CN219175344U - Excavator bucket rod with adjustable extension range - Google Patents

Abstract

The utility model relates to the field of engineering machinery, in particular to an excavator bucket rod with an adjustable extension range, which comprises a movable arm and a bucket rod, wherein a positioning table is arranged at the rear side of the bucket rod, the front end of the movable arm is hinged with the rear part of the bucket rod, a bucket rod lug plate is arranged on the positioning table and extends vertically, the bucket rod lug plate is positioned at the upper side of the movable arm, a plurality of hinge holes are formed in the bucket rod lug plate, a bucket rod oil cylinder is hinged on the movable arm, the front end of the bucket rod oil cylinder is hinged with one of the hinge holes, two bucket rod lug plates are arranged at left and right intervals, a piston rod of the bucket rod oil cylinder extends into the space between the two bucket rod lug plates, a connecting hole is formed in the front end of the piston rod, a pin shaft penetrating through the hinge holes and extending into the connecting hole is arranged on the bucket rod lug plate, and a limiting plate is arranged at one end of the pin shaft and extends outwards along the radial direction of the pin shaft. Different excavating forces and working ranges can be realized by adjusting the hinge point of the bucket rod oil cylinder, and the adaptability and the utilization rate of the excavator are improved.

Description

Excavator bucket rod with adjustable extension range

Technical Field

The utility model relates to the field of engineering machinery, in particular to an excavator bucket rod with an adjustable extension range.

Background

The hydraulic excavator has wide application in building construction, hydraulic engineering and mining, and the hydraulic oil cylinder drives the working device to complete the operations of excavating, loading and unloading, crushing, lifting, piling and the like.

The front side of the excavator is hinged with a movable arm, the front end of the movable arm is hinged with a bucket, the front end of the bucket is hinged with a bucket, and the excavator further comprises a bucket rod oil cylinder for controlling the extension of the bucket and a bucket oil cylinder for controlling the excavation of the bucket. The extension amount of the existing excavator bucket rod, namely the extension angle of the bucket rod is fixed, so that the whole excavating force and the working range are both fixed and cannot be adjusted, the environment required by various working conditions and various working ranges cannot be met at the same time, and the excavator bucket rod is to be improved.

Disclosure of Invention

The utility model aims to provide the excavator bucket rod which is reliable in work and can be suitable for various different working conditions and has adjustable extension ranges.

The utility model discloses an excavator bucket rod with an adjustable extension range, which comprises a movable arm and a bucket rod, and is structurally characterized in that: the rear side of dipper is equipped with the locating bench, and the front end of swing arm is articulated with the rear portion of dipper, installs the dipper otic placode on the locating bench, and the vertical extension of dipper otic placode is located the upside of swing arm, is equipped with a plurality of hinge holes on the dipper otic placode, articulates on the swing arm has the dipper hydro-cylinder, and the front end of dipper hydro-cylinder articulates with one of them hinge hole.

After adopting above-mentioned structure, set up the locating bench in the rear side of dipper, install the dipper otic placode on the locating bench, be equipped with a plurality of hinge holes on the dipper otic placode, the front end of dipper hydro-cylinder selects one to cooperate with a plurality of hinge holes, can realize different excavation power and extension scope through adjusting dipper hydro-cylinder hinge point, very big solution work range and the condition of operating mode constraint, improved the adaptability and the rate of utilization of excavator.

Regarding the concrete structure of the bucket rod lug plates, two bucket rod lug plates are arranged, the left bucket rod lug plate and the right bucket rod lug plate are spaced, a piston rod of the bucket rod oil cylinder extends into the space between the two bucket rod lug plates, a connecting hole is formed in the front end of the piston rod, and a pin shaft penetrating through the hinge hole and extending into the connecting hole is arranged on the bucket rod lug plates.

Regarding the fixed structure of the pin shaft, one end of the pin shaft is provided with a limiting plate, the limiting plate extends outwards along the radial direction of the pin shaft, and a pressing plate for fixing the limiting plate is arranged on the bucket rod lug plate.

Regarding the fixed structure of the pressing plate, the pressing plate is pressed against the limiting plate, bolts are arranged at two ends of the pressing plate, penetrate through the pressing plate and are screwed in the bucket rod lug plates.

Regarding the arrangement structure of the hinge holes, a plurality of hinge holes on the same bucket rod lug plate are vertically spaced, and the hinge holes on two bucket rod lug plates are correspondingly arranged left and right.

Regarding the mounting structure of the bucket rod oil cylinder, a first oil cylinder seat is mounted on the movable arm, and the rear end of the bucket rod oil cylinder is hinged to the first oil cylinder seat.

Preferably, the first cylinder block is installed at an upper side of the movable arm.

Preferably, a second cylinder seat is arranged on the upper side of the bucket rod, and a bucket cylinder for controlling the bucket to act is arranged on the second cylinder seat.

Preferably, the front end of the piston rod of the bucket cylinder is hinged with a connecting rod and a rocker, the other end of the rocker is hinged with the bucket rod, and the other end of the connecting rod is hinged with the bucket. When the bucket cylinder stretches out and draws back, the rocker moves around the connecting rod, and the connecting rod pushes the bucket to enable the bucket to rotate on the bucket rod, so that the rotation angle of the bucket can be enlarged, the excavating force of the bucket is improved, and the loading and unloading efficiency of the bucket is enhanced.

In summary, the beneficial effects of the utility model are as follows: the rear side at the dipper sets up the locating bench, installs the dipper otic placode on the locating bench, is equipped with a plurality of hinge holes on the dipper otic placode, and the front end of dipper hydro-cylinder is selected one with a plurality of hinge holes and is cooperated, can realize different excavation power and working range through adjusting dipper hydro-cylinder hinge point, very big solution working range and the condition of operating mode constraint, improved the adaptability and the rate of utilization of excavator. When the bucket cylinder stretches and contracts, the rocker moves around the connecting rod, and the connecting rod pushes the bucket to enable the bucket to rotate on the bucket rod, so that the rotation angle of the bucket can be enlarged, and the loading and unloading efficiency of the bucket is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the portion at the point A in FIG. 1;

FIG. 3 is a schematic view of the structure of the stick ear plate;

FIG. 4 is a schematic structural view of a platen;

fig. 5 is a schematic structural view of the pin shaft.

In the figure: boom 1, arm cylinder 2, arm lug plate 3, arm 4, hinge hole 5, first cylinder seat 6, bucket cylinder 7, second cylinder seat 8, positioning table 9, pin 10, limiting plate 11, pressing plate 12, bolt 13, connecting rod 14, rocker 15, bucket 16.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The following is a description of preferred embodiments of the utility model, taken in conjunction with the accompanying drawings.

The utility model provides an adjustable hydro-cylinder hinge point's dipper 4 structure, includes movable arm 1 and dipper 4, and the rear side of dipper 4 is equipped with location platform 9, and the front end of movable arm 1 is articulated with the rear portion of dipper 4, installs dipper otic placode 3 on the location platform 9, and the vertical extension of dipper otic placode 3 is located the upside of movable arm 1, is equipped with a plurality of hinge holes 5 on the dipper otic placode 3, and the last articulated dipper hydro-cylinder 2 that has of movable arm 1, and the front end of dipper hydro-cylinder 2 is articulated with one of them hinge hole 5. Referring to fig. 1, after the structure is adopted, the positioning table 9 is arranged at the rear side of the bucket rod 4, the bucket rod lug plate 3 is arranged on the positioning table 9, a plurality of hinge holes 5 are formed in the bucket rod lug plate 3, the front end of the bucket rod oil cylinder 2 is matched with one of the hinge holes 5, different excavating forces and working ranges can be realized by adjusting the hinge point of the bucket rod oil cylinder 2, the situations of the working range and working condition constraint are greatly solved, and the adaptability and the utilization rate of the excavator are improved.

Referring to fig. 2, regarding a specific structure of the arm ear plate 3, the arm ear plate 3 is provided with two arm ear plates 3, the two arm ear plates 3 are spaced left and right, a piston rod of the arm cylinder 2 extends between the two arm ear plates 3, a connecting hole is formed at a front end of the piston rod, and a pin shaft 10 penetrating through the hinge hole 5 and extending into the connecting hole is mounted on the arm ear plate 3.

Referring to fig. 2, regarding the fixing structure of the pin shaft 10, one end of the pin shaft 10 is provided with a limiting plate 11, the limiting plate 11 extends outwards along the radial direction of the pin shaft 10, and the arm ear plate 3 is provided with a pressing plate 12 for fixing the limiting plate 11. With respect to the fixing structure of the pressing plate 12, the pressing plate 12 is pressed against the limiting plate 11, and bolts 13 are provided at both ends of the pressing plate 12, and the bolts 13 pass through the pressing plate 12 and are screwed into the arm ear plate 3. Regarding the arrangement structure of the hinge holes 5, a plurality of hinge holes 5 on the same arm ear plate 3 are vertically spaced, and the hinge holes 5 on two arm ear plates 3 are correspondingly arranged left and right.

Referring to fig. 1, regarding the installation structure of the arm cylinder 2, a first cylinder block 6 is installed on the boom 1, and the rear end of the arm cylinder 2 is hinged to the first cylinder block 6. The first cylinder block 6 is installed at the upper side of the boom 1.

Referring to fig. 1, a second cylinder block 8 is mounted on the upper side of the arm 4, and a bucket cylinder 7 for controlling the operation of the bucket 16 is mounted on the second cylinder block 8.

Referring to fig. 1, a link 14 and a rocker 15 are hinged to the front end of a piston rod of the bucket cylinder 7, the other end of the rocker 15 is hinged to the arm 4, and the other end of the link 14 is hinged to the bucket 16. When the bucket cylinder 7 expands and contracts, the rocker 15 moves around the link 14, and the link 14 pushes the bucket 16 to rotate the bucket 16 on the arm 4, so that the rotation angle of the bucket 16 can be enlarged, and the loading and unloading efficiency of the bucket 16 can be enhanced.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (9)

1. The utility model provides an excavator bucket rod with adjustable extension range, includes movable arm (1) and bucket rod (4), its characterized in that, the rear side of bucket rod (4) is equipped with locating bench (9), and the front end of movable arm (1) is articulated with the rear portion of bucket rod (4), installs bucket rod otic placode (3) on locating bench (9), and bucket rod otic placode (3) vertical extension is equipped with a plurality of hinge holes (5) on bucket rod otic placode (3) are located the upside of movable arm (1), articulated on movable arm (1) have bucket rod hydro-cylinder (2), and the front end and one of them hinge hole (5) of bucket rod hydro-cylinder (2) are articulated.

2. The excavator bucket rod with the adjustable extension range according to claim 1, wherein two bucket rod lug plates (3) are arranged, the two bucket rod lug plates (3) are spaced left and right, a piston rod of the bucket rod oil cylinder (2) extends into the space between the two bucket rod lug plates (3), a connecting hole is formed in the front end of the piston rod, and a pin shaft (10) penetrating through the hinge hole (5) and extending into the connecting hole is arranged on the bucket rod lug plates (3).

3. The excavator bucket rod with the adjustable extension range according to claim 2, characterized in that one end of the pin shaft (10) is provided with a limiting plate (11), the limiting plate (11) extends outwards along the radial direction of the pin shaft (10), and the bucket rod lug plate (3) is provided with a pressing plate (12) for fixing the limiting plate (11).

4. An excavator bucket rod with adjustable extension range according to claim 3, characterized in that the pressure plate (12) is pressed against the limiting plate (11), the two ends of the pressure plate (12) are provided with bolts (13), and the bolts (13) penetrate through the pressure plate (12) and are screwed into the bucket rod lug plate (3).

5. The excavator bucket rod with adjustable extension range according to claim 2, characterized in that a plurality of hinge holes (5) on the same bucket rod lug plate (3) are vertically spaced, and the hinge holes (5) on two bucket rod lug plates (3) are correspondingly arranged on the left and right sides.

6. The excavator bucket rod with the adjustable extension range according to claim 1, characterized in that a first oil cylinder seat (6) is arranged on the movable arm (1), and the rear end of the bucket rod oil cylinder (2) is hinged on the first oil cylinder seat (6).

7. The boom of an excavator with adjustable extension according to claim 6, characterized in that the first cylinder block (6) is mounted on the upper side of the boom (1).

8. The excavator bucket rod with adjustable extension range according to claim 1, characterized in that a second cylinder seat (8) is mounted on the upper side of the bucket rod (4), and a bucket cylinder (7) for controlling the action of the bucket (16) is mounted on the second cylinder seat (8).

9. The excavator bucket rod with the adjustable extension range according to claim 8, characterized in that a connecting rod (14) and a rocker (15) are hinged at the front end of a piston rod of the bucket cylinder (7), the other end of the rocker (15) is hinged with the bucket rod (4), and the other end of the connecting rod (14) is hinged with the bucket (16).

Images