CN221257570U

CN221257570U - Belt transmission hybrid power device with built-in water turbine

Info

Publication number: CN221257570U
Application number: CN202323347108.1U
Authority: CN
Inventors: 李大应
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-07-02
Anticipated expiration: 2033-12-08

Abstract

The utility model discloses a belt transmission hybrid power device with a built-in water turbine, which relates to the technical field of water turbines of cooling towers, and comprises a water turbine and a bracket, wherein the water turbine is fixedly arranged on the bracket, and a built-in adapter and an auxiliary motor are fixedly arranged on the bracket; the built-in adapter comprises an adapter input shaft, an input gear and an output gear; the output gear is fixedly sleeved on the main shaft of the water turbine, the input gear is meshed with the output gear, and the input gear is fixedly sleeved at one end of the input shaft of the adapter. According to the utility model, the transmission structure is relatively independent through the water turbine, the bracket, the built-in adapter, the auxiliary motor and the main shaft, so that the transmission structure is not in contact with the main shaft, the operation can be completed without disassembling the fan when the transmission structure is subjected to the operations of maintenance, repair, disassembly and the like, the labor intensity of workers is reduced, the influence on production is reduced, and unnecessary troubles are reduced.

Description

Belt transmission hybrid power device with built-in water turbine

Technical Field

The utility model relates to the technical field of cooling tower water turbines, in particular to a belt transmission hybrid power device with a built-in water turbine.

Background

At present, the energy-saving technology of the water turbine of the cooling tower is improved by adopting a built-in water turbine, because the surplus energy of circulating water is often lower than the power of a fan shaft, the single action of the water turbine cannot meet the power requirement of the fan, and the power compensation is required to be carried out in a mixed action mode, the first is a direct-linkage mixed action mode of a permanent magnet motor of the built-in water turbine, but because the permanent magnet motor is high in manufacturing cost and large in investment, general users do not adopt the direct-linkage mixed action mode; the second type is a belt transmission mixed motion type of a built-in motor. The belt drive mixing form is also divided into two types: the common defects of the two mixed driving modes are that a large belt pulley is arranged at the upper end of a water turbine (a main shaft) (a fan shaft is axially connected to the main shaft), the belt is troublesome to replace, and the fan needs to be stopped and disassembled to influence production. The belt transmission one-time deceleration mode also has the problems of overlarge large belt pulley, small belt pulley wrap angle, low transmission efficiency, large belt pulley center distance, long cantilever of a motor mounting bracket and the like, and the problems of the vertical mounting of a motor shaft, troublesome belt tensioning adjustment and the like.

Disclosure of utility model

The utility model aims to provide a belt transmission hybrid power device with a built-in water turbine, which solves the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme that the hydraulic turbine comprises a hydraulic turbine and a bracket, wherein the bracket is fixedly arranged on the hydraulic turbine, and a built-in adapter and an auxiliary motor are fixedly arranged on the bracket;

The built-in adapter comprises an adapter input shaft, an input gear and an output gear; the output gear is fixedly sleeved on the main shaft of the water turbine, the input gear is fixedly sleeved at one end of the input shaft of the adapter, the input gear is meshed with the output gear, and a transmission structure is arranged between the input shaft of the adapter and the output shaft of the auxiliary motor.

Preferably, the rotation speed ratio of the input gear to the output gear is between 2.2-2.5.

Preferably, the main shaft is arranged perpendicular to the adapter input shaft.

Preferably, the transmission structure comprises a small belt pulley, a V-ribbed belt and a large belt pulley, wherein the small belt pulley is fixedly arranged on an output shaft of the auxiliary motor, the large belt pulley is fixedly arranged on an input shaft of the adapter, the V-ribbed belt is sleeved on the small belt pulley and the large belt pulley, and the V-ribbed belt is used for transmission between the small belt pulley and the large belt pulley.

Preferably, the ratio of rotation of the small pulley to the large pulley is between 3.2 and 3.5.

Preferably, the input gear and the output gear are located inside a housing of the built-in adapter, and an end of the adapter input shaft remote from the input gear penetrates the housing of the input gear and extends to the outside of the housing of the built-in adapter.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the transmission structure is relatively independent through the water turbine, the bracket, the built-in adapter, the auxiliary motor and the main shaft, so that the transmission structure is not in contact with the main shaft, the operation can be completed without disassembling the fan when the transmission structure is subjected to the operations of maintenance, repair, disassembly and the like, the labor intensity of workers is reduced, and the influence on production can be reduced.

Drawings

FIG. 1 is a front view of the overall layout of the present utility model;

FIG. 2 is a top plan view of the overall layout of the present utility model;

Fig. 3 is an internal structural view of the built-in adapter of fig. 1 according to the present utility model.

In the figure: 1. a water turbine; 2. an internal adapter; 3. an auxiliary motor; 4. a bracket; 11. a main shaft; 21. an adapter input shaft; 22. an input gear; 23. an output gear; 31. a small pulley; 32. a V-ribbed belt; 33. a large belt pulley.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a belt-driven hybrid power device with a built-in water turbine, which comprises a water turbine 1 and a bracket 4, wherein the bracket 4 is fixedly installed on the water turbine 1, the bracket 4 is a fixedly installed base, an auxiliary motor 3 is fixedly installed on the bracket 4, and the auxiliary motor 3 is horizontally installed on a horizontal base of the bracket 4. The water turbine 1 is also fixedly mounted on the bracket 4, so that a main shaft 11 on the water turbine 1 is in a vertical state (an impeller in the water turbine 1 is fixedly connected with the main shaft 11), and the main shaft 11 is fixedly connected with a fan shaft.

The bracket 4 is also provided with a built-in adapter 2, and the built-in adapter 2 comprises a shell, an adapter input shaft 21, an input gear 22 and an output gear 23; the input gear 22 and the output gear 23 are bevel gears. The input gear 22 and the output gear 23 are both arranged in the housing of the built-in adapter 2, the input gear 22 and the output gear 23 are arranged in the housing of the built-in adapter 2, and one end of the adapter input shaft 21, which is far away from the input gear 22, penetrates through the housing of the input gear 22 and extends to the outside of the housing of the built-in adapter 2. The output gear 23 is fixedly sleeved on the main shaft 11 of the water turbine 1, the input gear 22 is meshed with the output gear 23, the input gear 22 is fixedly sleeved on one end of the adapter input shaft 21, the fixed sleeve is connected with the gears through keys in the prior art, and the main shaft 11 is vertically arranged with the adapter input shaft 21. A transmission structure is provided between the adapter input shaft 21 and the output shaft of the auxiliary motor 3. The adapter input shaft 21 extends to the outside of the shell of the built-in adapter 2, so that the operation of directly installing, detaching, maintaining and the like on a transmission structure by workers can be facilitated, the shell of the built-in adapter 2 does not need to be detached, the fan operation does not need to be detached, the labor capacity and the labor intensity of the workers are reduced, and the influence on production is reduced.

The rotation speed ratio of the input gear 22 to the output gear 23 is 2.2-2.5, the output gear 23 is fixedly sleeved on the main shaft 11, the input gear 22 is directly meshed with the output gear 23, the size of the whole built-in adapter 2 shell can be reduced, the occupied area is reduced, meanwhile, the size of parts is reduced, the labor intensity of workers is reduced when the parts are replaced or detached, and convenience is provided for maintenance, repair and other operations of the workers. The input gear 22 and the output gear 23 are all operated at a low speed, and only need to be filled with oil and changed in time, so that the maintenance period is longer, and the labor capacity of staff is reduced.

The transmission structure comprises a small belt pulley 31, a V-ribbed belt 32 and a large belt pulley 33, wherein the small belt pulley 31 is fixedly arranged on an output shaft of the auxiliary motor 3, the large belt pulley 33 is fixedly arranged on the adapter input shaft 21, the V-ribbed belt 32 is sleeved on the small belt pulley 31 and the large belt pulley 33, and the V-ribbed belt 32 is used for transmission between the small belt pulley 31 and the large belt pulley 33. The v-ribbed belt 32 is not sleeved on the main shaft 11, and the operation can be completed without disassembling the fan during the operations of installation, disassembly and the like, and in addition, the adapter input shaft 21 is positioned outside the shell of the built-in adapter 2 and is in an exposed state, so that the v-ribbed belt 32 can be conveniently and directly watched by workers, and the operations of installation, disassembly, maintenance and the like are performed, thereby facilitating the tensioning adjustment of the v-ribbed belt 32. The auxiliary motor 3 can be a 4-level motor, so that the size and weight of the mechanism are reduced, the labor intensity of workers is reduced during operations such as disassembly and assembly or maintenance, occupied space can be reduced, smaller space can be applied, and the applicability is higher. And the axial distance between the big belt pulley 33 and the small belt pulley 31 can be adjusted according to actual conditions, so that the applicability is stronger.

The ratio of rotation of the small pulley 31 to the large pulley 33 is between 3.2 and 3.5. The large pulley 33 can be made small, and the center distance between the two pulleys is reduced, so that the structure is more compact.

Specific motion principle: when circulating water passes through the water turbine 1, the impeller inside the water turbine is driven to rotate, so that the main shaft 11 in the adapter 2 is driven to rotate, the main shaft 11 drives the fan to rotate, and the circulating water achieves the cooling effect; when the circulating water power is insufficient, the auxiliary motor 3 is started, the power is transmitted to the adapter input shaft 21 of the built-in adapter 2 after being decelerated through the small belt pulley 31, the V-ribbed belt 32 and the large belt pulley 33, and then the power is coupled to the main shaft 11 after being decelerated for the second time through the input gear 22 and the output gear 23 of the pair of meshed bevel gear sets, and the power and the rotating wheel of the water turbine 1 drive the fan together, so that the fan achieves the original cooling effect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The belt transmission hybrid power device with the built-in water turbine is characterized by comprising the water turbine (1) and a bracket (4), wherein the bracket (4) is fixedly arranged on the water turbine (1), and a built-in adapter (2) and an auxiliary motor (3) are fixedly arranged on the bracket (4);

The built-in adapter (2) comprises an adapter input shaft (21), an input gear (22) and an output gear (23); the output gear (23) is fixedly sleeved on the main shaft (11) of the water turbine (1), the input gear (22) is fixedly sleeved at one end of the adapter input shaft (21), the input gear (22) is meshed with the output gear (23), and a transmission structure is arranged between the adapter input shaft (21) and the output shaft of the auxiliary motor (3).

2. Belt driven hybrid power plant with built-in hydraulic turbines according to claim 1, characterized in that the rotation ratio of the input gear (22) to the output gear (23) is between 2.2-2.5.

3. Belt driven hybrid power plant with built-in hydraulic turbines according to claim 1, characterized in that the main shaft (11) is arranged perpendicular to the adapter input shaft (21).

4. Belt driven hybrid power plant with built-in hydraulic turbine according to claim 1, characterized in that the transmission structure comprises a small pulley (31), a v-ribbed belt (32) and a large pulley (33), the small pulley (31) is fixedly mounted on the output shaft of the auxiliary motor (3), the large pulley (33) is fixedly mounted on the adapter input shaft (21), the v-ribbed belt (32) is sleeved on the small pulley (31) and the large pulley (33), and the v-ribbed belt (32) is used for transmission between the small pulley (31) and the large pulley (33).

5. Belt driven hybrid power plant with built-in hydraulic turbines according to claim 4, characterized in that the rotation ratio of the small pulley (31) to the large pulley (33) is between 3.2-3.5.

6. A belt driven hybrid power plant of a built-in hydraulic turbine according to claim 5, characterized in that the input gear (22) and the output gear (23) are located inside the housing of the built-in adapter (2), and that the end of the adapter input shaft (21) remote from the input gear (22) penetrates the housing of the input gear (22) and extends outside the housing of the built-in adapter (2).