both sides tight structure and include bolt, clamp handle and press from both sides tight piece, a bolt tip fixed clamp handle, another tip runs through waist shape hole and screw hole screw-thread fit, still fix on the bolt between tight handle and the sensor frame press from both sides tight piece, rotate press from both sides tight handle, cause press from both sides tight piece and compress tightly the sensor frame.
Through the setting of clamping structure, realize the sensor frame fixed on the slider different positions for the interval between two sensors can change.
Preferably, one end of the sensor frame, which is close to the sliding block, is further provided with a pin hole, and the side surface of the sliding block, which is close to the pin hole, is provided with a plurality of positioning holes.
Through the locating pin pass through the round pin and correspond the cooperation with the locating hole of different positions for the different positions on the slider can be fixed to the sensor frame, thereby adapt to the axiality measurement of different model bell housings, in addition, through the setting of locating pin, realize the coarse positioning of sensor frame, then the rethread presss from both sides tight structure and realizes fixing completely to the sensor frame.
Compared with the prior art, the invention has the beneficial effects that:
1. this measuring device passes through the setting of bent axle rotating assembly, original artifical procedure of rotating the bent axle has been replaced, not only reduce intensity of labour, and driving motor's slew velocity is even, the even rotation of bell housing has been guaranteed, measuring unit's measurement accuracy is improved, and the automatic reading through the sensor is measured, for artifical observation percentage table the device measurement accuracy improves greatly, in addition, because fixing that the sensor frame can remove is on the slider, make the interval between two sensors can change, and then make measuring unit can realize measuring the axiality to different model bell housings, therefore, the suitability is strong.
2. Through the setting of clamping structure, realize the sensor frame fixed on the slider different positions for the interval between two sensors can change.
3. Through the locating pin pass through the round pin and correspond the cooperation with the locating hole of different positions for the different positions on the slider can be fixed to the sensor frame, thereby adapt to the axiality measurement of different model bell housings, in addition, through the setting of locating pin, realize the coarse positioning of sensor frame, then the rethread presss from both sides tight structure and realizes fixing completely to the sensor frame.
Drawings
FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a crankshaft rotating assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a measurement assembly according to an embodiment of the present invention;
FIG. 4 is a top view of a measurement assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a clamping block according to an embodiment of the present invention;
FIG. 6 is a front view of a slider according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a sensor frame according to an embodiment of the invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the embodiment discloses a flywheel housing coaxiality measuring device, which comprises a crankshaft rotating assembly 1 installed on a flywheel housing 3 starting motor installation seat and a measuring assembly 2 fixed on the flywheel housing 3.
Referring to fig. 2, the crankshaft rotating assembly 1 includes a driving motor 11, a speed reducer 12, a connecting seat 13 and an output gear 14, the output end of the driving motor is connected to the speed reducer 12, the output end of the speed reducer 12 is sleeved with the connecting seat 13 capable of being connected to the mounting seat, the output end of the speed reducer 12 is fixed to the output gear 14 matched with the crankshaft gear, and the driving motor 11 is driven to drive the output gear 14 to rotate so as to enable the crankshaft to rotate synchronously.
Furthermore, a hanging rod 15 is further fixed on the driving motor 11, and a handle 16 is further fixed on the hanging rod 15, so that the crankshaft rotating assembly 1 is convenient to transport, disassemble and assemble.
Referring to fig. 3 and 4, the measuring assembly 2 includes a mounting substrate 21, a clamping block 22, a sliding block 23, a sensor frame 24, a sensor mounting seat 25 and a sensor 26, the mounting substrate 21 is fixed on the flywheel housing 3 through screws, one end of the mounting substrate 21, which is far away from the flywheel housing 3, is fixed to the sliding block 23 through the clamping block 22, the two ends of the sliding block 23 are both fixed with the movable sensor frame 24, the sensor frame 24 is internally hollow, the sensor mounting seat 25 is fixed to the inside of the sensor frame 24, and the sensor 26 pointing to the flywheel housing 3 is fixed to the sensor mounting seat 25. Specifically, the driving motor 11 is driven to drive the output gear 14 to rotate so as to enable the crankshaft to rotate synchronously, and then the end face runout and the coaxiality of the flywheel housing 3 are measured through the sensor 26 in the sensor frame 24.
This measuring device passes through the setting of bent axle rotating assembly 1, original artifical procedure of rotating the bent axle has been replaced, not only reduce intensity of labour, and driving motor 11's slew velocity is even, the even rotation of bell housing 3 has been guaranteed, improve measuring component 2's measurement accuracy, and the automatic reading through sensor 26 is measured, improve greatly for artifical observation percentage table the device measurement accuracy, in addition, because fixing that sensor frame 24 can remove is on slider 23, make the interval between two sensors 26 can change, and then make measuring component 2 can realize measuring different model bell housing 3's axiality, therefore, the suitability is strong.
Referring to fig. 5, the clamping block 22 includes an upper clamping block 221 and a lower clamping block 222, the upper clamping block 221 is fixed on one side of the mounting base 21 away from the flywheel housing 3 by screws, the lower clamping block 222 is fixed on one end of the upper clamping block 221 away from the mounting base 21 by screws, an upper groove 2211 and a lower groove 2221 are respectively formed on the end surfaces of the upper clamping block 221 and the lower clamping block 222, the upper groove 2211 and the lower groove 2221 are combined to form a through hole through which the slider 23 can pass, specifically, the upper clamping block 221 is fixed on the mounting base 21, the slider 23 is fixed on the bottom of the upper groove 2211 by screws, and finally the lower clamping block 222 is fixed on the upper clamping block 221, and the lower groove 2221 can clamp a portion of the slider 23 that is not clamped by the upper groove 2211, thereby further ensuring that the slider 23 can be stably fixed on the clamping block 22.
Referring to fig. 4, 6 and 7, a sliding hole 241 is opened at one end of the sensor frame 24 close to the slider 23, and a clamping structure 27 for fixing the slider 23 is fixed on the sensor frame 24 at the side of the sliding hole 241.
The sensor frame 24 on the side of the sliding hole 241 is provided with a waist-shaped hole 242, the side of the slider 23 close to the waist-shaped hole 242 is provided with a threaded hole 231, the clamping structure 27 comprises a bolt 271, a clamping handle 272 and a clamping piece 273, one end of the bolt 271 is fixedly provided with the clamping handle 272, the other end of the bolt runs through the waist-shaped hole 242 and is in threaded fit with the threaded hole 231 on the slider 23, the clamping piece 273 is further fixed on the bolt 271 between the clamping handle 272 and the outer side of the sensor frame 24, the clamping handle 272 is rotated to cause the clamping piece 273 to press the sensor frame 24, the fixing of the sensor frame 24 on different positions of the slider 23 is realized, the distance between the two sensors 26 can be changed, and further the measuring component 2 can realize the coaxiality measurement of flywheel shells 3 of different models, and.
Further, a pin hole 243 is further formed in the side face, close to the slider 23, of one end of the sensor frame 24, a plurality of positioning holes 232 are formed in the side face, close to the pin hole 243, of the slider 23, specifically, positioning pins (not marked in the figures) penetrate through the pin holes 232 to be matched with the positioning holes 243 in different positions correspondingly, it is shown that the sensor frame 24 is fixed at different positions on the slider 23, so that the coaxiality measurement of flywheel housings 3 of different models is adapted, in addition, the coarse positioning of the sensor frame 24 is realized through the arrangement of the positioning pins, and then the sensor frame 24 is completely fixed through the clamping structure 27.
Still further, one side of the mounting base 21 far away from the flywheel housing 3 is also fixed with a handle, which is convenient for taking the measuring component 2.
The working principle of the embodiment is as follows: firstly, the connecting seat 13 and the flywheel housing 3 are started on the motor mounting seat, and simultaneously the upper clamping block 221 is fixed on the mounting base 21, then the sliding block 23 is fixed on the groove bottom of the upper groove 2211 by screws, finally the lower clamping block 222 is fixed on the upper clamping block 221, meanwhile, the lower groove 2221 can clamp the part of the sliding block 23 which is not clamped by the upper groove 2211, so that the sliding block 23 can be further ensured to be stably fixed on the clamping block 22, then, according to the model of the flywheel housing 3, the sensor frame 24 is moved to enable the two sensors 25 to meet the measurement distance and then correspondingly match with the positioning holes 243 through the positioning pins penetrating through the pin holes 232, so as to realize the coarse positioning of the sensor frame 24, then the clamping handle 272 is rotated to enable the clamping piece 273 to press the sensor frame 24, and then the sensor frame 24 is fixed on the sliding block 23, the mounting base 21 is fixed on the flywheel housing 3, and finally the measuring assembly 2 is fixed on the flywheel housing 3. During measurement, the driving motor 11 is firstly driven to drive the output gear 14 to rotate so as to enable the crankshaft to synchronously rotate, and then the end face runout and the coaxiality of the flywheel housing 3 are measured through the sensor 26 in the sensor frame 24.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a bell housing axiality measuring device which characterized in that: the device comprises a crankshaft rotating assembly arranged on a flywheel shell starting motor mounting seat and a measuring assembly fixed on a flywheel shell;
the crankshaft rotating assembly comprises a driving motor, a connecting seat and an output gear, the connecting seat capable of being connected with the mounting seat is sleeved on the output end of the driving motor, the output gear matched with the crankshaft gear is fixed at the end part of the output end of the driving motor, and the driving motor is driven to drive the output gear to rotate so as to enable the crankshaft to rotate synchronously;
the measuring component comprises a mounting substrate, a sliding block, a sensor frame, a sensor mounting seat and a sensor, wherein the mounting substrate is fixed on the flywheel shell, one end, away from the flywheel shell, of the mounting substrate is fixed to the sliding block, the sensor frame capable of moving is fixed to the two ends of the sliding block, the sensor frame is internally hollow, the sensor mounting seat is fixed inside the sensor frame, and the sensor of the directional flywheel shell is fixed to the sensor mounting seat.
2. The flywheel housing coaxiality measuring device according to claim 1, wherein: and the output end of the driving motor is also provided with a speed reducer.
3. The flywheel housing coaxiality measuring device according to claim 1, wherein: and a hanging rod is also fixed on the driving motor.
4. A flywheel housing coaxiality measuring apparatus according to claim 3, wherein: the hanging rod is also fixed with a handle.
5. The flywheel housing coaxiality measuring device according to claim 1, wherein: the sliding block is fixed on the mounting substrate through the clamping block.
6. The flywheel housing coaxiality measuring device according to claim 5, wherein: the clamping block comprises an upper clamping block and a lower clamping block, the upper clamping block is fixed on one side, far away from the flywheel shell, of the mounting base, the lower clamping block is fixed on one end, far away from the mounting base, of the upper clamping block, an upper groove and a lower groove are formed in the end face, connected with the upper clamping block and the lower clamping block, of the clamping block respectively, and the upper groove and the lower groove are combined to form a through hole through which the sliding block can penetrate.
7. The flywheel housing coaxiality measuring device according to claim 6, wherein: the sliding block is fixed at the bottom of the upper groove through a screw.
8. The flywheel housing coaxiality measuring device according to claim 1, wherein: a sliding hole is formed in one end, close to the sliding block, of the sensor frame, and a clamping structure for fixing the sliding block is fixed on the sensor frame on the side face of the sliding hole.
9. The flywheel housing coaxiality measuring device according to claim 8, wherein: waist shape hole has been seted up on the sensor frame of slide opening side, the side that the slider is close to waist shape hole is equipped with the screw hole, press from both sides tight structure and include the bolt, press from both sides tight handle and press from both sides tight piece, a bolt tip fixed clamp is tight handle, and another tip runs through waist shape hole and screw hole screw-thread fit, still fix on the bolt between tight handle and the sensor frame press from both sides tight piece, rotate press from both sides tight handle, cause press from both sides tight piece and compress tightly the sensor frame.
10. The flywheel housing coaxiality measuring device according to claim 8, wherein: the sensor frame is provided with a sliding block, a plurality of positioning holes are formed in the side face, close to the sliding block, of the sliding block, and a pin hole is formed in one end, close to the sliding block, of the sensor frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310645.5A CN113063387A (en) | 2021-03-23 | 2021-03-23 | Flywheel casing axiality measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310645.5A CN113063387A (en) | 2021-03-23 | 2021-03-23 | Flywheel casing axiality measuring device |
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| Publication Number | Publication Date |
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| CN113063387A true CN113063387A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110310645.5A Pending CN113063387A (en) | 2021-03-23 | 2021-03-23 | Flywheel casing axiality measuring device |
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| CN (1) | CN113063387A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003002946A1 (en) * | 2001-06-29 | 2003-01-09 | Abb Ab | Method to determine an angular position of a flywheel |
| CN103604398A (en) * | 2013-11-25 | 2014-02-26 | 广西玉柴机器股份有限公司 | Engine flywheel cover coaxiality measuring device |
| CN208155329U (en) * | 2018-05-04 | 2018-11-27 | 安徽江淮汽车集团股份有限公司 | A kind of crankshaft position sensor regulating device |
| CN210268500U (en) * | 2019-08-03 | 2020-04-07 | 东台市杰顺机械制造有限公司 | Flywheel casing concentricity gauge |
| CN212409542U (en) * | 2020-06-08 | 2021-01-26 | 沈阳航天誉兴机械制造有限公司 | Automobile crankshaft runout detection device |
-
2021
- 2021-03-23 CN CN202110310645.5A patent/CN113063387A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003002946A1 (en) * | 2001-06-29 | 2003-01-09 | Abb Ab | Method to determine an angular position of a flywheel |
| CN103604398A (en) * | 2013-11-25 | 2014-02-26 | 广西玉柴机器股份有限公司 | Engine flywheel cover coaxiality measuring device |
| CN208155329U (en) * | 2018-05-04 | 2018-11-27 | 安徽江淮汽车集团股份有限公司 | A kind of crankshaft position sensor regulating device |
| CN210268500U (en) * | 2019-08-03 | 2020-04-07 | 东台市杰顺机械制造有限公司 | Flywheel casing concentricity gauge |
| CN212409542U (en) * | 2020-06-08 | 2021-01-26 | 沈阳航天誉兴机械制造有限公司 | Automobile crankshaft runout detection device |
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Application publication date: 20210702 |
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