CN216475303U

CN216475303U - Excavator protector

Info

Publication number: CN216475303U
Application number: CN202122553231.3U
Authority: CN
Inventors: 钱继辉; 薛晗; 石子贡; 李培; 宾旭洲; 韦汉科
Original assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd; Liuzhou Liugong Excavators Co Ltd
Current assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd; Liuzhou Liugong Excavators Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-05-10
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to an excavator, and aims to solve the problem that the pipeline of a movable arm oil cylinder and the glass on the right side of a cab are easily damaged by splashed materials due to the fact that the front side of the movable arm oil cylinder of the existing excavator is not protected, the excavator comprises a movable arm of which the lower end is connected with a rotary platform, and movable arm oil cylinders respectively located on two sides of the movable arm, wherein the lower end of each movable arm oil cylinder is hinged with the rotary platform, the upper end of each movable arm oil cylinder is hinged with the movable arm, the lower end of each movable arm oil cylinder is located on the front side of the lower end of the movable arm, the protection device comprises a protection plate and an installation support, the installation support is fixedly installed on the lower portions of cylinder barrels of the two movable arm oil cylinders, the protection plate is fixed on the installation support and located on the front side of the movable arm oil cylinder, and the protection plate shields a gap between the lower portions of the two movable arm oil cylinders. In the utility model, a protection plate is arranged at the lower part between the two movable arm oil cylinders to prevent materials from splashing to the lower end direction of the movable arms, thereby preventing the materials from damaging a movable arm connecting pipeline between the movable arm oil cylinders and preventing the splashed materials from damaging the right glass of a cab.

Description

Excavator protector

Technical Field

The present invention relates to an excavator, and more particularly, to an excavator guard.

Background

The excavator is a common engineering machine, and the working device of the excavator comprises a movable arm, a bucket rod and an accessory, wherein the lower end of the movable arm is hinged to a rotary platform, the bucket rod is hinged to the top end of the movable arm, and the accessory is installed at the lower end of the bucket rod. A boom cylinder is connected between the boom and the rotary platform, and the boom cylinders are usually two and are respectively arranged on both sides of the boom and usually located on the front side of the lower portion of the boom. The connecting pipeline between the large cavity and the small cavity of the movable arm oil cylinder and the control valve is connected to the space between the two movable arm oil cylinders, a pipeline bracket is arranged at the position close to the lower part between the two movable arm oil cylinders, and a pipe clamp is arranged on the pipeline bracket and used for fixing the connecting pipeline of the movable arm oil cylinders.

The bucket is a common accessory of the excavator, the bucket moves from front to back when the bucket performs excavation operation, when the bucket is close to the boom cylinder, the bucket may stop moving due to the limit protection of the excavator, but materials, such as stones, shoveled in the bucket may fly out of the bucket due to inertia and impact on the boom cylinder and a pipeline between the boom cylinders, so that the pipeline is damaged. In addition, the splashed material may fly to the right side of the cab through a space between the two movable arms, and even the right glass may be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides an excavator protection device, aiming at solving the technical problem that the pipeline of a movable arm oil cylinder and the right glass of a cab are easily damaged by splashed materials because the front side of the movable arm oil cylinder of the existing excavator is not protected, and the problem that the pipeline of the movable arm oil cylinder and the right glass of the cab are easily damaged by the materials is solved.

The technical scheme for realizing the purpose of the utility model is as follows: the protection device is characterized by comprising a protection plate and a mounting support, wherein the mounting support is fixedly mounted at the lower part of a cylinder barrel of the movable arm oil cylinder, the protection plate is fixed on the mounting support and positioned at the front side of the movable arm oil cylinder, and the protection plate shields a gap between the lower parts of the two movable arm oil cylinders. In the utility model, a protection plate is arranged at the lower part between the two movable arm oil cylinders to prevent materials from splashing to the lower end direction of the movable arms, thereby preventing the materials from damaging a movable arm connecting pipeline between the movable arm oil cylinders and preventing the splashed materials from damaging the right glass of a cab.

In the excavator protection device, the mounting bracket comprises an upper support and a lower support, and the upper part and the lower part of the protection plate are correspondingly and fixedly connected with the upper support and the lower support.

In the excavator protection device, the upper support and the lower support both comprise a left fixing seat and a right fixing seat, the left fixing seat and the right fixing seat are correspondingly fixed on the left movable arm cylinder barrel and the right movable arm cylinder barrel, the left fixing seat and the right fixing seat are respectively composed of a clamp fixed on the movable arm cylinder barrel and a supporting seat fixed on the clamp, and the protection plate is fixedly connected with the supporting seat.

In the excavator protection device, the hoop is composed of two semicircular hoop plates fixedly connected at the end parts through bolts, one end of the supporting seat is fixedly connected with one semicircular hoop plate, and the other end of the supporting seat extends to the middle part of a gap between the two movable arm oil cylinders.

Among the above-mentioned excavator protector, one end is connected with the supporting seat that corresponds through the hinge in the upper and lower both ends of guard plate, and the other end passes through bolt and supporting seat fixed connection.

Among the above-mentioned excavator protector, the supporting seat of left fixing base and the supporting seat of right fixing base are interconnect's integrative structure in the same support.

In the excavator protection device, the protection plate is a punched grid plate. Or the protection plate is composed of a frame and a grid or a screen fixed in the frame.

In the excavator guard device, the width of the guard plate in the left-right direction is larger than the width between the opposite sides of the two boom cylinders.

Compared with the prior art, the utility model has the advantages that the lower part between the two movable arm oil cylinders is provided with the protection plate to block the passage of splashed materials which splash backwards through the gap between the two movable arm oil cylinders, thereby avoiding the materials from damaging the movable arm connecting pipeline between the movable arm oil cylinders and preventing the splashed materials from damaging the right glass of the cab.

Drawings

FIG. 1 is a schematic view of the present invention guard mounted on an excavator.

Fig. 2 is a schematic structural view of the excavator guard of the present invention.

Fig. 3 is a schematic structural view of a fixing base in the protection device of the present invention.

Fig. 4 is a schematic view of a second construction of the guard of the present invention.

Part names and serial numbers in the figure:

the hydraulic boom-type hydraulic boom system comprises a rotary platform 10, a cab 11, a boom cylinder 12, a boom cylinder connecting pipeline 13, a protection device 20, a frame 21, a screen 22, a punched grid plate 23, a fixed seat 30, a first hoop plate 31, a second hoop plate 32, a supporting seat 33 and bolts 40.

Detailed Description

The following description of the embodiments refers to the accompanying drawings.

As shown in fig. 1, the excavator includes a boom having a lower end connected to a swing platform 10, and boom cylinders 12 respectively located at both sides of the boom, wherein the lower end of the boom cylinder 12 is hinged to the swing platform 10, the upper end is hinged to the boom, and the lower end of the boom cylinder 12 is located at a front side of the lower end of the boom.

As shown in fig. 2, the guard 20 in this embodiment is installed at the lower part of the boom cylinder of the excavator, and is used for closing the gap at the lower part between the boom cylinders and preventing splashed materials from splashing through the gap to damage the boom cylinder pipeline and the right glass of the cab. The protection device 20 includes a protection plate 23 and a mounting bracket, the mounting bracket is fixedly mounted at the lower portion of the cylinder barrel of the two boom cylinders 12, the protection plate 23 is fixed on the mounting bracket and located at the front side of the boom cylinders 12, and the protection plate 23 shields the gap at the lower portion between the two boom cylinders.

FIG. 3 shows, the installing support includes upper bracket and undersetting, the equal left fixing base of upper bracket and undersetting constitutes with right fixing base, left side fixing base and right fixing base are as shown in FIG. 3, every fixing base 30 comprises clamp and the supporting seat 33 of fixing on the clamp, the clamp comprises two first hoop board 31 of semicircle and second hoop board 32 that pass through bolt mutual fixed connection at the tip, the one end and the second hoop board 32 fixed connection of semicircle of supporting seat 33, the other end extends to the middle part of the space between two swing arm hydro-cylinders 12. The fixing seat 30 is fixed on the cylinder of the movable arm cylinder through a clamp.

As shown in fig. 2, the shielding plate 23 is composed of a frame and a mesh fixed in the frame. The upper part and the lower part of the protection plate 23 are fixedly connected with the upper support and the lower support respectively through bolts.

In the utility model, in the upper support, the support seat of the left fixing seat and the support seat of the right fixing seat can be connected with each other to form an integral structure. In the same way, in the lower support, the supporting seat of the left fixing seat and the supporting seat of the right fixing seat can be connected with each other to form an integral structure of the lower support.

In the present invention, the protection plate 23 may also be composed of a left protection plate 231 and a right protection plate 232, and both the left protection plate 231 and the right protection plate 232 are punched grid plates. As shown in fig. 4, the upper end of the left protection plate 231 is connected with the left fixing seat in the upper support through a hinge, and the lower end of the left protection plate 231 is connected with the left fixing seat in the lower support through a bolt; the upper end of the right protection plate 232 is connected with a right fixing seat in the upper support through a hinge, and the lower end of the right protection plate 232 is connected with a right fixing seat in the lower support through a bolt; the left guard plate 231 and the right guard plate 232 are spliced at the front side of the boom cylinder to close a gap at the lower part between the boom cylinders.

In the embodiment, a protection plate is arranged at the lower part between the two boom cylinders to prevent materials from splashing towards the lower end of the boom, so that the materials are prevented from damaging a boom connecting pipeline between the boom cylinders and the right glass of a cab by the splashed materials.

Claims

1. The utility model provides an excavator protector, excavator include the swing arm that lower extreme and rotary platform are connected, be located the swing arm hydro-cylinder of swing arm both sides respectively, and the lower extreme of swing arm hydro-cylinder is articulated with rotary platform, and the upper end is articulated with the swing arm, and the lower extreme of swing arm hydro-cylinder is located the front side of swing arm lower extreme, and its characterized in that protector includes guard plate and installing support, installing support fixed mounting is in two the lower part of swing arm hydro-cylinder, the guard plate is fixed on the installing support and is located the front side of swing arm hydro-cylinder, the guard plate shelters from the clearance of lower part between two swing arm hydro-cylinders.

2. The excavator guard of claim 1 wherein the mounting bracket includes an upper support and a lower support, the upper and lower portions of the fender being fixedly connected to the upper and lower supports.

3. The excavator protection device of claim 2, wherein the upper support and the lower support each comprise a left fixing seat and a right fixing seat, the left fixing seat and the right fixing seat are correspondingly fixed on the left movable arm cylinder barrel and the right movable arm cylinder barrel, the left fixing seat and the right fixing seat are both formed by a clamp fixed on the movable arm cylinder barrel and a supporting seat fixed on the clamp, and the protection plate is fixedly connected with the supporting seat.

4. The excavator guard of claim 3 wherein the clamp is formed of two semi-circular clamp plates fixedly connected at their ends by bolts, one end of the support base being fixedly connected to one of the semi-circular clamp plates and the other end extending towards the middle of the gap between the boom cylinders.

5. The excavator guard of claim 4 wherein one of the upper and lower ends of the fender is connected to the corresponding support base by a hinge and the other end is fixedly connected to the support base by a bolt.

6. The excavator protection device of any one of claims 3 to 5 wherein the support base of the left mount and the support base of the right mount in the same support are integrally connected to each other.

7. The excavator guard of claim 1 wherein the fender is a perforated grid plate.

8. The excavator guard of claim 1 wherein the fender is comprised of a frame, a grate or screen fixed within the frame.

9. The excavator guard of claim 1 wherein the width of the fender in the left-right direction is greater than the width between opposite sides of the boom cylinders.