CN116979739A - Flameproof three-phase asynchronous motor with tightness detection function - Google Patents
Flameproof three-phase asynchronous motor with tightness detection function Download PDFInfo
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- CN116979739A CN116979739A CN202310983006.4A CN202310983006A CN116979739A CN 116979739 A CN116979739 A CN 116979739A CN 202310983006 A CN202310983006 A CN 202310983006A CN 116979739 A CN116979739 A CN 116979739A
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/32—Structural association of asynchronous induction motors with auxiliary mechanical devices, e.g. with clutches or brakes
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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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
-
- 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
- H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
-
- 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
- H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
- H02K7/125—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking magnetically influenced
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses an explosion-proof three-phase asynchronous motor with a tightness detection function, which relates to the technical field of three-phase asynchronous motors.
Description
Technical Field
The invention relates to the technical field of three-phase asynchronous motors, in particular to an explosion-proof three-phase asynchronous motor with a tightness detection function.
Background
The three-phase asynchronous motor is one kind of induction motor, and can be divided into squirrel-cage motor and wound motor according to the rotor structure form of three-phase asynchronous motor, and is a motor powered by simultaneously switching in 380V three-phase AC current, and it can produce turning force by means of the rotating magnetic field of three-phase AC power supply so as to drive machine or equipment to operate.
The three-phase asynchronous motor is widely applied to various fields due to stable performance, but the three-phase asynchronous motor is slowly found to have poor functionality, especially in the field of tightness, and more particularly, coils in the three-phase asynchronous motor are relatively dense in sections compared with the traditional motor, once the problems of leakage and air leakage occur, the internal stator and rotor components are easily damaged, the main working components of the motor are the rotor and the stator, once one of the components is damaged, the motor cannot work normally, so that the motor has certain test on the rotor, the stator and the like, meanwhile, the asynchronous motor is often subjected to larger load due to wider application range of the motor, so that irreversible conditions such as burning loss and the like are often easy to occur to the rotor and the stator, and improvement on the motor is urgent.
Disclosure of Invention
The invention aims to provide an explosion-proof three-phase asynchronous motor with a tightness detection function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the three-phase asynchronous motor comprises a supporting motor shell, a power supply access box is arranged on the supporting motor shell, a three-phase stator is arranged in the supporting motor shell and electrically connected with the power supply access box through wires, a cage-shaped rotor is arranged in the three-phase stator, sealing assemblies are respectively arranged at two ends of the cage-shaped rotor, the cage-shaped rotor is respectively and rotatably connected with the sealing assemblies, an explosion-proof ring is arranged on the supporting motor shell and rotatably connected with the explosion-proof ring, the explosion-proof ring is electrically connected with the power supply access box through wires, an adaptive sliding groove is arranged on the inner wall of the supporting motor shell, a fixed pulling piece is arranged in the adaptive sliding groove and rotatably connected with the adaptive sliding groove, a sliding thread is arranged in the adaptive sliding groove, a movable clamping seat is arranged outside the three-phase stator and is embedded in the sliding thread and is in sliding connection with the sliding thread, the power supply access box can supply power to the three-phase stator to enable the three-phase stator to generate a magnetic field and simultaneously supply power to the cage-shaped rotor to enable the cage-shaped rotor to rotate in the three-phase stator, the sealing assembly seals the cage-shaped rotor to prevent water vapor and the like from entering into the motor supporting shell, meanwhile, in the rotating process of the cage-shaped rotor, the explosion-proof ring can also operate to absorb substances such as scraps therein and store the substances, such as scraps and the like, and prevent the substances such as scraps from entering between the three-phase stator and the cage-shaped rotor, when the asynchronous motor starts or encounters a large load, the three-phase stator can rotate briefly to adapt to the working state of the cage-shaped rotor under the current condition, the problem that the motor is damaged by overload is avoided, meanwhile, in the stable working process of the cage-shaped rotor, the three-phase stator can also return to the initial position, thereby enabling the motor to stably operate.
The cage-shaped rotor comprises a transmission rotating shaft and a transmission rod, wherein the transmission rotating shaft is arranged on the transmission rod, the transmission rotating shaft is positioned in a three-phase stator, the transmission rod is in rotary connection with a supporting motor shell, a cage-shaped electrifying piece is arranged on the transmission rotating shaft, supporting shafts are arranged on the cage-shaped electrifying piece, two ends of each supporting shaft are respectively connected with the transmission rod, the transmission rod is in rotary connection with a sealing component, the sealing component is electrically connected with a power supply access box through a wire, an electrifying electric brush is arranged on the supporting motor shell, the electrifying electric brush is electrically connected with the power supply access box through the wire, after the three-phase stator is electrified, the electrifying electric brush is electrified for the transmission rod, meanwhile, the three-phase stator generates a magnetic field and acts on the transmission rotating shaft, the transmission rotating shaft transmits torsion to the transmission rod, the transmission rod rotates on the supporting motor shell, and the supporting shafts strengthen the supporting force of the transmission rotating shaft, and the cage-shaped electrifies the supporting pieces, so that a closed circuit is generated, and the transmission rotating shaft can rotate.
The sealing assembly comprises a connecting ring, the connecting ring is fixedly connected with a supporting motor shell, a bearing ring is arranged in the connecting ring, the bearing ring is sleeved on the transmission rod and is fixedly connected with the transmission rod, a moving groove is formed in the connecting ring, the bearing ring is embedded into the moving groove and is in sliding contact with the moving groove, a lubricating ball is arranged in the connecting ring and is hinged with the connecting ring, the lubricating ball props against the bearing ring and is in sliding contact with the bearing ring, when the transmission rod rotates under the action of a transmission rotating shaft, the bearing ring rotates along with the transmission rod, the bearing ring rotates on the connecting ring, the moving groove is filled with lubricating oil, and in the rotating process, the lubricating ball rotates along with the transmission rod, so that external water vapor and other substances can be isolated, and the substances are prevented from entering the supporting motor shell and damaging workpieces such as a three-phase stator.
The connecting ring is close to one side of supporting the motor casing and is provided with the detection ring, be provided with along with the swivel in the detection ring, along with swivel and detection ring swivelling joint, along with being provided with the laminating piece on the swivel, laminating piece and transfer line sliding connection, along with being provided with inductive switch on the swivel, along with being provided with the circular telegram shell fragment in the swivel, circular telegram shell fragment supports the laminating piece and in laminating piece sliding connection, detection ring and connecting ring swivelling joint, in the pivoted in-process, the detection ring also detects seal assembly, when the inductive switch in the follow swivel feels when coming outside steam and other substances, substances such as air around it will make inductive switch trigger, inductive switch triggers the back, will supply power for circular telegram shell fragment, will expand after circular telegram shell fragment, inductive switch will transfer current to the power access box simultaneously, accomplish the outage, after carrying out the outage, the transfer line will be pasted to the laminating piece, accomplish the effect of emergency brake.
The explosion-proof ring comprises a supporting ring, an explosion-proof chute is arranged inside a supporting motor shell, the supporting ring is embedded into the explosion-proof chute and is in sliding contact with the explosion-proof chute, a catching groove is formed in the catching ring, a plurality of catching rollers are arranged in the catching groove, each catching roller is respectively and rotatably connected with the catching ring, extrusion teeth are arranged on the catching rollers, a transmission gear is arranged in the catching ring, one side of a transmission rod, which is close to the catching ring, is provided with teeth, teeth on the transmission gear are meshed with teeth on the transmission rod, adjacent catching rollers are meshed through the extrusion teeth, the transmission gear in the supporting ring moves with the transmission rod and drives the inner catching rollers to rotate, the adjacent catching rollers are all rotated through the teeth, so that negative pressure is generated around the explosion-proof ring, the extrusion teeth on the catching rollers are used for crushing, and crushed scraps generated after substances such as internal lubricating oil are driven to lose efficacy or damage are also generated in the explosion-proof chute, and the crushed by the extrusion teeth on the catching rollers are left in the supporting ring.
The explosion-proof device comprises an explosion-proof bin, an explosion-proof filter screen, a crushing rod, a crushing hammer, a crushing spring, a crushing rod, a stirring spring and a crushing hammer, wherein the explosion-proof bin is arranged in the explosion-proof bin, the explosion-proof filter screen and the explosion-proof bin are in a detachable structure, the crushing rod is provided with the crushing hammer, one end of the crushing rod is far away from the crushing hammer and is in rotary connection with the explosion-proof bin, the crushing rod is far away from the extrusion tooth sliding contact on the explosion-proof bin and the catching roller, the stirring spring is in sliding contact with the inner wall of the explosion-proof bin, fragments fall into the explosion-proof bin after crushing, the crushing rod is subjected to stirring of the extrusion pressure difference on the catching roller, so that the crushing rod vibrates, the crushing hammer can drive the crushing hammer to crush substances such as the fragments to avoid the adhesion of the fragments, and the stirring spring can slide in the explosion-proof bin when crushing is performed, and the vibration effect of the crushing hammer is increased.
The motor casing is supported, be provided with response subassembly in the motor casing, response subassembly includes the induction loop, the induction loop cover is at the transfer line and with transfer line sliding connection, be provided with the temperature measurement ring in the induction loop, be provided with micro-gap switch on the temperature measurement ring, micro-gap switch passes through wire and fixed plectrum electric connection, can curl after the fixed plectrum is circular telegram, remove cassette and three-phase stator swivelling joint, when the motor is starting or when meetting great load, the transfer line can produce slight rocking, micro-gap switch will trigger, micro-gap switch will transmit current information to fixed plectrum department, after fixed plectrum received the electric current, will curl, thereby make the adaptation spout break through, thereby three-phase stator drives in the removal cassette enters into the adaptation spout under cage rotor's reaction force, thereby make cage rotor can obtain the buffering.
Be provided with the mounting groove in the adaptation spout, fixed plectrum setting is provided with supporting spring in the mounting groove, supporting spring both ends are supported mounting groove and fixed plectrum respectively, be provided with reset spring in the adaptation spout, reset spring one end embedding adaptation spout is interior and with adaptation spout fixed connection, reset spring keeps away from the stiff end and supports the removal cassette, after fixed plectrum received the electric current, will make fixed plectrum enter into the mounting groove, remove the cassette will with the screw thread meshing in the adaptation spout, thereby make three-phase stator rotate, thereby make cage rotor obtain buffering, thereby reduce the possibility that three-phase stator damaged burns, also make cage rotor obtain sufficient buffering after receiving great load, after the load reduces, three-phase stator will reset under supporting spring's effect.
The motor casing is supported, be provided with radiator unit on the motor casing, radiator unit includes radiator shell and radiator fan, radiator fan sets up and keeps away from output one end at cage rotor, be provided with a plurality of cooling tubes on the radiator shell, every cooling tube respectively with support the laminating of motor casing, be provided with the sense fan leaf on the cooling tube, sense fan leaf and cooling tube swivelling joint, sense fan leaf is close to cooling tube one end and is provided with the water turbine, water turbine and cooling tube swivelling joint, the in-process that the motor goes on working, the transfer line will drive radiator fan and rotate, radiator fan is rotatory, fully cool down the organism, simultaneously under radiator fan's disturbance, the ambient air flows, thereby drive sense fan leaf and rotate, will drive water turbine and rotate after the sense fan leaf is rotatory, water turbine is rotatory so that the rivers flow in the cooling tube, radiator fan also will cool down the coolant liquid of gathering on the radiator casing, thereby send the cooling tube again and cool down to support the motor casing. .
Compared with the prior art, the invention has the following beneficial effects: 1. the motor shell sealing device adopts a sealing self-checking component, can detect the sealing performance of the running motor shell, can timely feed back and lock once the problem of poor sealing occurs, avoids irreversible damage to the three-phase asynchronous motor, and can also prevent the problem of continuous liquid leakage of the motor after timely locking.
2. The invention adopts the explosion-proof component, can make explosion-proof effect on the running three-phase asynchronous motor, can fully avoid the damage to the stator and the rotor caused by foreign matters between the stator and the rotor caused by some foreign matters, even the problem of burst is possible, and can also replace the rotor and the air around the stator in time at the same time, thereby avoiding the burst risk caused by continuous high temperature
3. The invention adopts the structure of stator displacement, can avoid the problem of rotor damage caused by larger load when the motor encounters larger load, and when the load suddenly increases, the rotor can trigger the induction component and simultaneously trigger the internal fixed poking plate, and the stator can move briefly through the reaction force of the rotor, so that the motor is suitable for the current suddenly increased load, and is sufficiently buffered.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the supporting motor housing of the present invention;
FIG. 3 is a schematic diagram of the structure of the matching relationship between the adaptive chute and the stator according to the present invention;
FIG. 4 is a schematic view of the cage rotor structure of the present invention;
FIG. 5 is a schematic view of the internal structure of the detection ring of the present invention;
FIG. 6 is a schematic view of the inner structure of the flameproof ring of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 2 in partial enlarged form A;
FIG. 8 is a schematic diagram of a sensing assembly according to the present invention;
fig. 9 is a schematic view of the internal structure of the radiating pipe of the present invention;
in the figure: 1. supporting a motor casing; 2. a power supply access box; 3. a three-phase stator; 4. a cage rotor; 401. a transmission rotating shaft; 402. a transmission rod; 403. cage-shaped energizing pieces; 404. a support shaft; 5. a seal assembly; 501. a connecting ring; 502. a receiving ring; 503. lubricating the balls; 504. a bonding sheet; 505. an inductive switch; 506. energizing the spring plate; 507. a detection ring; 508. a follower ring; 6. an explosion-proof ring; 601. a support ring; 602. an explosion-proof chute; 603. a catch ring; 604. a catch roller; 605. a transmission gear; 606. an explosion-proof bin; 607. an explosion-proof filter screen; 608. crushing the rod; 609. a crushing hammer; 610. toggle the spring; 7. adapting to the sliding groove; 701. a mounting groove; 702. a support spring; 703. a return spring; 8. moving the clamping seat; 9. fixing the poking plate; 10. energizing the brush; 11. an induction assembly; 1101. an induction ring; 1102. a temperature measuring ring; 1103. a micro-switch; 12. a heat dissipation assembly; 1201. a heat dissipation shell; 1202. a heat radiation fan; 1203. a heat radiating pipe; 1204. a sensing fan blade; 1205. and (5) delivering the water to a turbine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The three-phase asynchronous motor comprises a supporting motor casing 1, a power supply access box 2 is arranged on the supporting motor casing 1, a three-phase stator 3 is arranged in the supporting motor casing 1, the three-phase stator 3 is electrically connected with the power supply access box 2 through wires, a cage-shaped rotor 4 is arranged in the three-phase stator 3, sealing assemblies 5 are respectively arranged at two ends of the cage-shaped rotor 4, the cage-shaped rotor 4 is respectively and rotatably connected with the sealing assemblies 5, an explosion-proof ring 6 is arranged on the supporting motor casing 1, the cage-shaped rotor 4 is rotatably connected with the explosion-proof ring 6, the explosion-proof ring 6 is electrically connected with the power supply access box 2 through wires, an adaptive sliding groove 7 is arranged on the inner wall of the supporting motor casing 1, a fixed pulling piece 9 is arranged in the adaptive sliding groove 7, a movable clamping seat 8 is arranged outside the three-phase stator 3 and embedded in the sliding threads and is slidably connected with the sliding threads, when the motor runs, the power supply access box supplies power to the three-phase stator, so that the three-phase stator generates a magnetic field and simultaneously supplies power to the cage-shaped rotor, the cage-shaped rotor rotates in the three-phase stator, the sealing component seals the cage-shaped rotor, moisture and the like are prevented from entering the motor supporting shell, meanwhile, in the rotating process of the cage-shaped rotor, the explosion-proof ring also runs, substances such as fragments and the like in the cage-shaped rotor are absorbed and stored, the substances such as fragments and the like are prevented from entering between the three-phase stator and the cage-shaped rotor, when the asynchronous motor starts or encounters a large load, the three-phase stator rotates briefly, so that the current working state of the cage-shaped rotor is adapted, the problem that the motor is damaged by overload is avoided, and meanwhile, in the stable working process of the cage-shaped rotor, the three-phase stator will also return to the original position, thus allowing the motor to run stably.
The cage rotor 4 comprises a transmission rotating shaft 401 and a transmission rod 402, the transmission rotating shaft 401 is arranged on the transmission rod 402, the transmission rotating shaft 401 is located in the three-phase stator 3, the transmission rod 402 is in rotary connection with the supporting motor shell 1, cage-shaped electrifying pieces 403 are arranged on the transmission rotating shaft 401, supporting shafts 404 are arranged on the cage-shaped electrifying pieces 403, two ends of each supporting shaft 404 are respectively connected with the transmission rod 402, the transmission rod 402 is in rotary connection with the sealing component 5, the sealing component 5 is electrically connected with the power access box 2 through a wire, an electrifying electric brush 10 is arranged on the supporting motor shell 1, the electrifying electric brush 10 is electrically connected with the power access box 2 through a wire, after the three-phase stator is electrified, the three-phase stator generates a magnetic field for the transmission rod, and acts on the transmission rotating shaft, the transmission rotating shaft transmits torsion to the transmission rod, the transmission rod rotates on the supporting motor shell, the supporting shafts strengthen the supporting force of the transmission rotating shaft, and the cage-shaped electrifying pieces electrify, thereby generating a closed circuit, and enabling the transmission rotating shaft to rotate.
The seal assembly 5 comprises a connecting ring 501, the connecting ring 501 is fixedly connected with the supporting motor shell 1, a bearing ring 502 is arranged in the connecting ring 501, the bearing ring 502 is sleeved on the transmission rod 402 and is fixedly connected with the transmission rod 402, a movable groove is formed in the connecting ring 501, the bearing ring 502 is embedded into the movable groove and is in sliding contact with the movable groove, a lubricating ball 503 is arranged in the connecting ring 501, the lubricating ball 503 is hinged with the connecting ring 501, the lubricating ball 503 props against the bearing ring 502 and is in sliding contact with the bearing ring 502, when the transmission rod rotates under the action of a transmission rotating shaft, the bearing ring rotates along with the transmission rod, the bearing ring rotates on the connecting ring, the movable groove is filled with lubricating oil, and in the rotating process, the lubricating ball rotates along with the transmission rod, so that external water vapor and other substances can be isolated, and the like can be prevented from entering the supporting motor shell, and damage to workpieces such as a three-phase stator can be avoided.
The connecting ring 501 is provided with the detection ring 507 near one side of supporting the motor casing 1, be provided with along with the swivel 508 in the detection ring 507, along with swivel 508 and detection ring 507 swivelling joint, along with be provided with laminating piece 504 on the swivel 508, laminating piece 504 and transfer line 402 sliding contact, laminating piece 504 and along with swivel 508 sliding connection, be provided with inductive switch 505 on the swivel 508, be provided with circular telegram shell fragment 506 along with swivel 508, circular telegram shell fragment 506 supports laminating piece 504 and in laminating piece 504 sliding connection, detection ring 507 and connecting ring 501 swivelling joint, in the pivoted in-process, the detection ring also detects seal assembly, when the inductive switch in the swivel is felt outside steam and other substances, substances such as air around it will make inductive switch trigger, after the inductive switch triggers, will be for circular telegram shell fragment, will expand after the circular telegram shell fragment is circular telegram, inductive switch will transmit the electric current to the power access box simultaneously, accomplish the outage, after the outage, the laminating of emergency brake is accomplished to the piece.
The explosion-proof ring 6 comprises a supporting ring 601, an explosion-proof sliding groove 602 is formed in the supporting motor shell 1, the supporting ring 601 is embedded into the explosion-proof sliding groove 602 and is in sliding contact with the explosion-proof sliding groove 602, a capturing groove is formed in the capturing ring 603, a plurality of capturing rollers 604 are arranged in the capturing groove, each capturing roller 604 is respectively and rotatably connected with the capturing ring 603, extrusion teeth are arranged on the capturing rollers 604, a transmission gear 605 is arranged in the capturing ring 603, teeth are arranged on one side of the transmission rod 402, which is close to the capturing ring 603, are meshed with teeth on the transmission gear 605, adjacent capturing rollers 604 are meshed with the transmission gears in the supporting ring through the extrusion teeth, the transmission gears in the supporting ring and the transmission rod move and drive the internal capturing rollers to rotate, and the adjacent capturing rollers are all rotated through the teeth, so that negative pressure is generated around the explosion-proof ring, and at the same time, scraps generated after substances such as internal lubricating oil are driven to lose efficacy or damage are increased, are crushed by the extrusion teeth on the capturing rollers, and the crushed scraps are left in the supporting ring.
The explosion-proof ring 6 is internally provided with the explosion-proof bin 606, be provided with explosion-proof filter screen 607 in the explosion-proof bin 606, explosion-proof filter screen 607 and explosion-proof bin 606 position detachable construction, smash pole 608 in the explosion-proof bin 606, smash pole 608 is last to be provided with crushing hammer 609, crushing pole 608 keeps away from crushing hammer 609 one end and explosion-proof ring 6 swivelling joint, crushing pole 608 keeps away from explosion-proof ring 6 one end and catches the extrusion tooth sliding contact on the roller 604, be provided with on the crushing pole 608 and stir spring 610, stir spring 610 and explosion-proof bin 606 inner wall sliding contact, smash the back piece and will drop in the explosion-proof bin, smash the pole and will receive the stirring of the extrusion pressure difference on the roller to make the crushing pole shake, smash the pole and will drive crushing hammer and shake, smash the hammer to these clastic equisubstance and avoid its bonding, and stir the spring and will slide in the explosion-proof bin when smashing, can get rid of the impurity of adhesion on the explosion-proof bin inner wall, the vibration effect of smashing hammer has also been increased simultaneously.
The motor casing 1 is supported and is internally provided with the sensing assembly 11, the sensing assembly 11 comprises a sensing ring 1101, the sensing ring 1101 is sleeved on the transmission rod 402 and is in sliding connection with the transmission rod 402, a temperature measuring ring 1102 is arranged in the sensing ring 1101, a micro switch 1103 is arranged on the temperature measuring ring 1102, the micro switch 1103 is electrically connected with a fixed shifting plate 9 through a wire, the fixed shifting plate 9 can be curled after being electrified, a movable clamping seat 8 is rotationally connected with a three-phase stator 3, when the motor is started or encounters a large load, the transmission rod can slightly shake, the micro switch can be triggered, the micro switch can transmit current information to the fixed shifting plate, after the fixed shifting plate receives current, the micro switch can curl, so that an adaptive sliding groove is opened, and the three-phase stator drives the movable clamping seat to enter the adaptive sliding groove under the reactive force of the cage-shaped rotor, so that the cage-shaped rotor can be buffered.
The installation groove 701 is arranged in the adaptation sliding groove 7, the fixed pulling piece 9 is arranged in the installation groove 701, the supporting spring 702 is arranged in the installation groove 701, two ends of the supporting spring 702 respectively support against the installation groove 701 and the fixed pulling piece 9, the reset spring 703 is arranged in the adaptation sliding groove 7, one end of the reset spring 703 is embedded into the adaptation sliding groove 7 and fixedly connected with the adaptation sliding groove 7, the reset spring 703 is far away from the fixed end and supports against the movable clamping seat 8, after the fixed pulling piece receives current, the fixed pulling piece enters into the installation groove, the movable clamping seat is meshed with threads in the adaptation sliding groove, so that the three-phase stator rotates, the cage-shaped rotor is buffered, the possibility of burning loss of the three-phase stator is reduced, the cage-shaped rotor is sufficiently buffered after the load is reduced, and the three-phase stator is reset under the action of the supporting spring.
The motor casing 1 is supported and is provided with the radiating component 12, the radiating component 12 includes radiating shell 1201 and radiator fan 1202, radiator fan 1202 sets up and keeps away from output one end at cage rotor 4, be provided with a plurality of cooling tubes 1203 on the radiating shell 1201, every cooling tube 1203 is laminated with supporting motor casing 1 respectively, be provided with the sense fan 1204 on the cooling tube 1203, sense fan 1204 and cooling tube 1203 swivelling joint, sense fan 1204 is close to cooling tube 1203 one end and is provided with the water supply turbine 1205, water supply turbine 1205 and cooling tube 1203 swivelling joint, in the in-process that the motor goes on working, the transfer line will drive radiator fan and rotate, radiator fan is rotatory, fully cool down the organism, simultaneously under radiator fan's disturbance, ambient air flows, thereby drive sense fan leaf and rotate, will drive water supply turbine and rotate after sense fan rotation, water supply turbine is rotatory so that the rivers flow in the cooling tube, radiator fan also will cool down the coolant liquid that gathers on the radiating shell, thereby send the cooling tube again and support the shell.
The working principle of the invention is as follows: when the motor operates, after the power supply access box 2 receives power, the three-phase stator 3 is distributed and supplied with power, the three-phase stator 3 generates a magnetic field, the electrified brush 10 supplies power to the cage-shaped rotor 4, a closed circuit is formed in the cage-shaped rotor 4, the cage-shaped rotor 4 rotates in the three-phase stator 3, the bearing ring 502 rotates along with the transmission rod 402, the bearing ring 502 rotates in the connecting ring 501, the internal lubrication balls 503 and lubricating oil can block external water vapor and air, the external lubrication balls and lubricating oil are prevented from entering the supporting motor shell 1, the detection ring 507 monitors the performance of the sealing assembly at any time, the lamination sheet 504 is ready to lock the cage-shaped rotor 4 at any time, accidents are avoided to happen continuously, and meanwhile, in the rotating process of the cage-shaped rotor 4, the transmission rod 502 will also drive the transmission gear 605 to rotate, absorb the substances such as the scraps therein, send into the explosion-proof bin 606, be smashed by the smashing hammer 609, and store, avoid these substances such as scraps to enter between the three-phase stator 3 and the cage rotor 4, when the asynchronous motor starts or encounters a heavy load, the micro switch 1103 inside the induction ring 1101 will feel the deformation and vibration of the cage rotor 4, thereby making the fixed pulling sheet 9 shrink, the three-phase stator 3 will rotate briefly and be supported by the reset spring 703, thereby adapting to the working state of the cage rotor 4 in the current situation, avoiding the problem of damaging the motor due to overload, and simultaneously, in the process of stable operation of the cage rotor 4, the three-phase stator 3 will also return to the initial position, thereby making the motor stably operate.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An explosion-proof three-phase asynchronous motor with leakproofness detects function, its characterized in that: this three-phase asynchronous motor includes supports motor casing (1), be provided with power access box (2) on supporting motor casing (1), be provided with three-phase stator (3) in supporting motor casing (1), three-phase stator (3) are through wire and power access box (2) electric connection, be provided with cage rotor (4) in three-phase stator (3), cage rotor (4) both ends are provided with seal assembly (5) respectively, cage rotor (4) respectively with seal assembly (5) swivelling joint, be provided with explosion-proof ring (6) on supporting motor casing (1), cage rotor (4) and explosion-proof ring (6) swivelling joint, explosion-proof ring (6) are through wire and power access box (2) electric connection, be provided with adaptation spout (7) on supporting motor casing (1) inner wall, be provided with fixed plectrum (9) in adaptation spout (7), be provided with sliding connection in adaptation spout (7) respectively, sliding connection is provided with three-phase card screw thread (3) and sliding seat (8) are set up to screw thread and sliding connection.
2. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 1, characterized in that: the cage rotor (4) comprises a transmission rotating shaft (401) and a transmission rod (402), the transmission rotating shaft (401) is arranged on the transmission rod (402), the transmission rotating shaft (401) is located in a three-phase stator (3), the transmission rod (402) is rotatably connected with a supporting motor shell (1), a cage electrifying sheet (403) is arranged on the transmission rotating shaft (401), a supporting shaft (404) is arranged on the cage electrifying sheet (403), two ends of the supporting shaft (404) are respectively connected with the transmission rod (402), the transmission rod (402) is rotatably connected with a sealing assembly (5), the sealing assembly (5) is electrically connected with a power supply access box (2) through a wire, an electrifying brush (10) is arranged on the supporting motor shell (1), and the electrifying brush (10) is electrically connected with the power supply access box (2) through the wire.
3. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 2, characterized in that: seal assembly (5) are including go-between (501), go-between (501) and support motor casing (1) fixed connection, be provided with in go-between (501) and accept ring (502), accept ring (502) cover on transfer line (402) and with transfer line (402) fixed connection, be provided with in go-between (501) and remove the recess, accept ring (502) embedding and remove the recess sliding contact, be provided with lubricated ball (503) in go-between (501), lubricated ball (503) are articulated with go-between (501), lubricated ball (503) support accept ring (502) and with accept ring (502) sliding contact.
4. The explosion-proof three-phase asynchronous motor with the tightness detection function according to claim 3, wherein: the utility model provides a motor casing (1) is supported to go-between (501), one side that is close to supporting motor casing (1) is provided with detection ring (507), be provided with along with swivel (508) in detection ring (507), along with swivel (508) and detection ring (507) swivelling joint, be provided with laminating piece (504) on along with swivel (508), laminating piece (504) and transfer line (402) sliding contact, be provided with inductive switch (505) on along with swivel (508), along with being provided with circular telegram shell fragment (506) in swivel (508), circular telegram shell fragment (506) support laminating piece (504) and in laminating piece (504) sliding connection, detection ring (507) and go-between (501) swivelling joint.
5. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 1, characterized in that: the explosion-proof ring (6) comprises a supporting ring (601), an explosion-proof sliding groove (602) is formed in the supporting motor shell (1), the supporting ring (601) is embedded into the explosion-proof sliding groove (602) and is in sliding contact with the explosion-proof sliding groove (602), a catching groove is formed in the catching ring (603), a plurality of catching rollers (604) are arranged in the catching groove, each catching roller (604) is respectively and rotatably connected with the catching ring (603), extrusion teeth are arranged on the catching rollers (604), a transmission gear (605) is arranged in the catching ring (603), teeth on one side of the transmission rod (402) close to the catching ring (603) are meshed with teeth on the transmission gear (605), and the adjacent catching rollers (604) are meshed through the extrusion teeth.
6. The explosion-proof three-phase asynchronous motor with the tightness detection function according to claim 5, wherein the explosion-proof three-phase asynchronous motor is characterized in that: explosion-proof storehouse (606) are arranged in explosion-proof ring (6), be provided with explosion-proof filter screen (607) in explosion-proof storehouse (606), explosion-proof filter screen (607) can dismantle the structure with explosion-proof storehouse (606) position, smash pole (608) in explosion-proof storehouse (606), be provided with on smashing pole (608) and smash hammer (609), smash pole (608) are kept away from smash hammer (609) one end and explosion-proof ring (6) swivelling joint, smash pole (608) are kept away from explosion-proof ring (6) one end and are caught extrusion tooth sliding contact on roller (604), be provided with on smashing pole (608) and stir spring (610), stir spring (610) and explosion-proof storehouse (606) inner wall sliding contact.
7. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 2, characterized in that: the motor is characterized in that an induction component (11) is arranged in the supporting motor shell (1), the induction component (11) comprises an induction ring (1101), the induction ring (1101) is sleeved on the transmission rod (402) and is in sliding connection with the transmission rod (402), a temperature measuring ring (1102) is arranged in the induction ring (1101), a micro switch (1103) is arranged on the temperature measuring ring (1102), the micro switch (1103) is electrically connected with a fixed pulling piece (9) through a wire, the fixed pulling piece (9) can be curled after being electrified, and the movable clamping seat (8) is in rotary connection with the three-phase stator (3).
8. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 1, characterized in that: be provided with mounting groove (701) in adaptation spout (7), fixed plectrum (9) set up in mounting groove (701), be provided with supporting spring (702) in mounting groove (701), supporting spring (702) both ends support mounting groove (701) and fixed plectrum (9) respectively, be provided with reset spring (703) in adaptation spout (7), reset spring (703) one end embedding adaptation spout (7) in and with adaptation spout (7) fixed connection, reset spring (703) keep away from the stiff end and support and remove cassette (8).
9. The flameproof three-phase asynchronous motor with the tightness detection function according to claim 1, characterized in that: support and be provided with radiator unit (12) on motor casing (1), radiator unit (12) are including radiator unit (1201) and radiator fan (1202), radiator fan (1202) set up and keep away from output one end at cage rotor (4), be provided with a plurality of cooling tubes (1203) on radiator unit (1201), every cooling tube (1203) laminate with support motor casing (1) respectively, be provided with on cooling tube (1203) and feel fan blade (1204), feel fan blade (1204) and cooling tube (1203) swivelling joint, it is provided with water turbine (1205) to feel fan blade (1204) to be close to cooling tube (1203) one end, water turbine (1205) and cooling tube (1203) swivelling joint.
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| CN202310983006.4A CN116979739B (en) | 2023-08-07 | 2023-08-07 | Flameproof three-phase asynchronous motor with tightness detection function |
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| CN202310983006.4A CN116979739B (en) | 2023-08-07 | 2023-08-07 | Flameproof three-phase asynchronous motor with tightness detection function |
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