CN211624140U - Side-mounted belt speed reducer - Google Patents
Side-mounted belt speed reducer Download PDFInfo
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- CN211624140U CN211624140U CN201922222414.XU CN201922222414U CN211624140U CN 211624140 U CN211624140 U CN 211624140U CN 201922222414 U CN201922222414 U CN 201922222414U CN 211624140 U CN211624140 U CN 211624140U
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- rotating shaft
- support
- belt
- mounted support
- mounting
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Abstract
The utility model discloses a side-mounted belt speed reducer, which comprises a vertical support plate, wherein the upper end and the lower end of the vertical support plate are fixed on a bracket; a vertical side-mounted support is arranged on the side wall of the supporting plate through a bolt; a rotating shaft is arranged in the side-mounted support; the upper end of the rotating shaft is connected with the fan, and the lower end of the rotating shaft is connected with the belt pulley; the belt pulley is connected with a motor arranged on the bracket through a belt. The invention adopts a side-mounted type, enhances the stability of operation, increases the load capacity of the bearing and has stable and reliable operation.
Description
Technical Field
The utility model relates to a cooling tower technical field specifically is a side dress formula belt reducer for cooling tower fan.
Background
As shown in fig. 1, a mounting mechanism of a fan at the top end of a cooling tower generally comprises a bracket, a belt reducer, a motor, a fan and a belt. The belt reducer comprises a support sleeve rod (comprising a bearing, a bearing end cover, an oil seal and a support plate), a shaft and a belt pulley. The belt pulley transmits power through a belt at the lower part to drive the shaft to rotate. The fan is equipped with on epaxial portion, for preventing that the fan from touching the motor tail end when rotatory, supports the loop bar and need do higher, and the box is the cone, and the fan arm of force is great, and for strengthening stability, lower part supporting disk diameter needs great to arouse the vibration when avoiding upper portion fan operation. Therefore, the supporting sleeve rod body is large, heavy, inconvenient to install and high in cost, and meanwhile, the support is also reinforced, and the weight is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a side dress formula belt reducer for the belt drive of cooling tower is applied to the fan on upper portion, and the belt pulley is in the transmission mode of lower part, for the end of touchhing the motor when avoiding the fan rotation, the box is higher relatively, and relative stability is relatively poor, and the side dress formula is adopted to this invention, has strengthened the stability of operation, has increased the load capacity of bearing, and the operation is reliable and stable.
In order to achieve the above object, the utility model adopts the following technical scheme:
a side-mounted belt speed reducer comprises a vertical support plate, the upper end and the lower end of which are fixed on a support; a vertical side-mounted support is arranged on the side wall of the supporting plate through a bolt; a rotating shaft is arranged in the side-mounted support; the upper end of the rotating shaft is connected with the fan, and the lower end of the rotating shaft is connected with the belt pulley; the belt pulley is connected with a motor arranged on the bracket through a belt.
As a further improvement of the above technical solution:
the bracket consists of an upper group of mounting frames and a lower group of mounting frames; the mounting frame is in a shape of a Chinese character 'jing' formed by mutually connecting cross beams and longitudinal beams; the upper end and the lower end of the supporting plate are fixedly arranged on the longitudinal beams on the upper group of mounting frames and the lower group of mounting frames.
The side-mounted support is cylindrical, and an oil chamber is formed by a gap between the inner cavity and the rotating shaft; mounting feet are arranged on the outer walls of the upper end and the lower end of the side-mounted support; a deep groove ball bearing is arranged at the joint of the upper end of the side-mounted support and the rotating shaft, and a tapered roller bearing is arranged at the joint of the lower end of the side-mounted support and the rotating shaft; the upper end of the side-mounted support is provided with an oil filling nozzle, and the lower end of the side-mounted support is provided with an oil discharging nozzle.
Vertical reinforcing ribs are distributed on the side wall of the side-mounted support.
The motor is located between the upper mounting frame and the lower mounting frame.
And a spiral groove for storing oil is formed in the outer wall of the rotating shaft.
Compared with the prior art, the utility model has the advantages of:
1. the device has the advantages that the mounting feet are vertically arranged, the mounting feet are connected with the speed reducer supporting plate, the distance between the mounting feet and the fan supporting point and the belt pulley supporting point is short, the force arm is small, and the vibration is small;
2. the upper bearing of the device adopts a deep groove ball bearing, the lower bearing adopts a tapered roller bearing, the upper bearing chamber and the lower bearing chamber are communicated, and the side-mounted support has compact structure, small clearance between the box body and the shaft, small oil chamber, small oil storage capacity of the box body and small oil replacement capacity in one time. Meanwhile, grease can be added from the upper grease filling nozzle, and the lower grease filling nozzle is opened to discharge waste grease, so that the replacement and cleaning of the internal grease are realized, and the service life of the bearing is prolonged;
3. the installation foot of the device is consistent with the position of the bearing, the force arm between the bearing and the installation foot is reduced, and the vibration under the stress state is reduced, so that the strength requirement of the box body is reduced, the thickness of the box body is reduced, and the weight of the box body is reduced.
Drawings
FIG. 1 is a schematic view of a conventional fan drive mounting arrangement;
fig. 2 is a schematic view of the installation structure of the present invention;
FIG. 3 is a schematic front view of the side mount support with the rotating shaft mounted thereon;
FIG. 4 is a schematic view of the internal structure of the side-mounted support after the rotating shaft is installed;
FIG. 5 is a schematic view of a 3D structure of a side-mounted support with a rotating shaft mounted thereon;
fig. 6 is a schematic structural diagram of a side-mounted support.
In the figure: 1. a fan; 2. a support; 21. a cross beam; 22. a stringer; 3. supporting the loop bar; 4. a belt pulley; 5. a motor; 6. a support plate; 7. a side-mounted support; 71. a rotating shaft; 72. mounting a foot; 73. reinforcing ribs; 74. an oil chamber; 75. a fuel filler nozzle; 76. a deep groove ball bearing; 77. an oil discharge nozzle; 78. a tapered roller bearing; 79. and (4) end covers.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.
As shown in fig. 1-6, the specific structure of the present invention is:
a side-mounted belt speed reducer comprises a vertical support plate 6, the upper end and the lower end of which are fixed on a bracket 2; a vertical side-mounted support 7 is mounted on the side wall of the support plate 6 through bolts; a rotating shaft 71 is arranged in the side-mounted support 7; the upper end of the rotating shaft 71 is connected with the fan 1, and the lower end of the rotating shaft is connected with the belt pulley 4; the belt pulley 4 is connected with a motor 5 mounted on the bracket 2 through a belt.
Further optimization is carried out on the basis of the embodiment:
as shown in fig. 2, the support 2 is composed of an upper set of mounting brackets and a lower set of mounting brackets; the mounting frame is formed in a shape of a Chinese character 'jing' by mutually connecting a cross beam 21 and a longitudinal beam 22; the upper end and the lower end of the supporting plate 6 are fixedly arranged on the longitudinal beams 22 on the upper group of mounting frames and the lower group of mounting frames.
As shown in fig. 3 to 5, the side mount type support 7 is cylindrical, and a gap between an inner cavity and the rotary shaft 71 forms an oil chamber 74; mounting feet 72 are arranged on the outer walls of the upper end and the lower end of the side-mounted support 7; a deep groove ball bearing 76 is arranged at the joint of the upper end of the side-mounted support 7 and the rotating shaft 71, and a tapered roller bearing 78 is arranged at the joint of the lower end of the side-mounted support 7 and the rotating shaft 71; the side-mounted support 7 is provided at an upper end thereof with a fuel filler nipple 75 and at a lower end thereof with a fuel drain nipple 77.
As shown in fig. 6, in order to improve the structural strength of the side mount, vertical reinforcing ribs 73 are distributed on the side wall of the side mount 7.
As shown in fig. 3, in order to make the center of gravity of the motor and the side-mounted bracket in a relatively same horizontal plane and improve the mounting stability, the motor 5 is positioned between the upper mounting frame and the lower mounting frame.
In order to improve the distribution uniformity of the lubricating oil in the side-mounted support and eliminate the sinking caused by the influence of gravity, a spiral groove for storing the oil is arranged on the outer wall of the rotating shaft 71.
The utility model discloses concrete theory of operation:
the invention is composed of a side-mounted support, a rotating shaft and a belt pulley, wherein the side-mounted support, a fan, a belt, a motor, a transmission part bracket and a support plate form a transmission part. The side-mounted support is composed of a bearing chamber, an oil chamber 74, a reinforcing rib 73 and a mounting foot 72, and is provided with an upper oil filling nozzle and a lower oil discharging nozzle, so that grease can be filled from the upper part until the whole oil chamber 74 is filled, and the grease can be discharged from the lower oil discharging nozzle, and the oil change is realized. The mounting feet 72 are divided into two parts, each of which has a mounting hole and a reinforcing rib, and are connected with the support plate, and the support plate is connected with the support frame. Go up the installation foot and be nearer apart from the fan, lower installation foot is nearer apart from the belt pulley for the arm of force of two power parts is little, and installation foot and bearing are in same position simultaneously, and under the fastening force of bolt, the arm of force is little, and stable in structure arouses that the vibration is little, has reduced the harm to the bearing.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (6)
1. A side-mounted belt speed reducer is characterized by comprising a vertical support plate (6) with the upper end and the lower end fixed on a support (2); a vertical side-mounted support (7) is mounted on the side wall of the support plate (6) through bolts; a rotating shaft (71) is arranged in the side-mounted support (7); the upper end of the rotating shaft (71) is connected with the fan (1), and the lower end of the rotating shaft is connected with the belt pulley (4); the belt pulley (4) is connected with a motor (5) arranged on the bracket (2) through a belt.
2. A side-mounted belt reducer according to claim 1, wherein the bracket (2) consists of two sets of mounting brackets; the mounting frame is formed in a shape like a Chinese character 'jing' by mutually connecting a cross beam (21) and a longitudinal beam (22); the upper end and the lower end of the supporting plate (6) are fixedly arranged on longitudinal beams (22) on the upper group of mounting frames and the lower group of mounting frames.
3. A side-mounted belt speed reducer according to claim 1, wherein the side-mounted mount (7) is cylindrical, and a clearance between an inner cavity and the rotating shaft (71) forms an oil chamber (74); mounting feet (72) are arranged on the outer walls of the upper end and the lower end of the side-mounted support (7); a deep groove ball bearing (76) is arranged at the joint of the upper end of the side-mounted support (7) and the rotating shaft (71), and a tapered roller bearing (78) is arranged at the joint of the lower end of the side-mounted support and the rotating shaft (71); the upper end of the side-mounted support (7) is provided with an oil filling nozzle (75), and the lower end of the side-mounted support is provided with an oil discharging nozzle (77).
4. A side mounted belt reducer according to claim 1 in which the side mounted support (7) has vertical reinforcing ribs (73) distributed on its side walls.
5. A side mounted belt reducer according to claim 2 in which the motor (5) is located between the upper and lower mounting brackets.
6. A side-mounted belt speed reducer according to claim 1, wherein the outer wall of the rotating shaft (71) is provided with a spiral groove for storing oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922222414.XU CN211624140U (en) | 2019-12-12 | 2019-12-12 | Side-mounted belt speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922222414.XU CN211624140U (en) | 2019-12-12 | 2019-12-12 | Side-mounted belt speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624140U true CN211624140U (en) | 2020-10-02 |
Family
ID=72628948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922222414.XU Active CN211624140U (en) | 2019-12-12 | 2019-12-12 | Side-mounted belt speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624140U (en) |
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2019
- 2019-12-12 CN CN201922222414.XU patent/CN211624140U/en active Active
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