JP3200353U - Excavator bucket - Google Patents

Abstract

Provided is a power shovel bucket in which a simple structure is attached to a bucket for excavation, thereby generating cracks of an appropriate depth in the ground and facilitating the demolition and rooting work around tree roots. . A plurality of rooting claws 2A, 2B are arranged in parallel with a side plate 11 of a bucket 1 and supported by the bucket. The tip of the rooting claw extends and projects forward from the front end surface of the bucket, and the root and the root are cracked with the protruding tip of the rooting claw to activate the root. The plurality of rooting claws are supported by the bucket so that they can be raised and lowered with the base portion as a shaft, and have fixed means in the raised state. [Selection] Figure 2

Description

  The present invention relates to a bucket of a power shovel for activating tree roots.

Trees lose their activity as their roots age over time.
In addition, the ground of parks and roadside trees has been solidified, and the spread of roots has deteriorated, degrading the momentum of trees.

For this reason, it is known that for trees that have lost their virginity, the soil around the roots is crushed and the soil is softened to improve air permeability, reinvigorate the spirit, and activate the roots. ing.
In order to make these improvements, it is necessary to work on the ground around the roots and work called root cutting.

However, the tree roots spread in all directions, and it is a difficult task to perform manually. Therefore, work is performed using a power shovel used for excavating civil engineering.
Power shovels can work even on strong digging forces and sloping terrain, and many excavation buckets have a plurality of claw-shaped members protruding in parallel at the tip to efficiently scrape earth and sand. Seen.

Japanese Patent Application No. 5-101307 Japanese Patent Application No. 2004-301636 Japanese Patent Application No. 2012-138308

In order to activate the roots of trees, it is necessary to unravel the ground aeration and solidified soil. When a power shovel is used for the work, a general excavation bucket has a wide claw shape and length. short.
Therefore, problems have been pointed out that if the soil is deeply ground, the ground will be dug up, and the roots of trees may be damaged.

  In order to solve such problems, the present invention attaches a simple configuration to the excavator bucket of a power shovel to generate cracks of an appropriate depth in the ground so that the ground around the root of the tree can be crushed. The purpose is to activate trees by facilitating work and improving the growth environment.

  In order to achieve this object, the bucket device for a power shovel according to claim 1 is characterized in that a plurality of rooting claws are arranged in parallel with the side plate of the bucket and supported by the bucket, The tip portion extends forward from the tip surface of the bucket and protrudes, and the root and the root are cracked at the tip portion of the protruding root claw to perform the root activation operation. To do.

  The invention of claim 2 is the power shovel bucket according to claim 1, wherein one rooting claw is arranged near the outside of both side plates of the bucket, and a plurality of rooting claws are arranged in the bucket. It is characterized by being supported.

  The invention of claim 3 is the bucket of the excavator according to claim 1 or 2, wherein a support member is provided on the upper end surface of each rooting claw arranged in the bucket, while on the inside of the arm of the excavator, A receiving member facing the supporting member is provided.

  The invention of claim 4 is the bucket of the power shovel according to any one of claims 1 to 3, wherein the plurality of rooting claws are supported on the bucket so that they can be tilted around the base, and the root activation work And an upside-down fixing means capable of excavating work with the opening of the bucket secured.

  According to a fifth aspect of the present invention, in the bucket of the excavator according to the fourth aspect, bearings are provided on both side plates of the bucket so that the rooting claw is raised by a support rod inserted together with the base shaft hole of the rooting claw. The bearing and the base of the rooting claw are provided opposite to each other, the fixing flange is provided on the flange of the bearing, and the flange of the rooting claw is raised and lowered. Having a plurality of positioning holes corresponding to the fixing locking holes in between, attaching a locking tool to a specific positioning hole corresponding to the fixing locking hole, and fixing the tilting position of the rooting claw It is characterized by doing.

  According to the invention of the bucket of the power shovel of claim 1, a plurality of rooting claws are juxtaposed in parallel with the side plate of the bucket and supported by the bucket, and the tip portion of the rooting claw is formed on the bucket. Since it protrudes forward from the front end surface, by operating the bucket, the ground and roots are cracked at the tip of the protruding root claw to break up the soil, and at a certain depth. Root cutting work is also performed, and the effect of promoting the activation of tree roots is obtained.

  In addition to the effect of claim 1, the invention of claim 2 supports and supports one rooting claw on the outside of both side plates of the bucket and a plurality of rooting claws in the bucket. More than half of the rooting nails are supported in the bucket, and stable rooting work can be performed by operating the bucket. There is no difference, there is no sense of incongruity in bucket operation, and the bucket width can be effectively used.

  In addition to the effect described in claim 1 or 2, the invention of claim 3 is provided with a support member on the upper end surface of each rooting claw arranged in the bucket, while on the inside of the arm of the power shovel, Since the receiving member that faces the support member is provided, if the timber harvested during rooting work interferes with the activation of the tree, the felled tree is sandwiched and moved by the receiving member that faces the support member. This is effective for organizing the forest.

  In addition to the effects of the first to third aspects, the invention of claim 4 supports a plurality of rooting claws supported on the bucket so that it can be tilted around the base, and activates the root. Because it has an upright fixed means so that the excavator can secure an opening, the tree can be activated with its roots and the original excavator can be used as before Demonstrate the effect that can be done without problems.

  In addition to the effect of claim 4, the invention of claim 5 is capable of supporting the base portion of a plurality of rooting claws with a simple structure so that it can be tilted up and down with a simple structure. This has the effect of fixing the raising / lowering position of the rooting claw by attaching a locking tool to a specific positioning hole corresponding to the hole.

It is a front view of the bucket which shows one embodiment of the present invention. It is a side view of the bucket of FIG. It is a side view which shows an example of the use condition of the bucket of FIG. It is a front view of only the bucket of FIG. It is a side view of only the bucket of FIG. It is a front view of the nail | claw for rooting arrange | positioned in the bucket of FIG. It is a side view of the nail | claw for rooting arrange | positioned in the bucket of FIG. It is a front view of the nail | claw for rooting arrange | positioned on the outer side of the bucket of FIG. It is a side view of the nail | claw for rooting arrange | positioned on the outer side of the bucket of FIG.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a bucket showing an embodiment of the present invention. FIG. 2 is a side view of the bucket. A bucket 1 of a power shovel has a plurality of rooting claws 2 and an arm 3 of the power shovel. The receiving member 4 is provided on the inside.

A plurality of rooting claws 2 are flat steel plates whose side surfaces are tapered, and are attached to the bucket 1 in parallel with the side plates 11 of the bucket 1. In FIGS. 1 and 2, the bucket 1 One rooting claw 2 </ b> A is disposed in the vicinity of the outside of the both side plates 11, and two rooting claws 2 </ b> B are disposed in the bucket 1.
The tip of the bucket 1 extends further upward and forward from the front end surface of the bucket 1 (excavation claw 12), and the root and the root are cracked at the tip of the protruding root claw 2 to activate the root. Is.

The rooting claws 2 (2A and 2B, the same applies hereinafter) are supported by the bucket 1 so that the base can be raised and lowered.
That is, bearings 13 project from both side plates 11 of the bucket 1, and the rooting claw 2 is raised by the support rod 5 inserted through the drilled bearing hole 14 and the base shaft hole 21 of the rooting claw 2. Supports to be defeated.

  The two rooting claws 2B arranged in the bucket 1 have base portions linked by a ring body 22, a through hole of the ring body 22 forms a base shaft hole 21, and the support rod 5 and each base shaft. The hole 21 is keyed (not shown) and is integrally supported by the bearings 13 of the side plates 11 of the bucket 1 so as to be able to rise and fall (rotate).

Further, flanges 15 and 23 that face the bearing 13 and the base of the rooting claw 2 or the ring body 22 project from each other, and a fixing locking hole 16 is provided in the flange 15 of the bearing 13 for rooting. A positioning hole 24 is formed in the flange 23 of the claw 2.
Then, by fixing the fixing locking hole 16 of the bearing 13 and the positioning holes 24 of the two rooting claws 2 and attaching and fixing the fixing pin 6 as a locking tool, the bucket 1 is used for rooting. The nail | claw 2 is fixed and the bucket 1 can be operated and the rooting nail | claw 2 can carry out the demolition and rooting work around the root of a tree easily.

Further, the flange 23 projecting from the base of the rooting claw 2 or the ring body 22 is provided at two locations of the flange 23A and the flange 23B, and a positioning hole 24A and a positioning hole 24B are formed respectively.
When performing the above-mentioned unloading or rooting work, the positioning hole 24A is selected so that the rooting claw 2 is tilted and placed on the bucket 1, and the tip part is from the tip of the bucket 1. This is performed by fixing to the bucket 1 in a protruding state.

When the other positioning hole 24B is selected, the rooting claw 2 is erected and fixed to the bucket 1, and the upper portion of the bucket 1 is opened so that the work using the bucket of the original power shovel can be performed.
In the drawing, the positioning holes 24 are illustrated in two places, but a plurality of positioning holes corresponding to the fixing locking holes may be set between ups and downs. By attaching a locking tool to the positioning hole, it is possible to arbitrarily fix the raising / lowering position of the rooting claw.

Further, a hook-shaped support member 7 is mounted on the upper end surface of each rooting claw 2B arranged in the bucket 1, while an arch facing the support member 7 is provided inside the arm 3 of the power shovel. A shaped receiving member 4 is provided.
In the activation of trees, when the timber harvested during the rooting operation becomes an obstacle to the operation, the bucket 1 is operated, and the arch-shaped receiving member 4 that opposes the felled tree with the cage-shaped support member 7. It can be moved between and arranged in the forest.

  As described above, the above-described specific configuration in the embodiment in which the present invention has been described with reference to the drawings is an example, and does not exclude a configuration or means that can obtain the same operation and effect.

DESCRIPTION OF SYMBOLS 1 Bucket 2 Nail | claw for root cutting 4 Arm of power shovel 4 Support member 5 Support rod 6 Fixing pin 7 Support member 11 Side plate 12 Excavation claw 13 Bearing 14 Bearing holes 15, 23 Flange 16 Fixing locking hole 21 Base shaft hole 22 Ring body 24 Positioning hole

Claims (5)

  A plurality of rooting nails arranged side by side in parallel with the side plate of the bucket and supported by the bucket, and the tip of the rooting claws extended forward from the front end surface of the bucket and protruded A bucket for a power shovel, wherein the root is activated by cleaving the ground or the root with the protruding tip of the rooting claw.   2. The bucket of a power shovel according to claim 1, wherein one rooting claw is arranged near the outside of both side plates of the bucket and a plurality of rooting claws are arranged and supported in the bucket.   3. A support member is provided on the upper end surface of each rooting claw disposed in the bucket, and a receiving member that faces the support member is provided on the inner side of the arm of the power shovel. The excavator bucket described in 1.   The plurality of rooting claws are supported by the bucket so that they can be raised and lowered with the base portion as the shaft, and have a fixed means in a tilted state capable of activating the roots and excavating the bucket opening. The excavator bucket according to any one of claims 1 to 3.   Bearings protruded from both side plates of the bucket and supported by the support rod inserted with the base shaft hole of the rooting claw so that the rooting claw can be tilted up and down. The flange of the bearing has a locking hole for fixing, and the flange of the claw for rooting has a plurality of positioning holes corresponding to the locking hole for fixing between rising and falling, 5. The power shovel bucket according to claim 4, wherein a locking tool is attached to a specific positioning hole corresponding to the fixing locking hole to fix the raising / lowering position of the root claw.

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