CN112816135B

CN112816135B - Impeller dynamic balance device

Info

Publication number: CN112816135B
Application number: CN202011597727.4A
Authority: CN
Inventors: 张竟宇; 杜应流; 万继升; 桂琦; 吕晟
Original assignee: Huoshan Jiayuan Intelligent Manufacturing Co ltd
Current assignee: Huoshan Jiayuan Intelligent Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2023-04-18
Anticipated expiration: 2040-12-29
Also published as: CN112816135A

Abstract

The invention relates to a dynamic balancing device of an impeller. The impeller dynamic balancing device comprises a driving part, a connecting part and a supporting part, wherein the driving part is inserted into the inner end of an impeller part and is relatively fixed with the impeller part; the impeller dynamic balance device is simple in structure, convenient to operate and flexible to use, the horizontal dynamic balance testing machine is enabled to realize the function of the vertical dynamic balance testing machine, the application range of the horizontal dynamic balance testing machine is widened, the structure is enough, safe and reliable, economical and practical, and the reliable and safe detection test of the impeller on the horizontal dynamic balance machine can be guaranteed.

Description

Impeller dynamic balance device

Technical Field

The invention belongs to the technical field of impeller balance testing machines, and particularly relates to a dynamic balance device for an impeller.

Background

After actual production and preparation, a dynamic balance test is needed to be carried out on the large impeller, the dynamic balance test machine is utilized to simulate the working state of the impeller, the unbalance amount generated by self factors when the impeller rotates at a rated rotating speed is detected and removed, the impeller is of a vertical structure, a vertical balancing machine is generally selected during the dynamic balance test, but the vertical balancing machine is not commonly used, and the vertical balancing machine is rarely purchased by general production units. In the absence of a vertical balancing machine, it can only be replaced by a horizontal balancing machine. If the horizontal balancing machine is used for replacing, the safety and the reliability are deficient.

Disclosure of Invention

The invention aims to solve the problems and provide a dynamic balance device of an impeller, which has a simple structure and is reasonably designed.

The invention realizes the purpose through the following technical scheme:

the utility model provides an impeller dynamic balance device, includes driving piece, connecting piece and support piece, the driving piece inserts in the inner of impeller spare, and with impeller spare relatively fixed, the driving piece rotates, and impeller spare is followed and is rotated, support piece can dismantle with the connecting piece and be connected, the connecting piece inserts in the outer end of impeller spare, support piece's end connection has screw spare, screw spare runs through the connecting piece with the driving piece is connected.

As a further optimization scheme of the invention, the driving part comprises a driving shaft, the screw part is inserted into an end face of the driving shaft, and the outer surface of the driving shaft is connected with a connecting block which is a flat driving key.

As a further preferred aspect of the present invention, the connecting member comprises a defining block, an inner limiting block is connected to a position of an outer surface of the defining block close to the impeller member, the inner limiting block is connected to an outer end surface of the impeller member, and a connecting edge block is connected to a position of an outer surface of the connecting member close to the support member.

As a further optimized scheme of the invention, the supporting part comprises an outer shaft part, the outer surface of the outer shaft part is connected with an outer shaft edge block, a fixture block is arranged between the outer shaft edge block and the connecting edge block, and the fixture block is a positioning flat key.

As a further optimization scheme of the invention, a driving motor is fixedly connected inside the outer shaft part, a driving end of the driving motor is fixedly connected with an outer connecting rod, the other end of the outer connecting rod is connected with an inner connecting rod, the other end of the inner connecting rod is fixedly connected with a connector, the screw part comprises a screw body, and the connector is fixedly connected with the screw body.

As a further optimized scheme of the invention, the inner connecting rod is inserted into the outer connecting rod, the insertion end of the inner connecting rod is fixedly connected with a sliding block, the inner wall surface of the outer connecting rod is provided with a sliding groove, and the sliding block is positioned in the sliding groove to slide.

As a further optimization scheme of the invention, the outer surface of the connecting outer rod is fixedly connected with a turntable, the outer surface of the turntable is connected with a bearing part, the bearing part is connected with the inner wall of the outer shaft part, the outer surface of the turntable is fixedly connected with a tension spring, and the other end of the tension spring is fixedly connected with the outer surface of the connector.

The invention has the beneficial effects that: the invention is provided with a driving part, a connecting part and a supporting part, wherein the driving part is connected with an impeller part and drives the impeller part to rotate; the connecting piece and the supporting piece can better fix and support the impeller piece, the supporting piece comprises an outer shaft piece, a driving motor is arranged in the outer shaft piece, the screw body is driven to rotate through the rotation of the driving motor, the screw body is in threaded connection with the driving shaft and the limiting block, the screw body is driven to retract towards the interior of the outer shaft piece through the elasticity of the tension spring when rotated, so that the effect of quick disassembly and assembly is achieved, and the screw body is also in threaded connection with the end wall of the outer shaft piece; the whole device is simple in structure, convenient to operate and flexible to use, the horizontal dynamic balance testing machine is enabled to realize the function of the vertical dynamic balance testing machine, the application range of the horizontal dynamic balance testing machine is widened, the structure is enough, safe and reliable, economical and practical, and the reliable and safe detection test of the impeller on the horizontal dynamic balance machine can be guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an internal structural view of the outer axial member of the present invention.

In the figure: 1. an impeller member; 2. a drive member; 21. a drive shaft; 22. connecting blocks; 3. a connecting member; 31. a limiting block; 32. connecting the edge blocks; 33. an inner limiting block; 4. a support member; 41. an outer shaft member; 42. an outer shaft edge block; 43. a clamping block; 44. a drive motor; 5. a screw member; 51. a screw body; 52. a connector; 53. connecting the inner rod; 54. connecting the outer rod; 55. a turntable; 56. a bearing member; 57. a slider; 58. a chute; 59. a tension spring.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 and fig. 2, an impeller dynamic balance device includes a driving member 2, a connecting member 3 and a supporting member 4, the driving member 2 is inserted into an inner end of the impeller member 1 and is relatively fixed to the impeller member 1, the driving member 2 rotates, the impeller member 1 rotates along with the driving member, the supporting member 4 is detachably connected to the connecting member 3, the connecting member 3 is inserted into an outer end of the impeller member 1, a screw member 5 is connected to an end surface of the supporting member 4, and the screw member 5 penetrates through the connecting member 3 and is connected to the driving member 2.

The driving member 2 comprises a driving shaft 21, the screw member 5 is inserted into an end face of the driving shaft 21, a connecting block 22 is connected to an outer surface of the driving shaft 21, and the connecting block 22 is a flat driving key. The connecting piece 3 comprises a limiting block 31, an inner limiting block 33 is connected to the outer surface of the limiting block 31 at a position close to the impeller member 1, the inner limiting block 33 is connected with the outer end surface of the impeller member 1, and a connecting edge block 32 is connected to the outer surface of the connecting piece 3 at a position close to the supporting piece 4. Support piece 4 includes outer axial component 41, the outer surface of outer axial component 41 is connected with outer axle along piece 42, outer axle along piece 42 with connect and be provided with fixture block 43 along between piece 32, fixture block 43 is the flat key of location. Outer shaft 41's inside fixedly connected with driving motor 44, outer pole 54 is connected to driving end fixedly connected with of driving motor 44, the other end of connecting outer pole 54 is connected with connects interior pole 53, the other end fixedly connected with connector 52 of connecting interior pole 53, screw part 5 includes screw body 51, connector 52 and screw body 51 fixed connection. The inner connecting rod 53 is inserted into the outer connecting rod 54, a sliding block 57 is fixedly connected to the insertion end of the inner connecting rod 53, a sliding groove 58 is formed in the inner wall surface of the outer connecting rod 54, and the sliding block 57 is located in the sliding groove 58 to slide. Connect outer pole 54's outer fixed surface to be connected with carousel 55, the surface of carousel 55 is connected with bearing piece 56, bearing piece 56 with the interior wall connection of outer shaft part 41, the outer fixed surface of carousel 55 is connected with extension spring 59, the other end of extension spring 59 with the outer fixed surface of connector 52 is connected.

The drive motor 44 may be a stepper motor, and in this embodiment, may be a 110BLF-6020HBB series stepper motor, which is used with a BLDH-750 type adaptive driver.

When the impeller dynamic balance device is used, the impeller dynamic balance device is provided with a driving part 2, a connecting part 3 and a supporting part 4, the driving part 2 is connected with the impeller part 1, the impeller part 1 is driven to rotate, the driving part 2 comprises a driving shaft 21, the surface of the driving shaft 21 is provided with a connecting block 22, the connecting block 22 is limited with the impeller part 1 through the connecting block 22, and the connecting block 22 is in screw connection with the driving shaft 21; the connecting part 3 and the supporting part 4 can better fix and support the impeller part 1, the supporting part 4 comprises an outer shaft part 41, a driving motor 44 is arranged in the outer shaft part 41, a screw body 51 is driven to rotate through the rotation of the driving motor 44, the screw body 51, the driving shaft 21 and the limiting block 31 are in threaded connection, the screw body 51 is driven to retract towards the inside of the outer shaft part 41 through the elasticity of a tension spring 59 through the rotation of the screw body 51, so that the effect of quick disassembly and assembly is achieved, and the screw body 51 is also in threaded connection with the end wall of the outer shaft part 41; the whole device is simple in structure, convenient to operate and flexible to use, the horizontal dynamic balance testing machine is enabled to realize the function of the vertical dynamic balance testing machine, the application range of the horizontal dynamic balance testing machine is widened, the structure is enough, safe and reliable, economical and practical, and the reliable and safe detection test of the impeller on the horizontal dynamic balance machine can be guaranteed.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The impeller dynamic balancing device is characterized by comprising a driving part, a connecting part and a supporting part, wherein the driving part is inserted into the inner end of an impeller part and is relatively fixed with the impeller part;

the driving piece comprises a driving shaft, the screw piece is inserted into the end face of the driving shaft, the outer surface of the driving shaft is connected with a connecting block, and the connecting block is a transmission flat key;

the connecting piece comprises a limiting block, an inner limiting block is connected to the position, close to the impeller piece, of the outer surface of the limiting block, the inner limiting block is connected with the outer end surface of the impeller piece, and a connecting edge block is connected to the position, close to the supporting piece, of the outer surface of the connecting piece;

the supporting piece comprises an outer shaft piece, an outer shaft edge block is connected to the outer surface of the outer shaft piece, a clamping block is arranged between the outer shaft edge block and the connecting edge block, and the clamping block is a positioning flat key;

the screw component comprises a screw body and a screw rod, wherein a driving motor is fixedly connected inside the outer shaft part, the driving end of the driving motor is fixedly connected with an outer connecting rod, the other end of the outer connecting rod is connected with an inner connecting rod, the other end of the inner connecting rod is fixedly connected with a connector, and the connector is fixedly connected with the screw body;

the inner connecting rod is inserted into the outer connecting rod, the insertion end of the inner connecting rod is fixedly connected with a sliding block, the inner wall surface of the outer connecting rod is provided with a sliding groove, and the sliding block is positioned in the sliding groove to slide;

the outer fixed surface who connects the outer pole is connected with the carousel, the surface of carousel is connected with the bearing spare, the bearing spare with the interior wall connection of outer shaft spare, the outer fixed surface of carousel is connected with the extension spring, the other end of extension spring with the outer fixed surface of connector is connected.