JPH04103953U - Boom device for transporting fresh concrete - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] This invention enables the supply of ready-mixed concrete to construction sites, etc., depending on the situation at the work site, and the ability to work at any height with a person on board. purpose. [Structure] A connection part is provided on the front end side of the boom 4 of the boom device 3 that supports and raises and lowers the transport pipe 2 that pumps fresh concrete, and the concrete pump main body 1 is connected to this connection part.
A hose guide 9 that guides a delivery hose 14 for discharging fresh concrete pumped from 6, or a platform 17 for high-altitude work on which people and objects can be placed are connected interchangeably.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is suitable for supplying ready-mixed concrete or for high-altitude work depending on the situation at construction sites, etc. The present invention relates to a boom device for transporting fresh concrete that can be used for commercial purposes.

0002

[Conventional technology]

Generally, as buildings and other buildings become taller, ready-mixed concrete is used at high-rise construction sites. It is required to supply cleats and ready-mixed concrete to high-rise construction sites from ground level. A concrete pump truck is used as a special vehicle to pump concrete. The concrete A pump truck is equipped with a boom device that lifts and lowers the transport pipe that pumps the ready-mixed concrete. It is configured with a location.

0003 In addition, at high-rise construction sites, pipes, etc. are used to secure the footing of workers. Although temporary scaffolding has been installed, the height of the temporary scaffolding is fixed and the height of the temporary scaffolding is fixed. If the height is inappropriate, it will be difficult for the worker to work in an optimal posture. So, for example For example, there is a known aerial work vehicle as shown in Japanese Utility Model Application Publication No. 56-124700, It is also used at high-rise construction sites, and can be adjusted to a height that makes it easy to carry out construction work. It makes work easier.

0004

[Problem that the idea aims to solve]

However, as mentioned above, construction work at high-rise construction sites involves various types of work. concrete pump trucks and aerial work vehicles may be required. In such case, There may not be enough space to bring these two vehicles into the work site at the same time. , or the space may be small and it may be difficult to change their positions.

[0005] This invention was devised to solve the above-mentioned problems, and its purpose is to Depending on the site situation, ready-mixed concrete can be supplied to construction sites, etc., or people can To provide a boom device for transporting ready-mixed concrete that can be carried on and worked at any height. That is.

[0006]

[Means to solve the problem]

This invention is a boom device that supports and lifts the transport pipe that pumps fresh concrete. In this case, a connection part is provided on the tip side of the boom at the tip of the boom device, and a control is attached to this connection part. A delivery hose that discharges fresh concrete that is pumped from the concrete pump body. Replace the hose guide that guides the It is characterized by being connected so that they can be exchanged.

[0007]

[Effect]

In this invention, if the hose guide is connected to the connection part on the tip side of the tip boom, In this case, the boom device for transporting the ready-mixed concrete is also used for supplying the ready-mixed concrete. Fresh concrete is pumped from the concrete pump body and delivered. is discharged from the hose.

[0008] In addition, if an elevated work platform is connected to the connection part on the tip side of the tip boom, the corresponding Boom devices for transporting fresh concrete are used for high-altitude work.

[0009]

【Example】

An embodiment of the present invention will be described with reference to FIGS. 1 to 5. Figures 1 to 3 are books A platform for high-altitude work in a concrete pump boom device according to an embodiment of the invention Figures 4 and 5 show the case in which the hose is installed in the boom device of the same concrete pump. The latter case will be explained first.

0010 In FIG. 4, a concrete pump 1 mounted on a vehicle chassis C shown in FIG. has a transport pipe 2 for pumping fresh concrete, and this transport pipe 2 is connected to the vehicle shaft. It is supported by piping along the boom device 3 mounted on the ship C. Boom device 3 is composed of a plurality of booms connected in a bendable manner, and the front boom 4 is shown in the figure. There is.

[0011] As shown in FIGS. 4 and 5, there is a bracket at the tip of the boom 4 at the front end of the boom device 3. A cylindrical member 6 is fixedly attached via the holes 5, 5 and a support plate (not shown), The cylindrical member 6 is in a parallel position with respect to the tip boom 4 at a predetermined distance on the other side of the page. It is in. A ring-shaped hose guide mounting flange 7 is attached to the end of the cylindrical member 6. A connection part is fixedly provided on the hose guide mounting flange 7, and a circumferential A plurality of mounting holes 8 are formed at predetermined intervals along the direction.

0012 9 is a hose guide, and this hose guide 9 includes an annular flange portion 10 and an inner cylinder portion. It is composed of a material 11, an outer cylinder member 12, and a guide portion 13. Said annular flap The hose guide mounting flange 7 has a mounting hole 8 in the hose guide mounting flange 7. Corresponding mounting screw holes 10A are formed respectively. In the annular flange portion 10 An inner cylindrical member 11 is integrally provided, and a member is provided concentrically with the inner cylindrical member 11 so as to be relatively rotatable. An outer cylinder member 12 is fitted.

[0013] A guide portion 13 is provided integrally with the outer cylinder member 12. The guide part 13 is Made of many thin pipes 13A, it has an arc shape when viewed from the side, and the cross section is that of a delivery hose. 14 is accommodated and guided. Then, a connection consisting of bolts 15 is inserted into each mounting hole 8 of the hose guide mounting flange 7. Insert each mating member and connect each bolt 15 to the annular flange of the hose guide 9. The hose guide can be mounted by screwing into each mounting screw hole 10A of the section 10. A hose guide 9 is attached to the flange 7 for use.

[0014] Further, a delivery hose 14 is connected to the tip of the transport pipe 2 via a rotation joint 2a. This delivery hose 14 is used to convey raw material under pressure from the concrete pump main body 16. It discharges concrete, and the cylindrical member 6 and the inner cylindrical member 11 of the hose guide 9 are It is inserted, guided along the guide part 13 and bent into an arc shape, with the tip hanging down. I'm looking forward to it.

[0015] Next, Figures 1 to 3 will show the case where the boom device 3 is equipped with a platform for high-altitude work. This is explained by: In FIGS. 1 and 2, 17 is a platform for high-altitude work on which a person can board on the bottom 17A; It has a vertically long box shape with an open top. The platform for high-altitude work 17 is Pins 19, 19 are attached to both ends of the U-shaped arm portion 18A on the front end side of the holding member 18. It is rotatably supported.

[0016] In the support member 18, a vertical plate material forming the base end of the U-shaped arm portion 18A is used. 18B, one end of the cylindrical member 20 is coupled to the upper part of the cylindrical member 18B, and the inside of the cylindrical member 20 is The distal end portion of the transport pipe 2 can be accommodated therein. Both lower parts of vertical plate material 18B One end of the reinforcing members 21, 21 is connected to the side, and the other end of both reinforcing members 21, 21 and the circle The other end of the cylindrical member 20 is integrally connected to a joint member 22.

[0017] As shown in FIG. 3, the joint member 22 has a hose guide mounting flange 7. Mounting screw holes 22A are formed facing each other and corresponding to each of the mounting holes 8. . Then, a connection consisting of bolts 15 is inserted into each mounting hole 8 of the hose guide mounting flange 7. Insert the mating members, respectively, and tighten each bolt 15 of the joint member 22 of the support member 18. By screwing into each mounting screw hole 22A, the hose guide mounting flange can be installed. A platform for high-place work 17 is attached to the cage 7 via a support member 18. In this case, figure 1, the distal end side of the transport pipe 2 is inserted through the cylindrical member 6, and The tip portion of the tube 2 is housed in the cylindrical member 20 of the support member 18 in a state where it extends halfway. has been done.

[0018] Further, as shown in FIG. 2, a boom control device 23 is attached to the support member 18, A worker on board the platform 17 for high-place work operates the boom device 3 by himself and performs high-place work. The height of the loading platform 17 can be adjusted arbitrarily. Therefore, in this embodiment, the hose guide is attached to the tip side of the tip boom 4. When the hose guide 9 is connected to the connection part consisting of the flange 7, the concrete The boom device 3 of the concrete pump 1 is used for supplying ready-mixed concrete. Ready-mixed concrete is pumped from the Leet pump main body 16 and is delivered from the delivery hose 14. be discharged.

[0019] In addition, a connection portion consisting of a hose guide mounting flange 7 on the tip side of the tip boom 4 When the elevated platform 17 is connected to the concrete pump 1, the boom equipment of the concrete pump 1 Station 3 is used for high-place work. In other words, when working at heights, the boom With the device 3 folded, connect the delivery hose 14 from the transport pipe 2 to the rotation joint 2a. Then, insert the distal end portion of the transport pipe 2 into the cylindrical member 20 of the support member 18. insert the coupling member 22 into the hose guide attachment on the tip side of the tip boom 4. When connected to the attaching flange 7, the platform for high-place work 17 is rotatably connected to the tip boom 4. tied. A worker gets on the bottom 17A of this high-altitude work platform 17, and the boom control device By operating the position 23, the boom device 3 can be expanded or contracted according to the situation at the site, and the required Perform the following work. In this case, even if the tip boom 4 is tilted, the platform 17 for high-altitude work remains pinned. 19, and can maintain a vertical posture at all times. In addition, when working at heights Workers are not placed on the platform 17, and the necessary equipment is placed on the platform 17 for high-rise work. It can also be transported to construction sites, etc.

[0020] According to the above configuration, the tip side of the tip boom 4 can be The hose guide 9 or the connection part consisting of the hose guide mounting flange 7 of Since the work platform 17 is connected in a replaceable manner, the hose guide on the tip side of the tip boom 4 When the hose guide 9 is connected to the mounting flange 7, the concrete pump The boom device 3 of the pump 1 can be used for supplying ready-mixed concrete, and , attach the platform 17 for high-altitude work to the hose guide mounting flange 7 on the tip side of the tip boom 4. When connected, the boom device 3 of the concrete pump 1 can be used for high-altitude work. It can be served as

[0021] That is, the concrete pump 1 is raised and lowered by supporting the transport pipe 2 of the boom device 3. The concrete pump 1 can be used for high-place work. If there is, the mechanism for raising and lowering the platform 17 for working at heights will be unnecessary, and as a result, the vehicle for working at heights will be able to move up and down. It can be omitted. In this embodiment, the concrete pump body 16, A mobile concrete pump 1 equipped with a boom device 3 is explained. , but not limited to this, it is possible to import fresh concrete without installing a concrete pump body. It can also be applied to vehicles equipped with only a boom device for transportation.

[0022]

[Effect of the idea]

As explained above, according to the present invention, the front boot can be A hose guide or platform for high-altitude work is connected to the connection part on the tip side of the system so that it can be replaced. Therefore, if a hose guide is connected to the connection part on the tip side of the tip boom, the The boom device can be used for supplying ready-mixed concrete, and When a high-altitude work platform is connected to the connection part on the front end of the boom, the boom device It can be used for office work.

[0023] In other words, the function of the boom device to support the transport pipe and raise and lower it is for work at high places. If you have a boom device for transporting fresh concrete, you can work at heights. This has the effect of eliminating the need for a mechanism for raising and lowering the loading platform.

[Brief explanation of drawings]

FIG. 1 is a side view showing the main parts of a boom device for transporting ready-mixed concrete according to an embodiment of the present invention when an elevated platform is attached.

FIG. 2 is a plan view showing the main parts of a boom device for transporting co-produced concrete when a high-altitude work platform is attached.

FIG. 3 is a detailed partial cross-sectional view showing part A in FIG. 1;

FIG. 4 is a side view showing the main parts of the boom device for transporting co-produced concrete when a hose guide is attached.

5 is a detailed partial cross-sectional view showing part B in FIG. 4; FIG.

[Explanation of symbols]

2 Transport pipe 3 Boom device 4 Tip boom 7 Hose guide mounting flange (connection part) 9 Hose guide 14 Delivery hose 16 Concrete pump body 17 High place work platform

Claims (1)

[Scope of utility model registration request] Claim 1: A boom device that supports and raises and lowers a transport pipe for pumping fresh concrete, wherein a connecting portion is provided at the tip side of the boom at the tip of the boom device, and the raw material pumped from the concrete pump body is connected to the connecting portion. A boom device for transporting ready-mixed concrete, characterized in that a hose guide for guiding a delivery hose for discharging concrete, or a platform for high-altitude work on which people and objects can be mounted are connected in an interchangeable manner.