JP4238329B2 - Column material and beam erection method and apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for erection of pillars and beams for a new transportation system and an apparatus therefor.
[0002]
[Prior art]
For the purpose of eliminating traffic congestion in urban areas, it is considered to introduce a new light transportation system such as monorail using the space on the road. In this case, the pillar material as the lane construction is about 600 mm in diameter, about 5 m in length, the beam material is about 400 mm × 600 mm in cross section, the span is about 12 m to 15 m, and the weight of each is about 3 t. Expected.
Conventionally, in order to construct these pillars and beams, it is considered the most economical and quick method to install a tow truck on the road and move sequentially along the road. To that end, it will be necessary to occupy part of the existing road and restrict traffic. Therefore, it causes confusion such as traffic congestion during the construction work.
[0003]
[Problems to be solved by the invention]
The present invention is made in order to solve the problems in the conventional erection method described above, without placing a tow truck on the road, and without having to occupy part of the existing road and restrict traffic, the pillar material and the beam material are connected to the road. It is an object of the present invention to provide a column material and beam material erection method and apparatus capable of being erected from above.
[0004]
[Means for Solving the Problems]
As technical means for achieving this object, the present invention combines the column member and the beam member in the hinge forming the openable unit, the said unit to unit Agekasane portion provided above as a starting point The erection machine provided with a jib crane-like erection machine that can move along the erected lane and a transport cart, and the unit is folded by the transport cart and stands by from the unit lifting unit to the construction site After the unit is transferred to the erection machine, the transport carriage returns to the unit lifting unit to transfer the next unit, and the erection machine moves the received unit forward and expands it to a predetermined shape. The gist of the present invention is a method of erection of column members and beam members in which the lane portions are sequentially extended and formed by repeating the construction.
The gist of this erection method is that the erection machine lays the units received by turning a predetermined angle alternately and erected in the forward and lateral directions, and erections in two lanes at the same time.
In addition, a device that forms a lane portion by sequentially connecting a unit formed by connecting a column member and a beam member with a hinge so as to be openable and closable, and starting from the unit lifting portion provided earlier, A jib crane-like erection machine that can move along the lane portion constructed by the unit and a transport cart, the transport cart is waiting for the unit in the folded state from the unit lifting portion to the construction site Conveying to the erection machine, this erection machine receives the conveyed unit, moves forward, opens to a predetermined shape, and constructs a unit erection device consisting of a column member and a beam member. To do.
The gist of the present construction apparatus is that the transport cart is composed of a self-propelled transport cart and a driven transport cart.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a column material and beam material erection method and apparatus according to the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an explanatory view showing an installed state, and 10 is a jib crane-like installation machine, which moves along a beam member 22C of a unit 20A previously installed from a unit lifting part (not shown). When the next unit 20 is installed, it is fixed to the front end of the existing unit 20A.
[0006]
As shown in FIG. 2 (a), the erection machine 10 is provided with an engaging portion 12 at a lower portion of a base 11, and the engaging portion 12 is formed in a substantially gate shape, and the beam member 22C of the existing unit 20A. A plurality of rollers 13 that are mounted so as to straddle and are attached to the lower portion and both side portions of the engaging portion 12 are in contact with the upper surface and both side surfaces of the beam member 22C in a rollable manner.
[0007]
Further, an uplift receiver 14 with an actuator and an overturning moment receiver 15 are attached to the engaging portion 12 of the erection machine 10 to stably hold the upright posture of the erection machine 10. The overturning moment receiver 15 fixes the erection machine 10 to the front end (construction place) when locked to the column member 21B of the existing unit 20A, and the erection moment receiver 15 along the beam member 22 of the new unit 20 when unlocked. 10 can be moved.
[0008]
A substantially gate-shaped frame portion 16 is provided on the upper portion of the base 11 so that it can be moved forward through the unit 20 in a folded state received from the transport cart 30. Further, a winding winch 17 and a undulating winch 18 are placed on both sides of the base 11 so as to sandwich the frame portion 16 therebetween.
[0009]
The transport cart 30 is composed of a self-propelled transport cart 31 and a driven transport cart 32, and is formed so as to be movable along the beam material 22C of the existing unit 20A using the beam material 22C as a guide. 20 is transported from the unit lifting section to the construction site.
[0010]
As shown in FIG. 2B, the self-propelled carriage 31 is provided with a substantially gate-shaped engaging portion 31b at the lower portion of the base 31a, and the engaging portion 31b straddles the beam 22C of the existing unit 20A. A plurality of rollers 31c that are engaged and attached to the lower portion and both side portions of the engaging portion 31b are in contact with the upper surface and both side surfaces of the beam member 22C in a rollable manner.
In addition, a locking device 31d with an actuator is attached to both sides of the engaging portion 31b so that the position can be held when the self-propelled transport cart 31 is stopped. Further, an opening / closing part 31e for receiving and holding the beam member 22 of the unit 20 is attached to the upper part of the base 31a.
[0011]
The driven carriage 32 has the same configuration as that of the self-propelled carriage 31 and is engaged so that the engaging portion 32b provided at the lower portion of the base 32a straddles the beam member 22C of the existing unit 20A as shown in FIG. A plurality of rollers 32c attached to the lower portion and both side portions of the engaging portion 32b come into contact with the upper surface and both side surfaces of the beam member 22C in a rollable manner, and actuators are provided on both sides of the engaging portion 32b. A locking device 32d is attached. In addition, an opening / closing part 32e for receiving and holding the column member 21 of the unit 20 is attached to the upper part of the base 32a. The driven carriage 32 is formed so as to be connectable to the self-propelled carriage 31 when returning to the unit lifting section.
[0012]
The unit 20 includes a pillar member 21 and a beam member 22 connected to each other by a hinge 23 so as to be openable and closable. The unit 20 has a lever- fixed chain block 24 and a pillar member 21 provided at the end of the beam member 22. A suspension wire 26 is hung between the end portion via a pulley 25, so that the column 21 can be closed by a hinge 23 and held in a folded state.
[0013]
3 to 7 show the erection process. First, as shown in FIG. 3, the erection machine 10 is fixed to the front end portion of the first unit 20 </ b> A that has already been established with the unit lifting portion as a starting point. The unit 20 in the folded state is transported from the unit lifting part to the erection machine 10. At this time, the self-propelled transport cart 31 receives and fixes the end of the beam 22 at the opening / closing portion 31e, and the driven transport cart 32 receives and fixes the end of the column member 21 at the open / close portion 32e. The unit 20 is transported by driving the transport cart 31.
[0014]
Next, as shown in FIG. 4, when the driven carriage 32 reaches the construction machine 10, the self-propelled carriage 31 is temporarily stopped, and the unit 20 that has been conveyed is delivered to the construction machine 10. At the time of delivery, the front end portion of the unit 20 protruding through the frame portion 16 of the erection machine 10 is suspended by the hook 19, the opening / closing portion 32 e of the driven carriage 32 is opened, and the column material 21 of the unit 20 is opened.
[0015]
Thereafter, as shown in FIG. 5, the self-propelled transport cart 31 is moved forward to move the unit 20 forward, and stopped when the self-propelled transport cart 31 is connected to the driven transport cart 32, and the center of gravity of the unit 20 is hooked. 19 is resuspended, the opening / closing part 31e of the self-propelled transport cart 31 is opened, and the beam member 22 of the unit 20 is opened. Thereby, the delivery work of the unit 20 is completed. The self-propelled transport cart 31 and the follower transport cart 32 operate the lock devices 31d and 32d respectively when stopped, and keep the stopped state so that they do not move forward and backward when the unit 20 is delivered. This is to maintain stability.
[0016]
After the delivery of the unit 20, as shown in FIG. 6, the erection machine 10 advances the unit 20 in a horizontal state by hoisting the hook 19 with the hoisting winch 17 while the jib is lowered with the hoisting winch 18, and completely passes through the frame portion 16. And adjusting the angle by turning the jib and positioning the unit 20. On the other hand, the transport cart 30 returns to the unit lifting section in a state where the self-propelled transport cart 31 and the driven transport cart 32 are connected, and takes the next unit.
[0017]
After positioning the unit 20, the lever-equipped chain block 24 is released as shown in FIG. 7, and the column 21 is opened by rotating around the hinge 23 by its own weight while feeding the suspension wire 26, and its base 21 a is fixed to the road 40. The end of the beam member 22 is attached to the column member 21B of the existing unit 20A and connected to the beam member 22C.
[0018]
In this way, the unit 20 can be erected and connected to the tip of the existing unit 20A, and the lane portion can be sequentially extended by repeating this erection process. After the unit 20 is installed, the hook 19 and the suspension wire 26 are removed, and the erection machine 10 is returned to the original upright posture. Then, the falling moment receiver 15 is loosened to release the fixing, and the beam material 22 of the unit 20 is guided. As a result, the preparation for the next process is completed. It is preferable that an appropriate moving means (not shown) is incorporated in the construction machine 10 and the construction machine 10 is moved by this movement means. Then, the next unit is installed again through the steps of FIGS.
[0019]
FIG. 8 shows another embodiment of the present invention, which is characterized in that two lanes can be installed at the same time. In this case, since the steps from FIG. 3 to FIG. 6 in the embodiment are the same, the illustration is omitted and the explanation is omitted, but the units 20 delivered by the transport cart 30 are alternately distributed to the front and the side. By erection, the lane parts P and Q are extended at the same time.
[0020]
That is, using the jib turning of the construction machine 10, the units 20 are alternately positioned on the lane part P and the lane part Q and installed. After the unit 20 is positioned, it is installed in the process shown in FIG. 7 in the above embodiment, and this installation process is common to the lane portions P and Q. In this way, since the two parallel lane portions P and Q can be installed at the same time, it is efficient and the construction period can be shortened.
[0021]
In the present invention, it is desirable that the movement of the carriage 30 and the operation and movement of the construction machine 10 are all configured to be remotely controlled from the ground by a remote control method. Further, the transport cart 30 and the construction machine 10 are not limited to those of the above-described embodiment, and the transport cart 30 may have a structure capable of efficiently and stably transporting the unit 20 from the unit lifting portion to the construction machine 10. What is necessary is just to have the structure where the construction machine 10 can receive the unit 20 promptly and can be positioned easily.
[0022]
【The invention's effect】
As described above, according to the present invention, when a lane part of a new traffic system is installed in an urban area, a tow truck is not disposed on the road, and the pillars are not occupied and partly occupied by existing roads. The construction of the bridge and the beam can be done from the upper side of the road, so there is no confusion such as traffic congestion during the construction work, and it is possible to construct two lanes at the same time, thus shortening the construction period. It has excellent effects such as.
[Brief description of the drawings]
FIG. 1 shows an embodiment of the present invention, and is an explanatory view of a main part showing a construction state of a column member and a beam member. FIG. 2 (a) is a side view of the construction machine, and FIG. Side view of transport cart [FIG. 3] An explanatory diagram showing a unit transport process by a transport cart [FIG. 4] An explanatory diagram showing a process of transferring a unit to a construction machine [FIG. 5] An explanatory diagram showing a state when the unit has been handed over Fig. 6 is an explanatory diagram showing the process of moving the unit forward with an erection machine. Fig. 7 is an explanatory diagram showing the process of opening the column material of the unit and erection it on the road. Fig. 8 Explanatory drawing which shows embodiment which builds up simultaneously
DESCRIPTION OF SYMBOLS 10 ... Construction machine 11 ... Base 12 ... Engagement part 13 ... Roller 14 ... Uplift receiver 15 ... Falling moment receiver 16 ... Frame part 17 ... Winding winch 18 ... Unfolding winch 19 ... Hook 20 ... Unit 21 ... Pillar material 22 ... Beam material 23 ... Hinge 24 ... Chain block with lever 25 ... Pulley 26 ... Suspension wire 30 ... Transport cart 31 ... Self-propelled transport cart 32 ... Driven transport cart 40 ... Road

Claims (4)

A jib crane-like erection machine that forms a unit that can be opened and closed by connecting a pillar member and a beam member by a hinge, and that can move along a lane portion erected by the unit starting from a unit lifting portion previously provided After the unit is folded by the transport cart, the unit is transported from the unit lifting part to the construction machine waiting at the construction site, and after the unit is transferred to the construction machine, the transport cart is Returning to the unit lifting unit to transport the next unit, the erection machine moves the received unit forward, spreads it in a predetermined shape, and repeats this to repeatedly extend the lane portion. A construction method of column material and beam material characterized by this. 2. The column material and beam material erection method according to claim 1, wherein the erection machine circulates a unit received by turning a predetermined angle alternately and erects the units forward and sideways and erections two lanes at the same time. A device that forms a lane portion by sequentially connecting a unit formed by connecting a column member and a beam member with a hinge so as to be openable and closable, and starting from the unit lifting portion provided earlier, The construction machine comprises a jib crane-like construction machine that can move along the installed lane portion and a transport carriage, and the transport carriage is waiting for the unit in the folded state from the unit lifting section to the construction site. This erection machine is a unit erection device composed of a column member and a beam member that receives the conveyed unit and moves forward to open and erected in a predetermined shape. The said trolley | bogie is a construction apparatus of the unit which consists of a pillar material and a beam material of Claim 3 comprised from the self-propelled trolley | bogie and a driven trolley | bogie.

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