Rotor pre-assembly equipment

Abstract

The utility model discloses a rotor pre-assembling device which comprises a working platform, a rotor tool and a cover plate tool are installed on the working platform side by side, a rotor assembly is arranged on the rotor tool in a supporting mode, and a rotor cover plate is arranged on the cover plate tool in a supporting mode. A jacking force bearing mechanism and a jacking mechanism which are respectively opposite to the rotor tool and the cover plate tool up and down are arranged below the working platform, and a plurality of groups of pressure head assemblies which are arranged in parallel are arranged above the working platform through a pressure head transverse moving mechanism; the press-fitting device further comprises press-fitting power, the press-fitting power is connected to the top of one pressing head assembly, and the corresponding pressing head assembly is driven by the press-fitting power to move downwards. The rotor tool and the cover plate tool are jacked up by the jacking force bearing mechanism and the jacking mechanism, and a plurality of parts including an oil seal, a bearing and a clamp spring can be mounted on one station through a group of press-fitting power, so that manual operation and lifting rhythm are effectively reduced, pre-assembly of a rotor in a motor before the rotor enters a box is realized, and improvement is facilitated to guarantee efficiency.

Description

Technical Field

[0001] This utility model relates to the field of motor assembly equipment technology, and in particular to a rotor pre-assembly equipment. Background Technology

[0002] Before the rotor of a new energy motor is placed into the housing, components such as bearings, snap rings, oil seals, and cover plates need to be installed.

[0003] In existing technologies, the installation of components before the rotor enters the housing is usually carried out in stages on multiple machines and through multiple processes. The entire process relies mainly on personnel for moving and operating, which is cumbersome, labor-intensive, inefficient, and dangerous. Utility Model Content

[0004] To address the aforementioned issues, this application provides a rotor pre-assembly device with a reasonable structure, thereby effectively reducing manual operations, increasing cycle time, and enabling pre-assembly of the rotor in the motor before it enters the housing, thus helping to improve efficiency.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A rotor pre-assembly device includes a working platform on which rotor fixtures and cover plate fixtures are mounted side by side. A rotor assembly is supported on the rotor fixtures, and a rotor cover plate is supported on the cover plate fixtures. A lifting bearing mechanism and a lifting mechanism are installed below the working platform, respectively facing the rotor fixtures and cover plate fixtures vertically. Multiple sets of pressure head assemblies are mounted side by side above the working platform via a pressure head lateral movement mechanism. The device also includes a pressing power source connected to the top of one set of pressure head assemblies, which drives the corresponding pressure head assembly to move downward.

[0007] As a further improvement to the above technical solution:

[0008] It also includes a support frame, with the working platform located inside the support frame. The pressing power is installed on the top surface of the support frame via the pressing transverse movement mechanism, and the pressing head transverse movement mechanism is installed on the inner top surface of the support frame.

[0009] The pressing transverse movement mechanism moves in the same direction as the pressing head transverse movement mechanism. The pressing power is mounted on the pressing transverse movement mechanism. Multiple vertical guide rails are mounted side by side on the side of the pressing head transverse movement mechanism. The pressing head assembly is slidably mounted on the corresponding vertical guide rail. The pressing head transverse movement mechanism is equipped with a positioning mechanism that corresponds to the pressing head assembly. The positioning mechanism is horizontally inserted into the pressing head block of the corresponding pressing head assembly.

[0010] The pressure head transverse shift seat is mounted on the support plate via the pressure head transverse shift guide rail, and the support plate is mounted on the inner side of the support frame via the support; the back of the pressure head transverse shift seat is equipped with transverse shift blocks that correspond one-to-one with the pressure head assembly, and the support plate is equipped with a insertion cylinder, which is horizontally inserted into one of the transverse shift blocks.

[0011] The bottom of the pressing power unit is equipped with an inverted T-shaped connecting block, and the top of the pressing head assembly is provided with an inverted T-shaped slot. The pressing lateral movement mechanism drives the pressing power unit to move horizontally, so that the connecting block is fitted into the T-shaped slot.

[0012] The pressure head assembly includes, but is not limited to, an oil seal pressure head assembly, a bearing pressure head assembly, and a snap ring pressure head assembly. The bottom end of the oil seal pressure head assembly is fitted with an oil seal, which is pressed onto the rotor cover plate by the downward movement of the oil seal pressure head assembly. The bottom end of the bearing pressure head assembly is fitted with a bearing and a bearing cover plate, which are pressed onto the rotor assembly by the downward movement of the bearing pressure head assembly. The downward movement of the snap ring pressure head assembly presses the snap ring onto the rotor assembly.

[0013] The working platform is a turntable, which is located inside the support frame. Multiple workstations are arranged on the turntable along the rotation direction, including but not limited to a loading workstation for loading rotor assemblies and rotor cover plates, an assembly workstation for installing oil seals, bearings, and snap rings onto rotor assemblies or rotor cover plates, a pressing workstation for moving and pressing rotor cover plates onto rotor assemblies, and a unloading workstation for unloading the pressed rotor assemblies.

[0014] The lifting mechanism has the following structure: it includes a bracket, on which a lifting cylinder with its output end facing upward is mounted, and a lifting seat is mounted on the output end of the lifting cylinder. A guide assembly is installed between the lifting seat and the bracket. The top surface of the lifting seat extends into the working platform via a protruding column to push the cover plate fixture. A lifting support column, which is driven to move by a side-shifting cylinder, is also slidably mounted on the top surface of the bracket.

[0015] The lifting support mechanism has the following structure: it includes a bracket, a guide column is installed through the upper and lower parts of the bracket, a second lifting seat is installed at the top of the guide column, a suspension is installed at the bottom of the guide column, a second lifting cylinder with its output end facing downward is installed on the bracket, and the output end of the second lifting cylinder is connected to the suspension; a second lifting support is slidably installed on the top surface of the bracket, which is driven to move by the second side-shifting cylinder, and a second lifting column is installed on the side-shifting support.

[0016] A load-bearing cylinder is installed below the support, and a core column is installed at the upward-facing output end of the load-bearing cylinder. The core column is moved up to the end and supported in the middle of the rotor assembly. A bushing is installed on the support and is fitted around the core column. The bushing has a through notch. A mounting seat is installed on the side shift seat and is mounted on the neck of the core column through the notch.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] This utility model uses a lifting support mechanism to lift the rotor fixture and cover plate fixture. Through a set of pressing power, multiple components, including oil seals, bearings, and snap rings, can be installed in one station, thereby effectively reducing manual operation, increasing cycle time, realizing the pre-assembly of the rotor in the motor before it enters the box, and helping to improve efficiency.

[0019] This utility model also has the following advantages:

[0020] The pressing head assembly and pressing power are provided with lateral movement in the same direction, which makes it easy to move the pressing head assembly and pressing power to the preset position according to the actual action and needs, and also facilitates the connection between the pressing power and the corresponding pressing head assembly.

[0021] After the pressing power drives the preset pressing head assembly to press down and move up, before the pressing power is switched to other pressing head assemblies, the corresponding pressing head assembly will be positioned and restricted by the horizontal insertion of the positioning mechanism; after the pressing head transverse shift seat moves horizontally and moves the preset pressing head assembly to the corresponding position, the insertion cylinder can push the transverse shift block to accurately position the pressing head transverse shift seat in the transverse direction.

[0022] During operation, the lifting mechanism lifts the cover plate fixture relative to the working platform, and the lifting support mechanism lifts the rotor fixture relative to the working platform, effectively reducing or even avoiding the stress on the working platform when the pressing power moves downward. Furthermore, the lifting support mechanism can also support the rotor assembly from the middle of the bottom surface by lifting the core column, effectively preventing other parts of the rotor assembly from being stressed when the pressing power moves downward. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model.

[0024] Figure 2 This is a schematic diagram of the press head transverse movement mechanism and press-fitting power of this utility model.

[0025] Figure 3 This is a schematic diagram of the structure of the pressure head transverse movement mechanism of this utility model.

[0026] Figure 4 This is a cross-sectional view of the bottom end of the bearing pressure head assembly of this utility model.

[0027] Figure 5 This is a structural schematic diagram of the lifting mechanism and lifting load-bearing mechanism of this utility model.

[0028] Figure 6 This is an exploded view of the lifting and supporting mechanism of this utility model.

[0029] The components include: 1. Working platform; 2. Press head lateral movement mechanism; 3. Oil seal press head assembly; 4. Bearing press head assembly; 5. Snap ring press head assembly; 6. Pressing power; 7. Lifting mechanism; 8. Lifting load-bearing mechanism; 9. Positioning mechanism; 10. Rotor assembly; 20. Rotor cover plate; 30. Bearing; 40. Bearing cover plate.

[0030] 11. Rotor fixture; 12. Cover plate fixture; 13. Support frame; 14. Bracket;

[0031] 21. Insert cylinder; 22. Support; 23. Press head transverse shift seat; 24. Press head transverse shift guide rail; 25. Press head transverse shift force; 26. Support plate; 27. Transverse shift insert block;

[0032] 41. Stepped surface; 42. Elastic pin one; 43. Elastic pin two;

[0033] 60. Press-fitting transverse movement mechanism; 61. Press-fitting transverse movement guide rail; 62. Press-fitting transverse movement seat; 63. Press-fitting transverse movement force; 600. Connecting block;

[0034] 71. Lifting cylinder 1; 72. Side shifting cylinder 1; 73. Lifting support column 1; 74. Lifting seat 1;

[0035] 80. Mounting seat; 81. Load-bearing cylinder; 82. Suspension; 83. Lifting cylinder II; 84. Side-shifting cylinder II; 85. Lifting strut II; 86. Lifting seat II; 87. Side-shifting seat; 88. Bushing; 89. Core column; 890. Neck;

[0036] 90. T-shaped bayonet; 91. Vertical guide rail; 92. Pressure head insert. Detailed Implementation

[0037] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0038] like Figure 1 As shown, a rotor pre-assembly device in this embodiment includes a working platform 1, on which a rotor fixture 11 and a cover plate fixture 12 are mounted side by side. The rotor fixture 11 supports and holds a rotor assembly 10, and the cover plate fixture 12 supports and holds a rotor cover plate 20. Below the working platform 1, a lifting bearing mechanism 8 and a lifting mechanism 7 are respectively installed vertically opposite to the rotor fixture 11 and the cover plate fixture 12. Above the working platform 1, multiple sets of pressure head assemblies are mounted side by side via a pressure head transverse movement mechanism 2. The device also includes a pressing power 6, which is connected to the top of one set of pressure head assemblies and drives the corresponding pressure head assembly to move downward.

[0039] In this embodiment, the rotor fixture 11 and the cover plate fixture 12 are lifted by the lifting support mechanism 8 and the lifting mechanism 7, and the installation of multiple components, including oil seals, bearings 30 and snap rings, can be achieved in one station by a set of pressing power 6.

[0040] It also includes a support frame 13, with the working platform 1 located inside the support frame 13. The pressing power 6 is installed on the top surface of the support frame 13 via the pressing transverse movement mechanism 60, and the pressing head transverse movement mechanism 2 is installed on the inner top surface of the support frame 13, thus forming an overall equipment layout from top to bottom consisting of the pressing power 6, the pressing head assembly, and the working platform 1. Through transverse movement, the pressing power 6 can drive the preset pressing head assembly downward to the rotor assembly 10 at the rotor tooling 11 on the working platform 1 or the rotor cover plate 20 at the cover plate tooling 12.

[0041] like Figure 2 As shown, the pressing transverse moving mechanism 60 has the same moving direction as the pressing head transverse moving mechanism 20. The pressing power 6 is installed on the pressing transverse moving mechanism 62. Multiple vertical guide rails 91 are installed side by side on the side of the pressing head transverse moving mechanism 2, and the pressing head assembly is slidably installed on the corresponding vertical guide rail 91. The pressing head transverse moving mechanism 23 is equipped with a positioning mechanism 9 that corresponds to the pressing head assembly. The positioning mechanism 9 is horizontally inserted into the pressing head insert 92 of the corresponding pressing head assembly, as shown. Figure 3 As shown.

[0042] In this embodiment, the pressing head assembly and the pressing power 6 are provided with lateral movement in the same direction, which facilitates moving the pressing head assembly and the pressing power 6 to a preset position according to actual actions and requirements, and also facilitates the connection between the pressing power 6 and the corresponding pressing head assembly.

[0043] In this embodiment, a press-fit transverse guide rail 61 is installed on the inner bottom surface of the support frame 13, and a press-fit transverse seat 62 is slidably mounted on the press-fit transverse guide rail 61. The press-fit transverse force 63 drives the press-fit transverse seat 62 to move along the press-fit transverse guide rail 61.

[0044] The pressure head transverse shift seat 23 is mounted on the support plate 26 via the pressure head transverse shift guide rail 24, and the support plate 26 is mounted on the inner side of the support frame 13 via the support 22; the back of the pressure head transverse shift seat 23 is equipped with transverse shifting blocks 27 corresponding to the pressure head assembly, and the support plate 26 is equipped with a insertion cylinder 21, which is horizontally inserted into one of the transverse shifting blocks 27.

[0045] In this embodiment, after the pressing power 6 drives the preset pressing head assembly to press down and move up, before the pressing power 6 switches to other pressing head assemblies, the corresponding pressing head assembly will be positioned and restricted by the horizontal insertion of the positioning mechanism 9; after the pressing head transverse shift seat 23 moves horizontally to move the preset pressing head assembly to the corresponding position, the insertion cylinder 21 can push the transverse shift block 27 to accurately position the pressing head transverse shift seat 23 in the transverse direction.

[0046] In this embodiment, the support 22 is installed with the top surface of the support frame 13 facing downwards, the support plate 26 is installed on the support 22, and the side of the support plate 26 is equipped with pressure head transverse guide rails 24 at intervals. The pressure head transverse guide rail 24 is slidably installed on the pressure head transverse guide rail 24, and the pressure head transverse guide rail 23 is driven by the pressure head transverse movement force 25 to move along the pressure head transverse guide rail 24.

[0047] In this embodiment, the lateral movement force 25 of the pressing head and the lateral movement force 63 of the pressing can be existing linear output power including cylinders, oil cylinders, electric cylinders, etc., or existing linear output power composed of a motor and lead screw, etc., as long as it can realize the driving movement in the linear direction.

[0048] The bottom of the pressing power 6 is equipped with an inverted T-shaped connecting block 600, and the top of the pressing head assembly is provided with an inverted T-shaped bayonet 90. The pressing transverse movement mechanism 60 drives the pressing power 6 to move horizontally, so that the connecting block 600 is fitted into the T-shaped bayonet 90. This facilitates the quick connection or disconnection between the pressing power 6 and the preset pressing head assembly, and enables the pressing power 6 to be switched between various pressing head assemblies.

[0049] The pressure head assembly includes, but is not limited to, oil seal pressure head assembly 3, bearing pressure head assembly 4, and snap ring pressure head assembly 5. The bottom end of the oil seal pressure head assembly 3 is fitted with an oil seal, which is pressed onto the rotor cover plate 20 by the downward movement of the oil seal pressure head assembly 3. The bottom end of the bearing pressure head assembly 4 is fitted with a bearing 30 and a bearing cover plate 40, which are pressed onto the rotor assembly 10 by the downward movement of the bearing pressure head assembly 4. The downward movement of the snap ring pressure head assembly 5 is pressed onto the rotor assembly 10.

[0050] like Figure 4 As shown, the bearing pressure head assembly 4 has a stepped surface 41 at its bottom end. Different stepped surfaces 41 limit the bearing 30 and bearing cover plate 40 respectively. The bearing 30 and bearing cover plate 40 are clamped by elastic pin 1 42 and elastic pin 2 43 arranged radially in the bearing pressure head assembly 4, realizing the loading and temporary limiting of the bearing 30 and bearing cover plate 40 at the bottom end of the bearing pressure head assembly 4. When the bearing pressure head assembly 4 moves downward, it will cause the bearing 30 to be interference-fitted onto the rotor assembly 10, realizing the installation of the bearing 30 on the rotor assembly 10.

[0051] In this embodiment, a temporary tooling, such as a cylindrical part for preloading the snap ring, can be placed at the center of the rotor assembly 10. The snap ring is then fitted onto the cylindrical part, and then the snap ring is pressed down and installed onto the rotor assembly 10 by the downward movement of the snap ring pressing head assembly 5. The temporary tooling is then removed, and the snap ring is fully installed.

[0052] The working platform 1 is a turntable located inside the support frame 13. Multiple workstations are arranged on the turntable along the rotation direction, including but not limited to a loading workstation for loading rotor assembly 10 and rotor cover plate 20, an assembly workstation for installing oil seals, bearings 30 and snap rings onto rotor assembly 10 or rotor cover plate 20, a pressing workstation for moving and pressing rotor cover plate 20 onto rotor assembly 10, and a unloading workstation for unloading the pressed rotor assembly 10. This helps to achieve automated connection between rotor pre-assembly equipment and front and back processes, reduce manual labor, improve efficiency, and ensure results.

[0053] like Figure 5 As shown, the lifting mechanism 7 has the following structure: it includes a bracket 14, on which a lifting cylinder 71 with its output end facing upward is mounted, and a lifting seat 74 is mounted on the output end of the lifting cylinder 71. A guide assembly is installed between the lifting seat 74 and the bracket 14. The top surface of the lifting seat 74 extends into the working platform 1 via a protruding column to push the cover plate fixture 12. A lifting support column 73, which is driven to move by a side-shifting cylinder 72, is also slidably mounted on the top surface of the bracket 14.

[0054] When in use, the lifting cylinder 71 is activated, pushing the lifting seat 74 upward, and the cover plate fixture 12 moves upward relative to the working platform 1. The side-shifting cylinder 72 is activated, pushing the lifting support column 73 to move directly below the corresponding column of the lifting seat 74, and the lifting support column 73 supports the lifting seat 74.

[0055] In actual use, the lifting seat 74 pushes the cover plate tooling 12 upward by only needing to be removed from the working platform 1, so that the downward pressure during pressing is not supported by the working platform 1, but by the lower lifting support column 73 and bracket 14.

[0056] like Figure 5 and Figure 6 As shown, the lifting support mechanism 8 has the following structure: it includes a bracket 14, a guide column is installed through the upper and lower parts of the bracket 14, a lifting seat 86 is installed at the top of the guide column, a suspension 82 is installed at the bottom of the guide column, a lifting cylinder 83 with its output end facing downward is installed on the bracket 14, and the output end of the lifting cylinder 83 is connected to the suspension 82; a side shift seat 87, which is driven to move by the side shift cylinder 84, is slidably installed on the top surface of the bracket 14, and a lifting support column 85 is installed on the side shift seat 87; similar to the lifting mechanism 7 pushing the cover plate tooling 12 to lift upward, the rotor assembly 10 moves upward and separates from the working platform 1.

[0057] A load-bearing cylinder 81 is installed below the support 14. A core column 89 is installed at the upward-facing output end of the load-bearing cylinder 81. The core column 89 is moved up to the end and supported in the middle of the rotor assembly 10. A bushing 88 is installed on the support 14. The bushing 88 is fitted around the core column 89. A through notch is provided on the bushing 88. A locking seat 80 is installed on the side shift seat 87. The locking seat 80 is locked to the neck 890 of the core column 89 through the notch.

[0058] In this embodiment, during actual operation, the lifting mechanism 7 lifts the cover plate fixture 12 relative to the working platform 1, and the lifting support mechanism 8 lifts the rotor fixture 11 relative to the working platform 1, effectively reducing or even avoiding the force on the working platform 1 when the pressing power 6 moves downward; in addition, the lifting of the core column 89 in the lifting support mechanism 8 can also play a supporting role from the middle of the bottom surface of the rotor assembly 10, effectively avoiding the force on other parts of the rotor assembly 10 when the pressing power 6 moves downward.

[0059] In actual use, lifting cylinder 2 83 drives lifting seat 2 86, rotor tooling 11, and rotor assembly 10 to move upward. Load-bearing cylinder 81 works, pushing core column 89 upward to abut against the middle of the bottom surface of rotor assembly 10. Side-shifting cylinder 2 84 pushes side-shifting seat 87 to move, so that lifting support column 2 85 is located directly below the corresponding column on the bottom surface of lifting seat 2 86. The clamping seat 80 moves and clamps to the neck 890 of core column 89; effectively ensuring structural support and structural reliability during press-fitting.

[0060] This invention effectively reduces manual operation, increases cycle time, and enables pre-assembly of the rotor in the motor before it enters the housing, thus helping to improve efficiency.

[0061] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0062] The above description is an explanation of the present utility model and not a limitation thereof. The scope of the present utility model is defined by the claims. Within the protection scope of the present utility model, any form of modification may be made.

Claims

1. A rotor pre-assembly device, comprising a working platform (1), characterized in that: The working platform (1) is equipped with a rotor fixture (11) and a cover plate fixture (12) installed side by side. The rotor fixture (11) supports and places the rotor assembly (10), and the cover plate fixture (12) supports and places the rotor cover plate (20). The working platform (1) is equipped with a lifting bearing mechanism (8) and a lifting mechanism (7) that are directly opposite the rotor fixture (11) and the cover plate fixture (12) respectively. The working platform (1) is equipped with multiple sets of pressure head assemblies arranged in parallel above it via a pressure head transverse movement mechanism (2). The platform also includes a pressing power (6), which is connected to the top of one set of pressure head assemblies. The pressing power (6) drives the corresponding pressure head assembly to move downward.

2. The rotor pre-assembly equipment as described in claim 1, characterized in that: It also includes a support frame (13), a working platform (1) located inside the support frame (13), a pressing power (6) installed on the top surface of the support frame (13) via a pressing transverse movement mechanism (60), and a pressing head transverse movement mechanism (2) installed on the inner top surface of the support frame (13).

3. The rotor pre-assembly equipment as described in claim 2, characterized in that: The pressing transverse movement mechanism (60) has the same moving direction as the pressing head transverse movement mechanism (2) (2). The pressing power (6) is installed on the pressing transverse movement mechanism (62). Multiple vertical guide rails (91) are installed side by side on the side of the pressing head transverse movement mechanism (23). The pressing head assembly is slidably installed on the corresponding vertical guide rail (91). The pressing head transverse movement mechanism (23) is equipped with a positioning mechanism (9) that corresponds to the pressing head assembly. The positioning mechanism (9) is horizontally inserted into the pressing head block (92) of the corresponding pressing head assembly.

4. The rotor pre-assembly equipment as described in claim 3, characterized in that: The pressure head transverse shift seat (23) is installed on the support plate (26) via the pressure head transverse shift guide rail (24), and the support plate (26) is installed on the inner side of the support frame (13) via the support (22); the back of the pressure head transverse shift seat (23) is equipped with transverse shift blocks (27) corresponding to the pressure head assembly, and the support plate (26) is equipped with a insertion cylinder (21), which is horizontally inserted into one of the transverse shift blocks (27).

5. The rotor pre-assembly equipment as described in claim 2, characterized in that: The bottom of the pressing power (6) is equipped with an inverted T-shaped connecting block (600), and the top of the pressing head assembly is provided with an inverted T-shaped bayonet (90). The pressing transverse movement mechanism (60) drives the pressing power (6) to move horizontally, so that the connecting block (600) is fitted into the T-shaped bayonet (90).

6. The rotor pre-assembly equipment as described in claim 1, characterized in that: The pressure head assembly includes, but is not limited to, oil seal pressure head assembly (3), bearing pressure head assembly (4), and snap ring pressure head assembly (5). The bottom end of the oil seal pressure head assembly (3) is fitted with an oil seal, which is pressed onto the rotor cover plate (20) by the downward movement of the oil seal pressure head assembly (3). The bottom end of the bearing pressure head assembly (4) is fitted with a bearing (30) and a bearing cover plate (40), which are pressed onto the rotor assembly (10) by the downward movement of the bearing pressure head assembly (4). The downward movement of the snap ring pressure head assembly (5) presses the snap ring onto the rotor assembly (10).

7. The rotor pre-assembly equipment as described in claim 1, characterized in that: The working platform (1) is a turntable, which is located inside the support frame (13). Multiple workstations are arranged on the turntable along the rotation direction, including but not limited to the loading workstation for loading the rotor assembly (10) and rotor cover plate (20), the assembly workstation for installing oil seals, bearings (30) and snap rings on the rotor assembly (10) or rotor cover plate (20), the pressing workstation for moving and pressing the rotor cover plate (20) onto the rotor assembly (10), and the unloading workstation for unloading the pressed rotor assembly (10).

8. The rotor pre-assembly equipment as described in claim 1, characterized in that: The lifting mechanism (7) has the following structure: it includes a bracket (14), on which a lifting cylinder (71) with its output end facing upward is installed. A lifting seat (74) is installed at the output end of the lifting cylinder (71). A guide assembly is installed between the lifting seat (74) and the bracket (14). The top surface of the lifting seat (74) extends into the working platform (1) via a protruding column to push the cover plate fixture (12). The top surface of the bracket (14) is also slidably mounted with a lifting support column (73) that is moved by a side-shifting cylinder (72).

9. The rotor pre-assembly equipment as described in claim 1, characterized in that: The structure of the lifting support mechanism (8) is as follows: it includes a bracket (14), a guide column is installed through the upper and lower parts of the bracket (14), a second lifting seat (86) is installed at the top of the guide column, a suspension (82) is installed at the bottom of the guide column, a second lifting cylinder (83) with the output end facing down is installed on the bracket (14), and the output end of the second lifting cylinder (83) is connected to the suspension (82); a second side shift seat (87) driven by the second side shift cylinder (84) is slidably installed on the top surface of the bracket (14), and a second lifting support column (85) is installed on the side shift seat (87).

10. The rotor pre-assembly equipment as described in claim 9, characterized in that: A load-bearing cylinder (81) is installed below the support (14). A core column (89) is installed at the output end of the load-bearing cylinder (81) facing upward. The core column (89) is moved up to the end and supported in the middle of the rotor assembly (10). A bushing (88) is installed on the support (14). The bushing (88) is fitted around the core column (89). A notch with through-holes is opened on the bushing (88). A clamping seat (80) is installed on the side shift seat (87). The clamping seat (80) is clamped to the neck (890) of the core column (89) through the notch.

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