CN113691099B - High-efficient quick electric permanent magnetism stopper - Google Patents
High-efficient quick electric permanent magnetism stopper Download PDFInfo
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- CN113691099B CN113691099B CN202110897967.4A CN202110897967A CN113691099B CN 113691099 B CN113691099 B CN 113691099B CN 202110897967 A CN202110897967 A CN 202110897967A CN 113691099 B CN113691099 B CN 113691099B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
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Abstract
The invention discloses a high-efficiency and rapid electro-permanent-magnet brake, which comprises a rack, wherein a rotor assembly, a stator assembly and a spring assembly are arranged in the rack, and a first output assembly and a second output assembly are respectively arranged on two sides of the rack; the rotor assembly comprises a rotor block, a rotor fixing plate and a sliding part; the two rotor blocks are symmetrically arranged, the top ends and the bottom ends of the two rotor blocks are respectively connected through two rotor fixing plates, and sliding parts are arranged on the rotor fixing plates and are in sliding connection with the rack through the sliding parts; the stator assembly is arranged between the two movable blocks, and the upper end and the lower end of the stator assembly are respectively fixedly connected with the rack; the spring assembly is located between the inner side face of the rack and the rotor assembly, the first output assembly is fixedly connected with one end of the rotor assembly, the second output assembly is arranged opposite to the first output assembly, and the second output assembly is fixedly connected with one end of the rack. The brake is efficient and quick.
Description
Technical Field
The invention relates to the field of electromechanics, in particular to a high-efficiency and rapid electro-permanent-magnet brake.
Background
As an automatic actuating element for transmitting power and controlling motion in modern industry, an electromagnetic brake is widely applied to the fields of mines, buildings, cranes, transportation, ships and the like due to the advantages of compact structure, quick response, long service life, high reliability, easiness in realizing remote control and the like. The electromagnetic brake realizes the opening and closing actions of the brake by switching on and off the exciting coil, and has the advantages and disadvantages and specific application occasions.
The existing electromagnetic brakes, such as electromagnetic powder brakes, are suitable for driving systems of various machines, the inertia of magnetic powder is extremely small, the response speed is high, the control torque is large, but the magnetic powder can cause part abrasion, the braking power is completely converted into heat energy to be consumed, and the efficiency is low; the electromagnetic eddy current brake is commonly used in machinery with vertical load, is firm and durable, is convenient to maintain, has a large speed regulation range, but has low efficiency and high temperature rise at low speed, and a heat dissipation measure must be taken. The electromagnetic friction type brake has simple structure and high response speed, but the performance of the electromagnetic friction type brake is greatly influenced by friction materials and working temperature. The electromagnetic brake has the advantages that the electromagnetic brake has short service life, is easy to damage, has low braking efficiency, delays and the like for high-power and frequent starting equipment such as mine hoisting equipment, high-speed elevators and the like, easily causes the phenomena of equipment vibration, stagnation and the like, greatly influences the transportation efficiency and reduces the safety.
Disclosure of Invention
The invention aims to solve the problems and provides a high-efficiency and high-speed electro-permanent magnet brake which is simple in structure, high in response speed, free of delay and large in control torque.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a high-efficiency and rapid electric permanent magnet brake comprises a rack, wherein a rotor assembly, a stator assembly and a spring assembly are arranged in the rack, and a first output assembly and a second output assembly are respectively arranged on two sides of the rack; the rotor assembly comprises a rotor block, a rotor fixing plate and a sliding part; the two rotor blocks are symmetrically arranged, the top ends and the bottom ends of the two rotor blocks are respectively connected through two rotor fixing plates, and sliding parts are arranged on the rotor fixing plates and are in sliding connection with the rack through the sliding parts; the stator assembly is arranged between the two movable blocks, and the upper end and the lower end of the stator assembly are respectively fixedly connected with the rack; the spring assembly is located between the inner side face of the rack and the rotor assembly, the first output assembly is fixedly connected with one end of the rotor assembly, the second output assembly is arranged opposite to the first output assembly, and the second output assembly is fixedly connected with one end of the rack.
Further, stator module includes permanent magnet, iron core, coil, and permanent magnet, iron core, coil all set up between two movable block, and the iron core has two and sets up respectively at the upper and lower both ends of permanent magnet, and the iron core outside all twines has the coil, iron core, permanent magnet all with frame fixed connection.
Further, spring unit includes dabber baffle, spring, and dabber baffle, spring all set up between frame medial surface and active cell subassembly, the one end and the frame medial surface fixed connection of dabber baffle, the other end of dabber baffle is provided with the connecting axle, the spring cup joints in the connecting axle outside, and the one end and the dabber baffle of spring contact, and the other end and the active cell piece of spring contact.
Furthermore, the first output assembly and the second output assembly respectively comprise a connecting plate, two lifting lugs, a fixed shaft and a joint bearing, the two lifting lugs are symmetrically arranged on one side of the connecting plate, the other side of the connecting plate is fixedly connected with the rotor block or the rack, a through hole is formed in each lifting lug, the fixed shaft is inserted in the through hole and is connected with one end of the joint bearing through the fixed shaft in a pin shaft mode. The first output assembly is perpendicular to the second output assembly in the mounting direction, and motion output or power output in any direction can be realized.
Furthermore, the frame comprises a left side plate, a right side plate and a bottom plate, the left side plate and the right side plate are symmetrically arranged, two bottom plates are symmetrically arranged at the upper end and the lower end of the left side plate and the right side plate, sliding long holes are formed in the bottom plates, and sliding parts on the rotor fixing plate penetrate through the sliding long holes and can slide along the length direction of the sliding long holes; and a mounting hole is formed in the left side plate, and a connecting plate of the first output assembly penetrates through the mounting hole and then is fixedly connected with the outer side surface of the rotor block.
Further, spring unit sets up between active cell piece and right side inboard side, and spring unit still includes the locating plate, the one end and the active cell piece lateral surface fixed connection of locating plate, the other end of locating plate are provided with the spring positioning groove, and the one end scarf joint of spring is in the spring positioning groove, and the other end and the dabber baffle of spring contact, dabber baffle and right side inboard side fixed connection.
Further, stator module still includes the stator fixed plate, stator fixed plate and permanent magnet, the front and back terminal surface fixed connection of iron core, both ends and two bottom plate fixed connection about the stator fixed plate.
Furthermore, bolt through holes are formed in the left side plate and the right side plate, adjusting bolts are arranged in the bolt through holes, and the two adjusting bolts penetrate through the bolt through holes and then are respectively abutted against the outer side faces of the two rotor blocks.
Furthermore, the rack comprises a cylinder wall and a support plate, and the cylinder wall is connected with the support plate to form a cylindrical barrel with an opening at one end; a sliding rail is arranged on the inner side surface of the cylinder wall and is in sliding connection with a sliding part arranged on the rotor fixing plate through the sliding rail; the permanent magnet and the iron core are fixedly connected with the inner side surface of the cylinder wall; the spring assembly is arranged between the movable block and the support plate, and the mandrel baffle is fixedly connected with the inner side surface of the support plate.
Compared with the prior art, the invention has the advantages and positive effects that:
when the electromagnetic actuator works, the rack is fixed, then the coil is electrified, under the action of electromagnetic force, the rotor block can generate acting force moving towards the direction of the spring, meanwhile, the sliding element and the rack slide, the whole rotor assembly and the first output assembly fixedly connected with the rotor block move towards the direction of the spring assembly, and at the moment, the spring is in a compressed state; when the coil is powered off, the rotor assembly and the first output assembly are restored to the original positions under the action of the spring, and the operation is circulated, so that the electromagnetic actuator works.
In general, the invention
The volume is small, the structure is simple, and the assembly and the disassembly are easy;
due to the special structural design of the permanent magnet, 5 to 10 times of torque or Newton force can be realized under the same condition;
the brake is fast, has no delay and can be frequently used;
the working environment has no requirement, and the high-power elevator can be used for other high-power equipment besides high-power and frequent starting equipment such as mine hoisting equipment, high-speed elevators and the like;
can realize output in any direction andany component is connected. The production efficiency of the electric permanent magnet brake is effectively improved by the characteristics.
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 description of the embodiments or the prior art 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 view of the entire structure of embodiment 1;
FIG. 2 is a view showing a structure of a frame in embodiment 1;
FIG. 3 is a view showing the internal structure of embodiment 1;
FIG. 4 is a schematic view of the entire structure of embodiment 2;
FIG. 5 is a view showing a constitution of a frame in embodiment 2;
fig. 6 is an internal structural view of embodiment 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, should be included in the protection scope of the present invention.
the structure of the frame is shown in figure 2: the device comprises a left side plate 1, a bottom plate 2 and a right side plate 3, wherein the number of the bottom plates 2 is two, and the two bottom plates are respectively arranged at the upper end and the lower end of the left side plate 1 and the right side plate 3; a mounting hole and a bolt through hole are formed in the middle of the left side plate 1, the mounting hole is convenient for mounting the first output assembly, and an adjusting bolt 19 is connected in the bolt through hole to adjust the position of the rotor assembly;
the rotor component comprises two rotor blocks 4, two rotor fixing plates 5 and a sliding block 6, wherein the two rotor blocks 4 are arranged in a bilateral symmetry mode, and the rotor fixing plates 5 are arranged at the upper end and the lower end of the rotor blocks 4 and used for fixing the positions of the rotor blocks 4, so that the distance between the two rotor blocks 4 is fixed.
Eight slide blocks 6 are provided, 4 slide blocks at the upper part are arranged on the upper end surface of the rotor fixing plate 5 at the top end of the rotor block, 4 slide blocks at the lower part are arranged on the lower end surface of the rotor fixing plate 5 at the bottom end of the rotor block 4, and the slide blocks can freely slide in the sliding long holes 201 arranged on the bottom plate 2.
The stator assembly comprises a permanent magnet 7, an iron core 9, a coil 8 and a stator fixing plate 10; the upper end and the lower end of the permanent magnet 7 are provided with iron cores 9 wound with coils 8, and the permanent magnet 7 and the iron cores 9 are positioned between the two movable blocks 4; four stator fixing plates 10 are used for fixing the upper iron core 9, the lower iron core 9 and the permanent magnet 7 into a whole; and finally, the three are integrally fixed on a frame.
The spring assembly comprises a positioning plate 11, a spring 12 and a mandrel baffle plate 13; the positioning plate 11 is fixed on the movable block 4 (right side), and a spring positioning groove is formed in the other side of the positioning plate and used for assisting in positioning a spring; a connecting shaft is arranged on one side of the mandrel baffle 13, and the mandrel baffle 13 is fixed on the inner side of the right side plate 3; one end of the spring 12 is sleeved on the connecting shaft of the mandrel baffle 13, and the other end is placed in the spring positioning groove of the positioning plate 11.
The first output assembly and the second output assembly respectively comprise a connecting plate 14, a lifting lug 15, a fixed shaft 16, a cotter pin 17 and a joint bearing 18; the connecting plate 14 of the first output assembly penetrates through the mounting hole and then is fixedly connected with the rotor block 4 (on the left side), the connecting plate 14 of the second output assembly is fixed on the outer side surface of the right side plate 3, lifting lugs 15 are symmetrically arranged on the connecting plate, a fixed shaft 16 penetrates through the lifting lugs 15 and is in pin connection with a joint bearing 18 through the fixed shaft 16, and a cotter pin 17 penetrates through the fixed shaft 16 to prevent the fixed shaft from falling off the lifting lugs 15.
the structure of the frame is shown in fig. 5: it comprises a cylinder wall 1, a slide rail 2 and a support plate 3; the cylinder wall 1 is cylindrical, the number of the sliding rails 2 is two, the sliding rails are symmetrically arranged on the inner wall of the cylinder wall 1, and the supporting plate 3 is fixed at one end of the cylinder wall 1.
The rotor assembly comprises two rotor blocks 4, two rotor fixing plates 5 and a slide way 6, wherein the two rotor blocks 4 are arranged in bilateral symmetry, and the rotor fixing plates 5 are arranged at the upper end and the lower end of the rotor blocks 4 and used for fixing the positions of the rotor blocks 4 so that the distance between the two rotor blocks 4 is constant.
The slide ways 6 are two, one of which is arranged on the upper end surface of the rotor fixing plate 5 at the top end of the rotor block, and the other is arranged on the lower end surface of the rotor fixing plate 5 at the bottom end of the rotor block 4 and can be matched with the slide rail 2 to slide.
The stator component comprises a permanent magnet 9, an iron core 7 and a coil 8; the upper end and the lower end of the permanent magnet 9 are provided with iron cores 7 wound with coils 8, and the permanent magnet 9 and the iron cores 7 are both positioned between the two movable blocks 4; the permanent magnet 9 and the iron core 7 are fixed on the inner side wall of the cylinder wall 1.
The spring assembly comprises a spring 11 and a mandrel baffle 10; one side of the mandrel baffle plate 10 is provided with a connecting shaft, and the mandrel baffle plate 10 is fixed on the inner side of the support plate 3; one end of the spring 11 is sleeved on the connecting shaft of the mandrel baffle 10, and the other end is connected with the rotor block 4 (on the right).
The first output assembly and the second output assembly respectively comprise a connecting plate 12, a lifting lug 13, a fixed shaft 14 and a joint bearing 15; the connecting plate 12 of the first output assembly is fixedly connected with the rotor block 4 (left side), the connecting plate 12 of the second output assembly is fixed on the outer side surface of the support plate 3, lifting lugs 13 are symmetrically arranged on the connecting plate, and a fixed shaft 14 penetrates through the lifting lugs 13 and is in pin connection with a joint bearing 15 through the fixed shaft 14.
In embodiment 2, a circular housing structure is mainly adopted, which can be used as a frame and also can play a role in protection, thereby reducing the installation of guard railings; compared with other forms of frames, the electric permanent magnet brake has the advantages of higher strength and stability, simple structure, convenience in processing and improvement on the production efficiency of the electric permanent magnet brake.
The stator assembly is fixed on the frame, and a certain gap is arranged between the stator assembly and the left and right rotor blocks 4, namely a left gap and a right gap, which are inconsistent. According to the electromagnetic theory, the generated electromagnetic force is also unequal, and the smaller the gap is, the larger the electromagnetic force is.
When the electromagnetic actuator works, the rack is fixed, then the coil is electrified, under the action of electromagnetic force, the rotor block can generate acting force moving towards the direction of the spring, meanwhile, the sliding element and the rack slide, the whole rotor assembly and the first output assembly fixedly connected with the rotor block move towards the direction of the spring assembly, and at the moment, the spring is in a compressed state; when the coil is powered off, the rotor assembly and the first output assembly recover to the original positions under the action of the spring, and the operation of the electromagnetic actuator is realized by circulating the processes; the invention has simple structure and lower assembly difficulty, thereby effectively improving the production efficiency of the electric permanent magnet brake and bringing convenience to the production work of the electric permanent magnet brake.
Claims (5)
1. The utility model provides a high-efficient quick electric permanent magnet brake, includes the frame, its characterized in that: a rotor assembly, a stator assembly and a spring assembly are arranged in the rack, and a first output assembly and a second output assembly are respectively arranged on two sides of the rack; the rotor assembly comprises a rotor block, a rotor fixing plate and a sliding piece; the two rotor blocks are symmetrically arranged, the top ends and the bottom ends of the two rotor blocks are respectively connected through two rotor fixing plates, and sliding parts are arranged on the rotor fixing plates and are in sliding connection with the rack through the sliding parts; the stator assembly is arranged between the two movable blocks, and the upper end and the lower end of the stator assembly are respectively fixedly connected with the rack; the spring assembly is positioned between the inner side surface of the rack and the rotor assembly, the first output assembly is fixedly connected with one end of the rotor assembly, the second output assembly is arranged opposite to the first output assembly, and the second output assembly is fixedly connected with one end of the rack;
the stator assembly comprises permanent magnets, iron cores and coils, the permanent magnets, the iron cores and the coils are all arranged between the two movable blocks, the number of the iron cores is two, the two iron cores are respectively arranged at the upper end and the lower end of the permanent magnet, the coils are wound on the outer sides of the iron cores, and the iron cores and the permanent magnets are all fixedly connected with the rack;
the spring assembly comprises a mandrel baffle and a spring, the mandrel baffle and the spring are arranged between the inner side surface of the frame and the rotor assembly, one end of the mandrel baffle is fixedly connected with the inner side surface of the frame, the other end of the mandrel baffle is provided with a connecting shaft, the spring is sleeved outside the connecting shaft, one end of the spring is contacted with the mandrel baffle, and the other end of the spring is contacted with the rotor block;
the first output assembly and the second output assembly respectively comprise a connecting plate, lifting lugs, a fixed shaft and a joint bearing, wherein two lifting lugs are symmetrically arranged on one side of the connecting plate, the other side of the connecting plate is fixedly connected with the rotor block or the rack, the lifting lugs are provided with through holes, the fixed shaft is inserted in the through holes and is connected with one end of the joint bearing through a pin shaft; the first output assembly is vertical to the second output assembly in the mounting direction so as to realize motion output in any direction;
the frame comprises a left side plate, a right side plate and a bottom plate, wherein the left side plate and the right side plate are symmetrically arranged, the bottom plate is provided with two bottom plates, the two bottom plates are symmetrically arranged at the upper end and the lower end of the left side plate and the right side plate, sliding long holes are formed in the bottom plates, and sliding parts on the rotor fixing plate penetrate through the sliding long holes and can slide along the length direction of the sliding long holes; and the left side plate is provided with a mounting hole, and the connecting plate of the first output assembly penetrates through the mounting hole and then is fixedly connected with the outer side surface of the rotor block.
2. A high efficiency, fast electric permanent magnet brake as defined in claim 1, wherein: spring unit sets up between active cell piece and right side inboard side, and spring unit still includes the locating plate, the one end and the active cell piece lateral surface fixed connection of locating plate, and the other end of locating plate is provided with the spring positioning groove, and the one end of spring is cup jointed in the spring positioning groove, and the other end and the dabber baffle of spring contact, dabber baffle and right side inboard side fixed connection.
3. A high efficiency, fast electric permanent magnet brake as defined in claim 2, wherein: the stator assembly further comprises a stator fixing plate, the stator fixing plate is fixedly connected with the front end face and the rear end face of the permanent magnet and the front end face and the rear end face of the iron core, and the upper end and the lower end of the stator fixing plate are fixedly connected with the two bottom plates.
4. A high efficiency fast electric permanent magnet brake as recited in claim 3, wherein: and the left side plate and the right side plate are both provided with bolt through holes, adjusting bolts are arranged in the bolt through holes, and the two adjusting bolts are respectively abutted against the outer side surfaces of the two rotor blocks after penetrating through the bolt through holes.
5. A high efficiency, fast electric permanent magnet brake as defined in claim 1, wherein: the rack comprises a cylinder wall and a supporting plate, and the cylinder wall is connected with the supporting plate to form a cylindrical barrel with an opening at one end; a sliding rail is arranged on the inner side surface of the cylinder wall and is in sliding connection with a sliding part arranged on the rotor fixing plate through the sliding rail; the permanent magnet and the iron core are fixedly connected with the inner side surface of the cylinder wall; the spring assembly is arranged between the moving block and the support plate, and the mandrel baffle is fixedly connected with the inner side face of the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897967.4A CN113691099B (en) | 2021-08-05 | 2021-08-05 | High-efficient quick electric permanent magnetism stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897967.4A CN113691099B (en) | 2021-08-05 | 2021-08-05 | High-efficient quick electric permanent magnetism stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113691099A CN113691099A (en) | 2021-11-23 |
| CN113691099B true CN113691099B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110897967.4A Active CN113691099B (en) | 2021-08-05 | 2021-08-05 | High-efficient quick electric permanent magnetism stopper |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4911380B2 (en) * | 2007-03-16 | 2012-04-04 | 日立オートモティブシステムズ株式会社 | Tubular linear motor |
| CN102889192B (en) * | 2011-07-19 | 2015-03-18 | 中国科学院理化技术研究所 | Linear compressor driven by moving magnet type linear oscillation motor |
| CN209982305U (en) * | 2019-04-19 | 2020-01-21 | 李宗懿 | Electromagnetic vibrator |
| CN110880850B (en) * | 2019-11-11 | 2021-01-01 | 华中科技大学 | Stator permanent magnet type moving iron core type spring-free linear oscillation motor |
| CN112600385B (en) * | 2020-12-10 | 2022-04-01 | 华中科技大学 | Stator permanent magnet type moving iron core type linear oscillation motor |
| CN113037051A (en) * | 2021-04-29 | 2021-06-25 | 宁波科达驱动科技有限公司 | Linear motion motor |
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