Zero calibration device for magnetic suspension centrifugal pump sensor

Abstract

The utility model relates to the technical field of zero position calibration, and provides a magnetic suspension centrifugal pump sensor zero position calibration device which comprises a bottom plate, a controller fixedly connected to the top of the outer surface of the bottom plate, an indicator lamp fixedly connected to the top of the outer surface of the bottom plate, a supporting plate fixedly connected to the top of the outer surface of the bottom plate, and a magnetic suspension centrifugal pump sensor. The top of the outer surface of the bottom plate is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a reciprocating lead screw. During use, a magnetic suspension centrifugal pump is placed on the upper surface of a third electric push rod, and then the third electric push rod is started through an external power source to push a movable semicircular block to move towards a fixed semicircular block; at the moment, the movable semicircular block and the fixed semicircular block can clamp and fix the magnetic suspension centrifugal pump, at the moment, the inductor can be installed on the surface of the magnetic suspension centrifugal pump, transverse or vertical and angular movement can be conducted during installation, and the installation accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to zero calibration technical field especially relates to a kind of magnetic suspension centrifugal pump sensor zero calibration device. BACKGROUND

[0002] In prior art, it is usually calibrated to angle sensor by calibration device, and then the calibrated angle sensor is installed into the measured rudder. Since there is cumulative error in the processing and assembly of angle sensor, the actual working curve and calibration device cannot be completely consistent, so there may be a large angle error by this way of pre-calibrating angle sensor and then installing it into the rudder.

[0003] The existing patent with publication number CN216206410U discloses a rudder mechanical zero calibration device for zero calibration of the angle sensor of the measured rudder 10, which comprises an analog rudder blade 2, a zero fixed block 3, a limiting block 5 and a base 9. The measured rudder 10 is installed at the top end of the base 9, the analog rudder blade 2 is installed on the rudder shaft 101 of the measured rudder 10, the limiting block 5 is installed at the bottom end of the base 9, the bottom of the limiting block 5 is provided with a sliding groove, the sliding groove is matched with the zero fixed block 3, and the zero fixed block 3 can slide in the sliding groove.

[0004] The above-mentioned scheme can simulate the real working state of the angle sensor to the greatest extent, can write parameters according to the actual working state of the angle sensor to the greatest extent, and can make the calibration curve and the working curve of the angle sensor perfectly coincide, thereby improving the working precision of the angle sensor. However, when the sensor is installed, the volume of the sensor is small, and it cannot be fixed and accurately installed, so the application range of the technology is small. SUMMARY

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of magnetic suspension centrifugal pump sensor zero calibration device, comprising: bottom plate, the top of the outer surface of the bottom plate is fixedly connected with controller, the top of the outer surface of the bottom plate is fixedly connected with indicating lamp, the top of the outer surface of the bottom plate is fixedly connected with support plate, the top of the outer surface of the bottom plate is fixedly connected with motor one, the output end of the motor one is fixedly connected with reciprocating screw rod, the outer surface of the support plate is fixedly connected with two limiting rods one, the outer surface of reciprocating screw rod is movably sleeved with sliding block, two sliding blocks are movably sleeved on the outer surface of two limiting rods one, the bottom of the outer surface of the sliding block is fixedly connected with electric push rod one, the bottom of the outer surface of the electric push rod one is fixedly connected with U-shaped block.

[0006] The technical effect of the further scheme is that the controller controls the positioning work of the whole device, when the device starts, the indicator light is on, the motor is started by the external power source to drive the reciprocating screw rod to rotate, the slider slides on the outer surface under the limiting of the two limiting rods, the electric push rod one is started by the external power source to drive the electric push rod one to move downward, the motor two is started by the external power source to drive the rotating block to rotate, and the rotating block can rotate at an angle.

[0007] As a preferred embodiment, the outer surface of the U-shaped block is fixedly connected with the motor two, the output end of the motor two is fixedly connected with the rotating block, the outer surface of the rotating block is fixedly connected with the electric push rod two, and one end of the electric push rod two is fixedly connected with the clamping plate.

[0008] The technical effect of the further scheme is that the electric push rod two is started by the external power source to drive the clamping plate to move transversely, and the transverse movement is realized during installation.

[0009] As a preferred embodiment, the outer surface of the clamping plate is movably embedded with the threaded rod, the inner part of the clamping plate is movably embedded with the limiting rod two, one end of the threaded rod is rotatably connected with the moving block through the bearing, and the limiting rod two is fixedly connected to the outer surface of the moving block.

[0010] The technical effect of the further scheme is that the sensor is placed on the outer surface of the clamping plate, the threaded rod is rotated to move in the inner part of the clamping plate, the moving block moves transversely under the limiting of the limiting rod two, and the sensor is clamped and fixed after the moving block moves.

[0011] As a preferred embodiment, the outer surface of the bottom plate is fixedly connected with the clamping plate, the outer surface of the clamping plate is fixedly connected with the electric push rod three, one end of the electric push rod three is fixedly connected with the moving semicircular block, and the outer surface of the clamping plate is fixedly connected with the fixed semicircular block.

[0012] The technical effect of the further scheme is that the magnetic suspension centrifugal pump is placed on the upper surface of the electric push rod three, then the electric push rod three is started by the external power source to drive the moving semicircular block to move towards the fixed semicircular block, the magnetic suspension centrifugal pump is clamped and fixed by the moving semicircular block and the fixed semicircular block, and the sensor can be installed on the surface of the magnetic suspension centrifugal pump, and the horizontal, vertical and angular movement can be realized during installation, thereby improving the installation accuracy.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0014] The utility model discloses, in use, the magnetic suspension centrifugal pump is placed on the upper surface of electric push rod three, and then through the external power supply to start electric push rod three and promote the direction of fixed semicircle block movement of moving semicircle block, at this moment, moving semicircle block and fixed semicircle block can clamp and fix the magnetic suspension centrifugal pump, at this moment, inductor can be installed on the surface of magnetic suspension centrifugal pump, and when installing, can carry out the activity of horizontal or vertical and angle, improve the precision of installation.

[0015] The utility model discloses, in use, through the controller to control the positioning work of whole device, when the device starts, the pilot lamp will light up, through the external power supply to start motor one and drive reciprocating screw rod to rotate, at this moment, under the limiting of two limit rods one, make the sliding block slide on its outer surface, at this moment, through the external power supply to start electric push rod one and drive electric push rod one to move down, through the external power supply to start motor two and drive rotating block to rotate, at this moment, rotating block can realize the rotation of angle, through the external power supply to start electric push rod two and promote the lateral movement of clamping plate, place inductor on the outer surface of clamping plate, through rotating screw rod and move in the inside of clamping plate, at this moment, under the limiting of limit rod two, make the lateral movement of moving block, at this moment, after moving block moves, can clamp and fix inductor. DRAWINGS

[0016] Figure 1 The utility model discloses a kind of three-dimensional structure schematic diagram of magnetic suspension centrifugal pump sensor zero calibration device;

[0017] Figure 2 The utility model discloses a kind of rear view structure schematic diagram of magnetic suspension centrifugal pump sensor zero calibration device;

[0018] Figure 3 The utility model discloses a kind of planar structure schematic diagram of magnetic suspension centrifugal pump sensor zero calibration device from overhead;

[0019] Figure 4 The utility model discloses a kind of planar structure schematic diagram of magnetic suspension centrifugal pump sensor zero calibration device from side view.

[0020] Legend: 101, base plate;102, controller;103, pilot lamp;104, motor one;1041, reciprocating screw rod;105, limit rod one;106, sliding block;107, electric push rod one;108, U block;109, motor two;110, support plate;111, rotating block;112, electric push rod two;113, clamping plate;114, screw rod;115, limit rod two;116, moving block;117, supporting plate;118, moving semicircle block;119, electric push rod three;120, fixed semicircle block. DETAILED DESCRIPTION

[0021] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the following further describes the present application with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in different ways from those described herein, and so the present application is not limited to the specific embodiments disclosed in the following description.

[0023] Please refer to Figures 1 to 4 The utility model provides a kind of magnetic suspension centrifugal pump sensor zero calibration device, comprising: base plate 101, the top of the outer surface of base plate 101 is fixedly connected with controller 102, the top of the outer surface of base plate 101 is fixedly connected with pilot lamp 103, the top of the outer surface of base plate 101 is fixedly connected with support plate 110, the top of the outer surface of base plate 101 is fixedly connected with motor one 104, the output end of motor one 104 is fixedly connected with reciprocating screw rod 1041, the outer surface of support plate 110 is fixedly connected with two limit rods one 105, the outer surface of reciprocating screw rod 1041 is movably sleeved with slider 106, two sliders 106 are movably sleeved on the outer surface of two limit rods one 105, the bottom of the outer surface of slider 106 is fixedly connected with electric push rod one 107, the bottom of the outer surface of electric push rod one 107 is fixedly connected with U-shaped block 108, the positioning work of entire device is controlled by controller 102, when device starts, pilot lamp 103 will be lit, motor one 104 is started by external power source to drive reciprocating screw rod 1041 to rotate, slider 106 is slid on its outer surface under the limiting of two limit rods one 105 at this time, electric push rod one 107 is started by external power source to drive electric push rod one 107 to move downwards, rotating block 111 is rotated by motor two 109 being started by external power source at this time, rotating block 111 can realize the rotation of angle at this time.

[0024] As Figures 1 to 4 The outer surface of U-shaped block 108 is fixedly connected with motor two 109, the output end of motor two 109 is fixedly connected with rotating block 111, the outer surface of rotating block 111 is fixedly connected with electric push rod two 112, one end of electric push rod two 112 is fixedly connected with clamping plate 113, electric push rod two 112 is started by external power source to push clamping plate 113 to move horizontally, horizontal movement is realized when installing.

[0025] As Figures 1 to 4As shown, the outer surface of the clamp plate 113 is movably embedded with a threaded rod 114, the inner part of the clamp plate 113 is movably embedded with a limiting rod two 115, one end of the threaded rod 114 is rotatably connected with a moving block 116 through a bearing, the limiting rod two 115 is fixedly connected to the outer surface of the moving block 116, the sensor is placed on the outer surface of the clamp plate 113, and the threaded rod 114 is moved in the inner part of the clamp plate 113 by rotating, at this time the moving block 116 moves transversely under the limiting of the limiting rod two 115, at this time the moving block 116 can clamp and fix the sensor after moving.

[0026] As shown in the figure, Figures 1 to 4 As shown, the outer surface of the clamp plate 113 is movably embedded with a threaded rod 114, the inner part of the clamp plate 113 is movably embedded with a limiting rod two 115, one end of the threaded rod 114 is rotatably connected with a moving block 116 through a bearing, the limiting rod two 115 is fixedly connected to the outer surface of the moving block 116, the sensor is placed on the outer surface of the clamp plate 113, and the threaded rod 114 is moved in the inner part of the clamp plate 113 by rotating, at this time the moving block 116 moves transversely under the limiting of the limiting rod two 115, at this time the moving block 116 can clamp and fix the sensor after moving.

[0027] Working principle: the controller 102 controls the positioning work of the whole device, when the device starts, the indicator light 103 will light up, the motor one 104 is started by an external power source to drive the reciprocating screw rod 1041 to rotate, at this time the sliding block 106 slides on the outer surface under the limiting of the two limiting rods one 105, at this time the electric push rod one 107 is started by an external power source to drive the electric push rod one 107 to move downward, the rotating block 111 is started by an external power source to drive the rotating block 111 to rotate, at this time the rotating block 111 can realize the rotation of the angle, the clamp plate 113 is started by an external power source to drive the clamp plate 113 to move transversely, the sensor is placed on the outer surface of the clamp plate 113, and the threaded rod 114 is moved in the inner part of the clamp plate 113 by rotating, at this time the moving block 116 moves transversely under the limiting of the limiting rod two 115, at this time the moving block 116 can clamp and fix the sensor after moving.

[0028] The above are only the preferred embodiments of the present application, and are not intended to limit the present application in other forms, and any skilled person in the art can change or modify the above disclosed technology content to equivalent embodiments with equivalent changes applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still fall within the protection scope of the present application.

Claims

1. A magnetic levitation centrifugal pump sensor zero calibration device, comprising: The bottom plate (101) is characterized in that the top of the outer surface of the bottom plate (101) is fixedly connected with a controller (102), the top of the outer surface of the bottom plate (101) is fixedly connected with an indicator light (103), the top of the outer surface of the bottom plate (101) is fixedly connected with a support plate (110), the top of the outer surface of the bottom plate (101) is fixedly connected with a motor one (104), the output end of the motor one (104) is fixedly connected with a reciprocating screw rod (1041), the outer surface of the support plate (110) is fixedly connected with two limiting rods one (105), the outer surface of the reciprocating screw rod (1041) is movably sleeved with a sliding block (106), two sliding blocks (106) are movably sleeved on the outer surface of two limiting rods one (105), and the bottom of the outer surface of the sliding block (106) is fixedly connected with an electric push rod one (107).

2. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 1, characterized in that: The outer surface of the U-shaped block (108) is fixedly connected with a motor two (109), and the output end of the motor two (109) is fixedly connected with a rotating block (111).

3. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 2, characterized in that: The outer surface of the rotating block (111) is fixedly connected with an electric push rod two (112), and one end of the electric push rod two (112) is fixedly connected with a clamping plate (113).

4. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 3, characterized in that: The outer surface of the clamping plate (113) is movably embedded with a threaded rod (114), and the inside of the clamping plate (113) is movably embedded with a limiting rod two (115).

5. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 4, characterized in that: One end of the threaded rod (114) is rotatably connected with a moving block (116) through a bearing, and the limiting rod two (115) is fixedly connected to the outer surface of the moving block (116).

6. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 5, characterized in that: The outer surface of the bottom plate (101) is fixedly connected with a supporting plate (117) at the top, and the outer surface of the supporting plate (117) is fixedly connected with an electric push rod three (119) at the top.

7. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 6, characterized in that: One end of the electric push rod three (119) is fixedly connected with a moving semicircular block (118).

8. The sensor zero calibration device for a magnetic levitation centrifugal pump according to claim 7, characterized in that: The outer surface of the supporting plate (117) is fixedly connected with a fixed semicircular block (120) at the top.

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