CN2646481Y - Reducer casing for cooling tower - Google Patents
Reducer casing for cooling tower Download PDFInfo
- Publication number
- CN2646481Y CN2646481Y CNU032748264U CN03274826U CN2646481Y CN 2646481 Y CN2646481 Y CN 2646481Y CN U032748264 U CNU032748264 U CN U032748264U CN 03274826 U CN03274826 U CN 03274826U CN 2646481 Y CN2646481 Y CN 2646481Y
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- CN
- China
- Prior art keywords
- speed reducer
- cooling tower
- main shaft
- end cap
- transmission main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a cooling tower gear box which has long service life, low cost and convenient installation. The utility model comprises a gear box and a main driving shaft; the main driving shaft is arranged and positioned on the gear box through a lower redial ball bearing, an upper redial ball bearing and a redial pushing force bearing on the two ends. The external part of the main driving shaft is sealed a lower end cap, a lower double frames rubber oil seal, upper end cap and upper double frames rubber oil seal. The lower end of the main driving shaft is connected with a triangular wheel hub and the upper end of the driving main shaft is connected with a fan. The utility model adopts the integrated design scheme of the outer cover and the bearing bracket, the gear box and the upper lower bearing brackets are formed into a united cast structure. The corresponding positions and dimensions of the upper bearing bracket and the lower bearing bracket can be controlled by the processing accuracy. The processing accuracy with moderate requirements can ensure a fine concentricity of the upper and lower bearing brackets. Therefore, the utility model is beneficial for the installation of the upper and lower bearings and the automatic concentration to ensure the accuracy performance in the middle part of the gear box main shaft so as to reduce the vibration and abnormal friction caused by the eccentricity of the main shaft as well as to maintain the steady running of the gear box and the running lifetime.
Description
[affiliated technical field]
The utility model relates to a kind of cooling tower speed reducer.
[background technique]
The existing cooling tower speed reducer housing that uses mostly is combined assembly structure, its structure more complicated, because mostly being up and down, two housings cooperate installation, make metal (upper seat relative position difficult to guarantee, the particularly difficult control of the coaxality at metal (upper seat center, thereby influence the accuracy of the central position of speed reducer main shaft, under this working condition, move speed reducer, inaccuracy even off-centre because of the central position of main shaft, will reduce transmission efficiency greatly, strengthen operating noise, accelerate the wearing and tearing of main shaft axle journal and bearing, lower the operating life of speed reducer.In this case, general in order to improve the centering performance of its metal (upper seat, must be by improving the validity that the machining accuracy that goes up lower shell body change the cooperation position of assembly, so production and processing technology complexity, processing request height, processing cost will be increased greatly like this.Simultaneously,, installing and during maintenance, installing each time and all will put when adjusting main shaft and adjust, aligning the coaxality at its center, increasing installation and maintenance work difficulty and operating time the metal (upper seat because it is a fabricated structure.
In addition, because its fabricated structure, the sealing between the last lower shell body also is the difficult problem of a long-term puzzlement always, seals the bad lubricant grease that will cause and reveals, and has a strong impact on lubrication effect.It below all is the drawback that existing cooling tower speed reducer exists.
[summary of the invention]
The utility model purpose is to provide a kind of long working life, adds this cost cooling tower speed reducer low and easy for installation.
The purpose of this utility model is to realize like this, this cooling tower speed reducer comprises speed reducer housing and transmission main shaft, transmission main shaft by two ends following radial ball bearing and last radial ball bearing installing and locating on the speed reducer housing, it is outside with lower end cap, following pair of skeleton rubber oil sealing, upper end cap and upward two skeleton rubber oil sealing sealings, the transmission main shaft lower end links to each other with the vee belt wheel hub, and the transmission main shaft upper end links to each other with blower fan.
The utility model cooling tower speed reducer adopts housing and bearing support global design scheme, speed reducer housing and the as a whole casting structure of metal (upper seat, the relative position of metal (upper seat and size can be by the precision controls of machining, thereby just can guarantee that on the basis that does not require too high machining accuracy the metal (upper seat has coaxality preferably, the dimensional accuracy height, help the installation and the automatic centering of metal (upper, thereby guarantee the accuracy of the central position of speed reducer main shaft, reduced vibration that off-centre caused and heel and toe wear, helped the smooth running and the service life of speed reducer because of main shaft.This kind integrated type cooling tower speed reducer housing is formed by the cast steel casting, production and processing technology is simple, its profile is the flange plate type structure of a hollow out, in a hollow tubular steelframe is arranged, both guaranteed that housing had enough intensity and stiffness, the consumption that reduces material has again reduced its weight and cost of production, and practicability is good.It is simple in structure, convenient for installation and maintenance simultaneously, when installation and maintenance, only needs that metal (upper is pressed into bearing support respectively and gets final product, and need not adjust the center coaxality that just can automatically guarantee two bearings more separately.Two radial ball bearings are pressed into bearing support up and down, guarantee the accurate of location, bear the speed reducer radial pressure simultaneously; Two thrust-bearings that match with it can bear thrust load, can guarantee simultaneously under the situation that a cover bearing damages, another set of can proper functioning, increased the functional reliability of speed reducer.Radial ball bearing is for being with monolateral ring structure, forms the lubricating chamber of sealing respectively with end cap and oil sealing up and down, add lubricant grease by the fuel filler neck that is built in end cap, thereby the system of assurance is fully lubricated.
[description of drawings]
Fig. 1 is the schematic representation of the utility model cooling tower speed reducer;
Fig. 2 is the partial enlarged drawing of Fig. 1.
[embodiment]
See also Fig. 1, cooling tower speed reducer of the present utility model mainly comprises speed reducer housing 16 and transmission main shaft 7, speed reducer housing 16 two ends have step 161 and upper bearing bracket 162 respectively, following radial ball bearing 15 and radial thrust bearing 14 are installed on step 161, and last radial ball bearing 21 is installed on upper bearing bracket 162.Following radial ball bearing 15 by two ends of transmission main shaft 7, go up radial ball bearing 21 and radial thrust bearing 14 installing and locating on speed reducer housing 16, it is outside with lower end cap 13, following pair skeleton rubber oil sealing 8, upper end cap 18 with go up pair skeleton rubber oil sealings 22 and seal.Lower end cap 13 and upper end cap 18 use bolt (figure does not show) to be fixed in speed reducer housing 16 respectively.Lower seal pad 12 is between lower end cap 13 and decelerating casing 16, and last sealing gasket 28 is between upper end cap 18 and decelerating casing 16.
Transmission main shaft 7 lower ends link to each other with vee belt wheel hub 1 by tapered sleeve 2 and spline 6, and as the power intake of speed reducer, pressing plate 3 is installed on the lower end surface of transmission main shaft 7 by bolt 5 and bullet pad 4.
Transmission main shaft 7 upper ends link to each other with blower fan 19 by spline 20, and pressing plate 25 is installed on the upper-end surface of transmission main shaft 7 by bullet pad 26 and bolt 27.
See also Fig. 2, lower end cap 13 has a built-in fuel filler neck 11, and it is used for control oiling or fuel-displaced.Similarly, upper end cap 18 has this structure.
The utility model cooling tower speed reducer adopts housing and bearing support global design scheme, speed reducer housing 16 and metal (upper seat 161,162 as a whole casting structures, metal (upper seat 161,162 relative position and size can be by the precision controls of machining, thereby on the basis that does not require too high machining accuracy, just can guarantee metal (upper seat 161,162 have coaxality preferably, the dimensional accuracy height, help the installation and the automatic centering of metal (upper, thereby guarantee the accuracy of the central position of speed reducer transmission main shaft 7, reduced vibration that off-centre caused and heel and toe wear, helped the smooth running and the service life of speed reducer because of transmission main shaft 7.This kind integrated type cooling tower speed reducer housing 16 is formed by the cast steel casting, production and processing technology is simple, its profile is the flange plate type structure of a hollow out, in a hollow tubular steelframe is arranged, both guaranteed that housing 16 had enough intensity and stiffness, the consumption that reduces material has again reduced its weight and cost of production, and practicability is good.It is simple in structure, convenient for installation and maintenance simultaneously, when installation and maintenance, only needs that metal (upper is pressed into bearing support 161,162 respectively and gets final product, and need not adjust the center coaxality that just can automatically guarantee bearing more separately.Two radial ball bearings 15,21 are pressed into bearing support up and down, guarantee the accurate of location, bear the speed reducer radial pressure simultaneously; Two radial thrust bearings 14 that match with it can bear thrust load, can guarantee simultaneously under the situation that a cover bearing damages, another set of can proper functioning, increased the functional reliability of speed reducer.Upward and downward heart ball bearing 15,21 is for being with monolateral ring structure, end cap 13,18 and two up and down skeleton rubber oil sealing 8,22 are formed the lubricating chamber that seals respectively with up and down, the fuel filler neck of end cap 13,18 adds lubricant grease by being built in up and down, thereby the system of assurance is fully lubricated.
Although the utility model is to describe with reference to specific embodiment, this description and not meaning that is construed as limiting the utility model.With reference to description of the present utility model, other of the disclosed embodiments change, and all can expect for those skilled in the art.Therefore, such variation can not break away from affiliated claim restricted portion and spirit.
Claims (10)
1. cooling tower speed reducer, it is characterized in that comprising speed reducer housing (16) and transmission main shaft (7), transmission main shaft (7) by two ends following radial ball bearing (15) and last radial ball bearing (21) installing and locating on speed reducer housing (16), its outside lower end cap (13), following pair of skeleton rubber oil sealing (8), upper end cap (18) and last pair skeleton rubber oil sealing (22) used seals, transmission main shaft (7) lower end links to each other with vee belt wheel hub (1), and transmission main shaft (7) upper end links to each other with blower fan (19).
2. cooling tower speed reducer according to claim 1, it is characterized in that, this cooling tower speed reducer also comprises lower seal pad (12) and last sealing gasket (28), lower seal pad (12) is positioned between lower end cap (13) and the decelerating casing (16), and last sealing gasket (28) is positioned between lower end cap (13) and the decelerating casing (16).
3. cooling tower speed reducer according to claim 1 is characterized in that, transmission main shaft (7) upper end links to each other with blower fan (19) by spline (20), and pressing plate (25) is installed on the upper-end surface of transmission main shaft (7) by bullet pad (26) and bolt (27).
4. cooling tower speed reducer according to claim 1, it is characterized in that, transmission main shaft (7) lower end links to each other with vee belt wheel hub (1) by tapered sleeve (2) and spline (6), and pressing plate (3) is installed on the lower end surface of transmission main shaft (7) by bolt (5) and bullet pad (4).
5. cooling tower speed reducer according to claim 1 is characterized in that, speed reducer housing (16) has the screw (23) that is used to install.
6. cooling tower speed reducer according to claim 1 is characterized in that, speed reducer housing (16) has the suspension ring (17) that are used for convenient carrying.
7. cooling tower speed reducer according to claim 1 is characterized in that, lower end cap (13) has built-in being used to and controls oiling or fuel-displaced fuel filler neck (11).
8. cooling tower speed reducer according to claim 1 is characterized in that, upper end cap has built-in being used to and controls oiling or fuel-displaced fuel filler neck.
9. cooling tower speed reducer according to claim 1, it is characterized in that, these speed reducer housing (16) two ends have step (161) and upper bearing bracket (162) respectively, following radial ball bearing (15) is installed on step (161), and last radial ball bearing (21) is installed on upper bearing bracket (162).
10. cooling tower speed reducer according to claim 1 is characterized in that, this cooling tower speed reducer also comprises a radial thrust bearing (14), and it is installed on down between radial ball bearing (15) and the lower end cap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032748264U CN2646481Y (en) | 2003-09-28 | 2003-09-28 | Reducer casing for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032748264U CN2646481Y (en) | 2003-09-28 | 2003-09-28 | Reducer casing for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2646481Y true CN2646481Y (en) | 2004-10-06 |
Family
ID=34302055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032748264U Expired - Lifetime CN2646481Y (en) | 2003-09-28 | 2003-09-28 | Reducer casing for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2646481Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359575A (en) * | 2011-10-21 | 2012-02-22 | 南京大洋冷却塔股份有限公司 | Speed reducer used for cooling tower |
| CN102889367A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft integration device |
| CN102889308A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft device |
| CN102889309A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft device |
| CN105156639A (en) * | 2015-08-21 | 2015-12-16 | 燕京啤酒(玉林)有限公司 | Transmission device of reduction gearbox of hollow cooling tower |
-
2003
- 2003-09-28 CN CNU032748264U patent/CN2646481Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889367A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft integration device |
| CN102889308A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft device |
| CN102889309A (en) * | 2011-07-22 | 2013-01-23 | 吴江市宏亿纺织有限公司 | Output shaft device |
| CN102359575A (en) * | 2011-10-21 | 2012-02-22 | 南京大洋冷却塔股份有限公司 | Speed reducer used for cooling tower |
| CN105156639A (en) * | 2015-08-21 | 2015-12-16 | 燕京啤酒(玉林)有限公司 | Transmission device of reduction gearbox of hollow cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SPX (GUANGZHOU) COOLING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU MARLEY COOLING TOWER CO., LTD. Owner name: GUANGZHOU MARLEY COOLING TOWER CO., LTD. Free format text: FORMER NAME: GUANGZHOU MALIXINLING COOLING TOWER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Baiyun District of Guangzhou City, Guangdong province 510450 Shijing dragon Jiaolu No. 1233 Patentee after: SPX Cooling Technology Co.,Ltd. (Guangzhou) Address before: Baiyun District of Guangzhou City, Guangdong province 510450 Shijing dragon Jiaolu No. 1233 Patentee before: Guangzhou Marley cooling tower Co.,Ltd. Address after: Baiyun District of Guangzhou City, Guangdong province 510450 Shijing dragon Jiaolu No. 1233 Patentee after: Guangzhou Marley cooling tower Co.,Ltd. Address before: Baiyun District of Guangzhou City, Guangdong province 510450 Shijing dragon Jiaolu No. 1233 Patentee before: MALI XINLING COOLING TOWER Co. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130928 Granted publication date: 20041006 |