CN219710439U - Loader hood with noise reduction mechanism - Google Patents

Abstract

The utility model relates to the technical field of hoods, in particular to a loader hood with a noise reduction mechanism. The technical scheme mainly aims at the problems that when a loader works, an engine generates noise, pollutes the surrounding environment and affects the operation of staff, and is as follows: including the cover body, the bottom of the cover body sets up for the opening, the maintenance mouth has been seted up to one side of the cover body, one side of seting up the maintenance mouth on the cover body articulates there is the maintenance door, one side that the cover body was kept away from to the maintenance door is connected with the handle, the outside position of maintenance mouth is provided with the sealing frame of installing on the cover body, set up the seal groove that corresponds with the sealing frame on the maintenance door, the air inlet has still been seted up to the side of the cover body, the air outlet has still been seted up to one side that the air inlet was kept away from to the cover body. The utility model can effectively reduce the temperature in the cover body, so that the engine works normally, and simultaneously, the noise generated when the engine works is greatly reduced, and the utility model has simple structure and strong practicability.

Description

Loader hood with noise reduction mechanism

Technical Field

The utility model relates to the technical field of hoods, in particular to a loader hood with a noise reduction mechanism.

Background

The loader is a kind of earth and stone construction machine widely used in highway, railway, building, hydropower, harbor, mine and other construction engineering, and is mainly used for shoveling soil, sand, lime, coal and other bulk materials, and also can be used for slightly shoveling ores, hard soil and other materials. The replacement of different auxiliary working devices can also carry out bulldozing, lifting and loading and unloading operations of other materials such as wood. The engine is used as an important component of the loader, and generates noise when the loader works, so that the engine pollutes the surrounding environment and influences the operation of staff; in view of this, we propose a loader hood with a noise reduction mechanism.

Disclosure of Invention

The utility model aims to solve the problems that in the background art, when a loader works, an engine generates noise, the surrounding environment is polluted, and the operation of workers is influenced, and provides a loader cover with a noise reduction mechanism.

The technical scheme of the utility model is as follows: the utility model provides a loader aircraft bonnet with mechanism of making an uproar falls, includes the cover body, the bottom of the cover body sets up for the opening, the maintenance mouth has been seted up to one side of the cover body, one side of seting up the maintenance mouth on the cover body articulates there is the maintenance door, one side that the cover body was kept away from to the maintenance door is connected with the handle, the outside position of maintenance mouth is provided with the sealed frame of installing on the cover body, set up the seal groove that corresponds with the sealed frame on the maintenance door, multiunit fixed block is installed to the bottom of the cover body, be provided with fixing bolt on the fixed block, the air inlet has still been seted up to the side of the cover body, the outside of air inlet is provided with the intake pipe of installing on the cover body, the gas outlet has still been seted up to one side that the cover body was kept away from the air inlet, the outside of gas outlet is provided with the outlet duct of installing on the cover body, install the silencer on the outlet duct.

Preferably, the installation frame is installed to the inboard of air inlet, installation frame fixed connection is at the inner wall of the cover body, install the pivot in the installation frame, be connected with multiunit flabellum in the pivot.

Preferably, one end fixedly connected with first belt pulley of pivot, install a plurality of belts on the first belt pulley, still install the second belt pulley in the belt, the inner wall fixedly connected with servo motor of the cover body, servo motor's output and second belt pulley fixed connection.

Preferably, the rotating shaft is rotatably connected in the mounting frame.

Preferably, the side of the maintenance door close to the cover body is provided with sound-absorbing foam, and the inner wall of the cover body is also provided with sound-absorbing foam.

Preferably, a filter screen is arranged in the air inlet pipe.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, through the arrangement of the sound-absorbing foam, the noise generated when part of the engine works is absorbed; the rotating shaft is driven to rotate by the arrangement of the servo motor, so that the plurality of groups of fan blades rotate by taking the rotating shaft as an axis, outside air is sucked from the air inlet and discharged from the air outlet, the air in the cover body circulates, and the heat generated when part of the engine works is taken away, so that the engine temperature cannot be too high to influence the work; through the arrangement of the muffler, the noise transmitted from the gas outlet pipe is effectively reduced; the maintenance door can be opened by arranging the sound-absorbing foam on the maintenance door, a worker can maintain the engine at the maintenance port, and meanwhile, when the maintenance door is closed, the sound-absorbing foam can reduce noise from the maintenance port;

the utility model can effectively reduce the temperature in the cover body, so that the engine works normally, and simultaneously, the noise generated when the engine works is greatly reduced, and the utility model has simple structure and strong practicability.

Drawings

FIG. 1 is a front view of a loader hood with a noise reduction mechanism;

FIG. 2 is a schematic illustration of a disassembled structure of the maintenance door;

fig. 3 is a schematic cross-sectional structure of fig. 1.

Reference numerals: 1. a cover body; 2. maintaining the door; 3. a handle; 4. a sealing frame; 5. sealing grooves; 6. a fixed block; 7. a fixing bolt; 8. a sound absorbing foam; 9. an air inlet; 10. an air inlet pipe; 11. a filter screen; 12. an air outlet; 13. an air outlet pipe; 14. a mounting frame; 15. a rotating shaft; 16. a fan blade; 17. a first pulley; 18. a belt; 19. a second belt pulley; 20. a servo motor.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-3, the loader hood with the noise reduction mechanism provided by the utility model comprises a hood body 1, wherein the bottom of the hood body 1 is provided with an opening, and the hood body 1 is covered on an engine and is used for preventing the engine from being damaged due to external mechanical force. One side of the cover body 1 is provided with a maintenance port which is used for facilitating maintenance of the engine after the cover body 1 is installed. One side of the cover body 1 provided with a maintenance port is hinged with a maintenance door 2, and the maintenance door 2 is used for sealing the maintenance port when the engine is in a normal working state. One side of the maintenance door 2 far away from the cover body 1 is connected with a handle 3, and the handle 3 is used for conveniently opening the maintenance door 2. The outside position of maintenance mouth is provided with the sealing frame 4 of installing on the cover body 1, has seted up the seal groove 5 that corresponds with sealing frame 4 on the maintenance door 2, and sealing frame 4 and sealing groove 5's setting are used for being tighter when maintenance door 2 closes. Four groups of fixing blocks 6 are arranged at the bottom of the cover body 1, fixing bolts 7 are arranged on the fixing blocks 6, and the fixing blocks 6 and the fixing bolts 7 are used for fixing the cover body 1 on the loader. The side of the maintenance door 2, which is close to the cover body 1, is provided with a sound-absorbing foam 8, and the inner wall of the cover body 1 is also provided with the sound-absorbing foam 8, wherein the sound-absorbing foam 8 is used for absorbing part of noise generated during the operation of the engine. The side of the cover body 1 is also provided with an air inlet 9, and the air inlet 9 is an air inlet. The outside of the air inlet 9 is provided with an air inlet pipe 10 arranged on the cover body 1, a filter screen 11 is arranged in the air inlet pipe 10, the filter screen 11 is used for preventing external sundries from entering the cover body 1 to cause damage to the engine, and meanwhile, the filter screen 11 can filter part of dust in the air to prevent the dust from entering the cover body 1 and attaching to the engine. An air outlet 12 is also formed on one side of the cover body 1 far away from the air inlet 9, and the air outlet 12 is an air outlet of the cover body 1. The outside of the air outlet 12 is provided with an air outlet pipe 13 arranged on the cover body 1, and the air outlet pipe 13 is provided with a muffler for reducing noise generated by the engine transmitted from the air outlet 12. The inside of the air inlet 9 is provided with a mounting frame 14 fixedly connected to the inner wall of the cover body 1, a rotating shaft 15 is arranged in the mounting frame 14, the rotating shaft 15 is rotatably connected in the mounting frame 14, and the mounting frame 14 is used for limiting the rotating shaft 15 to prevent the rotating shaft from moving when the rotating shaft 15 rotates. The rotating shaft 15 is connected with a plurality of groups of fan blades 16, and the fan blades 16 are used for driving the fan blades 16 to rotate when the rotating shaft 15 rotates so as to suck outside air into the cover body 1. One end of the rotating shaft 15 is fixedly connected with a first belt pulley 17, a plurality of belts 18 are arranged on the first belt pulley 17, a second belt pulley 19 is further arranged in the belts 18, and the belts 18 enable the first belt pulley 17 and the second belt pulley 19 to rotate synchronously. The inner wall of the cover body 1 is fixedly connected with a servo motor 20, the output end of the servo motor 20 is fixedly connected with the second belt pulley 19, and the servo motor 20 is used for driving the second belt pulley 19 to rotate.

In this embodiment, the fixing block 6 is fixed to the loader by the fixing bolt 7, and the cover 1 is fixed to the loader at this time, and the engine is located in the cover 1. When the engine works, the servo motor 20 is started, and the second belt pulley 19 fixedly connected with the output end of the servo motor 20 starts to rotate. Because the first belt pulley 17 and the second belt pulley 19 are provided with the belt 18, the second belt pulley 19 drives the first belt pulley 17 to start rotating due to the transmission of the belt 18 when rotating, the rotating shaft 15 starts rotating, the plurality of groups of fan blades 16 arranged on the rotating shaft 15 start rotating by taking the sealing groove 5 as an axis to suck the outside air from the air inlet 9, the filter screen 11 can filter the air at the moment, the dust amount in the inlet air is reduced, the air is discharged from the air outlet 12, and meanwhile, part of noise and heat generated by the engine are taken out. The noise that the engine produced can effectually be absorbed to the sound foam 8 of inhaling in the engine during operation, and the noise that the gas outlet 12 department was spread can be reduced to the silencer that is installed on the outlet duct 13. When the engine fails, the handle 3 can be held by a hand to open the maintenance door 2, and at the moment, the maintenance opening on the side face of the cover body 1 is exposed, so that the engine can be maintained without taking down the fixing bolt 7.

The above-described embodiment is only one preferred embodiment of the present utility model, and many alternative modifications and combinations of the above-described embodiments can be made by those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. Loader hood with mechanism of making an uproar falls, including the cover body (1), its characterized in that: the bottom of the cover body (1) is the opening setting, the maintenance mouth has been seted up to one side of the cover body (1), one side of seting up the maintenance mouth on the cover body (1) articulates there is maintenance door (2), one side that the cover body (1) was kept away from to maintenance door (2) is connected with handle (3), the outside position of maintenance mouth is provided with sealing frame (4) of installing on the cover body (1), set up seal groove (5) that correspond with sealing frame (4) on maintenance door (2), multiunit fixed block (6) are installed to the bottom of the cover body (1), be provided with fixing bolt (7) on the fixed block (6), air inlet (9) have still been seted up to the side of the cover body (1), air inlet pipe (10) of installing on the cover body (1) are kept away from one side of air inlet (9) and are still seted up gas outlet (12), the outside of gas outlet (12) is provided with outlet duct (13) of installing on the cover body (1), install silencer (13) on the outlet duct.

2. The loader hood with the noise reduction mechanism according to claim 1, wherein a mounting frame (14) is mounted on the inner side of the air inlet (9), the mounting frame (14) is fixedly connected to the inner wall of the hood body (1), a rotating shaft (15) is mounted in the mounting frame (14), and a plurality of groups of fan blades (16) are connected to the rotating shaft (15).

3. The loader hood with the noise reduction mechanism according to claim 2, characterized in that one end of the rotating shaft (15) is fixedly connected with a first belt pulley (17), a plurality of belts (18) are installed on the first belt pulley (17), a second belt pulley (19) is also installed in the belts (18), a servo motor (20) is fixedly connected with the inner wall of the hood body (1), and the output end of the servo motor (20) is fixedly connected with the second belt pulley (19).

4. A loader hood with noise reduction mechanism according to claim 2, characterized in that the shaft (15) is rotatably connected in a mounting frame (14).

5. A loader hood with noise reduction mechanism according to claim 1, characterized in that the side of the maintenance door (2) close to the hood body (1) is provided with sound absorbing foam (8), and the inner wall of the hood body (1) is also provided with sound absorbing foam (8).

6. A loader hood with noise reduction mechanism according to claim 1, characterized in that a filter screen (11) is provided in the air inlet pipe (10).