CN114123641A

CN114123641A - Motor for elevator with braking protection

Info

Publication number: CN114123641A
Application number: CN202111427036.4A
Authority: CN
Inventors: 李申; 范小斌; 毛剑; 孟冬根
Original assignee: Jiangsu Changsha New Energy Technology Co ltd
Current assignee: Jiangsu Changsha New Energy Technology Co ltd
Priority date: 2021-11-28
Filing date: 2021-11-28
Publication date: 2022-03-01

Abstract

The invention discloses an elevator motor with brake protection, which comprises a motor main body, a fixing ring, a rotating shaft and a brake disc, wherein the fixing ring is installed on the back surface of the motor main body, and the rotating shaft is installed on the front surface of the motor main body; a brake disc is arranged on the outer surface of the rotating shaft; the front and the back of brake disc all are provided with the recess, the brake disc openly is provided with eight screw thread grooves that the equidistance was arranged, and is two sets of the friction ring is all installed to the inner wall of recess, and the outer wall of two sets of friction rings all is provided with the gomphosis groove that four groups of equidistance were arranged, the mounting is installed to the inner wall in gomphosis groove, the surface of friction ring evenly is provided with the logical groove that the multiunit is the annular and arranges. The brake disc and the friction ring are assembled and disassembled so as to replace the friction ring which is seriously worn, the equipment has a quick braking function, the safety of the equipment used in the elevator is improved, the motor dissipates heat through wind power to reduce heat, and the blades are convenient to disassemble and clean.

Description

Motor for elevator with braking protection

Technical Field

The invention relates to the technical field of motors, in particular to a motor with brake protection for an elevator.

Background

An elevator is a transport device for transporting pedestrians or goods vertically, in which an electric motor is used to power the elevator operation, and the electric motor is equipped with corresponding brake protection functional components to increase the rapidity of stopping the output shaft of the motor and then increase the safety of the elevator operation.

The existing motor has the following defects:

1. patent document CN107872116A discloses a brake-equipped motor "including a motor housing accommodating a motor unit and an electromagnetic brake, a rotating shaft that rotates integrally with a rotor of the motor unit, and an encoder that detects rotation of the rotating shaft. The motor housing includes an output-opposite-side end wall portion that is opposite to the electromagnetic brake from the output-opposite side. The encoder includes: a magnet mounted on an end portion of the rotating shaft opposite to the output side; an encoder body including a magnetic sensor; and an encoder housing that covers the encoder main body. The encoder case partitions a housing space of the encoder main body between side end wall portions opposite to the output. An elastic sealing member is interposed between the output-side opposite end wall portion and the encoder case to seal the housing space. However, the brake in the equipment can not be detached and replaced, and is seriously damaged after being used for a long time, so that the later braking effect can be influenced;

2. the patent document CN214255994U discloses a motor, which comprises a motor main body, a mounting seat, a fixed box, a threaded rod, a rotating block, a fixed block, a transverse cylinder, a limiting groove, a fixed strip, a base, a mounting hole, a cooling block, an air guide hole, a connecting bolt, an air inlet, a screw cap and a fastening bolt, wherein the bottom of the motor main body is provided with the mounting seat, the mounting seat is inserted in the fixed box, the inner walls of the two sides of the fixed box are respectively provided with the limiting groove, the fixed block is inserted in the limiting groove, one side of the fixed block is provided with the transverse cylinder, the two sides of the fixed box are connected with the threaded rod through the threads, one end of the threaded rod is fixedly provided with the rotating block, the motor can be fixedly mounted, can damp, is stable in whole, the screw cap can be opened, low-temperature air is introduced from the air inlet, and can cool the bottom of the motor main body, the heat that produces in the motor main part can be taken away fast, the heat dissipation of certain degree can be carried out, the life of extension engine main part. However, the device lacks the function of braking protection of the motor, when the motor stops running, the shaft arranged at the output end cannot be quickly stopped, the rotation speed can be slowly reduced until the motor completely stops, and a part in contact with the rotating shaft can rotate along with the rotating shaft at the stage and cannot be quickly stopped;

3. patent document CN112134400A discloses a motor, "including motor body, the ring flange of being connected with motor body, the last output shaft that is equipped with of motor body, the output shaft wears to establish in the inner ring of ring flange, set up the mounting hole that a plurality of confession bolts passed on the ring flange, still set up two screw holes that run through the ring flange on the ring flange, two screw hole symmetries set up the both sides at the ring flange, equal threaded connection has the ejector pin in the screw hole. When the speed reducer is installed, the end part of the ejector rod, which is far away from the motor body, is contracted in the threaded hole, so that the joint of the speed reducer and the flange plate is not influenced; and when needs separation ring flange and speed reducer, the screw hole is all worn out to the tip that motor body was kept away from to two ejector pins, and the ejector pin hangs down on the speed reducer and pushes away the speed reducer from the ring flange, appears the space between ring flange and the speed reducer after, just can conveniently separate speed reducer and ring flange more. However, when the heat in the generator is high, the generator cannot be evacuated in time, and the safety of internal components is affected;

4. patent document CN204900356U discloses a motor, "including the motor body, the output shaft tip of motor body is equipped with the impeller of taking the blade, the motor body can be dismantled in the homonymy that sets up the impeller and be connected with the impeller casing, the fitting surface of motor body and impeller casing is sealed mutually, the impeller casing includes the top cap and the cover body, through screw reciprocal anchorage between the top cap and the cover body, the air intake has been seted up on the cover body, air intake department is equipped with the filter screen, be equipped with out the tuber pipe on the top cap. When the impeller rotates, outside air enters the impeller cover from the air inlet of the impeller cover, the air firstly passes through the filter screen at the moment, dust in the air is removed under the action of the filter screen, the dust amount attached to the blades is greatly reduced, and the ventilation efficiency of the motor is favorably maintained. Therefore, the motor is suitable for being used in an environment with much dust. And the top cover and the cover body are fixed through screws, so that the top cover can be conveniently and timely detached, and the cover body is cleaned. However, the impeller and the output shaft in the device are not detachable, so that the impeller is inconvenient to detach and clean dust accumulated on the surface of the impeller.

Disclosure of Invention

The present invention aims to solve the problems of the prior art by providing an elevator motor with brake protection.

In order to achieve the purpose, the invention provides the following technical scheme: the motor with brake protection for the elevator comprises a motor main body, a fixing ring, a rotating shaft and a brake disc, wherein the fixing ring is installed on the back surface of the motor main body, and the rotating shaft is installed on the front surface of the motor main body;

a brake disc is arranged on the outer surface of the rotating shaft;

the front and the back of brake disc all are provided with the recess, the brake disc openly is provided with the thread groove that eight equidistance were arranged, and the back of thread groove runs through the inside of two sets of recesses, and is two sets of friction ring is all installed to the inner wall of recess, and the outer wall of two sets of friction rings all is provided with the gomphosis groove that four equidistance were arranged, the mounting is installed to the inner wall in gomphosis groove, and the outer wall of mounting and the inner wall laminating of thread groove, the surface of friction ring evenly is provided with the logical groove that the multiunit is the annular and arranges.

Preferably, the front of brake disc is installed the first braking plate that two sets of mirror images were arranged, the back-mounted of brake disc has the second braking plate that two sets of mirror images were arranged, the multiunit is all installed in the back of first braking plate and the front of second braking plate and is the block post that the annular was arranged, and the inside that gets into logical groove is extended to the one end of block post, electric putter one is installed in the front of first braking plate, and the back of electric putter one runs through the inside of second braking plate, the back-mounted of second braking plate has electric putter two, and the front of electric putter two runs through the inside of first braking plate, electric connection between electric putter one and electric putter two and the motor main part.

Preferably, the combined composite plates are installed at the bottoms of the first brake plates, the tops of the two combined composite plates are attached to the bottoms of the second brake plates respectively, a moving groove is formed in the top of each combined composite plate, two sets of embedded blocks which are arranged in the front and back are installed on the inner wall of the moving groove, and the tops of the two sets of embedded blocks are attached to the bottoms of the first brake plates and the bottoms of the second brake plates respectively.

Preferably, the inner wall of the fixing ring is provided with a threaded ring in a threaded embedding manner, the outer wall of the threaded ring is provided with a lantern ring, the back surface of the lantern ring is provided with a ventilation plate, the back surface of the ventilation plate is provided with a driving motor, the front surface of the driving motor extends into the lantern ring, the output end of the driving motor is provided with a shaft lever, the outer surface of the shaft lever is provided with four groups of clamping grooves, the outer surface of the shaft lever is provided with a comprehensive snare, and the outer surface of the comprehensive snare is uniformly provided with a plurality of groups of fan blades which are arranged at equal intervals.

Preferably, the front surface of the shaft lever is provided with a threaded column, the outer surface of the threaded column is provided with an embedded cylinder, the outer walls of two sides of the embedded cylinder are provided with shifting blocks, and the back surface of each shifting block is attached to the front surface of the comprehensive ring sleeve.

Preferably, two sets of the stand that arranges around three groups is all installed to the bottom of combined sheet, the rectangular board is installed to the bottom of stand, the base is installed to the bottom of rectangular board.

Preferably, a protective frame is installed on the back face of the motor main body, and multiple groups of air-permeable grooves are uniformly arranged on the outer wall of the protective frame.

Preferably, the junction box is installed at the top of the motor main body, the baffle is installed on the front of the motor main body, two groups of symmetrically arranged supporting seats are installed at the bottom of the motor main body, and the bottoms of the two groups of supporting seats are attached to the top of the base.

Preferably, the operation steps of the elevator motor are as follows:

s1, when the device is assembled, a worker aligns the whole body formed by combining a plurality of sets of fan blades and a comprehensive ring sleeve to the position of a shaft lever of a driving motor, then the embedded strip arranged on the inner wall of the comprehensive ring sleeve is embedded with a clamping groove arranged on the outer surface of the shaft lever, then the whole body formed by the embedded cylinder and two sets of shifting blocks is aligned to a threaded column, then a pushing force facing the position of the threaded column is applied to the whole body, then a rotating force in a set direction is applied to the two sets of shifting blocks, then the rotating force is transmitted to the position of the embedded cylinder, the embedded cylinder is enabled to be embedded with the threaded column through threads, and the whole body formed by combining the plurality of sets of fan blades and the comprehensive ring sleeve is detachably arranged on the outer surface of the shaft lever;

s2, aligning the whole body formed by the combination of the threaded ring, the lantern ring and the ventilation plate with the position of the fixed ring, and then applying a rotating force in a set direction to the whole body to enable the whole body to be combined with the motor main body through the fixed ring;

s3, respectively embedding the two groups of friction rings into the two groups of grooves by workers to enable the embedding grooves arranged on the friction rings to be aligned with the corresponding thread grooves on the brake disc, then sequentially aligning the multiple groups of fixing pieces with the embedding grooves and applying a rotating force in a set direction to the fixing pieces to enable the outer surfaces of the fixing pieces to be embedded with the thread grooves through threads, and at the moment, the friction rings and the brake disc are detachably combined;

s4, when the motor is used, the rotating shaft arranged at the output end of the motor can rotate according to a set direction and a set speed, the driving motor can be started simultaneously, the shaft rod arranged at the output end of the motor can drive the comprehensive ring sleeve to rotate according to the set speed, and then the comprehensive ring sleeve can transmit the rotating force to the position where the fan blades are located, so that the fan blades can rotate along with the rotating shaft, the air in the motor main body is stirred, and the fluidity of the air is increased;

s5, when the motor stops running, the electric push rod I and the electric push rod II which are electrically connected with the motor main body both contract inwards, then the brake plate I and the brake plate II which are arranged at one ends of the electric push rod I and the electric push rod II can be respectively driven to move along, so that the distance between the brake plate I and the brake plate II is gradually reduced to form a clamping state for the brake disc, and a plurality of groups of clamping columns which are arranged on the outer surfaces of the two groups of brake plates can extend into the inside of a plurality of groups of through grooves, so that the rotating force transmitted to the position of the brake disc by the rotating shaft is limited by the clamping columns, and the rotating shaft is enabled to stop running quickly;

s6, before the motor is started again, the first electric push rod and the second electric push rod need to be started to enable the first electric push rod and the second electric push rod to extend outwards, and then pushing forces are respectively generated on the first brake plate and the second brake plate which are arranged at one ends of the first electric push rod and the second electric push rod to pull the distance between the two sets of brake plates apart so as to prevent the clamping column from blocking the rotation of the brake disc.

Compared with the prior art, the invention has the beneficial effects that:

1. the friction ring is additionally arranged on the outer surface of the brake disc in the equipment to replace the friction ring to be in contact with the brake plate, and the friction ring and the brake disc are in a detachable connection state, so that when the surface, which is formed by combining the brake disc and the two sets of friction rings, of the whole body, which is in contact with the two sets of brake plates is greatly abraded, the fixing piece can be rotated to enable the fixing piece to be separated from the thread groove, then the friction ring is taken down from the brake disc to replace the other set of friction ring, so that the source friction disc is prevented from being continuously used, and the braking effect is influenced.

2. When the motor stops operating in the equipment, the electric push rod I and the electric push rod II which are electrically connected with the motor main body both perform inward contraction operation, then the brake plate I and the brake plate II which are arranged at one ends of the motor main body can be respectively driven to move along, so that the distance between the brake plate I and the brake plate II is gradually reduced, the brake disc is in a clamping state, a plurality of groups of clamping columns which are arranged on the outer surfaces of the two groups of brake plates can extend into the inside of the plurality of groups of through grooves, the rotating force of the rotating shaft which is transmitted to the position of the brake disc is limited by the clamping columns, and the rotating shaft is enabled to stop operating quickly.

3. According to the invention, the driving motor and the generator are synchronously started, then the shaft lever arranged at the output end of the driving motor can drive the comprehensive ring sleeve to rotate according to a set speed, and then the multiple groups of fan blades rotate along with the driving motor so as to stir air in the motor main body and increase the fluidity of the air, thereby achieving the purposes of cooling and heat dissipation;

4. in the equipment, the fan blades of the fan used for evacuating hot air in the motor and the motor of the fan are in a detachable composition relationship, wherein rotating force in a set direction is applied to two groups of shifting blocks, then the rotating force is transmitted to the position of the embedded cylinder to promote the embedded cylinder to be separated from the threaded column, and at the moment, the whole body formed by combining a plurality of groups of fan blades and the comprehensive ring sleeve can be detached from the outer surface of the shaft rod so as to clean dust gathered on the surface of the shaft rod.

Drawings

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

FIG. 2 is a schematic view of the structure of the brake disc, the grooves and the friction ring of the present invention;

FIG. 3 is a schematic view of an installation structure of a second brake plate, a clamping column and a first electric push rod;

FIG. 4 is a schematic view of the structure of the retaining ring, threaded ring and collar of the present invention;

FIG. 5 is a schematic view of the mounting structure of the snap-fit groove, the integrated snare and the threaded post of the present invention;

FIG. 6 is a schematic view of the mounting structure of the collar, the vent plate and the driving motor of the present invention;

FIG. 7 is a schematic view of the mounting structure of the motor body, the collar and the protective frame according to the present invention;

FIG. 8 is a schematic view of the installation structure of the first brake plate, the second brake plate and the composite plate of the present invention.

In the figure: 1. a motor main body; 2. a fixing ring; 3. a rotating shaft; 4. a brake disc; 5. a groove; 6. a thread groove; 7. a friction ring; 8. a fitting groove; 9. a fixing member; 10. a through groove; 11. a first brake plate; 12. a second brake plate; 13. a snap post; 14. an electric push rod I; 15. a second electric push rod; 16. a composite board; 17. a moving groove; 18. a fitting block; 19. a threaded ring; 20. a collar; 21. a gas permeable plate; 22. a drive motor; 23. a clamping groove; 24. comprehensive snare; 25. a fan blade; 26. a threaded post; 27. a fitting cylinder; 28. shifting blocks; 29. a column; 30. a strip plate; 31. a base; 32. a protective frame; 33. a junction box; 34. a baffle plate; 35. and (4) supporting the base.

Detailed Description

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 and 2, an elevator motor with brake protection comprises a motor main body 1, a fixing ring 2, a rotating shaft 3 and a brake disc 4, wherein the fixing ring 2 is installed on the back surface of the motor main body 1, and the rotating shaft 3 is installed on the front surface of the motor main body 1;

the motor main part 1 can be mechanical energy with electric energy conversion, wherein utilize the electrical coil to produce rotating magnetic field and act on the rotor and form the rotation torque of magnetoelectric power, then can make 3 installations of the pivot of its output installation set for the direction, set for the rotational speed and keep rotatory operation, each part of 3 surface installations of later pivot can follow the rotation, the inner wall of solid fixed ring 2 is provided with the fillet, but its screw thread and 19 outer wall screw threads of fillet can gomphosis each other, then be convenient for the detachable combination between fillet 19 and solid fixed ring 2.

A brake disc 4 is arranged on the outer surface of the rotating shaft 3;

specifically, the brake disc 4 can rotate synchronously with the rotating shaft 3, which can increase the diameter of the rotating shaft 3 and facilitate the whole body formed by combining the two to be subjected to clamping force applied by two groups of brake discs arranged in front and back.

The front and the back of brake disc 4 all are provided with recess 5, brake disc 4 openly is provided with the thread groove 6 that eight equidistance were arranged, and the back of thread groove 6 runs through the inside of two sets of recesses 5, friction ring 7 is all installed to the inner wall of two sets of recesses 5, the outer wall of two sets of friction ring 7 all is provided with the gomphosis groove 8 that four equidistance of group were arranged, mounting 9 is installed to the inner wall of gomphosis groove 8, and the outer wall of mounting 9 and the inner wall laminating of thread groove 6, the surface of friction ring 7 evenly is provided with the logical groove 10 that the multiunit is the annular and arranges.

Specifically, the diameter of the groove 5 is the same as the diameter of the outer ring of the friction ring 7, so that the friction ring 7 can be conveniently embedded, the combination stability of the friction ring and the brake disc 4 is improved, the thread on the inner wall of the thread groove 6 can be embedded with the external thread of the fixing piece 9, so that the fixing piece and the fixing piece can be detachably mounted, the form of the embedding groove 8 is consistent with that of a part of the fixing piece 9, after the fixing piece 9 penetrates through the inside of the embedding groove 8, the front face of the fixing piece and the front face of the friction ring 7 are located on the same horizontal plane, and the through groove 10 can be used for inserting the clamping column 13.

Example two

As shown in fig. 1, 3 and 8, two sets of brake plates 11 arranged in a mirror image manner are installed on the front surface of the brake disc 4, two sets of brake plates two 12 arranged in a mirror image manner are installed on the back surface of the brake plate 4, multiple sets of clamping columns 13 arranged in an annular manner are installed on the back surface of the brake plate 11 and the front surface of the brake plates two 12, one ends of the clamping columns 13 extend into the through groove 10, a first electric push rod 14 is installed on the front surface of the brake plate 11, the back surface of the first electric push rod 14 penetrates through the inside of the brake plates two 12, a second electric push rod 15 is installed on the back surface of the brake plates two 12, the front surface of the second electric push rod 15 penetrates through the inside of the brake plate 11, and the first electric push rod 14 and the second electric push rod 15 are both electrically connected with the motor main body 1.

Specifically, after the first electric push rod 14 and the second electric push rod 15 in the device are started, the inward contraction or outward extension operation is synchronously performed, then the first brake plate 11 and the second brake plate 12 installed at one end of the two electric push rods can be respectively driven to move along, when the two groups of electric push rods contract, the distance between the first brake plate 11 and the second brake plate 12 can be gradually reduced, then one end of the clamping column 13 can be contacted with the outer surface of the friction ring 7, at the moment, when the whole formed by the friction ring 7 and the brake disc 4 rotates, a certain resistance can be applied, the inertia rotation rate of the rotating shaft 3 after the motor is turned off can be reduced, then the clamping columns 13 installed on the outer surfaces of the two groups of brake plates can correspondingly extend into the inner parts of the groups of through grooves 10, so that the rotating shaft 3 is limited by the rotating force clamping column 13 at the position where the brake disc 4 is located, the rotating shaft 3 is enabled to be rapidly stopped to form a clamping state for the brake disc 4, on the contrary, the distance between the two groups of brake plates arranged in front and back is gradually enlarged, so that the brake disc 4 is prevented from being blocked along with the rotation movement of the rotating shaft 3.

The combined plates 16 are installed at the bottoms of the two sets of brake plates I11, the tops of the two sets of combined plates 16 are attached to the bottoms of the two sets of brake plates II 12 respectively, the top of each combined plate 16 is provided with a moving groove 17, two sets of embedding blocks 18 which are arranged in the front and back are installed on the inner wall of each moving groove 17, and the tops of the two sets of embedding blocks 18 are attached to the bottoms of the brake plates I11 and the brake plates II 12 respectively.

Specifically, the combined plate 16 can be used for comprehensively placing the first brake plate 11 and the second brake plate 12, when the two sets of brake plates are driven by the telescopic movement of the two sets of electric push rods to move relatively, the embedded blocks 18 arranged at the bottoms of the two sets of brake plates can move along with the moving grooves 17, so that the connection between the brake plates and the combined plate 16 is increased, and the movement of the brake plates is not hindered.

EXAMPLE III

As shown in fig. 4 and 6, the inner wall of the fixing ring 2 is provided with a threaded ring 19 through thread embedding, the outer wall of the threaded ring 19 is provided with a lantern ring 20, the back surface of the lantern ring 20 is provided with a ventilation plate 21, the back surface of the ventilation plate 21 is provided with a driving motor 22, the front surface of the driving motor 22 extends into the lantern ring 20, the output end of the driving motor 22 is provided with a shaft rod, the outer surface of the shaft rod is provided with four groups of clamping grooves 23, the outer surface of the shaft rod is provided with a comprehensive snare 24, and the outer surface of the comprehensive snare 24 is uniformly provided with a plurality of groups of fan blades 25 which are arranged at equal intervals.

Specifically, the threaded ring 19 and the fixed ring 2 are installed in a threaded embedding manner, and then the lantern ring 20 connected by the threaded ring 19 and the fixed ring 2 are detachable, the air permeable plate 21 and the lantern ring 20 are combined into a whole, a movable space is provided for the driving motor 22, the shaft rod, the comprehensive ring 24 and the fan blades 25, after the driving motor 22 is started, the shaft rod installed at the output end of the driving motor can drive the comprehensive ring 24 to rotate according to a set speed, and then the comprehensive ring 24 can transmit the rotating force to the position of the fan blades 25 to enable the fan blades 25 to rotate along with the rotating direction, so that the air in the motor body 1 is stirred, and the air flowability is increased.

Example four

As shown in fig. 1, 5 and 7, a threaded column 26 is installed on the front surface of the shaft rod, a fitting cylinder 27 is installed on the outer surface of the threaded column 26, shifting blocks 28 are installed on the outer walls of two sides of the fitting cylinder 27, and the back surface of the shifting block 28 is attached to the front surface of the comprehensive ring sleeve 24.

Specifically, accessible screw thread gomphosis installation between screw thread post 26 and the gomphosis section of thick bamboo 27 for possess the detachability between the two, when gomphosis section of thick bamboo 27 was completely gomphosis with screw thread post 26, it can support comprehensive snare 24 with the back of two sets of shifting blocks 28, can effectively avoid breaking away from the contact between it and the axostylus axostyle, and the staff of being convenient for can exert the turning force to gomphosis section of thick bamboo 27 to the add of shifting blocks 28.

Three sets of upright posts 29 which are arranged front and back are arranged at the bottoms of the two sets of the comprehensive plates 16, a strip plate 30 is arranged at the bottom of each upright post 29, and a base 31 is arranged at the bottom of each strip plate 30.

Specifically, the stand 29 has a certain height, can be with the comprehensive board 16 lifting to suitable height that its top was installed for two sets of braking plates that comprehensive board 16 top was installed can be in the place ahead and the rear of brake disc 4, and rectangular board 30 multiplicable stand 29 bottom and the area of contact between the base 31 can increase the stability of its installation to a certain extent, and the base 31 can be used to synthesize motor mechanism and the brake mechanism in this equipment, makes things convenient for the two mating reaction.

The back surface of the motor main body 1 is provided with a protective frame 32, and the outer wall of the protective frame 32 is provided with a plurality of groups of air-permeable grooves which are uniformly distributed.

In particular, the protective frame 32 provides some protection while being used to mount the driving motor 22.

Junction box 33 is installed at motor body 1 top, and baffle 34 is installed in motor body 1's front, and two sets of symmetrical arrangement's supporting seat 35 is installed to motor body 1's bottom, and the bottom of two sets of supporting seats 35 all laminates with the top of base 31.

Specifically, terminal box 33 can prevent that the staff from touching the conducting part when touching this equipment, prevents simultaneously that water, dust etc. from invading, also is the contact bridge between generator internal line and the external connection, and baffle 34 is used for sealing the front of motor main part 1, avoids the operation of its internal component to receive external disturbance, and supporting seat 35 is used for linking motor main part 1 and base 31, increases the stability of motor main part 1 installation on base 31.

Specifically, the working steps of the elevator motor are as follows:

s1, when the device is assembled, a worker aligns the whole body formed by combining the multiple groups of fan blades 25 and the comprehensive snare 24 to the position of the shaft rod of the driving motor 22, then enables the embedded strip arranged on the inner wall of the comprehensive snare 24 to be embedded with the clamping groove 23 arranged on the outer surface of the shaft rod, aligns the whole body formed by the embedded cylinder 27 and the two groups of shifting blocks 28 to the threaded column 26, then applies a pushing force to the whole body to the position of the threaded column 26, applies a rotating force in a set direction to the two groups of shifting blocks 28, then transmits the rotating force to the position of the embedded cylinder 27, enables the embedded cylinder 27 to be embedded with the threaded column 26 through threads, and at the moment, the whole body formed by combining the multiple groups of fan blades 25 and the comprehensive snare 24 is detachably arranged on the outer surface of the shaft rod;

s2, aligning the whole body formed by combining the threaded ring 19, the lantern ring 20 and the ventilation plate 21 with the position of the fixed ring 2, and then applying a rotating force with a set direction to the whole body to facilitate the whole body to be combined with the motor main body 1 through the fixed ring 2;

s3, the worker fits the two sets of friction rings 7 into the two sets of grooves 5, respectively, so that the fitting grooves 8 formed on the friction rings 7 can align with the corresponding thread grooves 6 on the brake disc 4, and then sequentially align the sets of fasteners 9 with the fitting grooves 8, and apply a rotational force in a set direction to the fasteners, so that the outer surfaces of the fasteners are fitted with the thread grooves 6 by threads, and at this time, the friction rings 7 and the brake disc 4 are detachably combined;

s4, when the motor is used, the rotating shaft 3 arranged at the output end of the motor can rotate according to a set direction and a set speed, the driving motor 22 can be started simultaneously, the shaft rod arranged at the output end of the motor can drive the comprehensive ring sleeve 24 to rotate according to the set speed, and then the comprehensive ring sleeve 24 can transmit the rotating force to the position of the fan blade 25 to drive the fan blade 25 to rotate along with the rotating force so as to stir the air in the motor main body 1 and increase the fluidity of the air;

s5, when the motor stops running, the electric push rod I14 and the electric push rod II 15 which are electrically connected with the motor main body 1 both contract inwards, and then the brake plate I11 and the brake plate II 12 which are arranged at one ends of the electric push rod I and the electric push rod II are respectively driven to move along, so that the distance between the brake plate I11 and the brake plate II 12 is gradually reduced to form a clamping state for the brake disc 4, and a plurality of groups of clamping columns 13 which are arranged on the outer surfaces of the two groups of brake plates can extend into the inside of a plurality of groups of through grooves 10, so that the rotating force transmitted to the brake disc 4 by the rotating shaft 3 is limited by the clamping columns 13, and the rotating shaft 3 is enabled to stop running quickly;

s6, before the motor is started again, the first electric push rod 14 and the second electric push rod 15 need to be started to drive them to extend outwards, and then the first brake plate 11 and the second brake plate 12 mounted at one end of the first electric push rod and the second electric push rod respectively generate a driving force to pull the gap between the two sets of brake plates apart so as to prevent the engaging column 13 from obstructing the rotation of the brake disc 4.

The working principle is as follows: when the motor runs, the driving motor 22 is started simultaneously, the shaft lever arranged at the output end of the driving motor can drive the comprehensive ring sleeve 24 to rotate according to a set speed, then the comprehensive ring sleeve 24 can transmit the rotating force to the position of the fan blade 25 to promote the fan blade 25 to rotate along with the rotating, so as to stir the air in the motor main body 1 and accelerate the evacuation speed of hot air, when the motor stops running, the electric push rod I14 and the electric push rod II 15 which are electrically connected with the motor main body 1 can quickly shrink inwards, then the braking plate I11 and the braking plate II 12 arranged at one ends of the electric push rod I and the electric push rod II can be respectively driven to move along with each other, so that the distance between the braking plate I11 and the braking plate II 12 is gradually reduced, then one end of the clamping column 13 can be contacted with the outer surface of the friction ring 7, at this time, when the whole combined by the friction ring 7 and the braking disc 4 rotates, a certain resistance can be received, so as to reduce the inertia rotation speed of the rotating shaft 3 after the motor is closed, then, the two groups of electric push rods continuously contract inwards, and then the clamping columns 13 arranged on the outer surfaces of the two groups of brake plates can correspondingly extend into the through grooves 10, so that the rotating force transmitted to the brake disc 4 by the rotating shaft 3 is limited by the clamping columns 13, the rotating shaft 3 is prompted to stop operating quickly, and the braking effect is achieved.

It will be evident to those skilled in the art that the invention 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 invention 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 motor for elevator with braking protection, includes motor main part (1), solid fixed ring (2), pivot (3) and brake disc (4), its characterized in that: the back surface of the motor main body (1) is provided with a fixed ring (2), and the front surface of the motor main body (1) is provided with a rotating shaft (3);

a brake disc (4) is arranged on the outer surface of the rotating shaft (3);

the front and the back of brake disc (4) all are provided with recess (5), brake disc (4) openly are provided with thread groove (6) that eight equidistance were arranged, and the back of thread groove (6) runs through the inside of two sets of recesses (5), and are two sets of friction ring (7) are all installed to the inner wall of recess (5), and the outer wall of two sets of friction ring (7) all is provided with four sets of gomphosis grooves (8) that the equidistance was arranged, mounting (9) are installed to the inner wall of gomphosis groove (8), and the outer wall of mounting (9) and the inner wall laminating of thread groove (6), the surface of friction ring (7) evenly is provided with logical groove (10) that the multiunit is the annular and arranges.

2. The elevator motor with brake protection according to claim 1, wherein: two groups of brake plates I (11) which are arranged in a mirror image manner are arranged on the front surface of the brake disc (4), two groups of brake plates (12) which are arranged in a mirror image manner are arranged on the back surface of the brake disc (4), the back surface of the first brake plate (11) and the front surface of the second brake plate (12) are respectively provided with a plurality of groups of clamping columns (13) which are annularly arranged, one end of the clamping column (13) extends into the through groove (10), the front surface of the first brake plate (11) is provided with a first electric push rod (14), the back surface of the electric push rod I (14) penetrates through the interior of the brake plate II (12), the back surface of the second brake plate (12) is provided with a second electric push rod (15), the front surface of the electric push rod II (15) penetrates through the interior of the brake plate I (11), and the electric push rod I (14) and the electric push rod II (15) are electrically connected with the motor main body (1).

3. The elevator motor with brake protection according to claim 2, characterized in that: two sets of combined plywood (16) are all installed to the bottom of brake plate (11), and the top of two sets of combined plywood (16) is laminated with the bottom of two sets of brake plate two (12) respectively, the top of combined plywood (16) is provided with shifting chute (17), gomphosis piece (18) of arranging around two sets of are installed to the inner wall of shifting chute (17), and the top of two sets of gomphosis pieces (18) laminate with the bottom of brake plate (11) and brake plate two (12) respectively.

4. The elevator motor with brake protection according to claim 1, wherein: the inner wall of the fixing ring (2) is provided with a threaded ring (19) in a threaded embedding manner, the outer wall of the threaded ring (19) is provided with a sleeve ring (20), the back surface of the sleeve ring (20) is provided with a ventilation plate (21), the back surface of the ventilation plate (21) is provided with a driving motor (22), the front surface of the driving motor (22) extends into the sleeve ring (20), the output end of the driving motor (22) is provided with a shaft rod, the outer surface of the shaft rod is provided with four groups of clamping grooves (23), the outer surface of the shaft rod is provided with a comprehensive ring sleeve (24), and the outer surface of the comprehensive ring sleeve (24) is uniformly provided with a plurality of groups of fan blades (25) which are arranged at equal intervals.

5. The elevator motor with brake protection according to claim 4, wherein: the front side of the shaft lever is provided with a threaded column (26), the outer surface of the threaded column (26) is provided with an embedded cylinder (27), the outer walls of two sides of the embedded cylinder (27) are provided with shifting blocks (28), and the back side of each shifting block (28) is attached to the front side of the comprehensive ring sleeve (24).

6. An elevator motor with brake protection according to claim 3, characterized in that: two sets of stand (29) that three groups were arranged around all installing in the bottom of combined sheet (16), rectangular board (30) are installed to the bottom of stand (29), base (31) are installed to the bottom of rectangular board (30).

7. The elevator motor with brake protection according to claim 1, wherein: the back of the motor main body (1) is provided with a protective frame (32), and the outer wall of the protective frame (32) is provided with a plurality of groups of air-permeable grooves which are uniformly distributed.

8. The elevator motor with brake protection according to claim 1, wherein: junction box (33) is installed at motor main part (1) top, baffle (34) are installed in the front of motor main part (1), two sets of symmetrical arrangement's supporting seat (35) are installed to the bottom of motor main part (1), and the bottom of two sets of supporting seat (35) all laminates with the top of base (31).

9. An elevator motor with brake protection according to any one of claims 1-8, characterized in that the operating steps of the elevator motor are as follows:

s1, when the device is assembled, a worker aligns the whole body formed by combining the multiple groups of fan blades (25) and the comprehensive ring sleeve (24) to the position of the shaft rod of the driving motor (22), then the embedded strip arranged on the inner wall of the comprehensive snare (24) is mutually embedded with the clamping groove (23) arranged on the outer surface of the shaft lever, then the whole body formed by the embedded cylinder (27) and the two groups of shifting blocks (28) is aligned to the threaded column (26), and then the pushing force facing to the position of the threaded column (26) is applied to the whole body, then, applying a rotating force in a set direction to the two groups of shifting blocks (28), and then transmitting the rotating force to the position of the embedding cylinder (27) to promote the embedding cylinder (27) to be embedded with the threaded column (26) through threads, wherein the whole body formed by combining the plurality of groups of fan blades (25) and the comprehensive ring sleeve (24) is detachably arranged on the outer surface of the shaft rod;

s2, aligning the whole body formed by combining the threaded ring (19), the lantern ring (20) and the ventilation plate (21) to the position of the fixed ring (2), and then applying a rotating force in a set direction to the whole body to facilitate the whole body to be combined with the motor main body (1) through the fixed ring (2);

s3, respectively embedding two groups of friction rings (7) in two groups of grooves (5) by an operator, so that embedding grooves (8) formed in the friction rings (7) can be aligned with corresponding thread grooves (6) on a brake disc (4), then sequentially aligning a plurality of groups of fixing pieces (9) with the embedding grooves (8), applying a rotating force in a set direction to the embedding grooves, so that the outer surfaces of the fixing pieces and the thread grooves (6) are embedded through threads, and at the moment, the friction rings (7) and the brake disc (4) are detachably combined;

s4, when the motor is used, the rotating shaft (3) arranged at the output end of the motor can rotate according to a set direction and a set speed, the driving motor (22) can be started simultaneously, the shaft rod arranged at the output end of the motor can drive the comprehensive ring sleeve (24) to rotate according to the set speed, and then the comprehensive ring sleeve (24) can transmit the rotating force to the position of the fan blade (25) to drive the fan blade (25) to rotate along with the rotating force, so that the air in the motor main body (1) is stirred, and the fluidity of the air is increased;

s5, when the motor stops running, the electric push rod I (14) and the electric push rod II (15) which are electrically connected with the motor main body (1) both contract inwards, then the brake plate I (11) and the brake plate II (12) which are arranged at one ends of the electric push rod I and the electric push rod II can be respectively driven to move along, so that the distance between the brake plate I (11) and the brake plate II (12) is gradually reduced to form a clamping state for the brake disc (4), and a plurality of groups of clamping columns (13) which are arranged on the outer surfaces of the two groups of brake plates can extend into the inside of a plurality of groups of through grooves (10), so that the rotating force transmitted to the brake disc (4) by the rotating shaft (3) is limited by the clamping columns (13), and the rotating shaft (3) is enabled to stop running quickly;

s6, before the motor is started again, the electric push rod I (14) and the electric push rod II (15) need to be started to enable the electric push rod I and the electric push rod II to extend outwards, and then pushing forces are respectively generated on the brake plate I (11) and the brake plate II (12) which are arranged at one ends of the electric push rod I and the electric push rod II to pull the distance between the two sets of brake plates apart so as to prevent the clamping column (13) from blocking the rotation of the brake disc (4).