Electromagnetic brake of normal-temperature superconducting coil

Abstract

The utility model relates to the technical field of electromagnetic brakes, in particular to an electromagnetic brake of a normal-temperature superconducting coil. The electromagnetic brake of the normal-temperature superconducting coil comprises a driving wheel shell, a brake shell and a motor shell, wherein the driving wheel shell, the brake shell and the motor shell are connected in sequence; an armature is installed on one side of the driving wheel, and a brake assembly is installed at the position, corresponding to the armature, of the driving wheel in the brake shell. In addition, a heat dissipation pipe is further installed in the brake shell. According to the electromagnetic brake with the normal-temperature superconducting coil, the superconducting coil is arranged to replace an original coil made of a copper material, the superconducting coil can bear larger current, and therefore a very strong magnetic field is generated, and the effects that a small-diameter brake is large in suction force, large in braking torque and free of power loss after working for a long time can be achieved, and electric energy and steel are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic brakes, in particular to an electromagnetic brake with a room-temperature superconducting coil. Background Art

[0002] An electromagnetic brake is a brake that uses electromagnetic effects to achieve braking; an electromagnetic brake is an ideal automatic actuator in modern industry and mainly plays roles such as transmitting power and controlling motion in a mechanical transmission system; it has advantages such as a compact structure, simple operation, sensitive response, long service life, reliable use, and easy realization of remote control.

[0003] In related technologies, the electromagnetic coil for generating an electromagnetic field to cause an attractive force in an electromagnetic brake is generally made of copper material; due to the inherent resistance characteristics of the copper conductor in the copper material, heat will be generated in the conductor after being energized, the coil will heat up, the power will decrease, the current flowing through the coil will decrease accordingly, and the electromagnetic attraction will attenuate; in order to overcome the decrease in suction during work, the coil power of the brake needs to be made larger, and the diameter size of the brake is larger; after the space volume of the brake is enlarged, it is easy that the heat generated when braking the driving wheel is not easily dissipated in time.

[0004] Aiming at the problems in the above background art, the utility model aims to provide an electromagnetic brake with a room-temperature superconducting coil. Content of the Utility Model

[0005] The purpose of the utility model is to provide an electromagnetic brake with a room-temperature superconducting coil to solve the problems put forward in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] An electromagnetic brake with a room-temperature superconducting coil, the electromagnetic brake with a room-temperature superconducting coil includes:

[0008] A driving wheel housing, a brake housing, and a motor housing, which are connected in sequence; wherein, a driving wheel is rotatably installed inside the driving wheel housing, and a connecting shaft is provided at the axis position of the driving wheel.

[0009] An armature is installed on one side of the driving wheel, and a braking component for dry braking is installed inside the brake housing at a position corresponding to the armature of the driving wheel.

[0010] The braking component includes a yoke and magnetic poles. One end of the magnetic pole is installed with a yoke at a position corresponding to the armature of the driving wheel, and a superconducting coil is sleeved outside the magnetic pole; a motor is installed inside the motor housing, and the output end of the motor is connected to one end of the connecting shaft by a key.

[0011] In addition, a heat dissipation pipe is also installed inside the brake housing, which can not only ventilate and dissipate the heat generated when the brake assembly installed inside the brake housing brakes the rotating drive wheel, but also prevent dust in the natural air from entering the inside of the brake housing and affecting the normal operation efficiency of the brake assembly installed inside the brake housing.

[0012] As a further solution of the present utility model: the heat dissipation pipe is a tee pipe.

[0013] As a further solution of the present utility model: one end of the intake pipe provided extends into the inside of the brake housing; the other end of the intake pipe is connected to the middle position of the exhaust pipe; at the same time, the upper and lower ends of the exhaust pipe are respectively located at both ends of the outer surface of the brake housing.

[0014] As a further solution of the present utility model: filters are provided at the outlet positions of the exhaust pipes; filter holes are opened at the outlet positions of the exhaust pipes, and frames are installed inside the filter holes; the filters provided are sleeved inside the frames.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] The electromagnetic brake with a room-temperature superconducting coil has the following advantages compared with the current electromagnetic brake:

[0017] First, it replaces the coil made of copper material with a superconducting coil. The application of the superconducting coil makes the resistance value of the superconducting coil extremely low at the critical temperature, without heat dissipation, the electromagnetic suction is more stable, the superconducting coil can carry a larger current, thereby generating an extremely strong magnetic field, which can achieve a large suction force for a small-diameter brake, a large braking torque, and no power loss during long-term operation, saving electric energy and steel.

[0018] Second, at the same time, it is adapted to the heat dissipation pipe with a tee pipe structure, so that the heat generated inside the brake housing can be discharged in time through the installed heat dissipation pipe while ventilating and dissipating heat, and at the same time, the usually installed heat dissipation pipe can also ensure that dust in the air is not easily introduced into the inside of the brake housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model.

[0020] Figure 1 It is a side view of an electromagnetic brake with a room-temperature superconducting coil according to an embodiment of the present utility model.

[0021] Figure 2 It is a schematic structural diagram of the heat dissipation pipe of an electromagnetic brake with a room-temperature superconducting coil according to an embodiment of the present utility model.

[0022] Figure 3 This is an external view of the brake housing of an electromagnetic brake for a room-temperature superconducting coil according to an embodiment of the present invention.

[0023] Figure 4 This is an exploded schematic view of the external part of the brake housing of an electromagnetic brake for a room-temperature superconducting coil according to an embodiment of the present invention.

[0024] In the figure: 1 - drive wheel housing, 2 - drive wheel, 3 - connecting shaft, 4 - armature, 5 - brake housing, 6 - yoke, 7 - heat dissipation pipe, 8 - superconducting coil, 9 - magnetic pole, 10 - motor housing, 11 - motor, 12 - intake pipe, 13 - exhaust pipe, 14 - filter screen, 15 - frame, 16 - filter hole. Detailed implementation manners

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the following further details the present invention with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] Embodiment

[0027] Please refer to Figure 1 , an electromagnetic brake for a room-temperature superconducting coil provided in an embodiment of the present invention, the electromagnetic brake for the room-temperature superconducting coil includes:

[0028] A drive wheel housing 1, a brake housing 5 and a motor housing 10, the drive wheel housing 1, the brake housing 5 and the motor housing 10 are connected in sequence; wherein, a drive wheel 2 is rotatably installed inside the drive wheel housing 1, and a connecting shaft 3 is provided at the axial center position of the drive wheel 2; an armature 4 is installed on one side of the drive wheel 2, and a braking component is installed inside the brake housing 5 at a position corresponding to the connecting shaft 3 provided on the drive wheel 2. The provided braking component is a dry brake, and the braking component includes a yoke 6 and a magnetic pole 9. One end of the magnetic pole 9 is provided with a yoke 6 at a position corresponding to the armature 4 provided on the drive wheel 2, and a superconducting coil 8 is sleeved outside the magnetic pole 9; a motor 11 is installed inside the motor housing 10, and the output end of the motor 11 is key-connected to one end of the connecting shaft 3;

[0029] In addition, a heat dissipation pipe 7 is also installed inside the brake housing 5. The installed heat dissipation pipe 7 can not only ventilate and dissipate the heat generated when the braking component provided inside the brake housing 5 brakes the rotating drive wheel 2, but also prevent dust in the natural air outside from entering the inside of the brake housing 5 and affecting the normal operation efficiency of the braking component installed inside the brake housing 5;

[0030] In an embodiment of the present utility model, when using the electromagnetic brake with the room-temperature superconducting coil, the motor 11 is started, and the motor 11 outputs kinetic energy to drive the connecting shaft 3 to rotate. When the connecting shaft 3 rotates, the driving wheel 2 installed on the connecting shaft 3 will also rotate simultaneously;

[0031] When it is necessary to brake the driving wheel 2 rotatably installed inside the driving wheel housing 1, after the superconducting coil 8 sleeved outside the magnetic pole 9 is powered on, the energized superconducting coil 8 generates an electromagnetic field, which is used to make the armature 4 and the yoke 6 attract and approach each other to fit, thereby realizing the braking operation on the rotating driving wheel 2; The application of the superconducting coil 8 makes the resistance value of the superconducting coil 8 extremely low at the critical temperature, without heat dissipation, the electromagnetic attraction is more stable, the superconducting coil 8 can carry a larger current, thereby generating an extremely strong magnetic field, which can achieve a large suction force for a small-diameter brake, a large braking torque, and no power loss during long-term operation, saving electric energy and steel;

[0032] In addition, when braking the rotating driving wheel 2, the heat generated inside the brake housing 5 can be discharged in time through the installed radiating pipe 7 for ventilation and heat dissipation. Usually, the installed radiating pipe 7 can also ensure that dust in the air is not easily introduced into the brake housing 5;

[0033] Please refer to Figure 2 , in an embodiment of the present utility model, the radiating pipe 7 is a three-way pipe, and the radiating pipe 7 is assembled by an air inlet pipe 12 and an exhaust pipe 13; One end of the installed air inlet pipe 12 extends into the brake housing 5; The other end of the air inlet pipe 12 is connected to the middle position of the exhaust pipe 13; At the same time, the upper and lower ends of the exhaust pipe 13 are respectively located at both ends of the outer surface of the brake housing 5;

[0034] In an embodiment of the present utility model, when the set braking assembly operates to brake the rotating driving wheel 2, a large amount of heat is accumulated in the brake housing 5 in a short time, and the generated hot air is discharged from the position of the air inlet pipe 12, and then discharged simultaneously from the two outlet positions of the exhaust pipe 13, accelerating the outflow of the hot air; Usually, since both ends of the installed exhaust pipe 13 are provided with outlets in different directions, and one end of the air inlet pipe 12 is connected to the middle position of the exhaust pipe 13, the air entering the exhaust pipe 13 can circulate by itself, and only a small amount of dust can enter the air inlet pipe 12 along with the air and circulate until finally enter the brake housing 5;

[0035] Please refer to Figure 3 and Figure 4 , in an embodiment of the present utility model, filter screens 14 are provided at the outlet positions of the exhaust pipe 13. The provided filter screens 14 are used to filter and intercept the dust entering the exhaust pipe 13 while allowing the hot air to pass through;

[0036] Specifically, filter holes 16 are provided at the outlet position of the exhaust pipe 13, and a frame 15 is installed inside the filter holes 16; the provided filter screen 14 is sleeved inside the frame 15;

[0037] In the embodiment of the present invention, after the frame 15 is sleeved inside the filter holes 16, the filter screen 14 can be directly inserted into the frame 15 to achieve the quick installation of the filter screen 14; it is also convenient to disassemble easily in the later stage;

[0038] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electromagnetic brake of a room temperature superconducting coil, comprising: A driving wheel housing (1), a brake housing (5) and a motor housing (10), wherein the driving wheel housing (1), the brake housing (5) and the motor housing (10) are connected in sequence; wherein a driving wheel (2) is rotatably mounted inside the driving wheel housing (1), and a connecting shaft (3) is provided at the axis center of the driving wheel (2); and the characteristics are: An armature (4) is installed on one side of the driving wheel (2), and a brake assembly for dry braking is installed inside the brake housing (5) at a position corresponding to the armature (4) on the driving wheel (2); The brake assembly comprises a yoke (6) and a magnetic pole (9), wherein one end of the magnetic pole (9) is provided with the yoke (6) at a position corresponding to the armature (4) provided on the driving wheel (2), and a superconducting coil (8) is sleeved on the outer side of the magnetic pole (9); a motor (11) is installed inside the motor housing (10), and the output end of the motor (11) is connected to one end of the connecting shaft (3) via a key; In addition, a heat dissipation pipe (7) is installed inside the brake housing (5) to ventilate and dissipate the heat generated when the brake assembly installed inside the brake housing (5) brakes the rotating drive wheel (2), and at the same time to prevent dust in the external natural air from entering the brake housing (5) and affecting the normal operation efficiency of the brake assembly installed inside the brake housing (5).

2. The electromagnetic brake of the room temperature superconducting coil according to claim 1, characterized in that: The heat dissipation pipe (7) is a three-way pipe, and the heat dissipation pipe (7) is assembled through an air intake pipe (12) and an exhaust pipe (13).

3. The electromagnetic brake of the room temperature superconducting coil according to claim 2, characterized in that: One end of the air intake pipe (12) is inserted into the interior of the brake housing (5); the other end of the air intake pipe (12) is connected to the middle position of the exhaust pipe (13); and the upper and lower ends of the exhaust pipe (13) are respectively located at the two ends of the outer surface of the brake housing (5).

4. The electromagnetic brake of the room temperature superconducting coil according to claim 3, characterized in that: A filter screen (14) is provided at the outlet of the exhaust pipe (13); a filter hole (16) is provided at the outlet of the exhaust pipe (13), and a frame (15) is installed inside the filter hole (16); the filter screen (14) is sleeved inside the frame (15).

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