CN219298320U

CN219298320U - Anti-collision beam structure of excavator

Info

Publication number: CN219298320U
Application number: CN202320180415.6U
Authority: CN
Inventors: 迟峰; 刘崇; 王思贞; 朱新伟; 袁明亮; 金穗
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-07-04
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses an anti-collision beam structure of an excavator, which belongs to the field of engineering machinery and solves the problems that a triangular anti-collision beam structure is lack in the prior art, rib plates are added inside the anti-collision beam structure, the structure is reliable, the structural rigidity of an upper frame side beam is effectively improved, and a walking channel pedal is convenient to install. The novel automobile main bending plate mainly comprises a main bending plate, wherein baffles are welded at two ends of the main bending plate, a plurality of reinforcing rib plates are welded on the inner end face of the main bending plate, a closed cavity structure is arranged among the main bending plate, the baffles and the automobile frame, and the main bending plate is formed by adopting a special die. The utility model is mainly used for the anti-collision beam of the excavator.

Description

Anti-collision beam structure of excavator

Technical Field

The utility model relates to an engineering machinery structure, in particular to an anti-collision beam structure of an excavator.

Background

Because the large excavator has larger turning radius and worse working condition, an anti-collision beam structure is generally arranged at the side beam position of the upper frame in order to ensure that the upper platform is prevented from being damaged by impact during turning. From the connection mode, the prior anti-collision beam structure of the excavator mainly comprises a welded structure and an assembled structure. The assembled anti-collision Liang Fangbian is detached, but cannot play a role in reinforcing the upper frame platform; welding type anti-collision beams in the prior art are generally of inclined structures up and down, so that an operator can not conveniently walk and stand.

Disclosure of Invention

The utility model aims to provide an anti-collision beam structure of an excavator, which adopts a triangular anti-collision beam structure, wherein rib plates are additionally arranged in the anti-collision beam structure, the structure is reliable, the structural rigidity of an upper frame side beam is effectively increased, and a walking channel pedal is conveniently additionally arranged.

The utility model is realized by the following technical scheme:

the utility model provides an excavator anticollision roof beam structure, includes main bent plate, and main bent plate both ends welding has the baffle, and main bent plate inner end face welding has a plurality of deep floor, is airtight cavity structure between main bent plate, baffle and the frame, and main bent plate adopts special mould shaping.

Further, the main bent plate and the baffle are symmetrically welded at the side beams at the left side and the right side of the upper frame, the connection part of the upper end of the main bent plate and the side beams is continuously welded, the connection part of the baffle and the side beams is continuously welded, the connection part of the inclined surface lower end of the main bent plate and the side beams is discontinuously welded, and glue is applied to the non-welded part.

Further, a fixing hole is formed in the inclined plane of the main bending plate at the left side edge beam of the upper frame, a fixing nut is welded at the fixing hole at the inner end of the inclined plane, the walking channel pedal is connected with the inclined plane through a connecting bracket, and the bolt and the fixing nut are matched and fastened to the walking channel pedal.

Further, the connecting support is a bending plate, reinforcing plates are arranged on two sides of the bending plate, and through holes are formed in the bending plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main bent plate is formed by adopting a special die, the whole structure is of a triangular anti-collision beam structure, the rib plates are additionally arranged inside the main bent plate, the appearance is unique and elegant, the structure is reliable, and the protection requirement on an upper platform under the working conditions of mine crushing and the like can be effectively met.

2. The two-side main bending plate anti-collision beam structure is integrated with the upper frame side beam into a whole in a welding mode, so that the structural rigidity of the upper frame side beam can be effectively increased, and the strength of the upper rotary platform is improved.

3. The upper part of the welded anti-collision beam is of a plane structure, and the inclined surface of the main bending plate of the left anti-collision beam is additionally provided with a fixing hole, so that the requirement of additional installation and fixation of the pedal of the walking channel can be met simultaneously.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present utility model;

fig. 2 is a schematic structural view of embodiment 2 of the present utility model;

FIG. 3 is a schematic view showing the welding position of the fixing nut in embodiment 3 of the present utility model;

FIG. 4 is a schematic view I of the installation of the running channel pedal in embodiment 3 of the present utility model;

fig. 5 is a schematic view ii of the installation of the travel path pedal in embodiment 3 of the present utility model.

In the figure: 1. a main bending plate; 2. reinforcing rib plates; 3. a baffle; 4. a connecting bracket; 5. a fixing nut; 6. a bolt; 7. a walking path pedal.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1, in embodiment 1, an anti-collision beam structure of an excavator includes a main bending plate 1, two ends of the main bending plate 1 are welded with baffle plates 3, a plurality of reinforcing rib plates 2 are welded on the inner end surface of the main bending plate 1, a closed cavity structure is arranged among the main bending plate 1, the baffle plates 3 and a frame, the main bending plate 1 and the baffle plates 3 form a triangle structure, reinforcing rib plates 2 are uniformly distributed in the main bending plate 1 and the baffle plates 3, and the rigidity strength of the anti-collision beam is increased; the main bending plate 1 is molded by a special mold, the main bending plate 1 can play a role in anti-collision protection, and the anti-collision device has the advantages of simple and practical structure, low cost and unique and elegant appearance; the baffle plates 3 on the two sides are polished smoothly after being welded, so that the anti-collision beam is guaranteed to be welded to the frame and is of a closed cavity structure.

As shown in fig. 2, in the embodiment 2, the main bending plate 1 and the baffle 3 are symmetrically welded at the side beams at the left side and the right side of the upper frame, so that effective protection can be formed for the side beams of the upper frame, the connection between the upper end of the main bending plate 1 and the side beams is continuously welded, the connection between the baffle 3 and the side beams is continuously welded, the airtight box structure formed by the anti-collision beams and the side beams is guaranteed to play roles of waterproofing and the like, the connection between the lower end of the inclined surface of the main bending plate 1 and the side beams is intermittently welded, glue is applied to the non-welded part, the influence of welding deformation on the side beams is reduced, the length of the main bending plate 1 is slightly shorter than the length of the side beams, welding spaces are reserved at two sides, and gaps are reserved between the lower side and the bent parts of the side beams, so that the welding is convenient to implement; the whole triangle anti-collision beam structure and the upper frame side beam form a totally enclosed integrated structure, the structural strength is high, Q355B strength steel plates are adopted as materials, the anti-collision and anti-deformation effects are achieved, and other materials are the same as those in the embodiment 1.

As shown in fig. 3-5, in the embodiment 3, an anti-collision beam structure of an excavator, a fixing hole is arranged on the inclined plane of a main bending plate 1 at the left side edge beam of an upper frame, a fixing nut 5 is welded at the fixing hole at the inner end of the inclined plane, a walking channel pedal 7 is connected with the inclined plane through a connecting bracket 4, and a bolt 6 and the fixing nut 5 are matched to fasten the walking channel pedal 7; the linking bridge 4 be the plate of bending, the plate both sides of bending are equipped with the reinforcing plate, be equipped with the through-hole that is used for bolt 6 to pass on the plate of bending, adopt this structure fixed walking passageway footboard 7, can provide the region that the person stood, when needs maintenance, operating personnel can stand in this region, owing to adopt bolt 6 to be connected between walking passageway and the crashproof roof beam simultaneously, the dismantlement and the change of walking passageway of being convenient for, other the same with embodiment 2.

Claims

1. An excavator anticollision roof beam structure, its characterized in that: including main bent plate (1), main bent plate (1) both ends are equipped with baffle (3), and main bent plate (1) interior terminal surface is equipped with a plurality of deep floor (2), is airtight cavity structure between main bent plate (1), baffle (3) and the frame.

2. The excavator anti-collision beam structure of claim 1, wherein: the main bent plate (1) and the baffle (3) are symmetrically welded at the left side edge beam and the right side edge beam of the upper frame, the connection part of the upper end of the main bent plate (1) and the edge beam is continuously welded, the connection part of the baffle (3) and the edge beam is continuously welded, and the connection part of the inclined surface lower end of the main bent plate (1) and the edge beam is discontinuously welded.

3. The excavator anti-collision beam structure of claim 2, wherein: the main bent plate (1) at the left side beam of the upper frame is provided with a fixed hole, a fixed nut (5) is welded at the fixed hole at the inner end of the inclined plane, and a walking channel pedal (7) is connected with the inclined plane through a connecting bracket (4).

4. The excavator anti-collision beam structure of claim 3 wherein: the connecting support (4) is a bending plate, reinforcing plates are arranged on two sides of the bending plate, and through holes are formed in the bending plate.