Miniaturized motor for chassis truck

Abstract

A miniaturized motor for a chassis comprises a driving part and a connecting part which is connected with the driving part and used for driving the chassis to run, the connecting part comprises a shell, a rotating shaft connected with the driving part is arranged in the shell, a plurality of planetary gears are in linkage outside the rotating shaft, the planetary gears are in linkage with chain wheels extending out of the shell, and the chain wheels are in linkage with the driving part. The chain wheel is used for driving the chassis to operate through a chain gear structure. The motor is compact in structure, multiple functions can be integrated in a small space, the motor is suitable for chassis vehicles and other applications with strict limitation on the size, installation is convenient, high transmission efficiency can be achieved through configuration of the rotating shaft and the planetary gears, higher load capacity is provided, pressure acting on the gears can be dispersed, and the transmission efficiency is improved. The device can be flexibly adapted to a small-sized electrical cabinet chassis vehicle, the application range is expanded, and convenience is enhanced.

Description

Technical Field

[0001] This utility model relates to a miniaturized motor for chassis vehicles, belonging to the field of chassis vehicles. Background Technology

[0002] A switch cabinet is an electrical device in which external power lines first enter the main control switch inside the cabinet, and then enter the branch control switches. Each branch circuit is configured according to its needs. Examples include instruments, automatic control systems, motor magnetic switches, various AC contactors, etc. Some switch cabinets also have high-voltage and low-voltage compartments and high-voltage busbars, such as those in power plants. Some also have underfrequency load shearing features to protect the main equipment.

[0003] Switchgear is commonly used in substations and other similar locations. In existing switchgear, to enable circuit breakers to easily perform push-in (pull into the working position from the test position) and pull-out (pull out of the test position from the working position), a chassis is generally used to carry the circuit breakers and other electrical equipment. The chassis is equipped with wheels that allow the circuit breakers to move forward or backward on the tracks inside the switchgear.

[0004] For example, Chinese utility model publication CN215934651U discloses a chassis vehicle motor module. The technical solution adopted by this utility model includes a motor and a gear module assembly. The gear module assembly includes a module base, a module cover, and a gear set. The gear set includes a motor shaft, motor gears, a locking wheel, a locking circlip, a bearing, a main shaft gear, a second main shaft gear, a first driven gear, a second driven gear, and a drive wheel meshing with the second driven gear. The motor shaft includes a shaft body for mounting the motor gears, a first step on the shaft body, and a shaft positioning block. The locking wheel is mounted on the first step. This utility model uses a transversely arranged gear set for transmission, but this arrangement occupies a large space and is not suitable for small chassis vehicles, affecting the expansion of the product's installation range. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide a miniaturized motor for chassis vehicles.

[0006] The utility model provides a miniaturization motor for chassis car, including drive part and the connecting part for driving chassis car operation with drive part connection, the connecting part includes the shell, be equipped with with drive part connection's rotating shaft in the shell, a plurality of planetary gears are connected outside the rotating shaft, the planetary gears are linked with the sprocket extending out of the shell, and the sprocket is used to drive chassis operation through chain gear structure. The compact structure of the motor can integrate multiple functions in a smaller space, is suitable for chassis car and other applications with strict volume restrictions, is easy to install, and the configuration of the rotating shaft and the planetary gears can achieve high efficiency of transmission, provide higher load capacity, can disperse the pressure on the gear, can be flexibly adapted to small-sized electrical cabinet chassis car, expand the scope of application and application range, and facilitate to strengthen convenience.

[0007] Preferably, the end of the rotating shaft is provided with a first tooth groove, and the planetary gear is provided with a second tooth groove matched with the first tooth groove, and the rotating shaft drives the planetary gear to rotate through the meshing cooperation of the first tooth groove and the second tooth groove. The matching design of the first tooth groove and the second tooth groove ensures high precision meshing between the rotating shaft and the planetary gear, reduces the gap, improves the efficiency of power transmission, makes the operation of the motor more stable, effectively transmits the torque from the rotating shaft, improves the driving capacity of the motor as a whole, and is suitable for chassis car with high load requirement.

[0008] Preferably, the number of planetary gears is at least two. The number of planetary gears can be flexibly increased or decreased according to different use requirements and application scenarios to improve convenience.

[0009] Preferably, the rotating center of the planetary gear is provided with a connecting shaft, the connecting shaft is connected with a driving disc, the rotating center of the driving disc is provided with a driving shaft, and the sprocket is fixedly sleeved on the driving shaft. The close cooperation between the planetary gear, the connecting shaft and the driving disc improves the stability of the whole structure, can effectively resist the force generated in the working process, reduces vibration and noise, and the driving disc can adapt to different sizes or types of sprocket according to different operation requirements and application scenarios, so that the application of the motor is more extensive.

[0010] Further, the driving disc is provided with a fixing hole, and the planetary gear extends into the fixing hole through the connecting shaft to be connected with the driving disc. The clamping connection of the fixing hole and the planetary gear through the connecting shaft forms a firm connection, improves the stability of the structure, realizes more direct and efficient power transmission, reduces energy loss caused by unnecessary connecting parts, and improves the overall operation efficiency of the motor.

[0011] Preferably, the outer rotating sleeve of the driving shaft has a first connecting bearing and a second connecting bearing, the outer shell is provided with a fixed screw hole along the outer periphery at both ends, and the outer shell is abutted with the outer wall of the first connecting bearing through the fixed screw hole by a bolt to form a tight fit at one end, and is connected with the driving part at the other end. The tight fit between the first connecting bearing and the outer shell improves the stability of the whole assembly, can effectively resist the radial and axial forces generated during operation, and reduces vibration and noise.

[0012] Further, the driving part is provided with a fixed flange at the end, the fixed flange is provided with a mounting hole, and the other end of the outer shell is threadedly connected with the mounting hole through the fixed screw hole by a bolt. The threaded connection between the fixed flange and the outer shell provides a stable connection method, effectively resists mechanical vibration and impact, and ensures that the motor remains stable during operation. The design of the mounting hole and the threaded connection makes the installation and disassembly process more convenient, reduces the labor cost, improves the work efficiency, and facilitates the regular inspection and maintenance of the maintenance personnel.

[0013] Preferably, the driving part is a servo motor or a stepping motor. Both the servo motor and the stepping motor have excellent position and speed control characteristics, and can realize precise action control. This makes the motor have higher control precision in chassis car and other applications, and adapt to complex motion requirements.

[0014] The motor has the advantages of compact structure, integration of multiple functions in a small space, suitability for chassis cars and other applications with strict size restrictions, convenient installation, efficient transmission of the configuration of the rotating shaft and the planetary gear, higher load capacity, dispersion of pressure on the gear, flexible adaptation to small-sized electrical cabinet chassis cars, expansion of the application range, and facilitation of convenience. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 is the main structure diagram of the present application;

[0017] Figure 2 is the structure diagram of the present application without the outer shell;

[0018] Figure 3 is Figure 2 is the structure diagram without the first connecting bearing;

[0019] Figure 4 For Figure 3 The structure diagram of the driving disc is removed;

[0020] In the figure, 1, driving part; 11, fixed flange; 111, mounting hole; 2, connecting part; 21, shell; 211, fixed screw hole; 22, rotating shaft; 221, first tooth groove; 23, planetary gear; 231, second tooth groove; 232, connecting shaft; 24, driving disc; 241, fixed hole; 242, driving shaft; 25, first connecting bearing; 26, second connecting bearing; 27, sprocket. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings.

[0022] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name non-same entities or non-same parameters. It can be seen that "first" and "second" are only for the convenience of description and should not be understood as the limitation of the embodiments of the utility model. The subsequent embodiments will not be described one by one.

[0023] The direction and position terms mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side" and the like, are only the direction or position of the drawings. Therefore, the direction and position terms used are used to explain and understand the utility model, and are not limited to the protection scope of the utility model.

[0024] As Figures 1-4 As shown in the embodiment of the utility model for the small motor of the chassis car, comprising a driving part 1 and a connecting part 2 connected with the driving part 1 for driving the chassis car to run, the connecting part 2 comprises a shell 21, the shell 21 is provided with a rotating shaft 22 connected with the driving part 1, the rotating shaft 22 is connected with a plurality of planetary gears 23, the planetary gears 23 are connected with a sprocket 27 extending out of the shell 21, the sprocket 27 is used to drive the chassis to run through the chain gear structure. The structure of the motor is compact, can integrate multiple functions in a smaller space, is suitable for the application of the chassis car which has strict volume limit, is convenient to install, the configuration of the rotating shaft 22 and the planetary gear 23 can realize the high efficiency of transmission, provide higher load capacity, can disperse the pressure on the gear, can be flexibly adapted to the small motor cabinet chassis car, expand the application range and application range, and is beneficial to strengthen the convenience.

[0025] Preferably, the end of the rotating shaft 22 is provided with a first gear slot 221, and the planetary gear 23 is provided with a second gear slot 231 matched with the first gear slot 221, and the rotating shaft 22 drives the planetary gear 23 to rotate through the meshing of the first gear slot 221 and the second gear slot 231. The matching design of the first gear slot 221 and the second gear slot 231 ensures high-precision meshing between the rotating shaft 22 and the planetary gear 23, reduces the gap, improves the efficiency of power transmission, makes the operation of the motor more stable, effectively transmits the torque from the rotating shaft 22, and improves the overall driving capacity of the motor, which is suitable for chassis vehicles with high load requirements.

[0026] The number of planetary gears 23 is at least two. The number of planetary gears 23 can be flexibly increased or decreased according to different use requirements and application scenarios to improve convenience.

[0027] The rotating center of the planetary gear 23 is provided with a connecting shaft 232, the connecting shaft 232 is connected with a driving disc 24, the rotating center of the driving disc 24 is provided with a driving shaft 242, and the chain wheel 27 is fixedly sleeved on the driving shaft 242. The close cooperation between the planetary gear 23, the connecting shaft 232 and the driving disc 24 improves the stability of the overall structure, can effectively resist the force generated during work, reduces vibration and noise, and the driving disc 24 can adapt to different sizes or types of chain wheels 27 according to different operation requirements and application scenarios, so that the application of the motor is more widely.

[0028] The driving disc 24 is provided with a fixed hole 241, and the planetary gear 23 is connected with the driving disc 24 through the clamping connection of the connecting shaft 232 extending into the fixed hole 241. The clamping connection of the fixed hole 241 and the planetary gear 23 through the connecting shaft 232 forms a firm connection, improves the stability of the structure, realizes more direct and efficient power transmission, reduces energy loss caused by unnecessary connecting parts, and improves the overall operation efficiency of the motor.

[0029] The driving shaft 242 is rotatably sleeved with a first connecting shaft 232 bearing and a second connecting shaft 232 bearing, the outer shell 21 is provided with a fixed screw hole 211 along the outer periphery at both ends, and one end of the outer shell 21 is abutted with the outer wall of the first connecting shaft 232 bearing through the fixed screw hole 211 to form a tight fit, and the other end is connected with the driving part 1. The tight fit design between the first connecting shaft 232 bearing and the outer shell 21 improves the stability of the whole assembly, can effectively resist the radial and axial forces generated during operation, and reduces vibration and noise.

[0030] The end of the driving part 1 is provided with a fixed flange 11, the fixed flange 11 is provided with a mounting hole 111, the other end of the shell 21 is connected with the mounting hole 111 through the fixed screw hole 211 by screwing. The threaded connection between the fixed flange 11 and the shell 21 provides a stable connection method, effectively resisting mechanical vibration and impact, ensuring that the motor remains stable during operation. The design of the mounting hole 111 and the threaded connection makes the installation and disassembly process more convenient, reduces the labor cost, improves the work efficiency, and facilitates the maintenance personnel to carry out regular inspection and maintenance.

[0031] The driving part 1 is a servo motor or a stepping motor. Both servo motor and stepping motor have excellent position and speed control characteristics, and can realize precise action control. This makes the motor have higher control precision in chassis car and other applications, and adapt to complex motion requirements.

[0032] The above only discloses the preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, therefore, the equivalent change made by the utility model claim still belongs to the range covered by the utility model.

[0033] Although the utility model has been described with reference to a number of specific embodiments, it should be understood that the utility model is not limited to the disclosed specific embodiments. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A compact motor for a chassis cart, characterized by: The utility model discloses a driving part and connecting part for driving chassis car operation, the connecting part includes the shell, the shell is equipped with the rotation axis connected with the driving part, the rotation axis is connected with a plurality of planetary gears outside, the planetary gear is linked with the sprocket extending out of the shell, and the sprocket is used for driving chassis operation through chain gear structure.

2. The compact motor for a dolly of claim 1, wherein: The end of the rotation axis is equipped with the first tooth groove, the planetary gear is equipped with the second tooth groove matched with the first tooth groove, and the rotation axis drives the planetary gear rotation through the meshing cooperation of the first tooth groove and the second tooth groove.

3. The compact motor for a chassis car according to claim 1 or 2, characterized in that: The number of the planetary gears is at least two.

4. The compact motor for a dolly of claim 1, wherein: The rotation center of the planetary gear is equipped with the connecting shaft, the connecting shaft is connected with the driving disc, the rotation center of the driving disc is equipped with the driving shaft, and the sprocket is fixedly sleeved on the driving shaft.

5. The compact motor for a dolly of claim 4, wherein: The driving disc is equipped with the fixed hole, and the planetary gear extends to the fixed hole through the connecting shaft and is connected with the driving disc through clamping.

6. The compact motor for a dolly of claim 1, wherein: The outer rotation sleeve of the driving shaft is provided with the first connecting bearing and the second connecting bearing, the both ends of the shell are provided with the fixed screw hole along the outer periphery, one end of the shell is abutted with the outer wall of the first connecting bearing through the fixed screw hole and the bolt to form the tight fit, and the other end is connected with the driving part.

7. The compact motor for a dolly of claim 6, wherein: The end of the driving part is equipped with the fixed flange, the fixed flange is equipped with the mounting hole, and the other end of the shell is connected with the mounting hole through the fixed screw hole and the bolt.

8. The compact motor for a dolly of claim 1 or 6, wherein: The driving part is servo motor or step motor.

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