KR20120072806A

KR20120072806A - Screening bucket for construction machine

Info

Publication number: KR20120072806A
Application number: KR1020100134702A
Authority: KR
Inventors: 안덕환
Original assignee: 볼보 컨스트럭션 이큅먼트 에이비
Priority date: 2010-12-24
Filing date: 2010-12-24
Publication date: 2012-07-04

Abstract

PURPOSE: A screen bucket for construction equipment is provided to enable the easy replacement, attachment, and detachment of a screen and a bucket frame even if the type or size of materials is changed. CONSTITUTION: A screen bucket for construction equipment comprises a bucket frame(10), a screen unit(20), and fixing members(18). The bucket frame has a lug(11), a lug support(12), side plates(13), and an attack plate(14). The lug is connected to a bucket cylinder. The lug support supports the lug. The screen unit has side pillars(21), a rear curved wall(22), and grid members(26). The rear curved wall is extended from the side pillars. The grid members are formed between the side pillars and the rear curved wall. The fixing members couple the side pillars to the side plates of the bucket frame.

Description

Screening Bucket for Construction Machine

The present invention relates to a screen bucket for a construction machine, and more particularly, for a construction machine improved to be separated and processed in accordance with the size of the material to be screen unit is mounted on the bucket frame driven by the bucket cylinder It is about a screen bucket.

Generally, screen buckets for construction machinery are also called soaking buckets, and are usefully used to treat waste buildings, aggregates, and recycled sand.

As a well-known prior art with respect to the screen bucket, a rotating bucket for an excavator having a hydraulic motor connected to the inside of the frame portion of the bucket and connected to the rear of the rotor is disclosed in Korean Utility Model Publication No. 20-0382838. .

This technology is connected to the rotating body located inside the frame part of the bucket and the hydraulic motor mounted on the rear of the frame part of the bucket supporting the rotating body, and the small size of the rotating body inside the bucket during The material of the particles is discharged and the large particles are configured to remain inside the rotor.

In addition, in order to drive the rotating body, the roller and the hydraulic motor should be separately configured in the frame part of the bucket, and the material contained in the rotating body is subjected to centrifugal force by the rotation of the hydraulic motor. Separation and discharge treatment is carried out, but if the size of the material to be processed is changed, the structure of the rotating body is required.

Therefore, the conventional screen bucket requires structural change and disassembly and assembly of the rotating body according to the type or size of the material, and mechanical structure is required because separate hydraulic motor and mechanical elements for rotation should be installed inside the bucket. There is a problem that becomes complicated.

Accordingly, the present invention has been made to solve the above problems, and provides a screen bucket for construction machinery that can easily perform the replacement and detachment of the screen and the bucket frame even if the type or size of the material is changed. There is a purpose.

Another object of the present invention is to provide a mechanically compact screen bucket for construction machinery by enabling the separation and discharge treatment of materials by hydraulic pressure of the bucket cylinder without the need for a hydraulic motor element.

In order to achieve the above object, the present invention

In the screen bucket for construction machinery,

A bucket frame having a lug connected to the bucket cylinder, a lug supporting portion supporting the lug, a side plate and an attack plate;

A screen unit having a side pillar and a rear curve wall extending bent from the side pillar and a grid member formed between the side pillar and the rear curve wall; And

It characterized in that it comprises a; fixing member for holding and holding the side pillar and the side plate.

In addition, the screen bucket for construction machinery according to the present invention, the grid member is characterized in that it comprises a plurality of extension bars connected in the longitudinal direction of the side pillars to form a predetermined discharge port and cross bars fixed to the extension bar. do.

In addition, the screen bucket for construction machinery according to the present invention, the fixing member is characterized in that it comprises a bolting member or a pin member.

In addition, the fixing member is characterized in that consisting of a fixing clamp or coupler for connecting the side pillar and the side plate.

Screen bucket for construction machinery according to the present invention can be replaced quickly by using a bolt member, a clamp and a coupler at the construction site, the relatively large sand or relatively large size on the outlet of the grid member of the screen unit Large rocks and waste building materials are separated, so there is an advantage in that it is easy to collect by type of material.

In addition, the screen bucket for construction machinery according to the present invention, there is an advantage that can be compactly applied by the bucket cylinder without the need for a separate hydraulic motor or mechanical additional structure for the separation and collection of materials.

1 is an exploded perspective view showing a screen bucket for a construction machine according to an embodiment of the present invention,
Figure 2 is a side view showing the assembled state of the screen bucket for construction machinery according to an embodiment of the present invention,
3 is an enlarged view illustrating main parts of a screen unit and a bucket frame coupled according to an embodiment of the present invention;
Figure 4 is a schematic diagram showing the side of the excavator equipped with a screen bucket on the bucket cylinder according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is an exploded perspective view showing a construction bucket screen bucket according to an embodiment of the present invention, reference numeral 10 is a bucket frame, 11 is a lug, 13 is a side plate, 14 is an attack plate, 16 is a tooth, 18 is a fixing member , 20 is a screen unit, 21 is a side pillar, 22 is a rear curve wall, 23 is an extension bar, and 24 is a cross bar.

1 and 4, a construction bucket screen bucket according to an embodiment of the present invention, in the construction bucket screen bucket, a lug 11 connected to the bucket cylinder 6, and the lug 11 A bucket frame (10) having a lug support (12) for supporting the side plate, a side plate (13) and an attack plate (14);

A screen having a side pillar 21 and a rear curve wall 22 extending bent from the side pillar 21 and a grid member 26 formed between the side pillar 21 and the rear curve wall 22. Unit 20; And

It comprises a; fixing member 18 for holding and holding the side pillar 21 and the side plate (13).

A plurality of teeth 16 and an adapter 15 are attached to the attack plate 14 of the bucket frame 10, and abutment portion of the side plate 13 and the attack plate 14 is provided for strength reinforcement and bonding. The reinforcement plate 17 can be further configured, and such a component can be manufactured in a manner similar to the elements that are typically mounted on an excavator bucket unit.

In addition, the lug 11 is provided with a link or pin coupling holes (11a, 11b) to be coupled to the known bucket cylinder (6) in a joint structure.

Meanwhile, the grid member 26 includes a plurality of extension bars 23 connected in the longitudinal direction of the side pillars 21 and cross bars fixed to the extension bars 23 to form a predetermined outlet 25. 24). The longitudinal direction of the side pillar 21 described above means a direction corresponding to the longitudinal direction of the side plate 13 of the bucket frame 10.

In removing and attaching the side pillar 21 and the side plate 13, the fixing member 18 includes a bolting member or a pin member.

However, according to another embodiment of the present invention, the fixing member 18 may be composed of a fixing clamp or coupler for connecting the side pillar 21 and the side plate 13, which is the screen unit 20 It will be understood that those skilled in the art can selectively deform in consideration of the load required between the side pillar 21 and the side plate 13 due to the weight of the material during the separation process of the material contained in the inside.

In FIG. 4, reference numeral 1 denotes an cab of an excavator, 2 an engine compartment, 3 an undercarriage, 4 a boom, 5 an arm, and 7 and 8 an actuator capable of extending and contracting the arm and the boom, respectively. Preferably, the actuator is manufactured by a hydraulic cylinder that drives the expansion and contraction by the operation of the operation lever installed in the cab.

Hereinafter, the operation principle of the screen bucket for a construction machine according to the present invention with reference to the embodiment.

2, when the bucket frame 10 according to the present invention is moved by the hydraulic pressure applied between the bucket cylinder 6 and the lug 11 of the excavator, the waste building or waste aggregate through the screen unit 20 And it can be usefully used in the construction material processing process of separating a small material of a predetermined size from a material containing recycled sand, or to separate and collect a relatively large large material.

For example, when the material of recycled sand is to be separated according to its size, one side of the bucket cylinder 6 is coupled to the lug 11 formed on the bucket frame 10 and the side pillar of the screen unit 20. 21, the outer side surface of the side plate 13 of the bucket frame 10 is supported.

In addition, the side plate 13 of the bucket frame 10 inside the side pillar 21 is also maintained firmly fixed through the fixing member 18.

Referring to FIG. 3, the material collected for separation is contained in the screen unit 20 through the tooth 15 and the attack plate 14 of the bucket frame 10. Subsequently, depending on the driver's lever operation in the cab 1, the screen unit 20 containing the material moves in accordance with the bucket cylinder 6, the arm and the boom actuators 7, 8, 9 in the extension and contraction drive. .

At this time, the small material and the large material are primarily separated on the outlet 25 of the grid member 26. That is, the small size of the material smaller than the size of the discharge outlet 25 preset by the movement of the bucket frame 10 and the screen unit 20 coupled thereto is loaded through the discharge port 25 outside the screen unit 20. For example, a large material that is relatively larger than the size of the outlet 25 remains on the outlet 25.

If the waste building or the aggregate is larger than the recycled sand, the worker or the driver releases the fixing member 18 by using a simple hand tool, and then the outlet 25 of the grid member 26. Other suitable screen units of different sizes can be easily attached and detached.

On the other hand, although not shown, the configuration of the discharge port 25 of the grid member 26 can be modified in various ways, the small discharge port 25 to the side pillar 21 on the right side of the screen unit 20 It can be provided adjacent and the large discharge port 25 can be provided adjacent to the side pillar 21 on the left side of the screen unit 20. As shown in FIG. The size of the outlet 25 can be adjusted by narrowing or widening the interval between which the extension bar 23 and the cross bar 24 are fixed.

In this case, it will be understood that the separation process is possible with materials having different sizes to the right and left sides of the screen unit 20 by driving the bucket frame 10 and the screen unit 20 coupled thereto.

In addition, even if a clamp or a coupler is configured to adjust the fixing state of the bucket frame 10 and the screen unit 20, the materials including waste building, waste aggregate, and recycled sand are different sized through the screen unit 20. Since the operation principle of the separation process is the same as described above, a detailed description thereof will be omitted.

As the present invention can be variously modified by those skilled in the art without departing from the scope of the claims defined in the claims, the technical protection scope of the present invention is limited to the specific preferred embodiments described above It doesn't work.

1: Cab
6: bucket cylinder
10: bucket frame
11: rug
13: side plate
14: attack plate
18: fixing member
20: screen unit
21: side filler
22: rear curve wall
25 outlet
26: grid member

Claims

In the screen bucket for construction machinery,
A bucket frame having a lug connected to the bucket cylinder, a lug supporting portion supporting the lug, a side plate and an attack plate;
A screen unit having a side pillar and a rear curve wall extending bent from the side pillar and a grid member formed between the side pillar and the rear curve wall; And
And a fixing member for holding and coupling the side pillar and the side plate.

The method according to claim 1,
And the grid member comprises a plurality of extension bars connected in the longitudinal direction of the side pillars to form a predetermined outlet, and cross bars fixed to the extension bars.

The method according to claim 1,
The fixing member is a screen bucket for a construction machine, characterized in that it comprises a bolting member or a pin member.

The method according to claim 1,
The fixing member is a screen bucket for a construction machine, characterized in that consisting of a fixed clamp or coupler for connecting the side pillar and the side plate.