JPH0455056Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a compaction machine that backfills soil around a small structure installed underground and then compacts the soil around it by compacting it.

(Prior Art) In the case of land development, construction of roads, and land maintenance projects, it is essential to install small structures made of concrete, such as drainage ditches and side walls of plots. In that case, after the small structure is installed in the designated location, it is necessary to backfill the earth and sand around the installation and further compact it. One of the devices is a compactor.

Conventionally, this type of compaction machine has a configuration in which a leg is provided at the bottom of a pedestal on which a vibration exciter and an engine for driving the machine are installed, and a single compaction plate is provided at the lower end of the leg. Ta. When performing the above-mentioned compaction work, first
One of the two sides was rolled, and then the other was rolled.

(Problems to be solved by the invention) However, according to the conventional rolling press mentioned above,
When rolling around a single small structure, the rolling work must be done sequentially on the left and right or front and rear sides as described above, which is more time-consuming than rolling on both sides of a small structure at the same time. , the construction period will be extended accordingly.

In particular, when backfilling and compacting the installation location after installing a U-shaped groove, which is a secondary concrete product, if the compaction was done on one side at a time as described above.
Because the degree of compaction tends to differ between the left and right sides or the front and back of the installed object, deviation of the installed object may occur, but if such a deviation phenomenon occurs, a separate rework process is required to correct it. Is required.

The present invention deals with the above-mentioned conventional situation, and it is possible to backfill the surrounding area after the structure is installed and perform soil compaction in the compaction stage (process) on the left and right sides of the installed structure. By providing a rolling machine that can perform both front and rear rolling simultaneously and uniformly, we aim to speed up this type of rolling work and eliminate the need for the above-mentioned rework process, thereby shortening the construction period and reducing costs. The purpose is to realize the following.

(Means for Solving the Problems) In order to achieve the above objective, the straddle type compactor of the present invention compacts the surrounding soil after backfilling with soil around a small structure installed underground. The compaction method is characterized by the following structure.

That is, in a configuration including a pedestal having legs on both left and right sides, a vibrator installed on the pedestal to vibrate the pedestal, and an engine that drives the vibrator, the pedestal has a small structure. The legs are provided at a predetermined distance from each other so as to be supported by the left and right legs while straddling the object, and the soil is compacted at the lower ends of the left and right legs by vibrating together with the pedestal. A rolling plate is provided respectively.

(Function) In the straddle type rolling machine having the above configuration, when the engine is operated, the engine drives the vibration exciter, and as a result, the pedestal, the legs, and the rolling plate integrally vibrate. Compact the earth and sand in the backfill areas around the small structures installed inside.

In this case, the left and right legs are provided at a predetermined distance from each other to support the frame while straddling the small structure, and a rolling plate is provided at the lower end of each of the left and right legs. Therefore, it is possible to simultaneously roll both the left and right (or front and rear) sides of a small structure.

As a result, the construction period can be shortened compared to the conventional case where the installation object (small structure) was compacted one by one. In addition, the above-mentioned simultaneous compaction allows the soil to be compacted to the same degree on the left and right sides of the object being installed, or in the front and back, which improves quality and eliminates the need for rework processes, thereby reducing repair costs. Become.

(Example) Examples of the present invention will be described below.

As shown in FIGS. 1 and 2, the straddle type rolling machine 1 of this embodiment basically includes a frame 4 having front legs 2, 2 and rear legs 3, 3 on both left and right sides, respectively;
It is comprised of a vibrator 5 provided on the pedestal 4, an engine 7 that drives the vibrator 5 via a belt 6, and a pair of left and right rolling plates 8, 8. Of these, an operating handle 9 is attached to the rear end of the pedestal 4 as an operating means for moving the rolling machine 1 in a predetermined direction.

In addition, the exciter 5 has an eccentric body (not shown) provided therein that is rotated by the engine driving force inputted through the belt 6, and vibrates due to the centrifugal force generated along with the rotation. This causes the pedestal 4, the legs 2, 2, 3, 3, and rolling plates 8, 8 to vibrate integrally.

However, as a feature of the present invention, in this rolling machine 1, the front legs 2, 2 and the rear legs 3, 3 are respectively provided on the left and right sides of the pedestal 4 as described above. 2, 3 and the right front and rear legs 2, 3 are spaced at a predetermined distance from each other so that they can be positioned on both left and right (or front and back) sides of a concrete U-shaped ditch (U-shaped drainage ditch) 10 that has been installed underground in advance. It is installed with an opening, and the front legs 2 on each side of the left and right
The long plate-shaped rolling plates 8, 8 are fixed to the lower ends of the rear legs 2 and 3, respectively, in parallel to each other. In a state where the pedestal 4 straddles the concrete U-shaped groove 10, both rolling plates 8, 8 are attached to the backfilling portions 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 10, 10, 11, 11, 11, 11,11,11,11,11,11 for 11 of the backfilling plate 8, 8 on the left side and right side of U-shaped groove 10, respectively.
11', respectively, and is configured to roll the backfilled portions 11, 11' when activated by the exciter 5.

Furthermore, in the case of the rolling mill 1 in this embodiment, each of the front legs 2, 2 and the rear legs 3, 3 is inclined downwardly and rearward by predetermined inclination angles a and b, respectively, so that the above-mentioned vibration exciter 5, the rolling press 1 vibrates and moves at a predetermined speed in the direction A in FIG. Here, the inclination angle a of the front legs 2 is preferably 5 to 6 degrees, and the inclination angle b of the rear legs 3 is preferably 20 to 30 degrees.

Next, the operation of this embodiment will be explained.

After backfilling a predetermined amount of earth and sand around the concrete U-shaped groove 10 installed underground through the foundation material 12, that is, in the left and right side portions of the U-shaped groove 10 surrounded by chain lines in FIG. , the backfill part 1
In order to compact the earth and sand of 1 and 11', the U-shaped groove 10 is
Set the rolling machine 1 in a state where it straddles the

After that, the rolling machine 1 is set in this way.
When the engine 7 is operated, the exciter 5 is driven by the engine 7, and as a result, the pedestal 4, the legs 2, 2, 3, 3, and the rolling plates 8, 8,
Backfilling portions 11, 11' around the U-shaped groove 10
By moving over the earth and sand while vibrating integrally, the earth and sand in the backfilling portions 11 and 11' are compacted and compacted.

In this case, the pair of rolling plates 8, 8 are arranged parallel to each other with a predetermined distance apart, so that they are simultaneously grounded on the backfilled portions 11, 11' on both left and right sides of the U-shaped groove 10. Therefore, the backfilled portions 11 and 11' on both the left and right sides are rolled at the same time.

This makes it possible to shorten the construction period compared to the conventional case where one side of the backfilling area around the object to be installed is compacted. In addition, by performing simultaneous compaction as described above, it is possible to compact the soil to the same extent on the left and right sides of the U-shaped groove 10, which is the object to be installed, or in the front and back, which improves quality and eliminates the need for rework processes. This will save you the cost of corrections.

In addition, FIG. 3 shows the case where the peripheral backfilling portion of the concrete wall 13 is compacted instead of the above-mentioned U-shaped groove 10, and the reference numerals, structure, effects, etc. in this case are similar to those of the above-mentioned embodiment.

(Effects of the invention) As described above, according to the straddle type rolling machine of the invention,
Since the left and right or front and back backfill parts of small structures such as U-shaped drainage ditches and compartment side walls can be compacted simultaneously and uniformly, it is possible to improve quality and shorten the construction period, as well as reduce the rework process. This eliminates the need for correction costs.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is a front view showing the straddle type rolling machine set at a predetermined working position, Fig. 2 is a side view thereof, and Fig. 3 is another embodiment. It is a partially omitted front view showing. 1... Straddle type rolling machine, 2, 3... Legs (2...
front leg, 3...rear leg), 4... mount, 5... exciter,
7... Engine, 8... Compact plate, 10, 13...
Small structure (10... Concrete U-shaped groove, 1
3... concrete wall).

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A compaction machine that backfills soil around a small structure installed underground and then compacts it by compacting it, with legs on both the left and right sides. a pedestal having a section, a vibrator installed on the pedestal to vibrate the pedestal, and an engine that drives the vibrator, and the leg part straddles the small structure. They are provided at a predetermined distance from each other so as to support the pedestal when the pedestal is in use, and at the lower ends of the left and right legs, rolling plates are provided, respectively, to compact the soil by vibrating with the pedestal. This is a straddle type rolling machine that is characterized by: (2) The left and right legs are arranged at the front and rear of the stand, respectively, and each of the front and rear legs is tilted downward and rearward by a predetermined amount. A straddle-type rolling machine according to claim (1) of patent registration.