Motor shaft length detection device

Abstract

The utility model discloses a motor shaft length detection device, which comprises a fixed plate, a plurality of motor shaft supports are uniformly distributed on the upper surface of the fixed plate, an L-shaped protective plate is arranged at the upper end of the fixed plate, a cross rod is vertically fixed on one side of the L-shaped protective plate, scales are uniformly distributed on the surface of the cross rod, the outer side surface of the cross rod is in sliding connection with a sliding block, and the outer side surface of the sliding block is in sliding connection with the motor shaft support. A groove is formed in the lower end of the sliding block, a rotatable rotating shaft is arranged in the groove, a connecting rod is fixed to the outer side face of the rotating shaft, and a clamping plate is fixed to one end of the connecting rod. According to the motor shaft length detection device, the detection precision of the length of the motor shaft can be improved, meanwhile, the motor shaft does not need to be carried in a reciprocating mode, and time is saved; the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shaft detection, in particular to a motor shaft length detection device. Background Art

[0002] The motor shaft is an important transmission component of the motor. Its accuracy affects the service life of the motor. The length requirements of the motor shaft are different for motors of different sizes. Therefore, the length of the motor shaft needs to be tested after the motor shaft is processed.

[0003] The current detection method has the following disadvantages: (1) Measurement is done by a ruler, which is prone to errors if it is not placed level; (2) During detection, the motor shafts are transported to the detection station and then transported back after the detection is completed, which wastes time. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a motor shaft length detection device, which can not only improve the detection accuracy of the motor shaft length, but also eliminate the need to reciprocate the motor shaft, save time, improve work efficiency, and effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor shaft length detection device, comprising a fixed plate, a plurality of motor shaft brackets are evenly distributed on the upper surface of the fixed plate, an L-shaped guard plate is arranged at the upper end of the fixed plate, a cross bar is vertically fixed to one side of the L-shaped guard plate, the surface of the cross bar is evenly distributed with scales, a slider is slidably connected to the outer side surface of the cross bar, a groove is arranged at the lower end of the slider, a rotatable shaft is arranged in the groove, a connecting rod is fixed to the outer side surface of the shaft, and a clamping plate is fixed to one end of the connecting rod.

[0006] As a preferred technical solution of the present invention, the clamping plate is a U-shaped structure, and the end surface of the clamping plate and the end surface of the slider are located in the same plane.

[0007] As a preferred technical solution of the present utility model, one end of the cross bar is integrally connected with a mounting plate, and the mounting plate is connected to the L-shaped guard plate by fixing bolts.

[0008] As a preferred technical solution of the utility model, four legs are evenly distributed on the lower surface of the fixing plate, and universal locking wheels are provided at the lower ends of the legs.

[0009] As a preferred technical solution of the utility model, a push handle is symmetrically arranged on one end of the upper surface of the fixing plate.

[0010] Compared with the prior art, the beneficial effects of the present invention are: (1) by setting a cross bar to be vertically fixed on the L-shaped guard plate, the cross bar is engraved with scales, and the movement of the slider drives the clamping plate to move to fit one end of the motor shaft, and the other end of the motor shaft is against the L-shaped guard plate, so that the length of the motor shaft can be quickly measured; (2) by setting a universal locking wheel, the movement of the device is convenient, and the motor shaft can be tested anytime and anywhere without the need to reciprocate the motor shaft, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0012] Figure 2 This is the front view of the utility model;

[0013] Figure 3 It is a top view of the utility model.

[0014] In the figure: 1 a fixing plate, 2 a motor shaft bracket, 3 a cross bar, 4 a scale, 5 a slider, 6 a rotating shaft, 7 a connecting rod, 8 a clamping plate, 9 an L-shaped guard plate, 10 a mounting plate, 11 a fixing bolt, 12 a supporting leg, 13 a universal locking wheel, and 14 a push handle. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 2 Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0016] See also Figure 1-3The utility model provides a technical solution: a motor shaft length detection device, comprising a fixing plate 1, a plurality of motor shaft brackets 2 are evenly distributed on the upper surface of the fixing plate 1, motor shafts of different lengths can be placed flat on the motor shaft bracket 2 for length detection, an L-shaped guard plate 9 is arranged on the upper end of the fixing plate 1, a cross bar 3 is vertically fixed to one side of the L-shaped guard plate 9, and scales 4 are evenly distributed on the surface of the cross bar 3, and the "0" scale value of the scale 4 is close to the end of the L-shaped guard plate 9, that is, the connection surface of the cross bar 3 and the L-shaped guard plate 9 is the scale "0" position, and the cross bar 3 is A slider 5 is slidably connected to the outer side surface, a groove is provided at the lower end of the slider 5, a rotatable shaft 6 is provided in the groove, a connecting rod 7 is fixed to the outer side surface of the shaft 6, a clamping plate 8 is fixed to one end of the connecting rod 7. By setting the clamping plate 8 to be rotatable, if the motor shaft to be detected is short, only one or two motor shaft brackets 2 are needed. When the clamping plate 8 is moved, the clamping plate 8 is in a vertical state to prevent interference with the motor shaft bracket 2 on the outside. The clamping plate 8 can be lifted up when it fits the end face of the motor shaft. This is suitable for length detection of motor shafts of different lengths.

[0017] Furthermore, in order to improve the length detection accuracy, the card plate 8 is a U-shaped structure, and the end face of the card plate 8 and the end face of the slider 5 are located in the same plane, that is, the position of the card plate 8 is the display position of the slider 5 on the scale 4 on the cross bar 3.

[0018] Furthermore, in order to facilitate the position adjustment of the cross bar 3 during installation, a mounting plate 10 is integrally connected to one end of the cross bar 3 , and the mounting plate 10 is connected to the L-shaped guard plate 9 via a fixing bolt 11 .

[0019] Furthermore, in order to facilitate the movement of the device at any time without moving the motor shaft to a designated station for length detection, four legs 12 are evenly distributed on the lower surface of the fixed plate 1, and a universal locking wheel 13 is provided at the lower end of the leg 12.

[0020] Furthermore, in order to facilitate workers to push the device, a push handle 14 is symmetrically provided on one end of the upper surface of the fixing plate 1 .

[0021] When in use: move the device to the placement station of the motor shaft parts that need to be tested, and when the motor shaft to be tested is placed flat on the motor shaft bracket 2, one end of the motor shaft is close to the surface of the L-shaped guard plate, and then move the slider 5 to slide on the cross bar 3, so that the clamping plate 8 is close to the other end face of the motor shaft. At this time, the scale value of the slider 5 at the cross bar 3 is the length value of the motor shaft.

[0022] The utility model can be easily operated, occupies little space when in use, is easy to operate and use; can effectively improve the detection accuracy of the length of the motor shaft, and at the same time is convenient for detecting the length of the motor shaft anytime and anywhere without the need to transport it to a designated location, thus saving time and improving work efficiency.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor shaft length detection device, comprising a fixing plate (1), wherein a plurality of motor shaft brackets (2) are evenly distributed on the upper surface of the fixing plate (1), characterized in that: An L-shaped guard plate (9) is arranged at the upper end of the fixed plate (1), a cross bar (3) is vertically fixed to one side of the L-shaped guard plate (9), scales (4) are evenly distributed on the surface of the cross bar (3), a slider (5) is slidably connected to the outer side surface of the cross bar (3), a groove is arranged at the lower end of the slider (5), a rotatable shaft (6) is arranged in the groove, a connecting rod (7) is fixed to the outer side surface of the shaft (6), and a clamping plate (8) is fixed to one end of the connecting rod (7).

2. A motor shaft length detection device according to claim 1, characterized in that: The clamping plate (8) is a U-shaped structure, and the end surface of the clamping plate (8) and the end surface of the slider (5) are located in the same plane.

3. A motor shaft length detection device according to claim 1, characterized in that: One end of the cross bar (3) is integrally connected with a mounting plate (10), and the mounting plate (10) is connected to the L-shaped guard plate (9) via a fixing bolt (11).

4. A motor shaft length detection device according to claim 1, characterized in that: Four supporting legs (12) are evenly distributed on the lower surface of the fixing plate (1), and a universal locking wheel (13) is provided at the lower end of each supporting leg (12).

5. The motor shaft length detection device according to claim 1, characterized in that: A push handle (14) is symmetrically arranged on one end of the upper surface of the fixing plate (1).

Images