Permanent magnet direct drive torque motor with temperature monitoring function

Abstract

The utility model discloses a permanent magnet direct drive torque motor with temperature monitoring, which comprises a motor main body, a front end cover and a rear end cover, the front end cover is fixedly arranged on the front end face of the motor main body, the rear end cover is fixedly arranged on the rear end face of the motor main body, and a temperature monitoring sensor is fixedly arranged on the upper surface of the rear end cover. Positioning pins are embedded in the surfaces of the two sides of the front end cover, and a protection piece is movably embedded in the front end cover. According to the permanent-magnet direct-drive torque motor with the temperature monitoring function, after the torque motor is detached from an installation device, in order to prevent the output end of the torque motor from being damaged, the positioning pin can be detached firstly, then the protection piece is pushed forwards, and after the protection piece moves forwards to the maximum degree, the protection piece is pushed forwards to the maximum degree. The positioning pin penetrates through the insertion hole of the front end cover and is inserted into the other positioning hole of the protection part, so that the protection part can keep a state of shielding the output end of the torque motor, and the output end of the torque motor is prevented from being collided or hit by foreign objects.

Description

Technical Field

[0001] The utility model relates to the field of torque motors, in particular to a permanent magnet direct-drive torque motor with temperature monitoring. Background Art

[0002] The permanent magnet direct-drive torque motor is a low-speed DC servo motor, usually used in stalled or low-speed situations. It is characterized by large stalled torque and low no-load speed. It can directly drive the load without any reducer, has strong overload capacity, and can generate sufficient torque without causing damage during long-term stalling. It is widely used in high-precision transmission systems, such as various radar antenna drives, optoelectronic tracking and general instrument drive equipment. In order to prevent the motor from overheating due to long-term operation, a temperature monitoring sensor is installed on the motor, which can monitor the temperature of the motor in real time and dissipate the heat of the motor in time.

[0003] However, the current permanent magnet direct-drive torque motor has some shortcomings. When the motor is removed from the mounting equipment, the output end of the motor is always exposed, and the exposed motor output end is easily damaged, which is not conducive to the protection of the motor after removal. Utility Model Content

[0004] The main purpose of the utility model is to provide a permanent magnet direct-drive torque motor with temperature monitoring, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A permanent magnet direct-drive torque motor with temperature monitoring comprises a motor body, a front end cover and a rear end cover, wherein the front end face of the motor body is fixedly mounted with the front end cover, the rear end face of the motor body is fixedly mounted with the rear end cover, a temperature monitoring sensor is fixedly mounted on the upper surface of the rear end cover, positioning pins are embedded on both side surfaces of the front end cover, and a protective piece is movably embedded inside the front end cover.

[0007] Preferably, a socket is provided on the front surface of the front end cover near the edge, and sockets are provided on both side surfaces of the front end cover. The number of the sockets is four, and the four sockets are distributed in a matrix on the front surface of the front end cover.

[0008] Preferably, an arc-shaped embedding groove is provided on the front surface of the front end cover and between the four sockets, and a movable groove is provided on the front upper surface and the lower surface of the motor body.

[0009] Preferably, the protective member comprises a No. 1 baffle, a No. 2 baffle, a stop block and an arc-shaped connecting rod, the number of the No. 1 baffle and the No. 2 baffle are both two, and the No. 1 baffle and the No. 2 baffle are alternately distributed in a matrix shape.

[0010] Preferably, an arc-shaped connecting rod is fixedly installed between the first baffle plate and the second baffle plate and at the front end, positioning holes are opened on the surface of the second baffle plate near the front end and the rear end, and blocks are fixedly installed on the upper and lower surfaces of the rear end of the second baffle plate.

[0011] Preferably, the first baffle plate and the second baffle plate are embedded in the socket, and the rear end of the positioning pin passes through the socket and is embedded in the positioning hole.

[0012] Preferably, the arc-shaped embedding groove is connected to the socket, and the rear end of the first baffle is embedded in the movable groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by arranging the front end cover, the protective member and the positioning pin to cooperate with each other, when the torque motor is removed from the mounting device, in order to avoid damage to the output end of the torque motor, the positioning pin can be removed first, and then the protective member can be pushed forward. When the protective member is moved forward to the maximum extent, the positioning pin is inserted into another positioning hole of the protective member through the socket of the front end cover. In this way, the protective member can maintain a state of shielding the output end of the torque motor, thereby preventing foreign objects from colliding with or hitting the output end of the torque motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structure diagram of a permanent magnet direct-drive torque motor with temperature monitoring according to the utility model;

[0016] Figure 2 It is a partial disassembly schematic diagram of a permanent magnet direct-drive torque motor with temperature monitoring according to the utility model;

[0017] Figure 3 This is a structural diagram of a protective component of a permanent magnet direct-drive torque motor with temperature monitoring according to the utility model.

[0018] In the figure: 1. Motor body; 101. Moving slot; 2. Front cover; 201. Socket; 202. Arc-shaped embedded slot; 203. Socket; 3. Rear cover; 4. Temperature monitoring sensor; 5. Protective part; 501. No. 1 baffle; 502. No. 2 baffle; 503. Block; 504. Arc-shaped connecting rod; 505. Positioning hole; 6. Positioning pin. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-3A permanent magnet direct-drive torque motor with temperature monitoring is shown, comprising a motor body 1, a front end cover 2 and a rear end cover 3. The front end face of the motor body 1 is fixedly mounted with the front end cover 2, the rear end face of the motor body 1 is fixedly mounted with the rear end cover 3, a temperature monitoring sensor 4 is fixedly mounted on the upper surface of the rear end cover 3, positioning pins 6 are embedded on both side surfaces of the front end cover 2, and a protective member 5 is movably embedded inside the front end cover 2.

[0021] A socket 201 is provided on the front surface of the front end cover 2 and near the edge, and sockets 203 are provided on both side surfaces of the front end cover 2. There are four sockets 201, and the four sockets 201 are distributed in a matrix on the front surface of the front end cover 2; an arc-shaped embedding groove 202 is provided on the front surface of the front end cover 2 and located between the four sockets 201, and a movable groove 101 is provided on the upper and lower surfaces of the front end of the motor body 1, and the arc-shaped embedding groove 202 can hide the arc-shaped connecting rod 504 when not in use; the protective member 5 includes a No. 1 baffle 501, a No. 2 baffle 502, a stop block 503 and an arc-shaped connecting rod 504, and the number of the No. 1 baffle 501 and the No. 2 baffle 502 are both two, and the No. 1 baffle 501 and the No. 2 baffle 502 are distributed in a matrix. The types are alternately distributed; an arc-shaped connecting rod 504 is fixedly installed between the No. 1 baffle 501 and the No. 2 baffle 502 and at the front end, and positioning holes 505 are opened on the surface of the No. 2 baffle 502 and near the front end and the rear end, and blocks 503 are fixedly installed on the upper and lower surfaces of the rear end of the No. 2 baffle 502. The block 503 can prevent the No. 2 baffle 502 from detaching from the socket 201; the No. 1 baffle 501 and the No. 2 baffle 502 are embedded in the socket 201, and the rear end of the positioning pin 6 passes through the socket 203 and is embedded in the positioning hole 505. The cooperation between the positioning pin 6 and the positioning hole 505 can locate the position of the protective member 5; the arc-shaped embedded groove 202 is connected to the socket 201, and the rear end of the No. 1 baffle 501 is embedded in the movable groove 101.

[0022] It should be noted that the utility model is a permanent magnet direct-drive torque motor with temperature monitoring. When in use, after the torque motor is removed from the mounting equipment, in order to avoid damage to the output end of the torque motor, the positioning pin 6 can be removed first, and then the protective member 5 can be pushed forward. When the protective member 5 is moved forward to the maximum limit, the positioning pin 6 is inserted through the socket 203 of the front cover 2 into another positioning hole 505 of the protective member 5. In this way, the protective member 5 can maintain a state of shielding the output end of the torque motor to avoid foreign objects colliding with or hitting the output end of the torque motor. When the protective member 5 is not in use, the arc-shaped connecting rod 504 of the protective member 5 can be hidden and placed in the arc-shaped embedding groove 202 of the front cover 2, and the No. 1 baffle 501 of the protective member 5 is embedded in the movable groove 101.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A permanent magnet direct drive torque motor with temperature monitoring, characterized in that: The motor comprises a motor body (1), a front end cover (2) and a rear end cover (3); the front end face of the motor body (1) is fixedly mounted with the front end cover (2); the rear end face of the motor body (1) is fixedly mounted with the rear end cover (3); a temperature monitoring sensor (4) is fixedly mounted on the upper surface of the rear end cover (3); positioning pins (6) are embedded on both side surfaces of the front end cover (2); and a protective member (5) is movably embedded inside the front end cover (2).

2. A permanent magnet direct drive torque motor with temperature monitoring according to claim 1, characterized in that: A socket (201) is provided on the front surface of the front end cover (2) and close to the edge thereof, and sockets (203) are provided on both side surfaces of the front end cover (2). The number of the sockets (201) is four, and the four sockets (201) are distributed in a matrix shape on the front surface of the front end cover (2).

3. A permanent magnet direct drive torque motor with temperature monitoring according to claim 2, characterized in that: An arc-shaped embedding groove (202) is provided on the front surface of the front end cover (2) and between the four sockets (201), and a moving groove (101) is provided on the front upper surface and the lower surface of the motor body (1).

4. A permanent magnet direct drive torque motor with temperature monitoring according to claim 3, characterized in that: The protective member (5) comprises a first baffle plate (501), a second baffle plate (502), a stop block (503) and an arc-shaped connecting rod (504); the number of the first baffle plate (501) and the number of the second baffle plate (502) are both two, and the first baffle plate (501) and the second baffle plate (502) are alternately distributed in a matrix type.

5. A permanent magnet direct drive torque motor with temperature monitoring according to claim 4, characterized in that: An arc-shaped connecting rod (504) is fixedly installed between the first baffle plate (501) and the second baffle plate (502) and at the front end, positioning holes (505) are provided on the surface of the second baffle plate (502) near the front end and the rear end, and a stopper (503) is fixedly installed on the upper surface and the lower surface of the rear end of the second baffle plate (502).

6. A permanent magnet direct drive torque motor with temperature monitoring according to claim 5, characterized in that: The first baffle plate (501) and the second baffle plate (502) are embedded in the socket (201), and the rear end of the positioning pin (6) passes through the socket (203) and is embedded in the positioning hole (505).

7. A permanent magnet direct drive torque motor with temperature monitoring according to claim 6, characterized in that: The arc-shaped embedding groove (202) is connected to the socket (201), and the rear end of the first baffle (501) is embedded in the movable groove (101).

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