CN218713482U - Excavator counter weight mounting structure - Google Patents

Abstract

The utility model relates to an engineering machine tool field, concretely relates to excavator counter weight mounting structure, it includes counter weight and chassis, the counter weight is located the front side of chassis, be equipped with first pressure platform on the counter weight, first pressure platform is located the rear side of counter weight, first pressure platform presses the upside at the chassis, fixed mounting has the mount pad on the chassis, be equipped with on the counter weight and pass the counter weight and screw up the bolt in the mount pad, central mounting hole and two lateral part mounting holes have been seted up on the counter weight, central mounting hole is located the middle part of counter weight, two lateral part mounting holes are located the left and right sides of central mounting hole respectively, the bolt is equipped with a plurality ofly, a plurality of bolts stretch into respectively in central mounting hole and the lateral part mounting hole, two lateral part mounting holes are located the both sides top of central mounting hole, two lateral part mounting holes and central mounting hole are triangle-shaped arrangement. The counterweight of the structure is convenient to install, firm in counterweight positioning, safe and reliable.

Description

Excavator counter weight mounting structure

Technical Field

The utility model relates to an engineering machine tool field, concretely relates to excavator counter weight mounting structure.

Background

An excavator is an engineering machine widely applied to earthwork construction, a mechanical arm is arranged on the front side of the excavator, and various earthwork operations are realized through an excavator bucket arranged at the front end of the mechanical arm during working. In order to ensure the balance of the whole excavator during operation, a balance weight is arranged on the rear side of the excavator, and the stability of the whole excavator is balanced through the balance weight.

The counterweight is arranged on the underframe, in the assembly process of the counterweight, the counterweight needs to be lifted by using a lifting device and then is manually aligned with the position of the mounting hole, in the process, the counterweight is in a suspended state, and the counterweight in the suspended state is inconvenient to adjust due to the large weight of the counterweight, so that the assembly process is difficult to operate; in addition, the stability of present counter weight is lower, and its reason lies in that the counter weight is fixed firm inadequately, has the installation hidden danger, needs the periodic overhaul, awaits improving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a firm reliable in installation to above problem to convenient assembling's excavator counter weight mounting structure.

In order to achieve the above object, the utility model discloses an excavator counter weight mounting structure, including counter weight and chassis, the counter weight is located the front side of chassis, and its structural feature is: be equipped with first pressure platform on the counter weight, first pressure platform is located the rear side of counter weight, and first pressure platform presses the upside at the chassis, and fixed mounting has the mount pad on the chassis, is equipped with the bolt that passes the counter weight and screw up in the mount pad on the counter weight.

After adopting above-mentioned structure, when assembling the chassis, hoist the counter weight through hoisting apparatus, then press first pressure platform on the chassis, at this in-process, the counter weight is in unsettled state, and the counter weight rigidity can be screwed up the bolt on the mount pad afterwards to this counter weight installation of accomplishing, adopts the counter weight simple to operate of this structure, and the counter weight location is firm, safe and reliable.

Regarding the mounting structure of bolt, seted up central mounting hole and two lateral part mounting holes on the counter weight, central mounting hole is located the middle part of counter weight, and two lateral part mounting holes are located the left and right sides of central mounting hole respectively, and the bolt is equipped with a plurality ofly, and a plurality of bolts stretch into respectively in central mounting hole and the lateral part mounting hole.

Preferably, the two side mounting holes are positioned above two sides of the central mounting hole, and the two side mounting holes and the central mounting hole are arranged in a triangle. The triangle-shaped structure is more stable, and the counter weight assembly back is more firm, and is safer.

Preferably, the mounting seat is fixedly provided with a nut, and the bolt is screwed in the nut. After the counterweight is assembled, the bolt is screwed in the nut.

And the nuts are arranged corresponding to the arrangement modes of the bolts at the mounting positions of the nuts.

Preferably, the number of the first pressing platforms is two, and the two first pressing platforms are respectively positioned at the left and right intervals. Two first pressure platforms are installed at intervals, so that the first pressure platforms are stressed more uniformly.

In order to further enhance the stability of the balance weight, a second pressing platform is arranged on the balance weight and is positioned between the two first pressing platforms, and the second pressing platform presses against the bottom frame.

Regarding the specific structure of the chassis, the chassis has a straight plate shape extending forward and backward.

Regarding the specific structure of the counterweight, the counterweight is in a U shape, and two first pressing tables are pressed against the corners of the underframe.

Preferably, the counterweight is provided with a plurality of concave parts, the concave parts are inwards concave, and the side mounting holes and the central mounting hole are positioned in the concave parts. The depressed part can play the guard action to the bolt, avoids the bolt to receive the collision.

To sum up, the beneficial effects of the utility model reside in that: when assembling the chassis, hoist the counter weight through hoisting device, then press first pressure platform on the chassis, at this in-process, the counter weight is in non-unsettled state, and the counter weight rigidity can be screwed up the bolt on the mount pad afterwards to this completion counter weight installation, adopts the counter weight simple to operate of this structure, and the counter weight location is firm, safe and reliable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic view of an assembled structure of the underframe and the counterweight;

FIG. 5 is a front view of the counterweight;

FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 5;

FIG. 7 is a schematic cross-sectional view taken along line D-D of FIG. 5;

fig. 8 is a schematic structural view of the mounting seat.

In the figure: the device comprises an underframe 1, a counterweight 2, a first pressing platform 3, a mounting seat 4, a side mounting hole 5, a central mounting hole 6, a bolt 7, a nut 8, a second pressing platform 9 and a concave part 10.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

The utility model provides an excavator counter weight mounting structure, includes counter weight 2 and chassis 1, and counter weight 2 is located the front side of chassis 1, is equipped with first pressure platform 3 on the counter weight 2, and first pressure platform 3 is located the rear side of counter weight 2, and first pressure platform 3 presses the upside of chassis 1, and fixed mounting has mount pad 4 on the chassis 1, is equipped with on the counter weight 2 to pass counter weight 2 and screws up bolt 7 in mount pad 4. Referring to the attached drawing 1, after adopting above-mentioned structure, when assembling chassis 1, hoisting up counter weight 2 through hoisting apparatus, then press first pressure platform 3 on chassis 1, at this in-process, counter weight 2 is in unsettled state, and counter weight 2 rigidity can be screwed up bolt 7 on mount pad 4 afterwards to this installation of accomplishing counter weight 2, adopt the counter weight 2 simple to operate of this structure, and counter weight 2 location is firm, safe and reliable.

Referring to fig. 8, regarding the mounting structure of the bolt 7, a central mounting hole 6 and two lateral mounting holes 5 are formed in the counterweight 2, the central mounting hole 6 is located in the middle of the counterweight 2, the two lateral mounting holes 5 are respectively located on the left side and the right side of the central mounting hole 6, the bolt 7 is provided in a plurality, and the bolts 7 respectively extend into the central mounting hole 6 and the lateral mounting holes 5. The two side mounting holes 5 are positioned above two sides of the central mounting hole 6, and the two side mounting holes 5 and the central mounting hole 6 are arranged in a triangular shape. The triangle-shaped structure is more stable, and 2 assembly backs of counter weight are more firm, and are safer.

Referring to fig. 8, a nut 8 is fixedly mounted on the mounting seat 4, and the bolt 7 is screwed in the nut 8. After the counterweight 2 is assembled, the bolt 7 is screwed in the nut 8. Regarding the mounting position of the nut 8, the nut 8 is mounted corresponding to the arrangement of the bolt 7.

Referring to fig. 4, two first pressing tables 3 are provided, and the two first pressing tables 3 are respectively located at left and right intervals. Two first pressure platforms 3 interval installation can make first pressure platform 3 atress more even.

Referring to fig. 4, in order to further enhance the stability of the counterweight 2, a second pressing table 9 is provided on the counterweight 2, the second pressing table 9 being located between the two first pressing tables 3, the second pressing table 9 being pressed against the base frame 1.

Referring to fig. 1 and 4, regarding a specific structure of the base frame 1, the base frame 1 has a straight plate shape extending forward and backward. With regard to the specific structure of the counterweight 2, the counterweight 2 has a U shape, and two first pressing tables 3 are pressed against the corners of the base frame 1. The balance weight 2 is provided with a plurality of recesses 10, the recesses 10 are recessed inward, and the side mounting holes 5 and the center mounting hole 6 are located in the recesses 10. The recess 10 protects the bolt 7 from impact.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an excavator counter weight mounting structure, includes counter weight (2) and chassis (1), and counter weight (2) are located the front side of chassis (1), its characterized in that, be equipped with first pressure platform (3) on counter weight (2), first pressure platform (3) are located the rear side of counter weight (2), and first pressure platform (3) press the upside of chassis (1), and fixed mounting has mount pad (4) on chassis (1), is equipped with on counter weight (2) to pass counter weight (2) and screws up bolt (7) in mount pad (4).

2. The excavator counterweight mounting structure according to claim 1, wherein a central mounting hole (6) and two side mounting holes (5) are formed in the counterweight (2), the central mounting hole (6) is located in the middle of the counterweight (2), the two side mounting holes (5) are respectively located on the left side and the right side of the central mounting hole (6), a plurality of bolts (7) are provided, and the plurality of bolts (7) respectively extend into the central mounting hole (6) and the side mounting holes (5).

3. The excavator counterweight mounting structure of claim 2 wherein two side mounting holes (5) are located above both sides of the central mounting hole (6), the two side mounting holes (5) and the central mounting hole (6) being arranged in a triangular shape.

4. The excavator counterweight mounting structure as claimed in claim 2, wherein a nut (8) is fixedly mounted on said mounting seat (4), and the bolt (7) is screwed in the nut (8).

5. The excavator counterweight mounting structure as claimed in claim 4, wherein said nut (8) is mounted corresponding to the arrangement of the bolt (7).

6. The excavator counterweight mounting structure as claimed in claim 1, wherein there are two first pressing tables (3), and the two first pressing tables (3) are located at a left-right interval, respectively.

7. Excavator counterweight mounting structure according to claim 6, characterized in that a second press table (9) is provided on the counterweight (2), the second press table (9) being located between the two first press tables (3), the second press table (9) being pressed against the undercarriage (1).

8. The excavator counterweight mounting structure according to claim 6, wherein said underframe (1) is in the form of a straight plate extending forward and backward.

9. The excavator counterweight mounting structure as claimed in claim 8, wherein said counterweight (2) is U-shaped, and two first pressing tables (3) are pressed against corners of the underframe (1).

10. The excavator counterweight mounting structure of claim 9, wherein a plurality of recesses (10) are provided on the counterweight (2), the recesses (10) are recessed inward, and the side mounting holes (5) and the center mounting hole (6) are located in the recesses (10).

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