KR20100025065A

KR20100025065A - A deceleration device for cooling tower

Info

Publication number: KR20100025065A
Application number: KR1020080083677A
Authority: KR
Inventors: 최인태
Original assignee: (주)태영정기
Priority date: 2008-08-27
Filing date: 2008-08-27
Publication date: 2010-03-09

Abstract

The present invention relates to a deceleration device for a cooling tower, and more particularly, the deceleration device is installed vertically, and at the same time, the deceleration device and the motor are integrally formed so that the installation is easy and maintenance is easy. It relates to a cooling tower deceleration device that can prevent this leakage.

The present invention for achieving the above object is a deceleration device installed in the cooling tower, a housing having a first space chamber is formed on the inside, and fastened and fixed to the lower portion of the housing, the flange and the second space chamber is formed on the inside; The rotation shaft is fastened and fixed so that the flange penetrates, the upper part is positioned in the first space chamber of the housing, and the fan is fastened and fixed to the driven shaft, a fan fastened and fixed to the lower part of the rotary shaft, and a motor transmitting power to the rotary shaft. Characterized in that provided.

Description

Reduction device for cooling tower {A deceleration device for cooling tower}

In general, air conditioners used for indoor air conditioning of buildings and industrial cooling devices send high-temperature cooling water heated by heat exchangers (condensers) to a cooling tower (cooling tower) installed on the ground or on the roof, and an oil heat exchanger. The hot coolant heat exchanged at is introduced through the coolant inlet pipe at the bottom of the cooling tower. Thereafter, by rotating the cooling water distribution tank in the upper portion by the pressure of the cooling water circulated, the cooling water is sprayed from the upper portion.

At this time, the fan is fastened to the shaft of the reduction gear connected to the drive motor to increase the cooling efficiency, so that the external cold air is exchanged with the cooling water sprayed from the upper through the lower part of the cooling tower. At this time, the hot air is discharged to the outside and the heat exchanged cooling water is discharged through the outlet pipe of the lower part of the cooling tower and then supplied to the oil heat exchanger through a boosting pump.

As described above, in the conventional cooling tower, a speed reduction device for rotating the fan is installed at the upper end, and FIG. 1 is a view showing the speed reduction device installed in the conventional cooling tower.

As shown therein, the speed reduction device 1 installed in a conventional cooling tower includes a housing 2 between the housing 2 and the housing 3 and the shaft 3 vertically penetrating the inside of the housing 2. The bearing is installed between the shaft and the shaft 3, and the upper and lower portions of the shaft 3 protrude upward and downward of the housing 2, respectively, to support the belt 5 connected to the motor 4 at the upper portion thereof. 6 is connected, and a fan 7 is fixed to the lower end of the shaft 3 so as to rotate together with the shaft 3.

However, the conventional speed reduction device has a problem that the installation time is taken a lot, because the shaft and the motor are installed to be connected to each other by a belt.

In addition, in order to repair the deceleration device when a failure occurs, it is necessary to disassemble and repair the entire deceleration device after reassembly, and thus, the maintenance and inspection of the deceleration device is cumbersome and time-consuming.

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems, and has an object to shorten the installation time of the reduction apparatus by integrally forming a motor for transmitting power to the reduction apparatus.

In addition, by fastening and fixing the motor to the upper portion of the housing of the reduction gear to form a single unit, when disassembling only the motor so that you can easily check whether the gear provided on the inside of the housing is damaged, and at the same time easy to perform maintenance work Its purpose is to.

In addition, the inner side of the housing is filled with oil to prevent the wear of gears, and the lower portion of the housing is fastened with a flange filled with grease inside, so that the oil filled inside the housing leaks and falls into the cooling water to contaminate the cooling water. Its purpose is to prevent it.

Here, the housing is formed in the upper and lower openings, respectively, the first and second openings in association with the first space chamber, the first and second openings are characterized in that the center is offset.

Furthermore, the first space chamber of the housing is characterized in that the oil is filled.

In addition, the flange is fitted into the lower second open hole of the housing is fixed, the through hole is formed in the upper and lower portions of the second space, characterized in that the bearing is provided on the inner peripheral surface of the through hole of the flange.

The grease is filled in the second space chamber of the flange.

Here, the cover member is inserted into the lower through hole of the flange and fixed to cover the second space chamber.

In addition, the oil seal is provided in each of the inner circumferential surface of the upper through hole of the flange and the position where the rotating shaft is fitted to the cover member.

In addition, the motor is fastened and fixed to the fixing member covering the upper first opening of the housing, the motor shaft is fixed to be positioned in the first space of the housing on the upper portion of the fixing member, the driven end of the motor shaft It is characterized in that the driving gear is engaged with the gear.

The present invention configured as described above has an effect of shortening the installation time of the reduction apparatus by integrally forming a motor for transmitting power to the reduction apparatus.

In addition, by fastening and fixing the motor to the upper portion of the housing of the reduction gear to form a single unit, when disassembling only the motor so that you can easily check whether the gear provided on the inside of the housing is damaged, and at the same time easy to perform maintenance work It is effective.

In addition, the inner side of the housing is filled with oil to prevent the wear of gears, and the lower portion of the housing is fastened with a flange filled with grease inside, so that the oil filled inside the housing leaks and falls into the cooling water to contaminate the cooling water. It is effective to prevent it.

Hereinafter, with reference to the accompanying drawings for the cooling tower reduction device according to the present invention will be described in detail.

2 is a cross-sectional perspective view showing a cooling tower speed reduction apparatus according to the present invention, Figure 3 is a cross-sectional view showing a cooling tower speed reduction apparatus according to the present invention.

As shown in Figures 2 and 3 in the cooling device reduction apparatus according to the present invention in the deceleration device 100 is installed in a conventional kling tower, the deceleration device 100 is the first space chamber 112 in the inside; Is provided with a housing 110.

Here, the housing 110 has a first open hole 114a and a second open hole 114b are formed in the upper and lower portions in association with the first space chamber 112, respectively, and the first open hole 114a. And the second open hole 114b are formed in opposite directions with their centers displaced from each other.

In addition, the housing 110 is filled with oil in the first space chamber 112, and is provided with an oil inlet 115a for filling and supplying oil to the first space chamber 112.

In addition, an air discharge hole 115b for discharging air generated when oil is injected into the first space chamber 112 is formed, and an oil discharge port 115c for discharging oil is formed.

In addition, an upper portion is fitted into the lower second opening hole 114b of the housing 110, and a flange 210 is fastened and fixed by a fixing means.

Here, a second space chamber 212 is formed inside the flange 210, and first and second through holes 214a and 214b are formed to penetrate up and down.

Furthermore, a cover member 216 is fastened and fixed to cover the second space chamber 212 in the lower second through hole 214b of the flange 210.

In addition, although the grease is filled in the second space chamber 212, a grease injection hole 213 for injecting grease is provided in the flange 210.

In addition, the flange 210 and the cover member 216 is fastened and fixed, the upper end is located in the first space chamber 112 of the housing 110, the driven gear 312 is fastened and fixed, the lower end The rotating shaft 310 is provided to protrude to the lower portion of the cover member 216 is provided.

Here, bearings 314a and 314b are fastened and fixed to the outer circumferential surface of the rotary shaft 310, that is, each of the upper first through hole 214a and the lower second through hole 214b of the flange 210. Oil chambers 315a and 315b are provided at lower ends of the bearings 314a and 314b fastened and fixed to 310.

The fan 410 is fastened and fixed to the lower end of the rotary shaft 310, and the nut 316 is fastened to the lower end of the rotary shaft 310 such that the fan 410 is fixed to the rotary shaft 310.

In addition, a motor 510 is provided at an upper end of the housing 110 to transmit power to the rotation shaft 310.

Here, the motor 510 is provided with a fixing member 512 that is fixed by the fixing means to cover the first opening (114a) formed in the upper portion of the housing 110.

Furthermore, the motor 510 is fastened and fixed to the fixing member 512 such that the motor shaft 514 is disposed on the fixing member 512 so that the motor shaft 514 is positioned in the first space chamber 112 of the housing 110.

In addition, a driving gear 516 is provided at the end of the motor shaft 514 to mesh with the driven gear 312 to transmit the power of the motor 510 to the rotation shaft 310.

On the other hand, between the contact surface of the housing 110 and the flange 210 and the flange 210 and the cover member 216 is in close contact with the leakage preventing means for preventing the leakage of the oil inside.

Referring to the operational relationship for the cooling tower reduction device according to the present invention configured as described above are as follows.

Cooling tower deceleration apparatus 100 according to the present invention is to operate the motor 510 after the cooling tower is installed in the cooling tower to the driven gear (312) while rotating the motive gear 516 fastened to the motor 510 The fan 410 rotates by the rotation of the rotating shaft 310 which is rotated integrally with the driven gear 312 to suck the outside air to cool the cooling water, and then discharge the air to the outside.

At this time, the oil is filled in the first space chamber 112 of the housing 110, so that the gears 516 and the driven gears 312 are engaged with each other, and the gears are worn or damaged due to friction with each other during rotation. Can be prevented.

In addition, when the motor 510 and the fixing member 512 are separated from the housing 110 when the driven gear 312 and the driving gear 516 are worn or damaged, the first space chamber (of the housing 110) 112 is opened to facilitate the maintenance work due to wear or breakage of the reduction device 100 easily.

In addition, grease is filled in the second space chamber 212 of the flange 210 so that the oil filled in the first space chamber 112 of the housing 110 leaks and mixes with the coolant to contaminate the coolant. At the same time, the oil seal makes it possible to prevent oil leakage more robustly.

On the other hand, by forming the reduction device 100 and the motor 510 integrally, the installation of the reduction device 100 in the cooling tower can be easily made, the installation time is shortened.

In the above description of the preferred embodiment of the cooling tower deceleration apparatus according to the present invention, but the present invention is not limited to this, and various modifications within the scope of the claims and the detailed description of the invention and the accompanying drawings It is possible to implement, which also belongs to the scope of the present invention.

1 is a view showing a conventional cooling tower reduction device.

Figure 2 is a cross-sectional perspective view of a cooling tower speed reduction apparatus according to the present invention.

Figure 3 is a cross-sectional view showing a reduction device for a cooling tower according to the present invention.

[Description of Symbols for Main Parts of Drawing]

100: reduction device 110: housing

112, 212: 1st, 2nd room 114a, 114b: 1st, 2nd opening

210: flange 214a, 214b: first and second through holes

216: cover member 310: rotating shaft

312: driven gear 314a, 314b: bearing

315a, 315b: oil seal 316 nut

410: fan 510: motor

512: fixing member 514: motor shaft

516: original gear

Claims

In the reduction gear installed in the cooling tower,

A housing having a first space chamber formed therein;

A flange fixed to a lower portion of the housing and having a second space chamber formed therein;

A rotation shaft which is fastened and fixed to penetrate the flange, and an upper portion of which is located in the first space chamber of the housing to fasten and fix the driven gear;

A fan fastened to and fixed to a lower portion of the rotating shaft;

Cooling tower reduction device, characterized in that the motor for transmitting power to the rotating shaft is provided.

The method of claim 1,

The housing has a first and second openings are formed in the upper and lower, respectively, in association with the first space chamber, the first and second openings, the reduction gear for cooling tower, characterized in that the center is offset.

The method of claim 2,

Reduction device for a cooling tower, characterized in that the first space chamber of the housing is filled with oil.

The method of claim 3, wherein

The flange is fitted into the lower second open hole of the housing and is fixed, through holes are formed in the upper and lower portions of the second space chamber,

Cooling tower reduction device, characterized in that the bearing is provided on the inner circumferential surface of the through hole of the flange.

The method of claim 4, wherein

Reduction device for cooling tower, characterized in that the second space chamber of the flange is filled with grease.

The method of claim 5, wherein

A cooling member for cooling tower, characterized in that the cover member is inserted into the lower through hole of the flange and fixed to cover the second space chamber.

The method of claim 6,

Cooling tower reduction device, characterized in that the oil seal is provided in each of the inner circumferential surface of the upper through-hole of the flange and the rotation shaft is fitted to the cover member.

The method according to any one of claims 1 to 7,

The motor is fastened and fixed to the fixing member for covering the upper first opening of the housing,

The motor shaft is fixed to the upper part of the fixing member by the first space chamber of the housing,

Cooling tower reduction device, characterized in that the end of the motor shaft is provided with a motive gear meshing with the driven gear.