CN212129303U

CN212129303U - Sealing assembly and excavator

Info

Publication number: CN212129303U
Application number: CN202020771535.XU
Authority: CN
Inventors: 钱亮
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery (Chongqing) Co.,Ltd.
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-11
Anticipated expiration: 2030-05-11

Abstract

The application relates to engineering vehicle technical field, especially relates to a seal assembly and excavator, seal assembly includes: the first sealing element is arranged in a groove at a welding seam of the cab of the excavator; and the second sealing element covers the first sealing element. The application provides a seal assembly has stronger sealed effect, makes the surperficial complete of welding seam, guarantees sealed effect, avoids welding seam department to have the hole, and the time has been of a specified duration the hole can be bigger and bigger, leads to the welding seam impaired, influences welded fastness, and simultaneously, the second sealing member has great coverage, further strengthens sealed effect.

Description

Sealing assembly and excavator

Technical Field

The application relates to the technical field of engineering vehicles, in particular to a sealing assembly and an excavator.

Background

In the development of the four cabs in the excavator country, higher requirements are made on the sealing performance of the cabs. In the test of the sealing performance, the pedal position below the cab door at the initial stage covers the welding seam groove by using the bent thin plate, so that the effect of preventing dust from entering the groove and air from entering the groove is achieved. The method is only used for sealing and isolating by mechanical covering, the groove below the thin plate still exists, and as the working time of the equipment is prolonged, an operator frequently tramples the thin plate, repeated fatigue wear can cause deformation of the thin plate, and finally the sealing at the position is deteriorated or even loses the sealing effect.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a sealing assembly and an excavator, and the technical problem that sealing failure easily occurs at a welding seam of an excavator cab in the prior art, particularly at a pedal below a vehicle door is solved to a certain extent.

The application provides a seal assembly for the cab of an excavator, the seal assembly comprising: the first sealing element is arranged in a groove at a welding seam of a cab of the excavator; and a second sealing member covering the first sealing member.

In the above technical solution, a third sealing member is further disposed between the first sealing member and the second sealing member.

In any of the above technical solutions, further, the first sealing member is a caulking material.

In any of the above technical solutions, further, the second sealing member is a metal plate.

In any of the above technical solutions, further, the sealing assembly further includes a connecting member, and the connecting member is used for fixing the second sealing member.

The application also provides an excavator, which comprises the sealing assembly in any technical scheme, so that all beneficial technical effects of the sealing assembly are achieved, and the description is omitted.

In the above technical solution, further, the seal assembly is disposed on a pedal of a cab of the excavator, and the seal assembly is disposed below a door of the excavator.

In any of the above technical solutions, further, a weld groove is formed on a pedal of the cab, and the first sealing element of the sealing assembly is disposed in the weld groove.

In any of the above technical solutions, further, the vehicle door is disposed at a door frame, and the second sealing element of the sealing assembly includes a first connecting portion and a second connecting portion, the first connecting portion is connected with the door frame, and the second connecting portion is connected with a pedal of the cab.

In any one of the above technical solutions, further, the first connecting portion is formed with a first step portion, and at least a portion of the door frame is formed with a second step portion adapted to the first step portion.

Compared with the prior art, the beneficial effect of this application is:

the present application provides a seal assembly comprising: the first sealing element is arranged at a groove of a welding line of a cab of the excavator, the surface of the welding line is smooth, the second sealing element covers the first sealing element, and the coverage range of the second sealing element is larger than the area of the first sealing element, so that the sealing effect is ensured.

Specifically, when the sealing assembly is used, firstly, an operator polishes a groove at a welding seam of an excavator cab to enable the surface of the welding seam to be smooth, after polishing is finished, the welding seam can form a hole, the first sealing element is mud-shaped and has waterproof performance and can fill the hole of the welding seam to enable the surface of the welding seam to be complete, sealing effect is guaranteed, the hole at the welding seam is avoided, the hole is enlarged after long time, the welding seam is damaged, welding firmness is affected, after the first sealing element is firmly arranged, the second sealing element covers the first sealing element and is fixed with the wall surface outside the welding seam of the excavator cab, the second sealing element can completely cover the first sealing element and the position of the welding seam, and it needs to be explained that the cross section of the second sealing element is L-shaped, namely, the second sealing element comprises a first wall plate and a second wall plate which are arranged at an angle, preferably, the contained angle between first wallboard and the second wallboard is 90 degrees, and the contained angle department of first wallboard and second wallboard carries out thickening processing, in the use, can polish the contained angle of first wallboard and second wallboard promptly the apex angle department of second sealing member moderately, make the first sealing member of perfect laminating of second sealing member, ensure sealed effect, first wallboard extends and is fixed with the wall laminating of excavator driver's cabin along the direction of keeping away from the apex angle of second sealing member, the second wallboard extends and is connected with the bottom surface laminating of the driver's cabin of excavator along the direction of keeping away from the apex angle of second sealing member, guarantee the coverage of second sealing member in the at utmost, strengthen sealed effect.

The application provides an excavator, including the aforesaid seal assembly, therefore, seal, consolidate the welding seam of excavator driver's cabin through this seal assembly, ensure the firm degree of the connection of driver's cabin, it is sealed effectual, avoid in the excavator driver's cabin to leak out, intake, durable, and the cost is lower.

Drawings

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

FIG. 1 is a schematic structural diagram of an excavator cab provided in an embodiment of the present application;

fig. 2 is a schematic view of an arrangement position of a sealing assembly according to an embodiment of the present application.

Reference numerals:

1-cab, 2-door and 3-welding groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

A seal assembly and excavator according to some embodiments of the present application are described below with reference to fig. 1 and 2.

Referring to fig. 1 and 2, an embodiment of the present application provides a seal assembly including:

the first sealing element is arranged in a groove at a welding seam of the cab 1 of the excavator;

and the second sealing element covers the first sealing element.

The present application provides a seal assembly comprising: the sealing structure comprises a first sealing element and a second sealing element, wherein the first sealing element is arranged at a groove of a welding line of a cab 1 of the excavator to enable the surface of the welding line to be flat, the second sealing element covers the first sealing element, and the covering range of the second sealing element is larger than the area of the first sealing element, so that the sealing effect is ensured.

Specifically, when the sealing assembly is used, firstly, an operator polishes a groove at a welding seam of the cab 1 of the excavator to smooth the surface of the welding seam, after polishing is finished, the welding seam may form a pore, the first sealing element is mud-shaped and has waterproof performance, the pore of the welding seam can be filled, the surface of the welding seam is complete, the sealing effect is ensured, the pore at the welding seam is avoided, the pore is enlarged after a long time, the welding seam is damaged, and the welding firmness is affected, after the first sealing element is firmly arranged (namely positioned), the second sealing element covers the first sealing element and is fixed with the wall surface of the cab 1 of the excavator except the welding seam, so that the second sealing element can completely cover the first sealing element and the position of the welding seam, it needs to be explained that the cross section of the second sealing element is L-shaped, that is, the second sealing member is including the first wallboard and the second wallboard that the angle set up, preferably, contained angle between first wallboard and the second wallboard is 90 degrees, and the contained angle department of first wallboard and second wallboard carries out thickening processing, in the use, can polish to the contained angle of first wallboard and second wallboard promptly the apex angle department of second sealing member moderately, make the first sealing member of perfect laminating of second sealing member, ensure sealed effect, first wallboard extends and is fixed with the wall laminating of the driver's cabin 1 of excavator along the direction of keeping away from the apex angle of second sealing member, the second wallboard extends and is connected with the bottom surface laminating of the driver's cabin 1 of excavator along the direction of keeping away from the apex angle of second sealing member, guarantee the coverage of second sealing member in the at utmost, strengthen sealed effect.

In addition, it should be noted that, cab 1 of excavator usually is independent storehouse body welding to predetermined platform department, and after cab 1 and predetermined platform welding, cab 1 is inside and outside all can form the welding seam, can select to use this seal assembly to seal respectively inside and outside cab 1 of excavator, further strengthens sealed effect.

In this embodiment, preferably, a third sealing member is further disposed between the first sealing member and the second sealing member.

In this embodiment, the third sealing member is sealed glue, and preferably, the third sealing member is sealed glue of metal, and on the one hand, the third sealing member can be connected first sealing member and second sealing member, ensures both laminating effects, and simultaneously, sealed glue can further strengthen sealed effect, and has fabulous waterproof performance, avoids the welding seam department to intake and be difficult to discharge, leads to the easy corrosion of welding seam.

In this embodiment, the first sealing member is preferably a caulking material.

In this embodiment, the first sealing member is preferably made of atomic ash, although the preferred embodiment is merely illustrated herein, and the choice of the first sealing member is not limited thereto. The groove at the welding seam of the cab 1 of the excavator is filled and scraped in a mode of scraping and polishing for multiple times, so that the welding seam is ensured to be smooth in surface and free of sand holes.

In this embodiment, preferably, the second seal is a metal plate.

In this embodiment, the second seal is preferably an aluminum alloy strip, which is easy to machine and form, and is not susceptible to rusting and corrosion, although not limited thereto.

In this embodiment, the seal assembly preferably further comprises a connector for securing the second seal.

In this embodiment, the connecting member may be a fastening screw for fixing the second sealing member by using the connecting member after the first wall plate and the second wall plate of the second sealing member are attached to the side wall of the cab 1 of the excavator and the ground, and filling a gap between the fastening screw and the second sealing member with a sealant to ensure a sealing effect.

Example two

As shown in fig. 1 and fig. 2, a second embodiment of the present application further provides an excavator, which includes the sealing assembly described in the first embodiment, so that all the beneficial technical effects of the sealing assembly are achieved, and no further description is provided herein.

In the present embodiment, it is preferable that the seal assembly is provided to a step of the cab 1, and the seal assembly is provided below the door 2 of the excavator.

In this embodiment, after the excavator is put into use for a period of time, as the operator repeatedly steps on the pedal below the door 2 of the excavator for getting on and off the excavator for several times, the pedal is easily deformed, and the welded seam of the cab 1 at the position corresponding to the pedal is exposed in an accelerated manner, so that the lower part of the door 2 is easily welded and rusted, and the sealing assembly of the above embodiment is applied to the lower part of the door 2 of the excavator in this embodiment, so that the sealing effect can be obviously enhanced.

In the present embodiment, it is preferable that the pedal of the cab 1 is formed with a bead groove 3, and the first seal is provided in the bead groove 3.

In this embodiment, specifically, the weld groove 3 is located between the pedal of the cab 1 and the bottom side door frame, and the weld groove 3 is formed by applying the first sealing member to the pedal of the cab 1 in a manner of scraping and polishing for multiple times, so that the surface of the weld groove 3 is flat.

In this embodiment, it is preferable that the door 2 is provided in the door frame, the second sealing member includes a first connecting portion and a second connecting portion, the first connecting portion is connected to the door frame, and the second connecting portion is connected to the pedal of the cab 1.

In this embodiment, the first connection portion (i.e., the first wall plate) of the second sealing element is attached to the bottom side door frame and fixed by the connection member, and the second connection portion (i.e., the second wall plate) of the second sealing element is attached to the pedal and fixed by the connection member, so that the first sealing element is wrapped by the second sealing element after the first sealing element fills the weld groove 3, and meanwhile, the second sealing element has a large enough connection area with the cab 1 of the excavator, thereby remarkably enhancing the sealing effect and the connection strength.

In this embodiment, preferably, the first connecting portion is formed with a first step portion, and at least a portion of the door frame is formed with a second step portion fitted with the first step portion.

In this embodiment, through the stair structure of adaptation, can increase the laminating area between first connecting portion and the door frame that is located the base, strengthen the joint strength of second sealing member, simultaneously, because the door frame is formed with the second stair portion, make under the state that door 2 is closed, the base of door 2 can laminate with the door frame on base, make the excavator also can effectively avoid water, dust etc. to get into driver's cabin 1 from door 2 under having water, high temperature, great special work occasion such as dust, and then avoid material such as water to store up in the position that is provided with this seal assembly.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A seal assembly for a cab of an excavator, comprising:

a first seal arranged in a groove at a weld of a cab (1) of the excavator; and a second sealing member covering the first sealing member.

2. The seal assembly of claim 1, further comprising a third seal disposed between the first seal and the second seal.

3. The seal assembly of claim 1, wherein the first seal is a caulk material.

4. The seal assembly of claim 1, wherein the second seal is a metal plate.

5. The seal assembly of claim 1, further comprising a connector for securing the second seal.

6. An excavator comprising the seal assembly of any one of claims 1 to 5.

7. Excavator according to claim 6, characterized in that the sealing assembly is arranged at the treading of the cab (1) of the excavator and below the door (2) of the excavator.

8. Excavator according to claim 7, characterized in that the pedal of the cab (1) is formed with a weld recess (3), the first seal of the sealing assembly being arranged in the weld recess (3).

9. Excavator according to claim 7, wherein the door (2) is arranged in a door frame and the second seal of the sealing assembly comprises a first connection and a second connection, the first connection being connected to the door frame and the second connection being connected to the pedal of the cab (1).

10. The excavator of claim 9 wherein the first connecting portion is formed with a first step portion and at least a portion of the door frame is formed with a second step portion that fits the first step portion.