Silencing mechanism for diesel generating set

Abstract

The utility model relates to the technical field of diesel generating sets, and discloses a silencing mechanism for a diesel generating set, which comprises a base, the upper surface of the base is provided with a concentric-square-shaped groove, a protective cover is slidably connected in the concentric-square-shaped groove, and a plurality of fixing components for fixing the protective cover are arranged between the protective cover and the concentric-square-shaped groove. The two ends of the lower surface of the base are each fixedly connected with a set of rubber damping blocks, each set comprises two rubber damping blocks, the lower surfaces of the two rubber damping blocks in the same set are fixedly connected with a supporting seat, and a rubber pad adheres to the upper surface of the base. According to the utility model, through the arrangement of the rubber pad and the rubber damping block, the noise generated by resonance generated by direct contact of metal parts can be effectively reduced by utilizing the arrangement of the rubber pad, and the vibration generated by the device is absorbed by utilizing the rubber damping block, so that the noise generated by vibration generated by the device and the ground is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to diesel generating set technical field more specifically relates to a kind of silencing mechanism for diesel generating set. BACKGROUND

[0002] As important backup power supply equipment, diesel generating set is widely used in industry, municipal, data center and remote area. However, the noise generated during its operation has significant impact on the environment and human health, including residential life interference, staff hearing damage and ecological destruction, noise mainly comes from mechanical vibration, exhaust noise, ventilation and heat dissipation airflow sound and combustion knock, among which exhaust and mechanical vibration are the main noise source.

[0003] Through retrieval, the patent with announcement number CN216588848U discloses a kind of diesel generating set silencing device, the device utilizes soundproof box and isolation chamber can effectively silencing isolation the noise generated by generating set, reduce the noise pollution of surrounding environment, but the unit vibration is transmitted to external environment through base during the working process of diesel generating set, and the noise caused thereby cannot be effectively reduced. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of silencing mechanism for diesel generating set to solve the problems existing in the above background art.

[0005] The utility model provides the following technical scheme: a kind of silencing mechanism for diesel generating set, including base, the upper surface of the base is provided with back-shaped groove, the back-shaped groove is slidably connected with protective cover, and a plurality of fixing components for fixing protective cover are provided between protective cover and back-shaped groove, the lower surface of the base is fixedly connected with a group of rubber shock absorbers, and each group is two, the lower surface of the two rubber shock absorbers of same group is fixedly connected with support seat, the upper surface of the base is bonded with rubber pad, the rubber pad and the base are both provided with mounting hole for installing diesel generating set, the protective cover is equipped with silencing exhaust pipe for cooperating with diesel generating set exhaust pipe.

[0006] As a further scheme of the utility model, the protective cover is composed of frame, two side plates and a plurality of perforated soundproof boards, the side plates are fixedly connected to the inner walls of the longer sides of the frame, and the plurality of perforated soundproof boards are fixedly connected to the inner walls of the shorter sides and the top of the frame.

[0007] As a further scheme of the utility model, the side plate is composed of two clamping plates and a sound insulation layer, and the sound insulation layer is located between the two clamping plates.

[0008] As a further scheme of the utility model, the sound insulation layer is glass wool.

[0009] As a further scheme of the utility model, the fixed assembly includes multiple square holes opened at the corners of the back-shaped groove, square blocks matched with the square holes are fixedly connected to the lower surface of the frame at the four corners, a through hole is formed in one side of the square hole, a screw is arranged in the through hole, and a screw hole matched with the screw is formed in one side of the square block.

[0010] As a further scheme of the utility model, the perforated sound insulation board is composed of two calcium silicate perforated sound absorption boards and one glass wool perforated composite sound absorption board, and the glass wool perforated composite sound absorption board is located between the two calcium silicate perforated sound absorption boards.

[0011] As a further scheme of the utility model, the rubber damping block and the rubber pad are both polyurethane rubber.

[0012] The utility model discloses a technical effect and advantage:

[0013] 1. The rubber pad and the rubber damping block can effectively reduce the resonance of the metal parts and the noise generated by the resonance, and the rubber damping block can absorb the vibration generated by the device itself, thereby effectively reducing the noise generated by the vibration of the device and the ground.

[0014] 2. The perforated sound insulation board and the combined side plate can effectively absorb the noise generated during the operation of the diesel generating set, and the perforated sound insulation board can perform heat dissipation treatment on the inside of the protective cover, thereby preventing the high internal temperature from affecting the normal operation of the device.

[0015] 3. The fixed assembly can detachably provide the protective cover, and the protective cover can be installed or not installed according to requirements, and the structure is simple and convenient to disassemble and assemble. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is an overall explosion structure schematic view of the utility model.

[0018] Figure 3 It is a local explosion structure schematic view of the utility model.

[0019] Figure 4 It is an enlarged structure schematic view of the side plate of the utility model.

[0020] Figure 5 It is a local enlarged structure schematic view of the base of the utility model.

[0021] Figure 6 It is a three-dimensional structure schematic view of the utility modelFigure 2 A enlarged structural schematic view of part A.

[0022] The figure marks are: 1, base; 2, back-shaped groove; 3, protective cover; 301, frame; 302, side plate; 3021, clamping plate; 3022, sound insulation layer; 303, perforated sound insulation plate; 4, rubber shock absorbing block; 5, support seat; 6, sound attenuation exhaust pipe; 7, rubber pad; 8, mounting hole; 9, square hole; 10, through hole; 11, square block; 12, screw; 13, screw hole. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model will be described below in connection with the drawings in the utility model, and additionally, the forms of each structure recorded in the following implementation manners are only examples, and the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.

[0024] Referring to Figures 1-6 The utility model provides a kind of sound attenuation mechanism for diesel generating set, including base 1, the upper surface of base 1 is equipped with back-shaped groove 2, protective cover 3 is slidably connected in back-shaped groove 2, and multiple fixing assemblies for fixing protective cover 3 are equipped between protective cover 3 and back-shaped groove 2, the lower surface of base 1 is fixedly connected with a group of rubber shock absorbing block 4 at both ends, and each group is two, the lower surface of two rubber shock absorbing blocks 4 of same group is fixedly connected with support seat 5 by bolt, the upper surface of base 1 is bonded with rubber pad 7, and mounting hole 8 for installing diesel generating set is equipped on rubber pad 7 and base 1, sound attenuation exhaust pipe 6 for cooperation with the exhaust pipe of diesel generating set is equipped on protective cover 3, when using, first, diesel generating set is installed on the rubber pad 7 on base 1, then protective cover 3 is embedded into back-shaped groove 2, while installing protective cover 3, sound attenuation exhaust pipe 6 on it is connected with the exhaust pipe of diesel generating set, and rubber pad 7 reduces the vibration generated by the metal collision of diesel generating set and base 1 during the working process of diesel generating set, to avoid resonance generated by direct contact of metal parts, to generate noise, and the vibration generated by device itself is absorbed by rubber shock absorbing block 4 during the working process of unit, effectively reduce the noise generated by vibration of device and ground, the noise generated by resonance of metal parts by direct contact is effectively reduced by the setting of rubber pad 7, and the vibration generated by device itself is absorbed by rubber shock absorbing block 4, effectively reduce the noise generated by vibration of device and ground.

[0025] It should be noted that: the muffler 6 is prior art, the muffler 6 is composed of a shell, an inner tube, a perforated tube, an expansion cavity, and a sound absorbing material, the inner tube is located in the innermost layer and penetrates through the center of the entire exhaust pipe, the perforated tube is wrapped outside the inner tube, the expansion cavity is arranged in sections along the length direction of the exhaust pipe, and the expansion cavity and the contraction section are arranged alternately, the sound absorbing material is filled in the annular space between the perforated tube and the shell, and the shell is located in the outermost layer and wraps the entire internal structure, and a person skilled in the art can set it according to actual requirements, which is not described here.

[0026] The rubber shock-absorbing block 4 and the rubber pad 7 are both polyurethane rubber.

[0027] In the utility model, the protective cover 3 is composed of a frame 301, two side plates 302 and a plurality of perforated sound insulation plates 303, the side plates 302 are fixedly connected to the inner walls of the two longer sides of the frame 301 through bolts, the plurality of perforated sound insulation plates 303 are fixedly connected to the inner walls of the two shorter sides and the top of the frame 301 through bolts, the side plate 302 is composed of two clamping plates 3021 and a sound insulation layer 3022, the sound insulation layer 3022 is glass wool, and the sound insulation layer 3022 is located between the two clamping plates 3021, the perforated sound insulation plate 303 is composed of two calcium silicate perforated sound absorption plates and a glass wool perforated composite sound absorption plate, and the glass wool perforated composite sound absorption plate is located between the two calcium silicate perforated sound absorption plates, the noise generated in the working process of the diesel generating set can be effectively absorbed through the provided perforated sound insulation plate 303 and the combined side plate 302, and the internal heat dissipation treatment of the protective cover 3 can be performed through the provided perforated sound insulation plate 303, so that the normal operation of the device is prevented from being affected by the excessively high internal temperature.

[0028] In the utility model, the fixing assembly includes a plurality of square holes 9 opened at the corners of the back-shaped groove 2, a square block 11 used in cooperation with the square hole 9 is fixedly connected to the lower surface of the frame 301 through a bolt at each corner, a through hole 10 penetrating one side of the square hole 9 is provided, a screw 12 is arranged in the through hole 10, a screw hole 13 used in cooperation with the screw 12 is provided on one side of the square block 11, the plurality of square blocks 11 are aligned with the square holes 9 during the installation of the protective cover 3, the frame 301 of the protective cover 3 is completely embedded into the back-shaped groove 2 at the same time that the through hole 10 and the screw hole 13 are aligned, and then the screw 12 is screwed into the screw hole 13 through the through hole 10, so that the fixing of the protective cover 3 is completed, the protective cover 3 can be provided with a detachable type through the provided fixing assembly, and whether the protective cover 3 is installed or not can be determined according to requirements, and the structure is simple and convenient to disassemble and assemble.

[0029] Polyurethane rubber: high strength, large damping, suitable for heavy load or severe impact scene, the shock absorbing principle of rubber Elastic deformation ability: rubber belongs to high molecular elastomer, under the action of external force (such as vibration, impact), reversible elastic deformation can occur, absorb vibration energy and convert into heat energy release, thereby reducing the transmission of vibration. Damping characteristics: the internal molecular chain of rubber will produce internal friction when moving, this damping effect can consume vibration energy, suppress resonance and reduce vibration amplitude.

[0030] The utility model discloses in using the following steps:

[0031] S1: when using, first install the diesel generating set on the rubber pad 7 on the base 1, then embed the protective cover 3 into the back type groove 2, connect the muffling exhaust pipe 6 on the protective cover 3 with the exhaust pipe of the diesel generating set when installing the protective cover 3, the rubber pad 7 reduces the vibration caused by the metal collision of the diesel generating set and the base 1 during the working process of the diesel generating set, thereby avoiding the direct contact of metal parts to produce resonance, thereby producing noise, and the vibration generated by the device itself is absorbed through the rubber shock absorbing block 4 during the working process of the unit, effectively reducing the noise generated by the vibration of the device and the ground to form;

[0032] S2: during the installation of the protective cover 3, the plurality of blocks 11 are installed in the square hole 9, the through hole 10 is aligned with the screw hole 13 when the frame 301 of the protective cover 3 is completely embedded into the back type groove 2, then the screw 12 is screwed into the screw hole 13 through the through hole 10, and the fixing of the protective cover 3 is completed.

[0033] Finally, it should be pointed out that in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] The electronic components and modules used in the utility model content can be the parts commonly used in the market at present, which can realize the specific functions in the case, and the specific model and size can be selected and adjusted according to actual needs;

[0035] In the utility model discloses the embodiment drawing, only relate to the structure involved in the embodiment of the disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A silencing mechanism for a diesel generator set comprising a base (1), characterised in that: The upper surface of the base (1) is provided with a back-shaped groove (2), the back-shaped groove (2) is slidably connected with a protective cover (3), and a plurality of fixing assemblies for fixing the protective cover (3) are arranged between the protective cover (3) and the back-shaped groove (2), the lower surface of the base (1) is fixedly connected with a group of rubber shock-absorbing blocks (4) at both ends, and each group is two, the lower surfaces of the two rubber shock-absorbing blocks (4) in the same group are fixedly connected with a support seat (5), the upper surface of the base (1) is bonded with a rubber pad (7), the rubber pad (7) and the base (1) are both provided with mounting holes (8) for mounting a diesel generating set, and the protective cover (3) is provided with a sound-absorbing exhaust pipe (6) used in cooperation with an exhaust pipe of the diesel generating set.

2. The silencer for a diesel generating set according to claim 1, characterized in that: The protective cover (3) is composed of a frame (301), two side plates (302) and a plurality of perforated sound insulation plates (303), the side plates (302) are fixedly connected to the inner walls of the longer sides of the frame (301), and the plurality of perforated sound insulation plates (303) are fixedly connected to the inner walls of the shorter sides and the top of the frame (301).

3. The silencer for a diesel generator set according to claim 2, characterized in that: The side plate (302) is composed of two clamping plates (3021) and a sound insulation layer (3022), and the sound insulation layer (3022) is located between the two clamping plates (3021).

4. The silencer according to claim 3, wherein: The sound insulation layer (3022) is glass wool.

5. The silencer for a diesel generator set according to claim 2, characterized in that: The fixing assembly comprises a plurality of square holes (9) provided at the corners of the back-shaped groove (2), the lower surface of the frame (301) is fixedly connected with a square block (11) used in cooperation with the square hole (9) at each corner, one side of the square hole (9) is provided with a through hole (10) penetrating through, the through hole (10) is provided with a screw (12), and one side of the square block (11) is provided with a screw hole (13) used in cooperation with the screw (12).

6. The silencer for a diesel generator set according to claim 3, characterized in that: The perforated sound insulation plate (303) is composed of two calcium silicate perforated sound absorption plates and a glass wool perforated composite sound absorption plate, and the glass wool perforated composite sound absorption plate is located between the two calcium silicate perforated sound absorption plates.

7. The silencer for a diesel generator set according to claim 1, characterized in that: The rubber shock-absorbing block (4) and the rubber pad (7) are both polyurethane rubber.

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