JPH11256512A - Lateral leveling device for paving material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paving material lateral leveling device in which the mounting position of paving material side feeder (belt placer) on a base machine and the direction for putting a paving material into the paving material input part of a paving material receiving hopper from a dump truck are both variable so that a path of travel for the dump truck and the like and the advancing direction of the dump truck or the like are not singly determined but can be freely changed to provide operational convenience and advantages in terms of working efficiency. SOLUTION: A belt placer 11 is so formed as to be capable of being removably attached to a base machine 10 and to be capable of being attached selectively to the right and left sides of the base machine 10 across the construction part 13 of a concrete structure. The concrete input part of a concrete receiving hopper 15 used with a conveyor frame 17 is so formed that concrete can be put therein selectively from front and rear side positions across the concrete receiving hopper 15, at the right and left sides of the base machine 10 across the construction part 13 of the concrete structure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a structure such as concrete by intercepting a pavement material such as a ready-mixed concrete from a dump truck or the like from the side and spreading the same. The present invention relates to a leveling device, and more particularly, to a technique for improving its usability.

[0002]

2. Description of the Related Art Conventionally, in order to construct a continuous concrete structure having the same cross-section, a self-propelled construction device having a compaction device and a molding device is used to compact concrete into a predetermined shape while molding the concrete. 2. Description of the Related Art A slip form method for continuously constructing a concrete structure is known.

[0003] In this case, a raw concrete from a dump truck or the like is laterally taken in and laterally laid, and a concrete horizontal laying and leveling device is provided. And three finishing machines, which are responsible for spraying the curing agent, make up one set.

[0004]

As shown in FIG. 9, the above-mentioned concrete horizontal laying apparatus comprises a frame portion 2 which is disposed so as to cross a building portion 1 of a concrete structure, and the frame portion. 2, a self-propelled base machine 4 including a running section 3 provided at the bottom on both sides in the transverse direction, and a concrete lateral supply device (belt placer) 5 mounted on the base machine 4. A conveyor frame including a concrete receiving popper 6 whose concrete input portion is located outside the concrete structure building portion 1 and a conveyor belt 7 whose concrete discharge portion is located at the concrete structure building portion 1. Belt placer 5 including base machine 4 and base machine 4
And a screed (not shown) integrally provided with the auger 9 to spread the pavement material and to spread the pavement material. It is configured.

[0005] However, in the conventional apparatus for leveling a horizontal spread of concrete, the position of the belt placer 5 with respect to the base machine 4 is determined in advance.
The position of the dump truck 10 with respect to the concrete receiving popper 6 is a fixed position and cannot be changed. That is, the belt placer 5 can be attached to only one of the left and right sides of the concrete structure 1 of the base machine 4 with the construction part 1 interposed therebetween, and the concrete input portion of the concrete receiving popper 6 in the conveyor frame 8 is: Concrete receiving popper 6
Concrete can be poured only from one of the front and rear side positions sandwiching.

For example, when the positions of the concrete receiving popper 6 and the conveyor frame 8 with respect to the base machine 4 are determined as shown in FIG. 9, the position of the dump truck 10 with respect to the concrete receiving popper 6 is as illustrated. For this reason, once the position of the belt placer 5 with respect to the base machine 4 is determined, as shown in FIG. 9, with respect to the current traveling path A of the dump truck 10 and the other approach direction a of the dump truck. Other traveling directions B and other approach directions b of the dump truck cannot be applied, which is inconvenient for work, and disadvantageous in work efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and has a variable mounting position of a pavement material lateral supply device (belt placer) with respect to a base machine. The pavement material input direction from the dump truck etc. to the pavement material input section is variable, and the traveling path of the dump truck etc. and the approach direction of the dump truck etc. are not uniquely determined and can be changed freely, which is convenient for work. It is an object of the present invention to provide an apparatus for leveling a pavement material which is advantageous in work efficiency.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the invention according to claim 1 comprises a frame portion disposed so as to cross a construction portion of a structure such as concrete, and a crossing portion of the frame portion. A self-propelled base machine including a traveling section provided at the bottom of both sides in the direction, and a pavement material lateral supply device equipped with the base machine, wherein the pavement material input section has the structure described above. A pavement material side comprising a conveyor frame comprising: a pavement material receiving popper positioned outside a building part of the structure; and a conveyor belt having a pavement material discharge part positioned at the building part of the structure. And a pavement material diffusion auger mounted on the base machine, for diffusing the pavement material supplied by the pavement material side supply device, and provided integrally with the auger, And a screed for leveling the material, wherein the paving material from the pavement material transporting vehicle is intercepted from the side, and the paving material is leveled. The apparatus is characterized in that it can be attached to and detached from the base machine, and can be selectively attached to both left and right sides of the base machine with the construction part of the structure interposed therebetween.

According to a second aspect of the present invention, the pavement material input section of the pavement material receiving popper in the conveyor frame includes the pavement material at right and left sides sandwiching a construction portion of the structure of the base machine. It is characterized in that the pavement material can be charged from both front and rear positions orthogonal to the direction in which the receiving popper extends.

According to a third aspect of the present invention, the paving material receiving popper is provided with a spill preventing portion for the paving material.
The spill-preventing portion is formed of a spill-preventing member that is configured to be detachable from each of the front and rear side edges of the pavement material receiving popper and that can be selectively attached to the left and right side edges.

According to a fourth aspect of the present invention, the conveyor frame can be bent at a boundary between the paving material receiving popper and the conveyor belt, and the paving material receiving popper can be folded in a substantially vertical direction. It is characterized by.

The invention according to claim 5 is characterized in that the conveyor frame is slidably mounted on a frame portion of the base machine and can be stored inside the frame portion.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 are a front view and a plan view, respectively, showing a schematic structure of an embodiment of a horizontal paving material leveling device according to the present invention, and FIGS. 3 and 4 are front views, respectively, showing the detailed structure thereof. And a plan view.

In these figures, a horizontal laying apparatus for concrete as a pavement material includes a self-propelled base machine 10, a concrete lateral feeder (belt placer) 11 mounted on the base machine 10, and It comprises a concrete diffusion auger 12 mounted on the base machine 10 and a screed 12A provided integrally with the auger 12 to spread the pavement material.

The self-propelled base machine 10 includes a frame portion 14 disposed so as to cross a building portion 13 of a concrete structure, and a traveling portion 22 provided at the bottom of both sides of the frame portion 14 in the transverse direction. And is comprised.
The main frame 14A of the frame section 14 has a telescopic extension structure for pavement having a predetermined width, and the width thereof is variable.

The self-propelled base machine 10 is also equipped with an engine, a hydraulic system, a steering and leveling system, and the like. The belt placer 11 includes a concrete receiving popper 15 having a concrete input portion located outside the concrete structure building portion 13 and a conveyor belt 16 having a concrete discharging portion located at the concrete structure building portion 13 side. And a conveyor frame 17 having the following.

The belt placer 11 is provided with a hydraulic drive for the conveyor belt 16. The concrete horizontal laying apparatus of this configuration laterally lays concrete from, for example, a dump truck 18 as a concrete transport vehicle and spreads it.

Here, in this configuration, the belt placer 11 can be attached to and detached from the base machine 10, and the construction part 13 of the concrete structure of the base machine 10 can be installed.
Can be selectively attached to the left and right sides with the. Further, the concrete input portions of the concrete receiving poppers 15 in the conveyor frame 17 are connected to the front and rear sides of the concrete receiving poppers 15 between the right and left sides of the concrete structure of the base machine 10, respectively. It is configured to be able to put concrete selectively from the position.

In this case, the concrete receiving popper 1
As shown in FIG. 7, a concrete spill-preventing portion is provided on the concrete receiving popper 5, which can be detachably attached to the front and rear side edges of the concrete receiving popper 15 by fasteners 20 such as bolts and nuts, and The concrete receiving popper 15 is constituted by a spill-stop member 19 that can be selectively attached to the left and right side edges.
Can be selectively changed to one of the front and rear sides.

Further, as shown in FIG. 5, the conveyor frame 17 can be bent at the boundary between the concrete receiving popper 15 and the conveyor belt 16, so that the concrete receiving popper 15 can be folded in a substantially vertical direction. ing. As shown in FIG. 6, the conveyor frame 17 may be slidably mounted on the frame section 14 of the base machine 10 so that the conveyor frame 17 can be stored inside the frame section 14.

According to this configuration, the belt placer 11
Can be selectively attached to both the left and right sides of the base machine 10 with the concrete structure building portion 13 interposed therebetween. The concrete receiving portion of the concrete receiving popper 15 in the conveyor frame 17 Because it is a configuration that can selectively put concrete from both front and rear side positions sandwiched between
For example, the position of the conveyor frame 17 with respect to the base machine 10 shown by the solid line in FIG. 2 can be changed to the position of the conveyor frame 17 shown by the dotted line in FIG.

For example, the approach direction of the dump truck 18 shown by the solid line in FIG. 2 can be changed to the approach direction shown by the dotted line in FIG. For this reason, in FIG.
Instead of the traveling path A of the dump truck 18 and the approach direction a of the dump truck 10, another traveling path B or the dump truck 1 is used.
8, other approach directions b, c, and d can be applied, which is convenient in work and advantageous in work efficiency.

In particular, as shown in FIG. 8, when a plurality of concrete structures 21 having a predetermined pavement width are sequentially constructed, the belt placer 11 is sandwiched between the concrete structure construction portions 21 of the base machine 10. The work can be performed by selectively attaching and using both the left and right sides of the concrete, and selectively putting concrete from the left and right sides of the concrete receiving popper 15 from the dump truck 18 (arrows indicate the direction of entry of the dump truck). It can be done easily.

The conveyor frame 17 can be bent at the boundary between the concrete receiving popper 15 and the conveyor belt 16 so that the concrete receiving popper 15 can be bent.
Is configured to be substantially vertically foldable, or
Since it is configured to be slidably mounted on the frame part 14 of the base machine 10 and to be stored inside the frame part 14, the conveyor frame 1
7 can be stored without protruding outward, and the base machine 10 can be moved smoothly.

[0025]

As described above, according to the first aspect of the present invention, there is provided an apparatus for leveling a pavement material from a side where a pavement material from a pavement material transport vehicle is intercepted and spread. Since the pavement material lateral supply device is configured to be detachable from the base machine and selectively attachable to the left and right sides of the base machine with the construction portion of the structure therebetween, a dump truck or the like is provided. The traveling path of the pavement material can be freely changed without being uniquely determined, and it is possible to provide a laterally laying apparatus for paving material which is convenient in work and advantageous in work efficiency.

According to the second aspect of the present invention, as in the third aspect of the present invention, the paving material spill preventing portion of the paving material receiving popper can be detachably attached to each of the front and rear side edges of the paving material receiving popper. And a paving material input portion of a paving material receiving popper in a conveyor frame, for example, comprising a spill-stop member configured to be selectively attachable to the left and right side edges, and a space between a building portion of the structure of the base machine. In each of the left and right side portions sandwiched between the pavement material receiving poppers, the pavement material can be charged from the front and rear side position orthogonal to the extending direction of the pavement material receiving popper, so that the approach direction of the dump truck or the like is not uniquely determined, and freely. It is possible to provide an apparatus for leveling the paving material which can be changed, which is convenient for work and advantageous for work efficiency.

According to the fourth aspect of the present invention, the conveyor frame can be bent at the boundary between the paving material receiving popper and the conveyor belt, and the paving material receiving popper can be folded in a substantially vertical direction. Alternatively, according to the invention according to claim 5, the conveyor frame is slidably mounted on the frame portion of the base machine, and is configured to be retractable inside the frame portion. It can be stored without overhanging, and the base machine can be moved smoothly.

[Brief description of the drawings]

FIG. 1 is a front view showing a schematic structure of an embodiment of an apparatus for leveling a pavement material according to the present invention.

FIG. 2 is a plan view thereof.

FIG. 3 is a front view showing the detailed structure of one embodiment of the horizontal paving material leveling apparatus according to the present invention.

FIG. 4 is a plan view thereof.

FIG. 5 is a front view showing a bent structure of the conveyor frame.

FIG. 6 is a front view showing the storage structure of the conveyor frame.

FIG. 7 is a side view showing a detachable structure of a concrete spill-prevention member.

FIG. 8 is a schematic plan view illustrating an effect of the embodiment of the present invention.

FIG. 9 is a perspective view showing the structure of an example of a conventional concrete horizontal laying apparatus.

[Description of Signs] 10 Self-propelled base machine 11 Concrete side feeding device (belt placer) 12 Concrete diffusion auger 12A screed 13 Concrete structure construction part 14 Frame part 15 Concrete receiving popper 16 Conveyor belt 17 Conveyor frame 18 Dump Truck 19 Spill-stop member 22 Running part

Claims (5)

[Claims] 1. A self-contained structure including a frame portion disposed so as to cross a construction portion of a structure such as concrete, and a traveling portion provided at a bottom portion on both sides in a transverse direction of the frame portion. A traveling base machine, a pavement material lateral supply device provided in the base machine, a pavement material receiving popper in which a pavement material input unit is located outside a construction part of the structure, and a pavement material discharge. A pavement material lateral supply device comprising a conveyor frame comprising: a conveyor belt having a portion positioned on a building portion of the structure; and a pavement material lateral supply device mounted on the base machine. A pavement material diffusing auger that diffuses the supplied pavement material; and a screed that is provided integrally with the auger and spreads the pavement material. Intercept Luo paving material from the side,
In the horizontal paving material leveling device for laying the paving material, the paving material lateral supply device is detachable from the base machine, and the left and right sides of the base machine between the structural parts of the structure. An apparatus for horizontally laying pavement material, characterized in that it can be selectively attached to both sides. 2. A pavement material receiving portion of a pavement material receiving popper in the conveyor frame, wherein a pavement material receiving popper is disposed on each of left and right sides of the base machine with a construction portion of the structure therebetween. 2. The horizontal laying apparatus for paving material according to claim 1, wherein the paving material can be introduced from both front and rear sides orthogonal to each other. 3. A paving material receiving popper is provided with a paving material spill-stop portion, and the spill preventing portion is detachable from front and rear side edges of the paving material receiving popper, respectively, and the left and right side edges are provided. 3. The leveling device according to claim 2, further comprising a spill-stop member configured to be selectively attached to the portion. 4. A conveyor frame according to claim 1, wherein said conveyor frame can be bent at a boundary between said paving material receiving popper and said conveyor belt, and said paving material receiving popper can be folded substantially in a vertical direction. The apparatus for horizontally laying pavement material according to any one of claims 1 to 3. 5. The conveyor frame according to claim 1, wherein said conveyor frame is slidably mounted on a frame of said base machine and is housed inside said frame. An apparatus for leveling a pavement material according to any one of the preceding claims.