JPH058991A - Material carrying device in construction work - Google Patents

Abstract

PURPOSE:To complete slinging work of a suspending load at one time in a narrow space so as to improve carrying efficiency and safety, at carrying lengthy materials such as reinforcement in a construction building at construction work. CONSTITUTION:This material carrying device is constituted of hoist rails 1, 2, 3 provided on respective floors, a vertically moving rail 4 elevatably hung from the upper part of a building, and a travelling hoist 10 mounting a rotation beam 14 for a hanging load on the lower part of the hoist beam 11 mounted extending between the respective rails capably of travelling. A joint part which is movable in the vertical direction and restrained movement in the horizontal direction is provided on the opposite end parts of the vertical moving rail 4 and the hoist rails 1, 2, 3, a bolt-like lock piece 26 is mounted on the vertically moving rail 4 capably of advancing and retreating, and the lock piece 26 is locked with a lock tool 23 mounted on the hoist rail on a prescribed floor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveying device for construction materials such as reinforcing bars, which is applied in a reverse striking method in underground construction of a building.

[0002]

2. Description of the Related Art Conventionally, when carrying long objects such as reinforcing bars in construction work, there is no device for vertically traversing the hoist rail itself for carrying the same reinforcing bars, etc., and the rotation of the suspended load is the suspension rope. It is done using the twist of.

[0003]

In the above prior art, when the floor is changed, the suspended load must be sled off and the hoist on the predetermined floor must be sled again. Also, in a narrow space, the direction in which the truck enters and the direction in which the hoist rail is installed cannot be set freely, and long objects such as rebar cannot be transported unless the direction is changed. Because it is done, it is very inefficient and dangerous.

The present invention has been proposed in view of the above problems of the prior art, and its object is to suspend a load in a narrow space when carrying a long object such as a reinforcing bar in a construction work. The purpose is to provide a material transfer device for construction work that requires only one sling and improves the transfer efficiency and safety.

[0005]

In order to achieve the above-mentioned object, a material conveying device in a construction work according to the present invention is a hoist rail which is installed horizontally at the bottom of each floor of a building and has a trolley wire, A vertical movement rail suspended from the upper floor of the building and provided with a trolley wire, and a lower portion of a hoist beam movably mounted between the hoist rail and the vertical movement rail are provided with a rotating device. It consists of a traveling hoist equipped with a rotating beam for hanging loads.
At the opposite ends of the vertical movement rail and the hoist rail, a connecting portion that is free to move in the vertical direction and restrains movement in the same direction and the orthogonal direction is provided, and on the vertical movement rail,
It is mounted so that it can be moved back and forth along the longitudinal direction of the rail, and it is fitted with a barbed locking piece that protrudes from the rail at a predetermined stop floor and locks with a locking tool mounted on the hoist rail. It is configured.

[0006]

Since the present invention is constructed as described above,
If the approach direction of the material loading truck is limited due to the plane constraint of the construction building, the hoist beam or the vertically moving rail should be mounted below the hoist beam in the traveling hoist near the position where the suspended load is hoisted on the traveling hoist. By rotating the suspended load rotating beam, the suspended load of the hoist is rotated in the same direction as the hoist rail to carry in the suspended load, and then rotation control is performed in a direction that does not interfere with obstacles when the suspended load is moved up and down. Stop.

Then, along with the vertically moving rail, the hoist,
Dodge obstacles such as hoist rails and lower the suspended load,
The vertical movement rail is connected to the hoist rail on the required floor via the connecting portion, and the bar-locking piece on the vertical movement rail is locked to the locking tool of the hoist rail, and at the same time, on each rail. The connection of the trolley wire is completed, the hoist is driven to move to a predetermined position on the hoist rail to unload the suspended goods, and the required material transfer work is completed.

[0008]

The present invention will be described below with reference to the illustrated embodiments. 1, 2 and 3 are hoist rails horizontally installed at the bottom of each floor in the construction building, 4 is a vertically movable rail, and ropes 6 are suspended on pulleys 5 and 5'suspended on the upper floor.
It is configured to slide up and down with the end surface of each hoist rail by the operation of the motor 7 via 6 '.
Each of the rails 1, 2, 3 and 4 has a trolley wire 8,
9 is mounted.

Reference numeral 10 is a traveling hoist, and 11 is a hoist beam of the traveling hoist 10, which is configured to move on the hoist rails 1, 2, 3 or the vertical movement rail 4 via wheels 13 driven by a motor 12. ing.
A rotating beam 14 for hanging a load is rotatably mounted on a lower portion of the hoist beam 11 via a rotating device R.
The pulley 1 is rotated from the rotating beam 14 by a hoisting device 15.
The suspended load is moved up and down via 6, 16 'and ropes 17, 17'.

FIG. 11 shows the details of the rotating device R. A spur gear 20 arranged so as to mesh and slide with a worm gear 19 mounted on a drive shaft of a motor 18 on the hoist beam 11 is a hoist. A rotating beam 14 mounted on a shaft 22 rotatably mounted on the beam 11 via a bearing 21 and fixed to the coaxial shaft 22 is constructed so as to be rotated by a predetermined angle by controlling the rotation of the motor 18, and accordingly, the motor is rotated. By the control of 18, the suspended load can be turned to an arbitrary angle.

FIGS. 3 to 10 show joint cross sections of the vertical moving rail 4 and the hoist rails 1, 2 and 3 of each floor. Both end portions of the web of the vertical moving rail 4 having an H-shaped cross section are tapered, and FIGS. The hoist rails 1, 2 and 3 shown in FIG. 10 are guided and fitted into the grooves 24 formed between the pair of locking tools 23, 23 provided on the upper and lower end surfaces of the hoist rails. .. When the vertically moving rail 4 is located slightly above the predetermined position, the solenoid valve 25 installed on the upper flange of the rail 4 is operated to push the bar-locking lock piece 26 onto the locking tool 23. , Gently drive the hoisting device 15 to softly attach the vertically moving rail 4 onto the hoist rails 1 or 2 or 3, and the bar-locking locking piece 26 is supported by the sheath 27 so that The load is reliably transmitted to the hoist rails 1, 2, and 3. In the figure, 28 is a metal fitting for slides.

As shown in FIGS. 3 to 5, the trolley wires 8 and 9 for transmitting power source and control signals are attached to the hoist rails 1, 2 and 3 and the vertical moving rail 4 by supporting metal pieces 29 and 30, respectively.
As shown in FIG. 5, a U-shaped conductor 32 and a knife-shaped conductor 33, which are attached to a receiving member 31 made of an electrically insulating material and supported by, are configured to be in close contact with each other to conduct electricity. .. The trolley wire 8 is welded to the conducting wire 34 and the conductor 32 so as to be completely conductive, and the trolley wire 9 is welded to the conducting wire 35 and the conductor 33 so as to be completely conductive. Further, the trolley wires 8 and 9 are not brought into direct contact with each other so that the vertical movement is not hindered.

After the vertical moving rail 4 is moved as described above, the bar-locking locking pieces 26 are pushed out to set the rails at predetermined positions, and at the same time, the rails 1, 2, 3 and 4 and the trolley wire 8,
Since the joining of 9 is completed, the hoist 10 can be moved on the rail, the rotating device R can be operated, and the hoisting device 15 can be driven. While the vertically moving rail 4 is moving in the vertical direction, the trolley wires 8 and 9 are cut off, so that the operation after the hoist 10 becomes impossible, and the work safety is ensured.

The drive of each part is performed by receiving a power source and a signal from the shoe 36 sliding on the trolley wires 8 and 9. (Refer to FIG. 1) Since the illustrated embodiment is configured as described above, the hoist 10 lifts the suspended load A1 from the carrier T as shown in FIG.
When the approach direction of the transport vehicle T is limited, the suspended load A1 is swung in the direction of A2 by the rotating device R on the hoist rail 3 or the vertically moving rail 4, and then the opening S or the hoist rail of FIG. Due to the relationship of 2 and the like, the suspended load is controlled by turning in the direction of A3 and stopped so as not to hinder the suspended load A2 from falling or rising.

The hoist 10 is a vertically moving rail 4 as much as possible.
Is stopped according to the position of the center of gravity of the vehicle, the motor 7 is operated, and the hoist 10 and the suspended load A3 are lowered together with the vertically moving rail 4 while avoiding obstacles such as the hoist rail 2 and lowered to the required floor, for example, the hoist rail 2. When the direction moving rails 4 are connected as described above, the trolley wires 8 and 9 are also simultaneously connected as described above, and thus current can be supplied. Therefore, first, the suspended load A3 is moved in a direction that does not hinder the transportation of the suspended load A2. Turn. Then, the suspended load A2 is unloaded to the unloading floor to complete the required transporting action. In addition, when carrying out garbage, etc. from the site,
By carrying out the reverse operation, the initial purpose can be achieved.

[0016]

According to the present invention, as described above, the traveling hoist is moved in the vertical direction, fitted to the hoist rail of an arbitrary floor and caused to travel, and the suspended load rotating device freely rotates the suspended load in the horizontal direction. Since the suspended load is changed in direction by the rotating device, work such as returning prevention and wobbling prevention by workers is unnecessary, and it should interfere with other obstacles in a stable posture. It can be transported without any work and can greatly contribute to the improvement of work safety and work efficiency in a narrow space. At this time, since the turning operation can be performed mechanically, safe and reliable transport can be performed even in a separated place.

According to the invention, the hoist and the rail,
Since the trolley moves up and down together, the suspended load that has been lifted can be transported as it is, even if the floor changes, so it is possible to sling the suspended load once in a narrow space, improving safety and transport efficiency. It is a thing.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a material carrying device in a construction work according to the present invention.

FIG. 2 is a view taken along the line EE in FIG.

FIG. 3 is a side view showing details of a joint portion in a state where the vertically moving rail is moved and installed on a hoist rail on a predetermined floor.

FIG. 4 is a plan view of FIG.

5 is a perspective view taken along the arrow in FIG.

FIG. 6 is a side view showing a joint end portion of a vertically movable rail.

FIG. 7 is a side view showing a joint end portion of the hoist rail.

FIG. 8 is a view on the arrow in FIG.

FIG. 9 is a view taken in the direction of the arrow in FIG.

FIG. 10 is a view from the arrow view of FIG.

FIG. 11 is a vertical sectional view of a rotating device.

[Explanation of symbols]

 A1, A2, A3 Suspended load S Opening T Transport vehicle R Rotating device 1 Hoist rail 2 Hoist rail 3 Hoist rail 4 Vertical movement rail 8 Trolley line 9 Trolley line 10 Traveling hoist 11 Hoist beam 14 Rotating beam 15 Hoisting device 18 Motor 19 Worm gear 20 Spur gear 22 Shaft 23 Locking tool 25 Solenoid valve 26 Bar-locking lock piece 31 Receiving material 32 Conductor 33 Conductor

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Reference number within the agency FI Technical indication location E04G 21/16 7228-2E (72) Inventor Hiroshi Nojima 4-6-15 Sendagaya, Shibuya-ku, Tokyo Incorporated company Fujita

Claims (1)

Claims: 1. A hoist rail horizontally installed at the bottom of each floor of a building and provided with a trolley wire, and a vertical suspension provided with a trolley wire suspended from the upper floor of the building. A movable rail and a traveling hoist in which a rotating beam for a suspended load is mounted via a rotating device at a lower portion of the hoist beam mounted so as to travel freely between the hoist rail and the vertical moving rail, The vertical movement rail and the hoist rail are provided at opposite ends thereof with a connecting portion which is free to move in the vertical direction and restrains movement in the same direction and a direction orthogonal to each other, and on the vertical movement rail, in the longitudinal direction of the rail. Characterized in that it is mounted so as to be able to move back and forth along the side, protrudes from the rail at a predetermined stop floor, and is fitted with a bar-locking locking piece for locking to a locking tool mounted on the hoist rail. Construction Material conveying apparatus in.