CN113691099B - A high-efficiency fast electric permanent magnet brake - Google Patents

Abstract

The invention discloses a high-efficiency fast electric permanent magnet brake, which comprises a frame, a mover assembly, a stator assembly, and a spring assembly are arranged in the frame, and a first output assembly and a second output assembly are respectively arranged on both sides of the frame. The mover assembly includes a mover block, a mover fixing plate, and a slider; there are two mover blocks and the two mover blocks are arranged symmetrically, and the top and bottom ends of the two mover blocks are respectively fixed by two movers The plates are connected with each other, and a slider is arranged on the fixed plate of the mover, which is slidably connected with the frame through the slider; the stator assembly is arranged between the two mover blocks, and the upper and lower ends of the stator assembly are respectively fixedly connected with the frame; The spring assembly is located between the inner side of the frame and the mover assembly, the first output assembly is fixedly connected to one end of the mover assembly, the second output assembly is opposite to the first output assembly, and the second output assembly is fixed to one end of the frame connect. This brake is efficient and fast.

Description

A high-efficiency fast electric permanent magnet brake

technical field

The invention relates to the electromechanical field, in particular to a high-efficiency fast electric permanent magnet brake.

Background technique

As an automatic actuator for transmitting power and controlling motion in modern industry, electromagnetic brakes are widely used in mines, construction, lifting, etc. due to their compact structure, fast response, long life, high reliability, and easy remote control. , transportation, ship berthing and other fields. The electromagnetic brake realizes the opening and closing braking effect of the brake by turning on and off the excitation coil, which has its advantages and disadvantages and its specific application occasions.

Existing electromagnetic brakes, such as electromagnetic powder brakes, are suitable for the drive systems of various machines. The inertia of magnetic powder is extremely small, the response speed is fast, and the control torque is large. However, magnetic powder will cause parts to wear and all braking power will be converted to heat consumption. Low: Electromagnetic eddy current brakes are often used in machinery with vertical loads. They are durable, easy to maintain, and have a wide range of speed regulation. However, at low speeds, they have low efficiency and high temperature, so heat dissipation measures must be taken. Electromagnetic friction brake has simple structure and fast response, but its performance is greatly affected by friction material and working temperature. The above electromagnetic brakes have problems such as short life, easy damage, low braking efficiency, and delay for high-power and frequent starting equipment such as mine hoisting equipment and high-speed elevators, which may easily cause equipment vibration and retention, which greatly affects its transportation efficiency. , reducing security.

Contents of the invention

The purpose of the present invention is to solve the above problems and provide a high-efficiency fast electric permanent magnet brake with simple structure, fast response speed, no delay and large control torque.

In order to achieve the above object, technical scheme of the present invention is:

A high-efficiency fast electric permanent magnet brake, including a frame, a mover assembly, a stator assembly, and a spring assembly are arranged inside the frame, and a first output assembly and a second output assembly are respectively arranged on both sides of the frame; The sub-assembly includes a mover block, a mover fixing plate, and a slider; there are two mover blocks and the two mover blocks are symmetrically arranged, and the top and bottom ends of the two mover blocks are respectively connected by two mover fixing plates. A slider is arranged on the moving element fixing plate and is slidably connected with the frame through the sliding element; the stator assembly is arranged between two moving element blocks, and the upper and lower ends of the stator assembly are respectively fixedly connected with the frame; the spring assembly is located at Between the inner side of the frame and the moving subassembly, the first output assembly is fixedly connected to one end of the moving subassembly, the second output assembly is arranged opposite to the first output assembly, and the second output assembly is fixedly connected to one end of the frame.

Further, the stator assembly includes permanent magnets, iron cores, and coils, and the permanent magnets, iron cores, and coils are all arranged between the two mover blocks, and there are two iron cores that are respectively arranged at the upper and lower ends of the permanent magnets. A coil is wound on the outer side of the iron core, and the iron core and the permanent magnet are fixedly connected with the frame.

Further, the spring assembly includes a mandrel baffle and a spring, the mandrel baffle and the spring are arranged between the inner side of the frame and the mover assembly, one end of the mandrel baffle is fixedly connected to the inner side of the frame, and the core The other end of the shaft baffle is provided with a connecting shaft, the spring is sleeved on the outside of the connecting shaft, one end of the spring is in contact with the mandrel baffle, and the other end of the spring is in contact with the mover block.

Further, the first output assembly and the second output assembly both include a connecting plate, a lifting lug, a fixed shaft, and a joint bearing. There are two lifting lugs and the two lifting lugs are arranged symmetrically on one side of the connecting plate. The other side is fixedly connected with the mover block or the frame, and the lifting lug is provided with a through-hole, and a fixed shaft is inserted into the through-hole, and is connected with a pin shaft at one end of the joint bearing through the fixed shaft. The installation direction of the first output assembly and the second output assembly are perpendicular to each other, so that motion output or power output in any direction can be realized.

Further, the frame includes a left side board, a right side board and a bottom board, the left side board and the right side board are arranged symmetrically, there are two bottom boards and the two bottom boards are symmetrically arranged at the upper and lower ends of the left side board and the right side board , the bottom plate is provided with a long sliding hole, the sliding piece on the fixed plate of the mover passes through the long sliding hole and can slide along the length of the long sliding hole; the left side plate is provided with a mounting hole, the connection of the first output assembly After passing through the installation hole, the plate is fixedly connected with the outer surface of the mover block.

Further, the spring assembly is arranged between the mover block and the inner side of the right side plate, the spring assembly also includes a positioning plate, one end of the positioning plate is fixedly connected to the outer surface of the mover block, and the other end of the positioning plate is provided with a spring positioning groove, one end of the spring is embedded in the spring positioning groove, the other end of the spring is in contact with the mandrel baffle, and the mandrel baffle is fixedly connected to the inner side of the right side plate.

Further, the stator assembly further includes a stator fixing plate, which is fixedly connected to the front and rear end faces of the permanent magnet and the iron core, and the upper and lower ends of the stator fixing plate are fixedly connected to the two bottom plates.

Further, the left side plate and the right side plate are provided with bolt through holes, the bolt through holes are provided with adjusting bolts, and the two adjusting bolts pass through the bolt through holes and abut against the outer surfaces of the two mover blocks respectively. .

Further, the frame includes a cylinder wall and a support plate, and the cylinder wall and the support plate are connected to form a cylindrical barrel shape with one end open; the inner surface of the cylinder wall is provided with a slide rail and is fixed to the mover by the slide rail. The sliding part on the plate is slidably connected; the permanent magnet and the iron core are fixedly connected to the inner surface of the cylinder wall; the spring assembly is arranged between the mover block and the support plate, and the mandrel baffle is fixedly connected to the inner surface of the support plate.

Compared with prior art, the advantages and positive effects that the present invention has are:

When the present invention is working, the frame is fixed, and then the coil is energized. Under the action of electromagnetic force, the mover block will generate a force to move towards the direction of the spring, and at the same time, the sliding part and the frame will slide , the entire mover assembly and the first output assembly fixedly connected to the mover block move towards the direction of the spring assembly. At this time, the spring is in a compressed state; when the coil is powered off, under the force of the spring, the mover assembly, the first The output assembly returns to its original position and circulates accordingly to realize the work of the electromagnetic actuator.

体积小、结构简单，易装配、拆卸；

因永磁体特殊结构设计，同 等条件下可实现5~10倍的扭矩或牛顿力；

制动快，无延迟、可频繁使用；

工作环境无要 求，除矿井提升设备、高速电梯等大功率、频繁起动设备外，还可用于其他大功率设备；

可 实现任意方向输出及连接任意组件。以上特点有效提高了电永磁制动器的生产效率。 In general, the present invention

Small size, simple structure, easy to assemble and disassemble;

Due to the special structural design of the permanent magnet, it can achieve 5~10 times the torque or Newton force under the same conditions;

Fast braking, no delay, can be used frequently;

There is no requirement for the working environment, except for high-power and frequent starting equipment such as mine hoisting equipment and high-speed elevators, it can also be used for other high-power equipment;

It can realize output in any direction and connect any components. The above features effectively improve the production efficiency of the electric permanent magnet brake.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the overall structural representation of embodiment 1;

Fig. 2 is the rack structural diagram of embodiment 1;

Fig. 3 is the internal structure figure of embodiment 1;

Fig. 4 is the overall structural representation of embodiment 2;

Fig. 5 is the rack structural diagram of embodiment 2;

FIG. 6 is an internal structure diagram of Embodiment 2. FIG.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention Inside.

Embodiment 1, as shown in Figure 1, Figure 2 and Figure 3, this embodiment discloses a high-efficiency fast electric permanent magnet brake, which includes a frame, a mover assembly, a stator assembly, a spring assembly, a first output assembly, a second output component;

The structure of the rack is shown in Figure 2: it includes a left side plate 1, a bottom plate 2, and a right side plate 3. 1 There is a mounting hole and a bolt through hole in the middle, the mounting hole is convenient for installing the first output component, and the adjusting bolt 19 is connected in the bolt through hole to adjust the position of the mover component;

The mover assembly includes two mover blocks 4, two mover fixing plates 5, and a slider 6. The two mover blocks 4 are symmetrically arranged left and right, and the mover fixing plates 5 are arranged at the upper and lower ends of the mover block 4 for The position of the mover block 4 is fixed, so that the distance between the two mover blocks 4 is constant.

There are eight sliders 6, the upper 4 sliders are installed on the upper end surface of the mover fixing plate 5 at the top of the mover block, and the lower 4 sliders are installed on the lower end surface of the mover fixing plate 5 at the bottom end of the mover block 4. It can slide freely in the long sliding hole 201 provided on the base plate 2 .

The stator assembly includes a permanent magnet 7, an iron core 9, a coil 8, and a stator fixing plate 10; the upper and lower ends of the permanent magnet 7 are equipped with an iron core 9 wound with a coil 8, and the permanent magnet 7 and the iron core 9 are located in the two mover blocks Between 4; There are four stator fixing plates 10, which are used for fixing the upper and lower iron cores 9 and the permanent magnets 7, so that the three become one; finally the three are integrally fixed on the frame.

The spring assembly includes a positioning plate 11, a spring 12, and a mandrel baffle 13; the positioning plate 11 is fixed on the mover block 4 (right side), and a spring positioning groove is opened on the other side for assisting spring positioning; the mandrel baffle One side of 13 is provided with connecting shaft, and mandrel baffle 13 is fixed on the inside of right side plate 3;

Both the first output assembly and the second output assembly include a connecting plate 14, lifting lug 15, fixed shaft 16, cotter pin 17, and joint bearing 18; the connecting plate 14 of the first output assembly passes through the mounting hole and connects with the mover block 4 ( Left side) fixed connection, the connecting plate 14 of the second output assembly is fixed on the outer surface of the right side plate 3, the connecting plate is symmetrically provided with lifting lugs 15, the lifting lugs 15 are interspersed with a fixed shaft 16 and through the fixed shaft 16 and the joint bearing 18 pin shaft connections, the fixed shaft 16 is interspersed with a cotter pin 17 to prevent the fixed shaft from deviating from the lifting lug 15.

Embodiment 2, as shown in Figure 4, Figure 5 and Figure 6, this embodiment discloses a high-efficiency fast electric permanent magnet brake, which includes a frame, a mover assembly, a stator assembly, a spring assembly, a first output assembly, a second output component;

The structure of the frame is shown in Figure 5: it includes a cylinder wall 1, a slide rail 2, and a support plate 3; It is fixed on one end of cylinder wall 1.

The mover assembly includes two mover blocks 4, two mover fixing plates 5, and slideways 6. The two mover blocks 4 are symmetrically arranged left and right, and the mover fixing plates 5 are arranged at the upper and lower ends of the mover block 4 for The position of the mover block 4 is fixed, so that the distance between the two mover blocks 4 is constant.

There are two slideways 6, one of which is installed on the upper end surface of the moving element fixing plate 5 at the top of the moving element block, and the other is installed on the lower end surface of the moving element fixing plate 5 at the bottom end of the moving element block 4, which can be matched with the slide rail 2 to swipe.

The stator assembly includes a permanent magnet 9, an iron core 7, and a coil 8; the upper and lower ends of the permanent magnet 9 are equipped with an iron core 7 wound with a coil 8, and the permanent magnet 9 and the iron core 7 are located between the two mover blocks 4; The magnet 9 and the iron core 7 are fixed on the inner wall of the cylinder wall 1 .

The spring assembly includes a spring 11 and a mandrel baffle 10; one side of the mandrel baffle 10 is provided with a connecting shaft, and the mandrel baffle 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 to the mover block 4 (right).

Both the first output assembly and the second output assembly include a connecting plate 12, lifting lug 13, fixed shaft 14, and joint bearing 15; the connecting plate 12 of the first output assembly is fixedly connected with the mover block 4 (left side), and the second output assembly The connecting plate 12 is fixed on the outer surface of the support plate 3, and the connecting plate is symmetrically provided with lifting lugs 13, and the lifting lugs 13 are interspersed with a fixed shaft 14 and are pinned to the joint bearing 15 through the fixed shaft 14.

In Embodiment 2, a circular shell structure is mainly used, which can be used as a frame and can also play a protective role, reducing the installation of guardrails; at the same time, compared with other forms of frames, its strength and stability are higher, and The structure is simple, easy to process, and improves the production efficiency of the electric permanent magnet brake.

The stator assembly is fixed on the frame, and there is a certain gap between the stator assembly and the left and right mover blocks 4, which are respectively the left gap and the right gap, because the left and right gaps are inconsistent. According to the electromagnetic theory, the electromagnetic force generated by it is also not equal, the smaller the gap, the greater the electromagnetic force.

When the present invention is working, the frame is fixed, and then the coil is energized. Under the action of electromagnetic force, the mover block will generate a force to move towards the direction of the spring, and at the same time, the sliding part and the frame will slide , the entire mover assembly and the first output assembly fixedly connected to the mover block move towards the direction of the spring assembly. At this time, the spring is in a compressed state; when the coil is powered off, under the force of the spring, the mover assembly, the first The output assembly returns to its original position and circulates in this way to realize the work of the electromagnetic actuator; the invention has a simple structure and low assembly difficulty, thereby effectively improving the production efficiency of the electric permanent magnetic brake and bringing new benefits to the production work of the electric permanent magnetic brake. Here comes the convenience.

Claims (5)

1. A high-efficiency fast electric permanent magnet brake, comprising a frame, is characterized in that: a mover assembly, a stator assembly, and a spring assembly are arranged in the frame, and a first output assembly, a second output assembly, and a second output assembly are respectively arranged on both sides of the frame. output assembly; the mover assembly includes a mover block, a mover fixing plate, and a slider; there are two mover blocks and the two mover blocks are symmetrically arranged, and the top and bottom ends of the two mover blocks pass through two mover blocks respectively. The fixed plate of the moving part is connected, and the moving part is provided with a sliding part and is connected to the frame through the sliding part; the stator assembly is arranged between the two moving part blocks, and the upper and lower ends of the stator part are fixedly connected with the frame respectively. The spring assembly is located between the inner side of the frame and the moving subassembly, the first output assembly is fixedly connected to one end of the moving subassembly, the second output assembly is opposite to the first output assembly, and the second output assembly is connected to the frame. Fixed connection at one end; The stator assembly includes a permanent magnet, an iron core, and a coil. The permanent magnet, the iron core, and the coil are all arranged between the two mover blocks. There are two iron cores that are respectively arranged at the upper and lower ends of the permanent magnet. Both are wound with coils, and the iron core and permanent magnets are fixedly connected with the frame; The spring assembly includes a mandrel baffle and a spring, the mandrel baffle and the spring are arranged between the inner side of the frame and the mover assembly, one end of the mandrel baffle is fixedly connected to the inner side of the frame, and the mandrel baffle The other end of the spring is provided with a connecting shaft, the spring is sleeved on the outside of the connecting shaft, one end of the spring is in contact with the mandrel baffle, and the other end of the spring is in contact with the mover block; Both the first output assembly and the second output assembly include a connecting plate, a lifting lug, a fixed shaft, and a joint bearing. There are two lifting lugs and the two lifting lugs are arranged symmetrically on one side of the connecting plate, and on the other side of the connecting plate It is fixedly connected with the mover block or the frame, and the lifting lug is provided with a through hole, and a fixed shaft is inserted into the through hole, and is connected with one end of the joint bearing through the fixed shaft; the first output assembly and the second output assembly The installation direction is vertical to realize the motion output in any direction; The frame includes a left side plate, a right side plate, and a bottom plate. The left side plate and the right side plate are arranged symmetrically. A long sliding hole is provided, and the sliding part on the moving element fixing plate passes through the long sliding hole and can slide along the length direction of the long sliding hole; the left side plate is provided with a mounting hole, and the connecting plate of the first output assembly passes through the long sliding hole. After the hole is installed, it is fixedly connected with the outer surface of the mover block. 2. The high-efficiency fast electric permanent magnet brake according to claim 1, characterized in that: the spring assembly is arranged between the mover block and the inner side of the right side plate, the spring assembly also includes a positioning plate, and one end of the positioning plate is connected to the moving plate. The outer side of the sub-block is fixedly connected, the other end of the positioning plate is provided with a spring positioning groove, one end of the spring is embedded in the spring positioning groove, the other end of the spring is in contact with the mandrel baffle, and the mandrel baffle is in contact with the inside of the right side plate. Side fixed connections. 3. The high-efficiency fast electric permanent magnet brake as claimed in claim 2, characterized in that: the stator assembly also includes a stator fixed plate, the stator fixed plate is fixedly connected with the front and rear end surfaces of the permanent magnet and the iron core, and the upper and lower ends of the stator fixed plate Fixed connection with two base plates. 4. The high-efficiency fast electric permanent magnet brake as claimed in claim 3, characterized in that: the left side plate and the right side plate are provided with bolt through holes, the bolt through holes are provided with adjusting bolts, and the two adjusting bolts pass through After passing through the bolt through holes, they abut against the outer surfaces of the two mover blocks respectively. 5. The high-efficiency fast electric permanent magnet brake as claimed in claim 1, characterized in that: the frame includes a cylinder wall and a support plate, and the cylinder wall and the support plate are connected to form a cylindrical barrel with an open end; the cylinder wall The inner surface is provided with slide rails, which are slidably connected with the sliders arranged on the moving element fixing plate; the permanent magnet and the iron core are fixedly connected with the inner surface of the cylinder wall; the spring assembly is arranged on the moving element block and the support Between the plates, the mandrel baffle is fixedly connected with the inner side of the supporting plate.

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