JP3085694U - Construction bucket - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In crushing work of reinforced concrete, etc., a bucket body and an electromagnet body are provided, and a metal such as a reinforcing rod and scrap iron is adsorbed from the crushed reinforcing steel and concrete lump, and the concrete lump is placed in the bucket body. To improve workability. A box-shaped bucket body (A) having a bottom (1) and an electromagnet body (B) having an attraction surface (10) mounted on the bottom ( ₁₎ and forming a flat bottom surface (A1) together with the bottom ( ₁₎ . Sucking surface 10 of the electromagnet body B is substantially equal to become possible in the area of the flat bottom face A _1.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention provides a magnet for adsorbing metal such as reinforcing bars and scraps from crushed reinforcing bars and concrete lumps in crushing work of reinforced concrete, etc., and improves the workability of the magnets. Construction buckets that can be.

[0002]

[Prior art]

 In recent years, in the demolition work of building structures, construction buckets with magnets that extract only metal waste materials have been installed in order to crush reinforced concrete and dispose of metals such as reinforcing bars and scraps separated from the crushed reinforced concrete blocks. Various types have been developed. Many of these construction buckets use existing conventional construction buckets and are fitted with magnets in place. In addition, the mounting state is different from each other, but most of them are often mounted in front of or below a bucket.

[0003]

[Problems to be solved by the invention]

 By the way, most of the conventional buckets with magnets are those in which a magnet portion is mounted by appropriately processing the bucket. Therefore, in many of them, the place where the magnet part is mounted is an arc-shaped surface, or the area of the magnet part is extremely small, and it is not possible to adsorb too much metal waste such as rebar and scrap at once. could not. As a result, the amount of waste material adsorbed was small, and the capacity of the bucket was small.

[0004]

[Means for Solving the Problems]

 The inventor of the present invention has conducted intensive studies in order to solve the above-mentioned problems. As a result, the present inventor has found that the present invention is applied to a box-shaped bucket body having a bottom and a flat bottom surface attached to the bottom. By using a construction bucket composed of an electromagnet having an attraction surface that forms a magnet, it is possible to increase the amount of attraction by the magnet portion and, consequently, to improve the working efficiency, thereby solving the above-mentioned problems.

[0005]

[Embodiment of the invention]

 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. A construction bucket includes a bucket body A and an electromagnet body B. First, as shown in FIGS. 1A and 1B, the bucket body A is composed of a bottom portion 1, a front plate portion 2, a rear plate portion 3, and both side plate portions 4, 4. At the upper end of the front plate 2, a plurality of claws 5, 5, ... are arranged at equal intervals. The rear plate 3 is provided with a connecting portion 6 for connecting to a hydraulic boom of the construction vehicle. The front side plate portion 2 is inclined outward and upward at an appropriate angle with respect to the bottom portion 1 to facilitate scooping of waste materials such as concrete lumps.

The bottom 1 is a portion to which an electromagnet B described later is attached. As shown in FIGS. 1A, 1B, 3, etc., the bottom 1 and the attraction surface 10 of the electromagnet B are connected to each other. flat bottom face A ₁ is formed. The flat bottom face A ₁ is substantially rectangular, and has a relatively large area. As shown in FIG. 6, the bottom 1 has an opening 1a, and the electromagnet B is mounted in the opening 1a. The bottom plate piece 1b other than the opening 1a of the bottom ₁ becomes a part of the flat bottom surface A1 (see FIG. 3).

Actually, the area of the bottom plate piece 1b at the bottom 1 is formed to be extremely narrow as compared with the opening 1a, as shown in FIG. Above the bottom part 1, a floor plate part 7 is provided as shown in FIG. The floor plate 7 serves as a floor for the bucket body A and a protective plate for the electromagnet B. That is, the bottom portion 1 and the floor plate portion 7 constitute a storage space s for the electromagnet B.

Next, the electromagnet body B has a shape and a size that can be attached to the opening 1 a of the bottom 1, and includes an electromagnetic control unit 9 and an attraction surface 10. The electromagnet body B excites and desorbs a metal material such as a reinforcing bar or iron scrap by exciting and demagnetizing the attracting surface 10 by magnetic control by the electromagnetic control unit 9. A flange 11 is formed on an outer peripheral portion of the suction surface 10. As shown in FIGS. 4, 7 and the like, the flange portion 11 has a flat plate shape and is formed so as to protrude outward along the outer peripheral wall surface portion 10a constituting the suction surface 10. It is.

Further, the flange portion 11 is for attaching the electromagnet body B to the bucket body A, and is particularly preferably made of a material which is extremely strong and excellent in impact resistance and abrasion resistance. The flange portion 11 is fixed to the outer peripheral wall portion 10a of the suction surface 10 by a fixing means such as welding. Alternatively, the outer peripheral wall portion 10a and the flange portion 11 may be integrally formed.

The flange portion 11 is a portion to be brought into contact with the bottom plate piece 1b around the opening 1a of the bottom portion 1 and fixed by welding means or the like. The suction surface 10, also serves as a portion constituting the flat bottom face A ₁ of buckets body A. The degree suction surface 1 0 in plan view, which is formed in an oval shape, lengthwise dimension and the transverse dimension thereof is slightly smaller than the vertical and horizontal dimensions of the flat bottom face A ₁ and then, it is intended to enable the suction force of the flat bottom face a _1. The oval shape of the suction surface 10 includes an elliptical shape. Further, the suction surface 10 may have a circular shape or a rectangular shape such as a rectangular shape. In other words, the area of the suction surface 10, wherein the area of the flat bottom face A _1, it is preferable as close as possible.

To mount the electromagnet body B on the bucket body A, as shown in FIG. 4, the electromagnet body B is placed on a stable horizontal workbench, and the bucket body A is placed on the bottom of the electromagnet body B. The electromagnet B is put into the opening 1a, and the bottom plate piece 1b around the opening 1a is brought into contact with the flange 11 of the electromagnet B. Then, the bottom plate piece 1b and the flange portion 11 are fixed by welding means as shown in FIGS. 5 (A) and 5 (B). Further, the shape of the opening 1a of the bottom 1 of the bucket body A substantially matches the shape of the attraction surface 10 of the electromagnet B.

At the top of the electromagnetic control unit 9, a control cabtire cable for performing excitation and demagnetization is provided. There is also a type in which the electromagnet body B has a circular shape in plan view. In order to store and fix the electromagnet body B in the bucket body A, first, the bucket body A is put on the electromagnetic control unit 9 of the electromagnet body B.

In the bucket configured as described above, the electromagnet B is protected by the floor plate 7. As shown in FIG. 1B, the floor plate portion 7 is composed of a flat floor surface 7b formed in a flat shape and a concave floor surface 7a formed in a concave shape. The concave floor surface 7a is located closer to the front plate portion 2, and the flat floor surface 7b is located closer to the rear plate portion 3. The concave floor surface 7a is formed as a surface that is substantially arcuately concaved by utilizing the space not occupied by the electromagnet body B. The concave floor surface 7a allows the collected concrete mass to easily accumulate and hardly fall. It has become. In addition, the effective storage volume of the bucket body A can be increased by the concave floor surface 7a.

Further, instead of forming the flange portion 11 on the outer peripheral wall portion 10 a of the suction surface 10, the area is set so that the suction surface 10 protrudes from the outer periphery of the electromagnetic control portion 9 as shown in FIG. It may be formed large and fixed by welding means so that the suction surface 10 and the bottom plate piece 1b around the opening 1a of the bottom 1 are in contact with each other.

The bottom portion 1, front plate portion 2, rear plate portion 3 and both side plate portions 4, 4 constituting the bucket body A are not limited to the shapes shown in the figure, but may be Modifications are also included.

[0016]

[Action]

 The construction bucket of the present invention is most effective when used for waste material disposal, especially at demolition sites. First, the construction bucket is mounted on the boom tip of the construction vehicle via the connecting portion 6. Control of excitation and demagnetization of the electromagnet body B of the construction bucket can be performed from the cockpit of the construction vehicle. First, debris such as reinforced concrete crushed by the crusher is further crushed by the crusher, and the reinforced concrete mass is separated into reinforced concrete and concrete.

[0017] The concrete bucket is scooped up by the construction bucket. Because it is excited magnetic by an electromagnet body B over and the flat bottom face A ₁ entirely flat in the flat bottom face A ₁ can this and the construction bucket intact, rebar flat bottom face only down vertically A ₁ Adsorb to. The concrete bucket in the bucket body A does not fall off because the construction bucket does not tilt to the point where the waste material is transferred.

[0018]

[Effect of the invention]

The invention of claim 1 is a construction comprising a box-shaped bucket body having a bottom 1 and an electromagnet body B having a suction surface 10 attached to the bottom ₁ and forming a flat bottom surface A1 together with the bottom _1. First, the suction area can be configured in a wide range so that waste materials such as reinforcing bars can be efficiently absorbed.

The above effect is described in detail. The flat bottom A ₁ is constituted by the bottom ₁ of the box-shaped bucket body A and the suction surface 10 of the electromagnet B. In general, the attraction surface 10 of the electromagnet B is flat, and the flat surface is formed so that the iron material can be absorbed most efficiently. Thus with respect to the flat bottom face A ₁ of ,, bucket body A, intended adsorption surface 10 of the electromagnet body B is flat, be configured such that the bottom portion 1 of the face integral with the bucket body A It can be done, and the production of this machine is very easy. Further, since the suction range of the suction surface 10 can be relatively wide occupied against the flat bottom face A _1, a large amount of reinforcing steel scrap can and child adsorption at a time, thus, to improve the working efficiency Can be.

According to a second aspect of the present invention, in the first aspect, the attraction surface 10 of the electromagnet B is a construction bucket having an area substantially equal to the area of the flat bottom surface A _1. can be made substantially the entire suction range of a _1, it can adsorb more mass rebar waste material. Many conventional types of this type are equipped with electromagnets with some improvements to ordinary buckets.However, these types are equipped with electromagnets that are not so large, or their adsorption surface compared to the size of the bucket. Could not be widened. In this invention, even in the even of a is slightly smaller than the area of the flat bottom face A _1, said although the flat bottom face A ₁ is flat thus, by effectively using the flat-shaped range, An electromagnet B having a large suction surface 10 can be used, and an extremely strong suction force can be exhibited.

According to a third aspect of the present invention, in the first aspect, the attraction surface 10 of the electromagnet body B is a construction bucket having a substantially elliptical shape, so that the electromagnet body B has a flat bottom surface A ₁ . Even at the corners, the magnetic force is evenly distributed as in the other portions, and the most stable attraction force can be exhibited. Further, an electromagnet body B which has the oval shape, the magnetic force from the circular portion becomes easily transmitted uniformly around, in the adsorption operation, gathering iron waste material are scattered the surrounding of the flat bottom surface A ₁ work Has the advantage that it can be performed very efficiently.

According to a fourth aspect of the present invention, there is provided a construction bucket according to the first aspect, wherein the floor plate portion 7 is positioned above the electromagnetic stone body B mounted on the bucket body A. The floor plate 7 serves as a protective plate for important components such as the electromagnetic control unit 9 constituting the electromagnetic member 9, and the important members constituting the electromagnet B are protected from impact during work, and heavy use. It can be made to withstand.

According to a fifth aspect of the present invention, in the first aspect, the bottom 1 has an opening 1a in which an electromagnet B can be mounted, and a flange 11 is formed on the outer periphery of the attracting surface 10 of the electromagnet B. Is formed and the flange 11 and the periphery of the opening 1a are fixed to each other, so that the bucket main body A and the electromagnet body B can be efficiently assembled, and the strong Can be

To describe the above effect in detail, since the flange portion 11 is formed on the outer periphery of the attracting surface 10 of the electromagnet body B, when the bucket body A and the electromagnet body B are combined, When the electromagnet body B is inserted into the opening 1 a formed in the bottom 1, the flange 11 contacts the periphery of the opening 1 a of the bottom 1. After that, the flange 11 and the periphery of the opening 1a can be easily assembled and manufactured simply by fixing them by fixing means such as welding. In addition, the area where the periphery of the opening 1a and the flange portion 11 come into contact with each other is increased, and the fixing is not limited to the welding means, and fixing means using fixing tools such as bolts and nuts can be used. Variations can be increased. In addition, if the flange 11 is formed so that the position of the flange 11 is accurate, the positioning between the suction surface 10 of the electromagnetic stone B and the bottom 1 can be instantaneously performed, and the working efficiency in the manufacturing can be reduced. Can be improved.

[Brief description of the drawings]

FIG. 1A is a perspective view of the electromagnet of the present invention viewed from the side thereof. FIG.

FIG. 2 is a perspective view of the present invention.

FIG. 3 is a plan view of the electromagnet body of the present invention as viewed from the side thereof

FIG. 4 is a longitudinal sectional side view of the bucket body and the electromagnet body of the present invention disassembled.

FIG. 5A is an enlarged cross-sectional view of a front plate portion showing a fixed state of a bucket body and an electromagnet body. FIG. 5B is an enlarged cross-sectional view of a rear plate portion showing a fixed state of a bucket body and an electromagnet body.

FIG. 6 is a perspective view of a bottom opening of the bucket body.

FIG. 7 is a perspective view of an electromagnet body.

FIG. 8 is a longitudinal sectional side view showing another mounting state of the bucket body and the electromagnet body.

FIG. 9 is a perspective view showing a state in which a reinforcing bar is adsorbed on a flat bottom surface according to the present invention.

[Explanation of symbols]

A: Bucket body A ₁ : Flat bottom B: Electromagnet 1: Bottom 1a: Opening 7: Floor plate 10: Suction surface 11: Flange

Claims (5)

[Utility model registration claims] 1. A construction bucket comprising: a box-shaped bucket main body having a bottom; and an electromagnet body attached to the bottom and having an attraction surface forming a flat bottom surface together with the bottom. 2. A box-shaped bucket body having a bottom portion, and an electromagnet body attached to the bottom portion and having an attraction surface forming a flat bottom surface with the bottom portion, wherein the attraction surface of the electromagnet body is A construction bucket characterized by having an area approximately equal to the area of a flat bottom surface. 3. A box-shaped bucket body having a bottom portion, and an electromagnet body attached to the bottom portion and having an attraction surface forming a flat bottom surface with the bottom portion, wherein the attraction surface of the electromagnet body is substantially long. A construction bucket having a circular shape. 4. An electromagnet, comprising: a box-shaped bucket body having a bottom; and an electromagnet body attached to the bottom and having an attraction surface forming a flat bottom surface with the bottom. A construction bucket wherein a floor plate portion is located above a body. 5. A box-shaped bucket body having a bottom portion, and an electromagnet body attached to the bottom portion and having an attracting surface forming a flat bottom surface together with the bottom portion, and the electromagnet body can be mounted on the bottom portion. A constructional opening, a flange portion is formed on the outer periphery of the attracting surface of the electromagnet body, and the flange portion and the periphery of the opening portion are fixed.