CN115417279A - Inner rotor permanent magnet synchronous safe energy-saving traction machine - Google Patents
Inner rotor permanent magnet synchronous safe energy-saving traction machine Download PDFInfo
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- CN115417279A CN115417279A CN202211114053.7A CN202211114053A CN115417279A CN 115417279 A CN115417279 A CN 115417279A CN 202211114053 A CN202211114053 A CN 202211114053A CN 115417279 A CN115417279 A CN 115417279A
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- 230000007246 mechanism Effects 0.000 claims description 17
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- 230000009471 action Effects 0.000 abstract description 10
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- 238000009825 accumulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
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- 229920000049 Carbon (fiber) Polymers 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/30—Operating devices electrical
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The invention discloses an inner rotor permanent magnet synchronous safe energy-saving traction machine, and belongs to the technical field of driving equipment. The invention is used for solving the technical problems that when a permanent magnet synchronous traction machine in the prior art breaks down, a traction sheave cannot stop rotating in time under the action of inertia, and when the traction sheave needs to be manually driven to rotate on the traction machine with the fault, great labor is consumed. The invention can not only ensure that the traction sheave can rapidly stop rotating when an accident happens, avoid other safety accidents, but also reduce the force required by turning the hand wheel, and brake and protect the traction sheave when the traction sheave is manually driven to rotate, thereby preventing the traction sheave from deflecting in the opposite direction.
Description
Technical Field
The invention relates to the technical field of driving equipment, in particular to an inner rotor permanent magnet synchronous safe energy-saving tractor.
Background
The permanent magnet synchronous traction machine is commonly called as a transmission without a reduction box. It is installed in the elevator machine room or in the elevator shaft, generally above the top floor of the building or inside the shaft, and is the power plant of the elevator. The permanent magnet synchronous tractor has a main machine to directly drive a traction wheel and no reduction box device. The permanent magnet synchronous traction machine is a novel bearingless motor which applies bearingless technology to the permanent magnet synchronous traction machine.
The invention discloses a permanent magnet synchronous traction machine with a speed reducer, which is characterized by comprising a permanent magnet synchronous motor and a gear reducer, wherein the shaft extension end of the permanent magnet synchronous motor is matched with the input end of the gear reducer, a spigot is processed on the end surface of the front end cover of the permanent magnet synchronous motor and is matched with the spigot of the input end of the gear reducer, the permanent magnet synchronous motor and the gear reducer are connected by bolts, a brake wheel is arranged in the permanent magnet synchronous motor and is installed at the rear end of a rotating shaft of the permanent magnet synchronous motor, block brakes are installed on two sides of the permanent magnet synchronous motor and are fixed on a base of the permanent magnet synchronous motor by bolts, an inner brake shoe of the block brakes penetrates through a square hole of the base and is pressed on the excircle of the brake wheel, a hole is processed on the rear end cover of the permanent magnet synchronous motor, a pinion at the front end of the wheel penetrates through the hole to be meshed with a turning gear installed in the permanent magnet synchronous motor, and a traction wheel is connected on the output shaft of the gear reducer. Compared with the prior art, the invention has the advantages of effectively reducing the consumption of the permanent magnet, high efficiency, low noise and high power factor.
The permanent magnet synchronous tractor can effectively realize high-speed operation through the arrangement of the speed reducer, reduces the using amount of the permanent magnet and reduces the cost, but the tractor lacks the brake protection to the tractor, when the tractor breaks down and is powered off, the traction sheave cannot stop rotating in time under the action of inertia, so that safety accidents are easily caused, and when the existing tractor breaks down, a hand wheel needs to be manually driven by a plurality of people to rotate so as to drive the traction sheave to rotate, and the traction sheave needs to consume larger strength in rotating.
Disclosure of Invention
The invention aims to provide an inner rotor permanent magnet synchronous safe energy-saving tractor, which is used for solving the technical problems that when the permanent magnet synchronous tractor in the prior art breaks down, a traction sheave cannot stop rotating in time under the action of inertia, safety accidents are easily caused, when the traction sheave on the tractor with the fault needs to be driven to rotate manually, a plurality of persons are required to cooperate with each other, and great force needs to be consumed for the rotation of the traction sheave.
The purpose of the invention can be realized by the following technical scheme:
an inner rotor permanent magnet synchronous safe energy-saving tractor comprises a shell, wherein a power chamber and a transmission chamber are arranged in the shell, a shell is arranged outside one end, far away from the power chamber, of the shell, a traction sheave is arranged on the inner side of the shell, a hand wheel for driving the traction sheave to rotate is arranged at the top of one end, far away from the shell, of the shell, a variable speed transmission assembly matched with the traction sheave is arranged on the inner side of the transmission chamber, an output assembly for driving an output shaft to rotate is arranged on the inner side of the power chamber in a rotating mode, and one end of the output shaft extends to the inner side of the transmission chamber and is matched with the variable speed transmission assembly;
the variable speed drive assembly comprises a first gear which is sleeved outside the output shaft, a drive shaft is rotatably installed on the inner side of the drive cavity, a second gear and a third gear are sleeved outside the drive shaft, the second gear is meshed with the first gear, the drive assembly further comprises a brake mechanism which is installed on the outer portion of the drive shaft and a fourth gear which is installed on the inner side of the drive cavity and is meshed with the third gear in a rotating mode, a connecting shaft is sleeved at the axis center of the fourth gear, one end, far away from the output shaft, of the connecting shaft extends to the inner side of the casing, and the traction wheel is sleeved outside the connecting shaft.
Further, the output assembly comprises a stator of an annular structure fixedly installed on the inner side of the power chamber and a rotor located on the inner ring of the stator, the rotor is sleeved outside the output shaft, an electricity receiving box is installed at the outer portion of one end, far away from the shell, of the shell, and a plurality of electricity receiving pieces electrically connected with the stator are installed on the electricity receiving box.
Further, arrestment mechanism establishes the outside installation shell of transmission shaft including the movable sleeve, the bottom of installation shell and the bottom inner wall rigid coupling of transmission cavity, braking ring and a plurality of brake pads are installed to the inboard of installation shell, the braking ring cover is established in the outside of transmission shaft, and is a plurality of the outside cover of brake pads is equipped with the annular slab, and the rigid coupling has the transmission piece that corresponds the setting with a plurality of brake pads on the inside wall of annular slab, the intercommunication groove has been seted up at the top of installation shell, and the top rigid coupling of annular slab has the drive rack, and the top of drive rack extends to the outside of installation shell and cooperatees with the output shaft through the linkage unit.
Furthermore, the connecting unit comprises a fifth gear which is rotatably arranged on the inner side of the transmission chamber and meshed with the transmission rack, one side of the fifth gear, which is close to the output shaft, is fixedly connected with a gear lack matched with the first gear, and the gear lack and the fifth gear are connected with the inner side wall of the transmission chamber through a force accumulation structure.
Further, hold power structure including seting up at scarce gear and the inboard chamber of settling of fifth gear, settle the inboard rotation in chamber and install the fixed axle, the one end of fixed axle extend to settle the outside in chamber and with the inner wall rigid coupling of transmission cavity, settle the inboard in chamber and be equipped with a plurality of torsional spring, a plurality of torsional spring is all established in the outside of fixed axle, the one end of a plurality of torsional spring all with the outer wall rigid coupling of fixed axle, the other end of a plurality of torsional spring all with settle the inner wall rigid coupling in chamber.
Further, a plurality of guide ways have been seted up to the inboard of installation shell, and are a plurality of the guide way is located the both sides of a plurality of brake pads respectively, and the spring is all installed to the inboard bottom of a plurality of guide ways, and the equal rigid coupling in top of spring has the connecting block, and is a plurality of the one end of connecting block all extends to the outside of guide way and respectively with the both sides outer wall rigid coupling of a plurality of brake pads.
Further, the tooth's socket that is the annular array setting is seted up to the outer lane of driving sheave, the top surface fixed mounting of casing has the installation piece, the one end of keeping away from the casing of installation piece is rotated and is installed the transmission ring gear with a plurality of tooth's sockets engaged with, install on the transmission ring gear and link up the axle, link up the one end of axle and the axle center department rigid coupling of handwheel wheel, the other end that links up the axle passes through drive mechanism and fifth gear connection.
Furthermore, a limiting groove is formed in the inner side of the transmission gear ring, a limiting block is slidably mounted on the inner side of the limiting groove, and one end of the limiting block extends to the outer portion of the limiting groove and is fixedly connected with the outer wall of the connecting shaft.
Further, drive mechanism is including seting up the mounting groove on installation piece and casing, sixth gear and seventh gear are installed to the inboard of mounting groove, sixth gear and seventh gear intermeshing, and the one end rigid coupling that the linking axle kept away from the hand wheel has the extension section with sixth gear rigid coupling, the axle center department rigid coupling of seventh gear has the cross axle, and the one end of cross axle extends to the inboard of transmission cavity, one side rigid coupling that power cavity was kept away from to the fifth gear has rather than the ring gear of coaxial setting, and the outside cover of one end that the cross axle is located transmission cavity inboard is equipped with the ninth gear with ring matched with.
The invention has the following beneficial effects:
1. the first gear, the second gear, the transmission shaft, the third gear and the fourth gear are matched with each other to adjust the output speed of the output assembly for driving the traction sheave to rotate, so that the traction sheave has enough traction power when rotating at a low speed, the permanent magnet made of rare earth materials required in the production process of the traction sheave is reduced, and the production cost is reduced.
2. Cooperate through output shaft and scarce gear, when the output shaft rotates, can drive the certain angle of fifth gear deflection, thereby the drive moves with its engaged drive rack, with the drive annular plate rotation, make brake pads and brake ring alternate segregation, thereby avoid brake pads and brake ring to be close to each other when rotating, great frictional force need be overcome to the output shaft when the drive traction sheave rotates, reduce the output of output shaft, environmental protection more, and when output assembly breaks down, a plurality of brake pads can be quick be close to the brake ring and brake the transmission shaft, thereby brake the traction sheave, arrestment mechanism has relevant mechanical structure to cooperate, can carry out emergency braking to the moving hauler under the proruption outage circumstances, the security performance is higher.
3. Through the cooperation of the hand dish wheel and the linking shaft, when the hand dish wheel is rotated, the fifth gear is driven to deflect through the transmission mechanism, so that the brake blocks are separated from the brake ring, the acting force required by the traction wheel driven by the hand dish wheel to rotate is reduced, and when the hand dish wheel is released, the brake rings are subjected to limiting protection by approaching the brake blocks to the brake ring, and the safety of the equipment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a left side view of the present invention;
fig. 3 is a front sectional view schematically showing the structure of the housing in embodiment 1 of the present invention;
fig. 4 is a front sectional structural view of the housing in embodiment 2 of the present invention;
FIG. 5 is an enlarged view of the portion A in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 7 is a front cross-sectional structural view of the mounting housing of the present invention;
FIG. 8 is a schematic view of the engagement structure of the third gear and the first gear of the present invention;
FIG. 9 is a schematic view of the mounting structure of the fixing shaft and several torsion springs according to the present invention;
fig. 10 is a schematic view of an installation structure of a transmission gear and an engagement shaft according to the present invention.
In the figure: 1. a housing; 101. a power chamber; 102. a transmission chamber; 103. a housing; 2. an output component; 201. a stator; 202. a rotor; 203. an output shaft; 204. a power receiving box; 205. connecting a power strip; 3. a variable speed drive assembly; 301. a first gear; 302. a second gear; 303. a drive shaft; 304. a third gear; 305. a fourth gear; 306. a connecting shaft; 4. a traction sheave; 5. a handwheel wheel; 501. mounting a block; 502. a transmission gear ring; 503. a connecting shaft; 504. a limiting groove; 505. a limiting block; 506. a sixth gear; 507. a seventh gear; 508. a horizontal axis; 509. a ninth gear; 510. a toothed ring; 6. a brake mechanism; 601. mounting a shell; 602. a brake ring; 603. a brake pad; 6031. a guide groove; 6032. a spring; 6033. connecting blocks; 604. an annular plate; 605. a transmission block; 606. a communicating groove; 607. a drive rack; 608. a gear is omitted; 609. a fifth gear; 7. a force storage structure; 701. a placement cavity; 702. a torsion spring; 703. and fixing the shaft.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The embodiment is used for solving the problems that the permanent magnet synchronous traction sheave in the prior art is lack of variable speed transmission, and a large amount of permanent magnets made of rare earth materials are needed to be used in order to ensure that the traction sheave has enough traction power at low speed, so that the production cost is high.
Referring to fig. 1-3, the inner rotor permanent magnet synchronous safe energy-saving type traction machine of the embodiment includes a housing 1, a power chamber 101 and a transmission chamber 102 are arranged in the housing 1, a casing 103 is arranged outside one end of the housing 1 far away from the power chamber 101, a traction sheave 4 is arranged inside the casing 103, a hand wheel 5 for driving the traction sheave 4 to rotate is arranged on the top of one end of the casing 103 far away from the housing 1, a variable speed transmission assembly 3 matched with the traction sheave 4 is arranged inside the transmission chamber 102, an output shaft 203 and an output assembly 2 for driving the output shaft 203 to rotate are arranged inside the power chamber 101, and one end of the output shaft 203 extends to the inside of the transmission chamber 102 and is matched with the variable speed transmission assembly 3;
the output assembly 2 drives the output shaft 203 to rotate, and the traction sheave 4 is driven to rotate after the output speed of the output assembly 2 to the traction sheave 4 is subjected to variable speed regulation through the variable speed transmission assembly 3, so that the output power of the output assembly 2 is reduced, the output consumption of the output assembly 2 is reduced, and the energy consumption is reduced.
Specifically, the variable speed transmission assembly 3 includes a first gear 301 sleeved outside the output shaft 203, a transmission shaft 303 is rotatably mounted inside the transmission chamber 102, a second gear 302 and a third gear 304 are sleeved outside the transmission shaft 303, wherein the second gear 302 is engaged with the first gear 301, the transmission assembly further includes a fourth gear 305 rotatably mounted inside the transmission chamber 102 and engaged with the third gear 304, a connecting shaft 306 is sleeved at an axis of the fourth gear 305, one end of the connecting shaft 306, which is far away from the output shaft 203, extends to the inside of the housing 103, and the traction wheel 4 is sleeved outside the connecting shaft 306.
The diameter of the first gear 301 is far smaller than that of the second gear 302, the diameter of the third gear 304 is far smaller than that of the fourth gear 305, bearings are arranged at the contact parts of the output shaft 203, the transmission shaft 303 and the connecting shaft 306 with the shell 1, the inner sides of the bearings are hermetically filled with lubricant, the output assembly 2 drives the output shaft 203 to rotate, drives the first gear 301 to synchronously rotate so as to drive the second gear 302 engaged with the first gear to rotate, and drives the third gear 304 to synchronously rotate along with the second gear 302 through the transmission of the transmission shaft 303, so as to drive the fourth gear 305 engaged with the third gear to rotate so as to drive the connecting shaft 306 to rotate.
Preferably, the output assembly 2 includes a stator 201 of an annular structure fixedly installed inside the power chamber 101 and a rotor 202 located inside the stator 201, the rotor 202 is sleeved outside the output shaft 203, an electric connection box 204 is installed outside one end of the housing 1 away from the casing 103, and a plurality of electric connection pieces 205 electrically connected with the stator 201 are installed on the electric connection box 204.
The power receiving piece 205 is electrically connected with an external power supply to electrify the output assembly 2, so that the rotor 202 rotates in the power chamber 101 to drive the output shaft 203 to rotate, and a plurality of lifting rings are installed at the top of the outer side of the shell 1 to facilitate the hoisting of the traction machine.
Example 2
The embodiment is used for solving the problems that the tractor in the prior art lacks a brake device for the output shaft of the tractor, and the tractor cannot brake the tractor when the tractor breaks down, so that safety accidents are easily caused.
Referring to fig. 4-9, in the inner rotor permanent magnet synchronous safe energy-saving type traction machine of this embodiment, a brake mechanism 6 is installed outside a transmission shaft 303, the brake mechanism 6 includes an installation shell 601 movably sleeved outside the transmission shaft 303, the bottom of the installation shell 601 is fixedly connected to the inner wall of the bottom of a transmission chamber 102, a brake ring 602 and a plurality of brake blocks 603 are installed inside the installation shell 601, the brake ring 602 is sleeved outside the transmission shaft 303, an annular plate 604 is sleeved outside the plurality of brake blocks 603, a transmission block 605 corresponding to the plurality of brake blocks 603 is fixedly connected to the inner side wall of the annular plate 604, a communication groove 606 is formed in the top of the installation shell 601, a transmission rack 607 is fixedly connected to the top of the annular plate 604, and the top of the transmission rack 607 extends to the outside of the installation shell 601 and is matched with an output shaft 203 through a connection unit.
The brake ring 602 and the brake blocks 603 are made of carbon fiber materials, a plurality of protrusions are arranged on the outer wall of one side, close to each other, of the outer portion of the brake ring 602 and the brake blocks 603, so that friction force between the brake ring 602 and the brake blocks 603 is increased, the transmission rack 607 always tends to move towards the middle position of the communication groove 606 under the action of the connecting unit, the annular plate 604 rotates synchronously along with the rotation of the transmission rack 607, arc-shaped convex surfaces of the transmission blocks 605 are abutted to the arc-shaped convex surfaces of the brake blocks 603 respectively, the brake blocks 603 are attached to the outer wall of the brake ring 602, the brake ring 602 is limited to rotate, so that the transmission shaft 303 is braked, and the arrangement of a brake structure of the transmission shaft 303 belongs to mechanical structure matching, and the brake performance of a tractor can be further improved.
Specifically, a plurality of guide ways 6031 have been seted up to the inboard of installation shell 601, and a plurality of guide ways 6031 are located the both sides of a plurality of brake pads 603 respectively, and spring 6032 is all installed to a plurality of guide ways 6031's inboard bottom, and the equal rigid coupling in top of spring 6032 has connecting block 6033, and the one end of a plurality of connecting blocks 6033 all extends to guide ways 6031's outside and respectively with the both sides outer wall rigid coupling of a plurality of brake pads 603.
The guide grooves 6031 on both sides of the same brake pad 603 are symmetrically arranged, under the elastic action of the springs 6032, the brake pads 603 tend to be away from each other, the transmission rack 607 deflects left and right to drive the annular plate 604 to deflect, so that the transmission pad 605 deflects, and the brake pads 603 have a space for movement away from the brake ring 602, so that the brake pads 603 can be pushed to be away from each other under the elastic action of the springs 6032, braking on the brake ring 602 is released, and the guide grooves 6031 can limit the positions of the brake pads 603 and prevent the brake pads 603 from deflecting.
It should be noted that the connecting unit includes a fifth gear 609 rotatably installed inside the transmission chamber 102 and engaged with the transmission rack 607, a side of the fifth gear 609 close to the output shaft 203 is fixedly connected with a gear lack 608 matched with the first gear 301, and the gear lack 608 and the fifth gear 609 are connected with the inner side wall of the transmission chamber 102 through the power accumulating structure 7.
The first gear 301 rotates to drive the missing gear 608 to rotate until the missing gear 608 is out of mesh, the fifth gear 609 deflects synchronously with the rotation of the missing gear 608, the power accumulation structure 7 accumulates power, so that the missing gear 608 and the fifth gear 609 both tend to deflect in the original direction, when the output assembly 2 suddenly breaks down, the rotor 202 stops rotating and loses output power to the output shaft 203, and then the missing gear 608 and the fifth gear 609 are driven to rotate in the opposite direction and reset under the elastic action of the power accumulation structure 7.
Specifically, the power accumulating structure 7 comprises a mounting cavity 701 formed in the inner sides of the missing gear 608 and the fifth gear 609, a fixing shaft 703 is rotatably mounted on the inner side of the mounting cavity 701, one end of the fixing shaft 703 extends to the outer portion of the mounting cavity 701 and is fixedly connected with the inner wall of the transmission cavity 102, a plurality of torsion springs 702 are arranged on the inner side of the mounting cavity 701, the plurality of torsion springs 702 are all sleeved on the outer portion of the fixing shaft 703, one ends of the torsion springs 702 are all fixedly connected with the outer wall of the fixing shaft 703, and the other ends of the torsion springs 702 are all fixedly connected with the inner wall of the mounting cavity 701.
When the fifth gear 609 deflects, the torsion springs 702 are driven to deflect synchronously, so that the torsion springs 702 deflect and bear force, and the torsion springs 702 can reset quickly under the action of elasticity when the force for maintaining the deflection of the torsion springs 702 is lost.
Example 3
The embodiment is used for solving the problems that in the prior art, after the traction machine breaks down, the traction sheave needs to consume large force when the hand reel wheel is used for driving the traction sheave to rotate, and when the hand reel wheel is rotated, the traction sheave tends to rotate in the opposite direction, and the safety protection for braking the traction sheave is lacked.
Referring to fig. 4 and 10, in the inner rotor permanent magnet synchronous safe energy-saving type traction machine of this embodiment, tooth grooves arranged in an annular array are formed in an outer ring of the traction sheave 4, an installation block 501 is fixedly installed on a top surface of the machine shell 103, a transmission toothed ring 502 meshed with the tooth grooves is rotatably installed at one end of the installation block 501, which is far away from the shell 1, an engagement shaft 503 is installed on the transmission toothed ring 502, one end of the engagement shaft 503 is fixedly connected with an axis of the handwheel 5, and the other end of the engagement shaft 503 is connected with the fifth gear 609 through a transmission mechanism.
When the traction sheave 4 needs to be driven to rotate by the handwheel wheel 5, the handwheel wheel 5 is rotated, the connecting shaft 503 is used for driving the transmission toothed ring 502 to rotate, so as to drive the traction sheave 4 engaged with the driving toothed ring to rotate, and before the handwheel wheel 5 rotates and drives the traction sheave 4 to rotate, the fifth gear 609 can be driven to deflect by the driving of the transmission mechanism, so that the brake blocks 603 are separated from the brake ring 602, the resistance which needs to be overcome for driving the traction sheave 4 to rotate is reduced, so that the handwheel wheel 5 drives the traction sheave 4 to rotate more laborsavingly, and when the handwheel wheel 5 is released, the brake blocks 603 approach the brake ring 602 to carry out limit protection on the brake ring 602, so that the safety of the equipment is improved.
Specifically, a limiting groove 504 is formed in the inner side of the transmission gear ring 502, a limiting block 505 is slidably mounted on the inner side of the limiting groove 504, and one end of the limiting block 505 extends to the outer portion of the limiting groove 504 and is fixedly connected with the outer wall of the connecting shaft 503.
The hand wheel 5 rotates to drive the connecting shaft 503 to rotate, when the outer wall of the limiting block 505 abuts against the inner wall of one end of the limiting groove 504, the connecting shaft 503 rotates to drive the transmission toothed ring 502 to rotate, so that a blank rotating section is arranged before the hand wheel 5 rotates, and the fifth gear 609 can be driven to deflect by a certain angle.
Preferably, the transmission mechanism includes a mounting groove formed in the mounting block 501 and the housing 1, a sixth gear 506 and a seventh gear 507 are mounted on the inner side of the mounting groove, the sixth gear 506 and the seventh gear 507 are engaged with each other, an extension section fixedly connected with the sixth gear 506 is fixedly connected to one end of the connecting shaft 503 away from the hand wheel 5, a cross shaft 508 is fixedly connected to the axis of the seventh gear 507, one end of the cross shaft 508 extends to the inner side of the transmission chamber 102, a missing tooth ring 510 coaxially arranged with the fifth gear 609 is fixedly connected to one side of the fifth gear 609 away from the power chamber 101, and a ninth gear 509 matched with the missing tooth ring 510 is sleeved on the outer portion of one end of the cross shaft located on the inner side of the transmission chamber 102.
The connecting shaft 503 rotates synchronously with the rotation of the hand wheel 5, and the rotating connecting shaft 503 drives the sixth gear 506 to rotate and drive the seventh gear 507 engaged with the sixth gear to rotate, and the ninth gear 509 is driven to rotate through the transmission of the cross shaft 508, and further drives the missing tooth ring 510 matched with the ninth gear to rotate, so that the fifth gear 609 is driven to rotate, and the braking limitation on the braking ring 602 is released.
As shown in fig. 1-10, the working process and principle of the present invention are as follows:
when the brake device is used, an external power line is connected with the electric connecting piece 205, the device power supply is connected, the output assembly 2 rotates to drive the output shaft 203 to rotate, the first gear 301 is driven to rotate synchronously, the second gear 302 meshed with the first gear is driven to rotate, the third gear 304 is driven to rotate synchronously along with the second gear 302, the fourth gear 305 meshed with the third gear is driven to rotate, the connecting shaft 306 is driven to rotate, the traction wheel 4 rotates, the missing gear 608 is driven to rotate while the first gear 301 rotates, the torsion springs 702 generate torsional energy storage, the fifth gear 609 deflects along with the rotating missing gear 608, the driving rack 607 deflects, the transmission blocks 605 and the brake blocks 603 are staggered, and the brake blocks 603 move in a direction far away from the brake ring 602 under the elastic action of the springs 6032 to release braking on the brake ring 602.
When the output assembly fails, the rotor 202 stops rotating and loses the output force on the output shaft 203, and the driving missing gear 608 and the fifth gear 609 rotate and return in opposite directions under the elastic action of the power accumulating structure 7, so that the plurality of driving blocks 605 drive the plurality of braking blocks 603 to approach each other to brake the braking ring 602, thereby limiting the rotation of the traction sheave 4.
When the traction sheave needs to be manually driven to rotate, the hand sheave 5 is rotated, the connecting shaft 503 rotates along with the hand sheave 5 to rotate synchronously, when the outer wall of the limiting block 505 on the connecting shaft 503 is abutted to the inner wall of one end of the limiting groove 504, the connecting shaft 503 rotates to drive the transmission toothed ring 502 to rotate, the traction sheave 4 meshed with the connecting shaft is further driven to rotate, before the hand sheave 5 rotates to drive the traction sheave 4 to rotate, the fifth gear 609 is driven to deflect through the transmission mechanism, the brake blocks 603 are separated from the brake ring 602, resistance needed to be overcome when the traction sheave 4 is driven to rotate is reduced, the hand sheave 5 drives the traction sheave 4 to rotate more labor-saving, and when the hand sheave 5 is released, the brake blocks 603 approach the brake ring 602 to limit the brake ring 602 to brake the transmission shaft 303, and the safety of the equipment is improved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. An inner rotor permanent magnet synchronous safe energy-saving type traction machine comprises a shell (1), wherein a power chamber (101) and a transmission chamber (102) are arranged in the shell (1), a shell (103) is arranged outside one end, far away from the power chamber (101), of the shell (1), a traction sheave (4) is arranged on the inner side of the shell (103), the traction machine is characterized in that a hand disc wheel (5) used for driving the traction sheave (4) to rotate is arranged at the top of one end, far away from the shell (1), of the shell (103), a variable-speed transmission assembly (3) matched with the traction sheave (4) is arranged on the inner side of the transmission chamber (102), an output shaft (203) and an output assembly (2) driving the output shaft (203) to rotate are arranged on the inner side of the power chamber (101) in a rotating manner, one end of the output shaft (203) extends to the inner side of the transmission chamber (102) and is matched with the variable-speed transmission assembly (3);
the variable speed drive assembly (3) is including establishing first gear (301) in output shaft (203) outside at the cover, transmission chamber (102) inboard is rotated and is installed transmission shaft (303), and the outside cover of transmission shaft (303) is equipped with second gear (302) and third gear (304), and wherein, second gear (302) meshes with first gear (301) mutually, drive assembly is still including installing brake mechanism (6) outside transmission shaft (303) and rotating and installing inboard at transmission chamber (102) and fourth gear (305) with third gear (304) engaged with, and the axle center department cover of fourth gear (305) is equipped with connecting axle (306), and the one end that output shaft (203) was kept away from in connecting axle (306) extends to the inboard of casing (103), traction wheel (4) cup joint the outside at connecting axle (306).
2. The inner rotor permanent magnet synchronous safe energy-saving traction machine according to claim 1, wherein the output assembly (2) comprises a stator (201) of an annular structure fixedly installed inside the power chamber (101) and a rotor (202) located at an inner ring of the stator (201), the rotor (202) is sleeved outside the output shaft (203), an electricity connection box (204) is installed outside one end of the shell (1) far away from the casing (103), and a plurality of electricity connection pieces (205) electrically connected with the stator (201) are installed on the electricity connection box (204).
3. The inner rotor permanent magnet synchronous safe energy-saving traction machine as claimed in claim 1, wherein the brake mechanism (6) comprises a mounting shell (601) movably sleeved outside the transmission shaft (303), the bottom of the mounting shell (601) is fixedly connected with the inner wall of the bottom of the transmission chamber (102), a brake ring (602) and a plurality of brake blocks (603) are installed on the inner side of the mounting shell (601), the brake ring (602) is sleeved outside the transmission shaft (303), the outer portion of the plurality of brake blocks (603) is sleeved with a ring plate (604), a transmission block (605) corresponding to the plurality of brake blocks (603) is fixedly connected to the inner wall of the ring plate (604), a communication groove (606) is formed in the top of the mounting shell (601), a transmission rack (607) is fixedly connected to the top of the ring plate (604), and the top of the transmission rack (607) extends to the outside of the mounting shell (601) and is matched with the output shaft (203) through a connection unit.
4. An inner rotor permanent magnet synchronous safe energy-saving type traction machine as claimed in claim 3, wherein the connection unit comprises a fifth gear (609) rotatably installed inside the transmission chamber (102) and engaged with the transmission rack (607), a missing gear (608) matched with the first gear (301) is fixedly connected to one side of the fifth gear (609) close to the output shaft (203), and the missing gear (608) and the fifth gear (609) are connected with the inner side wall of the transmission chamber (102) through a power accumulating structure (7).
5. The inner rotor permanent magnet synchronous safe energy-saving traction machine according to claim 4, wherein the power accumulating structure (7) comprises a mounting cavity (701) formed inside the missing gear (608) and the fifth gear (609), a fixing shaft (703) is rotatably installed inside the mounting cavity (701), one end of the fixing shaft (703) extends to the outside of the mounting cavity (701) and is fixedly connected with the inner wall of the transmission cavity (102), a plurality of torsion springs (702) are arranged inside the mounting cavity (701), the torsion springs (702) are all sleeved outside the fixing shaft (703), one ends of the torsion springs (702) are all fixedly connected with the outer wall of the fixing shaft (703), and the other ends of the torsion springs (702) are all fixedly connected with the inner wall of the mounting cavity (701).
6. The inner rotor permanent magnet synchronous safe energy-saving traction machine as claimed in claim 3, wherein a plurality of guide grooves (6031) are opened on the inner side of the mounting housing (601), the guide grooves (6031) are respectively located on two sides of a plurality of brake pads (603), springs (6032) are installed on the bottom of the inner side of the guide grooves (6031), connecting blocks (6033) are fixedly connected to the top of the springs (6032), and the connecting blocks (6033) are connected to the outer portions of the guide grooves (6031) and fixedly connected to the outer walls of the two sides of the brake pads (603) respectively.
7. The inner rotor permanent magnet synchronous safe energy-saving type traction machine according to claim 4, wherein tooth grooves arranged in an annular array are formed in an outer ring of the traction wheel (4), an installation block (501) is fixedly installed on the top surface of the machine shell (103), a transmission toothed ring (502) meshed with the tooth grooves is rotatably installed at one end, far away from the shell (1), of the installation block (501), a connection shaft (503) is installed on the transmission toothed ring (502), one end of the connection shaft (503) is fixedly connected with the axis of the hand reel wheel (5), and the other end of the connection shaft (503) is connected with the fifth gear (609) through a transmission mechanism.
8. The inner rotor permanent magnet synchronous safe energy-saving traction machine as claimed in claim 7, wherein a limit groove (504) is formed on the inner side of the transmission gear ring (502), a limit block (505) is slidably mounted on the inner side of the limit groove (504), and one end of the limit block (505) extends to the outside of the limit groove (504) and is fixedly connected with the outer wall of the engaging shaft (503).
9. The inner rotor permanent magnet synchronous safe energy-saving type traction machine as claimed in claim 7, wherein the transmission mechanism comprises a mounting groove formed in the mounting block (501) and the housing (1), a sixth gear (506) and a seventh gear (507) are mounted on the inner side of the mounting groove, the sixth gear (506) and the seventh gear (507) are meshed with each other, an extension section fixedly connected with the sixth gear (506) is fixedly connected to one end of the connecting shaft (503) far away from the handwheel (5), a transverse shaft (508) is fixedly connected to the axis of the seventh gear (507), one end of the transverse shaft (508) extends to the inner side of the transmission chamber (102), a gear ring (510) coaxially arranged with the fifth gear (609) is fixedly connected to one side far away from the power chamber (101), and a ninth gear (509) matched with the gear ring (510) is sleeved on the outer portion of one end of the transverse shaft on the inner side of the transmission chamber (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211114053.7A CN115417279B (en) | 2022-09-14 | 2022-09-14 | Inner rotor permanent magnet synchronous safe energy-saving traction machine |
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| CN202211114053.7A CN115417279B (en) | 2022-09-14 | 2022-09-14 | Inner rotor permanent magnet synchronous safe energy-saving traction machine |
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| CN115417279B CN115417279B (en) | 2024-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780815A (en) * | 2023-05-25 | 2023-09-19 | 浙江弗尔德驱动科技有限公司 | Permanent magnet efficient energy-saving semi-direct-drive motor for reforming ladder and operation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949743A2 (en) * | 1998-04-09 | 1999-10-13 | ATB Antriebstechnik AG | Electrical machine, in particular for lift driving apparatus |
| CN102285573A (en) * | 2011-08-05 | 2011-12-21 | 梁昌勇 | Permanent magnet synchronous traction machine with speed reducer |
-
2022
- 2022-09-14 CN CN202211114053.7A patent/CN115417279B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949743A2 (en) * | 1998-04-09 | 1999-10-13 | ATB Antriebstechnik AG | Electrical machine, in particular for lift driving apparatus |
| CN102285573A (en) * | 2011-08-05 | 2011-12-21 | 梁昌勇 | Permanent magnet synchronous traction machine with speed reducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780815A (en) * | 2023-05-25 | 2023-09-19 | 浙江弗尔德驱动科技有限公司 | Permanent magnet efficient energy-saving semi-direct-drive motor for reforming ladder and operation method |
| CN116780815B (en) * | 2023-05-25 | 2024-03-22 | 浙江弗尔德驱动科技有限公司 | Permanent magnet efficient energy-saving semi-direct-drive motor for reforming ladder and operation method |
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| CN115417279B (en) | 2024-03-26 |
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