CN213602475U

CN213602475U - High-efficiency explosion-proof three-phase asynchronous motor

Info

Publication number: CN213602475U
Application number: CN202022432581.XU
Authority: CN
Inventors: 陈晓晴; 陈华
Original assignee: Taizhou Qinyu Motor Device Manufacture Co ltd
Current assignee: Taizhou Qinyu Motor Device Manufacture Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a high-efficiency explosion-proof three-phase asynchronous motor, which comprises a motor structure, wherein the bottom end of the motor structure is fixedly connected with a fixed structure with the effect of fixing the motor structure, the fixed structure comprises a machine body, the rear end of the motor structure is in threaded connection with a sealing device with the sealing effect, the fixed structure is fixedly connected inside a box body structure with the protection effect, and one side of the box body structure is fixedly connected with an induction device with the temperature sensing effect; the utility model discloses in, on original three-phase asynchronous machine's basis, add explosion-proof case in its outside, prevented that the likepowder from getting into inside the motor, play the effect of protection motor, also prevented that the motor accident from exploding, simultaneously at explosion-proof incasement internal design heat sink, make its three-phase asynchronous machine can work under normal atmospheric temperature, improved its life.

Description

High-efficiency explosion-proof three-phase asynchronous motor

Technical Field

The utility model relates to a motor field especially relates to an explosion-proof three-phase asynchronous motor of high efficiency.

Background

Compared with a single-phase asynchronous motor, the three-phase asynchronous motor has good running performance, can save various materials, and can be divided into a cage type and a winding type according to different rotor structures; the asynchronous motor of cage rotor has simple structure, reliable operation, light weight and low cost, and is widely used, and its main defect is that speed regulation is difficult, the rotor and stator of the wound three-phase asynchronous motor are also provided with three-phase windings and connected with external rheostat by slip ring and electric brush, and the starting performance of the motor and the rotating speed of the motor can be improved by adjusting the resistance of the rheostat.

There are the following problems:

for the existing three-phase asynchronous motor, the heat dissipation performance is poor, and the problem of over-high temperature rise is easy to happen, so that the safety performance of the three-phase asynchronous motor is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency explosion-proof three-phase asynchronous motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the temperature-sensing device comprises a motor structure, wherein a fixed structure for fixing the motor structure effect is fixedly connected to the bottom end of the motor structure, the fixed structure comprises a machine body, a sealing device for sealing the motor structure is connected to the rear end of the motor structure through threads, the fixed structure is fixedly connected to the inside of a box body structure for protecting the motor structure, and one side of the box body structure is fixedly connected to an induction device for sensing the temperature.

Preferably, the motor structure includes the fuselage, the front end of fuselage can be dismantled and connect the outer lane that is annular protecgulum at the shape, the rear end threaded connection of fuselage is the one end of circular shape back lid at the shape, the front end cup joints the one end at the pivot, the upper end fixed connection of fuselage plays through the motor structure and converts electrical energy into mechanical energy to the lower extreme of wiring end, provides power, produces the effect of torque, sets up fuselage, protecgulum, the inner structure of its three-phase asynchronous motor of back lid protection, comes transmission torque through the pivot, connects outside three-phase electricity through wiring end, transmits electric energy and gives three-phase asynchronous motor.

Preferably, fixed knot constructs including the fixed plate, the shape is run through for the bottom of the fixed plate of L shape and is provided with first bolt, the quantity of fixed plate has four groups, the quantity of first bolt has eight groups, the bottom fixed connection of fuselage is in the upper end of gasket, plays fixed three-phase asynchronous motor's effect through fixed knot structure, and wherein fixed plate, first bolt are used for fixing, and the gasket plays the shock attenuation effect.

Preferably, the sealing device comprises a sealing plate, the sealing plate is fixedly connected to a cylindrical surface of a cylindrical machine body, a sliding groove is arranged at the rear end of the machine body, an inner annular groove is formed at the rear end of the machine body, the rear end of the machine body is fixedly connected to the side surface of a sealing ring, the other side surface of the sealing ring is fixedly connected to the left end of a rear cover, a first threaded hole penetrates through the arc-shaped surface of the rear cover, the cylindrical surface of the rear cover is fixedly connected to the bottom end of a sliding block, a second threaded hole is formed in the annular surface of the rear end of the machine body, the inner thread of the first threaded hole is connected to the outer side of a second bolt, the second bolt penetrates through the first threaded hole and is fixedly connected to the inside of the machine body, three groups of the sliding block, the first threaded hole, the sliding groove, the second threaded hole and the second bolt, the sealing plate and the sealing ring play a role in sealing, and the sliding block, the sliding groove and the inner annular groove play a role in rotationally clamping the rear cover. The first threaded hole, the second bolt and the second threaded hole play a role in fixing the rear cover.

Preferably, induction system includes temperature sensor, temperature sensor's bottom fixed connection is in the one end of heat-conducting plate, one side fixed connection of temperature sensor is in the one end of walking the spool, the other end fixed connection of walking the spool is in the one end of solenoid valve, the quantity of solenoid valve has two sets ofly, plays the effect of detecting inside temperature through induction system to control solenoid valve realizes the effect to its oil drain and oil pumping, and temperature sensor responds to inside temperature, and the heat-conducting plate plays the transmission heat and gives temperature sensor, walks the spool and plays the effect of transmission electric energy, and the solenoid valve plays the effect of control oil feed and oil discharge.

Preferably, the box structure includes the box, the upper end sealing connection of box has the end cover, the upper surface both sides of end cover rotate the upper end of connection at the carousel, the upper end fixed connection of carousel is in the bottom of end cover, the lower extreme fixed connection of end cover is in the upper end of connecting rod, the lower extreme fixed connection of connecting rod is in the one end of stopper, the inlet port has been seted up to one side of box, the oil outlet has been seted up to one side of box, comes the effect of playing the protection to three-phase asynchronous motor through the box structure, and the box is used for preventing dust, explosion-proof, protects its inside three-phase asynchronous motor, and its carousel, connecting rod, stopper are used for.

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

on original three-phase asynchronous machine's basis, at its outside explosion-proof case that has added, prevented that the likepowder from getting into inside the motor, playing the effect of protection motor, also prevented that the motor accident from exploding, simultaneously at explosion-proof incasement internal design heat sink, make its three-phase asynchronous machine can work at normal atmospheric temperature, improved its life.

Drawings

Fig. 1 is a diagram of structural labels of a high-efficiency explosion-proof three-phase asynchronous motor provided by the utility model;

fig. 2 is a cross-sectional view of a high-efficiency explosion-proof three-phase asynchronous motor according to the present invention;

fig. 3 is a connection explosion diagram of the rear cover of the high-efficiency explosion-proof three-phase asynchronous motor provided by the utility model;

fig. 4 is a partial enlarged effect diagram of the area a of the high-efficiency explosion-proof three-phase asynchronous motor according to the present invention.

Illustration of the drawings:

1. a motor structure; 2. a fixed structure; 3. a sealing device; 4. an induction device; 5. a box structure; 11. a body; 12. a rotating shaft; 13. a terminal; 14. a front cover; 15. a rear cover; 21. a fixing plate; 22. A first bolt; 23. a gasket; 31. a sealing plate; 32. a seal ring; 33. a chute; 34. an inner ring groove; 35. a slider; 36. a first threaded hole; 37. a second bolt; 38. a second threaded hole; 41. a temperature sensor; 42. a heat conducting plate; 43. a wiring pipe; 44. an electromagnetic valve; 51. a box body; 52. an end cap; 53. An oil inlet hole; 54. an oil outlet hole; 55. a turntable; 56. a connecting rod; 57. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an explosion-proof three-phase asynchronous motor of high efficiency which characterized in that: including motor structure 1, motor structure 1's bottom fixedly connected with plays fixed knot structure 2 of fixed motor structure 1 effect, fixed knot structure 2 includes fuselage 11, motor structure 1's rear end threaded connection has the sealing device 3 that plays sealed effect, 2 fixed knot of fixed knot construct 2 fixed connection in the inside of the box structure 5 that plays the protection effect, one side fixed connection of box structure 5 is at the induction system 4 that plays the temperature sensing effect.

The motor structure 1 comprises a machine body 11, wherein the front end of the machine body 11 is detachably connected to the outer ring of a front cover 14 in an annular shape, the rear end of the machine body 11 is in threaded connection with one end of a rear cover 15 in a circular shape, the front end of the machine body 11 is sleeved at one end of a rotating shaft 12, and the upper end of the machine body 11 is fixedly connected to the lower end of a wiring end 13; the fixing structure 2 comprises a fixing plate 21, first bolts 22 penetrate through the bottom end of the L-shaped fixing plate 21, the number of the fixing plates 21 is four, the number of the first bolts 22 is eight, and the bottom end of the machine body 11 is fixedly connected to the upper end of a gasket 23; the sealing device 3 comprises a sealing plate 31, the sealing plate 31 is fixedly connected with the cylindrical surface of the cylindrical body 11, the rear end of the machine body 11 is provided with a sliding chute 33, the rear end of the machine body 11 is provided with an inner annular chute 34, the rear end of the body 11 is fixedly connected to the side surface of the sealing ring 32, the other side surface of the sealing ring 32 is fixedly connected to the left end of the rear cover 15, the arc surface of the back cover 15 is provided with a first threaded hole 36 in a penetrating way, the cylindrical surface of the back cover 15 is fixedly connected with the bottom end of the sliding block 35, a second threaded hole 38 is formed in the circular ring surface at the rear end of the machine body 11, the inner thread of the first threaded hole 36 is connected to the outer side of the second bolt 37, the second bolt 37 is fixedly connected to the inside of the body 11 through the first threaded hole 36, and three groups of the sliding block 35, the first threaded hole 36, the sliding chute 33, the second threaded hole 38 and the second bolt 37 are provided; the sensing device 4 comprises a temperature sensor 41, the bottom end of the temperature sensor 41 is fixedly connected to one end of a heat conducting plate 42, one side of the temperature sensor 41 is fixedly connected to one end of a wiring pipe 43, the other end of the wiring pipe 43 is fixedly connected to one end of an electromagnetic valve 44, and the number of the electromagnetic valves 44 is two; the box structure 5 comprises a box body 51, an end cover 52 is hermetically connected to the upper end of the box body 51, the two sides of the upper surface of the end cover 52 are rotatably connected to the upper end of a rotary disc 55, the upper end of the rotary disc 55 is fixedly connected to the bottom end of the end cover 52, the lower end of the end cover 52 is fixedly connected to the upper end of a connecting rod 56, the lower end of the connecting rod 56 is fixedly connected to one end of a limiting block 57, an oil inlet 53 is formed in one side of the box body 51, and an oil outlet 54 is formed in one side of.

Specifically, the method comprises the following steps: each of the connection structures with respect to the rear end of the case is provided with a sealing structure, functioning to allow the rear end partitioned by the sealing plate 31 to serve as a closed space.

Specifically, the method comprises the following steps: the box body 51 is made of cold-rolled steel plate, has certain strength and hardness, and is used for explosion prevention.

The working principle is as follows: a box body 51 is arranged outside a three-phase asynchronous motor to prevent powder outside the three-phase asynchronous motor from entering the three-phase asynchronous motor to generate internal blockage and temperature rise and simultaneously prevent the explosion of the three-phase asynchronous motor, a sealed space is formed inside a motor structure 1 through a rotary disc 55, a connecting rod 56 and a limiting block 57, the rotary disc 55 is rotated to be opened, an end cover 52 is taken up, an explosion-proof box is opened, external three-phase power is connected through a wiring terminal 13 to supply power to the three-phase asynchronous motor to start rotation, after the three-phase asynchronous motor rotates for a long time, the temperature of the three-phase asynchronous motor rises, the temperature is transmitted to a temperature sensor 41 outside the box body 51 through a heat conduction plate 42, after the temperature reaches a set temperature, the electromagnetic valve 44 at the upper end is driven to open an oil inlet hole 53, oil enters the box body 51 to start cooling, and after the temperature of the three-phase, the electromagnetic valve 44 at the upper end is driven to close the oil inlet 53, the electromagnetic valve 44 at the lower end is driven to open the oil outlet 54, oil flows return to the oil tank, and the temperature is reduced, so that the use safety of the three-phase asynchronous motor is improved.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides an explosion-proof three-phase asynchronous motor of high efficiency which characterized in that: including motor structure (1), the bottom fixedly connected with of motor structure (1) plays fixed knot structure (2) of fixed motor structure (1) effect, fixed knot structure (2) include fuselage (11), the rear end threaded connection of motor structure (1) has sealing device (3) that play sealed effect, fixed knot structure (2) fixed connection is in the inside of box structure (5) that play the protection effect, one side fixed connection of box structure (5) is in induction system (4) that play the temperature sensing effect.

2. A high efficiency explosion-proof three-phase asynchronous motor as defined in claim 1, wherein: motor structure (1) includes fuselage (11), the front end of fuselage (11) can be dismantled and connect the outer lane that is annular protecgulum (14) at the shape, the rear end threaded connection of fuselage (11) is in the one end of shape for circular shape back lid (15), the front end cup joint of fuselage (11) is in the one end of pivot (12), the upper end fixed connection of fuselage (11) is at the lower extreme of wiring end (13).

3. A high efficiency explosion-proof three-phase asynchronous motor as defined in claim 1, wherein: fixed knot constructs (2) including fixed plate (21), the bottom of shape for L shape fixed plate (21) is run through and is provided with first bolt (22), the quantity of fixed plate (21) has four groups, the quantity of first bolt (22) has eight groups, the bottom fixed connection of fuselage (11) is in the upper end of gasket (23).

4. A high efficiency explosion-proof three-phase asynchronous motor as defined in claim 1, wherein: the sealing device (3) comprises a sealing plate (31), the sealing plate (31) is fixedly connected to a cylindrical surface of a machine body (11) which is cylindrical in shape, a sliding groove (33) is formed in the rear end of the machine body (11), an inner annular groove (34) is formed in the rear end of the machine body (11), the rear end of the machine body (11) is fixedly connected to the side surface of a sealing ring (32), the other side surface of the sealing ring (32) is fixedly connected to the left end of a rear cover (15), a first threaded hole (36) is formed in the arc-shaped surface of the rear cover (15) in a penetrating mode, the cylindrical surface of the rear cover (15) is fixedly connected to the bottom end of a sliding block (35), a second threaded hole (38) is formed in the annular surface of the rear end of the machine body (11), the inner thread of the first threaded hole (36) is connected to the outer side of the second bolt (37), and the first threaded hole (36) of the, the number of the sliding blocks (35), the first threaded holes (36), the sliding grooves (33), the second threaded holes (38) and the second bolts (37) is three.

5. A high efficiency explosion-proof three-phase asynchronous motor as defined in claim 1, wherein: induction system (4) includes temperature sensor (41), the bottom fixed connection of temperature sensor (41) is in the one end of heat-conducting plate (42), one side fixed connection of temperature sensor (41) is in the one end of walking spool (43), the other end fixed connection of walking spool (43) is in the one end of solenoid valve (44), the quantity of solenoid valve (44) has two sets ofly.

6. A high efficiency explosion-proof three-phase asynchronous motor as defined in claim 1, wherein: the box structure (5) comprises a box body (51), the upper end of the box body (51) is hermetically connected with an end cover (52), the two sides of the upper surface of the end cover (52) are rotated to be connected with the upper end of a rotary disc (55), the upper end of the rotary disc (55) is fixedly connected with the bottom end of the end cover (52), the lower end of the end cover (52) is fixedly connected with the upper end of a connecting rod (56), the lower end of the connecting rod (56) is fixedly connected with one end of a limiting block (57), an oil inlet hole (53) is formed in one side of the box body (51), and an oil outlet hole (54) is formed in one side of the.