CN211317616U - Dynamic balance test equipment for vortex air compressor - Google Patents

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

A vortex air compressor mobile balance test equipment

technical field

The technical field of dynamic balance of the utility model, in particular, relates to a vortex air compressor dynamic balance test equipment.

Background technique

At present, most of the turbine air compressor dynamic balance test equipment on the market is to dynamically balance a rotating part, such as an eccentric shaft or a moving plate. Since there is a gap between the shaft and the bearing during assembly, there is also a gap between the bearing box and the bracket, which will affect the overall dynamic balance and cause the air compressor to vibrate. This structure has the following drawbacks:

First, the overall unbalance of the main shaft, moving plate, pallet and other motion systems is unknown.

Second, it is easy to cause vibration.

Utility model content

The purpose of the utility model is to provide a vortex air compressor dynamic balance test equipment which can sense the speed and vibration frequency through the speed sensor and the vibration sensor and can accurately reflect the unbalanced situation of the air compressor motion system.

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

Preferably, the test workpiece further includes a moving plate, a tray fixedly connected to the moving plate, 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 both ends of the process support, and the active eccentricity The shaft is fixed to the bearing cap.

Preferably, the test workpiece further includes two small eccentric shafts fixed on the pallet and a first bearing fixed on the process support and connected with the corresponding small eccentric shafts.

Preferably, the test workpiece further includes a second bearing connected between the support frame and the bearing cap.

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

Preferably, there are two swing frames, and each swing frame is fixed with a vibration sensor.

Preferably, the vibration sensor is arranged towards the motor.

The vortex air compressor dynamic balance test equipment of the utility model carries out the dynamic balance test by loading the shaft, the bearing, the moving plate and the tray on a test workpiece, and the speed and vibration frequency are sensed by the speed sensor and the vibration sensor, which can accurately reflect the air compressor. Imbalances in the motor system.

Description of drawings

Fig. 1 is the structural representation of the utility model scroll air compressor dynamic balance test equipment;

Fig. 2 is the exploded view of the test machine body of the vortex air compressor dynamic balance test equipment shown in Fig. 1;

Fig. 3 is the combination diagram of the testing machine body shown in Fig. 2;

Fig. 4 is a perspective exploded view of the test workpiece of the testing machine body shown in Fig. 2;

FIG. 5 is a front view of the test workpiece shown in FIG. 4 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

The utility model is a vortex air compressor dynamic balance test equipment, as shown in Figures 1 to 3, which comprises a control cabinet 14 and a testing machine body located in the control cabinet 14, wherein the control cabinet 14 is provided with an industrial computer, Test software and contactors located in the IPC.

The main body of the testing machine includes 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, fixed on each swing frame 3 and The vibration sensor 4 facing the motor 2, the pulley 5 sleeved on the test workpiece, the belt 6 connected between the pulley 5 and the motor 2, the speed sensor bracket 7 fixed on the side of the base 1 and extending beyond the surface of the base 1, and the The speed sensor 8 on the speed sensor bracket 7, wherein the speed sensor 8 is located on the pulley 5, and the rotation speed of the pulley 5 is sensed by the speed sensor 8.

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

During the test, the motor 2 drives the belt 6 and the pulley 5 to transfer, the belt 6 drives the active eccentric shaft 109, the tray 102 and the moving plate 101 to move, and the speed sensor 8 senses the speed of the pulley 5 and the belt 6 and sends a speed signal to the industrial computer. The sensor 4 senses the frequency of the vibration of the swing frame 3 and sends the vibration signal to the industrial computer, and the industrial computer receives the speed signal and the vibration signal, calculates the size and position of the unbalanced amount of the test workpiece 100, and makes the test by de-weighting or aggravating the method. The magnitude of the unbalance of the workpiece 100 is within the allowable tolerance range.

The vortex air compressor dynamic balance test equipment of the utility model carries out the dynamic balance test by loading the shaft, the bearing, the moving plate and the tray on a test workpiece, and the speed and vibration frequency are sensed by the speed sensor and the vibration sensor, which can accurately reflect the air compressor. Imbalances in the motor system.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, provided that the technical content of the present invention is not departed from The content of the solution, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. A scroll air compressor motorized balance test equipment is characterized in that it comprises a control cabinet and a testing machine body positioned in the control cabinet; wherein, the control cabinet is provided with an industrial computer; the testing machine body includes A base, a motor and at least one swing frame fixed on the base surface, a test workpiece supported by the swing frame, a vibration sensor fixed on each swing frame, a pulley attached to the test workpiece, a belt connected between the pulley and the motor , a speed sensor located on the pulley; the test workpiece includes an active eccentric shaft, and the pulley is sleeved on the end of the active eccentric shaft. 2. scroll air compressor motorized balance test equipment according to claim 1, is characterized in that, the test workpiece also comprises moving plate, the tray that is fixedly connected with the moving plate, the craft support, the support frame and the support frame fixed on the support frame. Bearing cover; wherein, the support frame and the tray are respectively fixed on both ends of the process support, and the active eccentric shaft is fixed on the bearing cover. 3. scroll air compressor dynamic balance test equipment according to claim 2 is characterized in that, the test workpiece also comprises two small eccentric shafts fixed on the pallet and the small eccentric shafts fixed on the process support and corresponding to the small eccentric shafts connected first bearing. 4 . The scroll air compressor dynamic balance test equipment according to claim 2 , wherein the test workpiece further comprises a second bearing connected between the support frame and the bearing cover. 5 . 5. The scroll air compressor dynamic balance test equipment according to claim 1, wherein the test machine body further comprises a speed sensor bracket fixed on the side of the base and extending out of the surface of the base, and the speed sensor is fixed on the speed sensor bracket. 6 . The vortex air compressor motorized balance test equipment according to claim 1 , wherein there are two swing frames, and each swing frame is fixed with a vibration sensor. 7 . 7 . The scroll air compressor motorized balance test equipment according to claim 1 , wherein the vibration sensor is disposed toward the motor. 8 .

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