JP3437076B2 - Double-structure sliding carriage - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention In a construction in which construction sites are sequentially moved, such as a secondary girder construction of a main girder or a tunnel constructed by overhanging a PC bridge. In order to improve the efficiency of construction, it is necessary to supply materials smoothly and appropriately to the place, and the present invention relates to a double-structured slide-type carriage that can meet such demands. 2. Description of the Related Art In general, a conventional method of transporting materials is a method of transporting materials using a human or a transport means such as a truck. [0003] For example, in the case of rebars brought in from outside the site, each time a material that requires rebar work is selected, the rebars are sorted according to the transport amount according to the means of transport, and the necessary number of rebars are sequentially placed at the construction site. It has been transported by reciprocating transport operations. [0004] In such a conventional method, it is difficult to simplify the work by adapting the systematically standardized carrying work, and the carrying work itself and variations in the carrying amount are considered. In some cases, the materials supplied to the place may become uneven, or there may be problems such as excess or deficiency. SUMMARY OF THE INVENTION [0005] The present invention is based on the prior art, which includes (1) variations in the transport operation itself, (2) inconstant transport, and (3) changes in the packaging at the supply destination ( The purpose is to improve the efficiency of construction work in which the construction site moves sequentially by solving the problems of (the shape is disturbed) and (4) the lowering of the transportation efficiency due to the extension of the construction site. It is. According to the present invention, an upper trolley (1) is provided in a double-structure slide type trolley for supplying materials to a construction site in a construction where the construction site sequentially moves. And a lower bogie (2) having an upper bogie moving rail (9) for slidably mounting the upper bogie (1), and the lower bogie (2) has a traction device connecting jig ( 3) is provided, and further, the lower bogie (2) is laid on the movable material loading bogie (16) below.
Of the rail (17) and the upper part of the lower bogie (2)
Height of the rail (9) and the lower carriage
A height adjusting device (4) having a fixing function for preventing deviation from (2) is provided, and an upper bogie fixing device (5) for fixing the upper bogie (1) to the lower bogie (2) is provided. The upper bogie fixing device (5) comprises a wheel stopper (11) at the end of the moving rail (9), a turnbuckle (12) for binding, and an eyebolt (13). 3) is the truss structure and the traction device (15) to be connected and released by the connecting pin (14)
Is linked to [0010] A tower crane is preferably used as the loading crane, and a crawler crane is preferably used as the traction device. According to the present invention, the problems of variations in the carrying operation itself, inconstant carrying, changes in the packing style at the supply destination (the shape is disturbed), and a decrease in the carrying efficiency due to extension of the construction site are solved. Thus, the efficiency of construction can be improved in construction in which the construction site is sequentially moved. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 to 4, a double-structure sliding carriage (hereinafter referred to as “double-type carriage”) has an upper carriage 1 and the upper carriage 1 is slidable. And a lower carriage 2 mounted on the vehicle. The lower bogie 2 is provided with a traction device connecting jig 3 at the tip thereof, and adjusts the height of the bogies 1 and 2 when docked with a movable material loading bogie 16 (FIG. 6) described below. The height adjustment device 4 for performing the adjustment is provided. Further, an upper bogie fixing device 5 for fixing the upper bogie 1 to the lower bogie 2 is provided. The upper trolley 1 includes a loading floor 6 for loading materials and a loading guide 7 for preventing the load from being collapsed. As a sliding means of the upper carriage 1,
In the illustrated example, the upper carriage 1 has a combination of an upper carriage traveling wheel 8 provided on the upper carriage 1 and an upper carriage moving rail 9 provided on the lower carriage 2. Since the movement is performed within a short distance within the movable material loading cart 16 after the substantial docking, the use of a Teflon plate instead of wheels and the combination of a roller conveyor and a loading floor are also employed. The lower cart 2 is loaded and fixed between a standby place provided within a working radius of a loading crane (tower crane) to be described later and a movable material loading cart 16. Since the traveling route is a relatively long distance traveling on the completed structure body, the lower bogie 2 is provided with lower bogie traveling wheels 10 having excellent mobility. Is equipped. In addition, in order to be able to freely respond to a change of direction by a towing device (crawler crane) 15 (FIG. 5) described later, by using a freely rotating wheel receiver on one side of the bogie and a fixed wheel receiver on the other side. We are dealing. The traction device connecting jig 3 has a truss structure so that the traction force from the traction device 15 and the lateral force generated during the direction change can be transmitted to the lower carriage 2 accurately.
In addition, the connection pin 14 (FIG. 5) having a large diameter is used to facilitate connection and release with the traction device 15 and to ensure transmission of the traction force. The height adjusting device 4 is a movable material loading cart 1
6 and the lower bogie 2 of the rail 17 (FIG. 6) laid on
Is a height adjustment device for matching the height of the upper bogie moving rail 9 with the top end, and also has a height adjusting function for unevenness on the bridge surface and a fixing function for preventing the lower bogie 2 from deviating. . In the illustrated example, the height adjusting device 4 uses a hydraulic jack. The upper bogie fixing device 5 is a device for fixing the upper bogie 1 to the lower bogie 2 when the upper bogie 1 is mounted on the lower bogie 2 and moved by the traction device 15. In the illustrated example, the bogies 1 and 2 are tightly fixed to each other using a wheel stopper 11, a turnbuckle 12, and an eye bolt 13 at the end of the upper bogie moving rail 9 laid on the lower bogie 2. FIG. 5 shows a state in which the double carrier and the traction device are connected to each other. The lower carriage 2 is connected to a traction device, in the illustrated example, a crawler crane 15 by a traction device connecting jig 3 and a connecting pin 14. You. FIG. 6 shows a docking state of the double transport trolley and the mobile loading trolley. The height adjustment device 4 controls the top end of the rail 17 laid on the mobile material loading trolley 16 and the lower truck 2. The upper trolley 1 is moved from the lower trolley 2 into the movable material loading trolley 16 by matching the height of the upper trolley moving rail 9 with the top end. Next, the construction of a cable-stayed bridge will be described with reference to FIGS. Material Delivery (Step 1, FIG. 7) Materials A, such as reinforcing steel bars and processed PC steel materials, which are necessary when constructing the main body of the structure and whose necessary quantity and timing are clear, are used for material transfer. It is carried into the site by truck B. A loading crane, in the illustrated example, a double-type carriage D is arranged within the working radius of the tower crane C, the material A is directly loaded on the truck D, and the material is temporarily placed. Such work as to reduce the transportation efficiency is reduced as much as possible. Transportation on the Bridge Surface by Double Carrying Truck (Step 2, FIG. 8) When the material loaded on the double carrier trolley D is required at the construction site I, a traction device, a crawler crane E in the illustrated example, is used. And the double transport trolley D, and move to the movable material loading trolley F over the main girder (construction target) J. Docking with the movable material loading cart, moving the upper cart of the dual carrier cart (step 3, FIG. 9) The double carrier D at a predetermined position of the movable material loading truck F
Is docked, and only the upper carriage G of the double carriage is slid into the movable material loading carriage F. In this example, the combination of the rail and the steel wheels enables smooth movement even when a heavy object is loaded. Material transport to construction site (Step 4, FIG. 10) Upper cart G of double transport cart in mobile material loading cart F
The material A carried in by the above is transported to the construction site I in a timely manner according to the progress of the construction. During this time, the lower truck H of the double transport truck stands by at a predetermined location on the bridge surface J. When the material of the upper carrier G of the double carrier in the movable carrier F becomes empty, the lower carrier H of the dual carrier connected by the traction device E is again moved to the movable carrier. The docking station F is docked, the upper carriage G of the double carriage is recovered, and the carriage is moved to a standby place provided within the working radius of the loading crane C in preparation for carrying in / transportation of the next material. According to the present invention, highly efficient material transport to a construction site can be realized by using a double transport truck. Use effects are as follows: (1) Variations in transport work are reduced, standardization of the work is possible (2) A large amount of transport is possible (3) The initially loaded package can be retained (4) It is possible to suppress a decrease in transportation efficiency due to extension of the construction site. (5) It is possible to minimize reloading and unloading work. Supply by personnel is feasible and is a radical solution of the prior art.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a double carrier according to the present invention. FIG. 2 is a front view of the double carriage of FIG. 1; FIG. 3 is a plan view taken along line A of FIG. 2; FIG. 4 is a plan view taken along the arrow B in FIG. 2; FIG. 5 is a side view showing a connected state of the double carrier and the towing device. FIG. 6 is a side view showing the docking of the double transport trolley and the mobile loading trolley. FIG. 7 is a diagram showing material loading and transporting onto a double-type carrier when constructing a cable-stayed bridge using the dual-type carrier. FIG. 8 is a view showing transportation on a bridge surface by a double-type carriage. FIG. 9 is a view showing docking with a movable material loading trolley and movement of a double transport trolley (upper trolley). FIG. 10 is a view showing material transportation to a construction site. [Description of Signs] 1 ... Upper trolley 2 ... Lower trolley 3 ... Towing device connecting jig 4 ... Height adjustment device 5 ... Upper trolley fixing device 6 ... Loading floor 7 ··· Unloading guide 8 ··· wheel for upper bogie travel 9 ··· rail for moving upper bogie 10 ··· wheel for lower bogie 11 ··· wheel stopper 12 ··· turnbuckle 13 ··· eyebolt 14 ... Connecting pin 15 ... Traction device 16 ... Movable material loading cart 17 ... Rail

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Claims (1)

(57) [Claims] [Claim 1] An upper trolley (1) and an upper trolley in a double-structure slide type trolley for supplying materials to the construction site in a construction where the construction site moves sequentially. It comprises a lower bogie (2) having an upper bogie moving rail (9) for slidably mounting the (1), and the lower bogie (2) is provided with a traction device connecting jig (3) at its tip. The lower bogie (2) is further provided with a top end of a rail (17) laid on a movable material loading bogie (16) at a lower portion and a lower bogie.
Adjust the height of the top moving rail (9) of the car (2) from the top.
Fixing function to match and prevent lower carriage (2) from deviating
And a height adjusting device (5) for fixing the upper trolley (1) to the lower trolley (2) is provided, and the upper trolley fixing device (5) is provided with the above-mentioned upper trolley fixing device (5). Wheel stop (11) at the end of the moving rail (9), turnbuckle (12) for binding and eyebolt (1)
3) wherein the towing device connecting jig (3) is of a truss structure and is connected to the towing device (15) so as to be connected and released by a connecting pin (14). Structural slide carrier.