CN209945061U

CN209945061U - Fan driving device of hub alternating current motor type industrial cooling tower with water cooling system

Info

Publication number: CN209945061U
Application number: CN201920311936.4U
Authority: CN
Inventors: 朱伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-14
Anticipated expiration: 2029-03-12

Abstract

The utility model provides a take water cooling system wheel hub alternating current motor type industrial cooling tower's fan drive arrangement, belongs to industrial cooling tower technical field, and it is unreasonable to aim at solving the drive arrangement structural design of current industrial cooling tower fan, awkward problem. It includes the cooling body of industry cooling tower body, dryer, fan blade, fan actuating mechanism, fan motor, fan actuating mechanism comprises wheel hub formula motor connection fan blade, the cooling body of fan motor comprises wheel hub motor cooling outlet pipe and wheel hub motor cooling inlet tube connection, and the wheel hub motor cools off the shower nozzle raceway of water distribution system trunk pipe by wheel hub motor cooling inlet tube, and the outlet pipe mouth dress of wheel hub motor cooling outlet pipe even has the motor cooling water shower nozzle who arranges cooling tower packing layer water distribution shower nozzle side by side. The structure is practical, can be directly driven by the hub type motor, is convenient to use, and is suitable for assembling industrial cooling towers.

Description

Fan driving device of hub alternating current motor type industrial cooling tower with water cooling system

Technical Field

The utility model belongs to the technical field of the industry cooling tower drive arrangement of an industry cooling tower fan.

Background

An industrial cooling tower is a device for dissipating waste heat generated in industry or in a refrigeration air conditioner by evaporation using contact of water and air; the driving mode of the common motor, the transmission shaft, the speed reducer and the driving fan is a structure that the motor drives the speed reducer to drive the driving fan through the transmission shaft of 3-4 meters, the loss of power in the driving mode is caused by the friction force of the gears, the power consumed by the conventional gear type speed reducer is 10-20%, so that the energy consumption of the driving structure is high, and in addition, the motor needs to consume one mechanism power when dragging the transmission shaft of 3-4 meters to rotate. In the prior art, because the motor is arranged outside the air duct, and the speed reducer is connected and driven by a transmission shaft in the middle of the air duct with a distance of 3-4 m between two devices, the structural design is unreasonable, and particularly in practical application, the effective value of the vibration speed of the cooling tower industrial cooling tower body comprising the air duct, the motor and the speed reducer gear box reaches 4-6.3 mm/s, because the vibration speed of the large cooling tower speed reducer gear box is more than or equal to 4mm/s, the friction of the gear and the bearing in the speed reducer is easily increased, the service life is influenced, the current overload and the fluctuation of the motor are increased, the motor is easily burnt, the blade joint is damaged and thrown away, certain potential safety hazards exist, and the practical use is inconvenient.

In order to adapt to the continuous development and technical progress of large-scale industrial cooling towers, a new type of driving device for fans of the industrial cooling towers needs to be further improved and developed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the problems of unreasonable structural design and inconvenient use of the driving device of the fan of the existing industrial cooling tower are solved. The utility model aims at providing a structure is novel practical, can utilize in-wheel motor direct drive to can carry out the condenser tube cooling with in-wheel motor, long service life, easy operation, the noise is little, the new-type industrial cooling tower fan's that the potential safety hazard is low drive arrangement.

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a take water cooling system wheel hub alternating current motor type industrial cooling tower's fan drive arrangement, it includes: the cooling mechanism of industry cooling tower body, dryer, fan blade, fan actuating mechanism, fan motor, fan actuating mechanism comprises wheel hub formula motor connection fan blade, the cooling mechanism of fan motor comprises wheel hub motor cooling outlet pipe and wheel hub motor cooling inlet tube connection, and the wheel hub motor cools off the shower nozzle raceway of advancing water piping connection water distribution system trunk, and the outlet pipe mouth dress of wheel hub motor cooling outlet pipe even has the motor cooling water shower nozzle who arranges in cooling tower packing layer water distribution shower nozzle side by side. The cooling mechanism of the fan motor can ensure that the hub type motor does not generate heat and overload after long-term operation.

Above-mentioned take fan drive arrangement of water cooling system wheel hub alternating current motor type industry cooling tower, wheel hub formula motor includes: the motor comprises a motor base, a motor upper end cover, a motor stator, a motor magnetic yoke, a permanent magnet magnetic pole, a rotor coil, a rotor frame, a rotor iron core, a motor rotor output shaft, a collecting ring and a motor power cable.

In the fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system, the motor rotor output shaft of the hub motor is a double-key connection structure of the motor rotor output shaft, wherein a shaft body key is embedded on a shaft body, and a shaft sleeve key is embedded on the top of the shaft body and is respectively connected with the blade hub of the fan blade and the central shaft sleeve body of the rotor frame; the blade hub connected with the output shaft of the motor rotor through the embedded shaft body key is connected with the blade hub connected with the clamping gland through a plurality of screws.

According to the fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system, the motor center positioning shaft and the rotor frame are respectively connected in a matched mode through the second ball bearing, the needle roller bearing and the first framework sealing gasket, and the second framework sealing gasket is connected to the top of the second ball bearing in an assembled mode. The hub type motor runs smoothly.

According to the fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system, the output shaft of the motor rotor is connected with the upper end cover of the motor in a matched mode through the first ball bearing.

According to the fan driving device of the hub alternating-current motor type industrial cooling tower with the water cooling system, the motor base is fixedly connected with the motor foundation pier through the embedded bolt, and the motor foundation pier is connected with the central axis in the tower body of the industrial cooling tower in an assembling mode.

In the fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system, the hub motor cooling water outlet pipe and the hub motor cooling water inlet pipe are communicated with the motor center positioning shaft and are communicated with the prefabricated cooling cavity in the rotor frame.

The fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system is characterized in that a dehydrator is further arranged at the bottom of a motor foundation pier inside the tower body of the industrial cooling tower, and the dehydrator is composed of one or more rows of one to two rows of obliquely arranged battens and arc-shaped blade battens.

The hub type motor is vertically and fixedly connected to a motor foundation pier at the central position of the middle upper part of an inner cavity of the industrial cooling tower body, and a wind barrel made of glass fiber reinforced plastics is covered on the outer ring of a fan blade connected with the hub type motor. The practical operation results show that the air duct made of glass fiber reinforced plastics is more corrosion resistant and has longer service life than air ducts made of other materials.

The fan driving device with the water cooling system, the hub alternating current motor and the industrial cooling tower is characterized in that the hub alternating current motor is connected with the motor cooling water inlet electric control valve for controlling cooling water inlet on the hub motor cooling water inlet pipe, and the motor cooling water inlet electric control valve and the electric controller of the hub motor are respectively connected with the electric controller of the industrial cooling tower body through electric leads. The temperature control device can automatically regulate and control the cooling water inlet of the motor through the electric controller according to the actual running temperature condition of the hub type motor all the year round, thereby achieving the purpose of saving water resources.

The utility model discloses during the use, according to design requirement and actual need, assemble corresponding industry cooling tower body with the fan drive arrangement of neotype area water cooling system wheel hub alternating current motor type industry cooling tower on, can be used for the fan drive operation of industry cooling tower. When the hub motor is started, electric energy is provided through a motor power cable, so that after the collecting ring is electrified, the rotor coil generates a magnetic field to rotate relative to the motor stator, and further, the rotation of the hub motor drives the fan blade to rotate; after the hub motor is started, the water distribution system main pipe is connected to a water source, the water source is provided to enter the water pipe of the spray head, the water distribution spray head is opened, and water sprayed by the water distribution spray head exchanges heat with gas lifted upwards by the fan to realize cooling of the gas; the cooled gas rises and is dewatered by a dehydrator, so that the dried and cooled gas is discharged through an air duct; one mechanism of water in the water delivery pipe of the spray head is sprayed out through the water distribution spray head, and the other mechanism enters the inside of the rotor frame through the cooling water inlet pipe of the hub motor, so that the hub motor is cooled; the cooled water is discharged through a cooling water outlet pipe of the hub motor, and the hub motor is efficiently cooled through circulating water inlet and water discharge.

Because the utility model discloses an adopted above-mentioned technical scheme, the fan blade of adoption directly uses in-wheel motor drive, and the direct in-wheel motor drive's that uses mode that adopts also makes the cooling tower noise reduce by a wide margin, and it is unreasonable to have solved the drive arrangement structural design of current industry cooling tower fan effectively, has awkward problem. Also show through the experimental result of trying out of several times actual dress tower, it has the novel practicality of structure, can utilize wheel hub formula motor direct drive to can carry out condenser tube cooling with wheel hub formula motor, long service life, easy operation, the noise is little, and the potential safety hazard is low, uses advantages such as convenient, is applicable to and joins in marriage the industry cooling tower.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1, i.e., a hub motor.

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

FIG. 4 is a schematic top view of the embodiment of FIG. 1.

The reference numbers in the drawings are as follows: 1, industrial cooling tower body; 2 a filler layer; 3, a water distribution system main pipe; 4, a water delivery pipe of a spray head; 5, a water distribution nozzle; 6, a dehydrator; 7, a hub motor cooling water outlet pipe; 8, a cooling water inlet pipe of the hub motor; 9 hub type motor; 10, a motor foundation pier; 11 a fan blade; 12 air cylinders; 13, an upper end cover of the motor; 14 a motor stator; 15 a stator yoke; 16 permanent magnet poles; 17 a motor base; 18 rotor coils; 19 a rotor frame; 20 a blade hub; 21 a rotor core; 22 a bushing key; 23 a first ball bearing; 24 motor rotor output shaft; 25 collector rings; 26 needle roller bearings; 27. a first skeletal gasket; 28 motor power cables; 29 a second skeletal gasket; 30 shaft key; 31 a second ball bearing; 32 motor center positioning shaft; 33 motor cooling water spray heads; 34 electric motor cooling water inlet electric control valve; 35 clamp the gland.

Detailed Description

As shown in the embodiments of fig. 1-4, the present invention includes: the cooling device comprises an industrial cooling tower body 1, an air duct 12, a fan blade 11, a fan driving mechanism and a cooling mechanism of a fan motor, wherein the fan driving mechanism is formed by connecting a hub motor 9 with the fan blade 11, the cooling mechanism of the fan motor is formed by connecting a hub motor cooling water outlet pipe 7 and a hub motor cooling water inlet pipe 8, the hub motor cooling water inlet pipe 8 is connected with a spray head water delivery pipe 4 of a water distribution system main pipe 3, and a water outlet pipe opening of the hub motor cooling water outlet pipe 7 is connected with a motor cooling water spray head 33 which is arranged in parallel with a water distribution spray head 5 of a cooling tower packing layer 2; the hub motor 9 includes: a motor base 17, a motor upper end cover 13, a motor stator 14, a motor magnetic yoke 15, a permanent magnet magnetic pole 16, a rotor coil 18, a rotor frame 19, a rotor iron core 21, a motor rotor output shaft 24, a collecting ring 25 and a motor power cable 28, the top of the motor base 17 is fixedly connected with a motor stator 14, the top of the motor stator 14 is fixedly connected with a motor upper end cover 13, a motor magnetic yoke 15 is connected in a motor stator 14, a permanent magnet magnetic pole 16 is connected in the motor magnetic yoke 15, a rotor coil 18 is sleeved in the permanent magnet magnetic pole 16, a rotor iron core 21 is connected in the rotor coil 18, the rotor iron core 21 is sleeved on a rotor frame 19, a central axial line part in the rotor frame 19 is connected with a motor rotor output shaft 24, a collecting ring 25 is connected at the bottom of the motor rotor output shaft 24, the collecting ring 25 is connected with a motor power cable 28, and a motor central positioning shaft 32 is connected at the bottom of the motor rotor output shaft 24; the motor rotor output shaft 24 of the hub type motor 9 is a central shaft sleeve body which is provided with a shaft body key 30 in an embedding way on the shaft body and a shaft sleeve key 22 in an embedding way on the top of the shaft body and is respectively connected with the blade hub 20 of the fan blade 11 and the rotor frame 19, so that a double-key connection structure of the motor rotor output shaft is formed; the blade hub 20 connected with the output shaft 24 of the motor rotor through the embedded shaft body key 30 is connected with the blade hub connected with a clamping gland 35 through a plurality of screws; the motor center positioning shaft 32 and the rotor frame 19 are respectively matched and connected through a second ball bearing 31, a needle bearing 26 and a first framework sealing gasket 27, and a second framework sealing gasket 29 is connected to the top of the second ball bearing 31; the output shaft 24 of the motor rotor is matched and connected with the upper end cover 13 of the motor through a first ball bearing 23; the motor base 17 is fixedly connected with the motor foundation pier 10 through an embedded bolt, and the motor foundation pier 10 is arranged and connected at the central axis in the industrial cooling tower body 1; the hub motor cooling water outlet pipe 7 and the hub motor cooling water inlet pipe 8 penetrate through the motor center positioning shaft 32 and are communicated with a cooling cavity prefabricated in the rotor frame 19; the inside of the industrial cooling tower body 1 is also connected with a dehydrator 6 at the bottom of the motor foundation pier 10, and the dehydrator 6 in the embodiment is composed of two rows of obliquely arranged battens; the hub type motor 9 is vertically and fixedly arranged on a motor foundation pier 10 at the central position of the middle upper part of the inner cavity of the industrial cooling tower body 1, and a fan blade 11 connected with the hub type motor 9 is an air duct 12 with an outer ring covered with glass fiber reinforced plastics.

Referring to fig. 1-2, in this embodiment, the wheel hub motor cooling water inlet pipe 8 is connected to a motor cooling water inlet electric control valve 34 for controlling cooling water inlet, and the motor cooling water inlet electric control valve 34 and the electric controller of the wheel hub motor 9 are respectively connected to the electric controller of the industrial cooling tower body 1 through electric leads.

The above is only one example, and on the basis of the above, other technical features and solutions derived from adding parts and local improvements by those skilled in the art without creative efforts are all within the protection scope of the present invention.

Claims

1. The utility model provides a take fan drive arrangement of water cooling system wheel hub alternating current motor type industry cooling tower, it includes industry cooling tower body (1), dryer (12), fan blade (11), fan actuating mechanism, its characterized in that still includes the cooling body of fan motor, fan actuating mechanism connects fan blade (11) by wheel hub motor (9) and constitutes, the cooling body of fan motor is connected by wheel hub motor cooling outlet pipe (7) and wheel hub motor cooling inlet tube (8) and forms, and the shower nozzle raceway (4) of water distribution system dry pipe (3) are connected in wheel hub motor cooling inlet tube (8), and the outlet pipe mouth dress of wheel hub motor cooling outlet pipe (7) even has motor cooling water shower nozzle (33) that is located cooling tower packing layer (2) water distribution shower nozzle (5) side by side.

2. The fan driving device of the in-wheel alternating current motor type industrial cooling tower with the water cooling system according to claim 1, wherein the in-wheel motor (9) includes a motor base (17), a motor upper end cover (13), a motor stator (14), a motor yoke (15), a permanent magnet pole (16), a rotor coil (18), a rotor frame (19), a rotor core (21), a motor rotor output shaft (24), a collector ring (25), and a motor power cable (28), the motor stator (14) is fixedly connected to the top of the motor base (17), the motor upper end cover (13) is fixedly connected to the top of the motor stator (14), the motor yoke (15) is connected to the inside of the motor stator (14), the permanent magnet pole (16) is connected to the inside of the motor yoke (15), the rotor coil (18) is sleeved inside of the permanent magnet pole (16), a rotor core (21) is connected in a rotor coil (18), the rotor core (21) is sleeved on a rotor frame (19), a central axial line part in the rotor frame (19) is connected with a motor rotor output shaft (24), the bottom of the motor rotor output shaft (24) is connected with a collecting ring (25), the collecting ring (25) is connected with a motor power cable (28), and the bottom of the motor rotor output shaft (24) is connected with a motor center positioning shaft (32).

3. The fan driving device of an alternating current motor type industrial cooling tower with a water cooling system hub according to claim 1, wherein the motor rotor output shaft (24) of the hub motor (9) is a central shaft sleeve body which is provided with a shaft body key (30) embedded on the shaft body and a shaft sleeve key (22) embedded on the top of the shaft body and is respectively connected with a blade hub (20) of a fan blade (11) and a rotor frame (19), and is formed into a double-key connection structure of the motor rotor output shaft; the blade hub (20) connected with the output shaft (24) of the motor rotor through the embedded shaft body key (30) is connected with the blade hub connected with a clamping gland (35) through a plurality of screws.

4. The fan driving device of an alternating current hub type industrial cooling tower with a water cooling system according to claim 2, wherein the motor center positioning shaft (32) and the rotor frame (19) are respectively connected in a matching manner through a second ball bearing (31), a needle roller bearing (26) and a first skeleton sealing gasket (27), and a second skeleton sealing gasket (29) is connected to the top of the second ball bearing (31).

5. The fan driving device of an industrial cooling tower of an in-wheel alternating current motor type with a water cooling system according to claim 2, characterized in that the motor rotor output shaft (24) and the motor upper end cover (13) are connected in a matching way through a first ball bearing (23).

6. The fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system according to claim 2, wherein the motor base (17) is fixedly connected with the motor foundation pier (10) through embedded bolts, and the motor foundation pier (10) is installed and connected at the central axis in the tower body (1) of the industrial cooling tower.

7. The fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system according to claim 1, wherein the hub motor cooling water outlet pipe (7) and the hub motor cooling water inlet pipe (8) penetrate through a motor center positioning shaft (32) and are communicated with a cooling cavity prefabricated in the rotor frame (19).

8. The fan driving device of an alternating current motor type industrial cooling tower with a water cooling system hub according to claim 1, wherein a dehydrator (6) is further installed inside the industrial cooling tower body (1) at the bottom of the motor foundation pier (10), and the dehydrator (6) is composed of one or more rows of one to two rows of obliquely arranged battens and arc-shaped blade battens.

9. The fan driving device of an industrial cooling tower of a hub alternating current motor type with a water cooling system according to claim 1, wherein the hub motor (9) is vertically and fixedly connected to a motor base pier (10) at the center of the middle upper part of the inner cavity of the industrial cooling tower body (1), and an air duct (12) made of glass fiber reinforced plastic is covered on the outer ring of a fan blade (11) connected with the hub motor (9).

10. The fan driving device of the hub alternating current motor type industrial cooling tower with the water cooling system according to claim 1, wherein the hub motor cooling water inlet pipe (8) is connected with a motor cooling water inlet electric control valve (34) for regulating and controlling cooling water inlet, and the motor cooling water inlet electric control valve (34) and an electric controller of the hub motor (9) are respectively connected with an electric controller of the industrial cooling tower body (1) through electric leads.