Built-in transmission system of cooling tower

Abstract

The utility model discloses a built-in transmission system of a cooling tower, which belongs to the technical field of cooling towers and comprises two supporting main beams which are arranged in the cooling tower in parallel, and a speed reducer support and a motor support are arranged between the supporting main beams. A speed reducer with a box body is mounted on the speed reducer bracket; the motor support comprises two cross beams installed between the supporting main beams. A mounting beam capable of moving in the length direction of the supporting main beam is mounted between the two cross beams, a mounting plate is arranged on the mounting beam, and a motor and an adjusting seat are mounted on the mounting plate; a supporting circular pipe and an adjusting screw which are parallel to each other are arranged between the lower ends of the cross beams; the supporting circular tube and the adjusting screw rod penetrate through the adjusting seat; an adjusting nut for adjusting the position of the adjusting seat is arranged on the adjusting screw rod; the lower end of the reducer is connected to the reducer support through a fixing rod. According to the transmission system, a part of structures are improved on the basis of an original scheme, so that the transmission system can realize adjustable motor installation more stably.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling towers, in particular to a built-in transmission system for a cooling tower. Background Art

[0002] The cooling tower transmission system is an important part of the cooling tower. On December 19, 2022, the applicant applied for a utility model patent named "A cooling tower built-in transmission system" with application number 2022234037663. Figure 1 As shown, the cooling tower has a built-in transmission system, including two supporting main beams installed in parallel in the cooling tower, and a reducer bracket and a motor bracket are installed on the supporting main beams; a reducer is installed on the reducer bracket; the motor bracket includes two crossbeams installed between the supporting main beams; a mounting beam that can move along the length direction of the supporting main beams is installed on the two crossbeams, and a mounting plate is provided at the lower end of the mounting beam, and a motor and an adjustment seat are installed on the mounting plate; an adjustment screw is provided between the lower ends of the crossbeams; the adjustment screw passes through the adjustment seat; and an adjustment nut for adjusting the position of the adjustment seat is provided on the adjustment screw. The utility model changes the installation structure of the motor, so that the adjustment range of the distance between the motor and the reducer is larger, and it can adapt to more models of motors and belt installations; thereby achieving a unified transmission system for different cooling towers and improving production efficiency.

[0003] Although the above scheme allows different motors to share the transmission system, the system has poor stability, is prone to maintenance problems, and cannot adapt to standardized production needs. Considering that most cooling towers adopt the top air outlet method, it is more appropriate to choose a reducer with a box body under some working conditions, so this cooling tower built-in transmission system with a box reducer is designed. Utility Model Content

[0004] In view of the above problems, the utility model provides a cooling tower built-in transmission system, which improves part of the structure on the basis of the original solution, so that the transmission system can realize adjustable motor installation more stably.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A built-in transmission system for a cooling tower comprises two supporting main beams installed in parallel with each other in the cooling tower, a reducer bracket and a motor bracket are installed between the supporting main beams; a reducer with a box body is installed on the reducer bracket; the motor bracket comprises two cross beams installed between the supporting main beams; a mounting beam movable along the length direction of the supporting main beams is installed between the two cross beams, a mounting plate is provided on the mounting beam, and a motor and an adjustment seat are installed on the mounting plate; supporting circular tubes and adjusting screws parallel to each other are provided between the lower ends of the cross beams; the supporting circular tubes and the adjusting screws are arranged through the adjusting seat; an adjusting nut for adjusting the position of the adjusting seat is provided on the adjusting screw; the lower end of the reducer is connected to the reducer bracket through a fixing rod.

[0007] As a further improvement of the above solution, the adjusting screw is provided with two adjusting nuts, which are respectively located at two ends of the adjusting seat.

[0008] As a further improvement of the above solution, a support plate is provided at the lower end of the reducer; the support plate is connected to the reducer bracket through at least two fixing rods.

[0009] As a further improvement of the above solution, two opposite positions on the support plate are connected with fixing rods by bolts, and the other end of the fixing rod is connected to the reducer bracket by bolts.

[0010] As a further improvement of the above solution, the support plate is a rectangular plate or a circular plate.

[0011] As a further improvement of the above solution, a mounting block is provided at the lower end of the cross beam; the adjusting screw and the supporting circular tube are installed between the two mounting blocks.

[0012] As a further improvement of the above solution, both ends of the mounting beam are provided with long holes distributed along the length direction; the long holes are connected to the cross beam by bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Changing the reducer to a box-type reducer plays an important role in ensuring the operation accuracy, good lubrication and reliable sealing of the shaft assembly.

[0015] A support plate is made on the reducer housing, and the support plate is connected to the crossbeam with two support strips to prevent the reducer from shaking significantly during operation.

[0016] A supporting round tube is added to the above-mentioned motor mounting plate to pass through two motor supporting beams to prevent the motor shaft from generating a large torque in the horizontal direction to damage the adjusting screw when working. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the existing cooling tower transmission system structure.

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the specific installation structure of the adjustment seat.

[0021] Figure 5 It is a structural schematic diagram of the mounting plate and the mounting beam.

[0022] Figure 6 It is a schematic diagram of the installation structure of the fixing rod and the supporting plate.

[0023] In the figure: 1. Support main beam; 2. Speed ​​reducer; 3. Speed ​​reducer bracket; 4. Motor bracket; 5. Motor; 6. Belt; 41. Crossbeam; 42. Mounting beam; 43. Mounting plate; 44. Mounting block; 45. Support round tube; 46. Adjusting screw; 47. Adjusting nut; 48. Adjusting seat; 21. Fixing rod; 22. Support plate; 421. Long hole. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution, the utility model is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0025] like Figure 2-6 As shown, a cooling tower built-in transmission system comprises two supporting main beams 1 installed in parallel with each other in the cooling tower, a reducer bracket 3 and a motor bracket 4 are installed between the supporting main beams 1; a reducer 2 with a box body is installed on the reducer bracket 3; the motor bracket 4 comprises two cross beams 41 installed between the supporting main beams 1; a mounting beam 42 movable along the length direction of the supporting main beams 1 is installed between the two cross beams 41, a mounting plate 43 is arranged on the mounting beam 42, and a motor 5 and an adjustment seat 48 are installed on the mounting plate 43; supporting circular tubes 45 and adjusting screws 46 parallel to each other are arranged between the lower ends of the cross beams 41; the supporting circular tubes 45 and the adjusting screws 46 are arranged through the adjusting seat 48; the adjusting screws 46 are provided with an adjusting nut 47 for adjusting the position of the adjusting seat 48; the lower end of the reducer 2 is connected to the reducer bracket 3 through a fixing rod 21.

[0026] The adjusting screw rod 46 is provided with two adjusting nuts 47 , which are respectively located at two ends of the adjusting seat 48 .

[0027] Specifically, the reducer bracket 3 is a rectangular tube installed between two supporting main beams 1; the cross beam 41 is a rectangular tube; the mounting beam 42 is a channel steel member; the mounting plate 43 is a steel plate; the adjustment seat 48 is a rectangular tube; the mounting beam 42 is welded to the mounting plate 43 and the adjustment seat 48. The two ends of the adjustment screw 46 are fixed to the lower end of the cross beam 41 by bolts. There are two adjustment nuts 47, which are located at both ends of the adjustment seat 48 to clamp the adjustment seat 48.

[0028] As a preferred embodiment of the above embodiment, a support plate 22 is provided at the lower end of the reducer 2 ; the support plate 22 is connected to the reducer bracket 3 through at least two fixing rods 21 .

[0029] As a preferred embodiment of the above embodiment, two opposite positions on the support plate 22 are connected with fixing rods 21 by bolts, and the other end of the fixing rods 21 is connected to the reducer bracket 3 by bolts.

[0030] As a preferred embodiment of the above embodiment, the support plate 22 is a rectangular plate or a circular plate.

[0031] As a preferred embodiment of the above embodiment, a mounting block 44 is provided at the lower end of the cross beam 41 ; the adjusting screw 46 and the supporting circular tube 45 are installed between the two mounting blocks 44 .

[0032] As a preferred embodiment of the above embodiment, both ends of the mounting beam 42 are provided with long holes 421 distributed along the length direction; the long holes 421 are connected to the cross beam 41 by bolts.

[0033] Specifically, the mounting plate 43 is provided with a plurality of motor 5 mounting holes. The plurality of motor 5 mounting holes are adapted to the installation of motors 5 of different models and sizes. The motor 5 is installed on the front of the mounting plate 43. The adjustment seat 48 is installed on the back of the mounting plate 43.

[0034] The lower end of the cross beam 41 is provided with a mounting block 44; the adjusting screw 46 is installed between the two mounting blocks 44. Specifically, the mounting block 44 is a rectangular tube, welded to the lower end of the cross beam 41; the mounting block 44 is provided with a through hole, and the two end surfaces of the adjusting screw 46 are installed in the through hole by bolts.

[0035] Long holes 421 distributed along the length direction are provided at both ends of the mounting beam 42; the long holes 421 are connected to the cross beam 41 through bolts. Bolts are installed in the long holes 421, and the bolts are connected to the L-shaped frame on the cross beam 41. After the bolts are loosened, the adjustment seat 48 is driven to move by the adjustment nut 47, so that the mounting beam 42 can be driven to move on the cross beam 41. The moving range is limited by the length of the long holes 421. In order to increase the moving range, the long holes 421 can be designed to be longer.

[0036] The principle of the utility model is:

[0037] The system is composed of two supporting main beams 1 connected to the internal structure of the cross-flow cooling tower; the reducer bracket 3 and the motor bracket 4, which are mainly made of rectangular tubes, are overlapped on the two supporting main beams 1, and the motor bracket 4 is composed of a crossbeam 41, a mounting beam 42, a mounting plate 43, and an adjustment seat 48; a corresponding hole is opened on the adjustment seat 48, through which the adjusting screw 46 and the supporting circular tube pass; the supporting circular tube can improve the structural stability of the adjustment seat; an adjusting nut 47 is provided on the adjusting screw 46; the relative horizontal position adjustment of the motor 5 and the reducer 2 can be achieved, thereby achieving the adjustment of the tightness of the belt 6; since the motor bracket 4 is movably mounted on the crossbeam 41 through the mounting beam 42, and the upper end of the mounting plate 43 is connected to the mounting beam 42, there is no obstruction on the left and right sides and the bottom of the mounting plate 43, and motors 5 of different sizes can be installed. The position of the entire motor bracket 4 is adjusted by adjusting the position of the adjusting seat 48 on the adjusting screw 46, so that the adjustment range is larger and suitable for the installation of belts 6 of different models.

[0038] The reducer 2 with a housing, the reducer housing plays an important role in supporting and fixing the shaft assembly in the reducer 2, ensuring the operating accuracy, good lubrication and reliable sealing of the shaft assembly. The reducer housing is usually made of gray cast iron. Gray cast iron has good casting performance and vibration reduction performance, is easy to obtain a beautiful appearance, and is suitable for mass production. A support plate 22 is installed on the reducer housing, and the support plate 22 and the two supporting main beams 1 are connected with at least two fixing rods 21 to form a suspension structure, which uses gravity to naturally droop to clamp the reducer 2, thereby reducing the shaking generated during operation. This makes the system have better stability during operation.

[0039] A supporting round tube 45 and an adjusting screw 46 are arranged between the lower ends of the cross beam 41; the adjusting screw 46 is provided with an adjusting nut 47 for adjusting the position of the adjusting seat 48. A round tube is added to the motor mounting plate 43 to pass through the two motor 5 supporting cross beams 41 to prevent the motor 5 from generating a large torque in the horizontal direction when the shaft is working and damaging the adjusting screw 46.

[0040] It should be noted that, in this article, the terms: include, contain and any other variants are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A cooling tower built-in transmission system, comprising two supporting main beams (1) installed in parallel in the cooling tower, a reducer bracket (3) and a motor bracket (4) installed between the supporting main beams (1); a reducer (2) with a box body is installed on the reducer bracket (3); the motor bracket (4) comprises two cross beams (41) installed between the supporting main beams (1); a mounting beam (42) movable along the length direction of the supporting main beam (1) is installed between the two cross beams (41), a mounting plate (43) is provided on the mounting beam (42), and a motor (5) and an adjustment seat (48) are installed on the mounting plate (43); the characteristic is that: A supporting circular tube (45) and an adjusting screw (46) parallel to each other are arranged between the lower ends of the cross beam (41); the supporting circular tube (45) and the adjusting screw (46) are arranged through an adjusting seat (48); an adjusting nut (47) for adjusting the position of the adjusting seat (48) is arranged on the adjusting screw (46); and the lower end of the reducer (2) is connected to the reducer bracket (3) via a fixing rod (21).

2. A cooling tower built-in transmission system according to claim 1, characterized in that: The adjusting screw rod (46) is provided with two adjusting nuts (47), which are respectively located at two ends of the adjusting seat (48).

3. A cooling tower built-in transmission system according to claim 1, characterized in that: A support plate (22) is provided at the lower end of the reducer (2); the support plate (22) is connected to the reducer bracket (3) via at least two fixing rods (21).

4. A cooling tower built-in transmission system according to claim 3, characterized in that: Two opposite positions on the support plate (22) are connected with fixing rods (21) via bolts, and the other end of the fixing rod (21) is connected to the reducer bracket (3) via bolts.

5. A cooling tower built-in transmission system according to claim 3, characterized in that: The support plate (22) is a rectangular plate or a circular plate.

6. A cooling tower built-in transmission system according to claim 1, characterized in that: A mounting block (44) is provided at the lower end of the crossbeam (41); the adjusting screw (46) and the supporting circular tube (45) are installed between the two mounting blocks (44).

7. A cooling tower built-in transmission system according to any one of claims 2 to 6, characterized in that: Both ends of the mounting beam (42) are provided with long holes (421) distributed along the length direction; the long holes (421) are connected to the crossbeam (41) via bolts.

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