WO2022193361A1 - 一种电磁制动三相异步电机 - Google Patents

一种电磁制动三相异步电机 Download PDF

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Publication number
WO2022193361A1
WO2022193361A1 PCT/CN2021/083987 CN2021083987W WO2022193361A1 WO 2022193361 A1 WO2022193361 A1 WO 2022193361A1 CN 2021083987 W CN2021083987 W CN 2021083987W WO 2022193361 A1 WO2022193361 A1 WO 2022193361A1
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WIPO (PCT)
Prior art keywords
blocking plate
dust
wall
block
phase asynchronous
Prior art date
Application number
PCT/CN2021/083987
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English (en)
French (fr)
Inventor
罗正权
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台州立克科技有限公司
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Application filed by 台州立克科技有限公司 filed Critical 台州立克科技有限公司
Publication of WO2022193361A1 publication Critical patent/WO2022193361A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the invention belongs to the field of motors, and more specifically relates to an electromagnetic brake three-phase asynchronous motor.
  • the three-phase asynchronous motor is connected to the 380V three-phase AC power supply, so that the rotor and the stator rotate in the same direction to drive the bearing to rotate. Since the motor generates a lot of heat during operation, in order to speed up the heat dissipation, there is a set on the back of the body.
  • the heat dissipation hole makes the rotation of the internal fan drive the hot air to spread to the heat dissipation hole; when the three-phase asynchronous motor is used to provide power in the prior art, when the three-phase asynchronous motor is installed in the coal mine, because the coal mine contains a large amount of coal dust, When the motor stops running, the external airflow and dust pass into the inside of the body along the heat dissipation holes, and stay on the outer wall of the fan, which increases the bearing capacity of the fan and slows down the rotation speed, resulting in slower heat diffusion inside the motor.
  • an electromagnetic brake three-phase asynchronous motor the structure of which includes a base, a body, and a bearing, the body is horizontally welded on the top of the base, and the bearing is connected and installed on the top of the base. Right end of the body.
  • the body is provided with a rotor, a stator, a fan, a heat dissipation hole and a blocking mechanism.
  • the rotor is located in the center of the body, the bearing runs through the middle of both ends of the rotor, the stator is installed on the outer wall of the rotor, and the fan is located at the right end of the body.
  • the heat dissipation hole penetrates through the inner and outer walls of the right side of the body, and the blocking mechanism is fixed on the inner top of the heat dissipation hole.
  • the blocking mechanism is provided with a frame, a tie rod, a toothed rod, a gear, a blocking plate and a clearing block
  • the frame is located outside the blocking mechanism
  • the toothed rod is arranged in the middle of the frame
  • the The tie rod is installed vertically between the top of the tie rod and the inner wall of the top of the frame
  • the gears are connected and installed in the middle of the inner walls of the two sides of the frame, and cooperate with the teeth rods through teeth
  • the blocking plate is fixed on the bottom end of the teeth rods
  • the removal of the The block is sleeved on the inner wall of the middle and lower part of the right side of the frame, and there are two gears arranged symmetrically.
  • the blocking plate is provided with a stacking cavity, a clamping slot, a spring strip, and a magnetic block
  • the stacking cavity is set on the right side of the middle and lower part of the blocking plate
  • the clamping slot is recessed on the bottom surface of the blocking plate, so
  • the magnetic block is sleeved on the inner bottom of the card slot
  • the spring strip is installed between the top of the magnetic block and the inner wall of the card slot
  • the left side of the blocking plate is an uneven surface, and there are three magnetic blocks.
  • the stacking cavity is provided with a limiting block, a clamping plate, a connecting shaft, and a limiting strip
  • the limiting block is integrated with the outer wall of the right end of the stacking cavity
  • the clamping plate is connected and installed on the right end of the stacking cavity through the connecting shaft.
  • the inner top of the right end of the stacking cavity, the limiting strip is connected between the top of the card board and the inner wall of the stacking cavity, and the top surface of the card board is in the shape of a convex arc.
  • the clearing block is provided with a support plate, a clearing ring, a telescopic rod, and an air cavity
  • the supporting plate is located on the right side of the clearing block
  • the clearing ring is installed on the left side of the supporting plate through the telescopic rod, so
  • the air cavity is arranged between the clearing ring and the support plate, and there are two telescopic rods, which are symmetrically distributed up and down.
  • the cleaning ring is provided with a vent hole and a cleaning roller, the vent hole penetrates both sides of the cleaning ring, the cleaning roller is connected and installed at the center position of the right side of the cleaning ring, and the row There are four air holes, which are symmetrically distributed up and down.
  • the cleaning roller is provided with a roller body, a push bar and a cleaning sheet, the roller body is arranged in the middle of the cleaning roller, the cleaning sheet is installed on the outer wall of the roller through the push bar, and the outer wall of the cleaning sheet is for rough surface.
  • the present invention has the following beneficial effects:
  • the external dust block can reduce the dust entering the inside of the body along the heat dissipation holes, keep the outer wall of the fan clean, slow down the bearing capacity of the fan, speed up the rotation speed of the fan, and speed up the heat diffusion inside the body.
  • the dust on the right side of the blocking board can be removed by the removal sheet in the removal block, which can reduce the accumulation of dust, slow down the gravity of the blocking board, and speed up the moving speed of the blocking board.
  • FIG. 1 is a schematic structural diagram of an electromagnetic brake three-phase asynchronous motor according to the present invention.
  • FIG. 2 is a schematic structural diagram of a side sectional view of a body of the present invention.
  • FIG. 3 is a schematic structural diagram of a side cross-sectional view of a blocking mechanism of the present invention.
  • FIG. 4 is a schematic structural diagram of a side cross-sectional view of a blocking plate according to the present invention.
  • FIG. 5 is a schematic structural diagram of an interior side view of a stacking cavity of the present invention.
  • FIG. 6 is a schematic structural diagram of a side sectional view of a cleaning block according to the present invention.
  • FIG. 7 is a schematic structural diagram of a cleaning ring in side view of the present invention.
  • FIG. 8 is a schematic structural diagram of a cleaning roller in side view of the present invention.
  • the present invention provides an electromagnetic brake three-phase asynchronous motor, the structure of which includes a base 1 , a body 2 and a bearing 3 .
  • the body 2 is provided with a rotor 21, a stator 22, a fan 23, a heat dissipation hole 24, and a blocking mechanism 25.
  • the rotor 21 is located in the center of the body 2, and the bearing 3 runs through the middle of both ends of the rotor 21.
  • the stator 22 is installed On the outer wall of the rotor 21 , the fan 23 is arranged inside the right end of the body 2 and movably cooperates with the bearing 3 .
  • the blocking mechanism 25 is provided with a frame a1, a pull rod a2, a toothed rod a3, a gear a4, a blocking plate a5, and a clearing block a6, the frame a1 is located outside the blocking mechanism 25, and the toothed rod a3 is provided in the frame In the middle part of a1, the pull rod a2 is vertically installed between the top of the pull rod a2 and the inner wall of the top end of the frame a1, the gear a4 is connected and installed in the middle of the inner walls of the frame a1 on both sides, and cooperates with the tooth rod a3 through teeth, the blocking The plate a5 is fixed on the bottom end of the tooth rod a3, the clearing block a6 is sleeved on the inner wall of the middle and lower part of the right side of the frame a1, and the gears a4 are provided with two, which are symmetrically distributed, and are movably matched with the tooth rod a3, which is beneficial to The toothed rod a
  • the blocking plate a5 is provided with a stacking cavity s1, a clamping slot s2, a spring strip s3, and a magnetic block s4.
  • the stacking cavity s1 is provided on the right side of the middle lower part of the blocking plate a5, and the clamping slot s2 is recessed in the blocking plate.
  • the stacking cavity s1 is provided with a limiting block d1, a clamping plate d2, a connecting shaft d3, and a limiting strip d4.
  • the limiting block d1 is connected with the outer wall of the right end of the stacking cavity s1 as a whole, and the clamping plate d2 passes through the connecting shaft.
  • d3 is connected and installed on the inner top of the right end of the stacking cavity s1, and the limiting strip d4 is connected between the top of the card board d2 and the inner wall of the stacking cavity s1.
  • the resistance of the top of the plate d2 to the dust accelerates the flow of the dust along the surface of the card plate d2 to the inside of the accumulation cavity s1.
  • the body 2 of the motor is connected to the three-phase alternating current, the rotor 21 and the stator 22 are energized to generate magnetic force to move and rotate, thereby driving the bearing 3 to rotate, and the bearing 3 drives the fan 23 to rotate, so that the hot air flow inside the body 2 along the With the diffusion of the heat dissipation holes 24, when the motor is running, the magnetic block s4 at the bottom of the blocking plate a5 inside the blocking mechanism 25 and the magnetic field inside the body 2 generate a repulsive thrust, and the groove on the left side of the blocking plate a5 is pushed by the airflow.
  • the blocking plate a5 pushes the toothed rod a3 up to cooperate with the gear a4, and the pull rod a2 pulls the toothed rod a3 up to speed up the moving speed of the blocking plate a5, the blocking plate a5 enters the inside of the frame a1, and the heat dissipation hole 24 It is smooth, and the hot air spreads along the heat dissipation hole 24.
  • the blocking plate a5 is subjected to its own gravity to pull down the tooth rod a3, and the blocking plate a5 gradually moves down and is attached to the bottom of the heat dissipation hole 24.
  • the dust block can reduce the backflow of dust in the accumulation chamber s1, and the clamping plate d2 is limited by the limit block d1.
  • the dust block can reduce the dust entering the body 2 along the heat dissipation holes 24, keep the outer wall of the fan 23 clean, slow down the bearing force of the fan 23, speed up the rotation speed of the fan 23, and speed up the heat diffusion inside the body 2.
  • the removal block a6 is provided with a support plate e1, a removal ring e2, a telescopic rod e3, and an air cavity e4, the support plate e1 is located on the right side of the removal block a6, and the removal ring e2 is installed on the support plate through the extension rod e3
  • the air cavity e4 is set between the clearing ring e2 and the support plate e1, and there are two telescopic rods e3, which are symmetrically distributed up and down, which can speed up the moving speed of the clearing ring e2 and speed up the internal circulation of the air cavity e4. Air diffusion.
  • the cleaning ring e2 is provided with an exhaust hole r1 and a cleaning roller r2, the exhaust hole r1 penetrates both sides of the cleaning ring e2, and the cleaning roller r2 is connected and installed at the center position of the right side of the cleaning ring e2, so
  • the exhaust holes r1 are provided with four, which are symmetrically distributed up and down, which can increase the diffusion area of the airflow, evenly blow and drop the dust retained on the right side of the blocking plate a5, reduce the bearing force of the blocking plate a5, and speed up the blocking plate. The movement speed of a5.
  • the cleaning roller r2 is provided with a roller body t1, a push bar t2, and a cleaning sheet t3, the roller body t1 is arranged in the middle of the cleaning roller r2, and the cleaning sheet t3 is installed on the outer wall of the roller body t1 through the push bar t2, so The outer wall of the cleaning piece t3 is a rough surface, which is helpful for the cleaning piece t3 to fully remove and drop the dust on the right side of the blocking plate a5.
  • the telescopic rod e3 in the clearing block a6 pushes the clearing ring e2 to the right side of the blocking plate a5, and the outer wall of the blocking plate a5 is removed by the clearing piece t3 in the clearing roller r2.
  • the push bar t2 takes the roller body t1 as the fulcrum to drive the removal sheet t3 to vibrate, so that the dust on the outer wall of the removal sheet t3 shakes and falls to the inside of the accumulation chamber s1 for collection, and the removal ring e2 is pushed by the blocking plate a5 to push the telescopic rod e3.
  • the dust removal on the right side of the plate a5 can reduce the accumulation of dust, slow down the gravity of the blocking plate a5, and speed up the up and down movement of the blocking plate a5.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明公开了一种电磁制动三相异步电机，其结构包括底座、机体、轴承，机体水平焊接在底座顶部，轴承衔接安装在机体右端，机体设有转子、定子、风扇、散热孔、阻挡机构，由于煤矿厂中含有大量的煤炭粉尘，电机停止运行时，外部的气流和粉尘沿着散热孔往机体内部通入，通过阻挡机构的阻挡板上下移动与散热孔内底部接触，能够对机体外部的粉尘阻挡，减少粉尘沿着散热孔进入到机体内部，保持风扇外壁整洁，减缓风扇的承受力，能够加快风扇转动速度，加快机体内部的热量扩散，由于粉尘易滞留在阻挡板右侧面，通过清除块中的清除片将阻挡板右侧面的粉尘清除，能够减少粉尘堆积，减缓阻挡板的重力，加快阻挡板上下移动的速度。

Description

一种电磁制动三相异步电机 技术领域
本发明属于电机领域，更具体的说，尤其涉及到一种电磁制动三相异步电机。
背景技术
三相异步电机通过接入380V三相交流电源，使得转子与定子以相同的方向转动从而带动轴承转动，由于电机在工作的时候产生大量的热量，为了加快热量的散发，在机体的背面设有散热孔，使得内部的风扇转动带动热气流往散热孔扩散；现有技术中采用三相异步电机提供动力时，当三相异步电机安装在煤矿厂时，由于煤矿厂中含有大量的煤炭粉尘，电机停止运行时，外部的气流和粉尘沿着散热孔往机体内部通入，且滞留在风扇外壁，导致风扇的承受力加大，而转动速度减慢，致使电机内部的热量扩散减慢。
发明内容
为了解决上述技术采用三相异步电机提供动力时，当三相异步电机安装在煤矿厂时，由于煤矿厂中含有大量的煤炭粉尘，电机停止运行时，外部的气流和粉尘沿着散热孔往机体内部通入，且滞留在风扇外壁，导致风扇的承受力加大，而转动速度减慢，致使电机内部的热量扩散减慢， 本发明提供一种电磁制动三相异步电机。
为了实现上述目的，本发明是通过如下的技术方案来实现：一种电磁制动三相异步电机，其结构包括底座、机体、轴承，所述机体水平焊接在底座顶部，所述轴承衔接安装在机体右端。
所述机体设有转子、定子、风扇、散热孔、阻挡机构，所述转子位于机体内部中心位置，所述轴承贯穿转子两端中部，所述定子安装在转子外壁，所述风扇设在机体右端内部，且与轴承活动配合，所述散热孔贯穿机体右侧内外壁，所述阻挡机构固定在散热孔内顶部。
作为本发明的进一步改进，所述阻挡机构设有框架、拉杆、齿牙杆、齿轮、阻挡板、清除块，所述框架位于阻挡机构外部，所述齿牙杆设置在框架内中部，所述拉杆垂直安装在拉杆顶部与框架顶端内壁之间，所述齿轮衔接安装在框架两侧内壁中部，且与齿牙杆通过齿牙配合，所述阻挡板固定在齿牙杆底端，所述清除块套在框架右侧中下部内壁，所述齿轮设有两个，呈对称分布。
作为本发明的进一步改进，所述阻挡板设有堆积腔、卡槽、弹簧条、磁块，所述堆积腔设置在阻挡板中下部右侧面，所述卡槽凹陷在阻挡板底面，所述磁块套在卡槽内底部，所述弹簧条安装在磁块顶部与卡槽内壁之间，所述阻挡板左侧面为凹凸不平的表面，所述磁块设有三个。
作为本发明的进一步改进，所述堆积腔设有限位块、卡板、连接轴、限位条，所述限位块与堆积腔右端外壁连为一体，所述卡板通过连接轴衔接安装在堆积腔右端内顶部，所述限位条连接在卡板顶部和堆积腔内壁之间，所述卡板顶部表面为凸起的弧面状。
作为本发明的进一步改进，所述清除块设有支撑板、清除环、伸缩杆、气腔，所述支撑板位于清除块右侧，所述清除环通过伸缩杆安装在支撑板左侧，所述气腔设在清除环和支撑板之间，所述伸缩杆设有两个，呈上下对称分布。
作为本发明的进一步改进，所述清除环设有排气孔、清除辊，所述排气孔贯穿清除环两侧表面，所述清除辊衔接安装在清除环右侧面中心位置，所述排气孔设有四个，呈上下对称分布。
作为本发明的进一步改进，所述清除辊设有辊体、推条、清除片，所述辊体设在清除辊中部，所述清除片通过推条安装在辊体外壁，所述清除片外壁为粗糙面。
有益效果
与现有技术相比，本发明具有如下有益效果：
1、由于煤矿厂中含有大量的煤炭粉尘，电机停止运行时，外部的气流和粉尘沿着散热孔往机体内部通入，通过阻挡机构的阻挡板上下移动与散热孔内底部接触，能够对 机体外部的粉尘阻挡，减少粉尘沿着散热孔进入到机体内部，保持风扇外壁整洁，减缓风扇的承受力，能够加快风扇转动速度，加快机体内部的热量扩散。
2、由于粉尘易滞留在阻挡板右侧面，通过清除块中的清除片将阻挡板右侧面的粉尘清除，能够减少粉尘堆积，减缓阻挡板的重力，加快阻挡板上下移动的速度。
附图说明
图1为本发明一种电磁制动三相异步电机的结构示意图。
图2为本发明一种机体侧面剖视的结构示意图。
图3为本发明一种阻挡机构侧面剖视的结构示意图。
图4为本发明一种阻挡板侧面剖视的结构示意图。
图5为本发明一种堆积腔内部侧视的结构示意图。
图6为本发明一种清除块侧面剖视的结构示意图。
图7为本发明一种清除环侧视的结构示意图。
图8为本发明一种清除辊侧视的结构示意图。
图中：底座-1、机体-2、轴承-3、转子-21、定子-22、风扇-23、散热孔-24、阻挡机构-25、框架-a1、拉杆-a2、齿牙杆-a3、齿轮-a4、阻挡板-a5、清除块-a6、堆积腔-s1、卡槽-s2、弹簧条-s3、磁块-s4、限位块-d1、卡板-d2、连接轴-d3、限位条-d4、支撑板-e1、清除环-e2、伸缩杆-e3、气腔-e4、排气孔-r1、清除辊-r2、辊体-t1、推条-t2、清 除片-t3。
具体实施方式
以下结合附图对本发明做进一步描述：
实施例1：
如附图1至附图5所示：
本发明提供一种电磁制动三相异步电机，其结构包括底座1、机体2、轴承3，所述机体2水平焊接在底座1顶部，所述轴承3衔接安装在机体2右端。
所述机体2设有转子21、定子22、风扇23、散热孔24、阻挡机构25，所述转子21位于机体2内部中心位置，所述轴承3贯穿转子21两端中部，所述定子22安装在转子21外壁，所述风扇23设在机体2右端内部，且与轴承3活动配合，所述散热孔24贯穿机体2右侧内外壁，所述阻挡机构25固定在散热孔24内顶部。
其中，所述阻挡机构25设有框架a1、拉杆a2、齿牙杆a3、齿轮a4、阻挡板a5、清除块a6，所述框架a1位于阻挡机构25外部，所述齿牙杆a3设置在框架a1内中部，所述拉杆a2垂直安装在拉杆a2顶部与框架a1顶端内壁之间，所述齿轮a4衔接安装在框架a1两侧内壁中部，且与齿牙杆a3通过齿牙配合，所述阻挡板a5固定在齿牙杆a3底端，所述清除块a6套在框架a1右侧中下部内壁，所述齿轮a4设有两个，呈对称分布，均与齿牙杆a3活动配合， 有利于齿牙杆a3受力均匀，使得阻挡板a5保持同一水平角度，所述拉杆a2设有两个，有利于齿牙杆a3受力均匀，能够加快齿牙杆a3复位速度。
其中，所述阻挡板a5设有堆积腔s1、卡槽s2、弹簧条s3、磁块s4，所述堆积腔s1设置在阻挡板a5中下部右侧面，所述卡槽s2凹陷在阻挡板a5底面，所述磁块s4套在卡槽s2内底部，所述弹簧条s3安装在磁块s4顶部与卡槽s2内壁之间，所述阻挡板a5左侧面为凹凸不平的表面，能够增大阻挡板a5左侧面的受力面积，加快阻挡板a5受到散热孔24扩散的气流的推力上移，所述磁块s4设有三个，能够增大磁块s4与机体2内部磁场产生想排斥的推力，进一步加快阻挡板a5复位速度。
其中，所述堆积腔s1设有限位块d1、卡板d2、连接轴d3、限位条d4，所述限位块d1与堆积腔s1右端外壁连为一体，所述卡板d2通过连接轴d3衔接安装在堆积腔s1右端内顶部，所述限位条d4连接在卡板d2顶部和堆积腔s1内壁之间，所述卡板d2顶部表面为凸起的弧面状，能够减小卡板d2顶部对粉尘的阻力，加快粉尘沿着卡板d2表面流动至堆积腔s1内部。
本实施例的具体使用方式与作用：
本发明中，将电机的机体2与三相的交流电相连接，转子21与定子22通电产生磁力活动配合转动，从而带动 轴承3转动，轴承3带动风扇23转动，使得机体2内部的热气流沿着散热孔24扩散，当电机运行时，阻挡机构25内部的阻挡板a5底部的磁块s4与机体2内部的磁场产生相排斥的推力，和阻挡板a5左侧的凹槽受到气流的推力往上移动，阻挡板a5将齿牙杆a3上推与齿轮a4活动配合，且拉杆a2将齿牙杆a3上拉，加快阻挡板a5的移动速度，阻挡板a5进入到框架a1内部，散热孔24呈畅通状，热气流沿着散热孔24扩散，当电机停止运行时，阻挡板a5受到自身的重力作用将齿牙杆a3往下拉动，阻挡板a5逐渐往下移动与散热孔24内底部贴合，使得散热孔24呈闭合状，能够对粉尘阻挡，减少粉尘进入到机体2内部，粉尘被阻挡在阻挡板a5外壁，阻挡板a5往上移动时，清除块a6将阻挡板a5右侧面的粉尘清除沿着堆积腔s1的卡板d2表面滑落至堆积腔s1内部收集，且限位条d4将卡板d2以连接轴d3为支点拉动与堆积腔s1内壁贴合，对堆积腔s1内部的粉尘阻挡，减少堆积腔s1中的粉尘倒流，且通过限位块d1对卡板d2限位，通过阻挡机构25的阻挡板a5上下移动与散热孔24内底部接触，能够对机体2外部的粉尘阻挡，减少粉尘沿着散热孔24进入到机体2内部，保持风扇23外壁整洁，减缓风扇23的承受力，能够加快风扇23转动速度，加快机体2内部的热量扩散。
实施例2：
如附图6至附图8所示：
其中，所述清除块a6设有支撑板e1、清除环e2、伸缩杆e3、气腔e4，所述支撑板e1位于清除块a6右侧，所述清除环e2通过伸缩杆e3安装在支撑板e1左侧，所述气腔e4设在清除环e2和支撑板e1之间，所述伸缩杆e3设有两个，呈上下对称分布，能够加快清除环e2移动速度，加快气腔e4内部的气流扩散。
其中，所述清除环e2设有排气孔r1、清除辊r2，所述排气孔r1贯穿清除环e2两侧表面，所述清除辊r2衔接安装在清除环e2右侧面中心位置，所述排气孔r1设有四个，呈上下对称分布，能够增大气流的扩散面积，均匀将阻挡板a5右侧面滞留的粉尘吹动掉落，减轻阻挡板a5的承受力，加快阻挡板a5的移动速度。
其中，所述清除辊r2设有辊体t1、推条t2、清除片t3，所述辊体t1设在清除辊r2中部，所述清除片t3通过推条t2安装在辊体t1外壁，所述清除片t3外壁为粗糙面，有利于清除片t3充分将阻挡板a5右侧面的粉尘清除掉落。
本实施例的具体使用方式与作用：
本发明中，阻挡板a5往框架a1内部移动时，清除块a6中的伸缩杆e3将清除环e2往阻挡板a5的右侧面推动，通过清除辊r2中的清除片t3将阻挡板a5外壁的粉尘清除，推条t2以辊体t1为支点带动清除片t3震动，使得清 除片t3外壁的粉尘抖动掉落至堆积腔s1内部收集，且清除环e2受到阻挡板a5的推力将伸缩杆e3推动收缩，使得气腔e4中的气流沿着排气孔r1扩散，气流将滞留在阻挡板a5右侧面未完全掉落的粉尘吹动掉落，通过清除块a6中的清除片t3将阻挡板a5右侧面的粉尘清除，能够减少粉尘堆积，减缓阻挡板a5的重力，加快阻挡板a5上下移动的速度。
利用本发明所述技术方案，或本领域的技术人员在本发明技术方案的启发下，设计出类似的技术方案，而达到上述技术效果的，均是落入本发明的保护范围。

Claims (7)

  1. 一种电磁制动三相异步电机，其结构包括底座(1)、机体(2)、轴承(3)，所述机体(2)水平焊接在底座(1)顶部，所述轴承(3)衔接安装在机体(2)右端，其特征在于：
    所述机体(2)设有转子(21)、定子(22)、风扇(23)、散热孔(24)、阻挡机构(25)，所述转子(21)位于机体(2)内部中心位置，所述轴承(3)贯穿转子(21)两端中部，所述定子(22)安装在转子(21)外壁，所述风扇(23)设在机体(2)右端内部，且与轴承(3)活动配合，所述散热孔(24)贯穿机体(2)右侧内外壁，所述阻挡机构(25)固定在散热孔(24)内顶部。
  2. 根据权利要求1所述的一种电磁制动三相异步电机，其特征在于：所述阻挡机构(25)设有框架(a1)、拉杆(a2)、齿牙杆(a3)、齿轮(a4)、阻挡板(a5)、清除块(a6)，所述框架(a1)位于阻挡机构(25)外部，所述齿牙杆(a3)设置在框架(a1)内中部，所述拉杆(a2)垂直安装在拉杆(a2)顶部与框架(a1)顶端内壁之间，所述齿轮(a4)衔接安装在框架(a1)两侧内壁中部，且与齿牙杆(a3)通过齿牙配合，所 述阻挡板(a5)固定在齿牙杆(a3)底端，所述清除块(a6)套在框架(a1)右侧中下部内壁。
  3. 根据权利要求2所述的一种电磁制动三相异步电机，其特征在于：所述阻挡板(a5)设有堆积腔(s1)、卡槽(s2)、弹簧条(s3)、磁块(s4)，所述堆积腔(s1)设置在阻挡板(a5)中下部右侧面，所述卡槽(s2)凹陷在阻挡板(a5)底面，所述磁块(s4)套在卡槽(s2)内底部，所述弹簧条(s3)安装在磁块(s4)顶部与卡槽(s2)内壁之间。
  4. 根据权利要求3所述的一种电磁制动三相异步电机，其特征在于：所述堆积腔(s1)设有限位块(d1)、卡板(d2)、连接轴(d3)、限位条(d4)，所述限位块(d1)与堆积腔(s1)右端外壁连为一体，所述卡板(d2)通过连接轴(d3)衔接安装在堆积腔(s1)右端内顶部，所述限位条(d4)连接在卡板(d2)顶部和堆积腔(s1)内壁之间。
  5. 根据权利要求2所述的一种电磁制动三相异步电机，其特征在于：所述清除块(a6)设有支撑板(e1)、清除环(e2)、伸缩杆(e3)、气腔(e4)，所述支撑板(e1)位于清除块(a6)右侧，所述清除环(e2)通过伸缩杆(e3)安装在支撑板(e1)左侧，所述气 腔(e4)设在清除环(e2)和支撑板(e1)之间。
  6. 根据权利要求5所述的一种电磁制动三相异步电机，其特征在于：所述清除环(e2)设有排气孔(r1)、清除辊(r2)，所述排气孔(r1)贯穿清除环(e2)两侧表面，所述清除辊(r2)衔接安装在清除环(e2)右侧面中心位置。
  7. 根据权利要求6所述的一种电磁制动三相异步电机，其特征在于：所述清除辊(r2)设有辊体(t1)、推条(t2)、清除片(t3)，所述辊体(t1)设在清除辊(r2)中部，所述清除片(t3)通过推条(t2)安装在辊体(t1)外壁。
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