Noise reduction mechanism of motor brake

Abstract

The utility model relates to the technical field of noise reduction mechanisms, and discloses a noise reduction mechanism of a motor brake. The noise reduction mechanism of the motor brake comprises a motor body, a brake is arranged on the right side wall of the motor body, a fixing ring is arranged on the outer wall of the motor body, clamping grooves are evenly formed in the outer wall of the fixing ring, and a noise reduction cover is arranged on the right side wall of the fixing ring. According to the scheme, the motor body, the brake, the fixing ring and other devices are arranged to be matched, so that the noise reduction cover can be conveniently mounted and dismounted through the device, the brake can be conveniently maintained, and the working efficiency can be improved; through cooperation of the noise reduction cotton, the noise reduction cover, the fixing ring and other devices, the device can conveniently reduce noise generated by braking, the noise reduction effect is good, people working near the motor can feel more comfortable, and noise pollution is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of noise reduction mechanisms, in particular to a noise reduction mechanism for a motor brake. Background Art

[0002] The motor brake is a brake that is electromagnetically attracted when powered on and frictionally braked when powered off. It is used for three-phase asynchronous motors with electromagnetic braking and is widely used in metallurgy, chemical industry, food, machine tools, packaging and other machinery. The motor brake makes a lot of noise when braking, and a noise reduction mechanism is usually installed on its outside for noise reduction. The existing noise reduction mechanism is usually fixed to the outside of the motor brake by bolts, and it needs to be disassembled when performing brake maintenance. The bolts need to be turned one by one during disassembly and installation, which is time-consuming and not conducive to loading and unloading by personnel, reducing work efficiency. For this reason, we propose a noise reduction mechanism for the motor brake. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a noise reduction mechanism for a motor brake, which effectively solves the problem that the existing noise reduction mechanism is usually fixed to the outside of the motor brake by bolts, and needs to be disassembled when performing brake maintenance. During disassembly and installation, the bolts need to be turned one by one, which is time-consuming to operate, not conducive to loading and unloading by personnel, and reduces work efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise reduction mechanism for a motor brake, comprising a motor body, a brake being provided on the right side wall of the motor body, a fixing ring being provided on the outer wall of the motor body, a clamping groove being evenly provided on the outer wall of the fixing ring, a noise reduction cover being provided on the right side wall of the fixing ring, an active screw being provided on the right side wall of the noise reduction cover, a movable frame being screwed on the outer wall of the active screw, a clamping frame being evenly provided on the outer wall of the movable frame, and the clamping frame being arranged in a T shape.

[0005] Preferably, noise reduction cotton is arranged on the inner wall of the noise reduction cover, noise reduction bumps are evenly arranged on the surface of the noise reduction cotton, and the noise reduction bumps are arranged in a quadrangular pyramid shape.

[0006] Preferably, guide rods are evenly arranged on the right side wall of the noise reduction cover, and the movable frame is located on the outer wall of the guide rods.

[0007] Preferably, a limiting cover is provided at the right end of the guide rod, and the clamping frame is located on the inner wall of the limiting cover.

[0008] Preferably, a noise reduction sealing ring is provided on the left side wall of the noise reduction cover, and the noise reduction sealing ring is located on the right side wall of the fixing ring.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The noise reduction mechanism of the motor brake can facilitate the installation and disassembly of the noise reduction cover and the maintenance of the brake by arranging the motor body, the brake and the fixing ring and other devices, which is conducive to improving work efficiency;

[0011] 2. The noise reduction mechanism of the motor brake can reduce the noise generated by braking by arranging noise reduction cotton, noise reduction cover and fixing ring, etc. The noise reduction effect is good, which can make people working near the motor more comfortable and reduce noise pollution;

[0012] 3. The noise reduction mechanism of the motor brake can facilitate the positioning of the clamping frame by arranging a limit cover, a guide rod and a clamping frame, so as to facilitate the placement of the clamping frame in the inner cavity of the clamping groove, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic cross-sectional view of the noise reduction cover of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the fixing ring of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the mobile rack of the utility model

[0019] In the figure: 100, motor body; 101, brake; 102, fixing ring; 103, noise reduction cover; 104, action screw; 105, moving frame; 106, clamping frame; 107, noise reduction cotton; 108, guide rod; 109, limit cover; 110, noise reduction sealing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1-4The utility model provides a noise reduction mechanism for a motor brake. The right side wall of the motor body 100 is fixedly connected with a brake 101. The brake 101 is used to facilitate braking of the motor body 100 and locking of the motor body 100. A fixing ring 102 is fixedly connected to the outer wall of the motor body 100. The fixing ring 102 is provided to facilitate position limiting support by a clamping frame 106. The outer wall of the fixing ring 102 is evenly provided with clamping grooves, which match the T-shaped clamping frame 106. The right side wall of the fixing ring 102 is movably connected with a noise reduction cover 103. The brake 101 is conveniently closed through the noise reduction cover 103 to block noise. The right side wall of the noise reduction cover 103 is rotatably connected with an action screw 104. The action screw 104 is convenient for driving the moving frame 105 to move. The outer wall of the action screw 104 is screwed with the moving frame 105, and the moving frame 106 is convenient for driving the clamping frame 106 to move. The outer wall of the moving frame 105 is evenly rotated and connected with the clamping frame 106, and the clamping frame 106 is clamped to the inner cavity of the clamping groove for limiting, which is convenient for limiting and fixing the noise reduction cover 103. The clamping frame 106 is T-shaped, and the T-shaped setting is convenient for clamping and limiting. The noise reduction cover 103 is placed on the right side wall of the fixing ring 102, and the clamping frame 106 is rotated to make it located in the inner cavity of the clamping groove. By rotating the action screw 104, it is convenient to drive the moving frame 105 to move on its outer wall, and the clamping frame 106 is driven to move by the moving frame 105. The clamping frame 106 is clamped to the left side wall of the fixing ring 102 for installation and fixing, and the disassembly can be completed by reversing the screw rod 104, so that the device can be convenient for installing and disassembling the noise reduction cover 103, and convenient for maintenance work on the brake 101, which is beneficial to improving work efficiency. The inner wall of the noise reduction cover 103 is fixedly connected to the noise reduction cotton 107, and the noise reduction cotton 107 is made of sound-absorbing sponge, and flame retardant material is added to the sound-absorbing sponge. The surface of the noise reduction cotton 107 is evenly provided with noise reduction bumps, and the noise reduction bumps are arranged in a quadrangular pyramid shape; the noise reduction cover 103 can block the noise generated by the brake 101, and the inner cavity thereof is provided with noise reduction cotton 107. The noise generated by braking can be effectively reduced by the noise reduction cotton 107, and the quadrangular pyramidal bumps on the noise reduction cotton 107 can The noise can be rebounded and weakened, so that the device can be convenient for reducing the noise generated by braking, and the noise reduction effect is good, which can make people working near the motor more comfortable and reduce noise pollution. The right side wall of the noise reduction cover 103 is evenly fixedly connected to the guide rod 108, and the guide rod 108 is convenient for guiding and limiting the movement of the mobile frame 105, and the mobile frame 105 is located on the outer wall of the guide rod 108; by setting the guide rod 108, it is convenient to guide the movement of the mobile frame 105 to avoid the deflection of the mobile frame 105, which is conducive to driving the clamping frame 106 to perform translation clamping, and the right end of the guide rod 108 is fixedly connected to the limiting cover 109, and the limiting cover 109 is convenient for limiting the clamping frame 106, and the clamping frame 106 is located on the inner wall of the limiting cover 109;The moving frame 105 drives the clamping frame 106 to move to the inner cavity of the limiting cover 109. The limiting cover 109 is convenient for limiting the clamping frame 106 to prevent the clamping frame 106 from deflecting. The device can easily limit the clamping frame 106 and place the clamping frame 106 in the inner cavity of the clamping groove, which is conducive to improving the installation efficiency. The left wall of the noise reduction cover 103 is fixedly connected with a noise reduction sealing ring 110, which is made of rubber material and is located on the right side wall of the fixed ring 102; the noise reduction sealing ring 110 is provided to facilitate sealing at the installation interface, which is conducive to the sealing of the device and increases the noise reduction effect. ;

[0022] Working principle: Place the noise reduction cover 103 on the right side wall of the fixing ring 102, rotate the clamping frame 106 to make it located in the inner cavity of the clamping groove, and rotate the action screw 104 to facilitate the movement of the movable frame 105 on its outer wall, and drive the clamping frame 106 to move through the movable frame 105, so that the clamping frame 106 is clamped to the left side wall of the fixing ring 102 for installation and fixation, and the reversal of the action screw 104 can complete the disassembly, which can make the device convenient for installation and disassembly of the noise reduction cover 103, and convenient for maintenance of the brake 101, which is conducive to improving work efficiency. The noise reduction cover 103 can block the noise generated by the brake 101, and its inner cavity is provided with noise reduction cotton 107, which can effectively reduce the noise generated by braking. The four-sided pyramidal protrusions on the noise reduction cotton 107 can rebound and weaken the noise, so that the device can easily reduce the noise generated by braking, and the noise reduction effect is good, which can make people working near the motor more comfortable and reduce noise pollution.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction mechanism for a motor brake, comprising a motor body (100), characterized in that: The right side wall of the motor body (100) is provided with a brake (101), the outer wall of the motor body (100) is provided with a fixing ring (102), the outer wall of the fixing ring (102) is evenly provided with snap-fit ​​grooves, the right side wall of the fixing ring (102) is provided with a noise reduction cover (103), the right side wall of the noise reduction cover (103) is provided with an action screw (104), the outer wall of the action screw (104) is screwed with a moving frame (105), the outer wall of the moving frame (105) is evenly provided with snap-fit ​​frames (106), and the snap-fit ​​frames (106) are arranged in a T-shape.

2. The noise reduction mechanism of a motor brake according to claim 1, characterized in that: The inner wall of the noise reduction cover (103) is provided with noise reduction cotton (107), and the surface of the noise reduction cotton (107) is evenly provided with noise reduction protrusions, and the noise reduction protrusions are arranged in a quadrangular pyramid shape.

3. The noise reduction mechanism of a motor brake according to claim 1, characterized in that: The right side wall of the noise reduction cover (103) is evenly provided with guide rods (108), and the movable frame (105) is located on the outer wall of the guide rods (108).

4. The noise reduction mechanism of a motor brake according to claim 3, characterized in that: A limiting cover (109) is provided at the right end of the guide rod (108), and the clamping frame (106) is located on the inner wall of the limiting cover (109).

5. The noise reduction mechanism of a motor brake according to claim 1, characterized in that: A noise reduction sealing ring (110) is provided on the left side wall of the noise reduction cover (103), and the noise reduction sealing ring (110) is located on the right side wall of the fixing ring (102).

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