A production method for a modular arc motor

Abstract

A method for producing a modular arc-shaped motor belongs to the field of motor technology. The method includes the following steps: assembling an intermediate assembly; setting the intermediate assembly shaft on a support portion to position the module mounting portion in a predetermined position; fixing the arc-shaped motor module to be installed in the predetermined position of the module mounting portion; connecting the winding of the arc-shaped motor module to a motor drive controller; applying a set current to the motor drive controller; detecting whether the next adjacent module mounting portion can rotate to the predetermined position; if so, proceeding to step S5; if not, proceeding to step S3; S5: disconnecting the winding from the motor drive controller, and re-executing step S3, repeating this cycle until all arc-shaped motor modules are installed. This method for producing a modular arc-shaped motor achieves the purpose of detecting the pass rate of the stator module units during motor assembly, greatly shortening the overall production cycle of the arc-shaped motor.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and in particular to a method for producing a modular arc-shaped motor. Background Technology

[0002] The stator assembly of an arc motor is typically composed of multiple stator module units. Since there is no magnetic coupling between the various stator module units, each stator module unit can be controlled independently, giving the arc motor good fault tolerance.

[0003] The existing modular arc motors manufacture each stator module independently. After each stator module is manufactured, its pass rate needs to be tested one by one. Only stator module units that meet the pass rate standard can be used for the assembly of the arc motor. Therefore, the production of existing modular arc motors requires the design of special testing equipment to detect whether the windings of the stator module units are faulty. The addition of a special stator module unit testing process also leads to an extension of the overall production cycle of the arc motor.

[0004] In addition, the housing needs to be rotated during the installation of each stator module unit. Therefore, a special drive mechanism needs to be set on the assembly fixture to rotate the housing, and it is also necessary to ensure that the drive mechanism is reliably connected to the housing. The installation of the housing and the assembly fixture is relatively complicated, which makes the whole assembly process time-consuming. Summary of the Invention

[0005] To address the problems existing in the prior art, this invention provides a production method for modular arc motors. This method achieves the purpose of detecting the pass rate of stator module units during motor assembly, without requiring dedicated testing equipment, and greatly shortens the overall production cycle of the arc motor.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows:

[0007] A method for producing a modular arc motor, the arc motor including an end cover, a housing, a rotor, a shaft, and multiple arc motor modules, wherein the housing is provided with multiple module mounting parts evenly arranged along the circumference for mounting the arc motor modules;

[0008] The production method is achieved by an installation fixture, which includes a support part for supporting the arc-shaped motor and an elastic insertion part movably disposed on the support part. The elastic insertion part cooperates with the insertion hole disposed on the end cover to fix the arc-shaped motor.

[0009] The production method includes the following steps:

[0010] S1. Fix the rotor to the rotating shaft to form a rotor assembly, and assemble the rotor assembly, end cover and housing to form an intermediate assembly;

[0011] S2. Place both ends of the intermediate assembly shaft on the support part, rotate the intermediate assembly to make the module mounting part in the predetermined position, insert the elastic plug part into the plug hole of the end cover, and then lock the shaft by the locking mechanism provided on the support part.

[0012] S3. After fixing the arc motor module to be installed at the module mounting part in the predetermined position, connect the winding of the arc motor module to the motor drive controller.

[0013] S4. Pull the elastic plug out of the end cap's socket, apply the set current to the motor drive controller, and check whether the next adjacent module mounting part can be rotated to the predetermined position. If it can be rotated to the predetermined position, proceed to step S5; if it cannot be rotated to the predetermined position, remove the arc-shaped motor module, replace it with a new arc-shaped motor module, and repeat step S3.

[0014] S5. Insert the flexible connector into the socket of the end cap, disconnect the winding from the motor drive controller, and repeat step S3. Repeat this process until all arc motor modules are installed.

[0015] Furthermore, the insertion hole is a heat dissipation hole evenly arranged along the circumference of the end face of the end cover. There are several heat dissipation holes, and the circumferential position of the heat dissipation holes corresponds to the circumferential position of the module mounting part.

[0016] Furthermore, the circumferential position of the module mounting portion corresponds to the circumferential position of a portion of the plurality of heat dissipation holes.

[0017] Furthermore, the circumferential position of the module mounting part corresponds one-to-one with the circumferential position of the heat dissipation hole.

[0018] Furthermore, the support includes a base and a mounting bracket disposed on the base. The mounting bracket includes a lower mounting bracket and an upper mounting bracket that are movably connected. A through hole for placing the rotating shaft is provided between the lower mounting bracket and the upper mounting bracket. The through hole is formed by a lower semicircular groove disposed on the lower mounting bracket and an upper semicircular groove disposed on the upper mounting bracket. Rubber gaskets are provided in both the lower semicircular groove and the upper semicircular groove.

[0019] Furthermore, the elastic plug portion includes a pin movably connected to the mounting bracket and a spring disposed between the pin and the mounting bracket, the pin being able to pass through the mounting bracket to a heat dissipation hole.

[0020] Furthermore, the locking mechanism includes a bolt, a lower screw hole on the lower mounting bracket, and an upper screw hole on the upper mounting bracket. The bolt is disposed in the upper screw hole. When the lower mounting bracket and the upper mounting bracket are in a closed state, the bolt is screwed into the lower screw hole, which can lock the shaft and the mounting bracket in a non-rotatable locked state.

[0021] The beneficial effects of this invention are:

[0022] The proposed method for producing modular arc motors utilizes arc motor modules to drive the housing rotation. During motor assembly, the method achieves the purpose of detecting the pass rate of arc motor modules, eliminating the need for a dedicated inspection process for arc motor modules and simplifying the structure of the assembly fixture. It also eliminates the need for a dedicated drive mechanism on the assembly fixture, reducing the cost of the production equipment. Furthermore, the method of fixing the motor shaft to the mounting fixture is relatively simple, reducing production difficulty and significantly shortening the overall production cycle of the arc motor.

[0023] Other features and advantages of the present invention will be described in detail in part in the following detailed description. Attached Figure Description

[0024] Figure 1 This is a flowchart of a production method for a modular arc motor provided in an embodiment of the present invention;

[0025] Figure 2 This is an exploded view of the fixing structure of multiple stator module units of the arc-shaped motor provided in an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the assembly of multiple stator module units fixing structures of the arc-shaped motor provided in an embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the arc-shaped motor structure provided in an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the right end cap structure provided in an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram showing the relationship between the circumferential position of the heat dissipation hole and the circumferential position of the module mounting part according to an embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram showing the relationship between the circumferential position of the heat dissipation hole and the circumferential position of the module mounting part according to another embodiment of the present invention;

[0031] Figure 8 This is a schematic diagram of the installation fixture for the modular arc motor provided in an embodiment of the present invention;

[0032] Figure 9 This is a schematic diagram of the mounting bracket provided in an embodiment of the present invention.

[0033] The reference numerals in the accompanying drawings include:

[0034] 1. Arc-shaped motor module; 2. Housing; 21. Module mounting section; 3. Right end cover; 31. Heat dissipation hole; 32. Shaft hole; 4. Left end cover; 5. Shaft; 6. Rotor; 7. Fan; 8. Mounting bracket; 81. Lower mounting bracket; 811. Lower semi-circular groove; 812. Lower screw hole; 813. Pin hole; 82. Upper mounting bracket; 821. Upper semi-circular groove; 822. Upper screw hole; 83. Bolt; 9. Pin; 10. Spring; 11. Base. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0036] In the description of this invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two components. They can be direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0037] In order to solve the problems existing in the current technology, such as Figures 1 to 9 As shown, the present invention provides a method for producing a modular arc motor. The arc motor includes an end cover, a housing 2, a rotor 6, a shaft 5, and multiple arc motor modules 1. Multiple module mounting parts 21 are evenly arranged along the circumference of the housing 2 for mounting the arc motor modules 1.

[0038] The production method is achieved through an installation fixture, which includes a support part for supporting the arc motor and an elastic plug part movably disposed on the support part. The elastic plug part cooperates with the plug hole disposed on the end cover to fix the arc motor.

[0039] like Figure 1 As shown, the production method includes the following steps:

[0040] S1. Fix the rotor 6 to the rotating shaft 5 to form a rotor assembly, and assemble the rotor assembly, end cover and housing 2 to form an intermediate assembly;

[0041] In this embodiment, the insertion hole is a heat dissipation hole 31 evenly arranged along the circumference of the end face of the end cover. There are several heat dissipation holes 31, and the circumferential position of the heat dissipation holes 31 corresponds to the circumferential position of the module mounting part 21. Specifically, end covers are provided at both ends of the housing 2, which are divided into a left end cover 4 and a right end cover 3.

[0042] In this embodiment, the rotor 6 and the fan 7 are fixed on the rotating shaft 5 to form a rotor assembly. Then, the rotor assembly, the left end cover 4, the right end cover 3 and the housing 2 are assembled together to form an intermediate assembly.

[0043] S2. Place both ends of the intermediate assembly shaft 5 on the support part, rotate the intermediate assembly to make the module mounting part 21 in the predetermined position, insert the elastic plug part into the plug hole of the end cover, and then lock the shaft 5 by the locking mechanism provided on the support part.

[0044] The support includes a base 11 and a mounting bracket 8 disposed on the base 11. The mounting bracket 8 includes a lower mounting bracket 81 and an upper mounting bracket 82 that are movably connected. A through hole for placing the rotating shaft 5 is provided between the lower mounting bracket 81 and the upper mounting bracket 82. The through hole is formed by a lower semi-circular groove 811 disposed on the lower mounting bracket 81 and an upper semi-circular groove 821 disposed on the upper mounting bracket 82. Rubber gaskets are provided in both the lower semi-circular groove 811 and the upper semi-circular groove 821.

[0045] The resilient plug-in part includes a pin 9 that is movably connected to the mounting bracket 8 and a spring 10 disposed between the pin 9 and the mounting bracket 8. The pin 9 can pass through the mounting bracket 8 to the heat dissipation hole 31.

[0046] The locking mechanism includes a bolt 83, a lower screw hole 812 on the lower mounting bracket 81, and an upper screw hole 822 on the upper mounting bracket 82. The bolt 83 is located in the upper screw hole 822. When the lower mounting bracket 81 and the upper mounting bracket 82 are in a closed state, the bolt 83 is screwed into the lower screw hole 812, which can lock the rotating shaft 5 and the mounting bracket 8 into a non-rotatable locked state.

[0047] In this embodiment, the lower mounting bracket 81 and the upper mounting bracket 82 are in the open state. Pulling the pin 9 outward causes the end of the pin 9 near the arc motor side to retract into the pin hole 813 of the mounting bracket 8. At this time, the spring 10 is in the stretched state. The two ends of the rotating shaft 5 of the intermediate assembly are placed in the lower semi-circular groove 811 respectively. After rotating the housing 2 of the intermediate assembly so that the module mounting part 21 of the housing 2 is in the predetermined position, the pin 9 is released. Under the elastic force of the spring 10, the pin 9 is inserted into the corresponding heat dissipation hole 31 on the right end cover 3. The predetermined position is the position that facilitates the installation of the arc motor module 1 onto the module mounting part 21. The lower mounting bracket 81 and the upper mounting bracket 82 are closed, and the bolt 83 is screwed into the lower screw hole 812 so that the rotating shaft 5 and the mounting bracket 8 are in a locked state that cannot be rotated.

[0048] S3. After fixing the arc motor module 1 to be installed on the module mounting part 21 at the predetermined position, connect the winding of the arc motor module 1 to the motor drive controller.

[0049] S4. Pull the elastic plug out of the plug hole of the end cover, pass the set current to the motor drive control, and check whether the next adjacent module mounting part 21 can rotate to the predetermined position. If it can rotate to the predetermined position, proceed to step S5. If it cannot rotate to the predetermined position, it means that the arc motor module 1 is faulty. Then remove the faulty arc motor module 1, replace it with a new arc motor module 1, and repeat step S3.

[0050] In this embodiment, the pin 9 is pulled outward so that the end of the pin 9 near the side of the arc motor is retracted into the pin hole 813. A set current is supplied to the controller, and it is detected whether the next adjacent module mounting part 21 can slowly rotate to the predetermined position (manual observation). If it can slowly rotate to the predetermined position, step S5 is executed; if it cannot slowly rotate to the predetermined position, it indicates that the arc motor module 1 is faulty. The faulty arc motor module 1 is then removed, a new arc motor module 1 is replaced, and step S3 is executed again.

[0051] S5. Insert the flexible connector into the socket of the end cap, disconnect the winding from the motor drive controller, and repeat step S3. Repeat this process until all arc motor modules 1 are installed.

[0052] In this embodiment, the pin 9 is released, and the pin 9 is inserted into the corresponding heat dissipation hole 31 on the right end cover 3 under the elastic force of the spring 10, disconnecting the winding from the controller; step S3 is executed again, that is, the next arc motor module 1 to be installed is fixed on the module mounting part 21 at the predetermined position, and so on until the installation of all arc motor modules 1 is completed (the installation work is stopped manually).

[0053] As one embodiment, the circumferential position of the module mounting part 21 corresponds to the circumferential position of a portion of the heat dissipation holes 31 among the plurality of heat dissipation holes 31.

[0054] In another embodiment, the circumferential position of the module mounting part 21 corresponds one-to-one with the circumferential position of the heat dissipation hole 31.

[0055] like Figure 2-3 As shown, the fixing structure of multiple stator module units of the arc motor includes a housing 2 and multiple arc motor modules 1. The housing 2 forms module mounting parts 21 along the circumference of the motor. That is, the housing 2 is evenly provided with several module mounting parts 21 along its circumference. The multiple arc motor modules 1 are evenly fixed on the module mounting parts 21 of the housing 2 along the circumference. There is no magnetic coupling between the multiple arc motor modules 1. Each arc motor module 1 includes an iron core and windings.

[0056] The structure of the arc motor is as follows Figure 4 As shown, the right end cover 3 and the left end cover 4 are fixed to both ends of the housing 2, respectively. The rotating shaft 5 is connected to both end covers via bearings (not shown). The rotor 6 and the fan 7 are both fixed on the rotating shaft 5, and the rotor 6 is located inside the arc-shaped motor module 1. The structure of the right end cover 3 is as follows: Figure 5 As shown, multiple heat dissipation holes 31 and shaft holes 32 are respectively provided on the right end cover 3. The shaft holes 32 are used to install the rotating shaft 5, and the multiple heat dissipation holes 31 are used to facilitate the discharge of hot air from inside the motor to cool the motor. The circumferential positions of the multiple heat dissipation holes 31 correspond to the circumferential positions of the module mounting part 21, for example, as shown in the figure. Figure 6 As shown, the circumferential position of each module mounting part 21 is the same as the circumferential position of each heat dissipation hole 31, or as shown... Figure 7 As shown, the circumferential position of each module mounting part 21 is the same as the circumferential position of some of the heat dissipation holes 31 among the plurality of heat dissipation holes 31.

[0057] like Figure 8 and Figure 9 As shown, the arc-shaped motor is mounted on a fixture, which includes a mounting bracket 8, a pin 9, a spring 10, and a base 11. The mounting bracket 8 is fixed to the base 11. The mounting bracket 8 has a pin hole 813, and the pin 9 is movably connected to the mounting bracket 8 through the pin hole 813. A spring 10 is provided between the pin 9 and the mounting bracket 8. Figure 8As shown, the mounting bracket 8 includes a lower mounting bracket 81, an upper mounting bracket 82, and bolts 83. The lower mounting bracket 81 and the upper mounting bracket 82 are movably connected by a hinge. The lower mounting bracket 81 is provided with a lower semi-circular groove 811, a lower screw hole 812, and a pin hole 813. The upper mounting bracket 82 is provided with an upper semi-circular groove 821 and an upper screw hole 822. When the lower mounting bracket 81 and the upper mounting bracket 82 are closed, the lower semi-circular groove 811 and the upper semi-circular groove 821 together form a through hole for placing the rotating shaft 5. Rubber gaskets are respectively provided in the lower semi-circular groove 811 and the upper semi-circular groove 821. The bolt 83 can be threadedly connected to both the lower screw hole 812 and the upper screw hole 822 simultaneously, and the pin 9 can pass through the pin hole 813.

[0058] The production method for modular arc motors proposed in this invention utilizes the arc motor module 1 to drive the housing 2 to rotate. During the motor assembly process, the method achieves the purpose of detecting the pass rate of the arc motor module 1, simplifies the structure of the assembly tooling, reduces the production difficulty, and greatly shortens the overall production cycle of the arc motor.

[0059] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A method for producing a modular arc-shaped motor, the arc-shaped motor comprising an end cover, a housing, a rotor, a shaft, and multiple arc-shaped motor modules, wherein the housing is provided with multiple module mounting portions evenly distributed along its circumference for mounting the arc-shaped motor modules, characterized in that, The production method is achieved by an installation fixture, which includes a support part for supporting the arc-shaped motor and an elastic insertion part movably disposed on the support part. The elastic insertion part cooperates with the insertion hole disposed on the end cover to fix the arc-shaped motor. The production method includes the following steps: S1. Fix the rotor to the rotating shaft to form a rotor assembly, and assemble the rotor assembly, end cover and housing to form an intermediate assembly; S2. Place both ends of the intermediate assembly shaft on the support part, rotate the intermediate assembly to make the module mounting part in the predetermined position, insert the elastic plug part into the plug hole of the end cover, and then lock the shaft by the locking mechanism provided on the support part. The support includes a base and a mounting bracket disposed on the base. The mounting bracket includes a lower mounting bracket and an upper mounting bracket that are movably connected. A through hole for placing a rotating shaft is provided between the lower mounting bracket and the upper mounting bracket. The through hole is formed by a lower semicircular groove disposed on the lower mounting bracket and an upper semicircular groove disposed on the upper mounting bracket. Rubber gaskets are provided in both the lower semicircular groove and the upper semicircular groove. The resilient plug-in part includes a pin that is movably connected to the mounting bracket and a spring disposed between the pin and the mounting bracket. The pin can pass through the mounting bracket to the heat dissipation hole. S3. After fixing the arc motor module to be installed at the module mounting part in the predetermined position, connect the winding of the arc motor module to the motor drive controller. S4. Pull the elastic plug out of the plug hole of the end cover, apply the set current to the motor drive controller, and detect whether the module mounting part at the next adjacent location can be rotated to the predetermined position. If it can be rotated to the predetermined position, proceed to step S5. If the motor cannot be rotated to the predetermined position, remove the arc motor module, replace it with a new arc motor module, and repeat step S3. S5. Insert the flexible connector into the socket of the end cap, disconnect the winding from the motor drive controller, and repeat step S3. Repeat this process until all arc motor modules are installed.

2. The method for producing a modular arc-shaped motor according to claim 1, characterized in that, The insertion holes are heat dissipation holes evenly arranged along the circumference of the end face of the end cap. There are several heat dissipation holes, and the circumferential position of the heat dissipation holes corresponds to the circumferential position of the module mounting part.

3. The method for producing a modular arc-shaped motor according to claim 2, characterized in that, The circumferential position of the module mounting part corresponds to the circumferential position of some of the plurality of heat dissipation holes.

4. The method for producing a modular arc-shaped motor according to claim 2, characterized in that, The circumferential position of the module mounting part corresponds one-to-one with the circumferential position of the heat dissipation hole.

5. The method for producing a modular arc-shaped motor according to claim 1, characterized in that, The locking mechanism includes a bolt, a lower screw hole on the lower mounting bracket, and an upper screw hole on the upper mounting bracket, with the bolt disposed in the upper screw hole.

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