CN215344140U

CN215344140U - Crankshaft heat dissipation type permanent magnet torque motor

Info

Publication number: CN215344140U
Application number: CN202121452754.2U
Authority: CN
Inventors: 叶楠; 严东华; 张圣; 刘正伟
Original assignee: Jiangsu Nan Sheng Electronic Polytron Technologies Inc
Current assignee: Jiangsu Nan Sheng Electronic Polytron Technologies Inc
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a crankshaft heat dissipation type permanent magnet torque motor, which comprises a motor body, wherein rotating shafts penetrating through two sides of the motor body are transversely arranged in the motor body through bearings, a first sleeve body is arranged in the motor body at the middle position of the rotating shafts, a rotor is arranged in the first sleeve body, the rotating shafts drive a second vertical rod to rotate, the top of the first vertical rod is hinged with a connecting rod, so that the first vertical rod moves up and down through the rotation of the second vertical rod, then the connecting rod pushes a piston to move up and down through the up-and-down movement of the first vertical rod, and gas entering the shell from a gas inlet is guided downwards, the gas can absorb the low temperature of a cold medium in a condensing pipe when reaching the condensing pipe, so that the stability of the gas is reduced, and the cooled gas can reach the interior of the motor body through holes to cool the motor body, the high temperature generated in the working process of the device is convenient to reduce, and the service life of the device is prolonged.

Description

Crankshaft heat dissipation type permanent magnet torque motor

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a crankshaft heat dissipation type permanent magnet torque motor.

Background

The permanent magnet torque motor is a low-speed DC servo motor, is usually used in the condition of locked rotor or low speed, and is characterized by large locked rotor torque, low no-load rotating speed, capability of directly driving load without any speed reducer and strong overload capacity. The permanent magnet torque motor can generate enough torque without damage in long-term locked rotor, is widely applied to high-precision transmission systems such as driving of various radar antennas, photoelectric tracking and the like and common instrument driving devices, belongs to one type of direct drive motors, can meet the use requirements of people, but still has certain problems, and has the following specific problems:

the existing permanent magnet torque motor has a simple structure and poor heat dissipation performance, and the service life of the device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crankshaft heat dissipation type permanent magnet torque motor to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bent axle heat dissipation type permanent magnetism torque motor, includes motor body, motor body's inside transversely installs the pivot that runs through the motor body both sides through the bearing, the motor body internally mounted of pivot intermediate position department has first set of body, and the internally mounted of first set of body has the rotor, the motor body internally mounted in the rotor outside has the second set of body, and the internally mounted of second set of body has the stator, the second montant is installed to one side of rotor, and the top of second montant articulates there is first montant, the casing is installed on motor body's top, and the inside bottom of casing installs the condenser pipe, the inside piston of transversely installing of casing of condenser pipe top, and the connecting rod that runs through the casing top is installed on the top of piston.

Preferably, the inside of rotor all is provided with the permanent magnet, and the number of permanent magnet is provided with four to all be provided with the magnetic bridge between the adjacent permanent magnet.

Based on the technical characteristics, the permanent magnets are arranged, and the magnetic bridges are arranged between the adjacent permanent magnets, so that the size of each magnetic bridge is reduced to increase the magnetic resistance, the magnetic leakage is reduced, the air gap flux density required by the motor can be provided, and the energy consumption of the device is reduced.

Preferably, through holes are formed between the two ends of the bottom end of the shell and the top end of the motor body.

Based on above-mentioned technical characteristics, the inside gas of casing of being convenient for gets into inside the motor body through the through-hole.

Preferably, air inlets are formed in the two sides of the shell at the bottom end of the piston.

Based on above-mentioned technical characteristics, be convenient for outside gas to get into inside the casing through the air inlet.

Preferably, the cross-sectional shape of connecting rod is the L type, the one end that the piston was kept away from to the connecting rod is articulated with the top of first montant.

Based on above-mentioned technical characteristics, be convenient for first montant drives the connecting rod and moves from top to bottom.

Preferably, the mounting seat is installed at the bottom end of the motor body, and the cross section of the mounting seat is in the shape of an isosceles triangle.

Based on the technical characteristics, the triangle has stability, and the stability of the device in the working process is conveniently improved.

Preferably, the front surface of the motor body is uniformly provided with heat dissipation holes, and the inner sides of the heat dissipation holes are provided with filter screens.

Based on above-mentioned technical characteristics, be convenient for prevent that external dust from getting into inside the motor body through the filter screen.

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

(1) the second vertical rod is driven to rotate through rotation of the rotating shaft, the top of the first vertical rod is hinged with the connecting rod, so that the first vertical rod moves up and down through rotation of the second vertical rod, then the connecting rod pushes the piston to move up and down through up-down movement of the first vertical rod, and gas entering the shell from the gas inlet is guided downwards, the gas reaches the condensing pipe and absorbs low temperature of cold medium in the condensing pipe, so that stability of the gas is reduced, the cooled gas can reach the interior of the motor body through the through hole, the motor body is cooled, high temperature generated in the working process of the device is convenient to reduce, and the service life of the device is prolonged;

(2) through setting up the permanent magnet to all be provided with the magnetic bridge between the adjacent permanent magnet, thereby reduce the size of magnetic bridge and increase the magnetic resistance, make the magnetic leakage reduce, can provide the required air gap flux density of motor, reduce the energy consumption of device.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic top view of the rotor of the present invention.

In the figure: 1. an air inlet; 2. a piston; 3. a condenser tube; 4. a housing; 5. a connecting rod; 6. a first vertical bar; 7. a second vertical bar; 8. a first sleeve body; 9. a second sleeve body; 10. a mounting seat; 11. a motor body; 12. a stator; 13. a rotor; 14. a rotating shaft; 15. a through hole; 16. filtering with a screen; 17. heat dissipation holes; 18. a permanent magnet; 19. a magnetic bridge.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: a crankshaft heat dissipation type permanent magnet torque motor comprises a motor body 11, a rotating shaft 14 penetrating through two sides of the motor body 11 is transversely installed inside the motor body 11 through a bearing, a first sleeve body 8 is installed inside the motor body 11 at the middle position of the rotating shaft 14, a rotor 13 is installed inside the first sleeve body 8, permanent magnets 18 are arranged inside the rotor 13, four permanent magnets 18 are arranged, a magnetic bridge 19 is arranged between every two adjacent permanent magnets 18, a second sleeve body 9 is installed inside the motor body 11 outside the rotor 13, a stator 12 is installed inside the second sleeve body 9, a second vertical rod 7 is installed on one side of the rotor 13, a first vertical rod 6 is hinged to the top end of the second vertical rod 7, a shell 4 is installed on the top end of the motor body 11, through holes 15 are formed between two ends of the bottom end of the shell 4 and the top end of the motor body 11, and condenser pipe 3 is installed to the inside bottom of casing 4, piston 2 is transversely installed to the inside 4 inside of casings above condenser pipe 3, and piston 2's top is installed and is run through connecting rod 5 on 4 tops of casings, connecting rod 5's cross sectional shape is the L type, connecting rod 5 keeps away from piston 2's one end and first montant 6's top articulated, air inlet 1 has all been seted up to 4 both sides of casing of piston 2 bottom, mount pad 10 is installed to motor body 11's bottom, and the cross sectional shape of mount pad 10 is isosceles triangle, louvre 17 has evenly been seted up in motor body 11's front, and filter screen 16 is installed to louvre 17's inboard.

The working principle is as follows: when in use, the power is switched on, cold media are injected into the condenser pipe 3, the second vertical rod 7 is driven to rotate through the rotation of the rotating shaft 14 during work, the top of the first vertical rod 6 is hinged with the connecting rod 5, so the first vertical rod 6 moves up and down through the rotation of the second vertical rod 7, then the connecting rod 5 pushes the piston 2 to move up and down through the up-and-down movement of the first vertical rod 6, and gas entering the air inlet 1 into the shell 4 is guided downwards, the gas reaches the condenser pipe 3 and absorbs the low temperature of the cold media in the condenser pipe 3 to reduce the stability of the gas, then the cooled gas reaches the inside of the motor body 11 through the through hole 15, the motor body 11 is cooled, the high temperature generated in the working process of the device is reduced, the service life of the device is prolonged, in addition, through the arrangement of the permanent magnets 18, and the magnetic bridges 19 are arranged between the adjacent permanent magnets 18, therefore, the size of the magnetic bridge 19 is reduced to increase the magnetic resistance, reduce the magnetic leakage, provide the air gap flux density required by the motor and reduce the energy consumption of the device. The above is the whole work content of the novel use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bent axle heat dissipation type permanent magnetism torque motor, includes motor body (11), its characterized in that: a rotating shaft (14) which penetrates through two sides of the motor body (11) is transversely arranged in the motor body (11) through a bearing, a first sleeve body (8) is arranged in the motor body (11) at the middle position of the rotating shaft (14), a rotor (13) is arranged in the first sleeve body (8), a second sleeve body (9) is arranged in the motor body (11) at the outer side of the rotor (13), a stator (12) is arranged in the second sleeve body (9), a second vertical rod (7) is arranged on one side of the rotor (13), the top end of the second vertical rod (7) is hinged with a first vertical rod (6), the top end of the motor body (11) is provided with a shell (4), and the bottom end in the shell (4) is provided with a condenser tube (3), the shell (4) above the condenser tube (3) is internally and transversely provided with a piston (2), and the top end of the piston (2) is provided with a connecting rod (5) which penetrates through the top end of the shell (4).

2. The crankshaft heat dissipation type permanent magnet torque motor according to claim 1, characterized in that: the permanent magnets (18) are arranged in the rotor (13), the number of the permanent magnets (18) is four, and a magnetic bridge (19) is arranged between every two adjacent permanent magnets (18).

3. The crankshaft heat dissipation type permanent magnet torque motor according to claim 1, characterized in that: through holes (15) are formed between the two ends of the bottom end of the shell (4) and the top end of the motor body (11).

4. The crankshaft heat dissipation type permanent magnet torque motor according to claim 3, characterized in that: and air inlets (1) are formed in two sides of the shell (4) at the bottom end of the piston (2).

5. The crankshaft heat dissipation type permanent magnet torque motor according to claim 1, characterized in that: the cross-sectional shape of connecting rod (5) is the L type, the one end that piston (2) were kept away from in connecting rod (5) is articulated with the top of first montant (6).

6. The crankshaft heat dissipation type permanent magnet torque motor according to claim 1, characterized in that: the motor is characterized in that a mounting seat (10) is mounted at the bottom end of the motor body (11), and the cross section of the mounting seat (10) is in the shape of an isosceles triangle.

7. The crankshaft heat dissipation type permanent magnet torque motor according to claim 1, characterized in that: heat dissipation holes (17) are uniformly formed in the front face of the motor body (11), and a filter screen (16) is installed on the inner side of each heat dissipation hole (17).