Consumption-reducing auxiliary variable frequency motor shell assembly

Abstract

The utility model relates to the technical field of variable frequency motors, in particular to a consumption-reducing auxiliary variable frequency motor shell assembly, which comprises a fixing frame, a shell, a screw rod and a pulley, a fixing seat is welded at the bottom of the shell, two bearings are symmetrically mounted at the bottom of the fixing seat, two screw holes are symmetrically formed in the top of the fixing frame, and the screw rod is arranged in the screw hole. The two screw rods are in meshed connection with the two screw holes respectively, the tops of the two screw rods are fixedly connected with inner rings of two bearings respectively, movable rods are welded to the bottoms of the fixing bases on the opposite sides of the two bearings, movable holes are formed in the tops of the fixing frames on the opposite sides of the two screw holes, and two pulleys are rotationally installed on the inner sides of the movable holes. A fixing plate is welded to the bottom of the fixing frame. The shell has the advantages that the height of the shell can be adjusted according to actual conditions, and workers can conveniently install the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of variable frequency motors, in particular to a housing component of a consumption-reducing auxiliary variable frequency motor. Background Art

[0002] A variable frequency motor is an electric motor that can control the speed and operation mode of the motor by adjusting the power supply frequency. It uses a frequency converter to change the frequency of the power supply and provides an adjustable variable frequency signal to the motor. Variable frequency motors have many advantages. They can achieve efficient and precise speed and torque control and provide greater flexibility. The variable frequency motor housing assembly is a structure that provides protection for its internal electronic components.

[0003] Publication number: CN214543874U, an AC variable frequency motor, having a motor housing body; a plurality of pairs of locking ears are distributed on the front and rear ends of the motor housing body; the plurality of pairs of locking ears divide the outer periphery of the housing body into a plurality of zones; a plurality of heat dissipation ribs are radially arranged in each zone; a fixed base is detachably mounted on two pairs of adjacent locking ears at the lower end of the motor housing body. The purpose of the utility model is to overcome the defects of the prior art and provide an AC variable frequency motor that is easy to install and disassemble.

[0004] To sum up, in the prior art CN214543874U, a supporting force is provided to the motor housing body by a fixed base, and the height of the fixed base is fixed and cannot be adjusted, which may cause a mismatch in the transmission configuration between the motor and other equipment, thereby affecting the operation effect and performance of the equipment. In actual use, the staff needs to adjust the height of the fixed base through other structures, which is more troublesome to operate. Utility Model Content

[0005] The purpose of the utility model is to provide a power-saving auxiliary variable-frequency motor housing assembly, which has the advantage of being able to adjust the housing height according to actual conditions, making it convenient for workers to install it, and solves the problem that the base of the variable-frequency motor housing assembly is inconvenient to adjust the height.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power-saving auxiliary frequency conversion motor housing assembly, comprising a fixing frame, a shell, a screw and a pulley, a fixing seat welded at the bottom of the shell, two bearings are symmetrically installed at the bottom of the fixing seat, two screw holes are symmetrically opened at the top of the fixing frame, the two screws are respectively meshed and connected with the two screw holes, the tops of the two screws are respectively fixedly connected with the two inner rings of the bearings, a movable rod is welded at the bottom of the fixing seat on the opposite side of the two bearings, a movable hole is opened at the top of the fixing frame on the opposite side of the two screw holes, two pulleys are rotatably installed inside the movable hole, and a fixing plate is welded at the bottom of the fixing frame.

[0007] When using a power-saving auxiliary frequency conversion motor housing assembly in the technical solution, the electronic components of the motor are installed into the interior of the housing through the opening at the rear end of the housing, and the cover plate and other structures are fixed to the rear end of the housing through the screw grooves using bolts and other tools, and the fixing plate is fixed to the ground or the bearing structure through the fixing holes of the fixing plate using bolts and other tools. According to actual conditions, two hand wheels are used to rotate two screws, and the two screws rotate and move in the two screw holes on the top of the fixing frame. The two screws drive the housing to rise and fall through the fixing seat, and the housing is adjusted to a suitable height. The heat sink has a large contact area with the air, which can dissipate heat for the housing.

[0008] Preferably, the rear end of the housing is provided with an opening which is not sealed, so that the electronic components of the motor can be installed inside the housing through the opening at the rear end of the housing.

[0009] Preferably, the rear end of the housing is provided with screw grooves in an annular array, and the cover plate and other structures are fixed to the rear end of the housing through the screw grooves using tools such as bolts.

[0010] Preferably, heat sinks are installed in an annular array on the outer side of the shell. The heat sinks have a large area in contact with the air and can dissipate heat from the shell.

[0011] Preferably, the fixing frame has two sides that are connected, so that the staff can operate inside the fixing frame.

[0012] Preferably, the bottoms of the two screw rods are respectively provided with hand wheels, and a distance is left between the two hand wheels and the front and rear ends of the fixing frame. The two screw rods can be rotated by using the two hand wheels, and when the two hand wheels are rotated, no interference is generated with the fixing frame.

[0013] Preferably, the bottom of the movable rod passes through the movable hole, and two pulleys clamp the movable rod in the middle. The movable rod limits the fixed seat, and when the fixed seat is raised or lowered, the movable rod moves in the movable hole to prevent the fixed seat from shaking, and the pulley rotates with the movement of the movable rod.

[0014] Preferably, the fixing plate is symmetrically provided with two fixing holes, which pass through the upper and lower ends of the fixing plate. The fixing plate is fixed to the ground or the bearing structure through the fixing seat using tools such as bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a screw rod and a fixing seat, wherein the fixing seat is fixed at the bottom of a shell body, and according to actual conditions, two hand wheels are used to rotate the two screw rods, and the two screw rods rotate and move in two screw holes at the top of the fixing frame, and the two screw rods drive the shell body to be raised and lowered through the fixing seat, and the shell body is adjusted to a suitable height, thereby achieving the effect that the shell height can be adjusted according to actual conditions, and it is convenient for workers to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0019] Figure 3 This is a schematic cross-sectional structural diagram of a fixing frame of the utility model;

[0020] Figure 4 For the utility model Figure 3 Zoom in on the structural diagram.

[0021] In the figure: 1, fixing frame; 2, fixing plate; 3, fixing seat; 4, shell; 5, screw groove; 6, heat sink; 7, hand wheel; 8, fixing hole; 9, screw rod; 10, screw hole; 11, bearing; 12, movable rod; 13, pulley; 14, movable hole. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1

[0027] like Figure 1-Figure 4As shown, a power-saving auxiliary frequency conversion motor housing assembly proposed by the utility model includes a fixing frame 1, a shell 4, a screw 9 and a pulley 13. A fixing seat 3 is welded to the bottom of the shell 4. Two bearings 11 are symmetrically installed at the bottom of the fixing seat 3. The fixing frame 1 is penetrated at both sides. Two screw holes 10 are symmetrically opened on the top of the fixing frame 1. The two screws 9 are respectively meshed and connected with the two screw holes 10. The tops of the two screws 9 are respectively fixedly connected to the inner rings of the two bearings 11. Hand wheels 7 are respectively installed at the bottoms of the two screws 9. A distance is left between the two hand wheels 7 and the front and rear ends of the fixing frame 1. A fixing plate 2 is welded to the bottom of the fixing frame 1. The fixing plate 2 is symmetrically opened with two fixing holes 8. The fixing holes 8 pass through the upper and lower ends of the fixing plate 2. An opening is not closed at the rear end of the shell 4. A screw groove 5 is opened in an annular array at the rear end of the shell 4. A heat sink 6 is installed in an annular array on the outside of the shell 4.

[0028] In this embodiment, the electronic components of the motor are installed into the shell 4 through the opening at the rear end of the shell 4, and the cover plate and other structures are fixed to the rear end of the shell 4 through the screw groove 5 using bolts and other tools. The fixing plate 2 is fixed to the ground or the bearing structure through the fixing hole 8 of the fixing plate 2 using bolts and other tools. According to the actual situation, two hand wheels 7 are used to rotate two screws 9, and the two screws 9 rotate and move in the two screw holes 10 at the top of the fixing frame 1. The two screws 9 drive the shell 4 to rise and fall through the fixing seat 3, and the shell 4 is adjusted to a suitable height, which is convenient for the staff to connect the variable frequency motor transmission structure with other structures. The heat sink 6 has a large contact area with the air, which can dissipate heat for the shell 4.

[0029] Embodiment 2

[0030] like Figure 1-Figure 4 As shown, the utility model proposes a power-saving auxiliary frequency conversion motor housing assembly. Compared with the first embodiment, this embodiment also includes: a movable rod 12 and a pulley 13. The movable rod 12 is welded at the bottom of the fixed seat 3 on the opposite side of the two bearings 11, and a movable hole 14 is opened at the top of the fixed frame 1 on the opposite side of the two screw holes 10. Two pulleys 13 are rotatably installed inside the movable hole 14. The bottom of the movable rod 12 passes through the movable hole 14, and the two pulleys 13 clamp the movable rod 12 in the middle.

[0031] In this embodiment, the fixed seat 3 is limited by the movable rod 12. When the fixed seat 3 is raised or lowered, the movable rod 12 moves in the movable hole 14 to prevent the fixed seat 3 from shaking, and the pulley 13 rotates with the movement of the movable rod 12.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A housing assembly for a power-saving auxiliary variable-frequency motor, comprising a fixing frame (1), a housing (4), a screw (9) and a pulley (13), characterized in that: A fixing seat (3) is welded to the bottom of the shell (4), two bearings (11) are symmetrically installed at the bottom of the fixing seat (3), two screw holes (10) are symmetrically opened at the top of the fixing frame (1), the two screw rods (9) are respectively meshed and connected with the two screw holes (10), the tops of the two screw rods (9) are respectively fixedly connected with the inner rings of the two bearings (11), a movable rod (12) is welded to the bottom of the fixing seat (3) on the opposite side of the two bearings (11), a movable hole (14) is opened at the top of the fixing frame (1) on the opposite side of the two screw holes (10), two pulleys (13) are rotatably installed inside the movable hole (14), and a fixing plate (2) is welded to the bottom of the fixing frame (1).

2. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The rear end of the shell (4) is provided with an opening which is not closed.

3. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The rear end of the housing (4) is provided with screw grooves (5) in an annular array.

4. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The outer side of the housing (4) is provided with heat sinks (6) in an annular array.

5. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The fixing frame (1) is connected on both sides.

6. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: Hand wheels (7) are respectively installed at the bottom of the two screw rods (9), and a distance is left between the two hand wheels (7) and the front and rear ends inside the fixing frame (1).

7. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The bottom of the movable rod (12) passes through the movable hole (14), and two pulleys (13) clamp the movable rod (12) in the middle.

8. The housing assembly of a power-saving auxiliary variable-frequency motor according to claim 1, characterized in that: The fixing plate (2) is symmetrically provided with two fixing holes (8), and the fixing holes (8) pass through the upper and lower ends of the fixing plate (2).

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