Motor test installation device

Abstract

The utility model discloses a motor test installation device, which comprises a foreground base and a background base, a load motor is arranged on the foreground base, a test motor is arranged on the background base, the load motor and the test motor are oppositely arranged, a positioning bracket is arranged between the load motor and the test motor, a positioning disc is arranged on the positioning bracket, and the positioning disc is arranged on the background base. A first coupling and a second coupling are arranged on the two sides of the positioning disc respectively, the first coupling is close to the testing motor, an output shaft of the testing motor is sleeved with the first coupling, one end of a torque sensor is connected into the second coupling, and the other end of the torque sensor is connected with a third coupling. A fourth coupling is arranged on the side, away from the torque sensor, of the third coupling. An output shaft of a load motor is sleeved with the fourth coupling. According to the utility model, the adjustment time for ensuring the concentricity of the output shaft of the test motor and the load motor coupling can be reduced, the work efficiency is improved, and the normal test work of the device is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor testing equipment, in particular to a motor testing installation device. Background Art

[0002] Before leaving the factory, motors need to undergo strict inspection and testing to ensure that they meet various standards. Test motors are usually installed directly on the test platform. Since the main shaft, coupling and load motor of the tested motor must be concentric, and the motor base foot of the existing test platform cannot be positioned, it is impossible to ensure that the main shaft, coupling and load motor of the tested motor are not concentric, and calibration is very troublesome. At the same time, the size of the installation hole of the existing test motor is fixed, and the installation size cannot be adjusted. New tooling needs to be added during installation, which is time-consuming and laborious. Utility Model Content

[0003] In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art and provide a motor test installation device. The present application provides the following technical solutions:

[0004] A motor test installation device comprises a front-end base and a back-end base, wherein a load motor is installed on the front-end base, and a test motor is installed on the back-end base, the load motor and the test motor are arranged opposite to each other, a positioning bracket is arranged between the load motor and the test motor, a positioning plate is arranged on the positioning bracket, a first coupling and a second coupling are respectively arranged on both sides of the positioning plate, the first coupling is arranged close to the test motor, the output shaft sleeve of the test motor is arranged in the first coupling, one end of a torque sensor is connected in the second coupling, the other end of the torque sensor is connected to a third coupling, a fourth coupling is arranged on the side of the third coupling away from the torque sensor, and the output shaft of the load motor is sleeved in the fourth coupling.

[0005] In a possible embodiment, a base is slidably connected to the backstage base, and the base slides along the backstage base driven by a screw. A turbine screw elevator is provided on the base, and a test motor seat is provided on the turbine screw elevator. The test motor is installed on the test motor seat, and the turbine screw elevator is used to drive the test motor seat to move up and down.

[0006] In a possible embodiment, inverted L-shaped strips are provided on both sides of the backstage base, a slide groove is formed between each of the inverted L-shaped strips and the backstage base, and the two sides of the base are respectively matched with the corresponding slide grooves.

[0007] In a possible embodiment, a guide column is provided between the base and the test motor seat.

[0008] In a possible embodiment, the front desk base is a hollow box structure, and holes are formed on two side surfaces of the front desk base.

[0009] In a possible embodiment, a cushion seat is provided on the front desk base, and the load motor is installed on the cushion seat.

[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0011] When assembling the motor test installation device of the utility model, the positioning plate is installed in the positioning bracket, and the first coupling and the second coupling are respectively positioned and connected through the positioning protrusions and positioning recesses on both sides of the positioning plate, so as to ensure that the first coupling, the second coupling, the two shaft ends of the torque sensor, the third coupling, the fourth coupling and the output shaft of the load motor on the output shaft of the test motor are concentric, thereby reducing the adjustment time for ensuring the concentricity of the output shaft of the test motor and the load motor coupling, improving the work efficiency, and ensuring that the device test work is carried out normally.

[0012] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, preferred embodiments are given below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a front view structural schematic diagram of the utility model.

[0016] Figure 3 It is a cross-sectional schematic diagram of the utility model from a top view.

[0017] Figure 4 It is a structural schematic diagram of the positioning plate of the utility model under one viewing angle.

[0018] Figure 5 It is a structural schematic diagram of the positioning plate of the utility model from another viewing angle.

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the positioning bracket of the utility model.

[0020] Figure markings: 1-front-stage base; 2-back-stage base; 3-load motor; 4-test motor; 6-positioning plate; 7-base; 8-screw; 9-turbine screw lifter; 10-test motor seat; 11-inverted L-shaped pressure strip; 12-guide column; 13-positioning bracket; 14-first coupling; 15-second coupling; 16-third coupling; 17-fourth coupling. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0022] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] Please refer to Figure 1-6As shown, a motor test installation device provided in this embodiment includes a front-end base 1 and a back-end base 2, a load motor 3 is installed on the front-end base 1, and a test motor 4 is installed on the back-end base 2, the load motor 3 and the test motor 4 are arranged opposite to each other, a positioning bracket 13 is arranged between the load motor 3 and the test motor 4, a positioning plate 6 is arranged on the positioning bracket 13, a first coupling 14 and a second coupling 15 are respectively arranged on both sides of the positioning plate 6, the first coupling 14 is arranged close to the test motor 4, the output shaft sleeve of the test motor 4 is arranged in the first coupling 14, one shaft end of the torque sensor is connected in the second coupling 15, the other shaft end of the torque sensor is connected to the third coupling 16, a fourth coupling 17 is arranged on the side of the third coupling 16 away from the torque sensor, and the output shaft of the load motor 3 is sleeved in the fourth coupling 17

[0025] The front desk base 1 is a hollow box structure, and holes are opened on two side surfaces of the front desk base 1; a raised seat is provided on the front desk base 1, and the load motor 3 is installed on the raised seat.

[0026] In the above embodiment, if Figure 1-3 The structure diagram of the utility model is shown as follows. From right to left, the motor test installation platform of the utility model includes a front base 1 and a back base 2, wherein a load motor 3 is installed on the front base 1. The front base 1 is a rectangular hollow box structure with through holes on both sides to reduce the overall weight. A pad is fixedly installed on the top right side of the front base 1 by bolts, and the load motor 3 is fixed to the pad by bolts. A positioning bracket 13 and a torque sensor bracket are installed on the left side of the front base 1 in sequence, and a positioning plate 6 is fixed to the positioning bracket 13 by bolts. The left side of the positioning plate is a positioning protrusion, and the right side is a positioning recess. The first coupling 14 is installed on the left side by bolts, and the second coupling 15 is installed on the right side. , to ensure concentricity, the torque sensor is fixed on the torque sensor bracket, the output shaft of the load motor 3 is sleeved with the fourth coupling 17, the fourth coupling 17 is relatively set with the third coupling 16, the right end of the torque sensor is sleeved on the third coupling 16, during installation, the third coupling 16 and the fourth coupling 17 are aligned and fixed one by one by bolts, directly ensuring concentricity, the left side is the background base 2, the background base 2 is installed with the test motor 4, the test motor 4 and the load motor 3 are kept relatively arranged, the main shaft of the test motor 4, that is, the output shaft is sleeved in the first coupling 14, the left end of the torque sensor is sleeved in the second coupling 15 on the right side of the positioning plate, to ensure its concentricity, wherein the structure of the positioning plate 6 is as shown Figure 4-5As shown, the two sides of the positioning plate 6 are respectively a boss stop and a positioning concave hole. The positioning plate 6 can ensure the concentricity of the test motor 4 and the load motor 3. Specifically, during assembly, the boss stop of the positioning plate 6 is positioned with the first coupling 14, and the concave inner hole on the other side of the positioning plate 6 is positioned with the outer diameter of the second coupling 15, so as to ensure concentricity. The positioning plate 6 is installed on the positioning bracket 13, and the positioning bracket 13 is as shown in FIG. Figure 6 shown.

[0027] The test installation device of the utility model can be used to test various parameters of the motor 4. The torque of the tested motor 4 can be tested by adjusting the braking torque of the load motor 3. The three-phase current of the tested motor 4 can be measured by an ammeter, and the power and power factor of the tested motor 4 can be measured by a power meter and a power factor meter. The number of revolutions and the speed of the motor can be measured by a rotary encoder at the tail of the load motor 3, and its torque can be tested by a torque sensor. The above-mentioned measurement methods and measurement devices are mature technologies in the prior art and will not be elaborated in detail in this application. The utility model only improves the test installation platform.

[0028] In the optional scheme of the above embodiment, in order to ensure the positioning accuracy of the test motor 4 and the load motor 3, the position of the test motor 4 is adjustable relative to the background base 2. Specifically, a base 7 is slidably connected to the background base 2, and the base 7 slides along the background base 2 driven by a screw 8. A turbine screw lift 9 is provided on the base 7, and a test motor seat 10 is provided on the turbine screw lift 9. The test motor 4 is installed on the test motor seat 10, and the turbine screw lift 9 is used to drive the test motor seat 10 to move up and down; inverted L-shaped pressure strips 11 are provided on both sides of the background base 2, and a slide groove is formed between each of the inverted L-shaped pressure strips 11 and the background base 2, and the two sides of the base 7 are respectively matched with the corresponding slide grooves; a guide column 12 is provided between the base 7 and the test motor seat 10.

[0029] In this option, if Figure 1-2 As shown, the test motor 4 can be adjusted in two directions. First, in the vertical direction, the test motor 4 is fixed to the test motor seat 10 by bolts. Turbine screw lifts 9 are installed on both sides of the bottom of the test motor seat 10. A guide column 12 is also installed on both sides as a guide. The test motor seat 10 can be driven by the turbine screw lift 9 to slide up and down along the guide column 12, so as to adjust the height of the test motor 4 to achieve the purpose of precise positioning. The turbine screw lift 9 is a mature product in the prior art. The turbine worm and the screw 8 are rotated together to convert the lateral rotation into a vertical back and forth motion. It will not be described in detail in this application. The turbine worm lift and the guide column 12 are fixed on the base 7;

[0030] The bottom of the base 7 is slidably connected to the background base 2 to achieve lateral adjustment. A screw 8 is installed in the middle of the background base 2, and a nut seat is provided on the screw 8. The bottom of the base 7 is installed on the nut seat, and the base 7 can be driven to slide on the base by rotating one end of the screw 8. In order to ensure smooth and stable sliding, an inverted L-shaped pressure strip 11 is provided on both sides of the background base 2, and a slide groove is formed between the inverted L-shaped pressure strip 11 and the background base 2. The two side edges of the base 7 are respectively placed in the slide groove so that the base can slide along the slide groove, and the rotation of the screw 8 can manually shake the handle at one end of the screw 8, or it can be driven by a motor. In this way, the position of the test motor 4 can be adjusted by these two structures to ensure its accurate positioning.

[0031] It is worth mentioning that after the installation is completed, the output shaft of the test motor 4, the torque sensor and the output shaft of the load motor 3 have been kept concentric under the action of the positioning plate 6. Before the test, remove the bolts between the positioning plate 6 and the first coupling 14, and then use the screw 8 to move the test motor 4 to the left, away from the second coupling 15, and then remove the positioning plate 6 from the positioning bracket, and then use the screw 8 to move it to the right, that is, close to the first coupling 15, and then fix the first coupling 14 and the second coupling 15 with bolts, and then start the test, so as to ensure the concentricity between the test motor 4, the coupling and the load motor 3 during the test.

[0032] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A motor test installation device, characterized in that: It includes a front-end base and a back-end base, a load motor is installed on the front-end base, a test motor is installed on the back-end base, the load motor and the test motor are arranged opposite to each other, a positioning bracket is arranged between the load motor and the test motor, a positioning plate is arranged on the positioning bracket, a first coupling and a second coupling are respectively arranged on both sides of the positioning plate, the first coupling is arranged close to the test motor, the output shaft sleeve of the test motor is arranged in the first coupling, one end of the torque sensor is connected in the second coupling, the other end of the torque sensor is connected to the third coupling, a fourth coupling is arranged on the side of the third coupling away from the torque sensor, and the output shaft of the load motor is sleeved in the fourth coupling.

2. A motor test installation device according to claim 1, characterized in that: A base is slidably connected to the backstage base, and the base slides along the backstage base driven by a lead screw. A turbine screw elevator is provided on the base, and a test motor seat is provided on the turbine screw elevator. The test motor is installed on the test motor seat, and the turbine screw elevator is used to drive the test motor seat to move up and down.

3. A motor test installation device according to claim 2, characterized in that: Inverted L-shaped pressure strips are arranged on both sides of the backstage base, and a slide groove is formed between each of the inverted L-shaped pressure strips and the backstage base, and the two sides of the base are respectively matched with the corresponding slide grooves.

4. A motor test installation device according to claim 2, characterized in that: A guide column is arranged between the base and the test motor seat.

5. The motor test installation device according to claim 1, characterized in that: The front desk base is a hollow box structure, and holes are opened on two side surfaces of the front desk base.

6. A motor test installation device according to claim 1, characterized in that: A cushion seat is arranged on the front desk base, and the load motor is installed on the cushion seat.

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