CN114552896A - Method for mounting encoder on motor - Google Patents
Method for mounting encoder on motor Download PDFInfo
- Publication number
- CN114552896A CN114552896A CN202210172936.7A CN202210172936A CN114552896A CN 114552896 A CN114552896 A CN 114552896A CN 202210172936 A CN202210172936 A CN 202210172936A CN 114552896 A CN114552896 A CN 114552896A
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- Prior art keywords
- motor
- connecting shaft
- encoder
- positioning sleeve
- mounting hole
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000011426 transformation method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/22—Optical devices
Abstract
The invention discloses a method for mounting an encoder on a motor, which comprises the following steps: firstly, scribing a platform; step two, processing a mounting hole; step three, installing a positioning sleeve; step four, assembling an encoder assembly; fifthly, mounting an encoder assembly; sixthly, accurately positioning operation; the specification parameters of the mounting holes are as follows: phi is 32mm, the depth is 45mm, and the mounting hole is coaxial with the motor shaft; in the second step, before drilling, trial drilling is firstly carried out: drilling a shallow pit by aligning the chisel edge of the drill bit with the central sample of the hole and then correcting the deviation of the shallow pit to ensure that the shallow pit is coaxial with the checking circle; the invention provides a motor transformation method, which is characterized in that an encoder is installed to obtain the angular displacement of a motor, so that the starting and stopping time point of the motor is accurately determined, the sudden starting and the sudden stopping are avoided, the accurate control and the stable operation of the motor are realized, the rejection rate of the motor is obviously reduced, the production efficiency is improved, the production cost is reduced, and safety accidents and equipment accidents are reduced.
Description
Technical Field
The invention relates to the technical field of motor transformation, in particular to a method for mounting an encoder on a motor.
Background
Old-fashioned hoisting equipment is by manual operation, realizes opening and stops, possesses following shortcoming:
1. the labor cost is high, and the working efficiency is low;
2. the safety accident and the equipment accident are easy to occur under the influence of factors such as the surrounding working environment, the operation level of an operator, the working mood and the like;
3. due to various reasons such as visual lines of operators or misoperation, the phenomena of frequent starting, sudden stop and sudden start of equipment and the like are caused, and the service life of the motor is directly influenced;
the old hoisting equipment is not suitable for enterprise development, but has limited capital and cannot be completely eliminated, so that the old hoisting equipment needs to be technically modified, but a corresponding modification method is lacked in the prior art.
Disclosure of Invention
The present invention is directed to a method of mounting an encoder on a motor to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method of mounting an encoder on an electric machine, comprising the steps of: firstly, scribing a platform; step two, processing a mounting hole; step three, installing a positioning sleeve; step four, assembling an encoder assembly; fifthly, mounting an encoder assembly; sixthly, accurately positioning operation;
in the first step, firstly, analyzing the pattern, selecting a reference, marking a reference line and a sight line at the shaft end of a motor shaft of the motor, then marking a hole center line, measuring by using a vernier caliper or a steel plate ruler after marking the line, marking an inspection square or an inspection circle which takes the hole center line as a symmetrical center after marking the line and inspecting the line to be qualified, and taking the inspection square or the inspection circle as an inspection line during trial drilling so as to inspect and correct the drilling direction during drilling;
in the second step, after marking out corresponding checking squares or checking circles, performing sample punching on the cross point position of the cross center line on the motor shaft, clamping the motor shaft on a machine tool, performing drilling processing on the motor shaft, and forming a mounting hole;
in the third step, the positioning sleeve is firstly installed at one end of the first connecting shaft, then the positioning sleeve is inserted into the installation hole, and the positioning sleeve is fixed by using a bolt; installing a corrugated pipe coupler at the other end of the first connecting shaft, fixing a machine cover on a first machine shell through bolts, fixing a flange pipe on the machine cover through bolts, and sleeving the corrugated pipe coupler into the flange pipe to complete the installation of a positioning sleeve;
the encoder assembly comprises a second casing, a second connecting shaft is arranged in the second casing, a grating plate is fixedly connected onto the second connecting shaft, a prism is arranged on one side of the grating plate, a light-emitting diode is arranged on one side of the prism, a fixed grating is arranged on the other side of the grating plate, a photosensitive tube is arranged on one side of the fixed grating, bearings are arranged on two sides of the grating plate and fixedly connected onto the second connecting shaft, and when the encoder assembly is assembled, the encoder assembly is assembled according to the position relation, signal lines are connected, and the encoder assembly is connected to a power supply;
in the fifth step, when the encoder assembly is installed, the second connecting shaft is connected with the first connecting shaft through the corrugated pipe coupler, and the second casing is fixed on the flange pipe through the bolt, so that the encoder assembly is installed;
and when the revolution of the motor reaches a set revolution, the upper computer disconnects the circuit according to the information transmitted back by the encoder component, stops working, and thus achieves accurate positioning operation.
Preferably, in the first step, the motor includes first casing, and the bolt fastening has the cover on the outer wall of one side of first casing, and the bolt fastening has the flange pipe on the outer wall of one side of cover, and the bellows coupling has been cup jointed to the inside of flange pipe, and the first connecting axle of one end fixedly connected with of bellows coupling, the one end fixedly connected with position sleeve of first connecting axle, and the internally mounted of first casing has the motor shaft, and the position sleeve bolted fixation in the one end of motor shaft, and the mounting hole has been seted up to the one end of motor shaft, and the position sleeve cup joints in the inside of mounting hole.
Preferably, the specification parameters of the mounting hole are as follows: phi 32mm, depth 45mm, and the mounting hole is coaxial with the motor shaft.
Preferably, in the second step, before drilling, trial drilling is first performed: the chisel edge of the drill is aligned with the center of the hole to drill a shallow pit, and then the shallow pit is corrected to be coaxial with the checking circle.
Preferably, in the third step, the outer diameter of the positioning sleeve and the mounting hole must ensure the coaxiality, the coaxiality is phi 0.02mm, the outer diameter of the positioning sleeve and the inner diameter of the mounting hole are in transition fit, and the fit tolerance is phiH k6 7。
Preferably, in the third step, the inner diameter of the positioning sleeve is in transition fit with the first connecting shaft, and the fit tolerance isH k6 7。
Compared with the prior art, the invention has the beneficial effects that: the invention provides a motor transformation method, which is characterized in that an encoder is installed to obtain the angular displacement of a motor, so that the starting and stopping time point of the motor is accurately determined, the sudden starting and the sudden stopping are avoided, the accurate control and the stable operation of the motor are realized, the rejection rate of the motor is obviously reduced, the production efficiency is improved, the production cost is reduced, and safety accidents and equipment accidents are reduced.
Drawings
FIG. 1 is an assembly view of an encoder assembly of the present invention;
FIG. 2 is a block diagram of an encoder assembly of the present invention;
FIG. 3 is a flow chart of a method of the present invention;
in the figure: 1. a first housing; 10. a machine cover; 11. a flange pipe; 12. a motor shaft; 13. mounting holes; 14. a positioning sleeve; 15. a first connecting shaft; 16. a bellows coupling; 2. an encoder assembly; 20. a second housing; 21. a second connecting shaft; 22. a bearing; 23. a grating plate; 24. a prism; 25. a light emitting diode; 26. fixing the grating; 27. a photosensitive tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: a method of mounting an encoder on an electric machine, comprising the steps of: firstly, scribing a platform; step two, processing a mounting hole; step three, installing a positioning sleeve; step four, assembling an encoder assembly; fifthly, mounting an encoder assembly; step six, performing accurate positioning operation;
in the first step, firstly, analyzing the pattern, selecting a reference, marking a reference line and a sight line at the 12 shaft end of the motor shaft, then marking a hole center line, measuring by using a vernier caliper or a steel plate ruler after marking the line, marking an inspection square or an inspection circle which takes the hole center line as a symmetrical center after marking the line and inspecting the line to be qualified, and taking the inspection square or the inspection circle as an inspection line during trial drilling so as to inspect and correct the drilling direction during drilling; the motor comprises a first housing 1, a cover 10 is fixed on the outer wall of one side of the first housing 1 through a bolt, a flange pipe 11 is fixed on the outer wall of one side of the cover 10 through a bolt, a corrugated pipe coupler 16 is sleeved inside the flange pipe 11, one end of the corrugated pipe coupler 16 is fixedly connected with a first connecting shaft 15, one end of the first connecting shaft 15 is fixedly connected with a positioning sleeve 14, a motor shaft 12 is installed inside the first housing 1, the positioning sleeve 14 is fixed on one end of the motor shaft 12 through a bolt, a mounting hole 13 is formed in one end of the motor shaft 12, and the positioning sleeve 14 is sleeved inside the mounting hole 13; the specification parameters of the mounting hole 13 are as follows: phi is 32mm, the depth is 45mm, and the mounting hole 13 is coaxial with the motor shaft 12;
after marking out corresponding checking squares or checking circles in the second step, performing sample punching on the cross point position of the cross center line on the motor shaft 12, clamping the motor shaft 12 on a machine tool, performing drilling processing on the motor shaft, and forming a mounting hole 13; wherein, before drilling, trial drilling is firstly carried out: drilling a shallow pit by aligning the chisel edge of the drill bit with the central sample of the hole and then correcting the deviation of the shallow pit to ensure that the shallow pit is coaxial with the checking circle;
wherein in the third step, the positioning sleeve 14 is firstly installed on the first connecting shaft15, inserting the positioning sleeve 14 into the mounting hole 13 and fixing by using a bolt; a corrugated pipe coupler 16 is arranged at the other end of the first connecting shaft 15, the machine cover 10 is fixed on the first machine shell 1 through bolts, the flange pipe 11 is fixed on the machine cover 10 through bolts, and the corrugated pipe coupler 16 is sleeved in the flange pipe 11 to complete the installation of the positioning sleeve 14; wherein, the outer diameter of the positioning sleeve 14 and the mounting hole 13 must ensure the coaxiality, the coaxiality is phi 0.02mm, the outer diameter of the positioning sleeve 14 and the inner diameter of the mounting hole 13 are in transition fit, and the fit tolerance is phiH k6 7The inner diameter of the positioning sleeve 14 is in transition fit with the first connecting shaft 15, and the fit tolerance isH k6 7；
In the fourth step, the encoder component 2 includes a second casing 20, a second connecting shaft 21 is installed inside the second casing 20, a grating plate 23 is fixedly connected to the second connecting shaft 21, a prism 24 is arranged on one side of the grating plate 23, a light emitting diode 25 is arranged on one side of the prism 24, a fixed grating 26 is arranged on the other side of the grating plate 23, a photosensitive tube 27 is arranged on one side of the fixed grating 26, bearings 22 are arranged on two sides of the grating plate 23, and the bearings 22 are fixedly connected to the second connecting shaft 21;
in the fifth step, when the encoder assembly 2 is installed, the second connecting shaft 21 is connected with the first connecting shaft 15 through the corrugated pipe coupler 16, and the second casing 20 is fixed on the flange pipe 11 through the bolt, so that the installation of the encoder assembly 2 is completed;
wherein in above-mentioned step six, the starter motor, make motor shaft 12 rotate, drive first connecting axle 15 through position sleeve 14, first connecting axle 15 drives second connecting axle 21 through bellows shaft coupling 16, grating board 23 on the second connecting axle 21 rotates thereupon, produces the detected signal to pass through the signal line and reach the host computer, when the motor revolution reaches the settlement revolution, the host computer is according to the information that encoder subassembly 2 returned with the circuit disconnection, stop the operation, accomplish accurate location operation with this.
Based on the above, the invention has the advantages that when the invention is used, the first connecting shaft 15 is driven by the motor shaft 12, the first connecting shaft 15 drives the second connecting shaft 21 through the corrugated pipe coupler 16, the grating plate 23 on the second connecting shaft 21 rotates along with the first connecting shaft, the prism 24 projects light rays emitted by the light emitting diode 25 onto the grating plate 23, the light rays irradiate on the fixed grating 26 and then irradiate on the photosensitive tube 27, the photosensitive tube 27 generates a detection signal which is transmitted to an upper computer through a signal line, and the upper computer obtains the revolution number of the motor according to the light rays; wherein, first casing 1 and cover 10 are the casing part of motor, and flange pipe 11 is used for connecting motor and encoder subassembly 2, and the position sleeve 14 in the mounting hole 13 is used for installing first connecting axle 15, and second casing 20 is the casing of encoder subassembly 2, and bearing 22 is used for assisting second connecting axle 21 to rotate.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A method of mounting an encoder on an electric machine, comprising the steps of: firstly, scribing a platform; step two, processing a mounting hole; step three, installing a positioning sleeve; step four, assembling an encoder assembly; fifthly, mounting an encoder assembly; sixthly, accurately positioning operation; the method is characterized in that:
in the first step, firstly, analyzing the pattern, selecting a reference, marking a reference line and a sight line at the shaft end of a motor shaft (12) of the motor, then marking a hole center line, measuring by using a vernier caliper or a steel plate ruler after marking the line, marking an inspection square or an inspection circle which takes the hole center line as a symmetrical center after marking the line and inspecting the line to be qualified, and taking the inspection square or the inspection circle as an inspection line during trial drilling so as to inspect and correct the drilling direction during drilling;
in the second step, after marking out corresponding checking squares or checking circles, performing sample punching on the cross point position of the cross center line on the motor shaft (12), clamping the motor shaft (12) on a machine tool, performing drilling processing on the motor shaft, and forming a mounting hole (13);
in the third step, the positioning sleeve (14) is firstly installed at one end of the first connecting shaft (15), then the positioning sleeve (14) is inserted into the installation hole (13), and the positioning sleeve is fixed by using a bolt; the other end of the first connecting shaft (15) is provided with a corrugated pipe coupler (16), a machine cover (10) is fixed on the first machine shell (1) through bolts, a flange pipe (11) is fixed on the machine cover (10) through bolts, the corrugated pipe coupler (16) is sleeved in the flange pipe (11), and the installation of the positioning sleeve (14) is completed;
in the fourth step, the encoder assembly (2) comprises a second casing (20), a second connecting shaft (21) is installed inside the second casing (20), a grating plate (23) is fixedly connected to the second connecting shaft (21), a prism (24) is arranged on one side of the grating plate (23), a light emitting diode (25) is arranged on one side of the prism (24), a fixed grating (26) is arranged on the other side of the grating plate (23), a photosensitive tube (27) is arranged on one side of the fixed grating (26), bearings (22) are arranged on two sides of the grating plate (23), and the bearings (22) are fixedly connected to the second connecting shaft (21), so that when the encoder assembly (2) is assembled, the encoder assembly is assembled according to the position relation, signal lines are connected, and a power supply is connected;
in the fifth step, when the encoder assembly (2) is installed, the second connecting shaft (21) is connected with the first connecting shaft (15) through the corrugated pipe coupler (16), and the second machine shell (20) is fixed on the flange pipe (11) through the bolt, so that the installation of the encoder assembly (2) is completed;
in the sixth step, the motor is started, the motor shaft (12) is rotated, the first connecting shaft (15) is driven through the positioning sleeve (14), the first connecting shaft (15) drives the second connecting shaft (21) through the corrugated pipe coupler (16), the grating plate (23) on the second connecting shaft (21) rotates along with the first connecting shaft, a detection signal is generated and is uploaded to the upper computer through a signal line, when the revolution of the motor reaches a set revolution, the upper computer disconnects a circuit according to information transmitted back by the encoder assembly (2), operation is stopped, and accurate positioning operation is achieved.
2. A method of installing an encoder on an electric machine according to claim 1, wherein: in the first step, the motor comprises a first casing (1), a cover (10) is fixed on the outer wall of one side of the first casing (1) through bolts, a flange pipe (11) is fixed on the outer wall of one side of the cover (10) through bolts, a corrugated pipe coupling (16) is sleeved inside the flange pipe (11), a first connecting shaft (15) is fixedly connected with one end of the corrugated pipe coupling (16), a positioning sleeve (14) is fixedly connected with one end of the first connecting shaft (15), a motor shaft (12) is installed inside the first casing (1), the positioning sleeve (14) is fixed at one end of the motor shaft (12) through bolts, a mounting hole (13) is formed in one end of the motor shaft (12), and the positioning sleeve (14) is sleeved inside the mounting hole (13).
3. A method of mounting an encoder on an electrical machine according to claim 2, wherein: the specification parameters of the mounting hole (13) are as follows: phi is 32mm, the depth is 45mm, and the mounting hole (13) is coaxial with the motor shaft (12).
4. A method of installing an encoder on an electric machine according to claim 1, wherein: in the second step, before drilling, trial drilling is firstly carried out: the chisel edge of the drill is aligned with the center of the hole to drill a shallow pit, and then the shallow pit is corrected to be coaxial with the checking circle.
5. A method of installing an encoder on an electric machine according to claim 1, wherein: in the third step, the outer diameter of the positioning sleeve (14) and the mounting hole (13) must ensure the coaxiality, the coaxiality is phi 0.02mm, the outer diameter of the positioning sleeve (14) and the inner diameter of the mounting hole (13) are in transition fit, and the fit tolerance is phi
6. According to the claimsThe method for installing the encoder on the motor according to claim 1 is characterized in that: in the third step, the inner diameter of the positioning sleeve (14) is in transition fit with the first connecting shaft (15), and the fit tolerance is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210172936.7A CN114552896A (en) | 2022-02-24 | 2022-02-24 | Method for mounting encoder on motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210172936.7A CN114552896A (en) | 2022-02-24 | 2022-02-24 | Method for mounting encoder on motor |
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| CN114552896A true CN114552896A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210172936.7A Pending CN114552896A (en) | 2022-02-24 | 2022-02-24 | Method for mounting encoder on motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122902A (en) * | 1996-10-11 | 1998-05-15 | Ruhlatec Ind Gmbh | Encoder |
| CN101299564A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Device for joining motor main axle and encoder |
| CN202150772U (en) * | 2011-07-22 | 2012-02-22 | 上海华菱电站成套设备有限公司 | Sampling device of synchronization motor rotor position and rotational speed |
| CN202178661U (en) * | 2011-08-23 | 2012-03-28 | 宝山钢铁股份有限公司 | Connecting device used for encoder and motor transmission shaft |
| CN113922592A (en) * | 2020-07-09 | 2022-01-11 | 上海梅山钢铁股份有限公司 | Large-scale vertical roll motor encoder installation component |
-
2022
- 2022-02-24 CN CN202210172936.7A patent/CN114552896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122902A (en) * | 1996-10-11 | 1998-05-15 | Ruhlatec Ind Gmbh | Encoder |
| CN101299564A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Device for joining motor main axle and encoder |
| CN202150772U (en) * | 2011-07-22 | 2012-02-22 | 上海华菱电站成套设备有限公司 | Sampling device of synchronization motor rotor position and rotational speed |
| CN202178661U (en) * | 2011-08-23 | 2012-03-28 | 宝山钢铁股份有限公司 | Connecting device used for encoder and motor transmission shaft |
| CN113922592A (en) * | 2020-07-09 | 2022-01-11 | 上海梅山钢铁股份有限公司 | Large-scale vertical roll motor encoder installation component |
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