Noise reduction shell of power takeoff

Abstract

The utility model discloses a noise reduction shell of a power takeoff, which belongs to the technical field of power takeoff shells, and comprises a base and a main body, a first sound insulation strip is arranged between a first shell and a second shell, the interiors of a first cavity and a second cavity are filled with sound absorption cotton, the right end face of the first shell is fixedly connected with a first sound insulation cover, and the right end face of the second shell is fixedly connected with a second sound insulation cover. The left end face of the second shell is fixedly connected with a second sound insulation cover, noise generated in the first shell and the second shell is absorbed through sound absorption cotton, noise pollution at the joint of the first shell and the second shell is reduced through a first sound insulation strip, and noise pollution at the joint of a clamping groove and a clamping plate is reduced through a second sound insulation strip. Noise generated at the joint of the main body and the first shell and the joint of the main body and the second shell is isolated through the first sound insulation cover and the second sound insulation cover, noise pollution of the power takeoff is effectively reduced, adverse effects on workers are reduced, and the power takeoff has the advantages of being capable of effectively reducing noise pollution, simple in structure and convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power takeoff shell technical field, in particular to a power takeoff's noise reduction shell. BACKGROUND

[0002] Power takeoff is a group or multiple groups of gear, also called power output device, generally is combined by gear box, clutch, controller, and is connected with the low gear of gearbox or auxiliary gearbox output shaft, and the power is output to the external working device, such as lifting pump.

[0003] But the power takeoff in the market at present in the actual use, because of lacking noise reduction device, the sound of the internal parts of power takeoff is formed noise pollution in the use process, thereby the staff is brought the adverse effect. UTILITY MODEL CONTENT

[0004] In order to solve the problems in the above background, the utility model provides a power takeoff's noise reduction shell, which has the characteristics of effectively reducing noise pollution, simple structure and easy installation.

[0005] The utility model is realized in this way, a power takeoff's noise reduction shell, including base and main part, the front end surface of base is fixedly connected with first shell, the lower portion of first shell is provided with second shell, first sound insulation strip is arranged between first shell and second shell, the inside of first shell is opened with first cavity, the inside of second shell is opened with second cavity, the inside of first cavity and second cavity is filled with sound absorption cotton, the right end surface of first shell is fixedly connected with first sound insulation cover, the left end surface of second shell is fixedly connected with second sound insulation cover, the inside of first shell and second shell is provided with main part, and the both ends of main part are arranged in the inside of first sound insulation cover and second sound insulation cover.

[0006] In order to facilitate the installation of the shell, as a power takeoff's noise reduction shell of the utility model is preferably, the front end surface of base is fixedly connected with the clamping plate below first shell, the inside of second shell is opened with the clamping groove matched with clamping plate, the clamping plate and clamping groove are fixedly connected through bolt, second sound insulation strip is arranged between clamping plate and clamping groove.

[0007] In order to reduce the friction between the shell and other devices, as a power takeoff's noise reduction shell of the utility model is preferably, the rear end surface of base is opened with first connecting port communicated with first shell, the rear end surface of first connecting port is fixedly connected with first rubber strip, the upper end surface of first shell is communicated with second connecting port, the upper end surface of second connecting port is fixedly connected with second rubber strip.

[0008] In order to facilitate the positioning of the second shell, as a noise reduction shell of the power take-off device of the utility model preferably, the lower end face of the first shell is fixedly connected with a plurality of clamping columns, and the upper end face of the second shell is provided with a plurality of clamping grooves matched with the clamping columns.

[0009] In order to reduce the noise at the interface, as a noise reduction shell of the power take-off device of the utility model preferably, the interface between the main body and the first shell and the second shell is provided with a sealing ring.

[0010] In order to make the sound insulation effect of the first sound insulation cover and the second sound insulation cover better, as a noise reduction shell of the power take-off device of the utility model preferably, the first sound insulation cover and the second sound insulation cover are respectively sealingly connected with the first shell and the second shell.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses, through first connecting mouth and second connecting mouth make power take-off device with other equipment connection, through first rubber strip and second rubber strip provide damping effect to power take-off device, reduce the noise pollution that power take-off device produces because of vibration, through sound absorption cotton absorbs the noise that produces in the inside of first shell and second shell, make the sound insulation effect of first shell and second shell better, through first sound insulation strip reduce the noise pollution of first shell and second shell interface, through second sound insulation strip reduce the noise pollution of clamping groove and clamping plate interface, through first sound insulation cover and second sound insulation cover insulate the noise that produces in the interface between main body and first shell and second shell, effectively reduce the noise pollution of power take-off device, reduce the adverse effect that causes to worker.

[0013] In addition, the utility model discloses, through clamping column clamping in the inside of clamping groove, make second shell easier positioning, set up first sound insulation strip between first shell and second shell, make clamping groove clamping in the outer wall of clamping plate, set up second sound insulation strip between clamping groove and clamping plate, set up sealing ring in the interface between main body and first shell and second shell, then through bolt with clamping groove and clamping plate fixed, make second shell with first shell fixed connection, complete power take-off device and second shell's installation, make second shell installation more convenient. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the overall exploded view of the noise reduction shell of the power take-off device of the utility model;

[0015] Figure 2 It is the overall structure diagram of the noise reduction shell of the power take-off device of the utility model;

[0016] Figure 3 It is the longitudinal section view of the utility model;

[0017] Figure 4The utility model discloses a transverse section structure drawing.

[0018] In the drawing, 1, base; 2, first shell; 3, second shell; 4, main body; 5, clamping plate; 6, clamping groove; 7, first cavity; 8, second cavity; 9, sound absorbing cotton; 10, first connecting port; 11, second connecting port; 12, first rubber strip; 13, second rubber strip; 14, first sound insulation cover; 15, second sound insulation cover; 16, first sound insulation strip; 17, second sound insulation strip; 18, clamping column; 19, clamping groove; 20, sealing ring. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical scheme and advantages more clearly, following combining with the drawing and example, this utility model carries out further detailed description.Should understand, the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0020] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as limiting the utility model.In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly and specifically limited.

[0021] Please refer to Figures 1-4 A kind of noise reduction shell of power takeoff, including base 1 and main body 4, the front end surface of base 1 is fixedly connected with first shell 2, the lower portion of first shell 2 is provided with second shell 3, first sound insulation strip 16 is arranged between first shell 2 and second shell 3, first cavity 7 is opened in the inside of first shell 2, second cavity 8 is opened in the inside of second shell 3, sound absorbing cotton 9 is filled in the inside of first cavity 7 and second cavity 8, first sound insulation cover 14 is fixedly connected with the right end surface of first shell 2, second sound insulation cover 15 is fixedly connected with the left end surface of second shell 3, main body 4 is arranged in the inside of first shell 2 and second shell 3, and the both ends of main body 4 are arranged in the inside of first sound insulation cover 14 and second sound insulation cover 15 respectively.

[0022] In the embodiment, the noise generated in the first shell 2 and the second shell 3 is absorbed by filling the sound-absorbing cotton 9 in the first cavity 7 and the second cavity 8, the sound insulation effect of the first shell 2 and the second shell 3 is better, the noise pollution at the joint of the first shell 2 and the second shell 3 is reduced by arranging the first sound insulation strip 16 between the first shell 2 and the second shell 3, the noise generated at the joint of the main body 4 and the first shell 2 and the second shell 3 is isolated by arranging the first sound insulation cover 14 and the second sound insulation cover 15, the noise pollution of the power take-off device is effectively reduced, and the adverse effect on workers is reduced.

[0023] As a technical optimization scheme of the utility model, the front end face of the base 1 is fixedly connected with a clamping plate 5 located below the first shell 2, the second shell 3 is provided with a clamping groove 6 matched with the clamping plate 5 in the inside, the clamping plate 5 and the clamping groove 6 are fixedly connected through bolts, and the second sound insulation strip 17 is arranged between the clamping plate 5 and the clamping groove 6.

[0024] In the embodiment, the clamping groove 6 is clamped on the outer wall of the clamping plate 5, the clamping groove 6 and the clamping plate 5 are fixed through bolts, the second shell 3 is fixedly connected with the first shell 2, the second shell 3 is more convenient to install, and the noise pollution at the joint is reduced through the second sound insulation strip 17.

[0025] As a technical optimization scheme of the utility model, the rear end face of the base 1 is provided with a first connecting port 10 communicated with the first shell 2, the rear end face of the first connecting port 10 is fixedly connected with a first rubber strip 12, the upper end face of the first shell 2 is communicated with a second connecting port 11, and the upper end face of the second connecting port 11 is fixedly connected with a second rubber strip 13.

[0026] In the embodiment, the power take-off device is connected with other equipment through the first connecting port 10 and the second connecting port 11, the first rubber strip 12 and the second rubber strip 13 provide damping effect for the power take-off device, and the noise pollution generated by vibration of the power take-off device is reduced.

[0027] As a technical optimization scheme of the utility model, the lower end face of the first shell 2 is fixedly connected with a plurality of clamping columns 18, and the upper end face of the second shell 3 is provided with a plurality of clamping grooves 19 matched with the clamping columns 18.

[0028] In the embodiment, the clamping column 18 is clamped in the inside of the clamping groove 19, the second shell 3 is more easily positioned, and the installation of the second shell 3 is facilitated.

[0029] As a technical optimization scheme of the utility model, the joint of the main body 4, the first shell 2 and the second shell 3 is provided with a sealing ring 20.

[0030] In the embodiment, the sealing ring 20 reduces the noise pollution generated at the joint of the main body 4, the first shell 2 and the second shell 3.

[0031] As a technical optimization scheme of the utility model, the first sound insulation cover 14 and the second sound insulation cover 15 are respectively sealedly connected with the first shell 2 and the second shell 3.

[0032] In the embodiment: through the sealed connection of the first sound insulation cover 14 and the second sound insulation cover 15 with the first shell 2 and the second shell 3, the sound insulation effect of the first sound insulation cover 14 and the second sound insulation cover 15 is better, and the noise pollution is greatly reduced.

[0033] The working principle and use process of the utility model: first, the main body 4 is placed below the first shell 2, one end of the main body 4 enters the first sound insulation cover 14, then the clamping column 18 is clamped in the inside of the clamping groove 19, the second shell 3 is more easily positioned, the first sound insulation strip 16 is arranged between the first shell 2 and the second shell 3, the clamping groove 6 is clamped on the outer wall of the clamping plate 5, the second sound insulation strip 17 is arranged between the clamping groove 6 and the clamping plate 5, the sealing ring 20 is arranged at the interface of the main body 4 and the first shell 2 and the second shell 3, then the clamping groove 6 and the clamping plate 5 are fixed through the bolt, the second shell 3 is fixedly connected with the first shell 2, the installation of the power take-off device and the second shell 3 is completed, the second shell 3 is more convenient to install;

[0034] Then the power take-off device is connected with other equipment through the first connecting port 10 and the second connecting port 11, the power take-off device is provided with the damping effect through the first rubber strip 12 and the second rubber strip 13, the noise pollution generated by the power take-off device due to vibration is reduced, the noise generated in the inside of the first shell 2 and the second shell 3 is absorbed through the sound absorbing cotton 9, the sound insulation effect of the first shell 2 and the second shell 3 is better, the noise pollution at the interface of the first shell 2 and the second shell 3 is reduced through the first sound insulation strip 16, the noise pollution at the interface of the clamping groove 6 and the clamping plate 5 is reduced through the second sound insulation strip 17, the noise generated at the interface of the main body 4 and the first shell 2 and the second shell 3 is insulated through the first sound insulation cover 14 and the second sound insulation cover 15, the noise pollution of the power take-off device is effectively reduced, and the adverse effect on the workers is reduced.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A noise reducing housing for a power take-off, comprising a base (1) and a main body (4), characterized in that: The front end surface of the base (1) is fixedly connected with a first shell (2), a second shell (3) is arranged below the first shell (2), a first sound insulation strip (16) is arranged between the first shell (2) and the second shell (3), a first cavity (7) is formed in the first shell (2), a second cavity (8) is formed in the second shell (3), the first cavity (7) and the second cavity (8) are both filled with sound-absorbing cotton (9), a first sound insulation cover (14) is fixedly connected to the right end surface of the first shell (2), a second sound insulation cover (15) is fixedly connected to the left end surface of the second shell (3), and the main body (4) is arranged in the first shell (2) and the second shell (3), and the two ends of the main body (4) are arranged in the first sound insulation cover (14) and the second sound insulation cover (15) respectively.

2. The noise reducing housing for a power takeoff as set forth in claim 1, wherein: The front end surface of the base (1) is fixedly connected with a first shell (2), a second shell (3) is arranged below the first shell (2), a first sound insulation strip (16) is arranged between the first shell (2) and the second shell (3), a first cavity (7) is formed in the first shell (2), a second cavity (8) is formed in the second shell (3), the first cavity (7) and the second cavity (8) are both filled with sound-absorbing cotton (9), a first sound insulation cover (14) is fixedly connected to the right end surface of the first shell (2), a second sound insulation cover (15) is fixedly connected to the left end surface of the second shell (3), and the main body (4) is arranged in the first shell (2) and the second shell (3), and the two ends of the main body (4) are arranged in the first sound insulation cover (14) and the second sound insulation cover (15) respectively.

3. The noise reducing housing for a power takeoff as set forth in claim 1, wherein: The rear end surface of the base (1) is provided with a first connecting port (10) communicated with the first shell (2), the rear end surface of the first connecting port (10) is fixedly connected with a first rubber strip (12), the upper end surface of the first shell (2) is communicated with a second connecting port (11), and the upper end surface of the second connecting port (11) is fixedly connected with a second rubber strip (13).

4. The noise reducing housing of a power take-off according to claim 1, characterized in that: The lower end surface of the first shell (2) is fixedly connected with a plurality of clamping columns (18), and the upper end surface of the second shell (3) is provided with a plurality of clamping grooves (19) matched with the clamping columns (18).

5. The noise reducing housing of a power take-off according to claim 1, characterized in that: The interface between the main body (4) and the first shell (2) and the second shell (3) is provided with a sealing ring (20).

6. The noise reducing housing of a power take-off according to claim 1, characterized in that: The first sound insulation cover (14) and the second sound insulation cover (15) are sealingly connected with the first shell (2) and the second shell (3) respectively.

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