CN217900814U - Rotating electrical machines positioning accuracy test platform - Google Patents
Rotating electrical machines positioning accuracy test platform Download PDFInfo
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- CN217900814U CN217900814U CN202221654720.6U CN202221654720U CN217900814U CN 217900814 U CN217900814 U CN 217900814U CN 202221654720 U CN202221654720 U CN 202221654720U CN 217900814 U CN217900814 U CN 217900814U
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- motor
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Abstract
The utility model discloses a rotating electrical machines positioning accuracy test platform relates to motor positioning accuracy test field, and its technical scheme main points are: the test device comprises a base, the setting is at the testing arrangement of base one end and can dismantle the motor fixing base that awaits measuring of connection at the base other end, it is connected with the transmission shaft to rotate on the base, testing arrangement is including fixing the end cover on the base, be located and fix the reading circuit board in the end cover between base and the end cover and fix the epaxial code wheel of transmission, code wheel and reading circuit board clearance fit, one side that is close to the reading circuit board on the code wheel is provided with the light and shade stripe that supplies reading circuit board discernment, it waits to set up respectively on the motor fixing base that awaits measuring to await measuring the motor fixed orifices, wait to measure motor shaft hole and even axle chamber, the one end that testing arrangement was kept away from to the transmission shaft stretches into to even axle intracavity and has the shaft coupling at its end connection. The utility model discloses simple structure is compact, and is compatible high, and it is high to have a measuring accuracy, and measured data is reliable and stable advantage.
Description
Technical Field
The utility model relates to a motor positioning accuracy test field, more specifically say, it relates to a rotating electrical machines positioning accuracy test platform.
Background
The rotating motor consists of a stator, a rotor, a rotating shaft and an encoder, is usually used as an executing element in an automatic control system, converts a received electric signal into angular displacement or angular speed output on a motor shaft, and has the characteristics of simple control, high response speed, constant torque output, inertia braking and the like, so the rotating motor is widely applied to industrial control terminal executing platforms in various industries.
The rotary motor has positioning accuracy deviation in high-precision operation occasions due to self structural characteristics, the positioning accuracy deviation is an important index for measuring the precision performance of the rotary motor, the positioning accuracy test platform is used for accurately measuring and acquiring the actual angular displacement of an output shaft of the rotary motor, so that the actual angular displacement of the rotary motor given by an upper computer can be compared, and the deviation value of the two is the positioning accuracy deviation. The existing test platform for the positioning accuracy of the rotating motor comprises a plurality of independently arranged modules, the modules are fixedly arranged on a workbench respectively, the coaxiality between mechanisms is difficult to guarantee, the test accuracy is not high, the structure is complex, the test and installation are inconvenient, and the production cost of enterprises is increased.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a rotating electrical machines positioning accuracy test platform, simple structure is compact, and is compatible high, can test the rotating electrical machines of multiple model, and it is high to have a measuring accuracy, and measured data is reliable and stable advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a rotating electrical machines positioning accuracy test platform, includes the base, sets up at the testing arrangement of base one end and can dismantle the motor fixing base that awaits measuring of connection at the base other end, it is connected with the transmission shaft to rotate on the base, transmission shaft, testing arrangement and the coaxial setting of motor fixing base that awaits measuring, testing arrangement is including fixing end cover on the base, being located and fixing the reading circuit board in the end cover and fixing the epaxial code wheel of transmission between base and the end cover, code wheel and reading circuit board clearance fit, one side that is close to the reading circuit board on the code wheel is provided with the light and shade stripe that supplies reading circuit board discernment, it waits to set up respectively on the motor fixing base that awaits measuring and waits to await measuring motor fixed orifices, await measuring motor shaft hole and shaft coupling chamber coaxial and intercommunication each other, the one end that testing arrangement was kept away from to the transmission shaft stretches into to shaft coupling chamber and has the shaft coupling at its end connection.
In one embodiment, the base is of an aluminum inverted T-shaped structure, a rotating groove penetrates through the base, the transmission shaft is rotatably connected in the rotating groove, a bearing is arranged between the transmission shaft and the rotating groove, and a locking nut used for limiting the bearing on the transmission shaft is arranged on the transmission shaft.
In one embodiment, the motor fixing base to be tested is fixedly connected with the base through a bolt, a threaded hole is formed in the bottom of the base, a connecting hole is formed in the motor fixing base to be tested, and the bolt penetrates through the connecting hole and then is connected in the threaded hole in a threaded mode.
In one embodiment, the testing device further comprises a wire clamp and an in-line male head, the in-line male head is fixedly connected to the side wall of the end cover, the in-line male head is electrically connected with the reading circuit board through a wire cable, and the wire clamp is used for fixing the wire cable on the end cover.
In one embodiment, the bottom of the base is provided with a waist-shaped through groove.
To sum up, the utility model discloses following beneficial effect has: through fixing the both ends at the base respectively with the motor fixing base that awaits measuring and testing arrangement, make the utility model discloses a structure is compacter to make and to keep better axiality between the three, when testing the rotating electrical machines that awaits measuring, the rotation axis of the rotating electrical machines that awaits measuring with the utility model discloses a better axiality has between the transmission shaft, thereby can improve the measuring accuracy of the rotating electrical machines that awaits measuring, and the rotation axis of the rotating electrical machines that awaits measuring passes through shaft coupling and transmission shaft connection, can make things convenient for the high-speed joint of different diameter of axes rotating electrical machines that await measuring, also can change the motor fixing base that awaits measuring of different grade type according to the model of the rotating electrical machines that awaits measuring simultaneously, it is compatible high to have, advantage that application scope is wide.
Drawings
FIG. 1 is an exploded view of a rotary electric machine positioning accuracy test platform according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a transmission shaft and a bearing in a positioning accuracy testing platform of a rotating electrical machine according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a testing apparatus in a platform for testing positioning accuracy of a rotating electrical machine according to an embodiment of the present application.
In the figure: 1. a base; 21. a drive shaft; 22. a bearing; 23. locking the nut; 31. an end cap; 32. a reading circuit board; 33. code disc; 34. wire clamping; 35. a direct plug-in male head; 4. a coupling; 5. a motor fixing seat to be tested; 6. a rotating electrical machine to be tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the present application provides a rotating electrical machine positioning accuracy test platform, which includes a base 1, a test device disposed at one end of the base 1, and a to-be-tested motor fixing base 5 detachably connected to the other end of the base 1. The base 1 is rotatably connected with a transmission shaft 21, and the transmission shaft 21, the testing device and the motor fixing seat 5 to be tested are coaxially arranged. The testing device comprises an end cover 31 fixed on the base 1, a reading circuit board 32 positioned between the base 1 and the end cover 31 and fixed in the end cover 31, and a code wheel 33 fixed on the transmission shaft 21, wherein the code wheel 33 is in clearance fit with the reading circuit board 32, and light and dark stripes for the reading circuit board 32 to identify are arranged on one side of the code wheel 33 close to the reading circuit board 32. The motor fixing base 5 that awaits measuring is last to be provided with respectively and to await measuring the motor fixed orifices, await measuring motor shaft hole and even axle chamber, await measuring motor shaft hole and the coaxial and intercommunication each other of axle chamber of coupling, transmission shaft 21 keeps away from testing arrangement's one end and stretches into to even axle intracavity and have shaft coupling 4 at its end connection.
During operation, with base 1 fixed mounting to outside workstation on, pass through the bolt fastening with the rotating electrical machines 6 that await measuring on the motor fixed orifices that awaits measuring, and make the rotation axis of the rotating electrical machines 6 that await measuring stretch into even axle intracavity, the one end of shaft coupling 4 is fixed on transmission shaft 21 through the jackscrew, the other end of shaft coupling 4 passes through the jackscrew and the rotation axis fixed connection of the rotating electrical machines 6 that await measuring, during the test, the rotating electrical machines 6 that await measuring gives the instruction through the host computer, make the rotation axis of the rotating electrical machines 6 that await measuring rotate specific angle, receive the connection transmission of shaft coupling 4, transmission shaft 21 drives code wheel 33 and is coaxial equal angular motion, reading circuit board 32 can give the reading according to the change of light and shade stripe on the code wheel 33 this moment, through comparison reading numerical value and host computer given value, can judge the precision of the rotating electrical machines 6 that await measuring, it should notice, the mode that the host computer calculates the precision of the rotating electrical machines 6 that await measuring adopts prior art, do not do no redundancy in this embodiment.
In this way, through fixing the both ends at base 1 respectively with the motor fixing base that awaits measuring 5 and testing arrangement, make the utility model discloses a structure is compacter to make and can keep better axiality between the three, when testing the rotating electrical machines 6 that awaits measuring, the rotation axis of the rotating electrical machines 6 that awaits measuring with the utility model discloses a better axiality has between the transmission shaft 21, thereby can improve the measuring accuracy of the rotating electrical machines 6 that awaits measuring to the rotation axis of the rotating electrical machines 6 that awaits measuring passes through shaft coupling 4 and is connected with transmission shaft 21, can make things convenient for the different footpaths to await measuring the high-speed joint of rotating electrical machines 6, also can change the motor fixing base that awaits measuring 5 of different grade type according to the model of the rotating electrical machines 6 that awaits measuring simultaneously, it is high to have the compatibility, advantage that application scope is wide.
On the basis, base 1 is the aluminium system structure of falling T type, it is provided with the rotation groove to run through on the base 1, transmission shaft 21 rotates to be connected in rotating the inslot, be provided with bearing 22 between transmission shaft 21 and the rotation groove, be provided with on the transmission shaft 21 and be used for spacing lock nut 23 on transmission shaft 21 with bearing 22.
Specifically, the rotating groove comprises bearing 22 grooves respectively arranged at two ends of the base 1 and shaft grooves communicated between the two bearing 22 grooves, the bearing 22 grooves and the shaft grooves are coaxially arranged, the diameter of each bearing 22 groove is larger than that of each shaft groove, the peripheral wall of each bearing 22 is tightly matched with the inner peripheral wall of each bearing 22 groove, after the transmission shaft 21 penetrates through the corresponding bearing 22, the locking nut 23 abuts against the inner ring walls of the transmission shaft 21 and the corresponding bearing 22, the bearing 22 cannot easily slip off from the corresponding bearing 22 groove, the other end of the transmission shaft 21 is provided with a convex section, the diameter of the convex section is larger than that of the inner ring of the corresponding bearing 22, and further, when the locking nut 23 is locked, the bearing 22 at the other end can also abut against the other bearing 22 groove, and limiting installation of the transmission shaft 21 and the two bearings 22 is achieved.
In this way, make transmission shaft 21's rotation more stable smooth and easy, reduced transmission shaft 21's rotation frictional force, improved the utility model discloses a precision of software testing is high.
On the basis, the motor fixing seat 5 to be tested is fixedly connected with the base 1 through a bolt, a threaded hole is formed in the bottom of the base 1, a connecting hole is formed in the motor fixing seat 5 to be tested, and the bolt is connected into the threaded hole in a threaded mode after penetrating through the connecting hole.
Specifically, be provided with the motor fixed orifices that awaits measuring of a plurality of different positions on the same motor cabinet that awaits measuring, the rotating electrical machines 6 that await measuring of multiple different grade type of can fixed mounting to motor fixing base 5 that awaits measuring adopts detachable setting, can adapt to the rotating electrical machines 6 that await measuring of more different models through changing different motor fixing base 5 that awaits measuring.
By the mode, the rotating motor 6 to be tested of various models can be tested, and the testing device has the advantages of convenience and rapidness in installation and high compatibility.
On the basis, the testing device further comprises a wire clamp 34 and a direct-insert male head 35, the direct-insert male head 35 is fixedly connected to the side wall of the end cover 31, the direct-insert male head 35 is electrically connected with the reading circuit board 32 through a cable, and the wire clamp 34 is used for fixing the cable on the end cover 31.
Specifically, the reading circuit board 32 is fixed to the end cover 31 by a positioning pin and a bolt.
In this way, through the setting of the public head 35 of formula of cuting straightly, make the utility model discloses convenient and fast more when being connected with outside host computer.
On the basis, a waist-shaped through groove is formed in the bottom of the base 1.
Specifically, in use, the base 1 is fixed to the outer table by bolts.
Above-mentioned mode, through the setting that the groove was led to the waist type, when the installation back need carry out position fine-tuning to base 1, only need send the bolt a little can, have the advantage of simple operation.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a rotating electrical machines positioning accuracy test platform which characterized in that: including base (1), set up the testing arrangement in base (1) one end and can dismantle the motor fixing base (5) that awaits measuring of connection at the base (1) other end, it is connected with transmission shaft (21) to rotate on base (1), transmission shaft (21), testing arrangement and the coaxial setting of motor fixing base (5) that awaits measuring, testing arrangement is including fixing end cover (31) on base (1), be located reading circuit board (32) of fixing in end cover (31) between base (1) and end cover (31) and fix code wheel (33) on transmission shaft (21), code wheel (33) and reading circuit board (32) clearance fit, one side that is close to reading circuit board (32) on code wheel (33) is provided with the light and shade stripe that supplies reading circuit board (32) discernment, it awaits measuring motor fixed orifices, awaits measuring motor shaft hole and axle connecting chamber to set up respectively on motor fixing base (5) that awaits measuring, wait to measure motor shaft hole and axle connecting chamber coaxial and intercommunication each other, the one end that test arrangement was kept away from in transmission shaft (21) stretches into and connects shaft coupling (4) in its end connection.
2. The rotary electric machine positioning accuracy test platform of claim 1, wherein: base (1) is the aluminium type of falling T structure, it rotates the groove to run through being provided with on base (1), transmission shaft (21) rotate to be connected and rotate the inslot, be provided with bearing (22) between transmission shaft (21) and the rotation groove, be provided with on transmission shaft (21) and be used for spacing lock nut (23) on transmission shaft (21) with bearing (22).
3. The rotary electric machine positioning accuracy test platform of claim 1, wherein: the motor fixing base (5) to be tested is fixedly connected with the base (1) through a bolt, a threaded hole is formed in the bottom of the base (1), a connecting hole is formed in the motor fixing base (5) to be tested, and the bolt is connected in the threaded hole in a threaded mode after penetrating through the connecting hole.
4. The rotary electric machine positioning accuracy test platform of claim 1, wherein: the testing device further comprises a wire clamp (34) and a direct-insert male head (35), the direct-insert male head (35) is fixedly connected to the side wall of the end cover (31), the direct-insert male head (35) is electrically connected with the reading circuit board (32) through a cable, and the wire clamp (34) is used for fixing the cable on the end cover (31).
5. The rotary electric machine positioning accuracy test platform of claim 1, characterized in that: the bottom of the base (1) is provided with a waist-shaped through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221654720.6U CN217900814U (en) | 2022-06-29 | 2022-06-29 | Rotating electrical machines positioning accuracy test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221654720.6U CN217900814U (en) | 2022-06-29 | 2022-06-29 | Rotating electrical machines positioning accuracy test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900814U true CN217900814U (en) | 2022-11-25 |
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ID=84133108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221654720.6U Active CN217900814U (en) | 2022-06-29 | 2022-06-29 | Rotating electrical machines positioning accuracy test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900814U (en) |
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2022
- 2022-06-29 CN CN202221654720.6U patent/CN217900814U/en active Active
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