Mining large outer rotor permanent magnet electric roller cooling device

Abstract

The utility model provides a mining large outer rotor permanent magnet electric roller cooling device, which relates to the technical field of permanent magnet electric rollers and comprises a stator, a hollow fixed shaft, a reversing joint, a liquid inlet guide pipe, a circulating pump, a cooler and a submersible pump. Hollow fixed shafts are fixedly installed at the two ends of the stator respectively, and reversing connectors are fixedly installed at the ends of the hollow fixed shafts. One reversing joint is externally connected with a liquid inlet guide pipe, a circulating pump is mounted on a pipeline of the liquid inlet guide pipe, and the other reversing joint is externally connected with a liquid discharge guide pipe; the cooler is connected with the liquid inlet guide pipe and the liquid discharging guide pipe, and a submersible pump is installed outside the cooler. In the operation process of the outer rotor permanent magnet electric roller, cooling liquid enters the heat dissipation channel to cool the stator, so that the outer rotor permanent magnet electric roller is kept in a low-temperature state, and the problem that the service life is shortened due to the fact that the temperature is too high is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to permanent magnet motorized roller technical field especially relates to a mine large -scale outer rotor permanent magnet motorized roller cooling device. BACKGROUND

[0002] Permanent magnet motorized roller is also called magnetic pulley or dry type large block magnetic separator. Its inside adopts high performance hard magnetic material to form compound magnetic system, has high magnetic field intensity, big depth, simple structure, convenient use, does not need maintenance, does not consume electric power, perennial use does not demagnetize etc. characteristics, permanent magnet motorized roller can be used in cement, magnetic separation, mine, steel, chemical industry, refractory material, garbage disposal etc. industry's iron selection, and is used in place of driving wheel with fixed belt conveyor, also can be used with special belt conveyor, permanent magnet motorized roller needs auxiliary cooling when running.

[0003] At present, the auxiliary cooling mode of permanent magnet motorized roller is mostly air cooling, and the actual effect of the cooling mode is not ideal. In the actual operation process, dust is easy to enter the internal heat dissipation channel, so that the permanent magnet motorized roller is difficult to release heat to the outside in time, and then overheat phenomenon is caused. The generation of overheat phenomenon will adversely affect the service life of the permanent magnet motorized roller. UTILITY MODEL CONTENTS

[0004] The present disclosure relates to a mine large -scale outer rotor permanent magnet motorized roller cooling device, which solves the problem that the auxiliary cooling mode of the existing permanent magnet motorized roller is mostly air cooling, and in the actual operation process, dust is easy to enter the internal heat dissipation channel, so that the permanent magnet motorized roller is difficult to release heat to the outside in time, and then overheat phenomenon is caused.

[0005] In the first aspect of the present disclosure, a mine large -scale outer rotor permanent magnet motorized roller cooling device is provided, which specifically comprises: a stator, a hollow stator shaft, a reversing joint, a liquid inlet pipe, a circulating pump, a cooler and a submersible pump; the two ends of the stator are respectively fixedly installed with a hollow stator shaft, and the end of the hollow stator shaft is fixedly installed with a reversing joint; one of the reversing joints is externally connected with a liquid inlet pipe, a circulating pump is installed on the pipeline of the liquid inlet pipe, and the other reversing joint is externally connected with a liquid outlet pipe; the cooler is connected with the liquid inlet pipe and the liquid outlet pipe, and the cooler is externally installed with a submersible pump.

[0006] Further, the stator is internally provided with a heat dissipation channel in a surrounding manner, the heat dissipation channel is communicated with the two hollow stator shafts at both ends, the hollow stator shaft is communicated with the reversing joint, and in the operation process of the outer rotor permanent magnet motorized roller, the cooling liquid enters the heat dissipation channel to cool the stator, so that the outer rotor permanent magnet motorized roller is maintained in a low temperature state.

[0007] Further, the cooler is immersed in the water tank, and the cooler is composed of a liquid inlet cover, a plurality of pipe fittings, a liquid outlet cover and an outer shell.

[0008] Further, one end of the multi-tube is connected with the liquid inlet cover, and the other end of the multi-tube is connected with the liquid outlet cover.

[0009] Further, one of the reversing joints is communicated with the liquid outlet cover through the liquid inlet pipe, and the other reversing joint is communicated with the liquid inlet cover through the liquid outlet pipe.

[0010] Further, the liquid inlet cover is communicated with the liquid outlet cover through the multi-tube, the cooling liquid in the stator is transported to the cooler through the circulating pump, the cooling liquid in the cooler is cooled by the water in the water tank, and the cooled cooling liquid is returned to the stator through the liquid outlet pipe.

[0011] Further, one end of the shell is provided with a water inlet in a surrounding manner, and the other end of the shell is provided with a water outlet, which is communicated with the submersible pump, so that the water in the water tank is pumped into the shell through the water inlet by the submersible pump, the multi-tube is cooled, the heated water is discharged through the water outlet, the circulation of water around the multi-tube is accelerated, and the heat contained in the multi-tube can be quickly and efficiently released into the water.

[0012] The utility model provides a mine large -scale outer rotor permanent magnet motorized roller cooling device has the following beneficial effects:

[0013] In the continuous operation process of the outer rotor permanent magnet motorized roller, the cooling liquid enters the carefully designed heat dissipation channel in an orderly manner, the cooling liquid is in full contact with the stator, a large amount of heat generated in the operation process of the stator is quickly absorbed through efficient heat exchange, and therefore the stator is subjected to timely and effective cooling treatment, the outer rotor permanent magnet motorized roller can always maintain a relatively ideal low-temperature working state, a series of problems such as material performance reduction and component aging acceleration caused by excessively high temperature are greatly avoided, and therefore the service life is effectively prolonged, and the equipment can be stably and efficiently operated for a long time.

[0014] In addition, the circulating pump mainly functions to continuously transport the cooling liquid with temperature rise caused by long-time operation or other factors to the cooler, the cooler is located in a special water tank, when the high-temperature cooling liquid from the stator enters the cooler, the water in the water tank starts to play a cooling role, as an excellent heat conduction medium, the water can quickly absorb the heat carried in the cooling liquid, so that the temperature of the cooling liquid is gradually reduced, after heat exchange, the temperature of the cooling liquid is effectively controlled and reduced, and the cooled cooling liquid is returned to the stator through the specially arranged liquid outlet pipe, so that a complete and efficient cooling circulation system is formed, and the low-temperature operation state of the outer rotor permanent magnet motorized roller is effectively ensured.

[0015] In addition, the water in the water tank is pumped into the shell through the water inlet by the submersible pump, the multi-tube is cooled, the heated water is discharged through the drain, the circulation speed of the water around the multi-tube is accelerated, the heat contained in the multi-tube can be quickly and efficiently released into the water, and the cooling effect of the low-temperature coolant in the cooler on the stator is effectively ensured.

[0016] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the present application, and are not limited to the present application.

[0019] In the drawings:

[0020] Fig. 1 The overall shaft side structure schematic diagram of the present application is shown;

[0021] Fig. 2 The stator, hollow stator shaft and commutating joint split structure schematic diagram of the present application is shown;

[0022] Fig. 3 The cooler shaft side structure schematic diagram of the present application is shown;

[0023] Fig. 4 The cooler split structure schematic diagram of the present application is shown.

[0024] LIST OF REFERENCE NUMERALS

[0025] 1, stator; 101, heat dissipation channel; 2, hollow stator shaft; 3, commutating joint; 4, liquid inlet guide pipe; 5, circulating pump; 6, liquid outlet guide pipe; 7, cooler; 701, liquid inlet cover; 702, multi-tube; 703, liquid outlet cover; 704, shell; 7041, water inlet; 7042, water outlet; 8, submersible pump. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0027] Embodiment one: please refer to Figs. 1 to 4 :

[0028] The utility model proposes a kind of mine large outer rotor permanent magnet motor roller cooling device, comprising: stator 1, hollow fixed shaft 2, commutating connector 3, liquid inlet pipe 4, circulating pump 5, cooler 7 and submersible pump 8;Stator 1 two ends are fixedly installed with hollow fixed shaft 2, and hollow fixed shaft 2 end is fixedly installed with commutating connector 3;One of commutating connector 3 is connected with liquid inlet pipe 4 outside, and circulating pump 5 is installed on the pipeline of liquid inlet pipe 4, and another commutating connector 3 is connected with liquid outlet pipe 6 outside;Cooler 7 is connected with liquid inlet pipe 4 and liquid outlet pipe 6, and submersible pump 8 is installed outside cooler 7;Stator 1 is provided with heat dissipation channel 101 in ring shape inside, and the both ends of heat dissipation channel 101 are communicated with two hollow fixed shafts 2, and hollow fixed shaft 2 is communicated with commutating connector 3;During the operation of outer rotor permanent magnet motor roller, cooling liquid enters heat dissipation channel 101, and stator 1 is cooled, so that outer rotor permanent magnet motor roller is maintained in low temperature state, and effectively avoid that temperature is too high to cause service life to shorten.

[0029] In the embodiment of the present disclosure, the cooler 7 is immersed in the water tank, and the cooler 7 is composed of four parts of a liquid inlet cover 701, a multi-tube 702, a liquid outlet cover 703 and an outer shell 704. One end of the multi-tube 702 is connected with the liquid inlet cover 701, the other end of the multi-tube 702 is connected with the liquid outlet cover 703, and the outer shell 704 is sleeved outside the multi-tube 702. One of the commutating connectors 3 is communicated with the liquid outlet cover 703 through the liquid inlet pipe 4, and the other commutating connector 3 is communicated with the liquid inlet cover 701 through the liquid outlet pipe 6. The liquid inlet cover 701 is communicated with the liquid outlet cover 703 through the multi-tube 702.

[0030] By using the above technical scheme, the circulating pump 5 is used to transport the cooling liquid in the stator 1 to the cooler 7 after being heated, the water in the water tank is used to cool the cooling liquid in the cooler 7, and the cooled cooling liquid is returned to the stator 1 through the liquid outlet pipe 6, so as to effectively ensure the low-temperature operation state of the outer rotor permanent magnet motor roller.

[0031] In the embodiment two, on the basis of the embodiment one, the outer shell 704 is provided with a water inlet 7041 in ring shape at one end outside, and the outer shell 704 is provided with a water outlet 7042 at the other end outside, and the water outlet 7042 is communicated with the submersible pump 8.

[0032] By using the above technical scheme, the submersible pump 8 is used to pump the water in the water tank to the outer shell 704 through the water inlet 7041, so as to cool the multi-tube 702. The heated water is discharged through the water outlet 7042, the circulation of the water around the multi-tube 702 is accelerated, the heat contained in the multi-tube 702 can be quickly and efficiently released into the water, and the cooling effect of the cooling liquid in the cooler 7 on the stator 1 is effectively ensured.

[0033] The working principle of the embodiment is as follows: during the operation of the outer rotor permanent magnet motorized roller, the circulating pump 5 delivers the cooling liquid into the heat dissipation channel 101 in the stator 1 through the liquid inlet pipe 4, the reversing joint 3 and the hollow stator shaft 2 in sequence, so as to cool the stator 1 and keep the outer rotor permanent magnet motorized roller in a low temperature state; the cooling liquid in the stator 1 after being heated is delivered into the cooler 7 through the hollow stator shaft 2, the reversing joint 3 and the liquid outlet pipe 6 in sequence, the cooling liquid in the cooler 7 is cooled by the water in the water tank, and the circulating water cooling effect is achieved; the water in the water tank is pumped into the shell 704 through the water inlet 7041 by the submersible pump 8, so as to cool the multi-tube piece 702, the heated water is discharged through the water outlet 7042, and the heat contained in the multi-tube piece 702 can be quickly and efficiently released into the water by accelerating the circulation of the water around the multi-tube piece 702.

[0034] In this paper, the following points need to be noted:

[0035] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0036] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0037] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A large-sized outer rotor permanent magnet electric drum cooling device for mining, comprising: Stator (1), hollow stator shaft (2), reversing joint (3), liquid inlet pipe (4), circulating pump (5), cooler (7) and submersible pump (8); characterized in that the stator (1) is fixedly installed with hollow stator shaft (2) at both ends, and the hollow stator shaft (2) is fixedly installed with reversing joint (3) at the end; one of the reversing joints (3) is externally connected with the liquid inlet pipe (4), and the circulating pump (5) is installed on the pipeline of the liquid inlet pipe (4); the other reversing joint (3) is externally connected with the liquid outlet pipe (6); the cooler (7) is connected with the liquid inlet pipe (4) and the liquid outlet pipe (6), and the cooler (7) is externally installed with the submersible pump (8).

2. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 1, characterized in that, The stator (1) is internally provided with a heat dissipation channel (101) in a surrounding manner, and the heat dissipation channel (101) is communicated with the two hollow stator shafts (2) at both ends, and the hollow stator shaft (2) is communicated with the reversing joint (3).

3. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 1, characterized in that, The cooler (7) is immersed in the water tank, and the cooler (7) is composed of four parts of liquid inlet cover (701), multi-tube (702), liquid outlet cover (703) and shell (704).

4. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 3, characterized in that, One end of the multi-tube (702) is connected with the liquid inlet cover (701), the other end of the multi-tube (702) is connected with the liquid outlet cover (703), and the shell (704) is sleeved outside the multi-tube (702).

5. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 3, characterized in that, One of the reversing joints (3) is communicated with the liquid outlet cover (703) through the liquid inlet pipe (4), and the other reversing joint (3) is communicated with the liquid inlet cover (701) through the liquid outlet pipe (6).

6. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 3, characterized in that, The liquid inlet cover (701) is communicated with the liquid outlet cover (703) through the multi-tube (702).

7. The large-sized outer rotor permanent magnet electric roller cooling device for mine according to claim 3, characterized in that, One end of the shell (704) is provided with a water inlet (7041) in a surrounding manner, and the other end of the shell (704) is provided with a water outlet (7042), and the water outlet (7042) is communicated with the submersible pump (8).

Images