High-temperature-resistant centrifugal pump
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a high temperature resistant type centrifugal pump.
Background
The centrifugal pump is a pump for conveying a liquid by a centrifugal force generated when an impeller rotates, and operates by causing water to centrifugally move by the rotation of the impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the pump shell.
When an existing centrifugal pump rotor works, a large amount of heat can be generated due to friction of a bearing, so that the bearing is heated and heated rapidly in the running process of the centrifugal pump rotor, the centrifugal pump rotor sometimes needs to work outdoors, the temperature can be increased rapidly under the irradiation of the sun, the service life of the bearing is shortened, the whole rotor part of the centrifugal pump can be damaged seriously, and the centrifugal pump cannot work, so that the high-temperature resistant centrifugal pump is designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant type centrifugal pump to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant centrifugal pump comprises a fixed seat, a motor, a cooling device and a main pump body, wherein one side of the top of the fixed seat is provided with a mounting seat, the top of the mounting seat is provided with the motor, the middle inside the motor is provided with a rotor, one end of the rotor is provided with a second fan blade, the other end of the rotor is connected with the cooling device, two ends of the rotor are connected with bearings inside the motor, the joint of the bearings and the rotor is provided with a bearing gland, one end of the cooling device is provided with the main pump body at the top of the fixed seat, the top of the main pump body is provided with a water outlet, the bottom of the main pump;
the cooling device comprises a protective shell and a heat dissipation disc, the heat dissipation disc is connected with one end of the rotor outside the motor, the surface of the heat dissipation disc is evenly provided with a heat dissipation tube, the top and the bottom of the heat dissipation disc are provided with pipelines, a first fan blade is installed on the rotor between the heat dissipation disc and the motor, the top of the protective shell is provided with an air outlet, and the bottom of the protective shell is provided with an air inlet.
Preferably, the motor and the cooling device are completely arranged in the heat shield, and the side face of the heat shield is provided with a vent hole, so that the temperature rise caused by the irradiation of the sun on the motor is reduced.
Preferably, the heat dissipation disc is connected with the rotor in a sleeved mode, the heat dissipation pipe is communicated with the pipeline, heat generated by the rotor is effectively absorbed, and the purpose of cooling is achieved.
Preferably, the first fan blade and the second fan blade are fixedly connected with the rotor through shaft sleeves, so that the connection stability of the first fan blade and the second fan blade is ensured.
Preferably, the air outlet and the air inlet are provided with filter screens, so that dust is prevented from entering the cooling device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the heat exchanger that separates in the motor and the heat sink outside, make motor and heat sink exempt from the direct solar radiation in the open air, can effectively reduce the high temperature that the sun produced to the motor, through setting up the heat sink, and be provided with heat dissipation dish and first fan blade in the heat sink, inject the coolant by the pipeline to the intraductal coolant of heat dissipation and the heat sink in the effective contact of air, effectively absorb the heat that the bearing of rotor one end produced, and discharge the heat through first fan blade, again through setting up the second fan blade at the rotor other end, by heat sink and second fan blade interact, make the temperature greatly reduced of bearing, thereby increase the life of bearing, the high temperature resistance of centrifugal pump has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure between the cooling device and the motor of the present invention;
fig. 3 is a schematic view of the structure of the heat dissipation plate of the present invention.
In the figure: 1. a fixed seat; 2. a motor; 3. a cooling device; 4. a main pump body; 5. a mounting seat; 6. a heat shield; 7. a water outlet; 8. a water inlet; 9. a rotor; 10. a protective shell; 11. a heat dissipation plate; 12. a first fan blade; 13. an air outlet; 14. an air inlet; 15. a bearing; 16. a bearing gland; 17. a second fan blade; 18. a radiating pipe; 19. a pipeline; 20. a shaft sleeve; 21. and (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a high-temperature resistant centrifugal pump comprises a fixed seat 1, a motor 2, a cooling device 3 and a main pump body 4, wherein one side of the top of the fixed seat 1 is provided with a mounting seat 5, the top of the mounting seat 5 is provided with the motor 2, the middle inside the motor 2 is provided with a rotor 9, one end of the rotor 9 is provided with a second fan blade 17, the other end of the rotor is connected with the cooling device 3, two ends of the rotor 9 are connected with bearings 15 inside the motor 2, the joint of the bearings 15 and the rotor 9 is provided with a bearing gland 16, one end of the cooling device 3 is provided with the main pump body 4 on the top of the fixed seat 1, the top of the main pump body 4 is provided with a water outlet 7, the;
the cooling device 3 comprises a protective shell 3 and a heat dissipation disc 11, one end of the heat dissipation disc 11 is connected with one end of a rotor 9 outside the motor 2, a heat dissipation pipe 18 is evenly arranged on the surface of the heat dissipation disc 11, a pipeline 19 is arranged at the top and the bottom of the heat dissipation disc 11, a first fan blade 12 is arranged on the rotor 9 between the heat dissipation disc 11 and the motor 2, an air outlet 13 is formed in the top of the protective shell 3, and an air inlet 14 is formed in the bottom of the protective shell.
Further, the motor 2 and the cooling device 3 are completely arranged inside the heat shield 6, and the side face of the heat shield 6 is provided with a vent hole, so that the temperature rise caused by the irradiation of the sun on the motor 2 is reduced.
Furthermore, the heat dissipation disc 11 is sleeved with the rotor 9, and the heat dissipation pipe 18 is communicated with the pipeline 19, so that heat generated by the rotor 9 is effectively absorbed, and the purpose of cooling is achieved.
Further, the first fan blade 12 and the second fan blade 17 are fixedly connected with the rotor 9 through a shaft sleeve 20, so that the connection stability of the first fan blade 12 and the second fan blade 17 is ensured.
Furthermore, the air outlet 13 and the air inlet 14 are provided with filter screens 21 to prevent dust from entering the cooling device 3.
The utility model discloses a set up heat exchanger 6 in the motor 2 and the 3 outsides of heat sink, make motor 2 and heat sink 3 avoid the direct solar radiation in the open air, can effectively reduce the high temperature that the sun produced to motor 2, through setting up heat sink 3, and be provided with heat dissipation dish 11 and first fan blade 12 in the heat sink 3, inject the coolant in 11 to the heat dissipation dish by pipeline 19, make the effective contact of coolant and the 2 interior air of heat sink in the cooling tube 18, absorb the heat that produces bearing 15 of rotor 9 one end, and discharge the heat through first fan blade 12, again through setting up second fan blade 17 at the rotor 9 other end, by heat sink 3 and 17 interactions of second fan blade, make bearing 15's temperature greatly reduced, thereby increase bearing 15's life, the high temperature resistance of centrifugal pump has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.