Speed reducer assembly for cooling tower fan

Abstract

The utility model relates to the technical field of cooling towers, and discloses a speed reducer assembly for a cooling tower fan, which comprises a motor shell and a speed reducer shell, a motor main body is arranged in the motor shell, the top end of the motor main body is rotatably connected with a first transmission rod, and the top end of the first transmission rod is provided with a speed reducer main body; the speed reducer shell is installed on the surface of the speed reducer body. When a worker needs to clean and maintain the air box, a pressing block is pressed inwards to drive an elastic spring to store force, meanwhile, an adjusting rod is released from limiting, then the adjusting rod is moved out of a limiting groove, a rectangular plate is pulled upwards, the air box is moved to the top end of the speed reducer shell, and then the air box is cleaned. And after cleaning is completed, the rectangular plate is pushed back, the adjusting rod is pushed into the limiting groove to limit the rectangular plate, then the pressing block is aligned with the ejection opening, the elastic force stored by the elastic spring is released to drive the pressing block to eject out rapidly, the adjusting rod is limited, and therefore the air bellow can be cleaned conveniently and rapidly when needing to be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling towers, in particular to a speed reducer assembly for a cooling tower fan. Background Art

[0002] A cooling tower is a device that uses the contact between water and air for cooling. It is widely used in air conditioning cooling systems, refrigeration series, injection molding, leather making, foaming, power generation and other fields. A reducer is used in the use of the cooling tower. Its main function is to reduce the speed of the fan through the deceleration effect of the reducer, so as to generate sufficient cooling air volume to achieve the cooling effect.

[0003] A Chinese patent discloses a reducer assembly for a cooling tower fan with authorization announcement number CN215410075U. The patented technology solves the problem that traditional reducers for cooling tower fans are difficult to install and disassemble, and difficult to add lubricating oil, and the lubrication effect of the internal gears of the reducer is poor and the service life is reduced.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when the existing cooling tower fan reducer is in use, the rotation of its internal gears will generate heat, and it is necessary to dissipate the heat to prevent the equipment from overheating and affecting the use effect, and the bellows needs to be cleaned regularly to achieve better work efficiency. However, in the prior art, when cleaning the bellows, the outer casing of the reducer needs to be disassembled for cleaning, which is relatively cumbersome and affects the cleaning efficiency of the work. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the prior art has the disadvantage that it is relatively cumbersome to clean the bellows, so we propose a reducer assembly for a cooling tower fan.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a reducer assembly for a cooling tower fan, comprising a motor housing and a reducer housing, a motor body is installed inside the motor housing, a first transmission rod is rotatably connected to the top of the motor body, a reducer body is installed on the top of the first transmission rod, the reducer housing is installed on the surface of the reducer body, a second transmission rod is rotatably connected to the top of the reducer body, a pull-out plate is installed on the top of the reducer housing, the number of the pull-out plates is four, a bellows is installed on the top of the pull-out plate, and a fixed plate is fixedly connected to the top of the pull-out plate. The top of the fixed plate is fixedly connected to a rectangular plate, the top of the reducer housing is provided with a rectangular groove, the number of the rectangular grooves is four, an L-shaped plate is fixedly connected to one side of the reducer housing, the end of the L-shaped plate close to the rectangular plate is fixedly connected to a fixing rod, the inside of the fixing rod is slidably connected to an adjusting rod, the end of the rectangular plate close to the adjusting rod is provided with a limiting groove, the top of the fixed rod is provided with a pop-up outlet, the top of the adjusting rod is provided with a pressing groove, the inside of the pressing groove is fixedly connected to an elastic spring, the top of the elastic spring is fixedly connected to a pressing block, and the inside of the pressing groove is slidably connected to the pressing block.

[0007] Preferably, a first sliding groove is provided at one end and the other end inside the fixing rod, a first sliding block is fixedly connected to one end and the other end of the adjusting rod, and the interior of the first sliding groove is slidably connected to the first sliding block.

[0008] Preferably, a second slide groove is provided at one end and the other end of the pressing groove, a second slider is fixedly connected to one end and the other end of the pressing block, and the interior of the second slide groove is slidably connected to the second slider.

[0009] Preferably, guide slide grooves are provided on both sides of the rectangular groove, guide sliders are fixedly connected to both sides of the pull-out plate, and the inside of the guide slide grooves is slidably connected to the guide sliders.

[0010] Preferably, a pull-out port is provided at the top of the reducer housing, and a lubricating oil storage bin is slidably connected to the inside of the pull-out port. A first connecting plate is fixedly connected to the top of the reducer housing, and a threaded rod is rotatably connected to the inside of the first connecting plate. An end of the threaded rod away from the lubricating oil storage bin is fixedly connected to a rotating plate, and the other end of the lubricating oil storage bin is fixedly connected to a second connecting plate, an opening is provided on the surface of the second connecting plate, and a filter is installed at one end inside the lubricating oil storage bin.

[0011] Preferably, third slide grooves are provided on both sides of the pull-out port, third sliders are fixedly connected to both sides of the lubricating oil storage bin, and the interior of the third slide groove is slidably connected to the third slider.

[0012] Preferably, the surface of the reducer housing is sprayed with polyurethane waterproof coating.

[0013] Technical effects and advantages of the utility model:

[0014] In the utility model, when the staff needs to clean and repair the bellows, the pressing block is pressed inwardly to drive the elastic spring to store force, and at the same time the adjusting rod is released from the limit groove, so that the rectangular plate is released from the limit groove. At this time, the rectangular plate is pulled upward, so that the pull-out plate drives the bellows to move upward, and the bellows is moved to the top of the reducer housing. At this time, the bellows is cleaned, and after cleaning, the rectangular plate is pushed back, and the adjusting rod is pushed into the limit groove to limit the rectangular plate, and then the pressing block is aligned with the ejection outlet, the elastic force stored in the elastic spring is released to drive the pressing block to pop out quickly, so that the adjusting rod is limited, thereby achieving convenient cleaning when the bellows needs to be cleaned.

[0015] In the utility model, when the staff needs to add lubricating oil into the lubricating oil storage bin, the rotating plate is rotated outward to drive the threaded rod to rotate out, so that the lubricating oil storage bin is released from the limit. At this time, the lubricating oil storage bin is pulled out and the lubricating oil is added. After completion, the lubricating oil storage bin is put back and the threaded rod is rotated into the opening to limit the lubricating oil storage bin, thereby achieving convenient addition of lubricating oil when the lubricating oil storage bin is lacking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the components of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the reducer assembly of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the bellows of the utility model;

[0019] Figure 4 This is a schematic diagram of a rectangular plate fixing structure of the utility model;

[0020] Figure 5 It is a cross-sectional schematic diagram of the fixing structure of the utility model;

[0021] Figure 6 For this utility model Figure 3 A partial enlarged view of the middle A;

[0022] Figure 7 This is a schematic diagram of the lubricating oil adding structure of the utility model;

[0023] Figure 8 It is a schematic cross-sectional diagram of the added structure of the utility model.

[0024] Legend: 1. Motor housing; 2. Motor body; 3. First transmission rod; 4. Reducer housing; 5. Reducer body; 6. Second transmission rod; 7. Pull-out plate; 8. Bellows; 9. Fixed plate; 10. Rectangular plate; 11. Rectangular groove; 12. L-shaped plate; 13. Fixed rod; 14. Adjusting rod; 15. Limiting groove; 16. Pop-up outlet; 17. Pressing groove; 18. Elastic spring; 19. Pressing block; 20. First slide groove; 21. First slider; 22. Second slide groove; 23. Second slider; 24. Guide slide groove; 25. Guide slider; 26. Pull-out outlet; 27. Lubricating oil storage bin; 28. First connecting plate; 29. ​​Threaded rod; 30. Rotating plate; 31. Second connecting plate; 32. Opening; 33. Filter; 34. Third slide groove; 35. Third slider. DETAILED DESCRIPTION

[0025] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0026] Reference Figure 1 - Figure 5As shown, the utility model provides a technical solution: a reducer assembly for a cooling tower fan, comprising a motor housing 1 and a reducer housing 4. A motor body 2 is installed inside the motor housing 1. The top of the motor body 2 is rotatably connected to a first transmission rod 3. The top of the first transmission rod 3 is installed with a reducer body 5. The reducer housing 4 is installed on the surface of the reducer body 5. The top of the reducer body 5 is rotatably connected to a second transmission rod 6. A pull-out plate 7 is installed at the top of the reducer housing 4. The number of the pull-out plates 7 is four. A bellows 8 is installed at the top of the pull-out plate 7. The top of the pull-out plate 7 is fixedly connected to a fixed plate 9. The top of the fixed plate 9 is fixedly connected to a rectangular plate 10. A rectangular groove 11 is provided at the top of the reducer housing 4. The number of the rectangular grooves 11 is four. An L-shaped plate 12 is fixedly connected to one side of the reducer housing 4. A fixing rod 13 is fixedly connected to one end of the L-shaped plate 12 close to the rectangular plate 10. An adjusting rod 14 is slidably connected to the inside of the fixing rod 13. A limiting groove 15 is provided at one end of the rectangular plate 10 close to the adjusting rod 14. The top of the fixing rod 13 is provided with an ejection outlet 16, the top of the adjusting rod 14 is provided with a pressing groove 17, the inside of the pressing groove 17 is fixedly connected with an elastic spring 18, the top of the elastic spring 18 is fixedly connected with a pressing block 19, the inside of the pressing groove 17 is slidably connected with the pressing block 19, when the staff needs to clean and repair the bellows 8, the pressing block 19 is pressed inward to drive the elastic spring 18 to store force, and at the same time, the adjusting rod 14 is released from the limit groove 15, and then the adjusting rod 14 is moved out of the limit groove 15, so that the rectangular plate 1 0 releases the limit, at this time, the rectangular plate 10 is pulled upward, so that the pull-out plate 7 drives the bellows 8 to move upward, and the bellows 8 moves to the top of the reducer housing 4. At this time, the bellows 8 is cleaned. After the cleaning is completed, the rectangular plate 10 is pushed back, and the adjusting rod 14 is pushed into the limiting groove 15 to limit the rectangular plate 10, and then the pressing block 19 is aligned with the ejection outlet 16, and the elastic force stored in the elastic spring 18 is released to drive the pressing block 19 to pop out quickly, so that the adjusting rod 14 is limited, thereby achieving convenient cleaning of the bellows 8 when it needs to be cleaned.

[0027] Reference Figure 5 As shown, in the present embodiment: a first slide groove 20 is provided at one end and the other end inside the fixed rod 13, a first slider 21 is fixedly connected at one end and the other end of the adjusting rod 14, and the interior of the first slide groove 20 is slidably connected to the first slider 21. By setting the first slide groove 20 and the first slider 21, the adjusting rod 14 can be made more stable when moving inside the fixed rod 13, thereby improving the stability of the adjusting rod 14 when moving, and preventing the adjusting rod 14 from being unable to slide into the limiting groove 15 due to deviation, thereby affecting the fixation of the rectangular plate 10.

[0028] Reference Figure 5As shown, in the present embodiment: a second slide groove 22 is provided at one end and the other end of the pressing groove 17, a second slider 23 is fixedly connected at one end and the other end of the pressing block 19, and the interior of the second slide groove 22 is slidably connected to the second slider 23. By setting the second slide groove 22 and the second slider 23, the centrifugal force generated by the rotation of the motor body 2 will not cause the pressing block 19 to loosen during the operation of the reducer body 5, thereby providing a stable limit for it and improving the fixing effect of the bellows 8.

[0029] Reference Figure 6 As shown, in this embodiment: guide grooves 24 are opened on both sides of the rectangular groove 11, and guide sliders 25 are fixedly connected on both sides of the pull-out plate 7. The interior of the guide grooves 24 is slidably connected to the guide sliders 25. Through the arrangement of the guide grooves 24 and the guide sliders 25, the bellows 8 can form a stable limit with the interior of the rectangular groove 11 when pulled out, thereby improving the efficiency of pulling out the bellows 8 and reducing the time spent by workers on cleaning.

[0030] Reference Figure 7 and Figure 8 As shown, in this embodiment: a pull-out port 26 is provided at the top of the reducer housing 4, and a lubricating oil storage bin 27 is slidably connected inside the pull-out port 26, a first connecting plate 28 is fixedly connected to the top of the reducer housing 4, and a threaded rod 29 is rotatably connected inside the first connecting plate 28, and one end of the threaded rod 29 away from the lubricating oil storage bin 27 is fixedly connected to a rotating plate 30, and the other end of the lubricating oil storage bin 27 is fixedly connected to a second connecting plate 31, and an opening 32 is provided on the surface of the second connecting plate 31, and a filter screen 33 is installed at one end inside the lubricating oil storage bin 27. When the staff needs to add lubricating oil to the lubricating oil storage bin 27, the rotating plate 30 is rotated outward to drive the threaded rod 29 to rotate out, so that the lubricating oil storage bin 27 is released from the limit, and the lubricating oil storage bin 27 is pulled out and lubricating oil is added. After completion, the lubricating oil storage bin 27 is put back, and the threaded rod 29 is rotated into the opening 32 to limit the lubricating oil storage bin 27, thereby achieving convenient addition when the lubricating oil in the lubricating oil storage bin 27 is lacking.

[0031] Reference Figure 8 As shown, in the present embodiment: third slide grooves 34 are provided on both sides of the pull-out port 26, third sliders 35 are fixedly connected to both sides of the lubricating oil storage bin 27, and the interior of the third slide groove 34 is slidably connected to the third slider 35. Through the arrangement of the third slide groove 34 and the third slider 35, the lubricating oil storage bin 27 can form a guiding effect during the process of pulling out and putting back, thereby improving the efficiency of putting back and pulling out the lubricating oil storage bin 27.

[0032] Reference Figure 1As shown, in this embodiment: the surface of the reducer housing 4 is sprayed with a polyurethane waterproof coating. Through the provision of the waterproof coating, the reducer housing 4 can be better sealed during use and water is not easy to enter, thereby improving the sealing and waterproof properties of the reducer housing 4 during use, and preventing water from entering and causing rust on the gears.

[0033] Working principle: When the staff needs to clean and repair the bellows 8, the pressing block 19 is pressed inward to drive the elastic spring 18 to store force, and at the same time, the adjusting rod 14 is released from the limit slot 15, and then the adjusting rod 14 is moved out of the limit slot 15 to release the limit of the rectangular plate 10. At this time, the rectangular plate 10 is pulled upward, so that the pull-out plate 7 drives the bellows 8 to move upward, and the bellows 8 moves to the top of the reducer housing 4. At this time, the bellows 8 is cleaned. After the cleaning is completed, the rectangular plate 10 is pushed back, and the adjusting rod 14 is pushed into the limit slot 15 to limit the rectangular plate 10, and then the pressing block 19 is aligned with the ejection outlet 16. The elastic force stored in the elastic spring 18 is released to drive the pressing block 19 to pop out quickly, so that the adjusting rod 14 is limited, so as to achieve convenient cleaning when the bellows 8 needs to be cleaned. Through the arrangement of the first slide groove 20 and the first slider 21, the adjusting rod 14 can be more stable when moving inside the fixed rod 13, and the stability of the adjusting rod 14 when moving is improved to prevent the adjustment rod 14 from being unable to slide into the limiting groove 15 due to deviation, affecting the fixation of the rectangular plate 10. Through the arrangement of the second slide groove 22 and the second slider 23, the reducer body 5 will not be separated by the rotation of the motor body 2 during operation. The centrifugal force causes the pressing block 19 to loosen, providing a stable limit for it, improving the fixing effect of the bellows 8. The setting of the guide slide 24 and the guide slider 25 can make the bellows 8 form a stable limit with the inside of the rectangular groove 11 when it is pulled out, improving the efficiency of pulling out the bellows 8 and reducing the time spent by workers when cleaning. When the staff needs to add lubricating oil to the lubricating oil storage bin 27, the rotating plate 30 is rotated outward to drive the threaded rod 29 to rotate out, so that the lubricating oil storage bin 27 is released from the limit. At this time, the lubricating oil storage bin 27 is pulled out and the lubricating oil is added. After completion, the lubricating oil storage bin 27 is put back And the threaded rod 29 is turned into the opening 32 to limit the lubricating oil storage bin 27, so as to achieve convenient addition of lubricating oil when the lubricating oil storage bin 27 is lacking. Through the setting of the third slide groove 34 and the third slider 35, the lubricating oil storage bin 27 can form a guiding effect during the process of pulling out and putting back, thereby improving the efficiency of putting back and pulling out the lubricating oil storage bin 27. Through the setting of the waterproof coating, the reducer housing 4 can be better sealed during use and water is not easy to enter, thereby improving the sealing and waterproof properties of the reducer housing 4 during use, and preventing water from entering and causing rust on the gears.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A speed reducer assembly for a cooling tower fan, comprising a motor housing (1) and a speed reducer housing (4), characterized in that: A motor body (2) is installed inside the motor housing (1), the top end of the motor body (2) is rotatably connected to a first transmission rod (3), the top end of the first transmission rod (3) is installed with a reducer body (5), the reducer housing (4) is installed on the surface of the reducer body (5), the top end of the reducer body (5) is rotatably connected to a second transmission rod (6), a pull-out plate (7) is installed at the top end of the reducer housing (4), the number of the pull-out plates (7) is four, a bellows (8) is installed at the top end of the pull-out plate (7), the top end of the pull-out plate (7) is fixedly connected to a fixing plate (9), the top end of the fixing plate (9) is fixedly connected to a rectangular plate (10), and a rectangular groove (11) is provided at the top end of the reducer housing (4). The number of the rectangular grooves (11) is four, an L-shaped plate (12) is fixedly connected to one side of the reducer housing (4), a fixing rod (13) is fixedly connected to one end of the L-shaped plate (12) close to the rectangular plate (10), an adjusting rod (14) is slidably connected inside the fixing rod (13), a limiting groove (15) is provided at one end of the rectangular plate (10) close to the adjusting rod (14), a pop-up outlet (16) is provided at the top end of the fixing rod (13), a pressing groove (17) is provided at the top end of the adjusting rod (14), an elastic spring (18) is fixedly connected inside the pressing groove (17), a pressing block (19) is fixedly connected to the top end of the elastic spring (18), and the inside of the pressing groove (17) is slidably connected to the pressing block (19).

2. A reducer assembly for a cooling tower fan according to claim 1, characterized in that: A first sliding groove (20) is provided at one end and the other end of the fixing rod (13), and a first sliding block (21) is fixedly connected to one end and the other end of the adjusting rod (14), and the interior of the first sliding groove (20) is slidably connected to the first sliding block (21).

3. A reducer assembly for a cooling tower fan according to claim 1, characterized in that: A second slide groove (22) is provided at one end and the other end of the pressing groove (17), a second slide block (23) is fixedly connected to one end and the other end of the pressing block (19), and the interior of the second slide groove (22) is slidably connected to the second slide block (23).

4. A reducer assembly for a cooling tower fan according to claim 1, characterized in that: Guide slide grooves (24) are provided on both sides of the rectangular groove (11), guide slide blocks (25) are fixedly connected to both sides of the pull-out plate (7), and the interior of the guide slide groove (24) is slidably connected to the guide slide block (25).

5. A reducer assembly for a cooling tower fan according to claim 1, characterized in that: The top of the reducer housing (4) is provided with a pull-out port (26), the inside of the pull-out port (26) is slidably connected to a lubricating oil storage bin (27), the top of the reducer housing (4) is fixedly connected to a first connecting plate (28), the inside of the first connecting plate (28) is rotatably connected to a threaded rod (29), one end of the threaded rod (29) away from the lubricating oil storage bin (27) is fixedly connected to a rotating plate (30), the other end of the lubricating oil storage bin (27) is fixedly connected to a second connecting plate (31), the surface of the second connecting plate (31) is provided with an opening (32), and a filter screen (33) is installed at one end of the lubricating oil storage bin (27).

6. A reducer assembly for a cooling tower fan according to claim 5, characterized in that: A third slide groove (34) is provided on both sides of the pull-out port (26), a third slide block (35) is fixedly connected to both sides of the lubricating oil storage bin (27), and the interior of the third slide groove (34) is slidably connected to the third slide block (35).

7. A reducer assembly for a cooling tower fan according to claim 1, characterized in that: The surface of the reducer housing (4) is sprayed with polyurethane waterproof coating.

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