阅读说明：本技术 一种交流制动器磁轭 (Magnetic yoke of alternating-current brake ) 是由 梅裕裔 汪为晋 张慧娟 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种交流制动器磁轭,所述磁轭包括安装槽一、轴套、出线套、隔板、卡口、安、铁芯块、铁芯、安装槽二、固定罩、活动罩、线圈、磁轭外壳,磁轭外壳为圆形结构,磁轭外壳靠轴套一侧的中间位置固定连接有隔板,磁轭外壳上靠近轴套的外侧和隔板内侧的边缘位置设置有台阶,磁轭外壳上位于两个台阶之间的位置开设有安装槽一,磁轭外壳的外边缘固定连接有固定罩,固定罩的中间处开设有滑槽,滑槽中滑动连接有活动罩,活动罩的顶部与压力弹簧相抵接,活动罩的一侧设置有固定板,活动罩能够在不影响交流制动器工作的情况下起到挡尘的作用,隔板和固定罩之间为空心结构,既减少所需材料,又加强了交流制动器的散热能力。(The invention discloses a magnetic yoke of an alternating current brake, which comprises a first mounting groove, a shaft sleeve, a wire outlet sleeve, a partition plate, a bayonet, a safety, an iron core block, an iron core, a second mounting groove, a fixed cover, a movable cover, a coil and a magnetic yoke shell, wherein the magnetic yoke shell is of a circular structure, the partition plate is fixedly connected at the middle position of one side of the magnetic yoke shell close to the shaft sleeve, steps are arranged at the outer side of the magnetic yoke shell and the edge position of the inner side of the partition plate, the first mounting groove is arranged at the position between the two steps, the fixed cover is fixedly connected at the outer edge of the magnetic yoke shell, a sliding groove is arranged at the middle position of the fixed cover, the movable cover is connected in a sliding manner in the sliding groove, the top of the movable cover is abutted against a pressure spring, a fixed plate is arranged at one side of the movable cover, the, the required material is reduced, and the heat dissipation capacity of the alternating current brake is enhanced.)

1. An alternating current brake magnet yoke comprises a magnet yoke (1), an armature plate I (2), a friction plate (3), a brake disc (4), an armature plate II (5), a release bracket (6) and a release handle (7), and is characterized in that the magnet yoke (1) comprises a mounting groove I (102), a shaft sleeve (103), a wire outlet sleeve (104), a partition plate (105), a bayonet (106), a mounting hole I (107), a mounting hole II (108), a mounting hole III (109), an iron core block (110), a mounting hole IV (111), an iron core (112), a mounting groove II (113), a fixed cover (114), a movable cover (115), a coil (116) and a magnet yoke shell (117), the magnet yoke shell (117) is of a circular structure, a boss (118) is arranged in the middle of the surface of one side of the magnet yoke shell (117), and a shaft hole (101) is formed in the center of the magnet yoke, the edge of the other side of the magnetic yoke shell (117) close to the shaft hole (101) is fixedly connected with a shaft sleeve (103), the middle position of the magnetic yoke shell (117) close to one side of the shaft sleeve (103) is fixedly connected with a partition plate (105), the edge positions of the magnetic yoke shell (117) close to the outer side of the shaft sleeve (103) and the inner side of the partition plate (105) are provided with steps (119), the position of the magnetic yoke shell (117) between the two steps (119) is provided with a first mounting groove (102), the outer edge of the magnetic yoke shell (117) is fixedly connected with a fixed cover (114), the middle position of the fixed cover (114) is provided with a sliding groove (120), four limiting columns (122) are arranged in the sliding groove (120), the four limiting columns (122) are distributed at equal intervals, pressure springs (121) are sleeved on the four limiting columns (122), and a movable cover (115), the top and pressure spring (121) looks butt of activity cover (115), one side of activity cover (115) is provided with fixed plate (123), be hollow structure between baffle (105) and the fixed cover (114), install core piece (110) in mounting groove (102), six iron core (112) of one side fixedly connected with of core piece (110), six iron core (112) equidistance distributes, iron core (112) are fan-shaped structure, are provided with mounting groove two (113) between two adjacent iron core (112), coil (116) have been cup jointed on iron core (112).

2. An alternating current brake yoke as claimed in claim 1, wherein three first mounting holes (107) are formed in the middle of the boss (118), the three first mounting holes (107) are equidistantly distributed, two third mounting holes (109) are formed in both sides of the edge of the yoke housing (117), three second mounting holes (108) are formed in the edge of the yoke housing (117), and the three second mounting holes (108) are equidistantly distributed.

3. An alternating current brake yoke as claimed in claim 1, wherein a bayonet (106) is formed on one side of the partition plate (105), slide rails are arranged on two sides of the bayonet (106), an outlet sleeve (104) is slidably connected to the bayonet (106), and a plurality of through holes are formed in the outlet sleeve (104) and are distributed at equal intervals.

4. An alternating current brake yoke according to claim 1, characterized in that a release bracket (6) is mounted on the top of the yoke housing (117), the release bracket (6) is in a semicircular structure, a release handle (7) is screwed on one side of the release bracket (6), an armature (8) is arranged on the bottom of the iron core (112), a first armature plate (2) is arranged on the bottom of the armature (8), two friction plates (3) are arranged on the bottom of the first armature plate (2), a brake disc (4) is mounted between the two friction plates (3), a second armature plate (5) is arranged on the bottom of the friction plate (3) below, a first bolt is mounted in the mounting hole III (109), the first bolt tightly connects the yoke housing (117), the release bracket (6) and the first armature plate (2), and a first adjusting nut is mounted on the first bolt at a position between the yoke housing (117) and the first armature plate (2), the position that lies in between yoke shell (117) and adjusting nut on the bolt is cup jointed spring one, install bolt two in mounting hole two (108), bolt two is with yoke shell (117), armature plate one (2) and armature plate two (5) fastening connection, adjusting nut two is installed to the position that lies in between yoke shell (117) and armature plate one (2) on the bolt two, the position that lies in between adjusting nut two and armature plate one (2) on the bolt two has cup jointed spring two.

5. An alternating current brake yoke as claimed in claim 1, characterized in that the mounting groove two (113) is filled with epoxy resin at a position between two adjacent coils (116).

6. An alternating current brake yoke as defined in claim 4, characterized in that a third bolt is mounted in the first mounting hole (107), said third bolt fastens the yoke housing (117) and the core block (110).

7. An ac brake yoke as claimed in any one of claims 1 to 6, characterised in that the ac brake is operated by:

when the alternating current brake is in a normal working state, the coil (116) is kept in a power-on state, strong magnetic force is generated on the iron core (112), the armature (8) is adsorbed and moves upwards, the armature plate I (2) moves upwards along with the armature (8), and a gap is generated between the friction plate (3) and the brake disc (4), so that the rotating piece can work normally; when the alternating-current brake needs braking, the coil (116) is powered off instantly, the magnetic force on the iron core (112) disappears, the first armature plate (2) moves downwards to extrude the friction plates (3) under the counterforce of the spring, the two friction plates (3) generate braking force on the brake disc (4), and the rotating piece stops rotating slowly; the fixed cover (114) and the movable cover (115) are arranged at the edge of the magnetic yoke shell (117), and when the magnetic yoke works, the movable cover (115) is abutted against the armature plate I (2) under the action force of the pressure spring (121).

Technical Field

The invention relates to the technical field of alternating current brake parts, in particular to a magnetic yoke of an alternating current brake.

Background

The electromagnetic brake is a connector for transmitting the torque force of the driving side to the driven side, can be freely combined, separated or braked according to requirements, and has the advantages of compact structure, simplicity in operation, sensitivity in response, long service life, reliability in use, easiness in realizing remote control and the like.

The invention patent with the patent number CN105485221A discloses a novel alternating current power-off brake, which comprises a main board, wherein a magnetic yoke assembly is arranged on the main board, an armature assembly is arranged on the right side of the magnetic yoke assembly, a compression spring is arranged between the magnetic yoke assembly and the armature assembly, a brake disc assembly is arranged on the right side of the armature assembly, a motor end cover is arranged on the right side of the brake disc assembly, a fork-shaped release wrench is further arranged on the left side of the main board, a screw hole is processed on the armature assembly, a release screw is arranged in the magnetic yoke assembly, one end of the release screw is connected to the fork-shaped release wrench, the other end of the release screw is screwed into the screw hole on the armature assembly, a first screw hole is processed on the top of the fork-shaped release wrench, a telescopic piece is arranged in the first screw hole, and a release handle is arranged on the telescopic piece. The automation degree and the safety factor of the use are improved; however, in the structure of the ac brake, the yoke assembly of the yoke machine is in an open state, so that the armature and the coil are easy to adsorb dust and small metal particles in a strong magnetic force state, and the working effect of the ac brake is affected.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a magnetic yoke of an alternating-current brake, a movable cover can play a role in blocking dust under the condition that the work of the alternating-current brake is not influenced, and a hollow structure is arranged between a partition plate and a fixed cover, so that the required materials are reduced, and the heat dissipation capacity of the alternating-current brake is enhanced.

The purpose of the invention can be realized by the following technical scheme:

an alternating current brake magnetic yoke comprises a magnetic yoke, a first armature plate, a friction plate, a brake disc, a second armature plate, a release bracket and a release handle, wherein the magnetic yoke comprises a first mounting groove, a shaft sleeve, a wire outlet sleeve, a partition plate, a bayonet, a first mounting hole, a second mounting hole, a third mounting hole, a fourth iron core block, an iron core, a second mounting groove, a fixed cover, a movable cover, a coil and a magnetic yoke shell, the magnetic yoke shell is of a circular structure, a boss is arranged in the middle of the surface of one side of the magnetic yoke shell, a shaft hole is formed in the center of the magnetic yoke shell, the edge, close to the shaft hole, of the other side of the magnetic yoke shell is fixedly connected with the shaft sleeve, the partition plate is fixedly connected with the middle of one side of the shaft sleeve, steps are arranged at the edge positions, close to the outer side of the shaft sleeve, the utility model discloses a magnetic yoke, including yoke shell, fixed cover, spout, baffle, mounting groove, mounting plate, baffle and fixed cover, the fixed cover of outward flange fixedly connected with of yoke shell, the spout has been seted up to the centre department of fixed cover, be provided with four spacing posts in the spout, four spacing post equidistance distributes, four pressure spring has been cup jointed on the spacing post, sliding connection has the movable cover in the spout, the top and the pressure spring looks butt of movable cover, one side of movable cover is provided with the fixed plate, be hollow structure between baffle and the fixed cover, install the iron core piece in the mounting groove one, six iron cores of one side fixedly connected with of iron core piece, six the iron core equidistance distributes, the iron core is fan-shaped structure.

As a further scheme of the invention: the middle position of the boss is provided with three first mounting holes, the three first mounting holes are distributed at equal intervals, two third mounting holes are formed in two sides of the edge of the magnetic yoke shell, three second mounting holes are formed in the edge of the magnetic yoke shell, and the three second mounting holes are distributed at equal intervals.

As a further scheme of the invention: the improved wire outlet device is characterized in that a bayonet is formed in one side of the partition plate, slide rails are arranged on two sides of the bayonet, a wire outlet sleeve is connected onto the bayonet in a sliding mode, and a plurality of through holes are formed in the wire outlet sleeve and distributed at equal intervals.

As a further scheme of the invention: the release bracket is installed at the top of the magnetic yoke shell and is of a semicircular structure, a release handle is connected to one side of the release bracket through threads, an armature is arranged at the bottom of the iron core, a first armature plate is arranged at the bottom of the armature plate, two friction plates are arranged at the bottom of the first armature plate, a brake disc is installed between the two friction plates, a second armature plate is arranged at the bottom of the friction plate below the first armature plate, a first bolt is installed in a mounting hole III, the first bolt tightly connects the magnetic yoke shell, the release bracket and the first armature plate, a first adjusting nut is installed at a position, between the first bolt and the first yoke shell, a first spring is sleeved at a position, between the first adjusting nut and the first bolt, a second bolt is installed in the mounting hole II, and the second bolt tightly connects the magnetic yoke shell, the first armature plate and the second armature plate, and a second adjusting nut is arranged at the position, between the second magnetic yoke shell and the first armature plate, on the second bolt, and a second spring is sleeved at the position, between the second adjusting nut and the first armature plate, on the second bolt.

As a further scheme of the invention: and epoxy resin is filled in the position, located between two adjacent coils, in the second mounting groove.

As a further scheme of the invention: and a third bolt is arranged in the first mounting hole and is used for fixedly connecting the magnet yoke shell and the iron core block.

As a further aspect of the present invention, the ac brake operating method includes:

when the alternating-current brake is in a normal working state, the coil is kept in a power-on state, strong magnetic force is generated on the iron core, the armature is adsorbed and moves upwards, the armature plate moves upwards along with the armature, and a gap is generated between the friction plate and the brake disc, so that the rotating piece can work normally; when the alternating-current brake needs braking, the coil is powered off instantly, the magnetic force on the iron core disappears, the armature plate moves downwards to extrude the friction plates under the counter-acting force of the spring, the two friction plates generate braking force on the brake disc, and the rotating piece stops rotating slowly; the fixed cover and the movable cover are arranged at the edge of the magnetic yoke shell, and when the magnetic yoke works, the movable cover is abutted against the armature plate under the action force of the pressure spring.

The invention has the beneficial effects that:

1. fixed cover and movable cover set up the edge at the yoke shell, and at the during operation, the movable cover is under compression spring's effort, with an armature plate looks butt, and one side of movable cover is provided with the fixed plate, sliding connection between movable cover and the fixed cover, when armature plate one is adsorbed when upwards shifting, upward movement can be followed to the movable cover, can not block to armature plate one production, promotes the inside situation of convenient observation of fixed plate, and compression spring is in the state of compressed, keeps the movable cover in the state of normally closed.

2. On the magnet yoke shell, a hollow structure is arranged between the partition plate and the fixed cover, so that the material for producing the magnet yoke shell is saved, and the heat dissipation capacity of the alternating current coil is enhanced.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the structural connection of the present invention;

FIG. 3 is a bottom view of the yoke structure of the present invention;

FIG. 4 is a top view of a yoke structure of the present invention;

fig. 5 is a schematic view of the core structure of the present invention;

FIG. 6 is a schematic diagram of a core plate structure according to the present invention;

FIG. 7 is a schematic view of a core and coil connection structure according to the present invention;

fig. 8 is a schematic view of a connection structure of a fixed cover and a movable cover in the present invention.

In the figure: 1. a magnetic yoke; 101. a shaft hole; 102. a first mounting groove; 103. a shaft sleeve; 104. a wire outlet sleeve; 105. a partition plate; 106. a bayonet; 107. a first mounting hole; 108. a second mounting hole; 109. a third mounting hole; 110. a core block; 111. a fourth mounting hole; 112. an iron core; 113. a second mounting groove; 114. a fixed cover; 115. a movable cover; 116. a coil; 117. a yoke housing; 118. a boss; 119. a step; 120. a chute; 121. a pressure spring; 122. a limiting column; 123. a fixing plate; 2. an armature plate I; 3. a friction plate; 4. a brake disc; 5. a second armature plate; 6. releasing the stent; 7. releasing the handle; 8. an armature.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an alternating current brake yoke includes a yoke 1, a first armature plate 2, a friction plate 3, a brake disc 4, a second armature plate 5, a release bracket 6, and a release handle 7, where the yoke 1 includes a first mounting groove 102, a shaft sleeve 103, a wire outlet sleeve 104, a partition plate 105, a bayonet 106, a first mounting hole 107, a second mounting hole 108, a third mounting hole 109, a core block 110, a fourth mounting hole 111, a core 112, a second mounting groove 113, a fixed cover 114, a movable cover 115, a coil 116, and a yoke housing 117, the yoke housing 117 is a circular structure, a boss 118 is disposed in the middle of a side surface of the yoke housing 117, a shaft hole 101 is disposed in the center of the yoke housing 117, the shaft sleeve 103 is fixedly connected to an edge of the other side of the yoke housing 117 near the shaft hole 101, a partition plate 105 is fixedly connected to a middle of the yoke housing 117 near, the magnetic yoke shell 117 is provided with steps 119 at the outer side close to the shaft sleeve 103 and at the edge position of the inner side of the partition plate 105, a mounting groove 102 is formed in the position, between the two steps 119, of the magnetic yoke shell 117, a fixed cover 114 is fixedly connected to the outer edge of the magnetic yoke shell 117, a sliding groove 120 is formed in the middle of the fixed cover 114, four limiting columns 122 are arranged in the sliding groove 120, the four limiting columns 122 are distributed at equal intervals, a pressure spring 121 is sleeved on the four limiting columns 122, a movable cover 115 is slidably connected in the sliding groove 120, the top of the movable cover 115 is abutted against the pressure spring 121, a fixing plate 123 is arranged at one side of the movable cover 115, a hollow structure is formed between the partition plate 105 and the fixed cover 114, iron core blocks 110 are mounted in the mounting groove 102, six iron cores 112 are fixedly connected to one side of the iron core blocks 110, the iron cores 112 are of a fan-shaped structure, a second mounting groove 113 is formed between every two adjacent iron cores 112, and the iron cores 112 are sleeved with coils 116.

The middle of the boss 118 is provided with three first mounting holes 107, the three first mounting holes 107 are distributed equidistantly, two third mounting holes 109 are respectively formed in two sides of the edge of the magnetic yoke shell 117, three second mounting holes 108 are formed in the edge of the magnetic yoke shell 117, and the three second mounting holes 108 are distributed equidistantly.

Bayonet 106 has been seted up to one side of baffle 105, bayonet 106 both sides are provided with the slide rail, sliding connection has outlet sleeve 104 on bayonet 106, a plurality of through-holes have been seted up on outlet sleeve 104, and is a plurality of the through-hole equidistance distributes.

The release bracket 6 is installed at the top of the magnetic yoke shell 117, the release bracket 6 is of a semicircular structure, one side of the release bracket 6 is in threaded connection with a release handle 7, the bottom of the iron core 112 is provided with an armature 8, the bottom of the armature 8 is provided with a first armature plate 2, the bottom of the first armature plate 2 is provided with two friction plates 3, a brake disc 4 is installed between the two friction plates 3, the bottom of the lower friction plate 3 is provided with a second armature plate 5, a first bolt is installed in a mounting hole 109, the first bolt tightly connects the magnetic yoke shell 117, the release bracket 6 and the first armature plate 2, a first adjusting nut is installed at a position between the magnetic yoke shell 117 and the first armature plate 2 on the first bolt, a first spring is sleeved at a position between the magnetic yoke shell 117 and the first adjusting nut on the first bolt, a second bolt is installed in the mounting hole 108, the second bolt fastens and connects the magnetic yoke shell 117, the first armature plate 2 and the second armature plate 5, a second adjusting nut is mounted at a position, located between the magnetic yoke shell 117 and the first armature plate 2, on the second bolt, and a second spring is sleeved at a position, located between the second adjusting nut and the first armature plate 2, on the second bolt.

And epoxy resin is filled in the second mounting groove 113 at a position between two adjacent coils 116.

And a third bolt is installed in the first installation hole 107, and the third bolt fastens and connects the yoke shell 117 and the core block 110.

The working method of the alternating current brake comprises the following steps:

when the alternating current brake is in a normal working state, the coil 116 is kept in a power-on state, strong magnetic force is generated on the iron core 112, the armature 8 is adsorbed and moves upwards, the armature plate I2 moves upwards along with the armature 8, and a gap is generated between the friction plate 3 and the brake disc 4, so that the rotating piece can work normally; when the alternating-current brake needs braking, the coil 116 is powered off instantly, the magnetic force on the iron core 112 disappears, the first armature plate 2 displaces downwards to press the friction plates 3 under the counterforce of the spring, the two friction plates 3 generate braking force on the brake disc 4, and the rotating piece stops rotating slowly; the fixed cover 114 and the movable cover 115 are disposed at the edge of the yoke housing 117, and in operation, the movable cover 115 abuts against the armature plate one 2 under the force of the compression spring 121.

The working principle of the invention is as follows:

1. when the alternating current brake is in a normal working state, the coil 116 is kept in a power-on state, strong magnetic force is generated on the iron core 112, the armature 8 is adsorbed and moves upwards, the armature plate I2 moves upwards along with the armature 8, and a gap is generated between the friction plate 3 and the brake disc 4, so that the rotating piece can work normally

2. When the alternating-current brake needs braking, the coil 116 is powered off instantly, the magnetic force on the iron core 112 disappears, the first armature plate 2 displaces downwards to extrude the friction plates 3 under the counter-acting force of the spring, the two friction plates 3 generate braking force on the brake disc 4, and the rotating piece stops rotating slowly

3. The fixed cover 114 and the movable cover 115 are arranged at the edge of the magnetic yoke shell 117, when the magnetic yoke works, the movable cover 115 is abutted to the armature plate I2 under the action force of the pressure spring 121, the fixed plate 123 is arranged on one side of the movable cover 115, the movable cover 115 is in sliding connection with the fixed cover 114, when the armature plate I2 is adsorbed to move upwards, the movable cover 115 can move upwards along with the movement, the armature plate I2 cannot be blocked, the fixed plate 123 is pushed to conveniently observe the internal situation, the pressure spring 121 is in a compressed state, and the movable cover 115 is kept in a normally closed state.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.