Detachable air screw compressor acoustic enclosure

Abstract

The utility model relates to a detachable air screw compressor acoustic enclosure, which comprises a ventilator enclosure and a main machine enclosure, the main machine enclosure comprises a plurality of independently detachable module plates, a connecting assembly is arranged between adjacent module plates, and the connecting assembly comprises a support frame which is filled and supported in a mounting through hole formed between the module plates, the module plate is arranged on the supporting frame, the supporting turnup is pressed on the side walls of the supporting frame and the module plate in an abutting mode, the cover plate covers the side, away from the supporting turnup, of the module plate and is fixedly connected with the supporting turnup, and the connecting assembly plays a role in vertically limiting and vertically supporting the module plate. The detachable acoustic shield is adopted, daily inspection and maintenance are facilitated, the labor intensity of workers is reduced, and the enterprise cost is reduced. Meanwhile, the ventilation and heat dissipation effects are good, and air screw compressor equipment in the acoustic shield can be protected; noise discharged during normal operation of the air screw compressor is effectively reduced, and a relatively comfortable working environment is created.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sound shield technical field, especially a detachable air screw compressor sound shield. BACKGROUND

[0002] In the chemical production process, air screw compressor is widely used, and the characteristics or defects in use are mainly that there are many accessory pipelines (including air inlet and outlet pipelines, electrical and electrical instrument pipelines, etc.), the heat discharge is large during operation, the noise generated during operation is large, etc., the sound pressure level generated is generally about 110dB (A), which exceeds the national standard, therefore, the heat, noise, etc. discharged to the outside during the normal operation of the air screw compressor seriously affects the working environment of the workshop workers, and in extreme cases, it constitutes a hidden danger in violation of occupational health.

[0003] At present, in view of the above characteristics or defects, the processing methods are generally soundproof room, workshop wall, door and window sound insulation treatment or various combinations, but the above processing methods also have respective technical disadvantages; first, the soundproof room treatment completely covers the entire air screw compressor and the accessory pipelines, which brings the problems of large size of the soundproof room, poor effect of the internal ventilation and heat dissipation system, and poor detachability of the equipment, which causes inconvenience in daily inspection and maintenance of the workers; secondly, the sound insulation treatment of the workshop wall, door and window brings the problems of large engineering quantity, high cost, and heavy burden on enterprises, and the scheme can control the noise of the workshop outside the factory area not to exceed the standard, but cannot effectively reduce the noise level inside the workshop. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned defects in the existing production technology, the applicant provides a detachable air screw compressor sound shield with a reasonable structure, which can install a sound shield on the working air screw compressor according to actual needs, and simultaneously improve the detachability, ventilation and heat dissipation, and noise control level of the sound shield.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A detachable air screw compressor sound shield, comprising a ventilator cover shell and a main machine cover shell, the main machine cover shell comprises a plurality of independently detachable module plates, a connecting assembly is installed between adjacent module plates, and the connecting assembly comprises:

[0007] A support frame is filled and supported in the installation through hole formed between the module plates,

[0008] A support flange is pressed against the side wall of the support frame and the module plate,

[0009] A cover plate is covered on the side of the module plate away from the support flange, and is tightly connected between the support flange,

[0010] The connecting assembly plays a role of vertical limiting and vertical supporting for the module plate.

[0011] As a further improvement of the above technical solution:

[0012] The supporting flange is located at the edge of the supporting frame, and at least one supporting flange is reserved with a limiting length.

[0013] The module plate is bent to extend a reinforcing flange, and the reinforcing flange compensates for the limiting length reserved by the supporting flange.

[0014] The set of supporting frames is composed of two half open supporting frames, and the reinforcing flange is bent around the two open supporting frames and is limited on the side of the module plate facing the main cover.

[0015] The cover plate and the supporting flange are connected by fasteners or buckles.

[0016] The module plate includes a top horizontal plate and a bottom horizontal plate, and an operation space is reserved between the top horizontal plate and the bottom horizontal plate.

[0017] The bottom horizontal plate is concave in the relative profile of the adjacent longitudinal connecting plate, and the bottom horizontal plate and the longitudinal connecting plate are spliced to form a mounting hole.

[0018] The cover plate at each mounting hole is provided in multiple pieces.

[0019] The beneficial effects of the present application are as follows:

[0020] The detachable soundproof cover is convenient for daily inspection and maintenance, reduces the labor intensity of workers and the cost of enterprises. At the same time, the ventilation and heat dissipation effect is good, which is beneficial to protect the air screw compressor equipment inside the soundproof cover; effectively reduces the noise emitted during normal operation of the air screw compressor, and creates a relatively comfortable working environment.

[0021] In the present application, the connecting assembly is arranged at the top and the bottom to effectively limit the longitudinal connecting plate and the bottom horizontal plate in two directions; the top horizontal plate is additionally limited, which can ensure that the overall strength is reliable enough. In addition, the module plate can be separately disassembled, and only the fasteners such as screws need to be disassembled, and the connecting assembly can be taken out from the hollow position between the top horizontal plate and the bottom horizontal plate, which is simple to operate. In the plastic material embodiment of the present application, even only the buckle needs to be directly pried open, and the disassembly can be completed, which fully meets the requirements of simple operation, reliable connection and local disassembly in the field operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application, and the cover plate is hidden in the figure.

[0023] Figure 2 It isFigure 1 A part of enlarged view of A of Fig.

[0024] Figure 3 The structure schematic diagram of the longitudinal connection plate of the utility model is hidden.

[0025] Figure 4 The structure schematic diagram of the utility model is shown. Figure 3 A part of enlarged view of C of Fig.

[0026] Figure 5 The schematic diagram of the utility model is viewed from the inside of the cover shell.

[0027] Figure 6 The structure schematic diagram of the utility model is shown. Figure 5

[0028] Figure 7 The schematic diagram of the utility model is shown.

[0029] Figure 8 The schematic diagram of the utility model is shown from another perspective, and the red dotted line is a reinforcing flange.

[0030] Figure 9 The schematic diagram of the utility model is shown from another perspective.

[0031] Figure 10 The structure schematic diagram of the utility model is shown. Figure 9 A part of enlarged view of D of Fig.

[0032] 1, ventilator cover shell; 2, main cover shell; 3, longitudinal connection plate; 4, top horizontal plate; 5, bottom horizontal plate; 6, groove; 7, connecting assembly; 8, mounting hole;

[0033] 301, connecting flange; 302, reinforcing flange;

[0034] 401, positioning flange;

[0035] 701, support frame; 702, support flange; 703, cover plate; 704, buckle. DETAILED DESCRIPTION

[0036] The specific implementation of the utility model will be described below with reference to the drawings.

[0037] As shown in Fig. Figures 1-10 The detachable air screw compressor soundproof cover of the embodiment includes a ventilator cover shell 1 and a main cover shell 2, the main cover shell 2 includes a plurality of independently detachable module plates, and a connecting assembly 7 is installed between adjacent module plates, and the connecting assembly 7 includes:

[0038] ​The support frame 701 fills the mounting through holes 8 formed between the module plates.

[0039] The support flange 702 presses against the support frame 701 and the side wall of the module plate.

[0040] The cover plate 703 is affixed to the side of the module plate opposite to the support flange 702 and is securely connected to the support flange 702.

[0041] The connecting component 7 serves to vertically limit and support the module board.

[0042] The support flange 702 is located at the edge of the support frame 701, and at least one support flange has a reserved limiting length.

[0043] The module board is bent and extended to form a reinforcing flange 302, which is compensated and limited at the limit length reserved by the supporting flange 702.

[0044] A set of support frames 701 consists of two half-open support frames 701. The reinforcing flange 302 is bent and wrapped between the two open support frames 701, and then limited to the side of the module plate facing the host housing 2.

[0045] The cover plate 703 and the support flange 702 are connected by fasteners or by snap-fit ​​704.

[0046] The module board includes a top horizontal plate 4 and a bottom horizontal plate 5, with an operating space reserved between the top horizontal plate 4 and the bottom horizontal plate 5.

[0047] The bottom horizontal plate 5 and the adjacent longitudinal connecting plate 3 are recessed at their relative contours, and the bottom horizontal plate 5 and the longitudinal connecting plate 3 are spliced ​​together to form an installation through hole 8.

[0048] The cover plate 703 with 8 through holes at each location is designed as a multi-piece splicing type.

[0049] The main structure of the soundproof enclosure of this utility model is made of carbon steel plate with a thickness of 2mm. Using the carbon steel plate as the base plate, the following are sequentially attached to the carbon steel plate: a sound-absorbing damping material with a thickness of 1mm, a sound-insulating glass fiber layer with a thickness of 50mm, alkali-free glass cloth, and a galvanized perforated plate with a thickness of 0.75mm. The perforation rate of the galvanized perforated plate is 22%, and the hole diameter is φ5mm.

[0050] The sound-absorbing damping material is a commercially available component; it can be either felt or a coating layer.

[0051] The utility model not only needs to overcome the noise problem, but also needs to discharge heat to the outside, discharges heat through setting up low noise axial flow ventilator in the sound insulation cover top, and uses the same composite material as the sound insulation cover main part as ventilator cover shell 1, covers the ventilator also, reduces the noise generated by ventilator.

[0052] The technical key point of the utility model lies in, the main machine cover shell 2 adopts multi-module detachable structure, when maintaining, need to remove a piece or several pieces separately, this requires reliable connecting strength between the module board of whole main machine cover shell 2, when removing one piece, other parts still have reliable supporting relationship, do not affect the overall strength.In addition, considering the operation difficulty, also need to design the detachable structure to simplify as far as possible, convenient operation.

[0053] Based on the above design requirement, the utility model provides the following module board splicing structure:

[0054] As shown in Figure 1 Module board is spliced according to vertical direction, the shape of module board is mainly divided into longitudinal link plate 3, transverse link plate, wherein the transverse link plate is divided into top horizontal plate 4 and bottom horizontal plate 5.Adjacent module board is provided with connecting assembly 7 to carry out quick disassembly and quick installation.

[0055] The design requirement of connecting assembly 7 is: convenient disassembly and assembly;When removing a single plate, other module boards are still limited by connecting assembly 7, keep the original vertical state.When subsequent installation, through the connecting assembly 7 installed on both sides of module board, the module board is quickly reset.

[0056] The following will be described by one group of adjacent module boards as an example;

[0057] As shown in Figure 1 And Figure 3 A certain longitudinal link plate 3 is specified, the top extends to the top surface of main machine cover shell 2, and the bottom extends to the bottom surface of main machine cover shell 2.Each of the two sides of the upper end of the longitudinal link plate 3 is provided with a top horizontal plate 4;Each of the two sides of the lower end of the longitudinal link plate 3 is provided with a bottom horizontal plate 5.

[0058] As shown in Figure 9 And Figure 10 The contour part where top horizontal plate 4 and longitudinal link plate 3 contact, top horizontal plate 4 is bent inward to form positioning flange 401, longitudinal link plate 3 extends outward to form connecting flange 301, when installation, connecting flange 301 is pressed on positioning flange 401, then use screw or other connecting piece to penetrate positioning flange 401 and connecting flange 301, complete the installation limiting of upper part.

[0059] As shown in Figures 3-6As shown, the bottom horizontal plate 5 and the longitudinal connecting plate 3 are provided with a groove 6 at the contact position, and the groove 6 is located on the opposite edges of the bottom horizontal plate 5 and the longitudinal connecting plate 3. When the bottom horizontal plate 5 and the longitudinal connecting plate 3 are assembled, a hollow square mounting hole 8 is formed. The support frame 701 of the connecting assembly 7 is installed on the side of the square mounting hole facing the cover, so that the frame of the support frame 701 fills the four inner walls of the square mounting hole 8, and the support flange 702 around the support frame 701 is attached to the inner wall of the bottom horizontal plate 5 and the longitudinal connecting plate 3. At this time, the support frame 701 supports the mounting hole 8, and the support flange 702 assists in positioning and limiting the bottom horizontal plate 5 and the longitudinal connecting plate 3 in the vertical direction.

[0060] As shown in Figure 2 and Figure 7 , Figure 8 , as an optional solution, the bottom horizontal plate 5 is extended to form a reinforcing flange 302 near the groove 6. The support flange 702 is provided around the support frame 701, but at least one support flange 702 is shorter than the length of the edge of the support frame 701, so that part of the support frame 701 is exposed. The reinforcing flange 302 is pressed at the exposed part of the support frame 701, as shown by the red dotted line in Figure 8 . The reinforcing flange 302 is arranged to facilitate the installation of the connecting assembly 7 and to provide limiting force from the other side of the cover, thereby improving the installation strength.

[0061] After the connecting assembly 7 is installed on the inside of the cover, a cover plate 703 is added on the outside of the cover, and fasteners such as screws are used to fasten the bottom horizontal plate 5 and the longitudinal connecting plate 3.

[0062] In order to facilitate local disassembly, in this embodiment, the cover plate 703 on one mounting hole 8 is divided into multiple parts, for example, three parts, to facilitate local disassembly and limiting by other cover plates 703.

[0063] As another optional embodiment, the soundproof cover can also be made of plastic material. The plastic material can directly cancel the use of fasteners and replace them with a buckle structure as shown in Figure 7 . The inner wall of the support frame 701 is formed with a buckle 704, which is exposed on the inner wall of the support frame 701 when the support frame 701 is embedded in the mounting hole 8. Another buckle 704 is formed on the side of the cover plate 703 facing the support frame 701, and the two buckles 704 are pressed to limit the position during installation.

[0064] The advantage of plastic material is that it is lighter and easier to disassemble, but compared to metal material using fasteners, the service life is slightly shorter, but still within the service life of the equipment in the cover, so it also has sufficient practicality. Users can choose metal material or plastic material according to actual needs and budget.

[0065] The above description is an explanation of the present application, not a limitation of the present application, the scope of the present application is defined in the claims, within the protection scope of the present application, any form of modification can be made.

Claims

1. A detachable sound enclosure for air screw compressor, comprising a ventilator casing (1) and a main casing (2), characterized in that: The mainframe housing (2) comprises a plurality of independently detachable module plates, and connecting assemblies (7) are installed between adjacent module plates, wherein the connecting assemblies (7) comprise: a support frame (701) filled and supported in the installation through hole (8) formed between the module plates, a support flange (702) abutting and pressing on the support frame (701) and the side wall of the module plate, a cover plate (703) covering the side of the module plate away from the support flange (702) and being fastened and connected with the support flange (702), The connecting assembly (7) plays a vertical limiting and vertical supporting role for the module plate.

2. The demountable air screw compressor sound enclosure of claim 1, wherein: The support flange (702) is located at the edge of the support frame (701), and at least one support flange is provided with a limiting length.

3. The demountable air screw compressor sound enclosure of claim 2, wherein: The reinforcing flange (302) is bent and extended on the module plate, and the reinforcing flange (302) compensates the limiting length reserved in the support flange (702).

4. The demountable air screw compressor sound enclosure of claim 3, wherein: A set of support frames (701) are composed of two half-open support frames (701), and the reinforcing flange (302) is bent and wound between the two half-open support frames (701) to limit the side of the module plate facing the inside of the mainframe housing (2).

5. The demountable air screw compressor sound enclosure of claim 1, wherein: The cover plate (703) and the support flange (702) are connected by fasteners or buckles (704).

6. The demountable air screw compressor sound enclosure of claim 1, wherein: The module plate comprises a top horizontal plate (4) and a bottom horizontal plate (5), and an operation space is reserved between the top horizontal plate (4) and the bottom horizontal plate (5).

7. The demountable air screw compressor sound enclosure of claim 6, wherein: The bottom horizontal plate (5) is concave in the opposite contour of the adjacent longitudinal connecting plate (3), and the bottom horizontal plate (5) and the longitudinal connecting plate (3) are spliced to form the installation through hole (8).

8. The demountable air screw compressor sound enclosure of claim 7, wherein: The cover plate (703) at each installation through hole (8) is provided in a plurality of spliced pieces.

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