JP2019002261A - Compaction machine for soil pavement material - Google Patents

Abstract

To provide a compaction machine for soil pavement suitable for a compaction operation in a soil paving work using a soil pavement material that is hard mixed in advance.SOLUTION: A compaction machine 1 for soil pavement for use in a compaction operation at the time of soil paving is constituted by: a plurality of compaction rollers 2, 3 each configured by a cylindrical body having a predetermined length and arranged at regular spacings; a support frame 4 for rotatably supporting the plurality of compaction rollers 2, 3; and a manipulation handle 10 provided on the support frame 4. The compaction machine 1 is used in the compaction operation at the time of soil paving, so that an equalized compaction surface can be obtained by the operation of the compaction action on the soil pavement material layer and the equalization action on the front surface side of the soil pavement material, and in turn a soil pavement surface with high precision can be obtained.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a compacting machine for a soil pavement material for rolling a soil pavement material to obtain a flat road surface, and more particularly to a compact structure for a soil pavement material having a simple structure that can be manually operated.

  In recent years, soil pavement using soil, which is a natural material, has attracted attention as road pavement with excellent environmental conservation. In simple terms, this soil pavement forms a crushed stone layer with excellent water permeability on the groundbed layer that has been digged up, and after laying a soil pavement material on this crushed stone layer, It is compacted by rolling from the surface side, and this is used as the road surface.

  Such soil pavement is roughly divided into two pavement methods from the pavement process.

First Pavement Method The first pavement method is, for example, as disclosed in Patent Document 1, a crushed stone layer having a predetermined thickness is formed on a dug-up roadbed layer, and the crushed stone layer is further formed on the crushed stone layer. A soil pavement made by mixing a solidified material or the like with soil at a predetermined ratio is spread to a predetermined thickness. Next, after sufficiently spraying water on the soil pavement material layer, a flat road surface is obtained by rolling with a compactor equipped with a compact roller having a large diameter and a large weight as disclosed in Patent Document 2.

  In this pavement method, there is an advantage that the solidified material penetrates between the soil particles and the kneading is promoted by increasing the fluidity by spraying a large amount of water on the spread soil pavement material, but by the water spray There is a drawback that the solidified material or the like on the surface side of the soil pavement material layer is washed away and sinks to the lower side of the soil pavement material layer, so that uniform kneading of the entire soil pavement material layer is hindered.

  As described above, as a means for solving these problems, the above-described highly fluid pavement material layer is rolled by using a rolling mill having a rolling roller having a large diameter and a large weight. That is, by using a compactor equipped with such a heavy-weight compaction roller, the solidified material or the like that sinks to the lower side of the dirt pavement layer by the rolling load rises to the surface side of the dirt pavement. Uniform kneading of the soil pavement material is realized.

  On the other hand, the surface of the roadbed layer located at the bottom layer has a low level of unevenness, and a crushed stone layer is laid on the uneven surface with a predetermined thickness. Since the material layer is spread and leveled, even if the surface of the crushed stone layer is leveled, the actual thickness of the crushed stone layer changes corresponding to the unevenness of the surface of the roadbed layer. Therefore, when the soil pavement material is spread on the crushed stone layer with a predetermined thickness, and the soil pavement layer is rolled, the thickness of the crushed stone layer is increased by the rolling pressure. In the position corresponding to the portion that is largely crushed and concave, the amount of the pavement material is insufficient, and conversely, the crushed stone layer is thin and corresponds to the portion that is convex due to the small amount of crushed by rolling. Since the amount of soil pavement material is excessive at the location, it is necessary to move the surplus soil pavement material to the part where the soil pavement material is insufficient and to level the surface of the soil pavement material layer. Is realized by rolling a pavement material layer having high fluidity with a rolling machine having a rolling roller having a large diameter and a large weight.

The second pavement method The second pavement method is to form a crushed stone layer with a predetermined thickness on the excavated roadbed layer, and at the construction site, add necessary additives such as soil, cement, water and solidification material. The added soil pavement material is agitated and kneaded in a mixer, and the soil pavement material in a kneaded state (relatively low fluidity, hardness enough to maintain the grip shape when gripped by hand) After making and laying it on the crushed stone layer with a predetermined thickness, the soil pavement material layer is rolled to obtain a flat road surface.

  The problem here is the rolling method for the pavement material layer. That is, also in the second pavement method, as in the case of the first pavement method, the crushed stone layer formed on the roadbed layer corresponding to the uneven shape of the base roadbed layer is formed. Since the actual height is different, when a clay pavement material is spread on the crushed stone layer with a predetermined thickness and then rolled, the unevenness of the crushed stone layer is the surface of the pavement material layer, that is, the rolling pavement layer. It appears in the pressure road surface.

  Such a problem is solved by the fluidity of the soil paving material layer in the case of the first paving method, but the soil paving material layer in the second paving method is kneaded and has a relatively low fluidity. Therefore, it cannot be solved by liquidity.

  That is, in this second paving method, a compactor having a large diameter and heavy weight compaction roller similar to the case of the first paving method is often used. Since the wedge-shaped narrow angle between the surface of the pavement material to be pressed and the lower surface of the pressure roller is very small, most of the rolling load acts as a pressing load against the pavement, for example In addition, there is almost no action of pushing the surplus soil pavement material forward in the rolling direction along with the rolling of the rolling roller, and as a result, the uneven state of the surface of the obtained soil pavement material is hardly improved, which is preferable. It is hard to say that it is a rolling method.

  For this reason, although it is not a technically established method yet, a wooden slab of a predetermined length is prepared, and the wooden slab is manually pressed while the surface of the pavement material layer is beaten. Therefore, it has been attempted to achieve uniform rolling pressure of the soil pavement layer by moving the surplus soil pavement material in the soil pavement material layer to the part where the soil pavement material is insufficient by tapping vibration. At present, the rolling method using wooden timber is recognized as the most suitable for pavement construction using hard kneaded pavement.

JP 2011-190574 A JP 2000-212910 A

  However, as described above, the method of rolling while hitting the surface of the pavement material layer with wooden squares by hand, has the advantage of being able to obtain a uniform rolling surface as much as possible, Since this is a manual rolling work, there is a problem that the working efficiency is poor and the rolling cost is high.

  Then, this invention is made | formed for the purpose of proposing the compacting machine for soil pavements suitable for being used in the soil pavement construction using the soil pavement material hardened beforehand.

  In the present invention, the following configuration is adopted as a specific means for solving such a problem.

  In the first invention of the present application, a compacting machine for dirt pavement used for the compaction work at the time of dirt pavement is composed of a plurality of rolling rollers that are configured by a cylindrical body of a predetermined length and are arranged in parallel at predetermined intervals. It is characterized by comprising a support frame that supports the plurality of rolling rollers in a rollable manner and an operation handle provided on the support frame.

  The second invention of the present application is characterized in that, in the first invention, the diameter dimension of the rolling roller is set in a range of 100 mm to 200 mm.

  The third invention of the present application is characterized in that, in the first or second invention, the operation handle can be rotated forward and backward in a rolling direction of the plurality of rolling rollers.

  A fourth invention of the present application is characterized in that, in the first invention, the axial edge of the pressure roller is chamfered in an arc shape.

  The fifth invention of the present application is characterized in that, in the first, second, third, or fourth invention, a rolling load adjusting portion is provided on the support frame.

  In the present invention, the following effects can be obtained.

(A) 1st invention of this application According to the compaction machine for soil pavement which concerns on 1st invention of this application, when the ground pavement material kneaded beforehand is spread and this is rolled by the said compaction machine, work When a person holds the operation handle and pushes and pulls the pressure roller, the plurality of pressure rollers roll, and a rolling pressure is applied to the pavement material via the pressure roller, which is compressed. .

  Also, at this time, for example, when unevenness occurs on the surface side of the soil pavement material corresponding to the unevenness of the crushed stone layer or the roadbed layer below the soil pavement material layer, there is an excessive state of soil pavement material in the convex part Thus, the pavement material is insufficient in the recessed portion. For this reason, if the pavement material is rolled as it is, irregularities are generated on the rolling surface, and uniform rolling pressure cannot be realized.

  In this case, in the compactor of the present invention, when the compaction roller rolls, the surplus soil pavement material moves while being held in a raised state on the front surface portion in the rolling direction of the compaction roller, When the deficient portion is reached, the surplus pavement material is discharged to the deficient portion, thereby promoting the leveling of the surface of the pavement material.

  That is, according to the rolling compactor of the present invention, this is used for the compacting operation at the time of soil pavement, thereby cooperating between the compaction action on the soil pavement material layer and the leveling action on the surface side of the soil pavement material layer. Thus, a flat rolling surface can be obtained, and thus a highly accurate dirt pavement surface can be obtained.

(B) 2nd invention of this application In the 2nd invention of this application, since the diameter dimension of the said rolling roller is set to the range of 100 mm-200 mm, the rolling action to the pavement material by the said rolling roller And the processing effect | action of a surplus soil pavement material is juxtaposed, and the effect as described in said (a) is further accelerated | stimulated. That is, if the rolling roller has a diameter of 100 mm or less, the scraping action of the surplus soil pavement material is promoted, but the rolling area with respect to the soil pavement material becomes too small, and the rolling action is reduced. If the diameter of the rolling roller is 200 mm or more, the narrow angle between the surface of the soil pavement material and the surface of the rolling roller becomes too small, and the scraping action of the excess soil pavement material by the rolling roller becomes almost anyway. Even so, the basic requirement of uniform rolling pressure cannot be satisfied.

(C) Third invention of the present application In the third invention of the present application, in the first or second invention, the operation handle can be rotated back and forth in the rolling direction of the plurality of rolling rollers. Therefore, by appropriately changing the rotation position of the operation handle, for example, it is possible to easily select the work mode, such as performing the compaction work on the surface of the soil pavement while pulling or pushing the compactor. It becomes.

  Also, when rolling while reciprocating on the pavement material, if the direction of the operation handle is changed at the turning point, the rolling direction can be reversed without changing the direction of the compacting machine, and workability is good. Become.

(D) 4th invention of this application In the 4th invention of this application, since the edge of the axial direction of the said rolling roller is chamfered in circular arc shape in the said 1st invention, the rolling pressure with respect to a pavement material When the work is divided into multiple times for each row, and rolling is performed while overlapping the edge of the previous rotational pressure part and the edge of the next rotational pressure part by a predetermined width, for example, the surface height of the previous rotational pressure part and the next rotational pressure part Even if there is a difference in the surface height, the stepped portion appears as an arc-shaped cross section, so that, for example, the appearance becomes better than when the end of the rolling roller has an acute edge shape. High quality dirt pavement surface can be obtained.

(E) Fifth invention of the present application In the fifth invention of the present application, in the first, second, third, or fourth invention, the support frame is provided with a rolling load adjusting portion. The rolling load (that is, the thickness of the soil pavement layer in the state where the soil pavement material is layered and leveled, or the change in the rolling speed of the compactor, etc.) , The total weight on the compactor side) needs to be changed and adjusted, it is possible to easily adjust the compaction load by mounting an adjustment weight on the compaction load adjustment part, and as a result high quality pavement A road surface can be obtained.

  1 is an overall perspective view of a compactor according to an embodiment of the present invention.   It is A arrow directional view of FIG.   It is BB sectional drawing of FIG.

  1 to 3 show a compactor 1 according to an embodiment of the present invention. This compacting machine 1 is mainly used for compacting work in soil pavement work, and supports a pair of compacting rollers 2 and 3 and the pair of compacting rollers 2 and 3 so that they can roll. The frame 4 and an operation handle 10 provided on the support frame are provided.

"Rolling roller 2, 3"
The rolling roller 2 and the rolling roller 3 are both formed of a circular tube having a predetermined thickness, and the diameter is set in a range of 100 mm to 200 mm. In this embodiment, the length of each of the rolling rollers 2 and 3 is set in the range of 400 mm to 500 mm. Further, each of the rolling rollers 2 and 3 has its axial end chamfered in an arc shape. Note that the weight of each of the rolling rollers 2 and 3 is not specified.

"Frame 4"
The frame 4 supports the rolling rollers 2 and 3 arranged in parallel at a predetermined interval so as to be capable of rolling, and the rolling rollers are provided at both right and left ends of the rolling rollers 2 and 3. Two or three pivot pins 8, 8 are rotatably supported by strip plate-like shaft supporting members 5, 5, and ends of the pair of shaft supporting members 5, 5 on the side of the pressure roller 2. And a connecting material 7 that connects the ends of the pair of shaft supporting members 5 and 5 on the side of the pressure roller 3 are integrally coupled.

  Each of the rolling rollers 2 and 3 is rotatably supported by pivot pins 8 and 8 that are respectively inserted into both ends of the shaft support member 5, and depends on the length of the shaft support member 5. The facing distance is defined.

  The connecting member 6 has a substantially U-shaped bent shape, and both end portions thereof are coupled to one end side of each of the shaft supporting members 5, while an intermediate portion thereof is formed on the outer peripheral surface of the rolling roller 2. Proximity extends approximately parallel to this. And the scraper 13 (refer FIG. 3) which scrapes off the dirt pavement material adhering to the outer peripheral surface of the said compaction roller 2 one by one is attached to the intermediate part of this connection material 6. As shown in FIG.

  Further, the connecting member 7 has a substantially U-shaped bent shape, similar to the connecting member 6, and its both end portions are coupled to one end side of each of the shaft supporting members 5, while its intermediate portion is the above-mentioned The rolling roller 3 extends close to and in parallel with the outer peripheral surface of the roller 3. A scraper 14 (see FIG. 3) for scraping off the dirt pavement material adhering to the outer peripheral surface of the rolling roller 3 is attached to an intermediate portion of the connecting material 6.

"Operation handle 10"
The operation handle 10 is used when the compaction machine 1 is operated manually, and a pair of left and right arms 11 and 11 and the tip portions of the pair of arms 11 and 11 are connected to each other. It is constituted by a gripping rod 12 having a handle 12a at its intermediate position. The other end of each arm 11 is pivotally supported by a fulcrum pin 9 at the center of the shaft support member 5 in the length direction of the operation handle 10. It can rotate arbitrarily to the pressure roller 2 side and the pressure roller 3 side.

`` Rolling load adjustment part ''
Further, above the opposing position of each of the rolling rollers 2 and 3, a rectangular shape is supported by a pair of left and right brackets 16 and 16 extending upward from the pair of left and right shaft support members 5 and 5. A box-shaped weight table 15 is attached. The weight table 15 corresponds to a rolling pressure load adjusting unit in the claims, and by placing a load 17 on the weight table 15 (see FIG. 3), the weight of the entire pressure roller 1, that is, the earth The rolling load on the pavement is adjusted.

"Operation explanation of the compaction machine 1"
Then, with reference to FIG. 3, the operating state etc. of this compacting machine 1 in the case of performing soil pavement using the said compacting machine 1 are demonstrated.
“Pavement”
When pavement, first, a crushed stone layer R2 is formed by spreading a crushed stone to a predetermined thickness (for example, about 50 mm) above a roadbed layer R1 formed by digging to a predetermined depth. Then, on the upper side of the crushed stone layer R2, the soil pavement material kneaded in advance in a kneaded state is spread to a predetermined thickness (for example, about 50 mm) to form the soil pavement material layer R3.

  The soil pavement material layer R3 is obtained by stirring and kneading a soil pavement material raw material to which necessary additives such as soil, cement, water, and a solidifying material are added, into a kneaded state. As described above, the kneaded state is relatively low in fluidity and is hard enough to maintain the gripping shape when gripped by a hand.

"Rolling work"
In the rolling operation, as shown in FIG. 3, a load 17 having a predetermined weight is placed on the weight table 15 to adjust the weight of the entire compacting machine 1. The total weight of the compacting machine 1, that is, the rolling load is not set uniformly. For example, the hardness of the soil paving material, the thickness of the soil paving material layer R3, the density of the soil paving material layer R3, Further, it is determined in consideration of various conditions such as the smoothness of the surface of the roadbed layer R1.

  In actual rolling work, even if the surface of the crushed stone layer R2 is flattened, the surface of the base roadbed layer R1 is usually not flat but uneven, so the roadbed Layer R1 The substantial thickness of the crushed stone layer R2 formed on the roadbed layer R1 is different according to the unevenness of the roadbed layer R1. Therefore, when a soil pavement material is spread on the crushed stone layer R2 with a predetermined thickness to form a soil pavement material layer R3, and this is crushed from the surface side to the soil pavement material layer R3, the crushed stone layer As described above, the difference in the substantial height of R2 appears as an uneven state on the surface R0 of the soil pavement material layer R3, making it difficult to obtain a flat rolling surface.

  However, such a problem is automatically solved during the rolling operation by using the rolling compactor 1 of this embodiment, and as a result, the rolling surface that is as flat as possible, that is, the rolling road surface is easy. Is obtained.

  That is, as shown in FIG. 3, when the compactor 1 is installed on the surface of the soil pavement material layer R3, and the compactor 1 is manually pushed or pulled to one side, the compactor 1 The rolling rollers 2 and 3 roll along with the movement of the roller, and the pavement material layer R3 is pressed by the load (self-weight of the rolling press 1) applied from the rolling rollers 2 and 3.

  Further, in parallel with the rolling action by each of the rolling rollers 2 and 3, the leveling action of the soil pavement material is executed. That is, as the rolling rollers 2 and 3 roll, the surface shape becomes convex in the portion where the thickness of the crushed stone layer is small because the amount of settlement due to the rolling pressure is small, and conversely the thickness of the crushed stone layer. Since the amount of settlement due to the rolling pressure of the crushed stone layer is large in the portion where the crushed stone is large, the surface shape is concave. As a result, in the soil paving material layer R3, the amount of the soil paving material is excessive at the position corresponding to the portion where the thickness of the crushed stone layer R2 is small, and conversely at the position corresponding to the portion where the thickness of the crushed stone layer R2 is large. The amount of soil paving material will be insufficient.

  However, as shown in FIG. 3, in this compactor 1, the surplus soil pavement material of the soil pavement material layer R3 moves while being held in a raised state on the front portions of the respective rolling rollers 2 and 3, and the soil pavement material By discharging this in the part where the amount is insufficient and making up for the shortage, leveling is achieved. The leveling action of the soil pavement material by the preceding rolling roller 2 by the preceding rolling roller 2 and the leveling action by the discharging action are similarly performed on the subsequent rolling roller 3 side. As a synergistic effect with the rolling action due to its own weight in 2 and 3, a more uniform rolling surface can be obtained.

  Moreover, in this embodiment, since the diameter dimension of each said rolling roller 2 and 3 is set to the range of 100 mm-200 mm, the surface of each said rolling roller 2 and 3 and the surface of a dirt pavement material are narrow. The angle is increased, and the holding action and the releasing action of the surplus soil pavement material by the respective rolling rollers 2 and 3 are promoted, and as a result, the flat rolling effect is surely obtained.

Others (1) In the above embodiment, the compactor 1 is manually operated, and the operator pushes and pulls it. However, the present invention is not limited to such a configuration, and the compactor 1 can also be equipped with a drive source to be self-propelled.

  (2) In the above-described embodiment, the compactor 1 is configured to statically apply a rolling force. However, the present invention is not limited to such a configuration. A vibration mechanism may be mounted so that a rolling force caused by vibration is added in addition to a static rolling pressure. In such a configuration, the rolling action on the soil pavement material is increased, and the leveling action by vibration is added to the soil pavement material, thereby further promoting the leveling rolling pressure effect.

  The soil pavement compactor according to the invention of the present application is a soil pavement, the soil pavement material previously kneaded at the construction site is spread on the surface to be paved, and this is rolled to obtain a flat rolling surface. It can be used in the soil pavement field.

DESCRIPTION OF SYMBOLS 1 ・ ・ Pressure machine 2 ・ ・ Rolling roller 3 ・ ・ Rolling roller 4 ・ ・ Frame 5 ・ ・ Shaft support material 6 ・ ・ Connection material 7 ・ ・ Connection material 8 ・ ・ Pivot pin 9 ・ ・ Supporting pin 10 ・· Operation handle 11 · · Arm 12 · · Grip bar 13 · · Scraper 14 · · Scraper 15 · · Weight stand 16 · · Bracket 17 · · Load

Claims (5)

A compacting machine for dirt pavement used for compaction work during dirt pavement,
A plurality of rolling rollers composed of a cylindrical body of a predetermined length and arranged in parallel at a predetermined interval, a support frame that supports the plurality of rolling rollers in a rollable manner, and an operation handle provided on the support frame A compacting machine for soil pavement characterized by comprising In claim 1,
The rolling roller has a diameter set in a range of 100 mm to 200 mm. In claim 1 or 2,
The above-mentioned operation handle is capable of rotating forward and backward in the rolling direction of the above-mentioned plurality of rolling rollers, In claim 1,
The rolling roller according to claim 1, wherein the roller in the axial direction is chamfered in an arc shape. In claim 1, 2, 3 or 4,
A rolling compaction machine for soil pavement, wherein the support frame is provided with a compaction load adjusting section.

Images