CN211317616U

CN211317616U - Dynamic balance test equipment for vortex air compressor

Info

Publication number: CN211317616U
Application number: CN201922486390.9U
Authority: CN
Inventors: 梁培军; 邹家龙
Original assignee: Huayuan Precision Machinery Shenzhen Co ltd
Current assignee: Huayuan Precision Machinery Shenzhen Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-21
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a dynamic balance test device of a vortex air compressor, which comprises a control cabinet and a test machine body positioned in the control cabinet; an industrial personal computer is arranged in the control cabinet; the testing machine body comprises a base, a motor and at least one swing frame which are fixed on the surface of the base, a testing workpiece supported by the swing frame, a vibration sensor fixed on each swing frame, a belt pulley sleeved on the testing workpiece, a belt connected between the belt pulley and the motor, and a speed sensor positioned on the belt pulley; the test workpiece comprises a driving eccentric shaft, and the belt pulley is sleeved at the end part of the driving eccentric shaft. The utility model discloses vortex air compressor dynamic balance test is equipped through carrying out the dynamic balance test on a test workpiece with axle, bearing, driving disk and tray loading, through speedtransmitter and vibration sensor induction rate and vibration frequency, can accurately reflect the unbalanced condition of air compressor machine moving system.

Description

Dynamic balance test equipment for vortex air compressor

Technical Field

The utility model discloses dynamic balance's technical field especially relates to a vortex air compressor dynamic balance test is equipped.

Background

The dynamic balance test equipment of the turbine rotary air compressor on the market at present mostly performs dynamic balance on a rotating part, such as an eccentric shaft or a movable disc. Because there is a clearance between the shaft and the bearing during assembly, there is also a clearance between the bearing box and the bracket, which all affect the overall dynamic balance condition and cause the vibration of the air compressor. This structure has the following drawbacks:

firstly, the overall unbalance of the main shaft and the moving disk, tray and other moving systems is unknown.

Second, vibration is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a through speedtransmitter and vibration sensor induction rate and vibration frequency and can accurately reflect the vortex air compressor dynamic balance test equipment of the uneven condition of air compressor machine moving system.

The utility model provides a dynamic balance test device of a vortex air compressor, which comprises a control cabinet and a test machine body positioned in the control cabinet; an industrial personal computer is arranged in the control cabinet; the testing machine body comprises a base, a motor and at least one swing frame which are fixed on the surface of the base, a testing workpiece supported by the swing frame, a vibration sensor fixed on each swing frame, a belt pulley sleeved on the testing workpiece, a belt connected between the belt pulley and the motor, and a speed sensor positioned on the belt pulley; the test workpiece comprises a driving eccentric shaft, and the belt pulley is sleeved at the end part of the driving eccentric shaft.

Preferably, the test workpiece further comprises a movable disc, a tray fixedly connected with the movable disc, a process support, a support frame and a bearing cover fixed on the support frame; wherein, the support frame and the tray are respectively fixed at two ends of the process bracket, and the driving eccentric shaft is fixed on the bearing cover.

Preferably, the test piece further comprises two small eccentric shafts fixed on the tray and a first bearing fixed on the process support and connected with the corresponding small eccentric shafts.

Preferably, the test piece further comprises a second bearing connected between the support frame and the bearing cap.

Preferably, the testing machine body further comprises a speed sensor support fixed on the side face of the base and extending out of the surface of the base, and the speed sensor is fixed on the speed sensor support.

Preferably, the number of the swing frames is two, and each swing frame is fixed with one vibration sensor.

Preferably, the vibration sensor is disposed toward the motor.

The utility model discloses vortex air compressor dynamic balance test is equipped through carrying out the dynamic balance test on a test workpiece with axle, bearing, driving disk and tray loading, through speedtransmitter and vibration sensor induction rate and vibration frequency, can accurately reflect the unbalanced condition of air compressor machine moving system.

Drawings

Fig. 1 is a schematic structural view of the dynamic balance test equipment of the scroll air compressor of the present invention;

FIG. 2 is an exploded view of the tester body of the scroll compressor dynamic balance test rig shown in FIG. 1;

FIG. 3 is a combination view of the tester body shown in FIG. 2;

FIG. 4 is an exploded perspective view of a test piece of the tester body shown in FIG. 2;

fig. 5 is a front view of the test piece of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model relates to a vortex air compressor dynamic balance test is equipped, as shown in fig. 1 to fig. 3, it includes switch board 14 and the testing machine body that is located switch board 14, wherein be equipped with the industrial computer in the switch board 14, be located test software and contactor in the industrial computer.

The testing machine body comprises a base 1, a motor 2 fixed on the surface of the base 1, two swing frames 3 fixed on the surface of the base 1, a test workpiece 100 supported by the two swing frames 3, a vibration sensor 4 fixed on each swing frame 3 and facing the motor 2, a belt pulley 5 sleeved on the test workpiece, a belt 6 connected between the belt pulley 5 and the motor 2, a speed sensor support 7 fixed on the side surface of the base 1 and extending out of the surface of the base 1, and a speed sensor 8 fixed on the speed sensor support 7, wherein the speed sensor 8 is positioned on the belt pulley 5, and the rotating speed of the belt pulley 5 is sensed by the speed sensor 8.

As shown in fig. 4 and 5, the test workpiece 100 includes a movable platen 101, a pallet 102 fixedly connected to the movable platen 101, two small eccentric shafts 103 fixed to the pallet 102, a process bracket 105, a first bearing 104 fixed to the process bracket 105 and connected to the corresponding small eccentric shaft 103, a support frame 106, a bearing cap 108, a second bearing 107 connected between the support frame 106 and the bearing cap 108, and an active eccentric shaft 109 fixed in the bearing cap 108, wherein the support frame 106 and the pallet 102 are respectively fixed to both ends of the process bracket 105, a pulley 5 is sleeved on an end of the active eccentric shaft 109, and the process bracket 105 is located on two swing frames 3.

During the test, the motor 2 drives the belt 6 and the belt pulley 5 to transfer, the belt 6 drives the driving eccentric shaft 109, the tray 102 and the movable disc 101 to move, the speed sensor 8 senses the speed of the belt pulley 5 and the belt 6 and sends a speed signal to the industrial personal computer, the vibration sensor 4 senses the vibration frequency of the swing frame 3 and sends a vibration signal to the industrial personal computer, the industrial personal computer receives the speed signal and the vibration signal and calculates the size and the position of the unbalance of the test workpiece 100, and the size of the unbalance of the test workpiece 100 is within an allowable tolerance range through a weight removing or weighting method.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. A dynamic balance test device of a vortex air compressor is characterized by comprising a control cabinet and a test machine body positioned in the control cabinet; an industrial personal computer is arranged in the control cabinet; the testing machine body comprises a base, a motor and at least one swing frame which are fixed on the surface of the base, a testing workpiece supported by the swing frame, a vibration sensor fixed on each swing frame, a belt pulley sleeved on the testing workpiece, a belt connected between the belt pulley and the motor, and a speed sensor positioned on the belt pulley; the test workpiece comprises a driving eccentric shaft, and the belt pulley is sleeved at the end part of the driving eccentric shaft.

2. The vortex air compressor dynamic balance test equipment as claimed in claim 1, wherein the test workpiece further comprises a movable disc, a tray fixedly connected with the movable disc, a process bracket, a support frame and a bearing cover fixed on the support frame; wherein, the support frame and the tray are respectively fixed at two ends of the process bracket, and the driving eccentric shaft is fixed on the bearing cover.

3. The scroll air compressor dynamic balance test equipment of claim 2, wherein the test piece further comprises two small eccentric shafts fixed on the tray and a first bearing fixed on the process bracket and connected with the corresponding small eccentric shafts.

4. The scroll air compressor dynamic balance test rig of claim 2, wherein the test piece further comprises a second bearing connected between the support bracket and the bearing cap.

5. The scroll air compressor dynamic balance test equipment of claim 1, wherein the tester body further comprises a speed sensor support fixed to a side of the base and extending out of a surface of the base, the speed sensor being fixed to the speed sensor support.

6. The scroll air compressor dynamic balance test equipment of claim 1, wherein two of the swing frames are provided, and one vibration sensor is fixed on each swing frame.

7. The scroll air compressor dynamic balance test rig of claim 1, wherein the vibration sensor is disposed toward the motor.