New energy automobile electric drive press-fitting equipment and using method thereof

Abstract

The invention relates to new energy automobile electric drive press-fitting equipment and a using method thereof. The new energy automobile electric drive press-fitting equipment comprises a hot jacket press-fitting device, a stator and rotor combination device and a rotor press-fitting device. The shrinkage fit press-fitting device comprises shrinkage fit equipment, an objective table, a floating supporting table and a floating device. The hot jacket equipment is used for heating the electric drive shell, and the floating device is used for grabbing the stator and putting the stator into the heated electric drive shell; the rotor press-fitting device comprises a pressure head guide device and a pressing block; the pressing block is driven up and down through the electric cylinder and is used for pressing the pressing head on the rotor; the stator and rotor assembling device comprises a pressing device, a speed reducer, a pressing device, a holding claw and an object dragging table; the object dragging table is used for bearing the electric drive shell heated at the first station, the speed reducer is used for mounting a rotor, the holding claw is used for holding the electric drive shell, and the pressing device is driven by the motor to descend to assemble the stator and the rotor; the problem of coaxiality error of stator and rotor assembly is solved, and the influence of magnetic force between the stator and the rotor on assembly is overcome.

Description

Technical Field

[0001] The present invention belongs to the technical field of press-fitting machines, and relates to a new energy vehicle electric drive press-fitting device, in particular to a multi-model new energy vehicle electric drive press-fitting device. Background Art

[0002] In the assembly process of new energy motors, the stator and rotor assembly equipment is a key link, but there are some problems in this link, mainly including the following aspects: 1) Insufficient equipment automation: The automation level of the equipment is not high enough, and a lot of manual intervention is still required, which not only affects production efficiency, but also increases the risk of poor assembly due to manual operation; 2) Assembly efficiency issues: Some equipment is slow in the assembly process, especially when dealing with larger or more complex stators and rotors, the efficiency problem is particularly prominent, and it cannot meet the needs of mass production; 3) Equipment compatibility issues: The assembly of motor stators and rotors of different types and specifications requires different equipment or equipment adjustments. The compatibility and flexibility of existing equipment are insufficient, resulting in frequent equipment switching and long adjustment time. The existence of these problems affects the production efficiency and quality of new energy motors. Therefore, improvements are needed in equipment upgrades, automation level improvement, and process optimization. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the above-mentioned problems existing in the prior art and provide a new energy vehicle electric drive press-fitting device. The present invention has a reasonable design and a compact structure. By designing an electric drive press-fitting device, the problem of coaxiality error of stator and rotor assembly is solved, and the influence of magnetic force between the stator and rotor on assembly is overcome.

[0004] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0005] In order to solve the above technical problems, the present invention is implemented by adopting the following technical solutions:

[0006] A new energy vehicle electric drive press-fitting device, comprising a shrink-fit press-fitting device, a stator-rotor assembly device and a rotor press-fitting device;

[0007] The shrink fitting device comprises a shrink fitting device 104, a loading platform 105, a floating support platform 109, and a floating device 112;

[0008] The loading platform 105 and the floating support platform 109 are arranged on the first station slide, and the heat-shrinking device 104 and the floating device 112 are arranged above them; the heat-shrinking device 104 is used to heat the electric drive housing, and the floating device 112 is used to grab the stator and put the stator into the heated electric drive housing;

[0009] The rotor press-fitting device comprises a press head guide device 301 and a pressing block 307;

[0010] The pressing block 307 is arranged below the pressing head guide device 301, and the pressing block 307 is driven up and down by an electric cylinder to press the pressing head onto the rotor;

[0011] The stator-rotor assembly device includes a pressing device 201, a reducer 206, a clamping device 207, a claw 208, and a towing platform 210;

[0012] The reducer 206 and the object-pulling platform 210 are arranged on the slide of the second workstation; the object-pulling platform 210 is used to hold the electric drive housing heated at the first workstation, the reducer 206 is used to install the rotor, a clamping device 207 is correspondingly arranged above the reducer 206, and a claw 208 is arranged on the clamping device 207. The claw 208 is used to clamp the electric drive housing. The clamping device 208 is driven by the motor to descend and assemble the stator and rotor.

[0013] Furthermore, the pressing heads are provided in different models and are press-fitted onto the rotor.

[0014] Furthermore, the shrink fitting device 104 is provided with a slot structure for replacing the heating head in different types of shrink fitting devices, which can heat different types of electric drive housings to adapt to different types of stators and adapt the stators to match the pressure heads on different types of rotors.

[0015] Furthermore, a new energy vehicle electric drive press-fitting device further includes a vertical guide rail 202 and a positioning bearing 209;

[0016] The clamping device 207 moves the vertical guide rail 202 downward through the action of the electric cylinder, and the positioning bearing 209 is used to position the electric drive housing.

[0017] Furthermore, a new energy vehicle electric drive press-fitting device further includes a fastening bolt 203;

[0018] The fastening bolt 203 is used to lock the electric drive housing.

[0019] Furthermore, a new energy vehicle electric drive press-fitting device also includes a height detection device;

[0020] The floating platform 109 is adjusted up and down according to height requirements, and the height detection device is used to detect the adjusted height of the floating platform 109.

[0021] A method for using a new energy vehicle electric drive press-fitting device, characterized in that:

[0022] The workstation where the shrink fitting press-fit device is located is the first workstation, the position where the stator-rotor assembly device is located is the second workstation, and the workstation where the rotor assembly device is located is the third workstation; the shrink fitting press-fit device at the first workstation presses the stator and the rotor assembly head at the third workstation press simultaneously or successively, and then the stator-rotor assembly is carried out at the second workstation.

[0023] Furthermore, at the first station: the loading platform 105 and the floating support 109 slide outward, and the electric drive housing and the stator are respectively placed in the loading platform 105 and the floating support 109 by manual handling, and the first station slide slides into the shrink fitting device, and the electric drive housing is adjusted to be directly below the shrink fitting device 104; the shrink fitting device 104 is driven downward by the cylinder 110 to heat the electric drive housing, and the stator gripper 111 grabs the stator in the floating support 109; the first station slide moves horizontally, and the heated electric drive housing is located below the stator gripper 111, and the stator gripper 111 descends to place the stator into the heated electric drive housing.

[0024] Furthermore, the third workstation: manually place the rotor 303 on the rotor placement table 308, load the rotor 303 into the corresponding pressure head, manually carry it to the rotor support 305 on the base 306, adjust the rotor support 305 to adjust the rotor to be directly below the clamping block 307, and the electric cylinder drives the clamping block 307 to move downward along the direction of the pressure head guide device 301, so that the rotor and the pressure head are clamped, and the clamping block 307 returns to its original position.

[0025] Furthermore, the second station slide slides out, and the electric drive housing that has been heated at the first station is manually moved to the towing platform 210 on the second station slide next to the reducer 206. The second station slide is reset, and the top of the towing platform 210 is aligned with the clamping device 207; the clamping device 207 moves downward along the vertical guide rail 202 under the action of the electric cylinder, and the positioning bearing 209 positions the electric drive housing; the claws 208 clamp the electric drive housing, and the tightening bolts 203 lock the electric drive housing, and the clamping device 208 rises, and the reducer 206 is manually hoisted and placed on the second station slide, the second station slide is translated, and the top of the reducer 206 is aligned with the clamping device 207, and then the rotor and wave spring pressed at the third station are manually moved and pressed into the reducer 206, and the clamping device 208 is driven by the electric cylinder to descend to assemble the stator and rotor.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The present invention not only ensures the consistent assembly quality of each product, but also avoids the differences that may occur in manual operation, thus improving the overall quality of the product; at the same time, by replacing the tooling, the one-machine multi-function multi-model motor press-assembly function can be realized, and the rotor assembly and stator assembly automatic material taking and automatic assembly function can be realized, thus improving the production assembly efficiency and reducing the labor and space problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below in conjunction with the accompanying drawings:

[0029] Figure 1 It is a structural schematic diagram of the shrink-fitting device;

[0030] Figure 2 for Figure 1 Schematic diagram of the structure of the middle loading platform and the floating support platform;

[0031] Figure 3a Schematic diagram of the stator-rotor assembly device Figure 1 ;

[0032] Figure 3b Schematic diagram of the stator-rotor assembly device Figure 2 ;

[0033] Figure 4 It is a schematic diagram of the structure of the rotor press-fitting device;

[0034] Figure 5 This is a schematic diagram of the track used by the electric cylinder;

[0035] Figure 6 It is a schematic diagram of the card slot structure of the heat-shrinkable equipment;

[0036] Figure 7 It is a schematic diagram of the height detection device and the floating support structure;

[0037] Figure 8 It is a cross-sectional view of the height detection device and the floating support structure;

[0038] Figure 9a It is a schematic diagram of the floating device structure;

[0039] Figure 9b It is a cross-sectional view of the floating device structure;

[0040] Fig.10 It is a schematic diagram of the structure of the clamping device;

[0041] Fig.11a It is a schematic diagram of the structure for fastening bolts;

[0042] Fig.11b A cross-sectional view of a structure for fastening bolts;

[0043] Fig.12aThis is a schematic diagram of the rotor being installed on the reducer;

[0044] Figure 12b This is a cross-sectional view of the rotor installed on the reducer;

[0045] Fig.13 This is a schematic diagram of the positioning structure of the positioning bearing;

[0046] Fig.14a This is a schematic diagram of the stator and rotor after being tightly embraced;

[0047] Fig.14b This is a cross-sectional view after the stator and rotor are tightly embraced;

[0048] Fig.15a Schematic diagram of the pressure head structure Figure 1 ;

[0049] Fig.15b Sectional view of the pressure head structure Figure 1 ;

[0050] Fig.16a Schematic diagram of the pressure head structure Figure 2 ;

[0051] Fig.16b Sectional view of the pressure head structure Figure 2 ;

[0052] Fig.17a The third schematic diagram of the pressure head structure;

[0053] Fig.17b The third cross-sectional view of the pressure head structure;

[0054] Fig.18 Schematic diagram of the pressing head with different structures for pressing the pressing block;

[0055] Fig.19 Schematic diagram of different pressure head structures installed on the rotor;

[0056] Fig. 20 This is a schematic diagram of the overall structure of the new energy vehicle electric drive press equipment Figure 1 ;

[0057] Fig.21 This is a schematic diagram of the overall structure of the new energy vehicle electric drive press equipment Figure 2 ;

[0058] Fig. 22 Schematic diagram of the overall structure of the electric drive press-fitting equipment for new energy vehicles;

[0059] In the figure: 101: electric cylinder; 102: power supply device; 103: water system; 104: shrink fitting device; 105: loading platform; 106: positioning bolt; 107: height detection device; 108: housing positioning support; 109: floating support platform; 110: cylinder; 111: stator gripper; 112: floating device; 201: pressing device; 202: vertical guide rail; 203; fastening bolt; 204: pneumatic guide rail; 205: quick-change knob; 206: reducer; 207: clamping device; 208: claw; 209: positioning bearing; 301: pressure head guide device; 302: single rail double slider; 303: rotor; 304: adjusting bolt; 305: rotor support platform; 306: base; 307: clamping block; 308: rotor placement table. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical scheme and advantages of the implementation of the present invention clearer, the technical scheme in the embodiment of the present invention will be described in more detail below in conjunction with the drawings in the embodiment of the present invention. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the present invention, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present invention, and cannot be understood as limiting the present invention. In the description of the present invention, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0061] The purpose of the present invention is to provide a multi-model new energy vehicle electric drive press-fitting equipment, which solves the coaxiality error of the stator and rotor assembly, overcomes the influence of the magnetic force between the stator and rotor on the assembly, and can complete the purpose of production without a large amount of manpower operation. The present invention has a reasonable design and a compact structure. By designing an electric drive press-fitting equipment, the coaxiality error of the stator and rotor assembly is solved, and the influence of the magnetic force between the stator and rotor on the assembly is overcome. The production and assembly efficiency is improved, and the labor and space problems are reduced.

[0062] See also Figure 1 , Figure 2 , Figure 3a , Figure 3b , Figure 4 , Fig. 20 , Fig.21 , Fig. 22The specific implementation method of the present invention is a multi-model new energy vehicle electric drive press-fitting equipment, which comprises a shrink-fit press-fitting device, a stator-rotor assembly device and a rotor press-fitting device.

[0063] The shrink fitting device includes a motor 101, a power supply device 102, a water system 103, a shrink fitting device 104, a stage 105, a positioning bolt 106, a height detection device 107, a housing positioning support 108, a floating support 109, a cylinder 110, a stator gripper 111, and a floating device 112; the stage 105 and the floating support 109 are arranged on the first station slide, and the shrink fitting device 104 and the floating device 112 are correspondingly arranged above; the shrink fitting device 104 is used to heat the electric drive housing, and the floating device 112 is used to grab the stator and put the stator into the heated electric drive housing.

[0064] See also Fig.21 The station where the shrink-fitting device is located is the first station. Figure 2 The loading platform 105 and the floating support 109 shown in the figure slide outward, and the electric drive housing and the stator are respectively placed in the loading platform 105 and the floating support 109 above the housing positioning support 108 by manual handling, and the first station slide slides in. The first station slide slides into the shrink fit press device, and the electric drive housing is adjusted to directly below the shrink fit device 104 by the positioning bolts 106. The power supply device 102 supplies power to the shrink fit device 104 for heating. After the heating is completed, the shrink fit device 104 is driven downward by the cylinder 110 to heat the electric drive housing. After the heating is completed, the heating head of the shrink fit device 104 is reset. The stator gripper 111 grabs the stator in the floating support 109 above the housing positioning support 108, and the fastening bearing in the floating device 112 is used to ensure that the stator will not shift left and right when being picked up and placed, as shown in FIG. Figure 9a , Figure 9b The slide table moves horizontally, and the heated electric drive housing is located below the stator gripper 111, and the stator gripper 111 descends to place the stator into the heated electric drive housing.

[0065] like Figure 6 As shown, the heat-fitting device 104 is provided with a slot structure for replacing the heating head in the heat-fitting device of different models, and can heat the electric drive housing of different models to adapt to the stators of different models, and further adapt to the matching with the pressure heads on the rotors of different models. Figure 7 , Figure 8 As shown, the floating platform can be adjusted up and down according to height requirements, and the height detection device 107 is used to detect the adjusted height.

[0066] See also Figure 3a , Figure 3bThe stator-rotor assembly device includes a pressing device 201, a vertical guide rail 202, a fastening bolt 203, a pneumatic guide rail 204, a quick-change knob 205, a reducer 206, a clamping device 207, a gripping claw 208, a positioning bearing 209, and a dragging platform 210; the reducer 206 and the dragging platform 210 are arranged on the second station slide; the dragging platform 210 is used to hold the electric drive housing heated at the first station, the reducer 206 is used to install the rotor, and a clamping device 207 is correspondingly arranged above, and a gripping claw 208 is arranged on the clamping device 207, and the gripping claw 208 is used to grip the electric drive housing, and the clamping device 208 is driven by the electric cylinder to descend to assemble the stator and rotor.

[0067] See also Fig. 20 The position of the stator-rotor assembly device is the second station. The second station slide slides out, and the electric drive housing that has been heated in the first station is manually moved to the dragging platform 210 on the second station slide next to the reducer 206. The second station slide is reset, and the top of the dragging platform 210 is aligned with the clamping device 207. The clamping device 207 moves down along the vertical guide rail 202 under the action of the electric cylinder, and the positioning bearing 209 positions the electric drive housing, such as Fig.13 As shown; the claw 208 holds the electric drive housing tightly, and the fastening bolt 203 locks the electric drive housing, as shown Fig.10 , Fig.11a , Fig.11b The clamping device 208 is raised, and the reducer 206 is manually hoisted and placed on the second station slide. The second station slide is translated, and the reducer 206 is aligned with the clamping device 207. Then, the rotor and wave spring pressed at the third station are manually moved and pressed into the reducer 206. The clamping device 208 is driven by the motor to descend and assemble the stator and rotor. Fig.12a , Figure 12b The electric cylinder is Figure 5 The slide rail shown slides to the corresponding station according to the needs of the second station or the third station, and is used to drive the clamping device 208 or the clamping block 307 to move up and down. The quick-change knob 205 is used to quickly switch the reducer 206 to the position where it is placed on the second station slide.

[0068] See also Figure 4 The rotor pressing device includes a pressing head guide device 301, a single-track double slider 302, a rotor 303, an adjusting bolt 304, a rotor support 305, a base 306, a pressing block 307, and a rotor placement platform 308; the pressing block 307 is arranged below the pressing head guide device 301, and is driven up and down by an electric cylinder to press pressing heads of different types on the rotor. Fig.19 , Fig. 22, manually place the rotor 303 on the rotor placement table 308, load the rotor 303 into the corresponding pressure head, and manually carry it to the rotor support 305 on the base 306, adjust the rotor support 305 to adjust the rotor to be directly below the clamping block 307, and the electric cylinder drives the clamping block 307 to move downward along the direction of the pressure head guide device 301, clamp the rotor and the pressure head, and the clamping block 307 returns to its original position.

[0069] Different structures of pressure heads can be equipped according to the shape and size of the rotor and stator. Fig.15a , Fig.15b , Fig.16a , Fig.16b , Fig.17a , Fig.17b , Fig.18 , Fig.19 . Then assemble it with the stator. Fig.14a , Fig.14b The stator can also be adapted to stators of different structures according to the pressure head installed on the rotor.

[0070] The present invention can adopt a brake electric cylinder, which is directly installed on the slide plate, and the flange surface is on the end cover. The electric cylinder is connected to the pressure calibration device above and below, and the pressure calibration device can be freely disassembled. The tooling plate is connected by two screws and then directly locked on the pole plate by pin positioning. The extended structure adopts a 600 stroke Mitsubishi linear guide; in the shrink-fit press-fit station, the stator and the shell are placed in a manual loading manner, the slide slides in, the heating head descends to heat the shell, the gripper grabs the stator, and after the heating is completed, the heating head is reset, the slide translates, and the gripper descends to close the stator into the shell; in the assembly station, the reducer is manually hoisted in, the stator casing assembly is manually transferred from the shrink-fit station, the slide slides in, the gripper grabs the stator casing assembly, the slide translates, the wave spring and the rotor are manually installed, the gripper descends for automatic assembly, and 3 or more box bolts are pre-tightened; in the press-fit station, the parts are manually loaded into the corresponding press head, the press head is sleeved on the rotor, and the electric cylinder drives the slide to press down to complete the press fitting. The shrink fitting at the first station and the rotor fitting at the third station can be carried out simultaneously or successively, and then the stator and rotor assembly at the second station can be carried out.

[0071] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any modification, equivalent replacement and improvement made by any person skilled in the art within the technical scope disclosed by the present invention and within the spirit and principle of the present invention shall be covered within the protection scope of the present invention. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A new energy vehicle electric drive press-fitting device, characterized in that: It includes a shrink-fit press device, a stator-rotor assembly device and a rotor press device; The shrink-fitting device comprises a shrink-fit device (104), a loading platform (105), a floating support platform (109), and a floating device (112); The loading platform (105) and the floating support platform (109) are arranged on the first station slide, and a heat-shrink device (104) and a floating device (112) are arranged above them; the heat-shrink device (104) is used to heat the electric drive housing, and the floating device (112) is used to grab the stator and put the stator into the heated electric drive housing; The rotor pressing device comprises a pressing head guide device (301) and a pressing block (307); The pressing block (307) is arranged below the pressing head guide device (301), and the pressing block (307) is driven up and down by an electric cylinder to press the pressing head onto the rotor; The stator-rotor assembly device comprises a pressing device (201), a reducer (206), a pressing device (207), a claw (208), and a towing platform (210); The reducer (206) and the object-pulling platform (210) are arranged on the second station slide; the object-pulling platform (210) is used to hold the electric drive housing heated at the first station, the reducer (206) is used to install the rotor, a clamping device (207) is correspondingly arranged above the reducer (206), a clamping claw (208) is arranged on the clamping device (207), the clamping claw (208) is used to clamp the electric drive housing, and the clamping device (208) is driven by the motor to descend to assemble the stator and rotor.

2. The new energy vehicle electric drive press-fitting equipment according to claim 1 is characterized in that: The pressure heads are arranged in different models and are press-fitted onto the rotor.

3. The new energy vehicle electric drive press-fitting equipment according to claim 2 is characterized in that: The shrink fitting device (104) is provided with a slot structure for replacing heating heads in shrink fitting devices of different models, and is capable of heating electric drive housings of different models to adapt to stators of different models, and to adapt stators to match pressure heads on rotors of different models.

4. The new energy vehicle electric drive press-fitting equipment according to claim 1 is characterized in that: It also includes a vertical guide rail (202) and a positioning bearing (209); The clamping device (207) moves the vertical guide rail (202) downward through the action of the electric cylinder, and the positioning bearing (209) is used to position the electric drive housing.

5. The new energy vehicle electric drive press-fitting equipment according to claim 1 is characterized in that: Also includes a fastening bolt (203); The fastening bolt (203) is used to lock the electric drive housing.

6. The new energy vehicle electric drive press-fitting equipment according to claim 1 is characterized in that: Also includes a height detection device; The floating support platform (109) is adjusted up and down according to height requirements, and the height detection device is used to detect the adjusted height of the floating support platform (109).

7. A method for using a new energy vehicle electric drive press-fitting device according to any one of claims 1 to 6, characterized in that: The workstation where the shrink fitting press-fit device is located is the first workstation, the position where the stator-rotor assembly device is located is the second workstation, and the workstation where the rotor assembly device is located is the third workstation; the shrink fitting press-fit device at the first workstation presses the stator and the rotor assembly head at the third workstation press simultaneously or successively, and then the stator-rotor assembly is carried out at the second workstation.

8. The method for using the electric drive press-fitting device for new energy vehicles according to claim 7 is characterized in that: First station: the loading platform (105) and the floating support platform (109) slide outwards, and the electric drive housing and the stator are respectively placed in the loading platform (105) and the floating support platform (109) by manual handling, and the first station slide slides into the shrink fitting press device, and the electric drive housing is adjusted to be directly below the shrink fitting device (104); the shrink fitting device (104) is driven downward by the cylinder (110) to heat the electric drive housing, and the stator gripper (111) grabs the stator in the floating support platform (109); the first station slide moves horizontally, and the heated electric drive housing is located below the stator gripper (111), and the stator gripper (111) descends to place the stator into the heated electric drive housing.

9. The method for using the electric drive press-fitting device for new energy vehicles according to claim 8 is characterized in that: The third workstation: manually place the rotor (303) on the rotor placement platform (308), load the rotor (303) into the corresponding pressure head, and manually carry it to the rotor support platform (305) on the base (306). Adjust the rotor support platform (305) to adjust the rotor to the position directly below the pressing block (307). The electric cylinder drives the pressing block (307) to move downward along the direction of the pressure head guide device (301), so that the rotor and the pressure head are pressed, and the pressing block (307) returns to its original position.

10. The method for using the electric drive press-fitting equipment for new energy vehicles according to claim 9, characterized in that: The second station slide slides out, and the electric drive housing that has been heated at the first station is manually moved to the dragging platform (210) on the second station slide next to the reducer (206). The second station slide is reset, and the top of the dragging platform (210) is aligned with the clamping device (207); the clamping device (207) moves down along the vertical guide rail (202) under the action of the electric cylinder, and the positioning bearing (209) positions the electric drive housing; the claws (208) clamp the electric drive housing, and the tightening bolts (203) lock the electric drive housing, and the clamping device (208) rises, and the reducer (206) is manually hoisted and placed on the second station slide, and the second station slide is translated, and the top of the reducer (206) is aligned with the clamping device (207), and then the rotor and wave spring pressed at the third station are manually moved and pressed into the reducer (206), and the clamping device (208) is driven by the electric cylinder to descend to assemble the stator and rotor.

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