KR20120095027A - Bracket of manufactur method for hydraulic breaker and the bracket - Google Patents

Abstract

According to the present invention, a bracket having a thick thickness can be sufficiently endured by vibration or external shock, etc., and the hydraulic breaker bracket can reduce productivity and simplify productivity by simplifying the work process. It relates to a manufacturing method and a bracket thereof.

Description

Bracket for manufactur method for hydraulic breaker and the bracket

The present invention relates to a method for manufacturing a bracket for a hydraulic breaker and a bracket thereof, and more particularly to a thick steel sheet "

"Bending sequentially to manufacture a bracket for a breaker relates to a method for manufacturing a bracket for a hydraulic breaker that can improve the durability of the product, reduce manufacturing costs and increase productivity.

Generally, a hydraulic breaker is widely used for crushing concrete or rock by mounting it on construction equipment such as an excavator or a loader. By hitting the piston while moving up and down to break the concrete and rock by the impact force.

Patent Application Publication No. 10-2008-83492 'Hydraulic breaker housing is composed of a breaker housing, the housing is formed on both sides of the side bracket and the front plate is fixed to the front of the side bracket is installed The rear plate is fixedly installed at the rear and the upper and lower plates are fixedly installed. As described above, the front and rear plates are joined to the front and rear of the bracket by welding, and thus, when installed in an excavator, the welded part easily cracks or breaks due to vibration or external impact, and thus loses its own function. there was.

As shown in Fig. 1 and 2, the side bracket (2) is provided on both sides of the conventional breaker body (1), the side bracket (2) before and after the state in which the breaker body (1) is located in the center It can be seen that the four bolts (8) and the nut (4). In this conventional technique, the breaker main body 1 is exposed to the front and rear, so that the exposed part of the breaker main body 1 may be damaged due to an obstacle during the excavation work, and the bolts 3 which fasten both side brackets 2 may be damaged. ) Is often deformed by hitting an obstacle, and when the bolt 3 is deformed, it is difficult to disassemble and assemble the side bracket 2 later.

The present invention for solving the above problems can be enough to withstand the vibration or external impact, such as by manufacturing a thick bracket in the 'c' shape, to reduce the manufacturing cost and increase productivity by simplifying the work process Provided are a method for manufacturing a bracket for a hydraulic breaker, and the bracket.

Hydraulic breaker bracket manufacturing method and the bracket of the present invention for solving the above problems is a first step of cutting the iron plate of 9 ~ 30 thickness (t); A second step of bending the cut iron plate at 90 degrees to form a first bent portion; A third step of forming a second bent portion by bending at 30 to 45 ° at a predetermined interval from the first bent portion; A fourth step of gradually bending the iron plate by a bending machine bending in an uneven manner to bend the portion of the second bent portion by 90 °; The fifth step of cutting and post-processing the processed product produced by the fourth step.

Therefore, the method for manufacturing the hydraulic breaker bracket and the bracket of the present invention can sufficiently withstand the vibration or external shock, etc., by manufacturing the thick bracket in the 'c' shape, and reduce the manufacturing cost by simplifying the work process. In addition, there is an effect that can increase the productivity.

1 is a side view of a conventional hydraulic breaker,
Figure 2 is a front view showing a bracket of a conventional hydraulic breaker
3 and 4 is a schematic process diagram showing a bracket for a breaker according to the present invention,
5 is a perspective view showing a bracket for a breaker according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 to 5, the method for manufacturing a hydraulic breaker bracket of the present invention and the bracket is a first step (S1) for cutting the iron plate (F), and the first bent portion in the cut iron plate (F) ( 12) the second step (S2) to form, the third step (S3) to form the second bent portion 22 on the iron plate (F), and the iron plate (F) by the bending machine to gradually press the second And a fourth step S4 of bending the bent portion 22 by 90 °, and a fifth step S5 of cutting and post-processing the processed product manufactured through the fourth step S4.

The first step S1 cuts the iron plate F having a thickness of 9 to 30 to a predetermined size.

The second step (S2) is after placing the iron plate (F) in the bending machine consisting of the produced jig 10 and the pressing member 11, the iron plate (F) by the jig 10 and the pressing member (11). Bend to 90 ° to form the first bent portion 12.

The jig 10 and the pressing member 11 is formed in a '' 'orthogonal shape of the jig 10 and the pressing member 11 is bent to each other while bending the iron plate (F).

In the third step S3, after placing the iron plate F on which the first bent portion 12 is formed, the presser 20 is pressed with the jig 20 and the pressing member 21. The second bending portion 22 is formed by bending the iron plate F at 30 ° to 45 ° by the member 21.

One side of the jig 20 and the pressing member 21 is formed to be orthogonal, the other side is formed to be inclined at 30 ~ 45 ° is pressed to each other bend the iron plate (F).

The fourth step (S4) is arranged after the iron plate (F) having the first and second bent portions (12, 22) in the bending machine consisting of the produced jig 30 and the pressing member 31, the jig The iron plate F is gradually pressed by the 30 and the pressing member 31 to bend the portion of the second bent portion 22 by 90 °.

The jig 30 is'

'It has a shape, and the pressing member 31 is provided in the inside of the jig 30 is configured to be pressed up and down while being compressed to each other.

The fifth step (S5) is to form a bracket (B) for cutting and post-processing the workpiece produced in the fourth step (S4) to a predetermined shape.

As described above, the present invention is a method for manufacturing a hydraulic breaker bracket and the bracket sequentially by bending a thick steel plate (F) "

"Because it is manufactured in a shape, it is durable enough to withstand vibration and external shocks, and bending is performed by a bending machine, thereby reducing manufacturing costs and increasing productivity.

As described above, various design changes may be attempted within the same scope as the problems of the present invention, but unless such design changes show no unexpected new effects in the present invention, the scope of the present invention may not be exceeded. will be.

S1: first step S2: second step
S3: Third Step S4: Third Step
S5: Stage 5

Claims (2)

A first step S1 of cutting the iron plate F having a thickness of 9 to 30 t;
A second step S2 of forming the first bent part 12 by bending the cut iron plate F at 90 °;
A third step (S3) of forming a second bent portion 22 by bending at 30 to 45 ° at a predetermined interval from the first bent portion 12;
A fourth step (S4) of gradually bending the iron plate F by a bending machine bending in an uneven manner to bend the portion of the second bent portion 22 by 90 °;
Hydraulic breaker bracket manufacturing method comprising a fifth step (S5) for cutting and post-processing the product produced through the fourth step (S4).
The first and second bent portions 11 and 22 are formed on the iron plate F having a thickness of 9 to 30 t.

"Brackets for hydraulic breakers with a ruler shape.

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