Rotor shaft run-out detection device

Abstract

The utility model discloses a rotor shaft run-out detection device which comprises a working platform, the working platform is provided with a front positioning frame and a rear positioning frame, the top of the rear positioning frame and the top of the front positioning frame are provided with matched positioning grooves, the working platform is further provided with distance measuring sensors, and the distance measuring sensors and the positioning grooves are arranged on the same straight line. A measuring head of the distance measuring sensor is arranged upwards, and a driving mechanism for controlling the rotor to rotate is arranged above the working platform; the driving mechanism comprises a driving frame, the driving frame is rotationally connected with a driving belt wheel and two driven belt wheels, the axes of the driving belt wheel and the driven belt wheels extend front and back, the driven belt wheels and the driving belt wheel are in transmission connection with a belt, the driven belt wheels are arranged below the driving belt wheel, the driving belt wheel is in transmission connection with a first motor for controlling rotation, and the first motor is arranged on the driving frame. And the driving mechanism further comprises a first linear reciprocating motion mechanism for controlling the driving frame to move up and down. The detection device has the characteristics of automatic measurement and high measurement precision, and is complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automation, and more specifically, to a rotor shaft runout detection device. Background Art

[0002] like Figure 6 The figure shows a rotor with bearings installed at both ends of the shaft. After the assembly of the components is completed, the shaft runout test must be carried out first. Only after the test is qualified can the assembly be carried out again. There is no special equipment for detecting the runout of the rotor shaft, which leads to inconvenience in operation and poor overall effect. Based on this, the utility model proposes a rotor shaft runout detection device. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a rotor shaft runout detection device, which has the characteristics of automatic measurement and high measurement accuracy.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a rotor shaft runout detection device, including a working platform, a front positioning frame and a rear positioning frame are provided on the working platform, and the tops of the rear positioning frame and the front positioning frame are both provided with matching positioning grooves, and the working platform is also provided with a distance measuring sensor arranged on the same straight line as the positioning groove, the measuring head of the distance measuring sensor is arranged upward, and a driving mechanism for controlling the rotation of the rotor is provided above the working platform.

[0005] The utility model is further configured as follows: the driving mechanism includes a driving frame, a driving pulley and two driven pulleys are rotatably connected to the driving frame with an axis extending forward and backward, the driven pulley is transmission-connected to the driving pulley with a belt, the driven pulley is arranged below the driving pulley, the driving pulley is transmission-connected to a first motor for controlling rotation, the first motor is arranged on the driving frame, and the driving mechanism also includes a first linear reciprocating motion mechanism for controlling the driving frame to move up and down.

[0006] The utility model is further configured as follows: the first linear reciprocating motion mechanism includes a frame, a first linear guide rail extending up and down is provided on the frame, a first linear slider is slidably connected to the first linear guide rail, the driving frame is arranged on the first linear slider, and the frame is provided with a push rod cylinder whose end of a telescopic rod is connected to the driving frame.

[0007] The utility model is further configured as follows: the working platform is provided with a second linear reciprocating motion mechanism for controlling the working platform to move forward and backward.

[0008] The utility model is further configured as follows: the second linear reciprocating motion mechanism includes a second linear guide rail extending forward and backward, a second linear slider is slidably connected to the second linear guide rail, the working platform is arranged on the second linear slider, the second linear reciprocating motion mechanism also includes a screw seat, a screw extending forward and backward is rotatably connected to the screw seat, a screw nut is rotatably connected to the screw, the working platform is arranged on the screw nut, and one end of the screw is transmission-connected to a second motor for controlling the rotation.

[0009] The utility model is further configured as follows: the front positioning frame and / or the rear positioning frame is provided with an axial baffle extending into the positioning groove, and the axial baffle comprises a front baffle and a rear baffle.

[0010] In summary, the utility model has the following beneficial effects: the rotor shaft runout detection device involved in the utility model drives the rotor to rotate by placing the transmission belt against the outer wall of the rotor, and uses the distance measuring sensor located below the shaft to circumferentially detect the shaft surface runout, thereby achieving automatic measurement with high measurement accuracy, and has complete overall functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a partial structural schematic diagram of the utility model;

[0013] Figure 3 It is a partial structural schematic diagram of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the utility model for reflecting the driving mechanism;

[0015] Figure 5 yes Figure 4 A schematic diagram of the structure from another perspective;

[0016] Figure 6 The present invention is a schematic diagram of the structure of an existing rotor with a bearing. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0018] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0019] Example 1

[0020] See also Figures 1 to 6 As shown, a rotor shaft runout detection device involved in this embodiment includes a working platform 1, on which a front positioning frame 2 and a rear positioning frame 3 are provided, and the tops of the rear positioning frame 3 and the front positioning frame 2 are both provided with matching positioning grooves 4, and the working platform 1 is also provided with a distance sensor 5 arranged on the same straight line as the positioning groove, and the measuring head of the distance sensor 5 is arranged upward, and a driving mechanism 100 for controlling the rotation of the rotor is provided above the working platform 1.

[0021] Furthermore, the driving mechanism 100 includes a driving frame 6, on which a driving pulley 7 and two driven pulleys 8 with axes extending forward and backward are rotatably connected, and a belt 9 is transmission-connected to the driven pulley 8 and the driving pulley 7, and the driven pulley 8 is arranged below the driving pulley 7, and the driving pulley 7 is transmission-connected to a first motor 10 for controlling rotation, and the first motor 10 is arranged on the driving frame 6, and the driving mechanism 100 also includes a first linear reciprocating motion mechanism for controlling the driving frame 6 to move up and down; the first linear reciprocating motion mechanism includes a frame 11, on which a first linear guide rail 12 extending up and down is provided, and on which a first linear slider 13 is slidably connected, the driving frame 6 is arranged on the first linear slider 13, and on which a push rod cylinder 14 whose end of a telescopic rod is connected to the driving frame is provided.

[0022] Furthermore, the positioning groove 4 is a V-shaped positioning groove.

[0023] In this embodiment, firstly, a rotor with bearings at both ends is taken, and the front end bearing frame is installed in the positioning groove 4 of the front positioning frame 2, and the rear end bearing frame is installed in the positioning groove 4 of the rear positioning frame 3. At this time, the extended shaft end portion is located directly above the measuring head of the distance sensor 5; then, the first linear reciprocating motion mechanism is operated to drive the driving frame 6 to move downward until the belt 9 is close to the outer wall of the rotor; then the first motor 10 is started, and the first motor 10 drives the driving pulley 7 to rotate, and the belt 9 close to the rotor drives the rotor to rotate through the belt 9 and the driven pulley 8, so that the distance sensor 5 completes the detection of the axial runout of the shaft in the circumferential direction; finally, each mechanism is reset, and the rotor to be measured is removed.

[0024] Example 2

[0025] See also Figures 1 to 6As shown, a rotor shaft runout detection device involved in this embodiment is further configured on the basis of Embodiment 1, wherein the working platform 1 is provided with a second linear reciprocating motion mechanism for controlling its forward and backward movement; the second linear reciprocating motion mechanism includes a second linear guide 15 extending forward and backward, and a second linear slider 16 is slidably connected to the second linear guide 15, and the working platform 1 is arranged on the second linear slider 16, and the second linear reciprocating motion mechanism also includes a screw seat 17, and a screw 18 extending forward and backward is rotatably connected to the screw seat 17, and a screw nut 19 is rotatably connected to the screw 18, and the working platform 1 is arranged on the screw nut 19, and one end of the screw 18 is transmission-connected to a second motor 20 for controlling rotation.

[0026] In this embodiment, a second linear reciprocating motion mechanism is provided to control the forward and backward movement of the working platform 1 for adjusting the axial position of the rotor, so that the device can be used for detecting the shaft runout of rotors of different specifications and sizes.

[0027] Example 3

[0028] See also Figures 1 to 6 As shown, the rotor shaft runout detection device involved in this embodiment is further configured on the basis of embodiments 1 and 2, wherein the rear positioning frame 3 is provided with an axial baffle extending into the positioning groove 4, and the axial baffle includes a front baffle 21 and a rear baffle 22.

[0029] In this embodiment, the front baffle plate 21 and the rear baffle plate 22 are provided to provide axial limiting function for the clamped rotor.

[0030] The rotor shaft runout detection device involved in the utility model drives the rotor to rotate by placing a transmission belt against the outer wall of the rotor, and uses a distance measuring sensor located below the shaft to circumferentially detect the shaft surface runout, thereby achieving automatic measurement with high measurement accuracy, and has complete overall functions and strong practicality.

[0031] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0032] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A rotor shaft runout detection device, comprising a working platform, characterized in that: The working platform is provided with a front positioning frame and a rear positioning frame, and the tops of the rear positioning frame and the front positioning frame are provided with matching positioning grooves. The working platform is also provided with a distance measuring sensor which is arranged in the same straight line as the positioning groove, and the measuring head of the distance measuring sensor is arranged upward. A driving mechanism for controlling the rotation of the rotor is provided above the working platform.

2. The rotor shaft runout detection device according to claim 1, characterized in that: The driving mechanism includes a driving frame, on which a driving pulley and two driven pulleys are rotatably connected with an axis extending forward and backward, the driven pulley is connected to the driving pulley with a belt, the driven pulley is arranged below the driving pulley, the driving pulley is connected to a first motor for controlling rotation, the first motor is arranged on the driving frame, and the driving mechanism also includes a first linear reciprocating motion mechanism for controlling the driving frame to move up and down.

3. The rotor shaft runout detection device according to claim 2, characterized in that: The first linear reciprocating motion mechanism includes a frame, a first linear guide rail extending up and down is provided on the frame, a first linear slider is slidably connected to the first linear guide rail, the driving frame is arranged on the first linear slider, and the frame is provided with a push rod cylinder whose end of the telescopic rod is connected to the driving frame.

4. The rotor shaft runout detection device according to any one of claims 1 to 3, characterized in that: The working platform is provided with a second linear reciprocating motion mechanism for controlling the working platform to move forward and backward.

5. The rotor shaft runout detection device according to claim 4, characterized in that: The second linear reciprocating motion mechanism includes a second linear guide rail extending forward and backward, a second linear slider is slidably connected to the second linear guide rail, the working platform is arranged on the second linear slider, the second linear reciprocating motion mechanism also includes a screw seat, a screw extending forward and backward is rotatably connected to the screw seat, a screw nut is rotatably connected to the screw, the working platform is arranged on the screw nut, and one end of the screw is transmission-connected to a second motor for controlling the rotation.

6. The rotor shaft runout detection device according to claim 1, characterized in that: The front positioning frame and / or the rear positioning frame are provided with an axial baffle extending into the positioning groove, and the axial baffle includes a front baffle and a rear baffle.

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