Magnetic suspension bearing with long service life

Abstract

The utility model relates to the field of bearing devices, and discloses a magnetic suspension long-life bearing which comprises a fixing device and a bearing body, the bearing body is arranged at the top end of the fixing device, the fixing device comprises a mounting seat, and four mounting holes are formed in the top end of the mounting seat in a rectangular array mode. Four fixing plates are arranged at the top end of the mounting base in a circumferential array mode, sleeves are fixedly connected to the sides, close to the middle of the mounting base, of the four fixing plates correspondingly, springs are arranged on the inner side walls of the four sleeves correspondingly, sliding rods are slidably connected to the inner side walls of the four sleeves correspondingly, and four electromagnets are arranged at the top end of the mounting base in a circumferential array mode. Four grooves are formed in the inner side wall of the outer ring in a circumferential array mode. According to the magnetic suspension bearing with the long service life, the bearing can rotate at a high speed through the arrangement of the fixing device, friction force does not exist, and the service life of the whole device is further prolonged through the arrangement of the bearing main body.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing device field especially relates to a magnetic suspension long -life bearing. BACKGROUND

[0002] Electromagnetic bearing is the sliding bearing that makes the shaft suspend using electric field force, magnetic field force, is used for electromagnetic bearing because the shaft and bearing have no direct contact, need not lubrication, can work in vacuum and very wide temperature range, friction resistance is small, is not limited by speed, service life is long, structure can diversify.

[0003] Although prior art reduces friction force generated by workpiece rotation through bearing, bearing is prone to deviation during rotation, resulting in damage to equipment caused by long time use, therefore, the technical personnel in the art provides a magnetic suspension long -life bearing to solve the problems in the background art. UTILITY MODEL CONTENT

[0004] The utility model discloses a magnetic suspension long -life bearing that provides a kind of by setting fixed device, so that bearing can carry out high-speed rotation, and there is no friction, by setting bearing main body, further improve the service life of the whole device of device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of magnetic suspension long -life bearing, including fixed device and bearing main body, the bearing main body is set in the top of fixed device, the fixed device includes mounting seat, the top of mounting seat is rectangular array with four mounting holes, the top of mounting seat is circular array with four fixed plates, four The fixed plate close to mounting seat middle part side is respectively fixedly connected with sleeve, four The spring is arranged in the inner wall of sleeve, four The slide rod is slidably connected to the inner wall of sleeve, the top of mounting seat is circular array with four electromagnet;

[0006] By the above technical scheme, by setting fixed device, four electromagnets are provided on the top of mounting seat, four electromagnets are used to exert repulsive magnetic force on inner ring, so that inner ring is in suspended state, so that bearing can carry out high-speed rotation, and there is no friction.

[0007] Further, the bearing main body includes outer ring, the inner wall of the outer ring is circular array with four recesses, four The limit block is slidably connected to the inner wall of recess, four The rolling cylinder is rotatably connected to the inner wall of limit block, the inner wall of the outer ring is rotatably connected with inner ring, the top of the outer ring is fixedly connected with protection ring, the top of protection ring is provided with cover plate, the bottom of the outer ring is fixedly connected with the middle part of the top of mounting seat;

[0008] By the technical scheme, the bearing body is arranged, the protective ring is arranged at the top of the outer ring, and the drying agent is arranged in the protective ring, so that the moisture generated in the working process of the device can be absorbed, and the service life of the device as a whole is further improved.

[0009] Further, the four sliding rods are respectively in contact with the limiting blocks through the side walls of the outer ring.

[0010] By the technical scheme, the inner ring is effectively kept in the central position.

[0011] Further, the cover plate is matched with the protective ring, and the top of the cover plate is provided with a plurality of through holes in a circumferential array.

[0012] By the technical scheme, the moisture around the device can be effectively absorbed.

[0013] Further, the inner ring is in sliding connection with the side walls of the four rollers.

[0014] By the technical scheme, the position of the inner ring can be effectively adjusted.

[0015] Further, one end of each of the four springs is fixedly connected with the inner side wall of each of the four sleeves, and the other end of each of the four springs is fixedly connected with the other end of each of the four sliding rods.

[0016] By the technical scheme, the springs can be effectively installed.

[0017] Further, the four limiting blocks are matched with the inner side walls of the four grooves.

[0018] By the technical scheme, the limiting blocks can be effectively installed.

[0019] Further, the inner side wall of the protective ring is filled with the drying agent.

[0020] By the technical scheme, the moisture can be effectively absorbed.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. In the utility model, four electromagnets are arranged at the top of the mounting seat, the mutual repulsion magnetic force is exerted on the inner ring by the four electromagnets, so that the inner ring is in a suspended state, the bearing can rotate at high speed, and there is no friction.

[0023] 2. In the utility model, sleeves are arranged at the top of the mounting seat, and pressure is exerted by the four sliding rods, so that the four limiting blocks can keep the inner ring in the middle of the outer ring, the position of the inner ring can be prevented from deviating during rotation, and the service life of the device as a whole is improved.

[0024] 3、 The utility model discloses a bearing main body is set up, and the protective ring is set up at the top of outer ring, and the dry agent is placed in the protective ring, can absorb the moisture that produces in the device working process, further improves the service life of device whole. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A perspective view of a magnetic suspension long-life bearing is provided for the utility model;

[0026] Figure 2 A plan view of a magnetic suspension long-life bearing is provided for the utility model;

[0027] Figure 3 An elevation view of a magnetic suspension long-life bearing is provided for the utility model;

[0028] Figure 4 A perspective view of a magnetic suspension long-life bearing is provided for the utility model.

[0029] LEGEND:

[0030] 1, fixed device, 101, mounting seat, 102, fixed plate, 103, mounting hole, 104, sleeve, 105, electromagnet, 106, spring, 107, slide rod, 2, bearing main body, 201, inner ring, 202, cover plate, 203, outer ring, 204, protective ring, 205, limit block, 206, recess, 207, roller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] REFERENCE Figures 1-4This utility model provides an embodiment of a magnetically levitated high-life bearing, comprising a fixing device 1 and a bearing body 2. The bearing body 2 is disposed at the top of the fixing device 1. The fixing device 1 includes a mounting base 101. The top of the mounting base 101 has four mounting holes 103 arranged in a rectangular array. The top of the mounting base 101 has four fixing plates 102 arranged in a circular array. Sleeves 104 are fixedly connected to the four fixing plates 102 near the middle of the mounting base 101. Springs 106 are provided on the inner sidewalls of the four sleeves 104. Sliding rods 107 are slidably connected to the inner sidewalls of the four sleeves 104. Four electromagnets 105 are arranged in a circular array at the top of the mounting base 101. By setting the fixing device 1 and the four electromagnets 105 at the top of the mounting base 101, the four electromagnets 105 apply mutually repulsive magnetic forces to the inner ring 201, so that the inner ring 201 is in a levitated state, allowing the bearing to rotate at high speed without friction.

[0033] The bearing body 2 includes an outer ring 203. The inner wall of the outer ring 203 has four grooves 206 arranged in a circumferential array. The inner walls of the four grooves 206 are slidably connected to limit blocks 205. The inner walls of the four limit blocks 205 are rotatably connected to rollers 207. The inner wall of the outer ring 203 is rotatably connected to an inner ring 201. A protective ring 204 is fixedly connected to the top of the outer ring 203. A cover plate 202 is provided at the top of the protective ring 204. The bottom of the outer ring 203 is fixedly connected to the middle of the top of the mounting base 101. By setting the bearing body 2 and providing a protective ring 204 at the top of the outer ring 203, and placing a desiccant in the protective ring 204, the moisture generated during the operation of the device can be absorbed, further improving the overall service life of the device.

[0034] Four sliding rods 107 pass through the side wall of the outer ring 203 and contact the limiting block 205. The cover plate 202 and the protective ring 204 are adapted to each other, and the top of the cover plate 202 has several through holes in a circumferential array. The inner ring 201 is slidably connected to the side wall of the four rollers 207. One end of the four springs 106 is fixedly connected to the bottom end of the inner side wall of the four sleeves 104, and the other end of the four springs 106 is fixedly connected to the other end of the four sliding rods 107. The four limiting blocks 205 are adapted to the inner side wall of the four grooves 206. The inner side wall of the protective ring 204 is filled with desiccant. By setting the sleeve 104 at the top of the mounting base 101 and applying pressure with the four sliding rods 107, the four limiting blocks 205 can keep the inner ring 201 in the middle of the outer ring 203, preventing the inner ring 201 from shifting position when rotating, and improving the overall service life of the device.

[0035] Working principle: By setting a fixing device 1, four electromagnets 105 are set at the top of the mounting base 101. The four electromagnets 105 apply mutually repulsive magnetic forces to the inner ring 201, so that the inner ring 201 is in a suspended state, allowing the bearing to rotate at high speed without friction. By setting a sleeve 104 at the top of the mounting base 101 and applying pressure with four sliding rods 107, the four limiting blocks 205 can keep the inner ring 201 in the middle of the outer ring 203, preventing the inner ring 201 from shifting position during rotation and improving the overall service life of the device. By setting a bearing body 2, a protective ring 204 is set at the top of the outer ring 203, and a desiccant is placed in the protective ring 204 to absorb the moisture generated during the operation of the device, further improving the overall service life of the device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A magnetically levitated high-life bearing, comprising a fixing device (1) and a bearing body (2), wherein the bearing body (2) is disposed at the top of the fixing device (1), characterized in that: The fixing device (1) includes a mounting base (101), the top of the mounting base (101) has four mounting holes (103) arranged in a rectangular array, the top of the mounting base (101) has four fixing plates (102) arranged in a circular array, the four fixing plates (102) are respectively fixedly connected to sleeves (104) on the side near the middle of the mounting base (101), the inner sidewalls of the four sleeves (104) are provided with springs (106), the inner sidewalls of the four sleeves (104) are respectively slidably connected to slide rods (107), and the top of the mounting base (101) has four electromagnets (105) arranged in a circular array.

2. The magnetic levitation high-life bearing according to claim 1, characterized in that: The bearing body (2) includes an outer ring (203). The inner wall of the outer ring (203) has four grooves (206) arranged in a circumferential array. The inner walls of the four grooves (206) are slidably connected to limit blocks (205). The inner walls of the four limit blocks (205) are rotatably connected to rollers (207). The inner wall of the outer ring (203) is rotatably connected to an inner ring (201). The top of the outer ring (203) is fixedly connected to a protective ring (204). The top of the protective ring (204) is provided with a cover plate (202). The bottom of the outer ring (203) is fixedly connected to the middle of the top of the mounting base (101).

3. The magnetic levitation high-life bearing according to claim 2, characterized in that: The four slide bars (107) respectively penetrate the side wall of the outer ring (203) and contact the limiting block (205).

4. A magnetically levitated high-life bearing according to claim 2, characterized in that: The cover plate (202) and the protective ring (204) are adapted to each other, and the top of the cover plate (202) has several through holes arranged in a circumferential array.

5. A magnetically levitated high-life bearing according to claim 2, characterized in that: The inner ring (201) is slidably connected to the sidewalls of the four rollers (207).

6. A magnetically levitated high-life bearing according to claim 1, characterized in that: One end of each of the four springs (106) is fixedly connected to the bottom end of the inner sidewall of the four sleeves (104), and the other end of each of the four springs (106) is fixedly connected to the other end of the four slide rods (107).

7. A magnetically levitated high-life bearing according to claim 2, characterized in that: The four limiting blocks (205) are respectively adapted to the inner sidewalls of the four grooves (206).

8. A magnetically levitated high-life bearing according to claim 2, characterized in that: The inner wall of the protective ring (204) is filled with desiccant.

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