CN211669220U

CN211669220U - Motor measuring device

Info

Publication number: CN211669220U
Application number: CN201922486792.9U
Authority: CN
Inventors: 刘浩峰
Original assignee: Tianjin Chenbao Mechanical And Electrical Technology Co ltd
Current assignee: Tianjin Chenbao Mechanical And Electrical Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-13
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a motor measuring device, which is characterized by comprising a base combination and a measuring combination, wherein the measuring combination is arranged at the upper side of the right side of the base combination, the base combination comprises a base, a motor groove, a pressing plate, a wire seat, a wire and a connector lug, the motor groove is arranged at the left side of the upper part of the base, the pressing plate is arranged at the left end and the right end of the upper side and the lower side of the motor groove, the pressing plate comprises a pressing plate body, a spring shaft and a pressing rod, the pressing rod is arranged below the right side of the pressing plate, the left end of the pressing plate is provided with the spring shaft, one side of the spring shaft and the pressing plate body are in an integral structure, the other side of the spring shaft is connected with the base through a bolt, the wire seat is arranged above the motor groove, two groups of wound wires are arranged inside the wire seat, the measuring combination comprises a measuring ring, a guide rail, a magnetic block, a Hall sensor and a bearing.

Description

Motor measuring device

Technical Field

The utility model relates to a measuring device especially relates to a motor measuring device.

Background

The motors are classified into various types, the most representative of which is an asynchronous motor, the asynchronous motor is also called an induction motor, and the induction motor is a motor which realizes electromechanical energy conversion by inducing current in a rotor by electromagnetic induction between a stator and a rotor. The stator of the induction motor consists of a stator core, a stator winding and a base. The rotor is composed of a rotor iron core, a rotor winding and a rotating shaft. The rotor core is also a part of the main magnetic circuit, and is generally formed by laminating silicon steel sheets with the thickness of 0.5mm, and the core is fixed on the rotating shaft or the rotor bracket. The outer surface of the whole rotor is cylindrical. The rotor winding is divided into a cage type and a winding type.

Due to the important status of the motor in the fields of industry, life and the like, the quality of the motor which leaves a factory needs to be ensured, and before the motor leaves the factory, the quality detection of the motor, especially the rotating speed measurement of the motor, needs to be carried out. The existing motor rotating speed measuring device needs to install a motor step by step, then electrify the motor and measure the rotating speed of the motor in various modes. The method has the defects that the time is required for installing the motor step by step, the time consumed for installing the motor is too long, and the measuring efficiency of the rotating speed of the motor is low.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problem, the present invention provides a motor measuring device, which is characterized by comprising a base assembly and a measuring assembly, wherein the measuring assembly is arranged on the upper side of the right side of the base assembly;

the base combination comprises a base, a motor groove, a pressing plate, a wire holder, a wire and a connector lug, wherein the motor groove is formed in the left side above the base, the pressing plate is arranged at the left end and the right end of the upper side and the lower side of the motor groove, the pressing plate is composed of a pressing plate body, a spring shaft and a pressing rod, the pressing rod is arranged below the right side of the pressing plate, the spring shaft is arranged at the left end of the pressing plate, one side of the spring shaft and the pressing plate body are of an integral structure, the other side of the spring shaft is connected with the base through a bolt, the wire holder is arranged above the motor groove, two groups of wound wires are arranged in the wire holder, the wire penetrates through the upper part of the wire;

the measuring combination comprises two measuring rings, a guide rail, magnetic blocks, a Hall sensor and a bearing, wherein the guide rail is arranged on the right side of a groove of the motor in parallel, the cross section of the guide rail is of a T-shaped structure, the groove with the cross section of the two guide rails is formed in the lower portion of the measuring ring, the measuring ring is arranged above the two guide rails, a connecting plate is arranged above the inner portion of the measuring ring, the bearing is welded below the connecting plate, the three magnetic blocks are arranged on the side surface of the bearing in an annular array mode, the Hall sensor is arranged below the bearing, and the lower portion of the Hall sensor is connected with the measuring ring.

The utility model has the advantages that: the utility model discloses a hall switch detection method measures the rotational speed of motor, compares other detection methods, and hall switch detection method has advantages such as saving cost, measurement facility.

1. Uplift the clamp plate, place the embedding of the motor base that will need to measure inside the motor recess, put down the clamp plate, the depression bar embedding of clamp plate sets up in the thread tightening hole of motor base, pulls out two wires, through revolving the twist connector lug, is connected two wires and the line hole of motor terminal box, promotes the measuring ring, embolias the installation that the motor shaft can accomplish the motor with the bearing, through the cooperation of motor recess and clamp plate, can fix the motor is light, has improved the efficiency of motor measurement.

2. The utility model discloses a wire top is provided with the connector lug, through the connector lug can relax be connected the wire with the line hole of motor terminal box, improved the efficiency of motor measurement.

3. When the conducting wire is electrified, the motor starts to rotate, the motor drives the bearing to rotate, the bearing drives the magnetic block to rotate, each time the Hall switch effect is carried out three times, namely, the motor rotates for one circle, the rotating speed of the motor can be rapidly calculated through the times of the Hall switch effect in unit time, and the efficiency of motor measurement is improved.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a schematic structural diagram of the front side of the measuring ring of the present invention;

FIG. 4 is a schematic side view of the pressing plate of the present invention;

fig. 5 is a schematic view of the bottom structure of the pressing plate of the present invention;

fig. 6 is a schematic view of the structure of the lead wire of the present invention;

fig. 7 is a schematic structural diagram of the connector lug of the present invention.

In the figure: 1-base, 101-motor groove, 102-pressure plate, 1021-spring shaft, 1022-pressure rod, 2-measuring ring, 201-guide rail, 202-magnetic block, 203-Hall sensor, 204-bearing, 3-wire base, 301-lead and 302-wire connector.

Detailed Description

Example 1

A motor measuring device is characterized by comprising a base 1 combination and a measuring combination, wherein the measuring combination is arranged on the upper side of the right side of the base 1 combination;

the base 1 combination comprises a base 1, a motor groove 101, a pressing plate 102, a wire seat 3, a wire 301 and a connector lug 302, wherein the motor groove 101 is formed in the left side above the base 1, the pressing plate 102 is arranged at the left end and the right end of the upper side and the lower side of the motor groove 101, the pressing plate 102 consists of a pressing plate 102 body, a spring shaft 1021 and a pressing rod 1022, the pressing rod 1022 is arranged below the right side of the pressing plate 102, the spring shaft 1021 is arranged at the left end of the pressing plate 102, one side of the spring shaft 1021 and the pressing plate 102 body are of an integral structure, the other side of the spring shaft 1021 is connected with the base 1 through a bolt, the wire seat 3 is arranged above the motor groove 101, two groups of wound wires 301 are arranged inside the wire seat 3, the wires 301 penetrate through the;

the measuring combination comprises a measuring ring 2, a guide rail 201, magnetic blocks 202, Hall sensors 203 and bearings 204, the guide rail 201 is two, the guide rail 201 is arranged on the right side of the motor groove 101 in parallel, the cross section of the guide rail 201 is of a T-shaped structure, grooves in the cross section shapes of the two guide rails 201 are formed in the lower portion of the measuring ring 2, the measuring ring 2 is arranged above the two guide rails 201, a connecting plate is arranged above the inner portion of the measuring ring 2, the bearings 204 are welded below the connecting plate, three magnetic blocks 202 are arranged on the side face of each bearing 204 in an annular array mode, the Hall sensors 203 are arranged below the bearings 204, and the lower portions of the Hall sensors 203 are connected with the measuring ring 2.

Example 2

The method comprises the steps of lifting a pressing plate 102, embedding a motor base to be measured into a motor groove 101, putting down the pressing plate 102, embedding a pressing rod 1022 of the pressing plate 102 into a threaded fixing hole formed in the motor base, pulling out two wires 301, connecting the two wires 301 with wire holes of a motor junction box by screwing a connector lug 302, pushing a measuring ring 2, sleeving a bearing 204 into a motor shaft, rotating the motor after the wires 301 are electrified, driving the bearing 204 to rotate by the motor, driving a magnetic block 202 to rotate by the bearing 204, and when a Hall switch effect is performed for three times, namely representing that the motor rotates for one circle, wherein the rotating speed of the motor can be rapidly calculated through the times of the Hall switch effect in unit time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A motor measuring device is characterized by comprising a base combination and a measuring combination, wherein the measuring combination is arranged on the upper side of the right side of the base combination;

2. A motor measuring device as claimed in claim 1, wherein one of said two conductors is neutral and one is live.

3. The motor measuring device of claim 1, wherein the hall sensor is connected to the computer through a wire.

4. The electrical machine measuring device of claim 1, wherein said base is grounded and said measuring ring has a housing made of an insulating material.

5. The motor measuring device as claimed in claim 1, wherein the dimension of the pressure lever is-1 to 2mm of the dimension of the screw thread fixing hole of the motor base to be measured.