CN218037221U

CN218037221U - Motor shaft rotation testing device

Info

Publication number: CN218037221U
Application number: CN202222030687.6U
Authority: CN
Inventors: 李凯; 谢群; 李阳
Original assignee: Wilo Changzhou Pump Co ltd
Current assignee: Wilo Changzhou Pump Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-13
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to a motor shaft test technical field especially relates to a rotatory testing arrangement of motor shaft, including fixed plate, base, rotating electrical machines and coupling assembling, the fixed plate welding is on the base, and the rotating electrical machines passes through the screw installation on the fixed plate, coupling assembling includes outer hexagon bolt, hexagon socket head cap nut, sleeve pipe and fastener, and outer hexagon bolt joint is on the output shaft of rotating electrical machines, on hexagon socket head cap nut's outer wall including sleeve pipe fixed mounting, fixed connection between fastener and the sleeve pipe is provided with spacing piece on the fastener, and one side relative with spacing piece is provided with a plurality of fixture blocks on the fastener, and still is provided with the flexion on the fastener, set up a plurality ofly on the flexion and the latch of fixture block adaptation. Compared with the prior art, the utility model discloses can drive it under the condition of not direct contact spindle nose and carry out the rotation test to reduce the damage to the motor shaft, the dismouting is also comparatively convenient and fast moreover.

Description

Motor shaft rotation testing device

Technical Field

The utility model relates to a motor shaft test technical field especially relates to a motor shaft rotation testing arrangement.

Background

Before the motor is put into use formally, a series of detections need to be carried out on a motor shaft installed on the motor, and the detections are mainly used for judging whether a deflection phenomenon of the motor shaft exists or not.

The traditional motor test needs to connect the shaft head and the test equipment by the coupler for rotation test, so that the shaft head is easy to damage, and the disassembly is difficult, time-consuming and labor-consuming. Therefore, we propose a motor shaft rotation testing apparatus to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and the rotatory testing arrangement of motor shaft that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotation testing device for a motor shaft comprises a fixing plate, a base, a rotating motor and a connecting assembly, wherein the fixing plate is welded on the base, and the rotating motor is installed on the fixing plate through screws;

the connecting assembly comprises an outer hexagon bolt, an inner hexagon nut, a sleeve and a clamping piece, the outer hexagon bolt is clamped on an output shaft of the rotating motor, the sleeve is fixedly arranged on the outer wall of the inner hexagon nut, and the clamping piece is fixedly connected with the sleeve;

be provided with spacing piece on the fastener, one side relative with spacing piece is provided with a plurality of fixture blocks on the fastener, and still is provided with the flexion on the fastener, offers a plurality of latches with the fixture block adaptation on the flexion.

Preferably, a switch electrically connected with the fixed plate is embedded on the side wall of the fixed plate at one side of the rotating motor.

Preferably, an annular connecting groove is formed in the side wall of one side of the inner hexagonal nut, an inner thread is formed in the inner wall of the connecting groove, and an outer thread is formed in one end of the sleeve.

Preferably, the internal thread is adapted to the external thread.

Preferably, the limiting sheet, the clamping piece and the bending part are connected into a whole, and the clamping block is welded on the outer surface of the clamping piece.

Preferably, the connection part of the clamping piece and the bending part is arranged in a concave structure.

Compared with the prior art, the beneficial effects of the utility model are that:

through regard as test equipment with the rotating electrical machines, an outer hexagon bolt of installation on its output, through an interior hexagon nut of fastener and sleeve pipe installation on the spindle nose, through outer hexagon bolted connection interior hexagon nut for test equipment can drive it and carry out the rotation test under the condition of direct contact spindle nose not, with the reduction to the damage of motor shaft, the dismouting is also comparatively convenient and fast moreover.

Drawings

Fig. 1 is a schematic structural view of a motor shaft rotation testing device provided by the present invention;

fig. 2 is a schematic diagram of a positional relationship between an inner hexagon nut and a connecting groove of the device for testing rotation of a motor shaft according to the present invention;

fig. 3 is the utility model provides a rotatory testing arrangement of motor shaft's fastener structure sketch map.

In the figure: 1. a fixing plate; 2. a rotating electric machine; 3. a base; 4. an outer hexagon bolt; 5. a hexagon socket nut; 51. connecting grooves; 6. a sleeve; 7. a fastener; 71. clamping teeth; 72. a limiting sheet; 73. a clamping block; 74. a curved portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a motor shaft rotation testing device comprises a fixing plate 1, a base 3, a rotating motor 2 and a connecting assembly, wherein the fixing plate 1 is welded on the base 3, the rotating motor 2 is installed on the fixing plate 1 through screws, and a switch electrically connected with the rotating motor 2 is embedded on the side wall of the fixing plate 1 at one side of the rotating motor 2;

the connecting assembly comprises an outer hexagon bolt 4, an inner hexagon nut 5, a sleeve 6 and a clamping piece 7, the outer hexagon bolt 4 is clamped on an output shaft of the rotating motor 2, the sleeve 6 is fixedly installed on the outer wall of the inner hexagon nut 5, the clamping piece 7 is fixedly connected with the sleeve 6, and a protruding part of the outer hexagon bolt 4 is in threaded connection with a hole of the inner hexagon nut 5, so that a motor shaft is connected with the rotating motor 2;

be provided with spacing piece 72 on fastener 7, one side relative with spacing piece 72 is provided with a plurality of fixture blocks 73 on fastener 7, and still be provided with flexion 74 on fastener 7, fastener 7 is the indent structure setting with the junction of flexion 74, set up a plurality of latch 71 with fixture block 73 adaptation on the flexion 74, the utilization is placed fastener 7 is pasting the motor shaft, go into flexion 74 again to spacing piece 72 and the middle zone card of fastener 7, make flexion 74 also tightly laminate on the outer wall of motor shaft, thereby make fastener 7 and motor shaft fixed together, can play fixed effect to hexagon nut 5.

Further, an annular connecting groove 51 is formed in the side wall of one side of the hexagon socket nut 5, an internal thread is formed in the inner wall of the connecting groove 51, an external thread is formed in one end of the sleeve 6, and the internal thread is matched with the external thread.

Further, the limiting piece 72, the clamping piece 7 and the bending part 74 are connected into a whole, and the clamping block 73 is welded on the outer surface of the clamping piece 7.

The working principle is as follows:

through laminating the motor shaft bending with flexion 74, make it block fixed between fixture block 73, get up hexagon socket nut 5 and the tip of sleeve pipe 6 through threaded connection again, pass through threaded connection with hexagon socket nut 5 and outer hex bolts 4 again together fixed, later, during the rotation detection, press the switch, start rotating electrical machines 2, can drive the motor shaft and rotate the test, during the dismantlement, otherwise can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A motor shaft rotation testing device comprises a fixing plate (1), a base (3), a rotating motor (2) and a connecting assembly, and is characterized in that the fixing plate (1) is welded on the base (3), and the rotating motor (2) is installed on the fixing plate (1) through screws;

the connecting assembly comprises an outer hexagon bolt (4), an inner hexagon nut (5), a sleeve (6) and a clamping piece (7), the outer hexagon bolt (4) is clamped on an output shaft of the rotating motor (2), the sleeve (6) is fixedly installed on the outer wall of the inner hexagon nut (5), and the clamping piece (7) is fixedly connected with the sleeve (6);

the clamping piece (7) is provided with a limiting piece (72), one side opposite to the limiting piece (72) is provided with a plurality of clamping blocks (73) on the clamping piece (7), the clamping piece (7) is further provided with a bending portion (74), and the bending portion (74) is provided with a plurality of clamping teeth (71) matched with the clamping blocks (73).

2. The device for testing the rotation of the motor shaft as claimed in claim 1, wherein a switch electrically connected with the rotating motor (2) is embedded on one side of the fixed plate (1).

3. The motor shaft rotation testing device of claim 1, wherein an annular connecting groove (51) is formed in a side wall of the inner hexagonal nut (5), an inner thread is formed in an inner wall of the connecting groove (51), and an outer thread is formed at one end of the sleeve (6).

4. The device for testing the rotation of the motor shaft as recited in claim 3, wherein the internal threads are adapted to the external threads.

5. The motor shaft rotation testing device as claimed in claim 1, wherein the limiting piece (72), the clamping piece (7) and the bending part (74) are connected into a whole, and the clamping block (73) is welded on the outer surface of the clamping piece (7).

6. The motor shaft rotation testing device of claim 5, wherein the connection between the clip member (7) and the bending portion (74) is concave.