JP2984701B2 - Concrete distribution equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete distribution device for placing ready-mixed concrete pumped from a concrete pump by a transport pipe and a distribution hose.

[0002]

2. Description of the Related Art Generally, concrete distribution work is performed as shown in FIG.
As shown in (1), a transport pipe 13 is connected to a slab reinforcing bar 12 by a pipe joint, and one or a plurality of delivery hoses 14 are connected to the ends thereof, and the delivery hose 14 is cast while being manually moved. .

[0003] However, the above-mentioned manual method requires at least two people to move the distribution hose 14 at all times, and the distribution hose 14 filled with concrete is very heavy. This required a great deal of force, which also disturbed the slab reinforcing bar 12. In addition, when refilling the transport pipes or when crossing a cut-out for a wall or the like, several additional persons are required, and labor saving has been demanded.

Conventionally, as shown in FIG. 10, an articulated type horizontal distribution device has been developed to meet the above-mentioned demand. However, it is very heavy and requires not only a crane for assembly and removal, but also It takes time and effort, and there is a possibility that the mounting column may be damaged due to the entire moment of the device acting on the mounting column,
Further, there is a problem that the working range is limited.

Conventionally, as shown in FIG. 11, an apparatus of a type in which an articulated boom is suspended by a crane and delivered has been developed. There was a problem that sufficient space for the crane had to be secured above the installation place.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a light-weight and simple construction of the apparatus so that it can be transported by human power. It is an object of the present invention to provide a concrete distribution device which is easy to assemble and has little influence on a change of pipes and a reinforcing bar.

[0007]

Means for Solving the Problems A concrete distribution device of the present invention comprises a plurality of transport pipes which are connected by a swivel joint so as to be freely bent, movably supports the transport pipes, and rotates with respect to the transport pipes. In a concrete distribution device including a two-wheel caster having wheels freely provided and a distribution hose connected to a distal end of the transport pipe on the distal end side of the plurality of transport pipes, the two-wheel caster is connected to the plurality of transport pipes. Are arranged in every other transport pipe among the transport pipes. In addition, the two-wheel caster
Two wheels, a wheel frame that supports these wheels, a column that is integrally mounted upright from the center of the wheel frame, and is rotatably mounted on the column through a thrust bearing. It is also characterized in that it comprises a rotating column and a pipe band fixed to the upper end of the rotating column and fixing the transport pipe. further,
It is also characterized in that a drive motor and a clutch are provided on the wheels.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a transport pipe whose both ends are bent upward or downward at a right angle, and are connected to an adjacent transport pipe 1 via a swivel joint 2. Therefore, these transport pipes 1 freely rotate around the swivel joint 2 as shown in FIG.
It is bent in a zigzag shape as a whole, and the entire length can be expanded and contracted. A delivery hose 3 is attached to the tip of the transport pipe 1 'on the tip side. As shown in FIG. 2, the delivery hose 3 is swung right and left by a motor with a speed reducer and a transmission gear.

A is a two-wheel caster. As shown in FIGS. 3 and 4, two wheels 4, a wheel frame 5 supporting these wheels 4, and an upright center from the center of the wheel frame 5. And a rotating column 8 rotatably attached to the column 6 via a thrust bearing 7 and an upper end of the rotating column 8, and the transport pipe 1. And a pipe band 9 for fixing the same.

The wheel 4 has a wide ultra-low pressure tire,
The contact pressure to the rebar is reduced. The left and right wheels 4 are independently driven to rotate by a motor 10 with a speed reducer and a clutch 11, respectively. These motors 1
0 and the clutch 11 are operated by wire or wirelessly.

Since the support 6 and the rotary support 8 can rotate freely with each other by a thrust bearing 7, the transport pipe 1 can be directed in a free direction with respect to the two-wheel caster A, or The two-wheel caster A can be moved in any direction regardless of the direction of the transport pipe 1.

In order to change the direction of the two-wheel caster A, the right and left wheels 4 are rotated in opposite directions as shown in FIG. it can.

In order to move the two-wheel caster A,
By rotating the left and right wheels 4 in the same direction, FIG.
Is moved in the direction of the wheel 4 as shown in FIG.

By combining the operations of the direction change and the movement of the two-wheel caster A as described above, the parallel movement and the turning operation of the transport pipe 1 can be performed as shown in FIG. In the above-described parallel movement operation, the direction of the wheels 4 of the two-wheel casters A is changed little by little with the movement of the transport pipe 1 so as not to disturb the slab rebar. In the turning operation described above, it is preferable that the clutch 11 of the wheel 4 of the two-wheel caster A ″ is free, and only the wheel 4 of the two-wheel caster A ′ is driven by the motor 10.

Further, as shown in FIG. 8, it is also possible to cause all or a part of the two-wheel casters A to move in the same direction so that the telescopic operation can be performed.

[0016]

1) Since the structure is simple and lightweight, it can be easily transported or assembled by human power. 2) There is little change in piping. 3) Since the wheels are rolled without difficulty at low pressure, there is no fear of disturbing the rebar.

[Brief description of the drawings]

FIG. 1 is a side view showing one embodiment of a concrete distribution device of the present invention.

FIG. 2 is a plan view of the apparatus of FIG.

FIG. 3 is a front view of a partial cross section of the two-wheel caster.

FIG. 4 is a side view of a two-wheel caster.

FIG. 5 is an explanatory diagram of a direction change of a two-wheel caster.

FIG. 6 is an explanatory view of movement of a two-wheel caster.

FIG. 7 is an explanatory view of parallel movement and turning of the device of FIG. 1;

FIG. 8 is an explanatory view of the expansion and contraction operation of the device of FIG.

FIG. 9 is an explanatory view of a conventional concrete placing operation.

FIG. 10 is an explanatory view of a conventional concrete distribution device.

FIG. 11 is an explanatory view of another conventional concrete distribution device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Transport pipe 1 'transport pipe 2 Swivel joint 3 Distribution hose 4 Wheel 5 Wheel frame 6 Support shaft pipe 7 Thrust bearing 8 Rotating shaft pipe 9 Pipe band 10 Motor 11 Clutch A 2 wheel caster A' 2 wheel caster A "2 wheel caster

Continuation of the front page (72) Inventor Shuichi Ueno 1-22-1-724, Weir, Tama-ku, Kawasaki-shi, Kanagawa (56) References Japanese Utility Model 4-18151 (JP, U) Japanese Utility Model Utility Model 55-107558 (JP, U.S.A.) U) Tokiko Hei 7-68769 (JP, B2) Jiko Hei 6-29362 (JP, Y2) Jiko 50-2664 (JP, Y2) (58) Fields surveyed (Int. Cl. ⁶ , DB name) ) E04G 21/04

Claims (3)

(57) [Claims] 1. A two-wheel caster comprising: a plurality of transport pipes connected by a swivel joint so as to be freely bent; and a wheel caster supporting the transport pipes movably and providing wheels rotatably with respect to the transport pipes. In the concrete distribution device including a distribution hose connected to a tip of a transport pipe on a distal end side of the plurality of transport pipes, the two-wheel caster is connected to every other transport pipe of the plurality of transport pipes. A concrete distribution device which is arranged. 2. A two-wheel caster comprising: two wheels; a wheel frame for supporting the wheels; and a column integrally mounted upright from a central portion of the wheel frame.
A rotating column which is rotatably mounted on the column via a thrust bearing and a bearing, and a pipe band which is mounted on an upper end portion of the rotating column and fixes the transportation pipe. Item 2. The concrete distribution device according to Item 1. 3. The concrete distribution device according to claim 2, wherein a drive motor and a clutch are provided on the wheels.