KR102206342B1 - Vibrator for excavating machine - Google Patents

Abstract

A vibration device for excavators is introduced.
To this end, in the vibration apparatus for an excavator, the present invention includes a body portion having a receiving portion inside, a vibration body portion accommodated in the body portion and elevating and descending, and a tool equipment detachably attached to the lower portion of the vibration body portion, The body part has a first link fastening hole and a roller fastening hole located above the first link fastening hole and an insertion hole formed at one side, and the vibration body part has a second link fastening hole formed at one side, and toward the insertion hole. A roller guide part is inserted, and a roller that can guide the lifting and lowering of the vibration body part is fastened to the roller guide part, and the roller guide part is positioned so as to improve adhesion between the roller and the vibration body part, and the roller It includes a damper portion for closely contacting the guide portion toward the vibration body portion.

Description

Vibration device for excavator {VIBRATOR FOR EXCAVATING MACHINE}

The present invention relates to a vibration device for an excavator, and more particularly, to a vibration device for an excavator having a new structure capable of preventing a gap between a vibration body and a roller.

In general, an excavator refers to heavy equipment used in various other construction sites such as roads, bridges, and new construction and crushing of buildings, and has an advantage of improving work efficiency because it exhibits superior power compared to manpower.

In such an excavator, a driving means such as a track or a wheel is provided at the lower portion of the vehicle body to enable magnetic driving, and a boom capable of bending, rotating, and lifting operation to function like a human arm is mounted in the front of the vehicle body. At the end of the boom, various tooling equipment is installed according to the nature of the work.

On the other hand, the applicant of the present invention will be described in detail below, but was implemented with reference to the patent '10-1461597' registered by the present applicant.

In particular, although the technique shown in FIG. 3 was implemented, the adhesion between the rolling member 83 and the sliding plate 81 has been a problem, and it is more difficult to implement the optimal diameter of the rolling member 83 in reality. There was a problem that the member 83 was idle inside.

As a result, there is a problem in that the working efficiency is deteriorated, such as vibration occurs in the vibration body 200 as well as noise due to the vibration.

KR 10-1461597 (registered on November 7, 2014)

The present invention provides a vibration device for an excavator of a new structure that prevents the gap between the vibration body and the roller that guides the elevating movement of the vibration body, and further implements a roller guide that can be selectively fastened. There is a purpose.

A vibration device for excavators is introduced.

To this end, in the vibration apparatus for an excavator, the present invention includes a body portion having a receiving portion inside, a vibration body portion accommodated in the body portion and elevating and descending, and a tool equipment detachably attached to the lower portion of the vibration body portion, The body part has a first link fastening hole and a roller fastening hole positioned above the first link fastening hole and an insertion hole formed at one side, and the vibration body part has a second link fastening hole formed at one side, and toward the insertion hole. A roller guide part is inserted, and a roller that can guide the lifting and lowering of the vibration body part is fastened to the roller guide part, and the roller guide part is positioned so as to improve adhesion between the roller and the vibration body part, and the roller It includes a damper portion for closely contacting the guide portion toward the vibration body portion.

According to the present invention having the above configuration, noise is reduced by preventing the gap between the vibration body and the roller in advance, and the failure rate due to the gap is significantly reduced, as well as abnormality of the vibration isolating member due to low air pressure. Various effects are implemented, such as preventing the phenomenon in advance.

1 is an overall fastening diagram of the present invention,
2 is a view before assembly of a body part, a vibration body part, and a roller guide part, which are components of the present invention;
3 is a schematic diagram that was carried out by the present applicant before the present invention,
4 and 5 are configuration diagrams for explaining a roller guide part, which is a component of the present invention,
6 is a view for explaining that the roller guide portion is fastened by a cover, one or more small dampers, bearings, and one or more O-rings;
7 and 8 are views for explaining a damper part, which is a component of the present invention;
9 is a view of a link unit that is a component of the present invention,
10 is a view of a vibration body that is a component of the present invention,
11 is a side view of an element of the present invention.

Hereinafter, a preferred embodiment of a vibration device for an excavator of the present invention will be described with reference to the accompanying drawings.

1 is an overall fastening diagram of the present invention, and FIG. 2 is a view before assembly of a body part 100, a vibration body part 200, and a roller guide part 400, which are one component of the present invention.

As shown in the present invention, the present invention includes a body part 100 having a receiving part inside, a vibration body part 200 that is accommodated in the body part 100 to elevate and descend, and a detachable part under the vibration body part 200 It relates to a vibration device for an excavator including the tool equipment (300, see Fig. 11).

In the body part 100, a pair of first link fastening holes 110 are formed in the lower right side, and a pair of roller fastening holes 120 are also formed above the first link fastening hole 110. In addition, a separate pair of roller fastening holes 120 is also formed at a position corresponding to the pair of roller fastening holes 120 (in the horizontal direction on the left side of the drawing).

In addition, a rectangular insertion hole 130 is formed at one side of the body 100, and the roller guide part 400 is inserted into the insertion hole 130.

When the vibration body 200 is operated while vibrating vertically by the operation of the first eccentric member 111 and the second eccentric member 112 to be described below, the roller 410 formed in the roller guide unit 400 vibrates. It closely adheres or guides the elevating movement of the body part 200.

Although not shown in the drawings, the following description will be made with reference to patent '10-1461597' registered by the present applicant.

The present invention also includes a reducer, and this reducer is coupled to a hydraulic motor to rotate by driving the hydraulic motor.

Although not shown in the drawing, the first eccentric member includes a first rotation shaft, a first gear part, and a first eccentric weight, and the first rotation shaft is supported by a bearing on a support plate of the vibration body part 200. The first gear portion and the first eccentric weight are coupled to the first rotation shaft, and the first eccentric weight is coupled to be eccentric to the first rotation shaft.

The second eccentric member includes a second rotation shaft, a second gear portion, and a second eccentric weight, and the second rotation shaft is supported by a bearing on the support plate of the vibration body 200. The second gear unit and the second eccentric weight are coupled to the second rotation shaft, and the second eccentric weight is coupled to the second rotation shaft so as to be eccentric.

Accordingly, the reduction gear unit engages and interlocks with the first gear unit, and the first gear unit engages and interlocks with the second gear unit. That is, the reduction gear unit rotates by the drive of the hydraulic motor, the first gear unit rotates by the rotation, and finally the second gear unit engaged with the first gear unit rotates, while the first eccentric member and the second eccentric member By the eccentric operation of the vibration body 200 is to be moved up and down.

The above description is the technical content of the patent '10-1461597' already registered by the present applicant, and the technology is also employed in the present invention.

That is, by the eccentric operation of the first eccentric member 111 and the second eccentric member 112, the vibration body part 200 is raised and lowered, and the lifting motion of the vibration body part 200 through the roller 410 It is either tight or guided.

On the other hand, the vibration body part 200 has a second link fastening hole 140 formed on one side thereof, and a first eccentric member 111 and a second eccentric member for closely contacting the eccentric operation of the vibration body part 200 therein. (112) is formed.

The operation relationship between the first eccentric member 111 and the second eccentric member 112 has been described, so it is omitted here, and a link unit (to be described later) along the first link fastening hole 110 and the second link fastening hole 140 ( 600) is fastened, and the link unit 600 performs a function of preventing vertical distortion according to the elevating movement of the vibration body unit 200.

The roller guide part 400 is inserted into the insertion hole 130, and a roller 410 capable of guiding the elevating movement of the vibration body part 200 described above is fastened to the roller guide part 400.

The structure of the roller guide unit 400 and the roller 410 will be described in detail below.

On the other hand, the damper part 500 is installed adjacent to the roller guide part 400 so as to improve the adhesion between the roller 410 and the vibrating body part 200 so that the roller guide part 400 is in close contact with the vibrating body part 200. ).

For better understanding, a look at the patent '10-1461597' registered by the present applicant is as follows.

Although the present applicant was implementing the technology shown in FIG. 3, the adhesion between the rolling member 83 and the sliding plate 81 has been a problem, and it is more difficult to implement the optimal diameter of the rolling member 83 in reality. There is a problem that the rolling member 83 is idle inside.

As a result, there is a problem in that the working efficiency is deteriorated, such as vibration occurs in the vibration body 200 as well as noise due to the vibration.

Accordingly, the present invention has implemented a roller guide part 400 provided with a roller 410 that can be easily and selectively fastened by a user, and furthermore, a vibration body part ( A damper unit 500 capable of pushing the roller 410 toward the vibrating body 200 is introduced so that the roller 410 in close contact with the 200 is continuously in close contact with the vibrating body 200.

A detailed description of the damper unit 500 will be described later.

4 and 5 are configuration diagrams for explaining the roller guide unit 400, which is a component of the present invention.

The roller guide part 400 is formed of a shaft housing 430 having a pair of fastening holes formed in the bent portion while being bent toward one side.

In addition, the roller 410 penetrates through the shaft bush 411 and the bush 412 located on both sides of the shaft bush 411 and the shaft bush 411 that are fastened to the pair of fastening holes 420 It includes a shaft 413 to be inserted.

The shaft 413 is inserted into the shaft bush 411, and a pair of fastening holes 420 is positioned to correspond to the position of the insertion hole 130 of the body 100, and as shown in FIG. It is fastened by the above covers (7, 19), one or more small dampers (23, 24), bearings 51 and one or more O-rings (56, 57).

Figure 6 also shows one or more covers (7, 19), one or more small dampers (23, 24), bearings (51) and one or more O-rings (56, 57) fastened to the opposite shaft.

The roller 410 including the shaft bush 411 and the shaft 413 guides the elevating movement of the vibration body 200 while contacting the outer surface of the vibration body 200.

Hereinafter, a damper part 500, which is a component of the present invention, will be described with reference to FIGS. 2 and 7.

The damper part 500 is in close contact with the outer surface of the vibration body part 200 when the vibration body part 200 moves up and down to prevent the occurrence of a gap between the vibration body part 200 and the roller 410 It is characterized in that it is composed of a plate 520 in which at least one first damper 510 is installed to apply an elastic force to the shaft housing 430 so as to be formed.

As already described, the applicant of the present invention was implementing the technology shown in FIG. 3 among the patent '10-1461597' registered by the present applicant, but the adhesion between the rolling member 83 and the sliding plate 81 has been a problem, Further, it is difficult to implement the optimal diameter of the rolling member 83 in reality, so that the rolling member 83 has a problem in which the rolling member 83 is idle inside.

In consideration of this, the roller guide part 400 and the roller 410 that the user can selectively insert were derived, and furthermore, the roller 410 is used to promote adhesion between the roller 410 and the vibrating body part 200. ) Has been disclosed to the damper unit 500 that can be in close contact with the vibration body unit 200 side.

The first damper 510 may be made of a rubber or polyurethane material, and a gas may be filled therein according to a user's selection, and a buffering action may be implemented by an elastic force by the gas.

2 is a view in which two first dampers 510 are attached to the front of the plate 520, and the vibration body part 200 is in contact with the roller 410 mounted on the roller guide part 400 during an elevating movement. The first damper 510 installed on the plate 520 is continuously pushed inward so as to improve adhesion, so that a gap between the vibration body 200 and the roller 410 can be prevented in advance.

7 and 8 are views showing the damper unit 500 in detail.

As shown, the first damper 510 is fixed to the plate 520 via one or more damper bushes 3 and screws 4.

Also, two reinforcing members 530 are installed in the horizontal direction as shown on the outside of the plate 520, and the stiffness of the damper part 500 is achieved through the reinforcing material 530, and the damper part ( 500), too, because the inward pushing action is performed, a vibration phenomenon occurs, so an additional configuration was made for the corresponding rigidity.

The ring formed on one side is installed for convenience of transportation when moving or detaching the corresponding damper part 500.

9 is a diagram of a link unit 600 that is an element of the present invention.

The link unit 600 is configured to prevent distortion of the vibration body 200 in the vertical, left and right directions when the vibration body 200 moves up and down.

As shown in FIG. 2, a second link fastening hole 140 is formed at the lower left of the drawing of the vibration body 200 to fasten the link 600, and the lower right of the body 100 The first link fastening hole 110 is formed to correspond to this.

The link part 600 is fastened along the first link fastening hole 110 and the second link fastening hole 140. As shown in FIG. 9, the first link fastening hole 110 includes at least one roller bearing ( It is rotatably coupled via 2,3), and is rotatably coupled to the second link fastening hole 140 via one or more roller bearings 7 and 8 as shown in FIG. 10.

The link unit 600 includes a connection unit 610 and a link 620 extending from both ends of the connection unit 610 to a predetermined length.

On the other hand, as shown in FIG. 10, one or more reinforcing members 700 protruding downwardly inclined to the lower side of the guide plate 900 to be described below are formed on one side of the vibrating body 200.

A flat plate 710 made of a rubber material is formed at the lower end of the one or more reinforcing members 700, and as shown in FIG. 9, a cushioning force and a vibration body part ( It is characterized in that a separate second damper 720 that can restrict the movement of 200) is protruded.

The second damper 720 is formed of an elastic material having a rhombic cross-section on the upper side thereof, and the lower side of the second damper 720 is formed in a rectangular shape of a steel material. In consideration of durability and rigidity, square and rhombus shapes are adopted, but are not necessarily limited to these shapes.

The second damper 720 and the connection part 610 are fastened via a bolt 5 and a spring washer 6.

The present invention can prevent the vibration body part 200 from descending to a height that the user cannot predict through the above configuration, and in the related art, a separate configuration that limits the descending height of the vibration body part 200 Since this has not been developed, malfunctions and mechanical defects frequently occur due to unpredictable descending of the vibration body unit 200. Accordingly, the present invention solves the conventional problem through one or more reinforcing members 700 and the second damper 720.

Meanwhile, FIG. 11 is a side view illustrating a metal plate 810 and a rubber member 820 to be described below.

Prior to this, as shown in FIG. 10, guide plates 900 are installed on both sides of the vibration body 200 by rolling contact with the rollers 410 to guide the elevating movement of the vibration body 200. To do.

At least one vibration isolating member 800 is installed on the upper side of the vibration body 200, but between the one or more vibration isolating members 800, a metal plate 810 and a rubber member 820 on the top of the metal plate 810 It characterized in that it is installed.

That is, when the air pressure inside the anti-vibration member 800 is low, a so-called compression (dentation phenomenon) phenomenon occurs, and thus, a defect occurs during operation, which may result in a large accident.

Accordingly, in order to prevent mechanical damage in advance even when the air pressure inside the anti-vibration member 800 is low, the metal plate 810 as a kind of support and a rubber member 820 made of a rubber material on the upper side of the metal plate 810 This will be prevented in advance by installing.

Further, although not shown in the drawings, a pressure sensor is installed on one side of the rubber member 820 so that an alarm function is implemented to the user when the air pressure inside the vibration isolating member 800 is low.

100: body part 200: vibration body part
300: tool equipment 400: roller guide part
500: damper part 600: link part
700: reinforcing member 800: anti-vibration member
900: guide plate

Claims (5)

In the vibration apparatus for an excavator comprising a body portion having a receiving portion inside, a vibration body portion accommodated in the body portion to elevate and descend, and tool equipment detachably attached to a lower portion of the vibration body portion,
The body portion is formed with a first link fastening hole and a roller fastening hole located above the first link fastening hole and an insertion hole at one side,
A second link fastening hole is formed on one side of the vibration body part, and a roller guide part is inserted into the insertion hole, and a roller that can guide the lifting and lowering of the vibration body part is fastened to the roller guide part,
The roller guide portion is positioned so as to improve adhesion between the roller and the vibration body portion, and includes a damper portion for closely contacting the roller guide portion toward the vibration body portion,
The roller guide part,
It consists of a shaft housing with a pair of fastening holes formed on both sides,
The roller is characterized in that it comprises a shaft bush fastened to the pair of fastening holes, a bush located on both sides of the shaft bush, and a shaft inserted through the inside of the shaft bush,
The roller is characterized in that while rotating along the outer surface of the vibration body to guide the elevating movement of the vibration body, the vibration device for an excavator. delete The method according to claim 1,
The damper part,
At least one first damper for applying an elastic force to the shaft housing so that the roller can be brought into close contact with the outer surface of the vibration body during an elevating movement of the vibration body to prevent a gap between the vibration body and the roller. It characterized in that it consists of an installed plate,
The first damper and the plate are fixed via one or more damper bushes and screws,
One side of the plate, characterized in that one or more reinforcing material is installed to improve the rigidity, excavator vibration device. The method according to claim 1 or 3,
In order to prevent the distortion of the vibration body portion during elevating movement of the vibration body portion,
A second link fastening hole formed in the vibration body and a link part corresponding to the second link fastening hole and fastened to the first link fastening hole formed in the body,
The link unit,
It consists of a connection portion and a link extending from both ends of the connection portion,
A flat plate supported by at least one reinforcing member protruding while inclined downward is formed on one side of the vibration body,
A vibration device for an excavator, characterized in that a separate second damper protruding from the top surface of the connecting portion to limit movement of the vibration body portion and a buffering force is provided on the plate. The method of claim 4,
The second damper is composed of a cushioning material of an elastic material having a rhombic cross section on the upper side thereof, and the lower side of the second damper is configured in a rectangular shape of a steel material.

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