JPH0772074B2 - Self-propelled carrier - Google Patents

Description

Description: [Industrial field of use] The present invention relates to a self-propelled transporter used for transporting materials, for example, at a construction site.

[Conventional technology]

Conventionally, when constructing an outer wall of a building, there is a method of assembling a basic skeleton and sequentially assembling outer wall panels to this skeleton. In that case, the outer wall panel was lifted by some workers to apply it to a target location and fixed to the skeleton.

In addition, the same work is required when attaching an aluminum sash window to a building.

[Problems to be Solved by the Invention]

However, such work is heavy work because the outer wall panel and the aluminum sash window are heavy, and improvement is desired.

In addition, when building a building with two or more floors, there is a method of installing a simple crane equipped with a rotating arm on the top floor, and using this crane to lift the outer wall panel and aluminum sash window to the desired floor. The parts are manually moved to the places, and this moving work is hard work after all.

The present invention has been made paying attention to such a point,
An object of the present invention is to provide a self-propelled carrier capable of lifting and lowering heavy objects and laterally transferring them in this manner. In that case, it is also intended to have a lightweight structure suitable for a temporary use such as a construction site, and a structure that can cope with some rolling.

[Means for Solving the Problems]

In order to achieve the above object, the solution means of claim (1) is
The target is a self-propelled transporter that is a tubular thin plate structural material with a groove opened in the longitudinal direction of the lower wall as a rail and is self-propelled by being hung on the rail. On the other hand, a frame and a free roller arranged inside the rail and connected to the frame, and running on the lower wall of the rail, and a free roller arranged below the rail and connected to the frame, the rail An abacus ball-shaped electric drive roller that fits into the groove and rotates
An elevating means that is connected to the frame and that suspends a conveyed object to raise and lower it electrically is provided.

Further, in claim (2), the drive roller is provided so as to be movable in a direction orthogonal to the groove of the rail.

Further, in claim (3), the free roller is provided with a ball that freely rolls on the lower wall of the rail.

Moreover, in claim (4), in these self-propelled transporters,
The operation of the drive roller and the elevating means is wirelessly controlled.

[Action]

With the above structure, in claim (1), the conveyed article is vertically moved by the elevating means, and when the drive roller and the free roller rotate, the conveyed article is conveyed along the rail. As a result, the worker is released from the carrying work.

In addition, because the lightweight tubular thin plate structural material is used as the rail,
The facility work of the rail is labor-saving, and it is suitable for temporary use such as a construction site.

Furthermore, since the abacus ball-shaped electric drive roller is fitted in the groove of the rail, there is no problem in running performance even if the conveyed product shakes in the direction orthogonal to the groove and the drive roller falls a little,
Shaking of the transported object is allowed.

Further, in claim (2), since the drive roller moves in the direction orthogonal to the groove of the rail, the drive roller can travel smoothly even if the rail is bent.

Further, in claim (3), since the free roller is provided with a ball that rolls freely on the lower wall of the rail, the free roller can travel smoothly even if the rail is bent.

Further, in claim (4), since the operations of the drive roller and the elevating means are wirelessly controlled, the workability is further improved.

〔Example〕

[First Embodiment] A first embodiment will be described below with reference to FIGS. 1 to 4.

The self-propelled carrier of the first embodiment is used at a construction site of a building. In FIG. 1, 1 is a building under construction,
Posts 2 are erected around the building 1 at a predetermined interval, and a bridge 3 is spanned between the posts to form a scaffold. A rail 10 made of a thin plate structural material between each pillar 2 and the building 1
Are extended along the building 1 and cantilevered by brackets 4 extending from the columns 2.

The rail 10 is a general-purpose structural material used as a scaffolding material at a construction site, for example, as shown in FIG. 2, is formed in a tubular shape with a groove 12 opening in the longitudinal direction of a lower wall 11. Normally, the length is cut to the standard length (for example, 4 m), and therefore, the bracket 4 is added at the position of the bracket 4 if necessary.

FIG. 4 shows a rail 10 'bent by a predetermined radius (for example, 300 mm). Reference numeral 14 denotes a rail connecting metal fitting. The connecting metal fitting 14 has a cross-sectional shape slightly larger than that of the rail 10 ', and screw holes are formed at both ends of the upper wall, and bolts 15 are respectively screwed into the screw holes. ing. Therefore, when joining bent rails 10 ', rails 1
Insert 0 ', 10 or 10', 10 'and screw in the bolt 15 to fix. In that case, if the recess 16 is formed in an appropriate portion of the upper walls of the rails 10 ', 10, the bolt 15 will bite into the rail 10', so that the fixing becomes firm. Therefore, if the bent rail 10 'is joined by the connecting metal fitting 14, it becomes arcuate or S-shaped, and if it is joined in combination with the straight rail 10, it becomes L-shaped or U-shaped.

The self-propelled carrier C is suspended on the rail 10. The self-propelled carrier C will be described below with reference to FIGS. 2 and 3. 20 is a frame made of thick steel plate,
The frame 20 is composed of a first frame 21 serving as a main body and a second frame 22 connected to the side of the first frame 21. The upper portion of the second frame 22 is slidably sandwiched between a pair of front and rear back plates 21a, 21a on the back portion of the first frame 21, and a bolt 24 is welded to the lower portion of the second frame 22. 24 is inserted into the lower seat 21b of the first frame 21 and is fixed by a plurality of nuts 25, .... Therefore, by loosening the lock nut 25 and rotating the other nut 25, the vertical position of the second frame 22 can be adjusted, and by removing the nut 25, the second frame 22 can be adjusted to the second position.
The frame 22 can be removed from the first frame 21.

Two free rollers 30 are arranged inside the rail 10 at a predetermined distance in the front and rear. Each free roller 30 is a pair of wheels 31, 31 arranged on the lower wall 11 across the groove 12.
And an axle 32 that rotatably connects the left and right wheels 31, 31, and a suspension bolt 33 is rotatably inserted in the center of the axle 32. The suspension bolt 33 is attached to the upper portion of the first frame 21 by a nut. It is fixed by 34.

As shown in FIG. 3, between the two free rollers 30, wear-resistant synthetic rubber around the wheel (may be urethane).
An abacus-shaped electric drive roller 40 is attached, and its outer peripheral portion is a groove of the rail 10 as shown in FIG.
It fits in 12. A groove having a U-shaped cross section is cut along the entire outer peripheral portion of the drive roller 40 so that the outer peripheral portion is easily deformed. A motor 41 and a speed reducer 42 connected to the motor 41 are fixed to the second frame 22, and their operations are controlled by a controller 70. The drive roller 40 is fixed to the output shaft of the speed reducer 42. Therefore, the self-propelled carrier C is suspended on the rail 10 via the free roller 30, and the controller 70 rotates the drive roller 40 in the rotating direction.
When the rotation speed is controlled, the vehicle runs along the rail 10. It should be noted that the pressing force of the drive roller 40 against the groove 12 can be adjusted by adjusting the vertical position of the second frame 22.

At the lower end of the first frame 21, an elevating means 50 for suspending a conveyed article W (for example, an outer wall panel or an aluminum sash window) and electrically raising and lowering it is connected. This lifting means 50
The motor 51, the speed reducer 52 connected to the motor 51, and the speed reducer
Chain 53 wound around the output shaft of 52 and chain 53
A known chain hoist equipped with a clamp 54 that is attached to the lower end of the clamp 54 and holds the conveyed article W, and the controller 51 (not shown) controls the motor 51 and the speed reducer 52 to raise and lower the conveyed article W.

A wireless receiver 60 is attached to the first frame 21. This wireless receiver 60 receives a signal sent from an external wireless transmitter (not shown) by an operator's operation and gives a command to each of the above-mentioned controllers so that the traveling and elevating means 50 of the self-propelled carrier C can be operated. The raising and lowering of the conveyed article W is controlled.

Therefore, according to the first embodiment, the lifting / lowering means 50 transports the transported article W up and down, and the rotation of the drive roller 40 transports the transported article W in the rail direction. Thereby, the worker can be released from the carrying work.

Further, since the light-weight tubular thin plate structural material is used as the rail 10, the facility work of the rail 10 is labor-saving compared to the case where the H-shaped steel material is used as the rail, which is suitable for a temporary use such as a construction site. is there. Moreover, since the rail 10 has a rectangular cross section, it is not bulky when stored in a warehouse.

Further, since the abacus ball-shaped electric drive roller 40 is fitted in the groove 12 of the rail 10, even if the conveyed article W shakes in the direction orthogonal to the groove 12 and the drive roller 40 falls down to some extent, a problem occurs in running performance. Therefore, the swing of the conveyed article W can be allowed.

Further, since the operations of the drive roller 40 and the elevating means 50 are wirelessly controlled, the workability can be further improved.

2nd frame by removing the bolt 24 and nut 25
22 is the first frame with the motor 41 and the speed reducer 42 attached
21, the lifting means 50 is removed from the first frame 21 by removing the bolts and nuts, and the free roller 30
The self-propelled carrier C can be easily removed by removing the rail from the rail 10 and removing the first frame 21, and the self-propelled carrier C can be easily brought to a new site in the reverse procedure, so that it can be temporarily used at a construction site or the like. Suitable for use in.

[Second Embodiment] A second embodiment will be described below with reference to FIG. The second embodiment differs from the first embodiment only in the structure of the second frame. That is, the second frame 22 'is vertically divided into two parts, and the spaces are connected by the spring 44. 43 and 45 are support pins for attaching the spring 44 to the frame.

Therefore, according to the second embodiment, the same action and effect as those of the first embodiment can be obtained, and the drive roller 40 is
Since it can move in a direction orthogonal to the groove 12 of the drive rail 10, the drive roller 40 follows the bend of the rail 10 according to the bend so that the self-propelled carrier C can travel smoothly.

[Third Embodiment] A third embodiment will be described below with reference to FIG. The third embodiment differs from the first embodiment only in the structure of the free roller. That is, the butterfly plates 35 are attached to both ends of the axle 32 'so as to be rotatable around the shaft center, and the three ball carriages 36 are fixed to one side of each butterfly plate 35 at predetermined intervals.
The ball carriage 36 supports a ball so as to freely roll on the lower wall of the rail 10 in an arbitrary direction.

Therefore, according to the third embodiment, the same actions and effects as those of the first embodiment can be obtained, and the free roller 30 can be mounted on the rail 10.
Since it moves freely on the lower wall of the rail in any direction, rail 10
Even if is bent, the free roller 30 moves according to the bending, and the self-propelled carrier C can travel smoothly.

Although the power cords of the motors 41 and 51 in each of the above-mentioned embodiments are connected to the outlets at the site, another power supply method may be used in which a battery is mounted on the frame 20 and power is supplied from the battery. The complexity of code processing accompanying the movement of the traveling carrier C is eliminated.

In each of the above embodiments, the drive roller 40 and the lifting means
Although it is controlled wirelessly by the operation of 50, it may be controlled by a wired push-button remote controller.

〔The invention's effect〕

As described above, according to the self-propelled transporting machine according to claim (1), it is suitable for a temporary use such as a construction site, and allows the shaking of the transported object while allowing the transported object to move up and down. And, it can be transferred laterally, and the worker can be released from the transfer work.

Further, according to the self-propelled transporting machine of the second aspect, the drive roller moves in the direction orthogonal to the groove of the rail, so that the vehicle can travel smoothly even if the rail is bent.

Further, according to the self-propelled transporting machine described in claim (3), since the free roller is provided with the ball that freely rolls on the lower wall of the rail, the free roller can travel smoothly even if the rail is bent.

Further, according to the self-propelled carrier according to claim (4), since the operations of the drive roller and the elevating means are wirelessly controlled,
Workability is further improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 4 show a first embodiment, FIG. 1 is a perspective view showing the overall configuration, FIG. 2 is a front view of a self-propelled carrier, and FIG. FIG. 4 is a side view of the traveling carrier, and FIG. 4 is a perspective view of a main part of the rail. FIG. 5 is a front view showing an essential part of the second embodiment. FIG. 6 is a perspective view showing the free roller of the third embodiment. In the figure, C ... self-propelled carrier, 10 ... rail, 11 ... lower wall, 12 ... groove, 20 ... frame, 30 ... free roller,
40: drive roller, 50: lifting means. 44 …… Spring, 36 …… Ball trolley, 60 …… Wireless receiver.

Claims (4)

[Claims] Claims: 1. A self-propelled transporting machine, which is a tubular thin plate structural material having a groove opened in the longitudinal direction of a lower wall, and which is hung on the rail and is self-propelled. The frame and the inner side of the rail. And is connected to the frame,
A free roller running on the lower wall of the rail, and arranged below the rail and connected to the frame,
A self-propelled transporter characterized by including an abacus ball-shaped electric drive roller that fits into a groove of a rail and rotates, and an elevating means that is connected to the frame and that suspends and electrically raises and lowers a conveyed object. . 2. The self-propelled carrier according to claim 1, wherein the drive roller is provided so as to be movable in a direction orthogonal to the groove of the rail. 3. The self-propelled transporter according to claim 1, wherein the free roller is provided with a ball that rolls freely on the lower wall of the rail. 4. The self-propelled carrier according to claim 1, 2 or 3, wherein the drive roller and the elevating means have their operations controlled wirelessly.