JPH06341131A - Mechanizing device for air damper - Google Patents

Abstract

PURPOSE:To save the labor of compaction operation by mounting a movable arm at the front end section of a self-advancing type working machine and installing a plurality of air dampers used for compacting banking, etc., at the front end secion of the arm. CONSTITUTION:A self-advancing type working machine 10 with a main body section 12 with a caterpillar 11 and an articulated type arm 13, in which a front end section can be moved freely in the vertical and horizontal directions, is constituted. A plurality of air dampers 20 consisting of a drum section 21, a cylinder type movable rod 22, a weight 23 and an air hose 24 for supplying compressed air are set up at the front end section of the arm 13 through a supporter 30. The caterpillar 11 is positioned on banking, the weights 23 of the air dampers 20 are applied to rock-attached clay, compressed air is supplied, the weights 23 are moved vertically, and the clay is compacted. Accordingly, the burden of an operator is lightened, and operation can be conducted efficiently.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanization of an air tamper suitable as a technique for mechanizing an air tamper which is manually operated, such as compaction work such as embankment, among various civil engineering machines. It relates to the device.

[0002]

2. Description of the Related Art As an air tamper used for compacting work such as embankment, for example, as shown in FIG. 6, a cylindrical body portion 1 held by an operator and a lower end of a cylinder type movable rod 2 vertically moved by compressed air. 2. Description of the Related Art Conventionally, a structure having a weight 3 provided in a cylinder and an air hose 4 for supplying compressed air into a cylinder is widely known.

In the compaction work, one tamper is held by one person and applied to a predetermined place requiring compaction, and the required compaction is performed while moving the weight 3 up and down with compressed air. Is taking.

[0004]

However, in the compaction work using such a conventional air tamper, it is necessary to exert a sufficient compaction effect, and the whole air tamper is made relatively heavy, and the vibration source is used. Since it has a built-in structure, it has been a heavy labor to operate it by human power for a long time, and its continuation places a heavy burden on workers.

In view of the above, the present invention provides an air tamper mechanization device that mechanizes the air tamper so as to reduce the burden on the operator and save labor in compaction and increase efficiency and quality. It is what

[0006]

The invention according to claim 1 is
An air tamper mechanization device in which a plurality of air tampers used for compaction such as embankment are installed at the tip of the arm of a self-propelled working machine having an arm whose tip can move vertically, horizontally and diagonally. Each of the air tampers is detachably attached to the arm via a support device that supports the body of the air tamper.

The invention according to claim 2 is characterized in that, in addition to the air tamper according to claim 1, a fixing device is provided for raising the weight portion of the air tamper upward when the air tamper is not in use. I am trying.

[0008]

According to the air tamper mechanization device of the first aspect, since the air tamper is provided at the tip of the arm of the self-propelled working machine, when the tip of the arm is moved vertically, horizontally and diagonally, Along with this, the air tamper also moves vertically and horizontally. Therefore, by remotely controlling the position of the arm, the operator can perform the compaction work without directly holding the air tamper.

Further, since each air tamper is configured to be detachably attached to the arm via a supporting device for supporting the body of the air tamper, the self-propelled type equipped with an arm for installing the air tamper. The work machine does not require a dedicated one, and can be used in place of the existing attachment such as a backhoe or a mini excavator, and can also be used as the work machine itself.

According to the second aspect of the present invention, the fixing device for raising the tamper weight portion of the air tamper when the air tamper is not used is provided for the air tamper. Of these, only the air tamper necessary for the work can be operated.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying FIGS. In FIG. 1, reference numeral 10 is a self-propelled working machine composed of an existing commercially available hydraulic mini-excavator, and a main body 12 having a caterpillar 11 and a tip end thereof are freely movable in vertical and horizontal directions. The multi-joint type arm 13 is provided.

A normal attachment such as a shovel provided at the tip of the arm 13 is removed, and here, a plurality of units (two in the embodiment) are provided at the tip of the arm 13 via a supporting device 30. The air tamper 20 is attached.

This air tamper 20 is also an existing one which is commercially available in the embodiment, and includes a body portion 21, a cylinder type movable rod 22, a weight 23 provided at the lower end of the movable rod 22, and compressed air. And an air hose 24 for supply.

The connecting device 30, as shown in FIG.
It has a basic configuration including a pair of left and right supporting means 31, 31 for supporting the body portion 21 of the air tamper 20, and an attaching means 32 for attaching to the outer periphery of the tip portion of the arm 13. That is, the connecting device 30 includes a support rod 35 formed in a plane T shape by a horizontal rod 33 and a vertical rod 34, and the support means 31, 31 are provided at both ends of the horizontal rod 33. The attachment means 32 for attaching to the outer periphery of the arm 13 is provided at the end of 34.

The supporting means 31 comprises a half-split member formed by vertically dividing a so-called cylinder so as to closely contact the outer surface of the body portion 21 of the air tamper 20, corresponding to the outer shape of the body portion 21. One of the half members is composed of a support member 31a fixed to the horizontal bar 33, and the other is composed of an opening / closing member 31b connected to the support member 31a via a hinge 31c. An end of the opening / closing member 31b opposite to the hinge 31c is fastened by a bolt / nut 31d.

The mounting means 32 comprises a half-divided member corresponding to the outer shape of the arm 13 and is formed by vertically dividing a square tube so as to be in close contact with the outer surface of the arm 13, and the half-divided member Mounting member 32a, one of which is fixed to the vertical bar 34
And the bolt / nut 32 for the mounting member 32a.
It is comprised by the pressing member 32b fastened by c and 32d.

Further, as shown in FIG. 3, each air tamper 20 has a fixing device 2 for raising the weight 23 of the air tamper 20 when the air tamper 20 is not in use.
5 are provided. As shown in the figure, the fixing device 25 is a tubular member 2 that is fitted to the outside of the body portion 21 so as to be vertically movable.
5a and a fixing bolt 25b for temporarily fixing the tubular member 25a to the body portion 21 in a positioned state.

When compacting work is performed using the air tamper mechanization device thus constructed, the fixing device 25 of each air tamper 20 is moved downward or removed to move the weight 23 to the lower operating position. Then, the arm 13 is remotely operated by the main body portion 12 of the self-propelled working machine (mini shovel) 10, and the weight 23 of the air tamper 20 is applied to a place requiring compaction, and the air hose 24 is attached.
It is sufficient to sequentially perform compaction work by supplying compressed air to and operating the air tamper.

By the way, since this air tamper mechanization apparatus is equipped with a plurality of air tampers in addition to being mechanized in this way, it can be used in a wide area, where sufficient and reliable compaction work is required. It is especially effective when used.

FIGS. 4 and 5 show an example of a center-core type rockfill dam which requires such compaction work. The clay-like soil called the core a at the center part allows the permeation and outflow of water. To prevent and prevent rocks from collapsing due to water pressure in the left and right rock b parts, the dam body is stabilized, and the rock adhering clay d part where the core a contacts the foundation bed c is the place where water is most likely to permeate. The embankment is used and the embankment is laid up in an almost horizontal layer, and the rock adhering portion is gradually pasted with the rock adhering clay d before the embankment.

Therefore, in order to perform compaction work on the rock-bearing clay d using the air tamper mechanization device according to the present invention, the caterpillar 11 of the mini-excavator 10 is placed on the embankment in each state. Weight 23 of air tamper 20
Is applied to the Iwatsuki clay d, and compressed air is supplied to the weight 23.
The rock-dwelling clay d may be pressure-bonded to the foundation bedrock c by vertically moving and compacting. At this time, the air tamper 20
Has a weight 23 necessary for compaction,
This allows for sufficient compaction, but if necessary, since the air tamper 20 is supported by the arm 13, the compaction work is performed with a proper force applied by utilizing the weight of the mini excavator 10 itself. You can also do Further, even when it is moved to the next location after it is compacted to a predetermined strength, the work can be performed extremely easily and continuously by remote operation of the arm 13 and movement using a caterpillar.

Further, only one air tamper 20 needs to be operated in order to squeeze a narrow space. In such a case, the cylindrical member 25a of the fixing device 25 in the air tamper 20 which becomes unnecessary is moved upward. By moving and pushing up the upper end 22a of the movable rod 22, the weight 2
3 should be pulled up.

When the mini excavator 10 is used as an original excavator, the air tamper 20 is removed from the arm 13 together with the connecting device 30, and the necessary attachments are attached.

The air tamper 20 is used in the embodiment.
Although it is configured to be equipped with two units, it may be configured to be equipped with more units.
The connecting device 30 for the above is not limited to the embodiment, and another suitable connecting device may be configured to be supported by the arm.

[0025]

As described above, according to the air tamper mechanization device of the present invention, the following excellent effects can be obtained.

In the air tamper mechanization apparatus according to the first aspect, the tip of the arm of a self-propelled working machine having an arm whose tip can move at least vertically and horizontally is used for compacting embankment or the like. Since a plurality of air tampers are provided, and each of the air tampers is detachably attached to the arm through a supporting device that supports the body of the air tamper, the position of the arm can be remotely controlled. The worker can perform compaction work without directly holding the air tamper, which reduces the burden on the worker and saves compaction work, improves efficiency, and improves work quality at the same time. You can

Further, since each air tamper is detachably attached to the arm via a supporting device for supporting the body of the air tamper, a self-propelled working machine equipped with an arm for installing the air tamper. As a work machine itself, the work machine itself can also be used as the work machine itself without the need for a dedicated one, for example, instead of an attachment such as an existing backhoe or a mini excavator.

In the air tamper mechanization device according to the second aspect of the present invention, the air tamper is provided with a fixing device for pulling up the weight portion of the air tamper when the air tamper is not in use. Of the base air tampers, only the air tamper necessary for the work can be operated. Therefore, compaction work can be performed on narrow spaces in the same manner as in the past, and moreover, work can be performed efficiently on a wide range of areas by operating multiple tampers simultaneously. it can.

[Brief description of drawings]

FIG. 1 is a schematic side view showing an embodiment of the present invention.

FIG. 2 is a plan view of a connecting device showing an embodiment of the present invention.

FIG. 3 is a partial cross-sectional view of a fixing device showing an embodiment of the present invention.

FIG. 4 is a sectional view for explaining an embodiment of the present invention.

FIG. 5 is a sectional view for explaining an embodiment of the present invention.

FIG. 6 is a side view showing a conventional air tamper.

[Explanation of symbols]

 10 Self-propelled work machine 13 Arm 20 Air tamper 23 Weight 25 Fixing device 30 Coupling device

Claims (2)

[Claims] 1. An air tamper having a plurality of air tampers used for compacting embankment or the like at the tip of the arm of a self-propelled working machine having an arm whose tip can move vertically, horizontally and diagonally. The air tamper mechanization device, wherein each of the air tampers is detachably attached to the arm via a connecting device that supports a body of the air tamper. 2. The mechanization of the air tamper according to claim 1, wherein the air tamper is provided with a fixing device for pulling up a weight portion of the air tamper when the air tamper is not used. apparatus.