Speed reducer for cooling water tower

Abstract

The utility model relates to the technical field of speed reducers, in particular to a speed reducer for a cooling water tower, which comprises a speed reducer, a speed reducer support frame and an output shaft support frame, the speed reducer is mounted at the bottom of the speed reducer support frame, and the output shaft support frame is arranged at the bottom of the speed reducer support frame. An output main shaft of the speed reducer is perpendicular to the top of the output shaft supporting frame. Through an assembly composed of the speed reducer, the speed reducer supporting frame, the output shaft supporting frame and the rotating piece, a set of speed reducer mechanism with high use stability is provided for the cooling water tower, so that in the process that the speed reducer is matched with the motor to drive the fan, the supporting stability of the motor, the speed reducer and the fan at the top in the cooling water tower is improved; a traditional low-speed shaft suspension structure is changed into a bearing auxiliary structure, eccentric force generated during operation is effectively resisted by increasing supporting points and stability of the bearing, and gear abrasion and bearing damage of the speed reducer are reduced.

Description

Technical Field

[0001] This utility model relates to the field of speed reducer technology, specifically to a speed reducer for cooling water towers. Background Technology

[0002] The speed reducer plays a crucial role in cooling towers. It transmits the driving force of the motor to the fan, causing the fan to rotate and realize the circulation and heat dissipation of the air inside the tower, thereby improving cooling efficiency. The performance and quality of the speed reducer are directly related to the operating efficiency and service life of the cooling tower.

[0003] Existing cooling tower reducers with low-speed shaft suspension structures for fan assembly and drive suffer from high output shaft suspension pull, leading to high bearing load on the fan and high gear friction pressure. Therefore, a new reducer for cooling towers is proposed to provide a highly stable reducer mechanism. This improves the stability of the motor, reducer, and fan within the top of the cooling tower during fan drive, replacing the traditional low-speed shaft suspension structure with a bearing-assisted structure. By increasing bearing support points and stability, it effectively resists eccentric forces generated during operation, reducing gear wear and bearing damage. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a reducer for cooling towers, offering a highly stable reducer mechanism. This improves the stability of the motor, reducer, and fan at the top of the cooling tower during the fan drive process, replacing the traditional low-speed shaft suspension structure with a bearing-assisted structure. By increasing the bearing support points and stability, it effectively resists the eccentric forces generated during operation, reducing gear wear and bearing damage.

[0005] The technical solution adopted by this utility model to solve its technical problem is a reducer for cooling towers, including a reducer, a reducer support frame and an output shaft support frame. The reducer is installed at the bottom of the reducer support frame, the output shaft support frame is set at the bottom of the reducer support frame, the output main shaft of the reducer is perpendicular to the top of the output shaft support frame, and a rotating component for supporting the rotation of the output main shaft is set at the center of the top circle of the output shaft support frame.

[0006] By adopting the above technical solution, a high-stability reducer mechanism is provided for the cooling tower through an assembly consisting of a reducer, a reducer support frame, an output shaft support frame, and rotating parts. This improves the stability of the motor, reducer, and fan at the top of the cooling tower during the process of the reducer working in conjunction with the motor to drive the fan. The traditional low-speed shaft suspension structure is replaced with a bearing-assisted structure. By increasing the bearing support points and stability, the eccentric force generated during operation is effectively resisted, reducing gear wear and bearing damage.

[0007] Specifically, a positioning protrusion is provided on one side of the output spindle.

[0008] Specifically, the rotating component includes a thrust bearing and a resistance-increasing washer ring. The bottom bushing of the thrust bearing is connected to the output shaft support frame. An inner support sleeve is fixedly connected to the inner circumference of the top bearing of the thrust bearing. The inner diameter of the inner support sleeve is consistent with the outer diameter of the output main shaft. A positioning groove corresponding to the positioning protrusion is opened on one side of the inner support sleeve.

[0009] The inner bottom of the inner support sleeve is provided with an annular support platform integral with it for supporting the bottom end of the output spindle. The inner diameter of the annular support platform is smaller than the outer diameter of the output spindle.

[0010] By adopting the above technical solution, the output shaft of the reducer and the fan to be installed on the output shaft are rotated and supported by the rotating component in conjunction with the output shaft support frame. This reduces the downward force of the output shaft on the fan and itself, and ensures the stability of the reducer driving the fan.

[0011] Specifically, the resistance-increasing pad ring is made of stainless steel, and anti-slip protrusions are provided at equal intervals on the top and bottom of the resistance-increasing pad ring.

[0012] By adopting the above technical solution, the friction-increasing pad ring can improve the supporting friction between the bottom of the fan and the thrust bearing based on its anti-slip protrusions, so that the thrust bearing can better provide rotational support for the bottom of the fan installed on the reducer.

[0013] Specifically, the reducer is equipped with a motor on top, the motor is mounted on the top of the reducer support frame, and the output shaft of the motor is connected to the input shaft of the reducer.

[0014] The beneficial effects of this utility model are as follows: By using a component consisting of a reducer, a reducer support frame, an output shaft support frame, and a rotating part, a high-stability reducer mechanism is provided for the cooling tower. This improves the stability of the motor, reducer, and fan at the top of the cooling tower during the process of the reducer working in conjunction with the motor to drive the fan. It replaces the traditional low-speed shaft suspension structure with a bearing-assisted structure. By increasing the support points and stability of the bearings, it effectively resists the eccentric force generated during operation, reduces gear wear and bearing damage, and solves the problem of high hanging pull on the output shaft of the reducer in existing cooling towers with low-speed shaft suspension structures that drive the fan, resulting in high load-bearing capacity of the reducer bearings on the fan and high gear friction pressure. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0017] Figure 2 This is a schematic diagram of the bottom of the reducer of this utility model;

[0018] Figure 3 This is a schematic diagram of the output shaft support frame of this utility model;

[0019] Figure 4 This is a schematic diagram of the inner support sleeve of this utility model;

[0020] Figure 5 For the present utility model Figure 3 Enlarged view of point A in the middle;

[0021] In the diagram: 1. Reducer; 11. Output spindle; 12. Positioning protrusion; 2. Motor; 3. Reducer support frame; 4. Output shaft support frame; 5. Rotating component; 51. Thrust bearing; 52. Inner support sleeve; 53. Annular support platform; 54. Positioning groove; 55. Resistance-increasing pad ring; 56. Anti-slip protrusion. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] To improve the stability of the motor, reducer, and fan support at the top of the cooling tower during the fan drive process, such as... Figure 1-5As shown, the present invention discloses a reducer for cooling towers, comprising a reducer 1, a reducer support frame 3, and an output shaft support frame 4. The reducer 1 is installed at the bottom of the reducer support frame 3, and the output shaft support frame 4 is disposed at the bottom of the reducer support frame 3. The output main shaft 11 of the reducer 1 is perpendicular to the top of the output shaft support frame 4, and a rotating member 5 for supporting the rotation of the output main shaft 11 is disposed at the center of the top of the output shaft support frame 4.

[0024] In use, the reducer 1, reducer support frame 3, output shaft support frame 4 and rotating part 5 provide a set of reducer mechanism with high stability for the cooling tower. This improves the stability of the motor, reducer and fan at the top of the cooling tower when the reducer works with the motor to drive the fan. It also changes the traditional low-speed shaft suspension structure to a bearing-assisted structure. By increasing the support points and stability of the bearings, it effectively resists the eccentric force generated during operation.

[0025] The present invention also includes a positioning protrusion 12 provided on one side of the output spindle 11.

[0026] The rotating component 5 includes a thrust bearing 51 and a resistance-increasing washer 55. The bottom bushing of the thrust bearing 51 is connected to the output shaft support frame 4. An inner support sleeve 52 is fixedly connected to the inner circumference of the top bearing of the thrust bearing 51. The inner diameter of the inner support sleeve 52 is consistent with the outer diameter of the output main shaft 11. A positioning groove 54 corresponding to the positioning protrusion 12 is opened on one side of the inner support sleeve 52.

[0027] The inner bottom of the inner support sleeve 52 is provided with an annular support platform 53 integral with it and used to support the bottom end of the output spindle 11. The inner diameter of the annular support platform 53 is smaller than the outer diameter of the output spindle 11.

[0028] In use, the rotating component 5, together with the output shaft support frame 4, provides rotational support for the output main shaft 11 of the reducer 1 and the fan that needs to be installed on the output main shaft 11, thereby reducing the downward force of the output main shaft 11 on the fan and itself, and ensuring the stability of the reducer 1 driving the fan.

[0029] This utility model also includes that the resistance-increasing pad ring 55 is made of stainless steel, and that anti-slip protrusions 56 are provided at equal intervals on the top and bottom of the resistance-increasing pad ring 55.

[0030] In use, the friction-increasing pad ring 55 can increase the supporting friction between the bottom of the fan and the thrust bearing 51 based on the anti-slip protrusions 56 on it, so that the thrust bearing 51 can better provide rotational support for the bottom of the fan installed on the reducer.

[0031] The present invention also includes a motor 2 on the top of the reducer 1, the motor 2 being mounted on the top of the reducer support frame 3, and the output shaft of the motor 2 being connected to the input shaft of the reducer 1.

[0032] In use, the reducer support frame 3 and output shaft support frame 4 are successively installed and fixed to the top of the cooling tower. Depending on the requirements, bolt installation or welding can be selected. The cooling tower fan is mounted on the output shaft 11 of the reducer 1, which can be installed via key pins or through a press-fit connection. The reducer 1 transmits the driving force of the motor 2 to the fan, enabling the fan to operate on the cooling tower. During use, a friction-increasing washer 55 is used to pad between the fan bushing and the thrust bearing 51, providing better frictional resistance between the fan and the upper bushing of the thrust bearing 51. This allows for better rotational support of the fan bottom via the thrust bearing 51, reducing the hanging pressure of the fan on the output shaft 11 of the reducer 1 and improving the stability of the reducer 1. Furthermore, the inner support sleeve 52 within the thrust bearing 51 provides rotational support to the bottom of the output shaft 11, further ensuring stability during rotation and reducing subsequent offset, thus improving the stability of the reducer in use with the cooling tower.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A speed reducer for cooling towers, characterized in that, It includes a reducer (1), a reducer support frame (3) and an output shaft support frame (4). The reducer (1) is installed at the bottom of the reducer support frame (3), and the output shaft support frame (4) is located at the bottom of the reducer support frame (3). The output main shaft (11) of the reducer (1) is perpendicular to the top of the output shaft support frame (4). A rotating component (5) for supporting the rotation of the output main shaft (11) is provided at the center of the top of the output shaft support frame (4).

2. The reducer for cooling towers according to claim 1, characterized in that, A positioning protrusion (12) is provided on one side of the output spindle (11).

3. A reducer for cooling towers according to claim 2, characterized in that, The rotating component (5) includes a thrust bearing (51) and a resistance-increasing washer (55). The bottom bushing of the thrust bearing (51) is connected to the output shaft support frame (4). An inner support sleeve (52) is fixedly connected to the inner circumference of the top bearing of the thrust bearing (51). The inner diameter of the inner support sleeve (52) is consistent with the outer diameter of the output main shaft (11). A positioning groove (54) corresponding to the positioning protrusion (12) is opened on one side of the inner support sleeve (52). The inner support sleeve (52) has an annular support (53) integrated with it at the bottom and used to support the bottom end of the output spindle (11). The inner diameter of the annular support (53) is smaller than the outer diameter of the output spindle (11).

4. A reducer for a cooling tower according to claim 3, characterized in that, The resistance-increasing pad ring (55) is made of stainless steel, and anti-slip protrusions (56) are provided at equal intervals on the top and bottom of the resistance-increasing pad ring (55).

5. A reducer for cooling towers according to claim 4, characterized in that, The reducer (1) is equipped with a motor (2) on top. The motor (2) is mounted on the top of the reducer support frame (3), and the output shaft of the motor (2) is connected to the input shaft of the reducer (1).

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