KR200170023Y1 - Fixing structure for breaker piping of excavator - Google Patents

Abstract

Separate the bucket from the excavator according to the working conditions, and then fix the breaker drive hydraulic piping on the outside of the boom and arm to enable the operation of the breaker. It is to be fixed with.

The present invention is to remove the bucket from the excavator and to install the breaker to fix the hydraulic pipe for supplying the working pressure to the breaker during operation, the brackets mounted on both sides of the boom upper surface, and the arm cylinder is fixed to the bracket And a first clamp for holding and supporting the hydraulic pipe for supplying the working pressure to the bucket cylinder, and a second clamp for fixing the hydraulic pipe for supplying the working pressure to a breaker fixed to one side of the first clamp and selectively mounted on the arm. do.

For this reason, when the excavator's bucket is separated from the arm according to the working conditions and then the breaker is selectively mounted on the arm, the hydraulic pipe for operating the arm cylinder and the bucket cylinder when fixing the hydraulic pipe for supplying the working pressure to the breaker is installed. To improve the workability. To prevent breakage of the boom and arm strength by welding the fixing bracket to the working device of the excavator for fixing the hydraulic pipe for the breaker drive.

Description

Breaker piping installation structure of excavator

The present invention relates to a breaker pipe mounting structure of an excavator, and more specifically, to remove the bucket from the excavator according to the working conditions, and then to operate the breaker on the outside of the boom and the arm so that a breaker (breaker) can be mounted. It relates to a breaker pipe mounting structure of an excavator that can be selectively fixed to a clamp for fixing the arm and the bucket cylinder drive hydraulic pipe when fixing the hydraulic pipe.

As schematically shown in Fig. 1, a general crawler excavator is left and right by a lower traveling body 1 on which the crawler track T is mounted and a turning device mounted on the lower traveling body 1. Boom that is rotatably mounted in a direction and that the cab 2 is mounted on one side, and that one end thereof is rotatably fixed to the upper pivot 3 so that the boom cylinder 4 is rotated when the boom cylinder 4 is driven. (5) and one end is pivotally fixed to the other end of the boom (5) arm arm (6) is rotated during operation and the arm cylinder (7) is fixed to the link movement to the other end bucket cylinder (8) It includes a work device 10 made up of a bucket 9 that operates when driven.

By using an excavator as described above, it is possible to remove the bucket 8 from the above-described arm 7 according to the working conditions and selectively mount a breaker (not shown) to perform bridge, building, and rock breaking work.

However, as shown schematically in FIG. 2, the hydraulic boom 12 for supplying its driving working pressure to an unshown breaker selectively mounted to the arm 7 described above is provided with the boom 5 and the arm described above. When fixing to (7), the brackets (15, 16) and the clamp (C1,) for holding the hydraulic cylinder (13, 14) for supplying the operating pressure for the arm cylinder (6) and the bucket cylinder (8) described above C2) is fixed to the boom 5 and the arm 7 by using a separate bracket 19 and a clamp 17.

That is, the hydraulic piping (13, 14) for supplying the operating pressure to the above-described arm cylinder (6) and bucket cylinder (8) is a bracket (mounted on both sides of the upper surface of the boom (5) and the arm (7) when the excavator is first manufactured) 15, 16) and clamps (C1, C2), the hydraulic pipe 12 for supplying the working pressure to the breaker is a separate bracket (19) mounted on one side of the boom (5) and the arm (7) and It is fixed using the clamp 17.

At this time, the above-mentioned bracket for fixing the hydraulic pipe 12 of the breaker 19 is fixed to the boom 5 and the arm 7 by welding after completion of the painting work of the boom 5 and the arm 7, welding The repainting of the site has a problem of poor workability and a problem of dropping the lateral strength of the boom 5 and the arm 7 due to the welding force generated during welding.

In addition, Japanese Laid-Open Utility Model Publication No. 57-137677 discloses a "pipe construction for working oil of dry machine". This is when the hydraulic cylinder for driving the arm cylinder and the bucket cylinder of the excavator to the boom is welded two pieces of sheet metal formed in parallel with the spheres to seal the space between the joints are integrally connected.

In addition, Japanese Laid-Open Utility Model Publication No. 61-159449 discloses "hydraulic pipe mounting structure of industrial equipment." This is fixed by sinking so that the hydraulic pipe for driving the body and the work device in the skid loader is not exposed to the outside of the body surface.

Therefore, the object of the present invention is to separate the bucket from the excavator according to the working conditions, and then to work with the optional breaker, the hydraulic cylinder for driving the arm cylinder and bucket cylinder when fixing the hydraulic pipe for supplying the working pressure to the breaker It is to provide a breaker pipe mounting structure of an excavator that is selectively fixed to the bracket for fixing the pipe to improve workability.

Another object of the present invention is to provide a breaker pipe mounting structure of an excavator which can prevent the strength of the boom and the arm from being lowered due to fixing the hydraulic pipe for driving the breaker.

1 is a side view of a typical crawler excavator,

Figure 2 is a schematic perspective view of the breaker pipe mounting structure of the excavator according to the prior art,

Figure 3 is a schematic perspective view of the breaker pipe mounting structure of the excavator according to the present invention.

* Explanation of symbols used in the main part of the drawing

1: lower running body 3: upper turning body

5: boom 6: arm cylinder

7: arm 8: bucket cylinder

9: bucket 12, 13, 14: hydraulic piping

20: bracket 22: first clamp

24: fastening member 26: second clamp

28: fastening member

The object of the present invention described above is to fix the hydraulic pipe for supplying the working pressure to the breaker during operation by separating the bucket from the excavator and mounting the breaker, the brackets mounted on both sides of the boom upper surface, and fixed to the bracket And a first clamp for holding and supporting the hydraulic pipe for supplying the working pressure to the arm cylinder and the bucket cylinder, and for fixing the hydraulic pipe for supplying the working pressure to the breaker fixed to one side of the first clamp and selectively mounted to the arm. It is achieved by providing a breaker pipe mounting structure of an excavator, characterized in that it is provided with two clamps.

At this time, preferably, the above-mentioned first and second clamps may be formed to have a rounded concave contact surface with the hydraulic pipe.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to be described in detail to be easily carried out by those skilled in the art in order to facilitate understanding of the present disclosure. For this reason, the technical scope of the present invention is not limited.

As shown in Fig. 3, the lower traveling body 1 on which the tracked track T is mounted and the turning device mounted on the lower traveling body 1 are rotatably mounted in the left and right directions, and the cab (2) the upper swing structure (3) is mounted on one side, one end is fixed to the upper swing structure (3) to be rotatable, the boom (5) to rotate when driving the boom cylinder (4), one end is the boom (5) The arm cylinder (7) rotated when the arm cylinder (6), which is fixed to the other end and is supplied with the working pressure through the hydraulic pipe (13), is mounted to the link movement on the other end of the arm (7). Including a work device 10 made up of a bucket 9 which is operated when driving the bucket cylinder 8 through which the working pressure is supplied through 14) is applied substantially the same as that shown in FIG. The description is omitted and overlapping reference numerals are indicated to be the same.

Therefore, according to a preferred embodiment of the present invention, the hydraulic pipes (13, 14) for supplying the operating pressure to the arm cylinder (6) and the bucket cylinder (8) on the upper left and right sides of the boom (5) and the arm (7) described above. The supporting bracket 20 is fixed by welding or the like, and the plate-shaped first clamp 22 for fixing the hydraulic pipes 13 and 14 described above with respect to the bracket 20 is fixed as the fastening member 24. . The second clamp 26 fixing the hydraulic pipe 12 for supplying the working pressure to the breaker selectively mounted to the arm 7 on one side of the first clamp 22 described above is fixed as the fastening member 28.

Referring to the method of using the breaker pipe mounting structure of the excavator according to the embodiment of the present invention is configured as follows.

While working with an excavator, the bucket (9) is separated from the arm (7) according to the working conditions, and then a breaker (not shown) can be selectively mounted on the arm (7) to perform bridge, building, and rock breaking work. In this case, the breaker is driven by the operating pressure supplied through the hydraulic pipe 12 fixed on the boom 5 and the arm 7 described above.

At this time, the above-described hydraulic pipe 12 is a second clamp fixed to the first clamp 22 is fixed to the hydraulic cylinder (13, 14) for supplying the operating pressure to the arm cylinder (6) and the bucket cylinder (8) It is fixed to the boom 5 and the arm 7 by the 26. This eliminates the need for additional work such as welding in order to fix the hydraulic pipe 12 for supplying the working pressure to the breaker described above to the boom 5 and the arm 7.

As described above, according to a preferred embodiment, when the bucket of the excavator is separated from the arm according to the working conditions, and then the breaker is selectively mounted on the arm, the hydraulic pipe for supplying the working pressure to the breaker is fixed. It is to improve the workability by fixing the cylinder and the bucket cylinder driving hydraulic pipe to the bracket.

In addition, to prevent breakage of the strength of the boom and the arm by welding the fixing bracket to the working device of the excavator for fixing the breaker drive hydraulic pipe, it is possible to improve the reliability of the product.

Claims (1)

(Correct) In the case of detaching the bucket from the excavator and mounting the breaker to fix the hydraulic pipe for supplying the working pressure to the breaker in operation: a bracket mounted on both sides of the boom upper surface; A first clamp fixed to the bracket to fix and support a hydraulic pipe for supplying an operating pressure to the arm cylinder and the bucket cylinder; And a second clamp fixed to one side of the first clamp to fix a hydraulic pipe for supplying a working pressure to a breaker selectively mounted to the arm.