JP2889977B2 - Scaffold cleaning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffold cleaning device for removing mortar and the like adhering to a temporary scaffolding frame collected after completion of construction work, and more particularly, to a scaffolding cleaning device for collecting and stacking one frame at a time. The present invention relates to a device for taking out a building frame and automatically supplying the frame to a scaffold polisher body.

[0002]

2. Description of the Related Art Temporary scaffolding frames used for construction work are often stained by paint or mortar during use, and when they are collected from the construction site, they are cleaned for the next use. The adhering matter is removed by a machine (for example, a scrubber as disclosed in JP-A-4-20657). Conventionally, the work of sending the building frames to the blasting machine is such that an operator lifts the building frames one by one from the bundle of building frames, places it on the conveyor for transferring the building frames, and sends it to the blasting machine. Is the current situation.

[0003]

[Problems to be Solved by the Invention] However, where a scrubber is installed to remove the adhering matter, a large amount of building frames are handled, so that one relatively heavy building frame is used. The work of manually removing the sheets and supplying them to the cleaner is a severe labor for the operator, and improvement of the work efficiency cannot be expected.

[0004] In view of the above, it is an object of the present invention to provide a scaffold polisher which automates the removal of building frames one by one from a pile of stacked building frames and feeding the frames to the polisher. And

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a construction frame in which a plurality of gate-shaped construction frames are stacked near a main body of a scavenger for cleaning a temporary scaffolding construction frame. A frame receiving device provided with a frame receiving stand on which a bundle of sheets is placed, and a member for pulling out the frame one by one by locking a horizontal member of the frame to the side of the frame receiving device. A frame take-out device provided with a stopper so as to be able to move forward and backward is provided, and the building frame receiving device is provided with the frame receiving device so that the horizontal member side of the frame faces the building frame removing device side when taking out the frame. And a lifting / lowering means for sequentially lifting up the frame holder so that the uppermost frame on the frame holder can be pulled out one by one by a frame take-out device. A construction frame transfer device for transferring the construction frame taken out by the device to the main body of the cleaning machine is provided.

[0006]

According to the scaffold cleaning device according to the present invention, first, the building frame receiving unit of the building frame receiving device is lowered to the lowest position by driving the lifting / lowering means, and a plurality of sheets collected from the building site are set. Place the bundle of building frames, which are stacked and bound together, on the building frame support,
The building frames are untied so that they can be taken out one by one. Then, with the start of the supply of the building frame to the main body of the cleaning machine, the building frame receiving base is turned so that the horizontal member side of the uppermost building frame faces the building frame removal device side. In addition, the building frame receiving stand is raised so that the uppermost building frame is substantially at the same height as the locking tool of the building frame take-out device.

[0007] Subsequently, after the locking tool is moved forward and locked to the horizontal member of the uppermost building frame, the locking tool is retracted and one piece of the building frame is taken out to the building frame removal device side. come. The taken-out building frame is sent to the main body of the polisher by an appropriate transfer device to remove the deposits attached to the surface.

In the frame receiving device, when the next uppermost frame to be taken out next is not at the level of the locking member, the frame receiving stand is raised by the height of one frame. At this time, when the gate-type building frames are stacked facing each other and the horizontal member side of the building frame to be taken out next does not face the building frame taking-out device side, the building frame receiving stand is turned to move it to the building frame taking-out device side. Face. When the preparation for taking out the next frame is completed in this way, the locking tool of the frame removing device is advanced again to be locked on the horizontal member of the frame, pulled out and fed into the main body of the cleaning machine. By repeating such an operation, the building frames are pulled out one by one from the bundle of building frames and supplied to the main body of the cleaning machine.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

[0010] The main body 1 for cleaning the construction frame for temporary scaffolding
Is provided with a frame receiving device 2 for receiving a bundle of building frames collected from a building site. The frame receiving device 2 is a turntable type lifter provided with a frame support 4 for placing and rotating the frame A on a lifter 3 serving as a lifting / lowering means, and a lift cylinder provided on the lifter 3. 5 has a function of elevating and lowering the lift 4 formed on the lifter 3 by crossing the diagonal members 6 so that the cradle 4 on the lifter 3 can be raised and lowered at an arbitrary height. doing.

A support roller 7 (or a caster) for rotatably supporting the cradle is appropriately disposed on the cradle 4 and placed on the top plate 8 of the lifter 3. Bearing 1 in which a shaft 9 fixed to the center of the lower surface of
And a sprocket 11 attached to the tip of the shaft 9 and a sprocket 13 attached to a turning motor 12 disposed on the upper side of the lifter 3.
The chain 14 is wound between them so that the building frame support 4 can be turned by driving the turning motor 12.
The roller conveyor 15 is appropriately arranged on the frame receiving table 4 so that the position of the bundle of the frame A placed on the rollers 15a can be adjusted by a fork lifter or the like.
Alternatively, a bundle of building frames A sent by a transfer means (not shown) may be taken in.

Numeral 16 designates a frame taking-out device arranged on the side of the frame receiving device 2, as shown in FIG.
7, a rodless cylinder 18 is disposed toward the frame receiving device 2, and a sliding piece 19 of the rodless cylinder 18 slides a slide shaft 20 disposed on both sides of the rodless cylinder 18. A sliding member 21 for fixing the horizontal member B of the building frame A is attached to the lower surface of the sliding member 21.

A locking claw 23 is rotatably supported at the front of the locking tool 22 so that the locking claw 23 is held in a horizontal position by its own weight in a normal state. Then, the lower end of the locking claw 23 is cut off obliquely, and the guide surface 23 is cut off.
a, and when the guide surface 23a abuts on the horizontal member B of the building frame A when the locking claw 23 is advanced toward the building frame A, the locking claw 23 escapes upward, After passing through B, the horizontal member B is rotated downward by its own weight and can be locked by the locking claw 23.

Further, a building frame attitude changing plate 24 is disposed below the rodless cylinder 18 to support the building frame A pulled in by being locked by the locking claws 23 and to send the frame to the next step. . The construction frame attitude changing plate 24 is for vertically transporting the construction frame A taken out by the locking tool 22 so as not to be bulky. The tip of the piston rod 26 of the rotation cylinder 25 disposed on the back side is attached to the frame position changing plate 24, and when the piston rod 26 is extended, the frame position changing plate 24 is held in a horizontal state. When the image is reduced, the building frame attitude changing plate 24 is held in an almost vertically inclined state.

When the locking tool 22 is in the retracted position after taking in the building frame A, when the piston rod 26 of the rotating cylinder 25 is contracted and the building frame attitude changing plate 24 is rotated downward, An end of the frame attitude changing plate 24 on the rotation center side comes into contact with the locking claw 23 and pushes up.
To release the lock.

A guide wall 27 which is curved concentrically with the rotation locus of the tip of the frame position changing plate 24 is disposed in front of the frame position changing plate 24. When the frame position changing plate 24 is rotated downward, the frame position changing plate 2
The guide frame 4 is slid and guided while supporting the lower end of the building frame A on the top 4.

The lower end of the guide wall 27 faces one end of a rail 28, and the other end of the rail 28 extends to the building frame feeding side of the polisher main body 1. Sprockets 29, 29 are disposed at both ends of the rail 28, and a transfer chain 30 is wound between the sprockets 29, 29, and a chain drive motor 31 is driven to drive the transfer chain 30.
Run on the rail 28. Rail 2
A frame support plate 32 is disposed on the rear side of the frame 8 in parallel with the rails 28. When the frame A is raised and inclined on the transfer chain 30 and transferred to the main body 1 side, the frame is supported. A is transported by sliding while supporting the upper part of A.

At the end of the rail 28, a frame feeder 33 is provided. The frame feeder 33 has substantially the same structure as the frame takeout device 16 as shown in FIG. The construction frame A is pivotally mounted on the construction frame posture changing plate 35 at 34, and the construction frame A transferred by extending the piston rod 37 of the rotation cylinder 36 disposed on the back side of the construction frame posture changing plate 35 is A guide frame 38 is provided to guide the lower end portion of the building frame A in front of the building frame attitude changing plate 35 by supporting the lower end portion with a curved wall. I have.

A rodless cylinder 39 is arranged on the upper part of the gantry 34 toward the main body 1 of the polisher, and the sliding frame 40 of the rodless cylinder 39 sends out the building frame A to the main body 1 of the polisher. An extruder 41 is attached.

Reference numeral 42 denotes a roller conveyor disposed between the frame feeding device 33 and the main body 1 of the polisher, and a number of rollers are rotated by a driving motor (not shown).
The frame A sent out from the frame feeding device 33 is transferred to the main body 1 of the cleaning machine. Reference numeral 43 denotes a control device for controlling the operation of each of the above-described devices. The control device 43 incorporates switches for various controls such as operation start and stop, and a computer in which the operation procedure of each device is programmed.

When the building frame collected from the building site is to be cleaned by the polisher main body 1, first, the lifter 3 of the building frame receiving device 2 is driven to lower the building frame support 4 to the lowest position. The collected building frames A are placed on the building frame receiving table 4 in a state of being bound by, for example, a forklift. At this time, since the building frames A are often piled up while being alternately facing each other, the horizontal members B of the uppermost building frame A are placed so as to face the building frame extracting device 16 side. Then, the binding of the building frames A on the building frame receiving stand 4 is released so that the frames A can be taken out one by one.

When the automatic operation is started by operating the automatic operation start switch of the control device 43, the lifter 3 is driven to raise the building frame cradle 4, and the uppermost frame A on the frame cradle 4 is moved. When it reaches the same height position as the locking tool 22 of the building frame take-out device 16, it is detected by a position sensor appropriately disposed and stopped. Subsequently, the rodless cylinder 18 of the frame take-out device 16 is operated to move the locking tool 22 forward, and the locking claw 2
3 is locked to the horizontal member B of the uppermost building frame A. Locking claw 23
Is locked to the building frame A, the locking tool 22 is retracted, and the building frame A
Is pulled out and transferred to the rear frame change position plate 24 at the rear.

When the uppermost frame A is pulled out, the frame receiving device 2 prepares to take out the next frame.
If the building frames A on the building frame receivers 4 are stacked alternately facing each other, the building frame receivers 4 are turned by 180 degrees, and the horizontal frame B side of the frame A to be taken out next is taken out of the frame extracting device 16. To the side. When the frame A to be taken out next is not at the level of the locking tool 22, the frame holder 4 is raised by the height of one frame. Since the movement of the building frame receiving table 4 changes depending on the stacked state of the building frames A, programming is performed so that an operation corresponding to the stacked state of the building frames A can be performed. In this way, the building frame receiving apparatus 2 prepares for taking out the next building frame A.

The frame A taken out of the frame receiving device 2
Is moved onto the frame position changing plate 24 of the frame take-out device 16, the piston rod 26 of the rotating cylinder 25 contracts and the frame position changing plate 24 is rotated downward, and the frame position changing plate 24 is rotated. The upper building frame A rides on the transfer chain 30 on the lower rail 28 while being supported at its lower end by the guide wall 27. Then, the building frame A is transferred to the building frame feeding device 33 by the traveling transfer chain 30.

When the building frame A reaches the building frame feeding device 33 and is located in front of the building frame posture changing plate 35, the piston rod 37 of the rotating cylinder 36 is extended to push up the building frame posture changing plate 35 from the back. Then, the building frame A is lifted to a horizontal position while supporting the lower end of the building frame with the guide wall 38. Subsequently, the rodless cylinder 39 of the frame feeding device 33 is operated to push the pusher 41 forward, and the frame A on the frame attitude changing plate 35 is fed forward by the roller conveyor 432. The building frame A sent out onto the roller conveyor 42 is transferred to the polisher main body 1, and the adhering substances adhered to the surface are removed while passing through the polisher main body 1.

In the above-described embodiment, an example in which the building frame is transported in a state where the building frame is erected by using the building frame attitude changing plates 24 and 35 as the building frame transferring device has been described. In such a case, the frame pulled out from the frame receiving device 2 may be transported by a roller conveyor or the like while maintaining a horizontal state and sent to the main body 1 of the cleaning machine.

[0027]

As described above, according to the present invention, the building frame provided with the building frame receiving base 4 having the function of placing the building frame A near the main body of the polisher 1, turning it, and moving it up and down. Receiving device 2
And a take-out frame provided with a stopper 22 which can be moved forward and backward by pulling out the building frames A one by one by locking to the horizontal members B of the topmost building frame A on the building frame receiving stand 4. Each time one frame 16 is pulled out by the frame take-out device 16, the frame receiving table 4 is turned by 180 degrees and lifted up.
Can be taken out, so that the work of taking out the building frames one by one from the pile of stacked building frames and supplying the frames to the main body 1 can be automated, so that it is possible to save labor and improve work efficiency.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a partially cutaway enlarged front view of FIG. 1;

FIG. 3 is an enlarged side view of FIG. 1;

FIG. 4 is an enlarged view of a main part of FIG. 2;

FIG. 5 is an enlarged view in the CC direction of FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Polishing machine main body 2 ... Construction frame receiving device 3 ... Lifter (elevation means) 4 ... Construction frame receiving stand 12 ... Slewing motor (Swirling means) 16 ... Building frame removal device 22 ... Locking tool 23 ... Locking claw 24, 35: Construction frame attitude changing plate 33: Construction frame feeding device 42: Roller conveyor (construction frame transfer device)

Claims (1)

(57) [Claims] 1. A frame receiving device provided with a frame receiving stand for mounting a bundle of a plurality of gate-shaped frames mounted near a main body of a scavenger for polishing a temporary frame for a temporary scaffold. An apparatus is provided, and a frame take-out apparatus is provided at a side portion of the frame receiving apparatus, which is provided with a locking member for locking a horizontal member of the frame and pulling out the frame one by one so as to be able to advance and retreat. A rotating means for rotating the frame support so that the horizontal member side of the frame is facing the frame removal device side at the time of taking out the frame, and the uppermost stage on the frame support. Elevating means for sequentially lifting the frame receiving stand so that the frame can be pulled out one by one by the frame extracting device, and a frame for transferring the frame extracted by the frame extracting device to the main body of the cleaning machine. A scaffold polisher comprising a transfer device.