JPH0469707B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a horizontal distributor device for pouring concrete from a concrete pump onto the floor of a building.

<Prior Art> Conventionally, there is a horizontal distributor device shown in FIG. 6 (Japanese Unexamined Patent Publication No. 72174/1983). This horizontal distributor device includes a support base 2 fixed to a support post 1, a long first boom member 3 whose base is rotatably connected to the support base 2, and a base attached to the tip of the first boom member 3. a long second boom member 5 rotatably connected to the second boom member 5;
It is equipped with a long third boom member 6 whose base is rotatably connected to the tip of the boom member 3, and further includes a long third boom member 6 having a base connected to the tip thereof so as to be rotatable, and further includes a third boom member 6 near the base of the first boom member 3, near the connection point A of the first and second boom members 3 and 5, and a second boom member 6. , equipped with pivotable concrete pipe joints 7, 8, 11 near the connection point B of the third boom members 5, 6, and further provided with concrete pipe joints 7, 8, 11 on the outside of the first, second, and third boom members 3, 5, 6 along them. The concrete transfer pipe 12 is provided with concrete transfer pipes 12 arranged in parallel, and motors 14, 15, 16 provided at the base of the first boom member 3 and at each connection point A, B. Then, while pouring the concrete sent through the concrete transfer pipe 12 onto the floor of the building, the motors 14, 15, and 16 are driven to
The second and third boom members 3, 5, 6 and the concrete transfer pipe 12 are pivoted to desired positions.

<Problems to be Solved by the Invention> However, in the above-mentioned conventional horizontal distributor device, since the concrete transfer pipe 12 is arranged outside the first, second, and third boom members 3, 5, and 6, , necessitating an increase in their own stiffness and their weight, resulting in a motor 14 for pivoting the concrete transfer pipe 12 and the first, second and third boom members 3, 5, 6. , 15, 16 must be used, which poses a problem of high cost. Further, in the above-mentioned horizontal distributor device, the first, second,
Since the third boom members 3, 5, and 6 each consist of one member, their axial dimensions are constant, and there is a problem in that the axial length of the entire device cannot be changed. Further, in the horizontal distributor device, the first, second, and third boom members 3, 5,
Since the boom members 6 cannot be disassembled, the long first, second, and third boom members 3, 5, and 6 must be carried as they are, making transportation difficult.

Therefore, an object of the present invention is to provide a horizontal distributor that is lightweight, can be easily turned by hand, has a boom member that can be easily extended or shortened, can easily change the overall length of the boom member, and can be easily transported. The goal is to provide equipment.

<Means for Solving the Problems> In order to achieve the above object, the horizontal distributor device of the present invention includes a pedestal fixed to a column, a pedestal rotatably attached to the pedestal, and a concrete transfer device installed inside the pedestal. a base member having a pipe; a first boom member connected to the base member and having a concrete transfer pipe disposed therein; and a first boom member having a frame structure including one or more segments; A second boom member having a frame structure consisting of the above segments, one end of which is fixed to the tip of the first boom member, the other end of which is fixed to the base end of the second boom member, and a concrete transfer pipe is installed inside. and a balance weight segment provided on the opposite side of the rotary joint member from the second boom member, capable of replacing the segments of the first and second boom members, and having a concrete transfer pipe disposed therein. , and a hanging member that suspends the first boom member from the support column.

<Operation> When a worker applies force in a desired direction to the first boom member, the first boom member pivots about the base member while being maintained horizontally by the tension member. Further, if necessary, force is applied manually to the second boom member to rotate the second boom member around the rotary joint member. First,
Since the second boom member has a frame structure and the concrete transfer pipe is arranged within it, the length of the bent part of the concrete transfer pipe at the rotary joint member can be shortened, and the weight can be reduced. Therefore, the first and second boom members can be rotated manually by the operator without using a motor. Therefore, manufacturing costs are reduced. In addition, since the first and second boom members are constructed by connecting a plurality of segments, the total length of the first and second boom members can be changed freely, and when transporting to the site, the first and second boom members can be It can be disassembled into multiple segments for convenient transportation. In addition, when the concrete transfer pipe becomes worn, it can be easily replaced with a segment that also serves as a balance weight.

<Examples> The present invention will be described in detail below with reference to illustrated examples.

In Fig. 1, 21 is a pillar of the frame structure, 22
23 is a base member attached to the pedestal 22; 25 is a first boom member connected to the base member 23; 27 is a rotary joint member connected to the first boom member 25; a second boom member connected via 28; 31 is a balance weight segment provided on the opposite side of the second boom member 27 with the rotary joint member 28 in between;
A wire 33 serves as a hanging member for suspending the first boom member 25 from the support column 21.

The first boom member 25 is formed by connecting a plurality of segments 34 of a frame structure made of shaped steel removably to each other with bolts or the like. Segment 3 above
As shown in FIG. 2, a straight concrete transfer pipe 32 having removable quick coupling rings 39, 39 at both ends is disposed inside the pipe 4.
Concrete transfer pipe 3 in the segment 34 above
2 is fixed at two places on both ends by clamp members 36, 36. As shown in FIG. 4, the clamp member 36 is attached to a trapezoidal base 37 fixed to the segment 34, covers the concrete transfer pipe 32 from below, and secures the concrete transfer pipe 32 with bolts or the like. There is. As shown in FIG. 3, the segment 34 located at the base end of the first boom member 25 is fixed to the upper side surface of the base member 23, while the lower cylindrical portion of the base member 23 is fixed to the pedestal 2.
2, it can be rotated freely. The base member 23 has an elbow-shaped concrete transfer pipe 2 inside.
00 is placed. One end of the concrete transfer pipe 200 is fixed to the bottom plate 23a of the lower cylindrical portion of the base member 23, so that the concrete transfer pipe 200 and the base member 23 rotate together. This concrete transfer pipe 20
0 and a concrete transfer pipe 32 extending from a concrete pump (not shown) are connected by a quick coupling 35. The other end of the concrete transfer pipe 200 and the concrete transfer pipe 32 in the segment 34 are connected by a detachable quick coupling 39.

As shown in FIG. 5, the rotary joint member 28 includes a first member 41 having a box-shaped frame structure and a second member 42 having a box-shaped frame structure, which are rotatably connected to each other. One side of the first member 41 is connected to the segment 45 at the tip of the first boom member 25, while one side of the second member 42 is connected to the second boom member 27.
proximal segment 46 and a second
The other side of the member 42 is connected to the segment 31 which also serves as a balance weight. The balance weight segment 31 has a concrete transfer pipe 32 therein, and is constituted by a frame structure segment 34, and a balance weight 69 is attached to the opposite side of the second member 42. The moment applied to the rotary joint member 28 is alleviated by the balance weight segment 31 and the balance weight 69. On the other hand, a ring member 52 is fixed to the outer periphery of a cylindrical member 51 fixed to a plate 58 fixed to the upper part of the second member 42, and the outer periphery and lower part of the ring member 52 are provided at the lower part of the first member 41. The first member 41 and the second member 42 are connected to each other so as to be rotatable by being surrounded by a semicircular receiving member 53. An elbow 40 is provided inside the first member 41.
is fixed with a U bolt, one end of this elbow 40 is connected to the concrete transfer pipe 32 in the segment 45 by a removable quick cut spring 64, and the elbow 100 is fixed inside the second member 42 with a U bolt, One end of this elbow 100 is attached to the segment 4 by a detachable quick cut spring 65.
It is connected to the concrete transfer pipe 32 in 6. The elbow 40 and the elbow 100 are connected by a pivotable quick-cut spring 61.
Further, as shown in FIG. 1, the second boom member 27
A concrete transfer pipe 32 protrudes from the concrete transfer pipe 32 and is connected to a pouring hose 68.

According to the above configuration, since the first boom member 25 is suspended by the wire 33, the first boom member 25
Therefore, the weight of the first boom member 25 can be reduced together with the frame structure. Now, while pouring the concrete sent through the concrete transfer pipe 32 and the pouring hose 68 onto the building, the worker is manually placing the first
Press the boom member 25 lightly. Then, the first boom member 25 and the concrete transfer pipe 32 smoothly turn around the base member 23.
Further, when the second boom member 27 is lightly pushed as required, the second boom member 27 pivots around the rotary joint member 28 .

Since the first and second boom members 25 and 27 are lightweight in this way, the first and second boom members 25 and 27 can be easily operated without using a motor as in the conventional example.
can be rotated manually, therefore no motor is required and production costs can be reduced. Moreover, since the first and second boom members 25 and 27 are constructed by connecting segments 34, the first and second boom members 25 and 27
You can easily change the length. Also, the first
If the second boom members 25, 27 or the concrete transfer pipe 32 are damaged, they can be easily repaired by disassembling each segment 34 and replacing it with the balance weight segment 31 and the concrete transfer pipe 32. Also, the first and second boom members 2
5 and 27 are constructed by connecting the segments 34 of the frame structure, so that they can be easily disassembled and transported. In addition, the concrete transfer pipe 32 is connected to the first
Second boom members 25, 27 and rotary joint member 2
8, the length of the concrete transfer pipe 32 within the bent portion can be shortened and the weight can be reduced.

<Effects of the Invention> As is clear from the above description, the horizontal distributor device of the present invention has a concrete transfer pipe arranged inside and first and second boom members having a frame structure consisting of one or more segments. and the above first
One end is fixed to the tip of the boom member, and the second
A rotary joint member whose other end is fixed to the base end of the boom member and has a concrete transfer pipe inside, and a balance weight that can replace the segments of the first and second boom members and has a concrete transfer pipe inside. It includes a dual-purpose segment and a suspension member that suspends the first boom member from a support. For this reason, the concrete transfer piping is
In the second boom member and the rotary joint member,
Since collision with obstacles etc. is avoided, unlike the conventional example, there is no need to increase the rigidity of the transfer pipe, and the weight can be reduced. Therefore, a motor is not required, the first and second boom members can be easily rotated manually, and manufacturing costs can be reduced. Further, according to the present invention, since the first and second boom members each include one or more segments, the lengths of the first and second boom members can be easily extended or shortened by adjusting the number of segments. can be easily disassembled and transported. Further, according to the present invention, since the segment is equipped with a balance weight segment that can be replaced with the segments of the first and second boom members and has a concrete transfer pipe inside, if the concrete transfer pipe becomes worn, the segment can be replaced with the segment of the first and second boom members. It can be easily repaired by replacing it with a segment that also serves as a balance weight and is equipped with concrete transfer piping.

[Brief explanation of the drawing]

FIG. 1 is an overall view showing a horizontal distributor device according to an embodiment of the present invention, FIG. 2 is a view showing segments, FIG. 3 is a view showing the base end of the first boom member, and FIG. 4 is a view showing the base end of the first boom member. 3, FIG. 5 is a view showing a rotary joint member, and FIG. 6 is a view showing a conventional example. 21... Support column, 22... cradle, 23... base member, 25... first boom member, 27... second boom member, 28... rotary joint member, 31... balance weight segment, 32... ...Concrete transfer pipe, 33... Hanging member, 34... Segment.

Claims (1)

[Claims] 1 a pedestal fixed to a support; a base member rotatably attached to the pedestal and having a concrete transfer pipe inside; a base member connected to the base member and having a concrete transfer pipe inside; a first boom member having a frame structure consisting of segments;
A second boom member having a frame structure including one or more segments, one end of which is fixed to the distal end of the first boom member, and the other end of which is fixed to the proximal end of the second boom member. a rotary joint member having a fixed section and a concrete transfer pipe therein; and a rotary joint member provided on the opposite side of the second boom member of the rotary joint member, the part being fixed and having a concrete transfer pipe inside, the rotary joint member being replaceable with the segments of the first and second boom members and having a concrete transfer pipe inside. A horizontal distributor device comprising: a segment that also serves as a balance weight and is provided with a transfer pipe; and a hanging member that suspends the first boom member from the support.