Variable frequency silent generator frame

Abstract

The utility model relates to generator frame technical field discloses a variable frequency mute generator frame, including bottom plate, wheel axle, many stands, crossbeam and handle, the stand sets up on the bottom plate, the stand top sets up handle, the crossbeam sets up between the stand, its characterized in that, the wheel axle sets up at the bottom plate bottom and is located the stand directly below. The problem that traditional frame bottom plate is easy to deform, and the problem of insufficient bearing strength are solved.

Description

Technical Field

[0001] This utility model relates to the field of generator frame technology, specifically to a variable frequency silent generator frame. Background Technology

[0002] The generator frame is a critical structural component that supports and secures the core components of the generator (such as the engine, motor, and control unit). Its design directly affects the overall structural stability, vibration and noise levels, and ease of movement. In existing technologies, generator frames are typically equipped with wheels for ease of movement. However, traditional frame designs often simply mount the wheel axles on the side or under the base plate at non-critical load-bearing locations. This results in the load generated by the overall weight of the generator (including internal components and the external soundproof casing) not being optimally transferred to the wheels.

[0003] For example, Chinese patent document CN217873015U discloses a generator frame, including two vertically arranged frame units. The two frame units are arranged opposite each other in the transverse direction. The upper parts of the two frame units are connected by a handle assembly. The lower parts of the two frame units are connected by a wheel axle and an inverter housing. The wheel axle and the inverter housing are located at the two ends of the lower part of the frame unit, respectively. The frame unit includes a base plate, a first column, a second column, and a crossbeam. The first column and the second column are respectively connected to the two ends of the base plate. The crossbeam is connected between the upper part of the first column and the upper part of the second column.

[0004] The existing technology has the following shortcomings: For some high-power and high-durability variable frequency silent generators, metal frames are necessary. However, in the use of existing metal frames, the installation position of the wheel axle leads to insufficient load-bearing strength of the generator frame. This is because the entire structure of the generator needs to be supported by the wheel axle through the base plate. This unreasonable force transmission path will cause the base plate to bear a large bending moment. Long-term use will easily lead to deformation of the base plate or fatigue cracking of the weld points, especially for high-power variable frequency silent generators with large self-weight. Utility Model Content

[0005] To address the technical problem of insufficient load-bearing strength of generator frames, this utility model provides a variable frequency silent generator frame, including a base plate, wheel axles, multiple columns, crossbeams, and handles. The columns are mounted on the base plate, the handles are mounted on the top of the columns, and the crossbeams are arranged between the columns. The wheel axles are located at the bottom of the base plate and directly below the columns.

[0006] Preferably, the wheel axle is an integral structure, and the wheel axle is horizontally fixed to the bottom of the base plate by a bearing sleeve, and is located directly below the two columns.

[0007] Preferably, the wheel axle has a split structure, and the wheel axle is fixed to the bottom of the base plate by an axle seat, and the wheel axle is connected to the axle seat.

[0008] To prevent deformation or excessive gaps in the plastic housing outside the generator frame during installation, the columns, base plate, and crossbeams are all fitted with clearance and fixed by bolts.

[0009] Preferably, the mounting holes of the columns, base plates, and crossbeams are larger than the bolt size.

[0010] To facilitate wheel rolling, the wheel axle extends beyond the base plate.

[0011] To facilitate transportation and handling, the column is equipped with a side handle.

[0012] This utility model has the following beneficial effects: 1. This utility model adopts a split frame structure. Through the arrangement of the columns, base plate, and wheel axles, the weight of the housing and fuel tank mounted on the columns is effectively transferred to the base plate and then to the wheels. This design forms an efficient and vertical force transmission path from the top handle, through the columns, to the base plate, and finally to the wheels via the wheel axles. It greatly shortens the force transmission path, converting most of the generator's weight into direct pressure on the columns and wheel axles, rather than subjecting the base plate to bending moments. This fundamentally solves the problems of easy deformation and insufficient load-bearing strength of traditional frame base plates, making it particularly suitable for heavy-duty, high-power, silent generator sets.

[0013] 2. In existing technologies, due to errors in the installation of the metal frame, the segmented silent plastic housing subsequently installed outside the generator frame may deform or have excessive gaps between the plastic housings due to these errors. This utility model, by allowing a certain amount of movement in the installation dimensions of each component, provides each component with the ability to make fine adjustments for alignment before final tightening. This ensures that the segmented silent plastic housing, which is very sensitive to gaps and deformation and is installed on the outside, can achieve a perfect match and seamless connection. This effectively avoids appearance and structural problems such as housing installation stress, deformation, or excessively wide joints caused by frame errors. It also results in low production and transportation costs and simple maintenance and replacement. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of Embodiment 1 of the variable frequency silent generator frame of this utility model; Figure 2 This is an exploded view of Embodiment 1 of the variable frequency silent generator frame of this utility model; Figure 3 This is a schematic diagram of Embodiment 2 of the variable frequency silent generator frame of this utility model; Figure 4This is an exploded view of Embodiment 2 of the variable frequency silent generator frame of this utility model. Detailed Implementation

[0015] The following detailed description illustrates the specific implementation methods: The reference numerals in the accompanying drawings of the instruction manual include: base plate 1, wheel axle 2, column 3, column one 301, column two 302, column three 303, column four 304, crossbeam 4, handle 5, bearing sleeve 6, bolt 7, side handle 8, and axle seat 9.

[0016] Example 1 like Figure 1 and 2 As shown, a variable frequency silent generator frame includes a base plate 1, two wheel axles 2, four columns 3, three crossbeams 4, and two handles 5. The four columns 3 are column one 301, column two 302, column three 303, and column four 304, and are respectively located at the four corners of the rectangular base plate 1. The handles 5 are connected to the top of column one 301 and column two 302, and column three 303 and column four 304. The two handles 5 are arranged in parallel. The crossbeams 4 are respectively located in the middle of column one 301 and column three 303, column two 302 and column four 304, and column three 303 and column four 304. The wheel axles 2 are located at the bottom of the base plate 1 and directly below the columns 3.

[0017] The wheel axle 2 is an integral structure. The two wheel axles 2 are horizontally fixed to the bottom of the base plate 1 by bearing sleeves 6, and are located below the first column 301 and the second column 302, the third column 303 and the fourth column 304 respectively.

[0018] The four columns 3, base plate 1 and crossbeam 4 are all connected and fixed by clearance fit and bolts 7. The mounting holes of the columns 3, base plate 1 and crossbeam 4 are larger than the size of the bolts 7.

[0019] The two ends of the two wheel axles 2 extend outside the base plate 1 to facilitate wheel installation and rotation.

[0020] The middle of the first column 301 and the second column 302 are provided with a side handle 8 that can be detached laterally. Since the generator frame is relatively high, it is inconvenient for people to exert force by lifting the handle 5 on the top of the column 3. Therefore, the side handle 8 makes it convenient to tilt and move the frame.

[0021] Example 2 like Figure 1 and 2As shown, a variable frequency silent generator frame includes a base plate 1, two wheel axles 2, four columns 3, three crossbeams 4, and two handles 5. The four columns 3 are column one 301, column two 302, column three 303, and column four 304, and are respectively located at the four corners of the rectangular base plate 1. The handles 5 are connected to the top of column one 301 and column two 302, and column three 303 and column four 304. The two handles 5 are arranged in parallel. The crossbeams 4 are respectively located in the middle of column one 301 and column three 303, column two 302 and column four 304, and column three 303 and column four 304. The wheel axles 2 are located at the bottom of the base plate 1 and directly below the columns 3.

[0022] The wheel axle 2 is a split structure. The wheel axle 2 is fixed to the bottom of the base plate 1 by the axle seat 9 and the wheel axle 2 is connected to the axle seat 9.

[0023] The four columns 3, base plate 1 and crossbeam 4 are all connected and fixed by clearance fit and bolts 7. The mounting holes of the columns 3, base plate 1 and crossbeam 4 are larger than the size of the bolts 7.

[0024] The two ends of the two wheel axles 2 extend outside the base plate 1 to facilitate wheel installation and rotation.

[0025] The middle of the first column 301 and the second column 302 are provided with a side handle 8 that can be detached laterally. Since the generator frame is relatively high, it is inconvenient for people to exert force by lifting the handle 5 on the top of the column 3. Therefore, the side handle 8 makes it convenient to tilt and move the frame.

[0026] The above descriptions are merely embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are knowledgeable of all existing technologies in that field, and possess the ability to apply conventional experimental methods prior to that date. Therefore, those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in conjunction with their own capabilities. Typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A variable frequency silent generator frame, comprising a base plate, wheel axles, multiple uprights, crossbeams, and handles, wherein the uprights are mounted on the base plate, the handles are mounted on the top of the uprights, and the crossbeams are disposed between the uprights, characterized in that, The wheel axle is located at the bottom of the base plate and directly below the column.

2. The variable frequency silent generator frame according to claim 1, characterized in that: The wheel axle is an integral structure, and it is horizontally fixed to the bottom of the base plate by a bearing sleeve, and is located directly below the two columns.

3. The variable frequency silent generator frame according to claim 1, characterized in that: The wheel axle has a split structure. The wheel axle is fixed to the bottom of the base plate by an axle seat and is connected to the axle seat.

4. The variable frequency silent generator frame according to claim 2 or 3, characterized in that: The columns, base plate, and crossbeams are all fitted with clearance and fixed by bolts.

5. The variable frequency silent generator frame according to claim 4, characterized in that: The mounting holes for the columns, base plates, and crossbeams are larger than the bolt size.

6. The variable frequency silent generator frame according to claim 5, characterized in that: The wheel axle extends beyond the base plate.

7. The variable frequency silent generator frame according to claim 6, characterized in that: The column is equipped with a side handle.

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