Noise reduction device for civil construction of thermal power plant

Abstract

The utility model belongs to the technical field of construction noise reduction, and particularly relates to a noise reduction device for civil construction of a thermal power plant. A limiting plate is fixedly connected to the bottom of the inner side of the noise reduction box; the outer side of the limiting plate is sleeved with an expansion plate; the inner side of the noise reduction box is rotationally connected with a transmission column. First gears are fixedly connected to the two ends of the transmission column; threaded columns are fixedly connected to the two sides of the bottom of the expansion plate. Second gears are rotationally connected to the two side walls of the inner side of the noise reduction box. During working, a transmission column is driven to rotate through a third gear and a transmission belt, a second gear can be driven to rotate through a first gear in the rotating process of the transmission column, and due to the fact that the second gear is in threaded connection with a threaded column and a limiting plate is matched with an expansion plate, the expansion plate can move upwards through the inner side of a noise reduction box; therefore, the effect of adjusting the height of the noise reduction box is achieved; according to the whole device, the operation step of adjusting the height of the noise reduction box is reduced, and therefore the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction noise reduction, in particular to a noise reduction device for civil construction of a thermal power plant. Background Art

[0002] During the construction process of thermal power plants, a certain amount of noise is often generated, which can easily lead to certain negative impacts on surrounding residents. Therefore, noise reduction devices are needed to block the noise generated by the construction of thermal power plants.

[0003] In the current prior art, noise reduction devices used in civil construction of thermal power plants are often composed of a noise reduction box and an expansion board. Depending on the environment, expansion boards of different heights are set on the top of the noise reduction box to achieve noise reduction effects that adapt to different environments.

[0004] In the existing noise reduction device for civil construction of thermal power plants, although the workers can adapt to different noise reduction environments by installing expansion plates of different heights on the top of the noise reduction box during work, the operation steps are relatively complicated, resulting in reduced work efficiency; therefore, a noise reduction device for civil construction of thermal power plants is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a noise reduction device for civil construction of a thermal power plant.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the noise reduction device for civil construction of a thermal power plant described in the utility model comprises a noise reduction box; a limiting plate is fixedly connected to the bottom inner side of the noise reduction box; an extension plate is sleeved on the outer side of the limiting plate; a transmission column is rotatably connected to the inner side of the noise reduction box; a first gear is fixedly connected to both ends of the transmission column; threaded columns are fixedly connected to the two sides of the bottom of the extension plate; both inner side walls of the noise reduction box are rotatably connected to the second gear; the second gear and the threaded column are threadedly connected; the second gear and the first gear are meshed with each other; the outer side wall of the transmission column is rotatably connected to a transmission belt; the inner side wall of the noise reduction box is rotatably connected to a third gear; the outer side wall of the third gear and the inner side wall of the transmission belt fit each other; the side wall of the noise reduction box is rotatably connected to a fourth gear; and the side wall of the noise reduction box is fixed to a noise reduction plate.

[0007] Preferably, a first fixed arm is fixedly connected to the side wall of the noise reduction box away from the noise reduction plate; the first fixed arm is rotatably connected to a fifth gear at one end close to the fourth gear; the fifth gear is meshed with the fourth gear; and a connecting plate is fixedly connected to the side wall of the fifth gear.

[0008] Preferably, a closing cover is provided on the top of the noise reduction box; connecting handles are fixedly connected to both sides of the top of the closing cover.

[0009] Preferably, both side walls of the noise reduction box are fixedly connected to limiting rails; both sides of the bottom of the closing cover are fixedly connected to limiting columns; and the outer side walls of the limiting columns and the inner side walls of the limiting rails fit each other.

[0010] Preferably, a fixing seat is fixedly connected to the bottom of the noise reduction box; and movable wheels are rotatably connected to both sides of the fixing seat.

[0011] Preferably, a second fixed arm is fixedly connected to the inner wall of the noise reduction box; the second fixed arm is rotatably connected to a support wheel on a side close to the transmission belt; and the outer wall of the support wheel and the inner wall of the transmission belt are in contact with each other.

[0012] Preferably, the inner side wall of the expansion plate is rotatably connected to a plurality of sets of fitting wheels; the outer side wall of the fitting wheel fits with the side wall of the limiting plate.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a noise reduction device for civil construction of a thermal power plant. The fourth gear is rotated to drive the transmission column to rotate through the third gear and the transmission belt. During the rotation of the transmission column, the second gear can be driven to rotate through the first gear. Since the second gear is threadedly connected to the threaded column, and the limit plate and the extension plate cooperate with each other, the extension plate can be moved upward through the inside of the noise reduction box, thereby achieving the effect of adjusting the height of the noise reduction box. The overall device improves work efficiency by reducing the operating steps for adjusting the height of the noise reduction box.

[0015] 2. The utility model provides a noise reduction device for civil construction of a thermal power plant. The staff can drive the fifth gear to rotate by operating the connecting plate, and during the rotation of the fifth gear, the fourth gear can be driven to rotate, thereby improving the ease of operating the fourth gear to rotate, reducing the difficulty of operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the noise reduction box of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the expansion board in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the limiting plate in the utility model;

[0020] Figure 4 yes Figure 3 Enlarged view of point A.

[0021] Legend:

[0022] 1. Noise reduction box; 11. Limit plate; 12. Extension plate; 13. Transmission column; 14. First gear; 15. Second gear; 16. Threaded column; 17. Transmission belt; 18. Third gear; 19. Fourth gear; 110. Noise reduction plate; 2. First fixed arm; 21. Fifth gear; 22. Connecting plate; 3. Closing cover; 31. Connecting handle; 4. Limit rail; 41. Limit column; 5. Fixed seat; 51. Moving wheel; 6. Second fixed arm; 61. Support wheel; 7. Fitting wheel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 4The utility model provides a noise reduction device for civil construction of a thermal power plant, comprising a noise reduction box 1; a limit plate 11 is fixedly connected to the bottom of the inner side of the noise reduction box 1; an expansion plate 12 is sleeved on the outer side of the limit plate 11; a transmission column 13 is rotatably connected to the inner side of the noise reduction box 1; both ends of the transmission column 13 are fixedly connected to a first gear 14; threaded columns 16 are fixedly connected to the two sides of the bottom of the expansion plate 12; the inner side walls of the noise reduction box 1 are rotatably connected to the second gear 15; the second gear 15 and the threaded column 16 are threadedly connected; the second gear 15 and the first gear 14 are meshed with each other; the outer side wall of the transmission column 13 is rotatably connected to a transmission belt 17; the inner side wall of the noise reduction box 1 is rotatably connected to a third gear 18; the outer side wall of the third gear 18 and the inner side wall of the transmission belt 17 are in contact with each other; The side wall of the box 1 is rotatably connected to the fourth gear 19; the side wall of the noise reduction box 1 is fixedly connected to the noise reduction plate 110; during operation, the noise reduction box 1 and the noise reduction plate 110 cooperate with each other to reduce noise; when it is necessary to adjust the height of the noise reduction box 1, the fourth gear 19 is rotated to drive the transmission column 13 to rotate through the third gear 18 and the transmission belt 17, and during the rotation of the transmission column 13, the second gear 15 can be driven to rotate through the first gear 14. Since the second gear 15 is threadedly connected to the threaded column 16, and the limit plate 11 and the extension plate 12 cooperate with each other, the extension plate 12 can move upward through the inside of the noise reduction box 1, thereby achieving the effect of adjusting the height of the noise reduction box 1; the overall device improves work efficiency by reducing the operating steps for adjusting the height of the noise reduction box 1.

[0026] Further, such as Figure 4 As shown, the side wall of the noise reduction box 1 away from the noise reduction plate 110 is fixed with a first fixed arm 2; the first fixed arm 2 is rotatably connected to the fifth gear 21 at one end close to the fourth gear 19; the fifth gear 21 is meshed with the fourth gear 19; the side wall of the fifth gear 21 is fixed with a connecting disk 22; when working, the staff can drive the fifth gear 21 to rotate by operating the connecting disk 22, and during the rotation of the fifth gear 21, the fourth gear 19 can be driven to rotate, thereby improving the ease of operating the fourth gear 19 to rotate, reducing the difficulty of operation and improving work efficiency.

[0027] Further, such as Figure 2 As shown, a closing cover 3 is provided on the top of the noise reduction box 1; connecting handles 31 are fixedly connected to both sides of the top of the closing cover 3; when working, the closing cover 3 is operated by the connecting handles 31 to achieve the effect of sealing the top of the noise reduction box 1, thereby reducing the occurrence of external impurities entering the inside of the noise reduction box 1 through the top of the inside of the noise reduction box 1; the overall device improves the cleanliness of the inside of the noise reduction box 1.

[0028] Further, such as Figure 2As shown, both side walls of the noise reduction box 1 are fixedly connected to the limiting rails 4; both sides of the bottom of the closing cover 3 are fixedly connected to the limiting columns 41; the outer wall of the limiting column 41 and the inner wall of the limiting rail 4 fit together; during operation, when the closing cover 3 is installed on the top of the noise reduction box 1, the limiting rails 4 and the limiting columns 41 cooperate with each other, which can effectively improve the stability of the closing cover 3 during installation on the top of the noise reduction box 1 and reduce the difficulty of installation.

[0029] Further, such as Figure 1 As shown, a fixing seat 5 is fixedly connected to the bottom of the noise reduction box 1; both sides of the fixing seat 5 are rotatably connected with movable wheels 51; when working, the fixing seat 5 and the movable wheel 51 cooperate with each other to achieve the effect of supporting the bottom of the noise reduction box 1, and when the noise reduction box 1 needs to be moved, the movable wheel 51 rotates accordingly, and the movable wheel 51 can improve the stability of the noise reduction box 1 when it is moved for a long time.

[0030] Further, such as Figure 4 As shown, the inner wall of the noise reduction box 1 is fixedly connected to a second fixed arm 6; the second fixed arm 6 is rotatably connected to a support wheel 61 close to the side of the transmission belt 17; the outer wall of the support wheel 61 and the inner wall of the transmission belt 17 fit each other; when working, the second fixed arm 6 and the support wheel 61 cooperate with each other to support the middle part of the transmission belt 17, and effectively reduce the situation where the middle part of the transmission belt 17 sags due to long-term operation of the transmission belt 17; the stability of the transmission belt 17 when working for a long time is improved.

[0031] Further, such as Figure 3 As shown, the inner side wall of the extension plate 12 is rotatably connected to a plurality of sets of fitting wheels 7; the outer side wall of the fitting wheel 7 fits with the side wall of the limiting plate 11; during operation, as the extension plate 12 moves through the limiting plate 11, the fitting wheel 7 rotates accordingly, and the fitting wheel 7 can effectively reduce the friction between the contact surfaces of the limiting plate 11 and the extension plate 12, thereby improving the stability of the limiting plate 11 and the extension plate 12 when working for a long time.

[0032] Working principle: During operation, the noise reduction box 1 and the noise reduction plate 110 cooperate with each other to reduce noise; when the height of the noise reduction box 1 needs to be adjusted, the fourth gear 19 is rotated to drive the transmission column 13 to rotate through the third gear 18 and the transmission belt 17, and during the rotation of the transmission column 13, the second gear 15 can be driven to rotate through the first gear 14. Since the second gear 15 and the threaded column 16 are threadedly connected, and the limit plate 11 and the expansion plate 12 cooperate with each other, the expansion plate 12 can move upward through the inside of the noise reduction box 1, thereby achieving the effect of adjusting the height of the noise reduction box 1; the overall device improves work efficiency by reducing the operating steps for adjusting the height of the noise reduction box 1; the staff can drive the fifth gear 21 to rotate by operating the connecting plate 22, and during the rotation of the fifth gear 21, the fourth gear 19 can be driven to rotate, thereby improving the simplicity of operating the fourth gear 19, reducing the difficulty of operation and improving work efficiency; by operating the closing cover 3 through the connecting handle 31, the top of the noise reduction box 1 can be closed, thereby reducing the external The situation that some impurities enter the inner side of the noise reduction box 1 through the inner top of the noise reduction box 1 occurs; the overall device improves the cleanliness of the inside of the noise reduction box 1; during the installation of the closing cover 3 on the top of the noise reduction box 1, the limiting rail 4 and the limiting column 41 cooperate with each other, which can effectively improve the stability of the closing cover 3 during the installation on the top of the noise reduction box 1 and reduce the difficulty of installation; the fixing seat 5 and the moving wheel 51 cooperate with each other to achieve the effect of supporting the bottom of the noise reduction box 1, and when the noise reduction box 1 needs to be moved, the moving wheel 51 rotates accordingly, and the moving wheel 51 can improve The stability of the noise reduction box 1 when it moves for a long time; the second fixed arm 6 cooperates with the support wheel 61 to support the middle part of the transmission belt 17, and effectively reduce the situation where the middle part of the transmission belt 17 sags due to long-term operation of the transmission belt 17; the stability of the transmission belt 17 when it works for a long time is improved; in the process of the extension plate 12 moving through the limit plate 11, the fitting wheel 7 rotates accordingly, and the fitting wheel 7 can effectively reduce the friction between the contact surface of the limit plate 11 and the extension plate 12, thereby improving the stability of the limit plate 11 and the extension plate 12 when they work for a long time.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A noise reduction device for civil construction of a thermal power plant, comprising a noise reduction box (1); characterized in that: The inner bottom of the noise reduction box (1) is fixedly connected to a limit plate (11); the outer side of the limit plate (11) is sleeved with an expansion plate (12); the inner side of the noise reduction box (1) is rotatably connected to a transmission column (13); both ends of the transmission column (13) are fixedly connected to a first gear (14); both sides of the bottom of the expansion plate (12) are fixedly connected to threaded columns (16); both inner side walls of the noise reduction box (1) are rotatably connected to second gears (15); the second gear (15) and the threaded columns (16) are threadedly connected; the second gear (15) and the first gear (14) are meshed with each other; the outer side wall of the transmission column (13) is rotatably connected to a transmission belt (17); the inner side wall of the noise reduction box (1) is rotatably connected to a third gear (18); the outer side wall of the third gear (18) and the inner side wall of the transmission belt (17) are in contact with each other; the side wall of the noise reduction box (1) is rotatably connected to a fourth gear (19); and the side wall of the noise reduction box (1) is fixedly connected to a noise reduction plate (110).

2. A noise reduction device for civil construction of a thermal power plant as claimed in claim 1, characterized in that: A first fixed arm (2) is fixedly connected to a side wall of the noise reduction box (1) away from the noise reduction plate (110); an end of the first fixed arm (2) close to the fourth gear (19) is rotatably connected to a fifth gear (21); the fifth gear (21) is meshed with the fourth gear (19); and a connecting plate (22) is fixedly connected to the side wall of the fifth gear (21).

3. A noise reduction device for civil construction of a thermal power plant as claimed in claim 1, characterized in that: The top of the noise reduction box (1) is sleeved with a closing cover (3); connecting handles (31) are fixedly connected to both sides of the top of the closing cover (3).

4. A noise reduction device for civil construction of a thermal power plant as claimed in claim 3, characterized in that: Both side walls of the noise reduction box (1) are fixedly connected to the limiting rails (4); both sides of the bottom of the closing cover (3) are fixedly connected to the limiting columns (41); and the outer side walls of the limiting columns (41) and the inner side walls of the limiting rails (4) are mutually fitted.

5. A noise reduction device for civil construction of a thermal power plant as claimed in claim 1, characterized in that: A fixing seat (5) is fixedly connected to the bottom of the noise reduction box (1); both sides of the fixing seat (5) are rotatably connected to movable rotating wheels (51).

6. A noise reduction device for civil construction of a thermal power plant as claimed in claim 1, characterized in that: The inner wall of the noise reduction box (1) is fixedly connected to a second fixed arm (6); the second fixed arm (6) is rotatably connected to a support wheel (61) on a side close to the transmission belt (17); the outer wall of the support wheel (61) and the inner wall of the transmission belt (17) are in contact with each other.

7. A noise reduction device for civil construction of a thermal power plant as claimed in claim 1, characterized in that: The inner side wall of the expansion plate (12) is rotatably connected to a plurality of sets of fitting wheels (7); the outer side wall of the fitting wheel (7) fits with the side wall of the limiting plate (11).

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