High-speed rotor supported by air floatation

Abstract

The utility model discloses a high-speed rotor supported by air floatation, which relates to the technical field of high-speed rotors, and comprises a rotor body, both ends of the rotor body are provided with accommodating grooves, the accommodating grooves are provided with slots and screw openings, protection assemblies are arranged in the accommodating grooves, each protection assembly comprises a first protection semi-ring and a second protection semi-ring, and the first protection semi-ring and the second protection semi-ring are arranged in the accommodating grooves. A first inserting rod is fixedly connected to the inner side of the first protection half ring, an inserting block is fixedly connected to the end of the first protection half ring, a second inserting rod is fixedly connected to the inner side of the second protection half ring, and a matching groove is formed in the end of the second protection half ring. Through the arranged protection assembly, a screw opening can be blocked, exchange between external substances and the screw opening is avoided, meanwhile, the overall safety is improved, installation is easy, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed rotors, in particular to a high-speed rotor supported by air floating. Background Art

[0002] In the related art, there is an air-floating supported ultra-high-speed rotor with a publication number of CN 217440580 U, which includes a sleeve, a first output shaft with radial and axial air-floating bearings being installed at the left end of the sleeve by interference fit, and a second output shaft with radial air-floating bearings being installed at the right end of the sleeve by interference fit; a plurality of cylindrical permanent magnets are arranged in the sleeve, and the plurality of cylindrical permanent magnets are installed inside the sleeve by interference fit.

[0003] However, the rotor has a plurality of fastening screws, which are directly exposed, and foreign matter from the outside can easily enter the fastening screws. The fastening screws can easily fall off due to being not fastened tightly, which is not safe to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a high-speed rotor supported by air floating. By setting up a protective component, the screw opening can be blocked to prevent foreign matter from exchanging with the screw opening. At the same time, the overall safety is increased, the installation is simple, and the use is convenient.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an air-floating supported high-speed rotor, comprising a rotor body, both ends of the rotor body are provided with receiving grooves, the receiving grooves are provided with slots and screw holes, a protective component is provided in the receiving groove, the protective component comprises a protective half ring 1 and a protective half ring 2, the inner side of the protective half ring 1 is fixedly connected with a plug rod 1, the end of the protective half ring 1 is fixedly connected with a plug block, the inner side of the protective half ring 2 is fixedly connected with a plug rod 2, and the end of the protective half ring 2 is provided with a matching groove. By setting up the protective component, the screw hole can be blocked to prevent foreign matter from exchanging with the screw hole. At the same time, the overall safety is increased, the installation is simple, and the use is convenient.

[0006] According to the air-floating supported high-speed rotor, the first and second insertion rods are both matched with the slots.

[0007] According to the air-floating supported high-speed rotor, the slots are arranged axially symmetrically.

[0008] According to the air-floating supported high-speed rotor, the outer surfaces of the first and second protective half rings are flush with the outer surface of the rotor body.

[0009] According to the air-floating supported high-speed rotor, the insert block and the matching groove are engaged with each other.

[0010] According to the air-floating supported high-speed rotor, there are two inserts on the protective half ring.

[0011] According to the air-floating supported high-speed rotor, the number of the first and second insertion rods is at least two.

[0012] According to the air-floating supported high-speed rotor, the radius of the slot is smaller than the radius of the screw opening.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can block the screw opening by providing a protective component to prevent foreign matter from exchanging with the screw opening, and at the same time, increases the overall safety, is simple to install, and is easy to use.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of an air-floating supported high-speed rotor of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a high-speed rotor supported by air floating in the utility model in a disassembled state;

[0019] Figure 3 It is a structural schematic diagram of two parts of a protective half ring of a high-speed rotor supported by air floating according to the utility model;

[0020] Figure 4 The utility model is a schematic structural diagram of the utility model after the protective half rings of the high-speed rotor supported by air bearing are assembled.

[0021] Legend:

[0022] 1. Rotor body; 101. Slot; 102. Screw hole; 103. Accommodating groove; 201. Protective half ring 1; 202. Insert rod 1; 203. Insert block; 301. Protective half ring 2; 302. Insert rod 2; 303. Matching groove. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is an air-floating supported high-speed rotor, which includes a rotor body 1, both ends of the rotor body 1 are provided with a receiving groove 103, the receiving groove 103 is provided with a slot 101 and a screw hole 102, the radius of the slot 101 is smaller than the radius of the screw hole 102, the slot 101 is axially symmetrically arranged, a protective component is arranged in the receiving groove 103, the protective component includes a protective half ring 1 201, a protective half ring 2 301, the number of plug blocks 203 on the protective half ring 1 201 is two, the outer surfaces of the protective half ring 1 201 and the protective half ring 2 301 are flush with the outer surface of the rotor body 1, the inner side of the protective half ring 1 201 is fixedly connected with an insertion rod 1 202, the insertion rod 1 202 and the insertion rod 2 302 The number of is at least two, the plug rod 1 202 and the plug rod 2 302 are matched with the slot 101, the end of the protective half ring 1 201 is fixedly connected with the plug block 203, the plug block 203 and the matching groove 303 are mutually engaged, the inner side of the protective half ring 2 301 is fixedly connected with the plug rod 2 302, and the end of the protective half ring 2 301 is provided with a matching groove 303. When in use, the protective half ring 1 201 and the protective half ring 2 301 are assembled together, the plug rod 1 202 and the plug rod 2 302 are inserted into the slot 101, and the plug block 203 is inserted into the matching groove 303, which can block the screw mouth 102 to prevent the exchange of foreign substances with the screw mouth 102, and at the same time, increase the overall safety, simple installation, and convenient use. Through the protective component set, the screw mouth 102 can be blocked to prevent the exchange of foreign substances with the screw mouth 102, and at the same time, increase the overall safety, simple installation, and convenient use.

[0025] Working principle: When in use, the protective half ring 1 201 and the protective half ring 2 301 are assembled together, the plug rod 1 202 and the plug rod 2 302 are inserted into the slot 101, and the plug block 203 is inserted into the matching slot 303, which can block the screw mouth 102 to prevent foreign matter from exchanging with the screw mouth 102. At the same time, the overall safety is increased, the installation is simple, and it is easy to use.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An air-floating supported high-speed rotor, comprising a rotor body (1), characterized in that: Both ends of the rotor body (1) are provided with a receiving groove (103), and a slot (101) and a screw hole (102) are provided at the receiving groove (103). A protection component is provided in the receiving groove (103), and the protection component comprises a protection half ring 1 (201) and a protection half ring 2 (301). The inner side of the protection half ring 1 (201) is fixedly connected with an insertion rod 1 (202), and the end of the protection half ring 1 (201) is fixedly connected with an insertion block (203), and the inner side of the protection half ring 2 (301) is fixedly connected with an insertion rod 2 (302), and the end of the protection half ring 2 (301) is provided with a matching groove (303).

2. The air-floating supported high-speed rotor according to claim 1, characterized in that: The first insertion rod (202) and the second insertion rod (302) both cooperate with the slot (101).

3. The air-floating supported high-speed rotor according to claim 1, characterized in that: The slot (101) is arranged axially symmetrically.

4. The air-floating supported high-speed rotor according to claim 1, characterized in that: The outer surfaces of the first protective ring (201) and the second protective ring (301) are flush with the outer surface of the rotor body (1).

5. The air-floating supported high-speed rotor according to claim 1, characterized in that: The insert block (203) and the matching groove (303) are engaged with each other.

6. The air-floating supported high-speed rotor according to claim 1, characterized in that: There are two insert blocks (203) on the first protective half ring (201).

7. The air-floating supported high-speed rotor according to claim 1, characterized in that: There are at least two insertion rods 1 (202) and 2 insertion rods 302.

8. The air-floating supported high-speed rotor according to claim 1, characterized in that: The radius of the slot (101) is smaller than the radius of the screw opening (102).

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