CN217769746U

CN217769746U - Three-phase brake direct-connected motor

Info

Publication number: CN217769746U
Application number: CN202222051241.1U
Authority: CN
Inventors: 林夏星
Original assignee: Taizhou Xiangxin Reducer Technology Co ltd
Current assignee: Taizhou Xiangxin Reducer Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-08
Anticipated expiration: 2032-08-04

Abstract

The utility model belongs to the technical field of the motor, especially, relate to a three-phase brake directly links motor, still include: a motor body; one end of the motor shaft is arranged in the motor body, and the other end of the motor shaft penetrates through the motor body and extends to the outer side; the brake disc is movably connected to the outer side of the motor body, a through hole is formed in the brake disc, and a motor shaft penetrates through the motor body and then passes through the through hole; the brake disc performs speed reduction braking on a section of the motor shaft passing through the through hole; the brake disc is externally connected to the outer side of the motor body, and the motor body is not required to be disassembled for installation and disassembly, so that the motor body is convenient to maintain.

Description

Three-phase brake direct-connected motor

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a three-phase brake directly links motor.

Background

The electric transmission is a working mode that the motor directly drives the equipment to complete the action through a transmission system, the electric transmission action is reliable and has fault-tolerant capability, although the electric power is increased compared with a hydraulic system, the heating value is small, the abrasion of parts is small, and therefore the reliability of the system is improved, and the internal contracting brake component of the motor plays a role in braking the motor after the motor is powered off.

Its band-type brake device of current motor is shown as china utility model patent publication number CN202021994682.3 motor band-type brake thrust unit usually, and its band-type brake subassembly sets up inside the motor, and in the routine maintenance of band-type brake device and motor, its dismantlement process need not only carry out the dismouting to the band-type brake device and still need carry out the dismouting to the motor, and is considerable inconvenience to maintainer, and we have designed a three-phase brake directly from this very much and have connected the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a three-phase brake directly links motor, reached the effect of convenient maintenance and repair.

In view of this, the utility model provides a three-phase brake directly links motor still includes:

a motor body;

one end of the motor shaft is arranged in the motor body, and the other end of the motor shaft penetrates through the motor body and extends to the outer side;

the brake disc is movably connected to the outer side of the motor body, a through hole is formed in the brake disc, and a motor shaft penetrates through the motor body and then passes through the through hole;

wherein, the brake disc decelerates and brakes the section of the motor shaft passing through the through hole.

In this technical scheme, the brake disc is external in the motor body outside, and the installation need not dismantle the motor body with dismantling from this the maintenance of being convenient for.

In the above technical solution, further, the brake disc includes:

the fixing disc is provided with a circular connecting bulge in the center, a hexagonal bulge is internally tangent to the circular connecting bulge, and first movable holes are formed in the wall surface of the hexagonal bulge at intervals;

the band-type brake assembly is connected with the first movable hole in a sliding manner;

the brake band-type brake assembly comprises a protective cover, a brake band-type brake assembly and a brake band-type brake assembly, wherein a circular connecting groove is formed in the protective cover, a hexagonal cavity is internally tangent to the circular connecting groove, and the circular connecting bulge is connected with the circular connecting groove in a threaded mode and then seals the brake band-type brake assembly in the hexagonal cavity;

wherein, the through-hole runs through hexagon arch and guard shield behind guard shield connection fixed disk.

In this technical scheme, on the first movable hole of band-type brake subassembly sliding connection, when guard shield and fixed disk were fixed together through circular connecting protrusion and circular spread groove threaded connection with the band-type brake subassembly seal in the hexagon cavity to play the effect of fixing and protecting to the band-type brake subassembly.

In the above technical solution, further, the band-type brake assembly includes:

the contracting brake piece comprises an arc-shaped plate, a connecting plate and an adsorption plate, the arc-shaped plate is arranged in the through hole, the connecting plate is connected with the first movable hole in a sliding mode, and the adsorption plate is arranged on the outer side of the hexagonal bulge;

the electromagnetic mechanism is arranged on the outer side of the hexagonal bulge corresponding to the contracting brake piece;

wherein, the electromagnetic mechanism controls the motor shaft of the contracting brake piece passing through the through hole.

In this technical scheme, after the motor body stop work, electromagnetic mechanism circular telegram produces the magnetic adsorption power to the adsorption plate, and then the adsorption plate is close to the hexagon arch under the magnetic attraction effect, and then drives the fly leaf and promote the arc, and the arc draws in until offseting with the motor shaft to the through-hole centre of a circle under the fly leaf effect, utilizes the frictional force that the arc produced after the arc contacts with the motor shaft surface to realize the braking action.

In the above technical solution, further, the electromagnetic mechanism includes:

the electromagnetic plate is fixedly connected to the wall surface of the hexagonal bulge corresponding to the first movable hole, and a second movable hole is formed in the electromagnetic plate corresponding to the first movable hole;

the resetting piece is fixedly connected with the electromagnetic plate;

wherein, the electromagnetic plate produces magnetic attraction and adsorbs the adsorption plate, and the piece that resets will adsorb the plate top to the one side of keeping away from the electromagnetic plate when the electromagnetic plate does not switch on.

In the technical scheme, the motor body stops working, the electromagnetic plate is electrified to generate magnetic attraction to adsorb the adsorption plate, and then the brake piece generates a braking effect on the motor shaft; the motor body works, and the electromagnetic plate has a power failure, and the piece that resets backs down opens the adsorption plate and makes the adsorption plate keep away from the electromagnetic plate and then makes the arc break away from the motor shaft.

In the above technical solution, further, the reset member includes:

the base plate is abutted against the wall surface of the hexagonal cavity;

the limiting column is arranged between the base plate and the electromagnetic plate and penetrates through the adsorption plate;

the reset spring is arranged on the limiting column between the adsorption plate and the electromagnetic plate;

wherein, reset spring will adsorb the board top and keep away from the one side of electromagnetic plate when the adsorption board is not atress.

In this technical scheme, after the electromagnetism board outage, reset spring will adsorb the board and push up to the backing plate position on the electromagnetism board after the outage.

In the above technical solution, further, the method further includes:

the fixing holes are arranged in a circumferential array along the circumferential edge of the fixing disc, and the fixing disc is connected with the motor body through bolts.

In this technical scheme, the fixed orifices circumferential array is seted up on the circumference border of fixed disk, and the fixed orifices is fixed to fixed effect.

In the above technical solution, further, the method further includes:

the arch is arranged on the arc-shaped plate.

In this technical scheme, protruding setting is on the arc, and the protruding roughness that has increased the arc makes the brake effectual.

The utility model has the advantages that:

1. the motor shaft after cutting off the power supply is braked fast through the brake disc that sets up external, and the brake disc of external need not dismantle motor body at the maintenance process simultaneously, for traditional motor that has brake mechanism, it maintains simple and conveniently, only need dismantle the trouble that can avoid dismantling the motor to the brake disc.

2. The contracting brake subassembly carries out the contracting brake effect through the cooperation between electromagnetic mechanism and the contracting brake spare to the motor shaft, and wherein electromagnetic mechanism circular telegram control contracting brake spare brakes the motor shaft after the motor body outage, and then when having avoided still high-speed rotation under the motor shaft not outage circumstances, the contracting brake subassembly is directly attached to carry out the bursting apart phenomenon that the action of rough bursting brake leads to on the motor shaft for the operation safety.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a schematic view of the fixing disc and the brake assembly of the present invention;

fig. 3 is a schematic view of a protective cover and a brake assembly according to the present invention;

fig. 4 is a perspective view of the brake disc of the present invention;

the labels in the figures are: 1-motor body, 2-motor shaft, 3-brake disc, 4-through hole, 5-fixed disc, 51-circular connecting protrusion, 52-hexagonal protrusion, 53-first movable hole, 6-internal contracting brake component, 61-internal contracting brake component, 611-arc plate, 612-connecting plate, 613-adsorption plate, 62-electromagnetic mechanism, 621-electromagnetic plate, 6211-second movable hole, 622-reset component, 6221-backing plate, 6222-spacing column, 6223-reset spring, 7-shield, 71-circular connecting groove, 72-hexagonal cavity, 8-fixed hole, 9-protrusion.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

Example 1:

this embodiment provides a three-phase brake directly links motor, still includes:

a motor body 1;

one end of the motor shaft 2 is arranged in the motor body 1, and the other end of the motor shaft 2 penetrates through the motor body 1 and extends to the outer side;

the brake disc 3 is movably connected to the outer side of the motor body 1, a through hole 4 is formed in the brake disc 3, and the motor shaft 2 penetrates through the motor body 1 and then passes through the through hole 4;

wherein, the brake disc 3 performs speed reduction braking on a section of the motor shaft 2 passing through the through hole 4.

In the embodiment, the three-phase brake direct-connection motor is composed of a motor body 1, a motor shaft 2 and a brake disc 3;

the motor body 1 comprises a stator and a rotor, wherein a motor shaft 2 belongs to an output end of the rotor extending to the outer side of the motor body 1;

3 fixed connection motor body 1 of brake disc, through-hole 4 has been seted up to central authorities on the brake disc 3, through-hole 4 when motor shaft 2 extends to the elevator body outside, brake disc 3 starts after 1 stop work of motor body, can continue 2 speed reduction brakes of pivoted motor shaft under the inertia effect fast, thereby play the effect of quick braking, and is further, brake disc 3 is external in the 1 outside of motor body, the installation with demolish and need not dismantle motor body 1 and be convenient for from this maintain.

Example 2:

the embodiment provides a three-phase brake direct connection motor, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

The brake disc 3 includes:

the fixing plate 5 is provided with a circular connecting bulge 51 in the center of the fixing plate 5, a hexagonal bulge 52 is inscribed on the circular connecting bulge 51, and first movable holes 53 are arranged on the wall surface of the hexagonal bulge 52 at intervals;

the internal contracting brake component 6 is connected with the first movable hole 53 in a sliding mode;

a circular connecting groove 71 is formed in the shield 7, a hexagonal cavity 72 is internally tangent to the circular connecting groove 71, and the circular connecting bulge 51 is in threaded connection with the circular connecting groove 71 to seal the band-type brake assembly 6 in the hexagonal cavity 72;

wherein, the through hole 4 penetrates the hexagonal protrusion 52 and the shield 7 after the shield 7 is connected with the fixed disk 5.

In the embodiment, it can be seen that the brake disc 3 is composed of a fixed disc 5, a band-type brake assembly 6 and a shield 7;

the fixed disc 5 and the shield 7 are made of high polymer materials through integral injection molding, and the structural strength is high;

a circular connecting bulge 51 is integrally formed at the central position of the fixed disk 5 in the injection molding process, a hexagonal bulge 52 is integrally formed on the circular connecting bulge 51, first movable holes 53 are formed on the side wall surface of the hexagonal bulge 52 at intervals, a circular connecting groove 71 is integrally formed on the shield 7, a hexagonal cavity 72 is integrally formed on the end surface of the inner side of the circular connecting groove 71, and a through hole 4 is integrally formed on the fixed disk 5 and the shield 7 in the injection molding process;

the band-type brake assembly 6 is slidably connected with the first movable hole 53, and the protective cover 7 and the fixed disk 5 are sealed in the hexagonal cavity 72 when being screwed and fixed together through the circular connecting protrusion 51 and the circular connecting groove 71, so that the band-type brake assembly 6 is fixed and protected.

Example 3:

the embodiment provides a three-phase brake direct-connection motor, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

The band-type brake assembly 6 includes:

the brake piece 61, the brake piece 61 includes an arc plate 611, a connecting plate 612 and an adsorption plate 613, the arc plate 611 is disposed in the through hole 4, the connecting plate 612 is slidably connected with the first movable hole 53, and the adsorption plate 613 is disposed outside the hexagonal protrusion 52;

the electromagnetic mechanism 62 is arranged on the outer side of the hexagonal boss 52 corresponding to the contracting brake piece 61;

wherein, the electromagnetic mechanism 62 controls the contracting brake piece 61 to contracting brake the motor shaft 2 passing through the through hole 4.

In this embodiment, the band-type brake assembly 6 is composed of a band-type brake member 61 and an electromagnetic mechanism 62, the band-type brake member 61 includes an arc plate 611, a connecting plate 612 and an adsorption plate 613, the arc plate 611 is disposed in the through hole 4, the adsorption plate 613 is disposed outside the hexagonal protrusion 52, the connecting plate 612 is slidably connected in the first movable hole 53, one end of the connecting plate extends into the through hole 4 to connect to the arc plate 611, the other end of the connecting plate extends outside the hexagonal through hole 4 to connect to the adsorption plate 613, the electromagnetic mechanism 62 is disposed on a wall surface outside the hexagonal protrusion 52 and generates a magnetic attraction effect on the adsorption plate 613, and then the adsorption plate 613 is controlled to move to drive the connecting plate 612 to push the arc plate 611 to perform a band-type brake function on the motor shaft 2, wherein the adsorption plate 613 is an iron plate;

the working principle is that after the motor body 1 stops working, the electromagnetic mechanism 62 is energized to generate magnetic attraction force on the adsorption plate 613, and then the adsorption plate 613 approaches to the hexagonal protrusion 52 under the magnetic attraction effect, and then the movable plate is driven to push the arc-shaped plate 611, the arc-shaped plate 611 is folded towards the center of the circle of the through hole 4 under the action of the movable plate until abutting against the motor shaft 2, and the braking effect is realized by using the friction force generated after the arc-shaped plate 611 contacts with the surface of the motor shaft 2.

Example 4:

The electromagnetic mechanism 62 includes:

the electromagnetic plate 621 is fixedly connected to the wall surface of the hexagonal protrusion 52 corresponding to the first movable hole 53, and the electromagnetic plate 621 is provided with a second movable hole 6211 corresponding to the first movable hole 53;

the resetting piece 622 is fixedly connected with the electromagnetic plate 621;

the electromagnetic plate 621 generates a magnetic attraction force to attract the attraction plate 613, and the reset member 622 pushes the attraction plate 613 to a side away from the electromagnetic plate 621 when the electromagnetic plate 621 is not powered on.

In this embodiment, it can be seen that the electromagnetic mechanism 62 includes an electromagnetic plate 621 and a reset piece 622, the electromagnetic plate 621 is fixed on the wall surface of the hexagonal protrusion 52 corresponding to the first movable hole 53, the electromagnetic plate 621 is provided with a second movable hole 6211 corresponding to the first movable hole 53 for facilitating the connection of the contracting brake piece 61, the reset piece 622 is arranged on the electromagnetic plate 621, and the reset piece 622 pushes the adsorption plate 613 to the end far away from the electromagnetic plate 621 under the condition that the electromagnetic plate is not electrified, so as to achieve the reset function;

the working principle is that the motor body 1 stops working, the electromagnetic plate 621 is electrified to generate magnetic attraction to adsorb the adsorption plate 613, and then the brake member 61 generates a braking action on the motor shaft 2; when the motor body 1 is operated, the electromagnetic plate 621 is powered off, the resetting member 622 pushes the absorbing plate 613 open and makes the absorbing plate 613 away from the electromagnetic plate 621, so that the arc-shaped plate 611 is separated from the motor shaft 2.

Example 5:

The restoring member 622 includes:

a shim plate 6221, the shim plate 6221 abutting against the wall surface of the hexagonal cavity 72;

a spacing column 6222, the spacing column 6222 is disposed between the backing plate 6221 and the electromagnetic plate 621 and penetrates the adsorption plate 613;

a return spring 6223, wherein the return spring 6223 is disposed on the spacing column 6222 between the adsorption plate 613 and the electromagnetic plate 621;

when the suction plate 613 is not biased, the return spring 6223 urges the suction plate 613 toward the side away from the electromagnetic plate 621.

In the embodiment, it can be seen that the restoring member 622 is composed of a cushion plate 6221, a spacing column 6222 and a restoring spring 6223;

a first threaded hole is formed in the backing plate 6221, a second threaded hole is formed in the electromagnetic plate 621 corresponding to the threaded hole, one end of the limiting column 6222 is in threaded connection with the first threaded hole, the other end of the limiting column 6222 is in threaded connection with the second threaded hole, the backing plate 6221 and the electromagnetic plate 621 are fixed together and penetrate through the adsorption plate 613, and a section of the limiting column 6222 between the adsorption plate 613 and the electromagnetic plate 621 is sleeved with a reset spring 6223;

the working principle is that after the electromagnetic plate 621 is powered off, the return spring 6223 pushes the absorbing plate 613 to the position of the backing plate 6221 from the electromagnetic plate 621 after the power off.

Example 6:

Fixing holes 8 are formed in the circumferential edge of the fixing disc 5 in an array mode, the fixing holes 8 are arranged in the circumferential direction, and the fixing disc 5 is connected with the motor body 1 through bolts.

In this embodiment, it can be seen that the fixing holes 8 are circumferentially arrayed on the circumferential edge of the fixing plate 5, and the fixing holes 8 are fixed to the fixing function.

Example 7:

The projection 9, the projection 9 is provided on the arc plate 611.

In this embodiment, it can be seen that the protrusion 9 is disposed on the arc-shaped plate 611, and the protrusion 9 increases the surface roughness of the arc-shaped plate 611, so that the braking effect is good.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. The utility model provides a three-phase brake directly links motor, characterized by still includes:

a motor body (1);

one end of the motor shaft (2) is arranged in the motor body (1), and the other end of the motor shaft (2) penetrates through the motor body (1) and extends to the outside;

the brake disc (3) is movably connected to the outer side of the motor body (1), a through hole (4) is formed in the brake disc (3), and the motor shaft (2) penetrates through the motor body (1) and then passes through the through hole (4);

the brake disc (3) performs speed reduction braking on a section of the motor shaft (2) passing through the through hole (4).

2. A three-phase brake direct connection motor according to claim 1, characterized in that the brake disc (3) comprises:

the fixing plate comprises a fixing plate (5), wherein a circular connecting bulge (51) is arranged at the center of the fixing plate (5), hexagonal bulges (52) are arranged on the circular connecting bulge (51), and first movable holes (53) are formed in the wall surface of each hexagonal bulge (52) at intervals;

the band-type brake component (6), the band-type brake component (6) is connected with the first movable hole (53) in a sliding mode;

the brake band-type brake assembly comprises a protective cover (7), wherein a circular connecting groove (71) is formed in the protective cover (7), a hexagonal cavity (72) is formed in the circular connecting groove (71), and the circular connecting bulge (51) is in threaded connection with the circular connecting groove (71) and then seals the brake band-type brake assembly (6) in the hexagonal cavity (72);

the through hole (4) penetrates through the hexagonal protrusion (52) and the protective cover (7) after the protective cover (7) is connected with the fixed disc (5).

3. The three-phase direct connection brake motor as claimed in claim 2, wherein the brake assembly (6) comprises:

the contracting brake piece (61), the contracting brake piece (61) comprises an arc-shaped plate (611), a connecting plate (612) and an adsorption plate (613), the arc-shaped plate (611) is arranged in the through hole (4), the connecting plate (612) is connected with the first movable hole (53) in a sliding mode, and the adsorption plate (613) is arranged on the outer side of the hexagonal protrusion (52);

the electromagnetic mechanism (62), the said electromagnetic mechanism (62) is set up in the hexagonal lobe (52) outside corresponding to contracting brake one (61);

the electromagnetic mechanism (62) controls the contracting brake of the contracting brake piece (61) to pass through the motor shaft (2) of the through hole (4).

4. A three-phase brake direct connection motor according to claim 3, characterized in that the electromagnetic mechanism (62) comprises:

the electromagnetic plate (621) is fixedly connected to the wall surface of the hexagonal protrusion (52) corresponding to the first movable hole (53), and the electromagnetic plate (621) is provided with a second movable hole (6211) corresponding to the first movable hole (53);

the resetting piece (622), the resetting piece (622) is fixedly connected with the electromagnetic plate (621);

the electromagnetic plate (621) generates magnetic attraction to adsorb the adsorption plate (613), and the reset piece (622) pushes the adsorption plate (613) to the side far away from the electromagnetic plate (621) when the electromagnetic plate (621) is not electrified.

5. The direct connection motor of claim 4, characterized in that the reset element (622) comprises:

the backing plate (6221), the said backing plate (6221) is leant on the wall of the hexagonal cavity (72);

the limiting column (6222), the said limiting column (6222) is set up between bolster (6221) and electromagnetic plate (621), and run through the adsorption plate (613);

the reset spring (6223), the said reset spring (6223) is set up in the spacing post (6222) between electromagnetic plate (621) and the adsorption plate (613);

wherein, the return spring (6223) pushes the adsorption plate (613) to the side far away from the electromagnetic plate (621) when the adsorption plate (613) is not stressed.

6. The three-phase brake direct connection motor according to claim 5, further comprising:

fixed orifices (8), fixed orifices (8) set up along fixed disk (5) circumferential edge reason circumference array, fixed disk (5) bolted connection motor body (1).

7. The three-phase brake direct connection motor according to claim 6, further comprising:

the protrusion (9), the protrusion (9) is arranged on the arc-shaped plate (611).