CN218667693U - Excavator dozer blade - Google Patents

Abstract

The utility model relates to an engineering machine tool field, concretely relates to excavator dozer blade, it includes the backplate, be equipped with the back concave part of backward uplift on the backplate, the front side fixedly connected with push pedal of backplate, fixedly connected with gusset between backplate and the push pedal, the gusset is located the front side of back concave part, the front end top of gusset is leaned on in the push pedal, the rear portion of backplate is equipped with the girder, the girder extends backward, the front end of girder and the trailing flank fixed connection of backplate, the lateral part of girder is equipped with the backup pad, the backup pad is located the contained angle department of girder and backplate, be equipped with the cavity between backplate and the push pedal, this cavity is located the front side of back concave part, the gusset is located the cavity. The dozer blade adopting the structure does not need to be provided with the holes on the back plate, the rib plate is arranged between the back plate and the push plate, the thrust or the pressure is transmitted through the rib plate, the structural rigidity is high, the stability is good, and the welding process is simple.

Description

Excavator dozer blade

Technical Field

The utility model relates to an engineering machine tool field, concretely relates to excavator dozer blade.

Background

The excavator is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port, mine and other construction engineering, and is mainly used for shoveling and loading soil, gravel, lime, coal and other bulk materials, and also for light shoveling and digging of ore, hard soil and other materials. And different auxiliary working devices such as a dozer blade can be replaced to carry out dozer operation.

The rear portion of current excavator dozer blade is equipped with the girder, and the dozer blade passes through the girder and installs in excavator automobile body front side, in order to strengthen the intensity of dozer blade, need open at the dozer blade rear side and establish the through-hole, passes the through-hole with the girder, makes the girder stretch into in the dozer blade, but adopt this structure after, the unable welding operation of implementing of girder that stretches into in the dozer blade, the girder is relatively poor with the joint strength of dozer blade, structural stability is lower, remains to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an excavator dozer blade that structural strength is high to above problem.

In order to achieve the above object, the utility model discloses an excavator dozer blade, including the backplate, its structural feature is: the back plate is provided with a back concave part protruding backwards, the front side of the back plate is fixedly connected with a push plate, a rib plate is fixedly connected between the back plate and the push plate and positioned at the front side of the back concave part, and the front end of the rib plate is abutted against the push plate.

Adopt above-mentioned structure, set up the back concave part on the backplate, install the gusset in the back concave part to make the gusset top lean on in the push pedal, the during operation girder gives the backplate with thrust, and the backplate gives the push pedal with pressure transmission through the gusset again, finally implements by the push pedal and pushes away the shovel operation, and the soil spade that adopts this structure need not trompil on the backplate, sets up the gusset between backplate and push pedal, through gusset transmission thrust or pressure, and structural rigidity is high, and stability is good, and welding process is simple.

Preferably, the rear part of the back plate is provided with a main beam, the main beam extends backwards, and the front end of the main beam is fixedly connected with the rear side surface of the back plate. The rear side of the back plate does not need to be provided with holes, and the structural rigidity is high.

Regarding the arrangement structure of the main beams, the two main beams are arranged and spaced left and right.

Preferably, a connecting cylinder is arranged between the two main beams, and two ends of the connecting cylinder are fixedly connected with the two main beams respectively. The connecting cylinder is provided with an ear plate which is connected with a hydraulic oil cylinder, and the extension of the hydraulic oil cylinder can control the lifting or falling action of the dozer blade.

In order to enhance the connection strength of the main beam and the back plate, a supporting plate is arranged on the side portion of the main beam and is positioned at the included angle between the main beam and the back plate.

Regarding the concrete structure of backup pad, the backup pad is right triangle-shaped, and one of them right-angle side and girder lateral part fixed connection of backup pad, another right-angle side and the rear side fixed connection of backplate of backup pad.

Regarding the mounting structure of the rib plate, a cavity is arranged between the back plate and the push plate and is positioned on the front side of the rear concave part, and the rib plate is positioned in the cavity.

Preferably, both ends fixedly connected with curb plate about the backplate, the both ends of curb plate shutoff cavity are uncovered, and the curb plate can further improve the intensity of dozer blade.

In order to further enhance the structural strength of the blade, a plurality of rib plates are arranged and are spaced from each other.

Preferably, the fixed connection is a welded connection.

To sum up, the beneficial effects of the utility model reside in that: set up the back concave part on the backplate, install the gusset in the back concave part to make the gusset top lean on the push pedal, the during operation girder gives the backplate thrust, and the backplate gives the push pedal with pressure transmission through the gusset again, finally implements the shovel operation by the push pedal, and the shovel that adopts this structure need not trompil on the backplate, sets up the gusset between backplate and push pedal, through gusset transmission thrust or pressure, and structural rigidity is high, and stability is good, and welding process is simple.

Drawings

FIG. 1 is a schematic side view of the construction of a blade;

FIG. 2 is a schematic side view of a blade;

FIG. 3 is a schematic top view of the blade;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic sectional view taken along line B-B in fig. 3.

In the figure: the main beam 1, the supporting plate 2, the rib plate 3, the back plate 4, the connecting cylinder 5, the push plate 6, the rear concave part 7 and the side plate 8.

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 to implicitly indicate 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, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 this application will be understood to be a specific case for 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 dozer blade, includes backplate 4, is equipped with the back concave part 7 of backward uplift on backplate 4, and the front side fixedly connected with push pedal 6 of backplate 4, fixedly connected with gusset 3 between backplate 4 and the push pedal 6, gusset 3 are located the front side of back concave part 7, and the front end top of gusset 3 is leaned on push pedal 6. Refer to fig. 1, set up back concave part 7 on backplate 4, install gusset 3 in back concave part 7, and make gusset 3 top lean on push pedal 6, during operation girder 1 gives backplate 4 with thrust transmission, 4 rethread gussets 3 of backplate give push pedal 6 with pressure transmission, finally carry out the dozer blade operation by push pedal 6, the dozer blade that adopts this structure need not trompil on backplate 4, set up gusset 3 between backplate 4 and push pedal 6, transmit thrust or pressure through gusset 3, structural rigidity is high, good stability, welding process is simple.

Referring to fig. 3, the rear portion of the back plate 4 is provided with a main beam 1, the main beam 1 extends backwards, and the front end of the main beam 1 is fixedly connected with the rear side surface of the back plate 4. The rear side of the back plate 4 does not need to be provided with holes, and the structural rigidity is high. Regarding the arrangement structure of the main beams 1, two main beams 1 are provided, and the two main beams 1 are spaced from each other.

Referring to the attached drawings 1 and 4, a connecting cylinder 5 is arranged between the two main beams 1, and two ends of the connecting cylinder 5 are respectively fixedly connected with the two main beams 1. The connecting cylinder 5 is provided with an ear plate which is connected with a hydraulic oil cylinder, and the extension of the hydraulic oil cylinder can control the lifting or falling action of the dozer blade.

Referring to fig. 1 and 3, in order to enhance the connection strength between the main beam 1 and the back plate 4, a support plate 2 is arranged on the side of the main beam 1, and the support plate 2 is located at the included angle between the main beam 1 and the back plate 4. Regarding the concrete structure of backup pad 2, backup pad 2 is right triangle-shaped, and one of them right-angle side and girder 1 lateral part fixed connection of backup pad 2, another right-angle side and the rear side fixed connection of backplate 4 of backup pad 2.

Referring to fig. 4 and 5, regarding the mounting structure of the rib plate 3, a cavity is provided between the back plate 4 and the push plate 6, the cavity is located at the front side of the rear concave portion 7, and the rib plate 3 is located in the cavity.

Referring to the attached drawing 1, the left end and the right end of the back plate 4 are fixedly connected with side plates 8, the two ends of the cavity are blocked by the side plates 8, and the side plates 8 can further improve the strength of the dozer blade. In order to further enhance the structural strength of the blade, a plurality of rib plates 3 are arranged, and the plurality of rib plates 3 are spaced from each other. The fixed connection is welded connection.

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 dozer blade, includes backplate (4), its characterized in that, be equipped with back concave part (7) of backward uplift on backplate (4), front side fixedly connected with push pedal (6) of backplate (4), fixedly connected with gusset (3) between backplate (4) and push pedal (6), gusset (3) are located the front side of back concave part (7), and the front end top of gusset (3) is leaned on push pedal (6).

2. The excavator blade of claim 1, wherein the rear part of the back plate (4) is provided with a main beam (1), the main beam (1) extends backwards, and the front end of the main beam (1) is fixedly connected with the rear side surface of the back plate (4).

3. The excavator blade according to claim 2, characterized in that there are two main beams (1), the two main beams (1) being spaced left and right.

4. The excavator blade according to claim 3, characterized in that a connecting cylinder (5) is arranged between the two main beams (1), and both ends of the connecting cylinder (5) are fixedly connected with the two main beams (1) respectively.

5. The excavator blade of claim 2, wherein the side of the main beam (1) is provided with a support plate (2), and the support plate (2) is positioned at the corner between the main beam (1) and the back plate (4).

6. The excavator dozer blade of claim 5, wherein the support plate (2) is in the shape of a right triangle, one of the right-angled sides of the support plate (2) is fixedly connected with the side of the main beam (1), and the other right-angled side of the support plate (2) is fixedly connected with the rear side of the back plate (4).

7. The excavator blade according to claim 1, characterized in that a cavity is provided between the back plate (4) and the push plate (6), the cavity being located at the front side of the rear recess (7), and the rib plate (3) being located in the cavity.

8. The excavator blade of claim 7 wherein the left and right ends of the back plate (4) are fixedly connected with side plates (8), and the side plates (8) block the two ends of the cavity from being opened.

9. The excavator blade according to claim 1, wherein a plurality of said rib plates (3) are provided, and a plurality of said rib plates (3) are spaced from each other.

10. The excavator blade of any one of claims 1 to 9 wherein the fixed connection is a welded connection.

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