Building engineering sound insulation device

Abstract

The utility model relates to the technical field of sound insulation of constructional engineering, in particular to a sound insulation device for constructional engineering, which can adjust the sound insulation height, is convenient to adjust according to actual conditions, improves the sound insulation effect and improves the practicability. Comprising a lower sound insulation plate, four sets of fixing lug plates are symmetrically and fixedly connected to the outer wall of the bottom of the lower sound insulation plate, a containing cavity is formed in the top of the lower sound insulation plate in a downward extending mode, and an extending sound insulation plate is slidably installed on the lower sound insulation plate through cooperation with the containing cavity; a follow-up gear is fixedly arranged on the follow-up shaft in a sleeving mode, the driving gear and the follow-up gear are located in the two sets of notches correspondingly, transmission racks are fixedly connected to the positions, in the two sides of the extending sound insulation plate, in the notches correspondingly, the two sets of transmission racks are engaged with the driving gear and the follow-up gear correspondingly, and a knob bolt is screwed to the upper left portion of the lower sound insulation plate; the rear end of the knob bolt clings to the front end of the extending sound insulation plate.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering sound insulation, in particular to a building engineering sound insulation device. Background Art

[0002] In construction projects, construction sites will generate noise due to the operation of cutting machines, pile drivers, compactors, and excavators. The noise will affect the surrounding people. Therefore, it is necessary to install sound insulation devices around the construction project. On the one hand, it can be used to reduce noise transmission. On the other hand, it can also act as a guardrail to prevent outsiders from entering the construction site.

[0003] Currently, most existing sound insulation devices for construction projects use sound insulation panels for sound insulation. However, the existing sound insulation devices cannot adjust the height when in use, which makes it inconvenient to adjust the height according to actual conditions, affecting the sound insulation effect and lacking practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a construction engineering sound insulation device which can adjust the sound insulation height, facilitates the height adjustment according to actual conditions, improves the sound insulation effect, and enhances practicality.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sound insulation device for construction engineering, comprising a lower sound insulation board and an extension mechanism, wherein four groups of fixed ear plates are symmetrically fixedly connected on the outer wall of the bottom of the lower sound insulation board, the extension mechanism comprises an extended sound insulation board, a storage cavity is provided on the top of the lower sound insulation board extending downward, the extended sound insulation board is slidably mounted on the lower sound insulation board by cooperating with the storage cavity, a driving shaft and a follower shaft are provided for the left-right symmetrical rotation of the lower sound insulation board, slots are vertically penetrated at both ends of the extended sound insulation board, and the front and rear ends of the two groups of slots are provided with There are guide grooves, the driving shaft passes through the two groups of guide grooves on the right, and the driven shaft passes through the two groups of guide grooves on the left. The front end of the driving shaft is fixedly connected with a handwheel, a driving gear is fixedly sleeved on the driving shaft, and a follower gear is fixedly sleeved on the follower shaft, and the driving gear and the follower gear are respectively located in two groups of notches, and transmission racks are fixedly connected in the notches on both sides of the extended sound insulation board, and the two groups of transmission racks are respectively meshed with the driving gear and the follower gear, and a knob bolt is screwed on the upper left corner of the lower sound insulation board, and the rear end of the knob bolt is tightly attached to the front end of the extended sound insulation board.

[0007] Preferably, the top end of the extended sound insulation board is fixedly connected with a top plate.

[0008] Preferably, a crank is fixedly connected to the front edge of the handwheel.

[0009] Preferably, a non-slip handle cover is fixed on the outer wall of the crank.

[0010] Preferably, a plurality of groups of anti-slip convex strips are equidistantly arranged on the outer wall of the knob bolt.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, the lower sound insulation board is fixed and installed in an appropriate position by the cooperation of the bolt and the fixed ear plate, and then the height is adjusted according to the on-site construction conditions. When adjusting, first loosen the knob bolt, and then rotate the drive shaft through the hand wheel, so that the drive shaft drives the extended sound insulation board to slide upward through the meshing of the active gear and the transmission rack, and when the extended sound insulation board slides upward, the follower gear is driven by the transmission rack to follow the rotation, so that the extended sound insulation board is steadily raised from the storage cavity of the lower sound insulation board, so as to adjust the height of the sound insulation, after the height of the extended sound insulation board is adjusted, tighten the knob bolt again, so that the rear end of the knob bolt is tightly attached to the front end of the extended sound insulation board, so as to fix the position of the extended sound insulation board, so that the sound insulation height can be adjusted, and the height can be adjusted conveniently according to the actual situation, so as to improve the sound insulation effect and improve the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric cross-section structure of the utility model;

[0014] Figure 3 This utility model Figure 2 Schematic diagram of the left axonometric structure;

[0015] Figure 4 It is a partial enlarged structural schematic diagram of A of the utility model;

[0016] Markings in the attached drawings: 1. lower sound insulation board; 2. fixed ear plate; 3. extended sound insulation board; 4. driving shaft; 5. guide groove; 6. hand wheel; 7. driving gear; 8. follower shaft; 9. follower gear; 10. transmission rack; 11. knob bolt; 12. top plate; 13. crank; 14. anti-slip handle; 15. anti-slip convex strip. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] Example

[0019] See also Figure 1-Figure 4The utility model is a sound insulation device for building engineering, comprising a lower sound insulation board 1, four groups of fixed ear plates 2 are symmetrically fixedly connected on the outer wall of the bottom of the lower sound insulation board 1, a storage cavity is provided on the top of the lower sound insulation board 1 extending downward, an extended sound insulation board 3 is slidably installed on the lower sound insulation board 1 by cooperating with the storage cavity, a driving shaft 4 and a follower shaft 8 are symmetrically rotated on the lower sound insulation board 1, notches are vertically penetrated at both ends of the extended sound insulation board 3, and guide grooves 5 are provided at the front and rear ends of the two groups of notches, and the driving The shaft 4 passes through the two sets of guide grooves 5 on the right side, and the follower shaft 8 passes through the two sets of guide grooves 5 on the left side. The front end of the driving shaft 4 is fixedly connected with a hand wheel 6. The driving shaft 4 is fixedly sleeved with a driving gear 7, and the follower shaft 8 is fixedly sleeved with a follower gear 9. The driving gear 7 and the follower gear 9 are respectively located in two sets of notches. The notches on both sides of the extended sound insulation board 3 are fixedly connected with transmission racks 10. The two sets of transmission racks 10 are respectively meshed with the driving gear 7 and the follower gear 9. The upper left corner of the lower sound insulation board 1 A knob bolt 11 is screwed, and the rear end of the knob bolt 11 is tightly attached to the front end of the extended sound insulation board 3; when in use, the lower sound insulation board 1 is fixed and installed in an appropriate position by the cooperation of the bolt and the fixed ear plate 2, and then the height is adjusted according to the on-site construction conditions. When adjusting, first loosen the knob bolt 11, and then rotate the drive shaft 4 through the hand wheel 6, so that the drive shaft 4 drives the extended sound insulation board 3 to slide upward through the meshing of the active gear 7 and the transmission rack 10. When the extended sound insulation board 3 slides upward, the transmission rack 10 drives the follower gear 9 to follow the rotation, so that the extended sound insulation board 3 is steadily raised from the storage cavity of the lower sound insulation board 1, so as to adjust the height of the sound insulation. After the height of the extended sound insulation board 3 is adjusted, tighten the knob bolt 11 again, so that the rear end of the knob bolt 11 is tightly attached to the front end of the extended sound insulation board 3, so as to fix the position of the extended sound insulation board 3, so that the sound insulation height can be adjusted, which is convenient for adjusting the height according to actual conditions, improving the sound insulation effect, and improving practicality.

[0020] The top of the extended sound insulation board 3 is fixedly connected with a top plate 12; by providing the top plate 12, when the extended sound insulation board 3 is retracted into the storage cavity, the top plate 12 can just cover the lower sound insulation board 1, playing a role of aesthetic limitation.

[0021] The front end edge of the hand wheel 6 is fixedly connected with a crank 13; by providing the crank 13, the hand wheel 6 can be more convenient to rotate.

[0022] An anti-skid grip sleeve 14 is fixedly sleeved on the outer wall of the crank handle 13 ; by providing the anti-skid grip sleeve 14 , it is possible to prevent the hand from slipping when the crank handle 13 is held to rotate the hand wheel 6 .

[0023] A plurality of groups of anti-skid ridges 15 are equidistantly arranged on the outer wall of the knob bolt 11 ; the anti-skid ridges 15 can prevent the knob bolt 11 from slipping when it is turned.

[0024] The utility model discloses a sound insulation device for construction engineering, and its working principle is that when in use, the lower sound insulation board 1 is fixedly installed in an appropriate position by the cooperation of the bolt and the fixed ear plate 2, and then the height is adjusted according to the on-site construction conditions. When adjusting, the knob bolt 11 is first loosened, and then the driving shaft 4 is rotated by the hand wheel 6, so that the driving shaft 4 drives the extended sound insulation board 3 to slide upward through the meshing of the active gear 7 and the transmission rack 10, and when the extended sound insulation board 3 slides upward, the transmission rack 10 drives the follower gear 9 to follow the rotation, so that the extended sound insulation board 3 is steadily raised from the storage cavity of the lower sound insulation board 1, so as to adjust the height of the sound insulation, and after the height of the extended sound insulation board 3 is adjusted, the knob bolt 11 is tightened again, so that the rear end of the knob bolt 11 is tightly attached to the front end of the extended sound insulation board 3, so as to fix the position of the extended sound insulation board 3.

[0025] The utility model provides a construction engineering sound insulation device, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; technicians in this industry only need to install and operate it according to the accompanying instruction manual.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sound insulation device for construction engineering, comprising a lower sound insulation board (1), characterized in that: Also includes an extension mechanism; A lower sound insulation board (1), wherein four groups of fixed ear plates (2) are symmetrically fixedly connected to the outer wall at the bottom of the lower sound insulation board (1); The extension mechanism comprises an extension sound insulation board (3), a storage cavity extending downward from the top of the lower sound insulation board (1), the extension sound insulation board (3) is slidably mounted on the lower sound insulation board (1) by cooperating with the storage cavity, a drive shaft (4) and a follower shaft (8) are symmetrically rotated on the lower sound insulation board (1), notches are vertically penetrated at both ends of the extension sound insulation board (3), guide grooves (5) are provided at the front and rear ends of the two groups of notches, the drive shaft (4) passes through the two groups of guide grooves (5) on the right, the follower shaft (8) passes through the two groups of guide grooves (5) on the left, and the drive shaft (4) A hand wheel (6) is fixedly connected to the front end, a driving gear (7) is fixedly sleeved on the driving shaft (4), a follower gear (9) is fixedly sleeved on the follower shaft (8), and the driving gear (7) and the follower gear (9) are respectively located in two groups of notches, and transmission racks (10) are fixedly connected to the notches on both sides of the extended sound insulation board (3), and the two groups of transmission racks (10) are respectively meshed with the driving gear (7) and the follower gear (9), and a knob bolt (11) is screwed on the upper left of the lower sound insulation board (1), and the rear end of the knob bolt (11) is tightly attached to the front end of the extended sound insulation board (3).

2. A construction engineering sound insulation device as claimed in claim 1, characterized in that: The top end of the extended sound insulation board (3) is fixedly connected to a top plate (12).

3. A construction engineering sound insulation device as claimed in claim 2, characterized in that: The front end edge of the hand wheel (6) is fixedly connected with a crank (13).

4. A construction engineering sound insulation device as claimed in claim 3, characterized in that: An anti-slip handle cover (14) is fixedly sleeved on the outer wall of the crank (13).

5. A construction engineering sound insulation device as claimed in claim 4, characterized in that: A plurality of groups of anti-slip convex strips (15) are arranged at equal intervals on the outer wall of the knob bolt (11).

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