CN216981694U

CN216981694U - Comprehensive protection device for three-phase asynchronous motor

Info

Publication number: CN216981694U
Application number: CN202122403997.3U
Authority: CN
Inventors: 潘宇; 赵乐
Original assignee: Shenyang Electric Machinery Manufacturing Co ltd
Current assignee: Shenyang Electric Machinery Manufacturing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-15
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a comprehensive protection device for a three-phase asynchronous motor, which comprises a base, wherein a shell is fixedly connected to the outer wall of the top end of the base, a chute is formed in the outer wall of one side of the shell, the inner wall of the chute is connected with a mounting plate in a sliding manner, the three-phase asynchronous motor is mounted on the inner wall of the mounting plate, baffle plates are arranged on the outer walls of the two sides of the shell, a first circular hole is formed in the outer wall of the top end of each baffle plate, a first buffer rod is inserted into the inner wall of each first circular hole in a plugging manner, and a first spring is sleeved on the outer wall of each first buffer rod. The baffle arranged in the T shape is matched with the first buffer rod, the first spring, the second buffer rod and the second spring to buffer and absorb force, so that the abrasion of the motor is reduced, the main heating part is cooled, dust is not easy to enter, vibration generated by the motor and the impact of the first spring and the second spring can be protected by matching with the baffle, the service life of the motor is long, and the use efficiency of the protection device is improved.

Description

Comprehensive protection device for three-phase asynchronous motor

Technical Field

The utility model relates to the technical field of motors, in particular to a comprehensive protection device for a three-phase asynchronous motor.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil to generate a rotating magnetic field and acts on a rotor to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power sources, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the magnetic induction line direction. The working principle of the motor is that the magnetic field exerts force on current to enable the motor to rotate.

Three-phase asynchronous motor lacks protection device in the use, directly expose in the air in the installation use, it is malfunctioning to receive the influence of external force to damage easily, protection device simple structure on the existing market, dispel the heat to the motor is whole through the condenser pipe in the use, the heat dissipation is uneven and extravagant, can not cushion the dynamics that produces when striking and motor effect, lead to motor life to be short, the phenomenon that needs frequent maintenance takes place, protection device's availability factor has been reduced.

Disclosure of Invention

The present invention aims at providing a comprehensive protector for three-phase asynchronous motor to solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a comprehensive protection device for a three-phase asynchronous motor comprises a base, wherein a shell is fixedly connected to the outer wall of the top end of the base, a sliding groove is formed in the outer wall of one side of the shell, a mounting plate is slidably connected to the inner wall of the sliding groove, the three-phase asynchronous motor is mounted on the inner wall of the mounting plate, baffles are arranged on the outer walls of the two sides of the shell, a first circular hole is formed in the outer wall of the top end of each baffle, a first buffer rod is inserted into the inner wall of each circular hole, a first spring is sleeved on the outer wall of each first buffer rod, a second spring is sleeved on the outer wall of each buffer rod, a second circular hole is formed in the outer wall of the other side of each baffle, a second buffer rod is inserted into the inner wall of each circular hole, a second spring is sleeved on the outer wall of the top of the shell, a rectangular hole is formed in the inner wall of the rectangular hole, heat dissipation holes are formed in the outer walls of the two sides of the bottom of the shell, the radiating holes are connected with the sliding grooves and distributed in a rectangular array.

As a further improvement scheme of the technical scheme: the heat dissipation holes are obliquely arranged, and the first spring and the second spring are connected with the baffle.

As a further improvement scheme of the technical scheme: the baffle all is the setting of T type, one side outer wall of shell is provided with the slide rail, the inner wall sliding connection of slide rail has the open-close plate, the top outer wall of open-close plate is provided with the handle.

As a further improvement scheme of the technical scheme: the rectangular hole all is connected with the spout, the fan is located the spout directly over.

As a further improvement scheme of the technical scheme: the water tank is connected to the outer wall of the other side of the top of the shell through screws, and a water pump is installed on the outer wall of one side of the water tank.

As a further improvement scheme of the technical scheme: the water pump is characterized in that a water inlet pipe is inserted into the output end of the water pump in an inserted mode, a condensing pipe is sleeved on the outer wall of the bottom end of the water inlet pipe in a sleeved mode, and the condensing pipe is arranged in a spiral mode.

As a further improvement scheme of the technical scheme: the condenser pipe is adaptive to the size of the mounting plate, a return pipe is inserted into the output end of the condenser pipe, and the return pipe is connected with the water tank.

As a further improvement scheme of the technical scheme: the condenser pipe is matched with the position of an output shaft of the three-phase asynchronous motor, and the opening plate is matched with the size of the sliding groove.

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

1. the comprehensive protection device for the three-phase asynchronous motor is provided with a base, a shell, a fan, a heat dissipation plate, a baffle, a first buffer rod, a first spring, a second buffer rod and a second spring, wherein the base is installed with a designated position and then is pulled out of a mounting plate to reset the motor after being assembled, the fan at the top in the action process of the motor drives the heat generated by the motor to be discharged from heat dissipation holes at two sides of the shell, the heat dissipation holes are obliquely arranged, dust is not easy to enter, when the motor is in the action process or the shell is impacted, the baffle arranged in a T shape is matched with the first buffer rod, the first spring, the second buffer rod and the spring to buffer and absorb two pairs of forces, the abrasion of the motor is reduced, the main heating part is cooled, the dust is not easy to enter, the vibration generated by the motor and the first spring and the second spring can be matched with the baffle to protect the motor when being impacted, and the service life of the motor is long, the use efficiency of protection device has been improved.

2. This a be used for three-phase asynchronous motor integrated protection device, through being provided with water tank, water pump, condenser pipe and back flow, the water tank of shell top opposite side begins the effect at motor effect in-process water pump, takes cold water out and sends into in the condenser pipe, gets back to the water tank through the back flow after cooling off the department that generates heat of motor in, further improved the radiating effect of device, improved the practicality of device.

3. This be used for three-phase asynchronous motor integrated protection device, through being provided with mounting panel and open-close plate, the mounting panel is around removing, and open-close plate carries on spacingly to it through sliding from top to bottom, has reduced the operating procedure of installation, has improved the convenience of device.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic perspective view of the overall structure of a comprehensive protection device for a three-phase asynchronous motor according to the present invention;

fig. 2 is a schematic perspective view of a housing structure of a comprehensive protection device for a three-phase asynchronous motor according to the present invention;

Fig. 3 is a schematic perspective view of a baffle connection structure of a comprehensive protection device for a three-phase asynchronous motor according to the present invention;

fig. 4 is a schematic perspective view of a water tank connection structure of a comprehensive protection device for a three-phase asynchronous motor according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a base; 2. a housing; 3. heat dissipation holes; 4. a baffle plate; 5. mounting a plate; 6. opening and closing the board; 7. a first spring; 8. a water tank; 9. a return pipe; 10. a second spring; 11. a chute; 12. a fan; 13. a water pump; 14. a first buffer rod; 15. a second buffer rod; 16. a condenser tube.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in the embodiment of the utility model, a comprehensive protection device for a three-phase asynchronous motor comprises a base 1, a housing 2 is fixedly connected to the top outer wall of the base 1, a chute 11 is formed in one side outer wall of the housing 2, a mounting plate 5 is slidably connected to the inner wall of the chute 11, the three-phase asynchronous motor is mounted on the inner wall of the mounting plate 5, baffles 4 are arranged on the outer walls of the two sides of the housing 2, a first circular hole is formed in the top outer wall of each baffle 4, a first buffer rod 14 is inserted into the inner wall of each circular hole, a first spring 7 is sleeved on the outer wall of each first buffer rod 14, a second circular hole is formed in the other side outer wall of each baffle 4, a second buffer rod 15 is inserted into the inner wall of each circular hole, a second spring 10 is sleeved on the outer wall of each second buffer rod 15, a rectangular hole is formed in the top outer wall of the housing 2, a fan 12 is mounted on the inner wall of each rectangular hole, and heat dissipation holes 3 are formed in the outer walls of the two sides of the bottom of the housing 2, the heat dissipation holes 3 are all connected with the sliding grooves 11, and the heat dissipation holes 3 are distributed in a rectangular array.

Referring to fig. 1, the heat dissipation holes 3 are all disposed in an inclined manner, and the first spring 7 and the second spring 10 are both connected to the baffle 4.

Referring to fig. 1, the baffles 4 are all arranged in a T shape, the outer wall of one side of the housing 2 is provided with a slide rail, the inner wall of the slide rail is connected with an opening plate 6 in a sliding manner, and the outer wall of the top of the opening plate 6 is provided with a handle, so that the installation and the disassembly are convenient.

Referring to fig. 2, the rectangular holes are all connected to the chute 11, and the fan 12 is located right above the chute 11.

Referring to fig. 2, the water tank 8 is connected to the outer wall of the other side of the top of the housing 2 through screws, and the water pump 13 is installed on the outer wall of one side of the water tank 8.

Referring to fig. 4, a water inlet pipe is inserted into an output end of the water pump 13, a condenser pipe 16 is sleeved on an outer wall of a bottom end of the water inlet pipe, and the condenser pipe 16 is spirally disposed.

Referring to fig. 4, the size of the condenser tube 16 is matched with that of the mounting plate 5, the output end of the condenser tube 16 is inserted into the return tube 9, and the return tube 9 is connected with the water tank 8, so as to further improve the heat dissipation effect.

Referring to fig. 4, the condenser tube 16 is adapted to the position of the output shaft of the three-phase asynchronous motor, and the opening plate 6 is adapted to the size of the chute 11.

The working principle of the utility model is as follows: when the comprehensive protection device of the three-phase asynchronous motor needs to be used, after the base 1 is installed at a designated position, the mounting plate 5 is drawn out to reset the motor after the motor is assembled, the fan 12 at the top of the motor acts to drive the heat generated by the motor to be discharged from the heat dissipation holes 3 at two sides of the shell, the heat dissipation holes 3 are obliquely arranged, dust is not easy to enter, when the motor acts or the shell 2 is impacted, the baffle 4 which is arranged in a T shape is matched with the buffer rod I14, the spring I7, the buffer rod II 15 and the spring II 10 to buffer and absorb the force, the abrasion of the motor is reduced, the mounting plate 5 is limited by the opening and closing plate 6 which slides up and down before and after moving, the operation steps of installation are reduced, the water pump 13 at the other side of the top of the shell 2 acts in the motor acting process, cold water is drawn out and sent into the condensation pipe 16, the heating part of the motor is cooled and then returns to the water tank 8 through the return pipe 9, and the using process of the comprehensive protection device of the three-phase asynchronous motor is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. The comprehensive protection device for the three-phase asynchronous motor comprises a base (1) and is characterized in that a shell (2) is fixedly connected to the outer wall of the top end of the base (1), a sliding groove (11) is formed in the outer wall of one side of the shell (2), a mounting plate (5) is connected to the inner wall of the sliding groove (11) in a sliding mode, the three-phase asynchronous motor is mounted on the inner wall of the mounting plate (5), baffles (4) are arranged on the outer walls of the two sides of the shell (2), a first circular hole is formed in the outer wall of the top end of each baffle (4), a first buffer rod (14) is inserted into the inner wall of the first circular hole in a plugging mode, a first spring (7) is sleeved on the outer wall of the first buffer rod (14), a second circular hole is formed in the outer wall of the other side of each baffle (4), a second buffer rod (15) is inserted into the inner wall of the second circular hole in a plugging mode, a second spring (10) is sleeved on the outer wall of the second buffer rod (15), the fan is characterized in that a rectangular hole is formed in the outer wall of the top of the shell (2), a fan (12) is installed on the inner wall of the rectangular hole, heat dissipation holes (3) are formed in the outer walls of two sides of the bottom of the shell (2), the heat dissipation holes (3) are connected with the sliding grooves (11), and the heat dissipation holes (3) are distributed in a rectangular array.

2. The comprehensive protection device for the three-phase asynchronous motor according to claim 1, wherein the heat dissipation holes (3) are all arranged in an inclined manner, and the first spring (7) and the second spring (10) are both connected with the baffle (4).

3. The comprehensive protection device for the three-phase asynchronous motor according to claim 1, wherein the baffles (4) are arranged in a T shape, a slide rail is arranged on the outer wall of one side of the housing (2), an opening plate (6) is connected to the inner wall of the slide rail in a sliding manner, and a handle is arranged on the outer wall of the top of the opening plate (6).

4. The comprehensive protection device of the three-phase asynchronous motor according to claim 1, wherein the rectangular holes are connected with a chute (11), and the fan (12) is positioned right above the chute (11).

5. A comprehensive protection device for three-phase asynchronous motors according to claim 3, characterized in that the outer wall of the other side of the top of the housing (2) is connected with a water tank (8) through screws, and a water pump (13) is installed on the outer wall of one side of the water tank (8).

6. The comprehensive protection device for the three-phase asynchronous motor according to claim 5, wherein a water inlet pipe is inserted into an output end of the water pump (13), a condenser pipe (16) is sleeved on an outer wall of a bottom end of the water inlet pipe, and the condenser pipe (16) is arranged in a spiral manner.

7. A comprehensive protection device for a three-phase asynchronous motor according to claim 6, characterized in that the condenser tube (16) is adapted to the size of the mounting plate (5), a return tube (9) is inserted into the output end of the condenser tube (16), and the return tube (9) is connected to the water tank (8).

8. The comprehensive protection device for the three-phase asynchronous motor according to claim 7, characterized in that the condensation pipe (16) is adapted to the position of the output shaft of the three-phase asynchronous motor, and the opening plate (6) is adapted to the size of the chute (11).