Dismounting and mounting device and dismounting and mounting method for motor rotor of dumper

Abstract

The invention relates to the technical field of dumper frontier inspection motor maintenance, in particular to a dumper motor rotor dismounting and mounting device and a dismounting and mounting method.The dumper motor rotor dismounting and mounting device comprises a chassis, a lifting mechanism, a rotation adjusting mechanism, a feeding mechanism and an automatic dismounting and mounting mechanism; the lifting mechanism comprises a lifting assembly and a mounting support arranged at the movable end of the lifting assembly. The rotary adjusting mechanism comprises a cross beam arm rotationally connected with the mounting bracket and a driving assembly arranged on the cross beam arm, and the driving assembly is used for driving the cross beam arm to rotate; the feeding mechanism is arranged on the cross beam arm and comprises a flange plate used for fixing a motor rotor, and the flange plate can move in the extending direction of the cross beam arm; the automatic disassembling and assembling mechanism is used for disassembling and assembling bolts between the flange plate and the motor rotor. The disassembling and assembling device for the motor rotor of the dumper can effectively reduce the working intensity of frontier inspection and maintenance and improve the maintenance operation efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of dump truck border inspection motor maintenance, and in particular to a dump truck motor rotor disassembly and assembly device and a disassembly method. Background Art

[0002] Dump trucks are the main coal and gangue transportation equipment in open-pit coal mines. Since open-pit coal mines are key national energy resources, facing high-intensity production and operation requirements, ensuring the normal operation of dump trucks is also an important core task of open-pit mine maintenance. Open-pit coal mine dump trucks generally have a large loading weight, with conventional loads ranging from 108 tons to 220 tons. The weight of the dump truck is also over 80 tons, and the accompanying border inspection drive motor weighs over 1 ton. As the core power unit of the dump truck, the border inspection drive motor requires periodic maintenance and repair. At present, during the maintenance of dump truck border inspection motors, the rotor is mainly disassembled and assembled by crane hoisting and manual handling by personnel. The maintenance work is relatively intensive and the maintenance efficiency is low. Summary of the invention

[0003] The purpose of the present application is to provide a dump truck motor rotor disassembly and assembly device and a disassembly method, which can effectively reduce the workload of border inspection and maintenance and improve the efficiency of maintenance operations.

[0004] To this end, an embodiment of the present application provides a dump truck motor rotor disassembly and assembly device, including: a chassis vehicle, on which an electrically connected air monitor and an automatic fire extinguishing system are provided; a lifting mechanism, which is arranged on the chassis vehicle, the lifting mechanism includes a lifting assembly and a mounting bracket arranged at the movable end of the lifting assembly; a rotation adjustment mechanism, including a crossbeam arm rotatably connected to the mounting bracket and a drive assembly arranged on the crossbeam arm, the drive assembly is used to drive the crossbeam arm to rotate; a feeding mechanism, which is arranged on the crossbeam arm, the feeding mechanism includes a flange for fixing the motor rotor, and the flange can move along the extension direction of the crossbeam arm; and an automatic disassembly and assembly mechanism, which is arranged on the mounting bracket and is adjacent to the feeding mechanism, the automatic disassembly and assembly mechanism is used to disassemble and assemble the bolts between the flange and the motor rotor.

[0005] In one possible implementation, the drive assembly includes: a rotating motor, disposed on the crossbeam arm; and a reducer, disposed on the crossbeam arm, the reducer being connected to the power output end of the rotating motor; wherein the crossbeam arm is rotatably connected to the mounting bracket via the reducer.

[0006] In one possible implementation, a slide rail is provided along the extension direction of the crossbeam arm, and the feeding mechanism includes: a slider, which is slidably arranged on the slide rail; a transmission rod, which is arranged on the crossbeam arm and is used to drive the slider to slide; and a rotating arm, which is connected to the slider, and the rotating end of the rotating arm is connected to the flange.

[0007] In a possible implementation, the slide rails are arranged on two opposite sides of the cross beam arm, the slider adopts a U-shaped structure, and the two ends of the slider are respectively slidably connected to the two slide rails.

[0008] In a possible implementation, the feeding mechanism further includes a driving member disposed at the end of the transmission rod.

[0009] In a possible implementation, the driving member is a hand wheel or a motor.

[0010] In a possible implementation, the mounting bracket includes: a lifting connection plate, which is arranged at the output end of the lift assembly; an upper mounting bracket, which is connected to the lifting connection plate; and an extension plate, which is connected to the upper mounting bracket, and the extension plate is used to install the automatic disassembly and assembly mechanism.

[0011] In a possible implementation, the automatic disassembly and assembly mechanism includes a manipulator and a pneumatic wrench disposed at a movable end of the manipulator, and the flange is located within the operating range of the pneumatic wrench.

[0012] In a possible implementation, a laser centering sensor is further included, and the laser centering sensor is arranged on the crossbeam arm.

[0013] In a possible implementation, the chassis vehicle is a self-guided four-wheel chassis vehicle.

[0014] On the second aspect, an embodiment of the present application also provides a method for disassembling a motor rotor of a dump truck, including: positioning the flange: moving the flange to be aligned with the axial direction of the motor rotor; fixing the motor rotor: bolting the flange to the motor rotor through an automatic disassembly and assembly mechanism; removing the motor rotor: moving the flange to remove the motor rotor from the motor stator; disassembling the motor rotor: removing the bolts between the flange and the motor rotor through an automatic disassembly and assembly mechanism.

[0015] In a possible implementation, the positioning flange includes: the chassis vehicle travels to a maintenance position; the flange is raised to the same level as the motor rotor by a lifting mechanism; the angle of the flange is adjusted to be aligned with the axial direction of the motor rotor by a rotating adjustment mechanism; the flange is transported into the motor stator by a feeding mechanism and docked with the motor rotor.

[0016] In a possible implementation, the positioning flange further includes: aligning the flange and the motor rotor by using a laser alignment sensor.

[0017] According to the dump truck motor rotor disassembly and assembly device and disassembly method provided in the embodiment of the present application, the dump truck motor rotor disassembly and assembly device fixes the flange and the motor rotor with bolts through an automatic disassembly mechanism, moves to a maintenance position through a chassis vehicle, lifts the mounting bracket through a lifting assembly, thereby completing the lifting of the motor rotor, drives the crossbeam arm to swing through a rotating adjustment mechanism to adjust the angle of the motor rotor so that the motor rotor is aligned with the motor stator, places the motor rotor into the motor stator through a feeding mechanism, and completes the removal of the bolts between the flange and the motor rotor through an automatic disassembly mechanism, thereby completing the installation of the motor rotor, which can effectively reduce the workload of border inspection and maintenance and improve the efficiency of maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0020] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0021] Figure 1 A schematic structural diagram of a dump truck motor rotor disassembly and assembly device and a disassembly method provided in an embodiment of the present application is shown;

[0022] Figure 2 A structural schematic diagram of a rotation adjustment mechanism and a feeding mechanism provided in an embodiment of the present application is shown.

[0023] Description of reference numerals:

[0024] a. Motor rotor;

[0025] 1. Chassis vehicle;

[0026] 2. Lifting mechanism; 21. Lifting assembly; 22. Mounting bracket; 221. Lifting connecting plate; 222. Upper bracket; 223. Extension plate;

[0027] 3. Rotation adjustment mechanism; 31. Crossbeam arm; 311. Slide rail; 32. Driving assembly; 321. Rotation motor; 322. Speed ​​reducer;

[0028] 4. Feed mechanism; 41. Flange; 42. Slider; 43. Transmission rod; 44. Rotating arm; 45. Driving member;

[0029] 5. Automatic disassembly and assembly mechanism; 51. Manipulator; 52. Pneumatic wrench;

[0030] 6. Laser centering sensor. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0032] The disclosure below provides many different embodiments or examples to realize the different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0033] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0034] In order to solve the problems in the prior art, the present application provides a dump truck motor rotor disassembly and assembly device and a disassembly method. The dump truck motor rotor disassembly and assembly device can effectively reduce the workload of border inspection and maintenance and improve the efficiency of maintenance operations.

[0035] Figure 1 A schematic structural diagram of a dump truck motor rotor disassembly and assembly device provided in an embodiment of the present application is shown; Figure 2 A structural schematic diagram of a rotation adjustment mechanism and a feeding mechanism provided in an embodiment of the present application is shown.

[0036] like Figure 1-2 As shown, an embodiment of the present application provides a dump truck motor rotor disassembly and assembly device, including a chassis vehicle 1, a lifting mechanism 2, a rotation adjustment mechanism 3, a feeding mechanism 4 and an automatic disassembly and assembly mechanism 5.

[0037] The lifting mechanism 2 is disposed on the chassis vehicle 1 , and the lifting mechanism 2 includes a lifting assembly 21 and a mounting bracket 22 disposed at a movable end of the lifting assembly 21 .

[0038] The rotation adjustment mechanism 3 includes a cross beam arm 31 rotatably connected to the mounting bracket 22 and a driving assembly 32 disposed on the cross beam arm 31 , wherein the driving assembly 32 is used for driving the cross beam arm 31 to rotate.

[0039] The feeding mechanism 4 is disposed on the cross beam arm 31 . The feeding mechanism 4 includes a flange 41 for fixing the motor rotor a. The flange 41 can move along the extending direction of the cross beam arm 31 .

[0040] The automatic disassembly and assembly mechanism 5 is disposed on the mounting bracket 22 and is adjacent to the feeding mechanism 4 . The automatic disassembly and assembly mechanism 5 is used for disassembling and assembling the bolts between the flange 41 and the motor rotor a.

[0041] Specifically, the chassis 1 is also provided with an electrically connected air monitor and an automatic fire extinguishing system. When the air monitor measures that the smoke concentration in the air exceeds its monitoring threshold, it sends a signal to the automatic fire extinguishing system, so that the automatic fire extinguishing system is activated to prevent the occurrence of fire and improve safety. Specifically, the air monitor and the automatic fire extinguishing system are both existing conventional equipment, and their structures are not described in detail here.

[0042] In the present application, the flange 41 and the motor rotor a are fixed with bolts through an automatic disassembly mechanism, the chassis vehicle 1 is moved to the maintenance position, the mounting bracket is lifted by the lifting assembly 21, and the motor rotor a is lifted. The cross beam arm 31 is driven to swing by the rotating adjustment mechanism 3 to adjust the angle of the motor rotor a, so that the motor rotor a is aligned with the motor stator, and the motor rotor a is placed in the motor stator through the feeding mechanism 4. The bolts between the flange 41 and the motor rotor a are removed by the automatic disassembly mechanism, thereby completing the installation of the motor rotor a, which can effectively reduce the workload of border inspection and maintenance and improve the efficiency of maintenance operations.

[0043] In the related art, since the border inspection drive motor equipped with a dump truck weighs more than 1 ton, the border inspection drive motor is generally hoisted by a crane during periodic maintenance, and the position of the hoisted motor rotor a is manually adjusted to make the motor rotor a rotate relative to the motor stator. Then, manual and crane hoisting work together to complete the disassembly and assembly maintenance of the motor rotor a. The work efficiency is low, the work intensity is high, and human operation is required. There are certain safety hazards when the staff moves the motor rotor a.

[0044] In the embodiment of the present application, the flange 41 and the motor rotor a are fixed with bolts by an automatic disassembly mechanism, the chassis 1 is moved to the maintenance position, the mounting bracket is lifted by the lifting assembly 21, and the motor rotor a is lifted. The cross beam arm 31 is driven to swing by the rotating adjustment mechanism 3 to adjust the angle of the motor rotor a, so that the motor rotor a is aligned with the motor stator, the motor rotor a is placed in the motor stator by the feeding mechanism 4, and the bolts between the flange 41 and the motor rotor a are removed by the automatic disassembly mechanism, thereby completing the installation of the motor rotor a. The disassembly of the motor rotor a can be performed according to the reverse process. It can effectively reduce the workload of border inspection and maintenance, improve the efficiency of maintenance operations, and reduce the number of operators from multiple people to two people. There is no need to manually move the motor rotor a, thereby improving the safety of the operation.

[0045] In some embodiments, the driving assembly 32 includes: a rotating motor 321, which is disposed on the beam arm 31; and a reducer 322, which is disposed on the beam arm 31, and the reducer 322 is connected to the power output end of the rotating motor 321; wherein the beam arm 31 is rotatably connected to the mounting bracket 22 through the reducer 322.

[0046] In the present application, the power is output to the reducer 322 by the rotating motor 321, and then the reducer 322 drives the cross beam arm 31 to rotate, so that the cantilever arm can rotate back and forth within a certain angle range, thereby adjusting the angle of the motor rotor a, so that the motor rotor a can be aligned with the motor stator, so that the motor rotor a can be pushed into the motor stator later. The rotating motor 321 and the reducer 322 cooperate to ensure the rotation accuracy of the cross beam arm 31.

[0047] In some embodiments, the cross beam arm 31 is provided with a slide rail 311 along the extension direction, and the feeding mechanism 4 includes: a slider 42, which is slidably arranged on the slide rail 311; a transmission rod 43, which is arranged on the cross beam arm 31, and the transmission rod 43 is used to drive the slider 42 to slide; and a rotating arm 44, which is connected to the slider 42, and the rotating end of the rotating arm 44 is connected to the flange 41.

[0048] In the present application, the slider 42 and the rotating arm 44 are driven by the transmission rod 43 to slide along the slide rail 311 to complete the feeding of the motor rotor a. The flange 41 can be rotated by the rotating arm 44 to adjust the angle of the flange 41 to ensure that the bolt holes on the flange 41 can be aligned with the bolt holes on the motor rotor a, so as to bolt the flange 41 and the motor rotor a.

[0049] In some embodiments, the slide rails 311 are disposed on two opposite sides of the crossbeam arm 31 , and the slider 42 adopts a U-shaped structure, with both ends of the slider 42 being slidably connected to the two slide rails 311 , respectively.

[0050] In the present application, since the motor rotor a itself is very heavy, two slide rails 311 are provided and a U-shaped slider 42 is used to ensure uniform force and stability of the slider 42 and the motor rotor a during disassembly and assembly.

[0051] In some embodiments, the feeding mechanism 4 further includes a driving member 45 disposed at the end of the transmission rod 43 .

[0052] In the present application, the driving member 45 drives the transmission rod 43 to rotate, and the rotation of the transmission rod 43 drives the slider 42 to slide. Specifically, a threaded hole is provided on the slider 42, which cooperates with the external thread structure of the transmission rod 43 through a thread, so that the slider 42 is driven to slide when the transmission rod 43 rotates.

[0053] In some embodiments, the driving member 45 is a hand wheel or a motor.

[0054] In the present application, the driving member 45 can be a hand wheel. When scraping or interference occurs between the motor rotor a and the motor stator, the position of the slider 42 can be controlled by the hand wheel to adjust the motor rotor a to move to a suitable position. The transmission rod 43 can be rotated according to actual conditions to facilitate dealing with different types of situations.

[0055] Optionally, the driving member 45 may also be a motor, which drives the transmission rod 43 to rotate, eliminating the need for personnel to move to the crossbeam arm 31 for operation, thereby improving safety.

[0056] In some embodiments, the mounting bracket 22 includes: a lifting connection plate 221, which is arranged at the output end of the lift assembly; an upper mounting bracket 222, which is connected to the lifting connection plate 221; and an extension plate 223, which is connected to the upper mounting bracket 222, and the extension plate 223 is used to install the automatic disassembly and assembly mechanism 5.

[0057] In the present application, the lifting connecting plate 221 is vertically arranged, the upper bracket 222 is fixedly connected to the lifting connecting plate 221, and the extension plate 223 is fixedly connected to the upper bracket 222 by bolts. The lifting connecting plate 221 and the extension plate 223 are connected by the upper bracket 222. The upper bracket 222 adopts a triangular structure to ensure the stability of the overall structure of the mounting bracket.

[0058] In some embodiments, the automatic disassembly and assembly mechanism 5 includes a manipulator 51 and a pneumatic wrench 52 disposed at a movable end of the manipulator 51 , and the flange 41 is located within the operating range of the pneumatic wrench 52 .

[0059] In the present application, the manipulator 51 adopts a two-axis or three-axis manipulator arm, which can drive the pneumatic wrench 52 to move flexibly and move the pneumatic wrench 52 to the desired position. The pneumatic wrench 52 is used for installing and removing bolts, so that the flange 41 is connected or separated from the motor rotor a.

[0060] Specifically, after the motor rotor a is placed in the motor stator, it is inconvenient to disassemble the motor rotor a and the flange 41. Here, with the help of the manipulator 51, the pneumatic wrench 52 can be inserted into the motor stator to facilitate the disassembly of the flange 41 and the motor rotor a.

[0061] In some embodiments, a laser centering sensor 6 is also included, and the laser centering sensor 6 is disposed on the crossbeam arm 31 .

[0062] In the present application, the motor rotor a and the motor positioning can be aligned through the laser centering sensor 6, and the motor rotor a is lifted, rotated and fed under the prompting of the laser centering sensor 6 to ensure the smooth installation of the motor rotor a and improve the working efficiency.

[0063] In some embodiments, the chassis vehicle 1 is a self-guided four-wheel chassis vehicle 1 .

[0064] In the present application, the self-guided four-wheel chassis vehicle 1 can move according to the set route and automatically move to the required position, thereby ensuring the accuracy of the parking position of the chassis vehicle 1, and then ensuring the smooth disassembly and assembly of the subsequent motor rotor a. The alignment of the motor rotor a and the motor stator can be completed by simply adjusting the angle of the motor rotor a within a small range.

[0065] The motor rotor disassembly and assembly device for a dump truck uses an automatic disassembly mechanism to fix the flange 41 and the motor rotor a with bolts, moves to a maintenance position through a chassis vehicle 1, and lifts the mounting bracket through a lifting assembly 21, thereby completing the lifting of the motor rotor a, and drives the cross beam arm 31 to swing through a rotating adjustment mechanism 3 to adjust the angle of the motor rotor a, so that the motor rotor a is aligned with the motor stator, and the motor rotor a is placed in the motor stator through a feeding mechanism 4, and the bolts between the flange 41 and the motor rotor a are removed through an automatic disassembly mechanism, thereby completing the installation of the motor rotor a, which can effectively reduce the workload of border inspection and maintenance and improve the efficiency of maintenance operations.

[0066] The embodiment of the present application also provides a method for disassembling a motor rotor of a dump truck, comprising:

[0067] S1. Positioning flange: Move the flange to align with the motor rotor axis;

[0068] S2. Fix the motor rotor: connect the flange to the motor rotor with bolts through the automatic disassembly and assembly mechanism;

[0069] S3, remove the motor rotor: move the flange to remove the motor rotor from the motor stator;

[0070] S4. Disassemble the motor rotor: remove the bolts between the flange and the motor rotor through the automatic disassembly and assembly mechanism.

[0071] In some embodiments, the positioning flange includes:

[0072] S11. The chassis vehicle moves to the maintenance position;

[0073] S12. Raise the flange to the same level as the motor rotor through the lifting mechanism;

[0074] S13, adjusting the angle of the flange by rotating the adjustment mechanism until it is aligned with the axial direction of the motor rotor;

[0075] S14, conveying the flange into the motor stator through the feeding mechanism and docking it with the motor rotor.

[0076] In some embodiments, the positioning flange further comprises:

[0077] S15. Align the flange and the motor rotor using a laser alignment sensor.

[0078] In the present application, the chassis, lifting mechanism, rotation adjustment mechanism and feeding mechanism in the present application automatically complete the axial alignment between the flange and the motor rotor through the laser centering sensor, without the need for manual disassembly and assembly of the motor rotor, thereby improving efficiency and safety. The installation of the motor rotor can be completed by adopting the reverse process.

[0079] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0080] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0081] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A dump truck motor rotor disassembly and assembly device, characterized in that: include: A chassis vehicle (1), wherein the chassis vehicle is provided with an air monitor and an automatic fire extinguishing system electrically connected to the air monitor; A lifting mechanism (2) is arranged on the chassis vehicle (1), and the lifting mechanism (2) comprises a lifting assembly (21) and a mounting bracket (22) arranged at a movable end of the lifting assembly (21); A rotation adjustment mechanism (3), comprising a crossbeam arm (31) rotatably connected to the mounting bracket (22) and a driving assembly (32) disposed on the crossbeam arm (31), wherein the driving assembly (32) is used to drive the crossbeam arm (31) to rotate; A feeding mechanism (4) is arranged on the cross beam arm (31), the feeding mechanism (4) comprises a flange (41) for fixing the motor rotor, and the flange (41) can move along the extension direction of the cross beam arm (31); and An automatic disassembly and assembly mechanism (5) is arranged on the mounting bracket (22) and is adjacent to the feeding mechanism (4). The automatic disassembly and assembly mechanism (5) is used for disassembling and assembling bolts between the flange (41) and the motor rotor.

2. The dump truck motor rotor disassembly and assembly device according to claim 1, characterized in that: The drive assembly (32) comprises: A rotating motor (321) is arranged on the crossbeam arm (31); and A reducer (322) is arranged on the crossbeam arm (31), and the reducer (322) is connected to the power output end of the rotating motor (321); Wherein, the crossbeam arm (31) is rotatably connected to the mounting bracket (22) via the reducer (322).

3. The dump truck motor rotor disassembly and assembly device according to claim 1, characterized in that: The crossbeam arm (31) is provided with a slide rail (311) along the extension direction, and the feeding mechanism (4) comprises: A slider (42) slidably disposed on the slide rail (311); a transmission rod (43), disposed on the crossbeam arm (31), the transmission rod (43) being used to drive the slider (42) to slide; and A rotating arm (44) is connected to the sliding block (42), and a rotating end of the rotating arm (44) is connected to the flange (41).

4. The dump truck motor rotor disassembly and assembly device according to claim 3, characterized in that: The slide rails (311) are arranged on two opposite sides of the crossbeam arm (31), the slider (42) adopts a U-shaped structure, and the two ends of the slider (42) are respectively slidably connected to the two slide rails (311).

5. The dump truck motor rotor disassembly and assembly device according to claim 3, characterized in that: The feeding mechanism (4) further comprises a driving member (45) arranged at the end of the transmission rod (43).

6. The dump truck motor rotor disassembly and assembly device according to claim 5, characterized in that: The driving member (45) is a hand wheel or a motor.

7. The dump truck motor rotor disassembly and assembly device according to claim 1, characterized in that: The mounting bracket (22) comprises: A lifting connection plate (221) is arranged at the output end of the lifting machine assembly; An upper mounting bracket (222) connected to the lifting connecting plate (221); and An extension plate (223) is connected to the upper mounting bracket (222), and the extension plate (223) is used to install the automatic disassembly and assembly mechanism (5).

8. A method for disassembling a motor rotor of a dump truck, characterized in that: include: Positioning the flange (41): moving the flange (41) to align with the motor rotor axis; Fixing the motor rotor: connecting the flange (41) to the motor rotor with bolts through the automatic disassembly and assembly mechanism (5); Remove the motor rotor: Move the flange (41) to remove the motor rotor from the motor stator; Disassembling the motor rotor: Remove the bolts between the flange (41) and the motor rotor using the automatic disassembly mechanism (5).

9. The method for disassembling a motor rotor of a dump truck according to claim 8, characterized in that: The positioning flange (41) comprises: The chassis vehicle (1) moves to a maintenance position; The flange (41) is raised to the same level as the motor rotor by means of a lifting mechanism (2); The angle of the flange (41) is adjusted by rotating the adjustment mechanism (3) to be aligned with the axial direction of the motor rotor; The flange (41) is transported into the motor stator by the feeding mechanism (4) and docked with the motor rotor.

10. The method for disassembling a motor rotor of a dump truck according to claim 8, characterized in that: The positioning flange (41) further comprises: The flange (41) and the motor rotor are aligned by means of a laser alignment sensor (6).

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