CN218343409U

CN218343409U - Covering member and working machine

Info

Publication number: CN218343409U
Application number: CN202221790153.7U
Authority: CN
Inventors: 姚煜中; 方成; 吴姿宏
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-01-20
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to the technical field of operating machinery, and provides a covering part and operating machinery, which comprises an outer plate and an inner lining plate, wherein the inner lining plate is arranged at the inner side of the outer plate, a cavity is arranged between the inner lining plate and the outer plate, through holes are arranged on the inner lining plate, the through holes are a plurality of and are communicated with the cavity, and the through holes are arranged according to a certain rule; the bottom of interior bushing plate is provided with the washing hole and is used for the end cap of shutoff washing hole, and the end cap is connected with interior bushing plate detachably, and the washing hole communicates with the cavity. When the working machine works, noise generated by an engine and the like enters the cavity through the through hole, and sound of a specific frequency band is reflected back and forth in the cavity, so that the energy of the noise is consumed, and the effects of noise elimination and noise reduction are achieved.

Description

Covering member and working machine

Technical Field

The utility model relates to an operation machinery technical field especially relates to a covering and operation machinery.

Background

In order to improve the product competitiveness, engineering machinery products increasingly pay more attention to a solution to the problem of complete machine heat balance and the problem of external radiation noise. The covering part is a surface or an internal part which covers an engine and a chassis and is in a space shape made of metal sheets forming a cab and a vehicle body, the covering part can achieve the effects of decorating, improving the appearance image of the whole machine and preventing dust, water and heat so as to solve the problem of heat balance of the whole machine, but the existing covering part cannot achieve the effects of reducing noise and removing noise well, so that the problem of radiating noise outside the engineering machinery cannot be effectively solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a covering and operation machinery for solve among the prior art current covering can not play the effect of fine noise reduction and noise removal, thereby can't solve the defect of engineering machine tool to the external radiation noise problem effectively.

The utility model provides a covering piece, include:

an outer plate;

the inner lining plate is arranged on the inner side of the outer plate, a cavity is arranged between the inner lining plate and the outer plate, a plurality of through holes are formed in the inner lining plate, and the through holes are communicated with the cavity;

the bottom of the inner lining plate is provided with a cleaning hole and a plug for plugging the cleaning hole, the plug is detachably connected with the inner lining plate, and the cleaning hole is communicated with the cavity.

According to the utility model provides a pair of covering, the edge of interior welt with planking sealing connection.

According to the utility model provides a pair of covering still includes the connecting plate, the connecting plate is used for connecting the planking with interior welt, the connecting plate with form between the interior welt the cavity.

According to the utility model provides a pair of covering, interior welt is provided with one, interior welt covers the medial surface of planking.

According to the utility model provides a pair of covering, interior welt is provided with a plurality ofly, and is a plurality of interior welt sets up side by side the planking is inboard.

According to the utility model provides a pair of covering, the cross sectional shape of interior welt is the spill.

According to the utility model provides a pair of covering piece, the thickness of inside lining plate is 2-5mm, the through-hole is the round hole, just the aperture of through-hole is 2-20mm, the degree of depth of cavity is 5-50mm.

According to the utility model provides a pair of covering, the connecting plate with interior welt formula structure as an organic whole.

According to the utility model provides a pair of covering, interior welt with planking fixed connection.

The utility model also provides an operation machine, include as above-mentioned arbitrary one the covering.

The utility model provides a covering and operation machinery is through setting up interior welt in the outer inboard to set up cavity and through-hole on interior welt, utilize acoustics cavity resonance noise elimination principle to eliminate noise and fall the noise. When the working machine works, noise generated by an engine and the like enters the cavity through the through hole, and sound in a specific frequency band is reflected back and forth in the cavity, so that the energy of the noise is consumed, and the noise elimination and reduction effects are achieved. In addition, the inner lining plate can play a bearing role, the deformation of the outer plate can be prevented, the strength of the covering element can be improved, and the service life of the covering element can be prolonged.

Moreover, the bottom of the inner lining plate is provided with a cleaning hole and a plug, when the covering part needs to be cleaned, the plug can be detached from the inner lining plate, the cleaning hole is opened, and sewage in the cavity can flow out through the cleaning hole, so that dust in the cavity can be discharged, the cavity is cleaned, and the noise elimination and reduction effects of the covering part are improved; when the operation machinery works, the cleaning hole is blocked by the plug, so that the cavity meets the requirement of resonance noise elimination of the acoustic cavity, and the noise and the like entering the cavity cannot be discharged through the cleaning hole and cannot play the roles of noise elimination and noise reduction.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a cover in a first alternative embodiment provided by the present invention;

fig. 2 is a cross-sectional view of a cover in a second alternative embodiment provided by the present invention;

fig. 3 is a front view of the covering member provided by the present invention (an inner lining plate is provided, and the inner lining plate is a one-piece plate structure);

fig. 4 is a front view of a cover provided by the present invention (provided with a plurality of inner lining plates);

fig. 5 is a partial side view of a cover provided by the present invention.

Reference numerals are as follows:

1. an outer plate; 2. an inner lining plate; 3. a cavity; 4. a through hole;

5. a connecting plate; 6. mounting holes; 7. and (6) cleaning the holes.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes the covering member and the working machine according to the present invention with reference to fig. 1 to 5.

As shown in fig. 1 and 2, the present invention provides a covering member, which includes an outer panel 1 and an inner lining panel 2.

The inner lining 2 may be disposed on the inner side of the outer panel 1, that is, the inner lining 2 may be disposed on the side of the outer panel 1 facing the cabin (such as the cabin interior or the engine compartment).

Wherein, a cavity 3 is arranged between the inner lining plate 2 and the outer plate 1, a plurality of through holes 4 are arranged on the inner lining plate 2, and the through holes 4 are communicated with the cavity 3. Therefore, noise generated by an engine and the like can enter the cavity 3 through the through hole 4, and sound in a specific frequency band is reflected back and forth in the cavity 3, so that the energy consumption and noise elimination effects are achieved.

In this way, the inner lining plate 2 is arranged on the inner side of the outer plate 1, and the cavity 3 and the through hole 4 are arranged on the inner lining plate 2, so that the noise is eliminated and reduced by utilizing the acoustic cavity resonance noise elimination principle. When the working machine works, noise generated by an engine and the like enters the cavity 3 through the through hole 4, and sound of a specific frequency band is reflected back and forth in the cavity 3, so that the energy of the noise is consumed, and the noise is eliminated. Moreover, the inner lining plate 2 can play a bearing role, so that the deformation of the outer plate 1 can be prevented, the strength of the covering element can be improved, and the service life of the covering element can be prolonged.

The utility model discloses an in the optional embodiment, the bottom of interior welt 2 can be provided with purge hole 7 and end cap, and the end cap is used for shutoff purge hole 7. And the plug is detachably connected with the inner lining plate 2, and the cleaning hole 7 is communicated with the cavity 3. Therefore, when the covering part needs to be cleaned, the plug can be detached from the inner lining plate 2, the cleaning hole 7 is opened, and sewage in the cavity 3 can flow out through the cleaning hole 7, so that dust in the cavity 3 can be discharged, the cavity is cleaned, and the noise elimination and reduction effects of the covering part are improved; when the operating machine works, the cleaning hole 7 is blocked by the plug, so that the cavity 3 meets the requirement of resonance noise elimination of the acoustic cavity, and the noise and the like entering the cavity 3 cannot be discharged through the cleaning hole 7 and cannot play a role in noise elimination and noise reduction.

In an alternative embodiment, the inner lining 2 may include a main panel and a side panel surrounding the main panel, the main panel and the side panel are of an integral structure, and the side panel is connected to the outer panel 1 to connect the inner lining 2 and the outer panel 1. The main panel is provided with a plurality of through holes 4.

Here, the washing holes 7 may be provided on the side plate of the bottom of the lining panel 2 when a part of the side plate of the inner lining panel 2 is positioned at the bottom, or, as shown in fig. 5, the washing holes 7 may be provided on the bottom of the side plate, so that the sewage is easily discharged through the washing holes 7. Alternatively, the cleaning aperture 7 may be provided in the main panel when the main panel is at the bottom of the cover.

In a first alternative embodiment of the present invention, the edge of the inner lining 2 is connected to the outer lining 1 in a sealing manner. Thus, a sealed cavity 3 is formed between the inner lining plate 2 and the outer plate 1, and after sound enters the cavity 3, the sound cannot go out from a gap between the inner lining plate 2 and the outer plate 1, so that the cavity 3 meets the requirement of resonance noise elimination of the acoustic cavity.

In an alternative embodiment, the edge of the inner lining plate 2 may be provided with a fixing plate, the fixing plate may be attached to the outer plate 1, and the fixing plate and the inner lining plate 2 may be of an integral structure. This increases the contact area between the inner lining 2 and the outer panel 1, and improves the stability of the connection between the inner lining 2 and the outer panel 1.

In a second alternative embodiment of the present invention, the covering element may further comprise a connecting plate 5, the connecting plate 5 may be used to connect the outer plate 1 and the inner lining 2, and a cavity 3 is formed between the connecting plate 5 and the inner lining 2. Therefore, the effects of noise elimination and noise reduction can be achieved, the connection stability of the inner lining plate 2 and the outer plate 1 can be improved, and the strength of the covering element is improved.

Here, the connecting plate 5 may be attached to the outer panel 1 to further improve the stability of the connection between the inner panel 2 and the outer panel 1.

In an alternative embodiment, the connecting plate 5 and the inner lining plate 2 may be of a one-piece construction. Therefore, the sealing performance of the cavity 3 can be ensured, and the cavity 3 meets the requirement of resonance noise elimination of the acoustic cavity; the connection stability of the connecting plate 5 and the lining plate 2 can be improved, and the service life of the covering element is prolonged.

In one embodiment of the present invention, there is one inner lining 2, and the inner lining 2 covers the inner side of the outer plate 1, i.e. the inner lining 2 is a one-piece plate structure covering the outer plate 1. Therefore, the silencing and noise reducing effects of the covering piece can be improved, the structure of the covering piece can be simplified, and the processing cost can be reduced.

The inner side of the outer panel 1 may be a side of the outer panel 1 located in the cabin, for example, the inner side of the outer panel 1 may be an inner side of a cab wall.

In another embodiment of the present invention, the inner lining 2 may be provided in plurality, and a plurality of inner linings 2 may be provided side by side on the outer plate 1, and a cavity 3 is provided between each inner lining 2 and the outer plate 1. In this way, the plurality of inner liner plates 2 can serve as reinforcing plates to improve the strength of the covering member and also can achieve the effects of noise elimination and noise reduction.

Here, a plurality of inner liner plates 2 may be provided at intervals to reduce the number of the inner liner plates 2 used, thereby contributing to cost reduction.

In an alternative embodiment, the plurality of inner lining plates 2 may be sequentially connected by a plurality of fixing plates, so that the plurality of inner lining plates 2 form a whole, thereby facilitating the whole assembly and disassembly. Here, the fixing plate is bonded to the outer panel 1.

In an alternative embodiment, the cross-sectional shape of the inner lining plate 2 may be concave. This facilitates formation of the cavity 3 between the inner liner 2 and the outer panel 1, and also serves to reinforce the strength of the outer panel 1.

In an alternative embodiment, the inner lining 2 is fixedly connected to the outer plate 1.

In one form, the inner lining 2 is removably attached to the outer panel 1. Specifically, the inner lining 2 and the outer panel 1 may be connected by fasteners such as bolts. Thus, when a part of the outer panel 1 or the inner lining panel 2 is damaged, the outer panel 1 or the inner lining panel 2 can be replaced independently without replacing the whole panel, which is beneficial to reducing the cost.

In another mode, the inner lining 2 is connected to the outer panel 1 without being detached. Specifically, the inner liner 2 and the outer panel 1 may be welded. Thus, the connection stability of the inner lining 2 and the outer lining 1 can be improved, and the service life of the covering member can be prolonged.

In alternative embodiments, the material of the inner lining 2 and the outer lining 1 may be the same or similar.

Specifically, the inner lining plate 2 and the outer plate 1 may be made of metal, and the inner lining plate 2 and the outer plate 1 may be made of steel plate, galvanized plate or stainless steel plate; alternatively, one of the inner liner 2 and the outer liner 1 may be made of a steel sheet, and the other may be made of a galvanized sheet.

In alternative embodiments, the thickness of the inner lining plate 2 may be 2-5mm, and the through holes 4 on the inner lining plate 2 may be circular holes, and the diameter of the through holes 4 may be 2-20mm. The depth of the cavity 3 may be 5-50mm. Therefore, the noise of different frequency bands can be eliminated, and the noise elimination and reduction effects of the covering part are improved.

In other embodiments, the through hole 4 may also be a square hole, or the through hole 4 may be in an irregular shape, where the shape of the through hole 4 is not limited, and may be specifically set according to actual needs.

In an alternative embodiment, the outer panel 1 may be provided with a mounting hole 6, and the mounting hole 6 may be used for mounting a door switch.

The following describes the working machine provided by the present invention, and the working machine described below and the cover described above can be referred to each other.

The utility model provides a pair of operation machinery, include as above-mentioned arbitrary one embodiment the covering.

The utility model provides a beneficial effect that operation machinery reached with the utility model provides a technical effect that the covering reached is unanimous, through setting up welt 2 in 1 inboard of planking to set up cavity 3 and through-hole 4 on welt 2, utilize acoustics cavity resonance noise elimination principle to eliminate the noise and fall the noise. When the working machine works, noise generated by an engine and the like enters the cavity 3 through the through hole 4, and sound of a specific frequency band is reflected back and forth in the cavity 3, so that the energy of the noise is consumed, and the effects of noise elimination and noise reduction are achieved. The inner lining 2 can exert a bearing force, and the outer panel 1 can be prevented from being deformed, so that the strength of the covering member can be improved, and the service life of the covering member can be prolonged.

The working machine may be an excavator, a piling machine, a loader, a shield machine, a pump truck, or other construction machines, and the working machine is not specifically limited and is applicable to only a construction machine including a cover.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A cover, comprising:

an outer plate;

the inner lining plate is arranged on the inner side of the outer plate, a cavity is formed between the inner lining plate and the outer plate, a plurality of through holes are formed in the inner lining plate, and the through holes are communicated with the cavity;

2. The covering of claim 1 wherein an edge of the inner liner is sealingly connected to the outer panel.

3. The cladding element as claimed in claim 1 further comprising a connecting plate for connecting the outer and inner lining plates, the connecting plate and the inner lining plate forming the cavity therebetween.

4. The covering of claim 1, wherein one of said inner lining plates is provided, said inner lining plate covering the inner side of said outer plate.

5. The cladding element as claimed in claim 1 wherein said inner lining is provided in plurality, a plurality of said inner lining being provided side by side inside said outer panel.

6. The cladding element as claimed in any one of claims 1 to 5 wherein the cross-sectional shape of the inner liner is concave.

7. The covering of any one of claims 1 to 5, wherein the thickness of the inner lining plate is 2 to 5mm, the through holes are round holes, the diameter of the through holes is 2 to 20mm, and the depth of the cavity is 5 to 50mm.

8. The cladding element of claim 3, wherein the connection plate is a unitary structure with the inner liner plate.

9. The cladding element according to claim 1, wherein the inner lining is fixedly connected to the outer plate.

10. A working machine, characterized in that it comprises a covering element according to any one of claims 1-9.