Brake capable of improving wear resistance

Abstract

The brake comprises a driving shaft, a front inner bearing, a rear inner bearing and a limiting bearing, the front inner bearing is arranged on the outer side of the left end of the driving shaft, an inner clamping shell is arranged on the outer side of the front inner bearing, a front protection shell is arranged on the outer side of the inner clamping shell, a plurality of sets of fixing bases are arranged on the outer side of the left end of the front protection shell, and the fixing bases are arranged on the outer side of the left end of the front protection shell. Compared with the prior art, the brake shell has the following advantages that abrasion generated when the driving shaft rotates is reduced through the front inner bearing, the limiting bearing and the rear inner bearing, external dust is prevented from entering the brake shell through the inner clamping shell and the front protection shell, and therefore the brake shell is not prone to falling off, and the service life of the brake shell is prolonged. The rear inner bearing and the limiting bearing are positioned through the rear blocking piece and the inner partition plate, meanwhile, the position of the driving shaft can be limited through the limiting bearing, and therefore small-amplitude deviation of the position of the driving shaft is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic powder brakes and relates to a brake with improved wear resistance. 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 characteristics of a basically linear relationship between excitation current and transmission torque. It can transmit a certain torque without slip. It has the advantages of fast response speed, simple structure, no pollution, no noise, no impact vibration, and energy saving. Magnetic powder brake plays an important role in mechanical transmission system. The wear condition of its drive shaft and bearing has a direct impact on the operating stability of the whole system. When these key components are worn out, a series of problems may occur.

[0003] First, the greater wear of the drive shaft and bearings of the magnetic powder brake may lead to a significant decrease in transmission efficiency. Over time, wear will gradually increase, causing the gap between the drive shaft and the bearing to increase. This will cause more energy loss in the transmission process, making it difficult for the system to maintain efficient operation.

[0004] Secondly, the increase in wear may lead to increased system vibration and noise. When the drive shaft and bearing are worn to a certain extent, the uneven contact between them will cause unstable rotation, thus causing vibration. At the same time, this uneven contact will also cause high-frequency noise, which will have an adverse effect on the working environment.

[0005] In addition, the greater wear of the drive shaft and bearings may also shorten the service life of the magnetic powder brake. Due to the friction and wear of the wear parts, the surface material of the parts will gradually be consumed, resulting in a decrease in the overall strength of the parts. During continuous operation, this may lead to fatigue fracture of the parts, thus shortening the service life of the entire brake.

[0006] In summary, the wear of the drive shaft and bearings of the magnetic powder brake will lead to problems such as reduced transmission efficiency, increased system vibration and noise, and shortened equipment service life. Therefore, for mechanical transmission systems, regular inspection and maintenance of magnetic powder brakes and their key components such as drive shafts and bearings are crucial. Timely maintenance and replacement of worn parts can ensure the normal operation of the magnetic powder brake, thereby providing protection for the stability and reliability of the entire mechanical transmission system. Therefore, a brake with improved wear resistance is urgently needed to solve the above problems. Utility Model Content

[0007] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a brake with improved wear resistance to solve the problems raised in the above background technology.

[0008] The utility model is realized by the following technical scheme: a brake with improved wear resistance, comprising: a drive shaft, a front inner bearing, an inner card shell, a front protective shell, a front fixing bolt, a fixing seat, an outer protective shell, an outer sealing ring, an outer connecting shell, a rear fixing shell, an upper fixing head, a rear baffle, a rear fixing plate, a rear inner bearing, a shaft groove, a rear fixing bolt, an inner partition and a limit bearing, wherein the outer side of the left end of the drive shaft is provided with a front inner bearing, and the outer side of the front inner bearing is provided with an inner card shell;

[0009] A front protective shell is arranged outside the inner card shell, a plurality of groups of fixing seats are arranged outside the left end of the front protective shell, a front fixing bolt is arranged inside each group of the fixing seats, an outer protective shell is arranged on the left side of the plurality of groups of the fixing seats, an upper fixing head is arranged on the upper end of the outer protective shell, and an outer sealing ring is arranged on the left side of the outer protective shell;

[0010] The left side of the drive shaft passes through the front inner bearing, the limit bearing and the rear inner bearing, and is connected and fixed to the inside of the three. A rotor is provided on the left side of the shaft groove, and the rotor is connected and fixed to the inside of the shaft groove. The wear of the drive shaft during rotation can be reduced by using the front inner bearing, the limit bearing and the rear inner bearing.

[0011] As a preferred embodiment, an outer connecting shell is provided on the left side of the outer sealing ring, a rear fixing shell is provided on the left side of the outer connecting shell, a rear baffle is provided inside the rear fixing shell, and a plurality of groups of rear fixing bolts are provided inside the rear baffle.

[0012] As a preferred embodiment, a rear fixing plate is provided on the inner side of the rear baffle, a rear inner bearing is provided on the inner side of the rear fixing plate, an axis groove is provided on the inner side of the drive shaft, an inner partition is provided on the right side of the rear fixing plate, and a limit bearing is provided on the inner side of the outer sealing ring.

[0013] As a preferred embodiment, the outer side of the front inner bearing is connected and fixed to the inner side of the inner shell, the outer side of the inner shell is connected and fixed to the inner sides of two groups of front protective shells, and the two groups of front protective shells are connected and fixed by several groups of front fixing bolts, which can prevent external dust from entering the interior of the brake housing by using the inner shell and the front protective shell.

[0014] As a preferred embodiment, each group of the front fixing bolts passes through the interior of the two groups of front protective shells and is connected and fixed to a group of fixing seats, and several groups of the fixing seats, the outer protective shells and the upper fixing heads are an integrated structure.

[0015] As a preferred embodiment, several groups of internal connecting holes are provided inside the rear end of the outer protective shell, and each group of the internal connecting holes is connected and fixed to a group of rear fixing bolts. Several groups of the rear fixing bolts penetrate the rear baffle and the inner partition and position them. A brake housing is also provided on the rear side of the rear fixing shell, and the brake housing is engaged and connected to the rear fixing shell and fixed by bolts. The rear inner bearing and the limit bearing can be positioned by using the rear baffle and the inner partition. At the same time, the limit bearing can limit the position of the drive shaft, thereby preventing a small deviation in the position of the drive shaft.

[0016] As a preferred embodiment, the cross-section of the rear fixing plate is an annular structure, and the rear fixing plate is a magnetic isolation plate. The rear fixing plate has the same inner diameter as the cross-section of the rear inner bearing and completely blocks it. The rear fixing plate can reduce the magnetic influence of the magnetic powder inside the brake housing on the rear inner bearing, the front inner bearing and the limit bearing, thereby improving the wear resistance of the rear inner bearing, the front inner bearing and the limit bearing.

[0017] After adopting the above technical scheme, the beneficial effects of the utility model are: by using the front inner bearing, the limit bearing and the rear inner bearing to reduce the wear of the drive shaft during rotation, by using the inner card shell and the front protective shell to prevent external dust from entering the interior of the brake housing, by using the rear baffle and the inner partition to position the rear inner bearing and the limit bearing, and at the same time the limit bearing can limit the position of the drive shaft, thereby preventing the drive shaft position from slightly offset, by using the rear fixing plate to reduce the magnetic influence of the magnetic powder inside the brake housing on the rear inner bearing, the front inner bearing and the limit bearing, thereby improving the wear resistance of the rear inner bearing, the front inner bearing and the limit bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 It is a front right oblique side structural schematic diagram of a brake with improved wear resistance according to the utility model;

[0020] Figure 2 It is a right side structural schematic diagram of a rear baffle in a brake with improved wear resistance according to the utility model;

[0021] Figure 3 This is a right view of the structure of an inner partition in a brake for improving wear resistance according to the utility model;

[0022] Figure 4 This is an exploded view of the internal structure of a brake with improved wear resistance according to the utility model;

[0023] In the figure: 100-drive shaft, 110-front inner bearing, 120-inner card shell, 130-front protective shell, 140-front fixing bolt, 150-fixing seat, 160-outer protective shell, 170-outer sealing ring, 180-outer connecting shell, 190-rear fixing shell, 200-upper fixing head, 210-rear baffle, 220-rear fixing plate, 230-rear inner bearing, 240-shaft groove, 250-rear fixing bolt, 260-inner partition, 270-limit bearing. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 A brake with improved wear resistance, comprising: a drive shaft 100, a front inner bearing 110, a rear inner bearing 230 and a limit bearing 270, wherein the front inner bearing 110 is disposed on the outer side of the left end of the drive shaft 100, and an inner card shell 120 is disposed on the outer side of the front inner bearing 110;

[0026] A front protective shell 130 is provided on the outside of the inner card shell 120, and a plurality of groups of fixing seats 150 are provided on the outside of the left end of the front protective shell 130, and a front fixing bolt 140 is provided inside each group of fixing seats 150, and an outer protective shell 160 is provided on the left side of the plurality of groups of fixing seats 150, and an upper fixing head 200 is provided on the upper end of the outer protective shell 160, and an outer sealing ring 170 is provided on the left side of the outer protective shell 160;

[0027] The left side of the drive shaft 100 passes through the front inner bearing 110, the limit bearing 270 and the rear inner bearing 230, and is internally connected and fixed to the three. A rotor is provided on the left side of the shaft groove 240, and the rotor is connected and fixed to the inside of the shaft groove 240. The front inner bearing 110, the limit bearing 270 and the rear inner bearing 230 can be used to reduce the wear of the drive shaft 100 during rotation.

[0028] An outer connecting shell 180 is disposed on the left side of the outer sealing ring 170 , a rear fixing shell 190 is disposed on the left side of the outer connecting shell 180 , a rear baffle 210 is disposed inside the rear fixing shell 190 , and a plurality of groups of rear fixing bolts 250 are disposed inside the rear baffle 210 .

[0029] A rear fixing plate 220 is provided inside the rear baffle 210 , a rear inner bearing 230 is provided inside the rear fixing plate 220 , an axis groove 240 is provided inside the drive shaft 100 , an inner partition plate 260 is provided on the right side of the rear fixing plate 220 , and a limit bearing 270 is provided inside the outer sealing ring 170 .

[0030] See also Figure 1-Figure 4 As the first embodiment of the utility model: In order to solve the problem that the large wear of the driving shaft 100 and the bearing of the powder brake may cause a significant decrease in transmission efficiency, the wear will gradually increase over time, resulting in an increase in the gap between the driving shaft 100 and the bearing. First, when the driving shaft 100 rotates, since the left side of the driving shaft 100 passes through the front inner bearing 110, the limit bearing 270 and the rear inner bearing 230, and is internally connected and fixed with the three, a rotor is provided on the left side of the shaft groove 240, and the rotor is connected and fixed with the inside of the shaft groove 240, and the driving shaft 100 is in the front inner bearing 1 10. When the limit bearing 270 and the rear inner bearing 230 rotate internally, the wear of the drive shaft 100 during rotation can be reduced. At the same time, since the cross-section of the rear fixing plate 220 is an annular structure, the rear fixing plate 220 is a magnetic isolation plate, and the inner diameter of the rear fixing plate 220 and the rear inner bearing 230 are the same, and they are completely blocked. When the magnetic powder inside the brake housing is magnetized and brakes the rotor and the drive shaft 100, the rear fixing plate 220 can completely block the magnetism of the magnetic powder to prevent the magnetic force from generating braking force on the front inner bearing 110, the limit bearing 270 and the rear inner bearing 230 and increasing the wear.

[0031] The outer side of the front inner bearing 110 is connected and fixed to the inner side of the inner shell 120, and the outer side of the inner shell 120 is connected and fixed to the inner sides of the two groups of front protective shells 130, and the two groups of front protective shells 130 are connected and fixed by several groups of front fixing bolts 140. By using the inner shell 120 and the front protective shell 130, external dust can be prevented from entering the interior of the brake housing.

[0032] Each group of front fixing bolts 140 penetrates through the interior of the two groups of front protective shells 130 and is connected and fixed to a group of fixing seats 150 . Several groups of fixing seats 150 , the outer protective shell 160 and the upper fixing head 200 are an integrated structure.

[0033] Several groups of internal connection holes are provided inside the rear end of the outer protective shell 160, and each group of internal connection holes is connected and fixed to a group of rear fixing bolts 250. Several groups of rear fixing bolts 250 all penetrate the rear baffle 210 and the inner partition 260 and position them. A brake housing is also provided on the rear side of the rear fixing shell 190. The brake housing is engaged and connected to the rear fixing shell 190 and fixed by bolts. The rear inner bearing 230 and the limit bearing 270 can be positioned by using the rear baffle 210 and the inner partition 260. At the same time, the limit bearing 270 can limit the position of the drive shaft 100, thereby preventing the position of the drive shaft 100 from being slightly offset.

[0034] The cross section of the rear fixing plate 220 is an annular structure. The rear fixing plate 220 is a magnetic isolation plate. The rear fixing plate 220 has the same inner diameter as the cross section of the rear inner bearing 230 and is completely shielded. The rear fixing plate 220 can reduce the magnetic influence of the magnetic powder inside the brake housing on the rear inner bearing 230, the front inner bearing 110, and the limit bearing 270, thereby improving the wear resistance of the rear inner bearing 230, the front inner bearing 110, and the limit bearing 270.

[0035] See also Figure 1-Figure 4 , as the second embodiment of the utility model: based on the description in the above embodiments, further, since the outer side of the front inner bearing 110 is connected and fixed to the inner side of the inner shell 120, the outer side of the inner shell 120 is connected and fixed to the inner sides of the two groups of front protective shells 130, and the two groups of front protective shells 130 are connected and fixed by several groups of front fixing bolts 140, when the drive shaft 100 rotates, the front protective shell 130 and the inner shell 120 can effectively prevent external dust from entering the interior of the front inner bearing 110 to ensure the normal operation of the drive shaft 100.

[0036] 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 brake with improved wear resistance, comprising: A drive shaft (100), a front inner bearing (110), a rear inner bearing (230) and a limit bearing (270), characterized in that: a front inner bearing (110) is provided on the outer side of the left end of the drive shaft (100), and an inner casing (120) is provided on the outer side of the front inner bearing (110); A front protective shell (130) is provided on the outside of the inner casing (120), a plurality of groups of fixing seats (150) are provided on the outside of the left end of the front protective shell (130), a front fixing bolt (140) is provided inside each group of the fixing seats (150), an outer protective shell (160) is provided on the left side of the plurality of groups of the fixing seats (150), an upper fixing head (200) is provided at the upper end of the outer protective shell (160), and an outer sealing ring (170) is provided on the left side of the outer protective shell (160); The left side of the driving shaft (100) passes through the interior of the front inner bearing (110), the limit bearing (270) and the rear inner bearing (230), and is internally connected and fixed to the three.

2. A brake with improved wear resistance according to claim 1, characterized in that: An outer connecting shell (180) is provided on the left side of the outer sealing ring (170), a rear fixing shell (190) is provided on the left side of the outer connecting shell (180), a rear baffle (210) is provided inside the rear fixing shell (190), and a plurality of groups of rear fixing bolts (250) are provided inside the rear baffle (210).

3. A brake with improved wear resistance according to claim 2, characterized in that: A rear fixing plate (220) is provided on the inner side of the rear baffle (210), a rear inner bearing (230) is provided on the inner side of the rear fixing plate (220), an axis groove (240) is provided on the inner side of the drive shaft (100), an inner partition plate (260) is provided on the right side of the rear fixing plate (220), a limit bearing (270) is provided on the inner side of the outer sealing ring (170), a rotor is provided on the left side of the axis groove (240), and the rotor is connected and fixed in a chimeric manner inside the axis groove (240).

4. The brake with improved wear resistance according to claim 1, characterized in that: The outer side of the front inner bearing (110) is connected and fixed to the inner side of the inner casing (120), the outer side of the inner casing (120) is connected and fixed to the inner sides of two groups of front protective casings (130), and the two groups of front protective casings (130) are connected and fixed by a plurality of groups of front fixing bolts (140).

5. A brake with improved wear resistance according to claim 4, characterized in that: Each group of the front fixing bolts (140) penetrates through the interior of the two groups of front protective shells (130) and is connected and fixed to a group of fixing seats (150). Several groups of the fixing seats (150) form an integrated structure with the outer protective shell (160) and the upper fixing head (200).

6. A brake with improved wear resistance according to claim 5, characterized in that: A plurality of groups of internal connection holes are provided inside the rear end of the outer protective shell (160), and each group of the internal connection holes is connected and fixed to a group of rear fixing bolts (250). The plurality of groups of the rear fixing bolts (250) penetrate the rear baffle (210) and the inner partition (260) to position them. A brake housing is also provided on the rear side of the rear fixing shell (190), and the brake housing is engaged and connected to the rear fixing shell (190) and fixed by bolts.

7. The brake with improved wear resistance according to claim 3, characterized in that: The cross section of the rear fixing plate (220) is an annular structure. The rear fixing plate (220) is a magnetic isolation plate. The rear fixing plate (220) and the rear inner bearing (230) have the same inner diameter in cross section and are completely shielded.

Images