Noise reduction type brake

Abstract

The noise reduction type brake comprises a rotating shaft, an outer connecting bearing, a magnetic attraction area, sound insulation cotton, a magnetic powder bin and a rotor bin, the outer connecting bearing is arranged on the left side of the rotating shaft, an outer connecting base is arranged on the outer side of the outer connecting bearing, and a plurality of sets of inner connecting holes are formed in the outer side of the left end of the outer connecting base; an inner connecting hole is formed in the outer connecting seat, an inner sealing ring is arranged on the left side of the inner connecting hole, a front fixing cover is arranged on the left side of the inner sealing ring, and a main shell is arranged on the left side of the front fixing cover. The front fixing cover and the rear fixing cover are used for facilitating maintenance personnel to disassemble the interior of the main shell, the two sealing rings are used for preventing dust from entering the interior of the main shell, the sound insulation cavity and the sound insulation cotton are used for reducing noise generated when the rotor rotates, corresponding braking is formed for the rotor through the magnetic attraction area, and therefore the efficient braking effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic powder brakes and relates to a noise reduction brake. Background Art

[0002] Magnetic powder brake is a brake that uses magnetic powder to transmit torque. Its working principle is to use the interaction of excitation current in magnetic powder to generate braking torque. Magnetic powder brake has the advantages of fast response speed, simple structure, no pollution, no noise, no impact vibration and energy saving. It is widely used in tension control, dynamometer loading and braking. Magnetic powder brake plays an important role in many industrial applications. However, if the magnetic powder brake cannot suppress noise, it may cause a series of problems.

[0003] First of all, noise pollution is an issue that cannot be ignored. Excessive noise not only poses a potential threat to workers' hearing health, but also affects their production efficiency and working environment. If the magnetic powder brake cannot effectively suppress noise, the entire workplace may become noisy, making it difficult for workers to concentrate on their work and may even cause hearing problems.

[0004] Secondly, the performance of the magnetic powder brake may be affected. If the noise inside the brake is too loud, it may cause the internal parts to loosen or even cause damage to the parts. This will directly affect the performance of the brake and prevent it from working properly. In addition, excessive noise may increase the temperature of the magnetic powder brake, further affecting its performance and life.

[0005] Furthermore, the noise problem of magnetic powder brakes may have an impact on the surrounding environment. If a factory's magnetic powder brakes are too noisy, it may interfere with the lives of surrounding residents, causing complaints and disputes. In addition, excessive noise may have a negative impact on the factory's reputation, thereby affecting its market competitiveness and customer trust.

[0006] Finally, the noise problem of magnetic powder brakes may cause safety issues. Excessive noise may mask other important sound signals, such as alarms or communication between workers. This may prevent people from responding in time to dangerous situations, resulting in safety accidents.

[0007] In summary, the inability of magnetic powder brakes to suppress noise will cause many problems, including but not limited to noise pollution, performance impact, environmental impact and safety issues. Therefore, there is an urgent need for a noise reduction brake to solve the above problems. Utility Model Content

[0008] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a noise reduction brake to solve the problems raised in the above background technology.

[0009] The utility model is realized by the following technical scheme: a noise reduction brake, comprising: a rotating shaft and a rotor bin, an external connection bearing is provided on the left side of the rotating shaft, and an external connection seat is provided on the outer side of the external connection bearing;

[0010] A plurality of groups of internal connection holes are provided inside the outer side of the left end of the external connection seat, an inner sealing ring is provided on the left side of the internal connection hole, a front fixing cover is provided on the left side of the inner sealing ring, a main shell is provided on the left side of the front fixing cover, a rear fixing cover is provided on the left side of the main shell, and a support seat is provided at the lower end of the main shell;

[0011] The rotating shaft is connected and fixed to the inside of the external connecting bearing, the outer side of the external connecting bearing and the external connecting seat are an integrated structure, the external connecting seat is connected and fixed to the inner sealing ring and the front fixing cover by several groups of bolts, and each group of bolts corresponds to a group of internal connecting holes for penetration connection, and the driving shaft can be kept rotating stably by using the external connecting bearing and the external connecting seat.

[0012] As a preferred embodiment, a bottom plate is provided at the lower end of the support seat, a plurality of groups of rear connecting holes are provided on the rear side of the inner part of the main shell, sound insulation cotton is provided on the inner side of the main shell, a plurality of groups of magnetic powder bins are provided on the inner side of the sound insulation cotton, a plurality of groups of rotor bins are provided on the inner side of the magnetic powder bin, a support seat is provided at the lower end of the main shell, and a bottom plate is provided at the lower end of the support seat.

[0013] As a preferred embodiment, the left cross-section of the front fixed cover is a circular structure, and the cross-section of the rear fixed cover is a circular structure. The cross-section diameters of the front fixed cover and the rear fixed cover are the same in length. By using the front fixed cover and the rear fixed cover, maintenance personnel can easily disassemble the interior of the main shell.

[0014] As a preferred embodiment, the front fixing cover and the rear fixing cover are both connected and fixed to the main shell by bolts, and sound insulation cotton is provided inside. Each group of bolts corresponds to a group of rear connecting holes that penetrate and connect inside. The front fixing cover and the rear fixing cover are respectively connected to the main shell by a group of sealing rings. By using two groups of sealing rings, dust can be prevented from entering the inside of the main shell.

[0015] As a preferred embodiment, a rotor is provided on the left side of the rotating shaft, the outer side of the rotating shaft is connected and fixed to the outer connecting bearing and the inner side of the inner connecting bearing, and several groups of magnetic attraction areas are provided on the outer side of the rotor, and the several groups of magnetic attraction areas are evenly distributed on the outer side of the rotor.

[0016] As a preferred embodiment, a group of sound insulation cavities are further provided on the inner side of the main shell, and the interior of the sound insulation cavities is interlocked with sound insulation cotton. The cross-section of the sound insulation cavities is an annular structure, and the rotor and the interior of the rotor bin are interlocked. The noise during the rotation of the rotor can be reduced by using the sound insulation cavities and sound insulation cotton.

[0017] As a preferred embodiment, the inner side of the sound insulation cavity and the inner cover shell are an integrated structure, and several groups of magnetic powder bins are evenly distributed in a ring structure. Each group of magnetic powder bins is provided with magnetic powder inside, and each group of magnetic powder bins corresponds to a group of magnetic suction areas. The magnetic suction areas can be used to form corresponding braking on the rotor, thereby providing an efficient braking effect.

[0018] After adopting the above technical scheme, the beneficial effects of the utility model are: by using an external connecting bearing and an external connecting seat to maintain the stable rotation of the drive shaft, by using a front fixing cover and a rear fixing cover to facilitate maintenance personnel to disassemble the inside of the main shell, by using two sets of sealing rings to prevent dust from entering the inside of the main shell, by using a sound insulation cavity and sound insulation cotton to reduce the noise during the rotation of the rotor, and by using a magnetic attraction area to form a corresponding brake on the rotor, thereby providing a high-efficiency braking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model 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, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the structure of a noise reduction brake in a right oblique front view according to the utility model;

[0021] Figure 2 The utility model is a noise reduction type brake Figure 1 Schematic diagram of the mirror structure;

[0022] Figure 3 This is a schematic diagram of the left oblique rear view of the rotor in a noise reduction brake of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the right side view inside the main housing of a noise reduction brake of the utility model;

[0024] In the figure: 100-swivel shaft, 110-external connecting bearing, 120-external connecting seat, 130-internal connecting hole, 140-inner sealing ring, 150-front fixing cover, 160-main shell, 170-rear fixing cover, 180-support seat, 190-bottom plate, 200-inner connecting bearing, 210-magnetic suction area, 220-rear connecting hole, 230-sound insulation cotton, 240-inner cover shell, 250-magnetic powder bin, 260-rotor bin. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 4 A noise reduction brake comprises: a rotating shaft 100, a magnetic attraction area 210, a sound insulation cotton 230, a magnetic powder bin 250 and a rotor bin 260, an external connecting bearing 110 is provided on the left side of the rotating shaft 100, and an external connecting seat 120 is provided on the outer side of the external connecting bearing 110;

[0027] A plurality of groups of inner connection holes 130 are provided inside the outer side of the left end of the outer connection seat 120, an inner sealing ring 140 is provided on the left side of the inner connection hole 130, a front fixing cover 150 is provided on the left side of the inner sealing ring 140, a main shell 160 is provided on the left side of the front fixing cover 150, a rear fixing cover 170 is provided on the left side of the main shell 160, and a support seat 180 is provided at the lower end of the main shell 160;

[0028] The rotating shaft 100 is connected and fixed to the inside of the external connecting bearing 110, and the outer side of the external connecting bearing 110 and the external connecting seat 120 are an integrated structure. The external connecting seat 120 is connected and fixed to the inner sealing ring 140 and the front fixing cover 150 by several groups of bolts, and each group of bolts corresponds to a group of internal connecting holes 130 that are connected through, so that the driving shaft can be kept rotating stably by using the external connecting bearing 110 and the external connecting seat 120.

[0029] A bottom plate 190 is provided at the lower end of the support seat 180, a plurality of rear connecting holes 220 are provided on the inner rear side of the main shell 160, sound insulation cotton 230 is provided on the inner side of the main shell 160, a plurality of magnetic powder bins 250 are provided on the inner side of the sound insulation cotton 230, a plurality of rotor bins 260 are provided on the inner side of the magnetic powder bins 250, a support seat 180 is provided at the lower end of the main shell 160, and a bottom plate 190 is provided at the lower end of the support seat 180.

[0030] The left cross-section of the front fixing cover 150 is a circular structure, and the cross-section of the rear fixing cover 170 is a circular structure. The cross-sectional diameters of the front fixing cover 150 and the rear fixing cover 170 are the same. By using the front fixing cover 150 and the rear fixing cover 170, it is convenient for maintenance personnel to disassemble the interior of the main shell 160.

[0031] The front fixing cover 150 and the rear fixing cover 170 are both connected and fixed to the main shell 160 by bolts, and sound insulation cotton 230 is arranged inside. Each set of bolts corresponds to a set of rear connecting holes 220 which penetrate and connect inside. The front fixing cover 150 and the rear fixing cover 170 are respectively connected to the main shell 160 by a set of sealing rings. By using two sets of sealing rings, dust can be prevented from entering the interior of the main shell 160.

[0032] A rotor is provided on the left side of the rotating shaft 100. The outer side of the rotating shaft 100 is connected and fixed to the outer connecting bearing 110 and the inner side of the inner connecting bearing 200. A plurality of groups of magnetic attraction areas 210 are provided on the outer side of the rotor, and the plurality of groups of magnetic attraction areas 210 are evenly distributed on the outer side of the rotor.

[0033] A group of sound insulation cavities are also provided on the inner side of the main shell 160, and the sound insulation cotton 230 is interlocked inside the sound insulation cavity. The cross-section of the sound insulation cavity is an annular structure, and the rotor and the rotor bin 260 are interlocked. The sound insulation cavity and the sound insulation cotton 230 can be used to reduce the noise when the rotor rotates.

[0034] See also Figure 1-Figure 4 , as the first embodiment of the utility model: in order to solve the problem that excessive noise not only poses a potential threat to the hearing health of workers, but also affects their production efficiency and working environment, if the magnetic powder brake cannot effectively suppress the noise, the entire workplace may become noisy. When the staff uses the utility model, when the drive shaft rotates, the outer connecting bearing 110 and the inner connecting bearing 200 drive the rotor to rotate. When the magnetic powder inside the several groups of magnetic powder bins 250 inside the main shell 160 are energized, the several groups of magnetic powder bins 250 will generate braking force on the magnetic suction area 210 outside the rotor. Since a group of sound insulation cavities are also provided on the inside of the main shell 160, the inside of the sound insulation cavity is interlocked with the sound insulation cotton 230, and the cross-section of the sound insulation cavity is a ring-shaped structure, the sound insulation cotton 230 inside the sound insulation cavity and the sound insulation cotton 230 inside the front fixing cover 150 and the rear fixing cover 170 will block the noise inside the main shell 160 to achieve the purpose of noise reduction.

[0035] The inner side of the soundproof cavity and the inner cover shell 240 are an integrated structure, and several groups of magnetic powder bins 250 are evenly distributed in a ring structure. Each group of magnetic powder bins 250 is provided with magnetic powder inside, and each group of magnetic powder bins 250 corresponds to a group of magnetic attraction areas 210. The magnetic attraction areas 210 can be used to form corresponding braking on the rotor, thereby providing an efficient braking effect.

[0036] See also Figure 1-Figure 4, as the second embodiment of the utility model: based on the description in the above embodiment, further, since the inner side of the sound insulation cavity and the inner cover shell 240 are an integrated structure, several groups of magnetic powder bins 250 are evenly distributed in an annular structure, each group of magnetic powder bins 250 is provided with magnetic powder inside, and each group of magnetic powder bins 250 corresponds to a group of magnetic attraction areas 210. When the magnetic powder inside the magnetic powder bin 250 is energized, the annularly distributed magnetic powder bins 250 and the annularly structured magnetic attraction areas 210 can be braked accordingly, thereby improving the braking effect.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction brake, comprising: A rotating shaft (100), a magnetic attraction area (210), sound insulation cotton (230), a magnetic powder bin (250) and a rotor bin (260), characterized in that an external connecting bearing (110) is provided on the left side of the rotating shaft (100), and an external connecting seat (120) is provided on the outside of the external connecting bearing (110); A plurality of groups of internal connection holes (130) are provided inside the outer side of the left end of the external connection seat (120); an inner sealing ring (140) is provided on the left side of the internal connection hole (130); a front fixing cover (150) is provided on the left side of the inner sealing ring (140); a main shell (160) is provided on the left side of the front fixing cover (150); a rear fixing cover (170) is provided on the left side of the main shell (160); and a support seat (180) is provided at the lower end of the main shell (160); The rotating shaft (100) is connected and fixed to the inside of the external connecting bearing (110); the outside of the external connecting bearing (110) and the external connecting seat (120) are an integrated structure; the external connecting seat (120) is connected and fixed to the inner sealing ring (140) and the front fixing cover (150) by means of a plurality of groups of bolts, and each group of bolts is connected through a corresponding group of inner connecting holes (130).

2. A noise reduction brake according to claim 1, characterized in that: The support seat (180) has a bottom plate (190) at its lower end, a plurality of groups of rear connection holes (220) are provided on the rear side of the main shell (160), and sound insulation cotton (230) is provided on the inner side of the main shell (160); A plurality of groups of magnetic powder bins (250) are arranged inside the sound insulation cotton (230), a plurality of groups of rotor bins (260) are arranged inside the magnetic powder bins (250), a support seat (180) is arranged at the lower end of the main shell (160), and a bottom plate (190) is arranged at the lower end of the support seat (180).

3. A noise reduction brake according to claim 1, characterized in that: The left cross section of the front fixing cover (150) is a circular structure, the cross section of the rear fixing cover (170) is a circular structure, and the cross sections of the front fixing cover (150) and the rear fixing cover (170) have the same diameter and length.

4. A noise reduction brake according to claim 1, characterized in that: The front fixing cover (150) and the rear fixing cover (170) are both connected and fixed to the main shell (160) by bolts, and are both provided with sound insulation cotton inside. Each group of bolts corresponds to a group of rear connection holes (220) that penetrate and connect inside. The front fixing cover (150) and the rear fixing cover (170) are respectively connected to the main shell (160) by a group of sealing rings.

5. The noise reduction brake according to claim 1, characterized in that: A rotor is provided on the left side of the rotating shaft (100); the outer side of the rotating shaft (100) is connected and fixed to the outer connecting bearing (110) and the inner side of the inner connecting bearing (200); a plurality of groups of magnetic attraction areas (210) are provided on the outer side of the rotor; and the plurality of groups of magnetic attraction areas (210) are evenly distributed on the outer side of the rotor.

6. A noise reduction brake according to claim 1, characterized in that: A group of sound insulation cavities are also provided on the inner side of the main shell (160), and the interior of the sound insulation cavities is interlocked with the sound insulation cotton (230). The cross-section of the sound insulation cavities is an annular structure, and the rotor is interlocked with the interior of the rotor bin (260).

7. A noise reduction brake according to claim 6, characterized in that: The inner side of the soundproof cavity and the inner cover shell (240) are an integrated structure, and a plurality of groups of magnetic powder bins (250) are evenly distributed in a ring structure, each group of magnetic powder bins (250) is provided with magnetic powder inside, and each group of magnetic powder bins (250) is provided corresponding to a group of magnetic attraction areas (210).

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