CN219671461U - Excavator bucket rod reinforced structure - Google Patents

Abstract

The utility model relates to the field of engineering machinery, in particular to an excavator bucket rod reinforcing structure, which comprises a bucket rod, wherein a rear bending plate is fixedly connected to the rear part of the bucket rod, the top surface of the bucket rod protrudes out of the top surface of the rear bending plate, an accessory ear plate for installing an accessory oil cylinder is fixedly connected to the top of the bucket rod, the rear end of the accessory ear plate is propped against the top of the rear bending plate, a clamping groove is formed in the bottom of the accessory ear plate, a reinforcing plate is fixedly connected to the bucket rod and extends into the clamping groove, the reinforcing plate comprises a baffle plate positioned at the upper part of the bucket rod, and further comprises a top plate positioned at the side part of the bucket rod, the baffle plate and the top plate are bent in degrees, the rear end face of the top plate is matched with the shape of the front side surface of the rear bending plate, the rear end of the top plate is propped against the rear bending plate, and the baffle plate is clamped in the clamping groove. The excavator bucket rod reinforcing structure can prevent the welding part of the accessory lug plate and the back bending plate from cracking, and the safety and the reliability of the bucket rod are improved on the basis of small cost increase.

Description

Excavator bucket rod reinforced structure

Technical Field

The utility model relates to the field of engineering machinery, in particular to a bucket rod reinforcing structure of an excavator.

Background

The excavator is an engineering machine widely applied to earthwork construction, the front side of the excavator is provided with an accessory, such as a bucket, a breaking hammer and a hydraulic shear, the accessory is connected with the excavator through a movable arm and a bucket rod, the front end on the movable arm is provided with an accessory oil cylinder for controlling the action of the accessory, the upper part of the movable arm is provided with a bucket rod oil cylinder for controlling the action of the bucket rod, in addition, the excavator is also provided with a movable arm oil cylinder for controlling the action of the movable arm, and the action of the accessory is controlled through the accessory oil cylinder, and the expansion and contraction of the movable arm oil cylinder and the bucket rod oil cylinder governs the actions of excavating, loading and the like of the bucket.

Through market product feedback, the dipper in the present market often breaks down, through research finding, because the accessory otic placode need install the accessory hydro-cylinder of control excavator accessory, the accessory hydro-cylinder can produce backward thrust to the accessory otic placode when the extension, under the effect of this thrust, the accessory otic placode promotes back bent plate backward, leads to accessory otic placode and back bent plate welded part to take place the phenomenon of cracking, and this can not only influence work efficiency, still has the potential safety hazard, remains to improve.

Disclosure of Invention

The utility model aims to provide a firm and reliable excavator bucket rod reinforcing structure.

The utility model discloses a bucket rod reinforcing structure of an excavator, which comprises a bucket rod and is structurally characterized in that: the rear part fixedly connected with back bent plate of dipper, back bent plate top stretch out the top surface of dipper, and dipper top fixedly connected with is used for installing the accessory otic placode of accessory hydro-cylinder, and the rear end top of accessory otic placode is leaned on back bent plate top, and the bottom of accessory otic placode is equipped with the draw-in groove, fixedly connected with reinforcing plate on the dipper, and the reinforcing plate stretches into in the draw-in groove.

After adopting above-mentioned structure, set up the draw-in groove in the bottom of accessory otic placode to set up the reinforcing plate on the dipper, stretch into the draw-in groove with the reinforcing plate in, the reinforcing plate can carry out spacingly to the accessory otic placode, when the accessory hydro-cylinder is elongating, because the accessory hydro-cylinder can produce backward thrust to the accessory otic placode this moment, the reinforcing plate can block the accessory otic placode, offset a part thrust, avoid the accessory otic placode to back bent plate extrusion, thereby avoid accessory otic placode and back bent plate welded part to take place the fracture, eliminate the potential safety hazard, on the basis that the cost increases less, the safety, the reliability of dipper has been increased.

Regarding the concrete structure of the back bending plate, the lower part of the back bending plate is bent backwards, and the lower part of the back bending plate is bent and extends to the bottom of the bucket rod.

Preferably, the left side and the right side of the back bending plate transversely extend, the left side and the right side of the back bending plate extend out of the left side surface and the right side surface of the bucket rod, and the back bending plate extending out of the side surface of the bucket rod can block the reinforcing plate.

Regarding the concrete structure of reinforcing plate, the reinforcing plate is including being located the baffle on dipper upper portion, still including being located the roof of dipper lateral part, baffle and roof are 90 degrees and buckle, and the rear end face of roof and the leading flank shape phase-match of back bent plate, the rear end top of roof leans on the back bent plate.

Regarding the cooperation structure of the baffle and the clamping groove, the baffle is clamped in the clamping groove.

In order to strengthen the joint strength of reinforcing plate and bucket rod, roof fixed connection is in the lateral part of bucket rod.

Preferably, the top of the bucket rod is fixedly connected with a flitch, one end of the flitch, which is close to the attachment ear plate, is provided with a limit groove, and the front end of the attachment ear plate extends into the limit groove. When the accessory oil cylinder contracts, the accessory oil cylinder gives forward tension to the accessory lug plate, and the accessory lug plate can be blocked by the attaching plate, so that the front end of the accessory lug plate is prevented from cracking.

Preferably, the back bending plate is provided with two bucket rod lug plates used for connecting the bucket rod oil cylinders, and the two bucket rod lug plates are arranged at left and right intervals.

Preferably, the fixed connection is welding, and the welding is firm and reliable, and the accessory otic placode is equipped with two, and two accessory otic placodes are about the interval.

In summary, the beneficial effects of the utility model are as follows: the clamping groove is formed in the bottom of the accessory lug plate, the reinforcing plate is arranged on the bucket rod and extends into the clamping groove, the reinforcing plate can limit the accessory lug plate, when the accessory oil cylinder stretches, the accessory oil cylinder can generate backward thrust to the accessory lug plate at the moment, the reinforcing plate can block the accessory lug plate to offset a part of the thrust, the accessory lug plate is prevented from extruding the back bending plate, and therefore cracking of welding positions of the accessory lug plate and the back bending plate is avoided, potential safety hazards are eliminated, and the safety and reliability of the bucket rod are improved on the basis of small cost increase.

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 side view of the stick;

FIG. 4 is a schematic top view of the stick;

fig. 5 is a schematic view of an explosion structure of the arm.

In the figure: arm 1, accessory otic placode 2, reinforcing plate 3, flitch 4, spacing groove 5, back bent plate 6, draw-in groove 7, baffle 8, roof 9, arm otic placode 10.

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 utility model, 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 describing the present utility model 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 thus should not be construed as limiting the present utility model.

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 utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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

The utility model provides an excavator bucket rod 1 additional strengthening, includes bucket rod 1, and the back bent plate 6 of rear fixedly connected with of bucket rod 1, the top surface of bucket rod 1 is stretched out at back bent plate 6 top, and bucket rod 1 top fixedly connected with is used for installing accessory hydro-cylinder's accessory otic placode 2, and the rear end top of accessory otic placode 2 leans on back bent plate 6 top, and the bottom of accessory otic placode 2 is equipped with draw-in groove 7, fixedly connected with reinforcing plate 3 on the bucket rod 1, and reinforcing plate 3 stretches into in the draw-in groove 7. Referring to fig. 1, a clamping groove 7 is formed in the bottom of an attachment ear plate 2, a reinforcing plate 3 is arranged on a bucket rod 1, the reinforcing plate 3 stretches into the clamping groove 7, the reinforcing plate 3 can limit the attachment ear plate 2, when an attachment oil cylinder stretches, the attachment oil cylinder can generate backward thrust to the attachment ear plate 2 at the moment, the reinforcing plate 3 can block the attachment ear plate 2 to offset a part of the thrust, the attachment ear plate 2 is prevented from extruding a backward bending plate 6, and therefore cracking of a welding part of the attachment ear plate 2 and the backward bending plate 6 is avoided, potential safety hazards are eliminated, and safety and reliability of the bucket rod 1 are improved on the basis of small cost increase.

Referring to fig. 3, regarding the concrete structure of the back bending plate 6, the lower portion of the back bending plate 6 is bent backward, and the lower portion of the back bending plate 6 is bent and extended to the bottom of the arm 1. The left side and the right side of the back bending plate 6 transversely extend, the left side and the right side of the back bending plate 6 extend out of the left side and the right side of the bucket rod 1, and the back bending plate 6 extending out of the side of the bucket rod 1 can block the reinforcing plate 3.

Referring to fig. 2, regarding the specific structure of the reinforcing plate 3, the reinforcing plate 3 includes a baffle 8 located at the upper portion of the arm 1, and further includes a top plate 9 located at the side portion of the arm 1, where the baffle 8 and the top plate 9 are bent at 90 degrees, the rear end surface of the top plate 9 is matched with the front side surface shape of the back bending plate 6, and the rear end of the top plate 9 abuts against the back bending plate 6. Regarding the fitting structure of the baffle plate 8 and the card slot 7, the baffle plate 8 is clamped in the card slot 7.

Referring to fig. 5, in order to enhance the connection strength of the reinforcing plate 3 and the arm 1, a top plate 9 is fixedly connected to a side portion of the arm 1.

Referring to fig. 1, a flitch 4 is fixedly connected to the top of a bucket rod 1, a limit groove 5 is formed in one end, close to an accessory ear plate 2, of the flitch 4, and the front end of the accessory ear plate 2 extends into the limit groove 5. When the accessory oil cylinder contracts, the accessory oil cylinder gives forward tension to the accessory ear plate 2, and the attachment plate 4 can block the accessory ear plate 2, so that the front end of the accessory ear plate 2 is prevented from cracking.

Referring to fig. 1 and 3, arm lugs 10 for connecting the cylinders of the arm 1 are mounted on the back bending plate 6, and two arm lugs 10 are provided, and the two arm lugs 10 are spaced left and right. The fixed connection is welding, and the welding is firm and reliable.

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 additional strengthening, includes bucket rod (1), its characterized in that, the rear portion fixedly connected with back bent plate (6) of bucket rod (1), the top surface of bucket rod (1) is stretched out at back bent plate (6) top, and bucket rod (1) top fixedly connected with is used for installing accessory otic placode (2) of accessory hydro-cylinder, and the rear end of accessory otic placode (2) is held up and is leaned on back bent plate (6) top, and the bottom of accessory otic placode (2) is equipped with draw-in groove (7), fixedly connected with reinforcing plate (3) on bucket rod (1), and reinforcing plate (3) stretch into in draw-in groove (7).

2. The excavator bucket rod reinforcing structure according to claim 1, wherein the lower part of the back bending plate (6) is bent backwards, and the lower part of the back bending plate (6) is bent and extends to the bottom of the bucket rod (1).

3. The excavator bucket rod reinforcing structure according to claim 2, wherein the left and right sides of the back bending plate (6) extend laterally, and the left and right sides of the back bending plate (6) protrude out of the left and right sides of the bucket rod (1).

4. The excavator bucket rod reinforcing structure according to claim 3, wherein the reinforcing plate (3) comprises a baffle plate (8) arranged on the upper portion of the bucket rod (1) and a top plate (9) arranged on the side portion of the bucket rod (1), the baffle plate (8) and the top plate (9) are bent at 90 degrees, the rear end face of the top plate (9) is matched with the front side face of the back bending plate (6), and the rear end of the top plate (9) abuts against the back bending plate (6).

5. The excavator bucket stick reinforcement structure according to claim 4, characterized in that the baffle plate (8) is clamped in the clamping groove (7).

6. The excavator bucket stick reinforcement structure according to claim 4, characterized in that the top plate (9) is fixedly connected to the sides of the bucket stick (1).

7. The excavator bucket rod reinforcing structure according to claim 1, wherein a flitch (4) is fixedly connected to the top of the bucket rod (1), a limit groove (5) is formed in one end, close to the accessory ear plate (2), of the flitch (4), and the front end of the accessory ear plate (2) extends into the limit groove (5).

8. The excavator bucket rod reinforcing structure according to claim 1, characterized in that the back bending plate (6) is provided with a bucket rod lug plate (10) for connecting a bucket rod cylinder.

9. The excavator stick reinforcement structure of any one of claims 1 to 8 wherein the fixed connection is a weld.