CN107202696A - A kind of horizontal stage electric machine torque tester - Google Patents

Abstract

The invention belongs to the field of detection equipment, and in particular relates to a torque tester for a pan-tilt motor, which includes a test bracket, a rocker arm and a computer. The test bracket is fixed with a motor seat for installing the motor to be tested, and the rocker arm is vertically fixed to the motor to be tested. On the output shaft, the first pressure sensor and the second pressure sensor are installed on the test bracket; the pressure sensing surfaces of the two pressure sensors are arranged oppositely, and there is a swing gap; the rocker arm is located in the middle of the swing gap; the two pressure sensors are respectively used In order to obtain the pressure value when the rocker arm touches the corresponding sensing surface, the signal output terminals of the two pressure sensors are connected to the signal input terminals of the computer. The beneficial effects of the present invention are: the precise torque of the tested motor can be fully utilized, unnecessary weight of the motor can be reduced, power consumption can be saved, and resources will not be wasted; excessive torque will not be caused, and the weight of the motor can be reduced, thereby improving flight efficiency.

Description

A kind of torque tester for pan-tilt motor

technical field

The invention belongs to the field of detection equipment, and in particular relates to a torque tester for a pan-tilt motor.

Background technique

With the rapid development of UAV aerial photography technology, people have higher and higher requirements for taking ground pictures at high altitude, and the cloud tilt technology has developed rapidly and gradually began to be applied in various fields. Selecting the right size of the gimbal motor can ensure the stability of the flight as much as possible without affecting the flight efficiency. If the motor is too small, it will cause the motor to be weak and fail to stabilize. If the motor is too large, the weight of the aircraft will increase, and the power consumption will also increase. Reduced flight efficiency. Therefore, selecting the appropriate motor according to the weight of the gimbal is an effective way to improve flight efficiency. Most of the existing pan-tilt motors have the characteristics of excess torque and low battery utilization rate, and there is no instrument or device that can accurately detect the actual torque of the motor, so those skilled in the art often use a large surplus A motor with a large amount of torque is used for the pan/tilt, which causes a waste of resources.

Contents of the invention

The purpose of the present invention is to overcome the defects in the prior art, to provide a motor that can make full use of the precise torque of the tested motor, reduce the unnecessary weight of the motor, save power consumption, and will not cause waste of resources; will not cause excessive torque. phenomenon, reducing the weight of the motor, thereby improving the flight efficiency of the gimbal motor torque tester.

The technical solution adopted by the present invention to solve its technical problems is: a kind of pan-tilt motor torque tester, which includes a test bracket, a rocking arm and a computer, the test bracket is fixed with a motor base for installing the tested motor, and the rocking arm is vertically fixed On the output shaft of the motor to be tested, a first pressure sensor and a second pressure sensor are installed on the test bracket; the pressure sensing surfaces of the first pressure sensor and the second pressure sensor are arranged opposite to each other, and a swing gap is provided; the rocker arm is located on the swing In the middle of the gap; the first pressure sensor and the second pressure sensor are respectively used to obtain the pressure value of the rocker arm touching the corresponding sensing surface, and the signal output ends of the first pressure sensor and the second pressure sensor are connected to the signal input of the computer At the end, the computer is used to calculate and display the actual torque of the motor under test.

First, the motor to be tested is installed on the motor base, and the rocker arm is pressed against the first pressure sensor and the second pressure sensor in sequence through the forward and reverse rotation of the output shaft. The pressure induction of the first pressure sensor and the second pressure sensor After the surface senses the pressure, it sends a signal to the computer, and the computer calculates the actual torque of the motor under test through trigonometric functions and torque formulas. The present invention calculates the actual torque of the motor to be tested by means of a high-precision mechanical structure and a high-precision pressure sensor, and selects a motor of a suitable size for the pan-tilt, and has enough power to stabilize the pan-tilt; the tested tested The actual torque of the motor is very precise and can be precisely matched to the appropriate head. The invention can make full use of the precise torque of the tested motor to reduce unnecessary weight, save power consumption, and will not cause waste of resources; will not cause excess torque, reduces the weight of the motor, and thus improves flight efficiency. The invention can not only measure the torque of the tested motor, but also test the positive and negative torque balance of the tested motor. The invention has the advantages of simple structure and convenient use, and can easily calculate the torque of the motor to be tested.

Among them, the motor base can be replaced and adapted to the tested motors of different specifications, and has a wide range of applications.

Specifically, the test stand includes a first support plate and a second support plate arranged parallel to each other, the four corners of the first support plate and the second support plate are fixedly supported by columns, the motor base is connected to the first support plate by bolts, the second A support plate is provided with a motor through hole for passing through the tested motor, the rocker arm is located between the first support plate and the second support plate, and the first pressure sensor and the second pressure sensor are sandwiched between the first support plate and the second support plate. Between the second support plates: the first pressure sensor and the second pressure sensor are conveniently and firmly installed, and the structure is stable.

Further, the rocker arm is fixed on the output shaft of the motor under test through the fixed shaft plate; that is, the rocker arm and the fixed shaft plate are integrated to facilitate the installation of the rocker arm and the swing of the rocker arm driven by the output shaft of the tested motor.

The beneficial effect of a kind of cloud platform motor torque tester of the present invention is:

1. The actual torque of the motor under test is very accurate, which can be matched with a suitable pan/tilt or a suitable battery, and the battery utilization rate is high;

2. It can make full use of the precise torque of the tested motor to reduce unnecessary weight, save power consumption, and will not cause waste of resources; it will not cause excessive torque, reduce the weight of the motor, and improve flight efficiency;

3. It can not only measure the torque of the tested motor, but also test the positive and negative torque balance of the tested motor;

4. Simple structure, easy to use, can easily calculate the torque of the motor under test.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a three-dimensional structure diagram of a kind of pan-tilt motor torque tester of the present invention;

Fig. 2 is the front view of a kind of pan-tilt motor torque tester of the present invention;

Fig. 3 is the top view of a kind of pan-tilt motor torque tester of the present invention;

Fig. 4 is a right side view of a pan-tilt motor torque tester of the present invention.

Wherein: 1. the first support plate; 2. the second support plate; 3. the first pressure sensor; 4. rocker arm; 5. the second pressure sensor; 6. column; 9. Fix the shaft plate.

detailed description

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

The specific embodiment of a kind of pan-tilt motor torque tester of the present invention as shown in Fig. 1-Fig. The motor seat 7 of the tested motor 8, the rocking arm 4 is vertically fixed on the output shaft of the tested motor 8, the first pressure sensor 3 and the second pressure sensor 5 are installed on the test bracket; the first pressure sensor 3 and the second pressure sensor The pressure sensing surfaces of the sensor 5 are arranged oppositely, and a swing gap is provided; the rocker arm 4 is located in the middle of the swing gap; the first pressure sensor 3 and the second pressure sensor 5 are respectively used to obtain that the rocker arm 4 touches the corresponding sensing surface The signal output terminals of the first pressure sensor 3 and the second pressure sensor 5 are connected to the signal input terminals of the computer, and the computer is used to calculate and display the actual torque of the tested motor 8.

First, the motor 8 to be tested is installed on the motor base 7, and the rocker arm 4 is pressed against the first pressure sensor 3 and the second pressure sensor 5 sequentially through the forward and reverse rotation of the output shaft. The first pressure sensor 3 and the second pressure sensor After the pressure sensing surface of the pressure sensor 5 senses the pressure, it sends a signal to the computer, and the computer calculates the actual torque of the tested motor 8 through trigonometric functions and torque formulas. This embodiment calculates the actual torque of the tested motor 8 by means of a high-precision mechanical structure and a high-precision pressure sensor through testing, to select a suitable size motor for the cloud platform, and have enough power to stabilize the platform; The actual torque of the tested motor 8 is very accurate, and can precisely match a suitable pan/tilt. This embodiment can make full use of the precise torque of the tested motor 8 to reduce unnecessary weight, save power consumption, and will not cause waste of resources; will not cause excessive torque, reduces the weight of the motor, and thus improves flight efficiency. In this embodiment, not only the torque of the tested motor 8 can be measured, but also the positive and negative torque balance of the tested motor 8 can be tested. This embodiment is simple in structure, easy to use, and can easily calculate the torque of the motor 8 to be tested.

Among them, the motor base 7 can be replaced and adapted to the tested motors 8 of different specifications, and has a wide range of applications.

Specifically, the test stand includes a first support plate 1 and a second support plate 2 arranged parallel to each other. The four corners of the first support plate 1 and the second support plate 2 are fixedly supported by columns 6, and the motor base 7 is connected to the first support plate by bolts. On a support plate 1, the first support plate 1 is provided with a motor through hole for passing through the tested motor 8, the rocker arm 4 is located between the first support plate 1 and the second support plate 2, the first pressure sensor 3 and The second pressure sensors 5 are sandwiched between the first support plate 1 and the second support plate 2; the first pressure sensor 3 and the second pressure sensor 5 are easy to install and firm, and the structure is stable.

Further, the rocker arm 4 is fixed on the output shaft of the tested motor 8 through the fixed shaft plate 9; that is, the rocker arm 4 and the fixed shaft plate 9 are integrated to facilitate the installation of the rocker arm 4 and to be driven by the output shaft of the tested motor 8 Rocking arm 4 swings.

It should be understood that the specific embodiments described above are only used to explain the present invention, not to limit the present invention. Obvious changes or variations derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (3)

1. a kind of cloud platform motor torque tester, it is characterized in that: comprise test support, rocking arm (4) and computer, described test support is fixed with the motor base (7) that is used to install tested motor (8), so The rocking arm (4) is vertically fixed on the output shaft of the tested motor (8), and the first pressure sensor (3) and the second pressure sensor (5) are installed on the test bracket; the first pressure sensor ( 3) The pressure sensing surface of the second pressure sensor (5) is oppositely arranged, and a swing gap is provided; the rocker arm (4) is located in the middle of the swing gap; the first pressure sensor (3) and the second pressure sensor (5) respectively used to obtain the pressure value of the rocking arm (4) touching the corresponding sensing surface, the signal output terminals of the first pressure sensor (3) and the second pressure sensor (5) are connected to the signal of the computer On the input side, the computer is used to calculate and display the actual torque of the motor (8) under test. 2. a kind of pan-tilt motor torque tester according to claim 1, is characterized in that: described test support comprises the first supporting plate (1) and the second supporting plate (2) that are arranged parallel to each other, and described first The four corners of a support plate (1) and the second support plate (2) are fixedly supported by columns (6), and the motor seat (7) is connected to the first support plate (1) by bolts, and the first support The plate (1) is provided with a motor through hole for passing the tested motor (8), the rocker arm (4) is located between the first support plate (1) and the second support plate (2), and the first A pressure sensor (3) and a second pressure sensor (5) are interposed between the first support plate (1) and the second support plate (2). 3. A kind of pan-tilt motor torque tester according to claim 1 or 2, characterized in that: the rocker arm (4) is fixed on the output shaft of the tested motor (8) through a fixed shaft plate (9) .