Stator and rotor height difference detection device

Abstract

The utility model discloses a stator and rotor height difference detection device, which comprises a casing, a rack is mounted on one side of the bottom end in the casing, a fixing plate is mounted in the middle of the casing, a rotor measuring rod is arranged between the top end of the rack and the lower surface of the fixing plate, and a measuring device is arranged on the lower surface of the fixing plate. An assembly line is arranged below the machine shell, a tool plate is arranged on the assembly line, and a jacking device is arranged below the assembly line. When the device is used for measuring the height difference of the stator and the rotor, a laser or infrared measurement mode is adopted, non-contact measurement with the stator is adopted, the possibility of damage to an enameled wire of the stator during measurement is avoided, potential safety hazards are eradicated, the rotor measuring rod is made of stainless steel, measurement is accurate and durable, and the height of the stator iron core is measured in a non-contact mode. The possibility of damage to a stator enameled wire during measurement is avoided, and the use safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of motor stator and rotor detection, in particular to a stator and rotor height difference detection device. Background Art

[0002] The assembly height of the stator and rotor of a rotary compressor has a great impact on the performance of the whole machine. The industry mostly adopts full inspection control for this size, full inspection with simple inspection tools or automatic full inspection with equipment. The method is: insert a metal measuring rod between the shell and the stator coil, and use the measured end face of the stator core as a reference. Insert the metal measuring rod into the inner hole of the rotor to measure the height of the rotor core to obtain the height difference between the stator and rotor cores. The metal measuring rod on the end face of the stator core may scratch the stator enameled wire, which poses a great safety hazard. Utility Model Content

[0003] In view of the above technical problems in the related art, the utility model provides a stator-rotor height difference detection device, which can solve the above problems.

[0004] In order to achieve the above technical purpose, the technical solution of the utility model is implemented as follows:

[0005] A stator-rotor height difference detection device, characterized in that it comprises a casing, a frame is installed on one side of the bottom end of the casing, a fixing plate is installed in the middle of the casing, a rotor measuring rod is arranged between the top of the frame and the lower surface of the fixing plate, a measuring device is arranged on the lower surface of the fixing plate, an assembly line is arranged below the casing, a tooling plate is arranged on the assembly line, and a lifting device is arranged below the assembly line.

[0006] Furthermore, the bottom end of the rotor measuring rod is arranged at the top center of the frame.

[0007] Furthermore, the assembly line is provided with a fixing plate, and the frame is mounted on the fixing plate.

[0008] Furthermore, the lifting device matches the tooling plate.

[0009] Furthermore, the measuring medium of the measuring device includes laser and infrared, and the material of the rotor measuring rod includes stainless steel.

[0010] The beneficial effects of the utility model are as follows: when measuring the height difference between the stator and the rotor, the device of the present application adopts a laser or infrared measurement method, and a non-contact measurement with the stator, thereby avoiding the possibility of damage to the stator enameled wire during measurement and eliminating safety hazards. The rotor measuring rod is made of stainless steel, and the measurement is accurate and durable. The non-contact measurement of the stator core height is adopted, thereby avoiding the possibility of damage to the stator enameled wire during measurement, and the use safety is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] The utility model is further described in detail below with reference to the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of a stator-rotor height difference detection device according to an embodiment of the utility model;

[0014] In the figure:

[0015] 1. Casing; 2. Frame; 3. Rotor measuring rod; 4. Measuring device; 5. Assembly line; 6. Tooling plate; 7. Lifting device. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0017] like Figure 1 As shown, according to the utility model, a stator-rotor height difference detection device is disclosed, comprising a casing 1, a frame 2 is installed on one side of the bottom end of the casing 1, a fixing plate is installed in the middle of the casing 1, a rotor measuring rod 3 is arranged between the top of the frame 2 and the lower surface of the fixing plate, a measuring device 4 is arranged on the lower surface of the fixing plate, an assembly line 5 is arranged below the casing 1, a tooling plate 6 is arranged on the assembly line 5, and a lifting device 7 is arranged below the assembly line 5;

[0018] In one embodiment of the utility model, the bottom end of the rotor measuring rod 3 is arranged at the top center of the frame 2. The assembly line 5 is provided with a fixing plate, and the frame 2 is mounted on the fixing plate. The lifting device 7 matches the tooling plate 6. The measuring medium of the measuring device 4 includes laser and infrared, and the material of the rotor measuring rod 3 includes stainless steel;

[0019] In one embodiment of the utility model, the rotor measuring rod 3 and the measuring device 4 are mounted on the frame 2, and the frame 2 is mounted on the fixed plate of the assembly line 5. The tooling plate 6 on which the compressor is placed is operated on the assembly line 5. After the tooling plate 6 is in place, the jacking device 7 lifts up the tooling plate 6, and the measuring device 4 and the rotor measuring rod 3 extend, and the height value is measured at the same time. The difference between the two is the stator-rotor height difference. After the measurement is completed, the jacking device 7 descends, and the tooling plate 6 is released. The technical solution of the present application adopts a non-contact type, and a laser or infrared measuring device is used between the housing and the stator coil to the end face of the stator core as a reference, which can protect the stator enameled wire and completely eliminate the possibility of scratching the stator enameled wire after metal contact. The height difference between the stator and rotor is measured by inserting a stainless steel measuring rod into the inner hole of the rotor to measure the height of the rotor core.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stator-rotor height difference detection device, characterized in that: The invention comprises a casing (1), a frame (2) being installed on one side of the bottom end of the casing (1), a fixing plate being installed in the middle of the casing (1), a rotor measuring rod (3) being arranged between the top of the frame (2) and the lower surface of the fixing plate, a measuring device (4) being arranged on the lower surface of the fixing plate, an assembly line (5) being arranged below the casing (1), a tooling plate (6) being arranged on the assembly line (5), a lifting device (7) being arranged below the assembly line (5), and a measuring medium of the measuring device (4) comprising laser and infrared rays.

2. A stator-rotor height difference detection device according to claim 1, characterized in that: The bottom end of the rotor measuring rod (3) is arranged at the top center of the frame (2).

3. A stator-rotor height difference detection device according to claim 1, characterized in that: The assembly line (5) is provided with a fixing plate, and the frame (2) is mounted on the fixing plate.

4. A stator-rotor height difference detection device according to claim 1, characterized in that: The lifting device (7) matches the tooling plate (6).

5. The stator-rotor height difference detection device according to claim 1, characterized in that: The material of the rotor measuring rod (3) includes stainless steel.

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