JPH04117886U - seat lifter - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to realize automation and unmanned loading and unloading of packing sheets without the need for troublesome and troublesome work such as slinging steel cables, and to carry out loading and unloading work efficiently. do. [Structure] A pair of tong support beams 2 are provided horizontally in parallel at both ends of a hanging beam 1 so that the mutual spacing can be adjusted, and a pair of tongs 4 are suspended and supported at both ends of each tong support beam 2 so that the mutual spacing can be adjusted. Each tong 4 is provided with a claw 6 for supporting the packing sheet so as to be movable up and down and horizontally pivotable, and a guide 8 for positioning the lifter is provided so as to be movable up and down. A sensor is installed.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a sheet lifter for handling bundles of sheets such as steel plates. Ru.

0002

[Conventional technology]

Generally, in factories, warehouses, etc. that handle bundles of sheets such as steel plates, etc., for convenience of cargo handling, From there, multiple sheets are bundled and packaged in skids and sent to factories, warehouses, etc. When storing these packing sheets in stacks and handling them, install steel on the outside of the skid. Cargo handling is carried out by slinging cables and lifting packing sheets via steel cables using a crane. It is normal to have one.

0003

[Problem that the idea aims to solve]

However, each time cargo handling is carried out, steel cables have to be inserted into and removed from gaps between skids, which is cumbersome and difficult. Cargo handling efficiency is extremely poor due to the need for laborious work. There was a problem that it was difficult to realize humanization.

0004 The present invention was made in consideration of these points, and it automatically and efficiently removes packing sheets. The purpose of this invention is to provide a seat lifter that can handle cargo.

[0005]

[Means to solve the problem]

The seat lifter of this invention solves this problem, and the seat lifter of the present invention solves this problem by horizontally attaching the A pair of parallel tong support beams are provided so that the mutual spacing can be adjusted, and each tong support beam is A pair of tongs are suspended from each end of the tongs so that the mutual spacing can be adjusted. The seat support claw is provided so that it can be raised and lowered and horizontally rotated, and the lifter positioning guide is also installed. The handle can be raised and lowered, and each claw is equipped with a gap sensor that detects the gap between packing sheets for inserting the claw. It is equipped with a sa.

[0006]

[Effect]

When transporting a pile of packing sheets, first use a crane to lift the and move the sheet lifter above the packing sheet, while also supporting the tongs. Adjust the mutual spacing between the beams and between the tongs, and adjust the spacing between the four tongs on the packing sheet. Match the dimensions. Next, select one of the two guides (hereinafter "selected guide") as appropriate. After lowering the sheet lifter (called "id"), use a crane to move the sheet lifter directly above the packing sheet. Wind it down and stop. Next, press until the selection guide touches the side of the packing sheet. Move the crane slightly to adjust the lowering position of the seat lifter, and set the selection guide. Lower the sheet lifter with a crane while following the sides of the packing sheet. Koto Then, the gap sensor detects the number of packing sheets and detects the predetermined number of sheets to be carried out. Then, the seat lifter stops lowering. Then, the claw moves down and the gap sensor detects the gap for inserting the claw below the packing sheet to be carried out, and rotates the claw. and insert it into the gap. After that, raise the selection guide and adjust the mutual spacing of the tongs. After making the necessary changes to ensure that the packing sheets are held securely, the crane lifts the sheets. roll up. In this way, a predetermined number of packing sheets can be automatically grabbed and carried out. It can be done.

[0007] In addition, when bringing in a new packing sheet on top of a pile of packing sheets, The sheet lifter holding the sheet is moved by crane to above the pile of packing sheets. After lowering the two selection guides, use a crane to lift the sheet lifter onto the packing sheet. Wind it down to the top and stop. Next, the selection guide touches the side of the packing sheet. Adjust the lowering position of the seat lifter by slightly moving the crane until it touches the seat, and then lower the crane. By lowering the sheet lifter with the crane, you can stack up the packing sheets that you were holding. Place it on a packing sheet. After that, raise the selection guide and align the tongs with each other. After expanding the distance appropriately and rotating the claw, the seat lifter is rolled up using a crane. It raises it.

[0008]

【Example】

Hereinafter, the configuration of the present invention will be specifically explained based on FIGS. 1 to 8.

[0009] The seat lifter of this embodiment has a suspension beam 1 at both ends, as shown in FIGS. 1 and 2. A pair of support beams 2 can be moved horizontally in the direction of arrow A by a beam opening/closing motor 3. A pair of tongs 4 are connected to a motor 5 for opening and closing the tongs at both ends of each support beam 2. The tongs 4 are suspended and supported horizontally in the direction of arrow B, and a packing sheet is attached to the lower end of each tong 4. The supporting claw 6 is provided so that it can be raised and lowered and turned by a drive device 7, and A lifter positioning guide 8 is provided in the section so that it can be raised and lowered by a lifting device 9, and a lifter positioning guide 8 is provided on each claw 6. Check the insertion state of the gap sensor 10 for detecting the gap for nail insertion between the package sheets and the nail 6. An industrial television camera 11 is provided.

0010 The hanging beam 1 has a turning motor 12 and a turning gear device 13 in the center. A hanging fitting 15 is provided via a rotation device 14, and the hanging fitting 15 can be rotated around the hanging fitting 15. do.

[0011] As shown in FIG. A pawl shaft 18 is inserted into the housing 17 so as to be able to move up and down and turn. A compression coil spring 21 is interposed between a spring seat 20 provided on the lower surface of the spring 19 and the end fitting 16. The outer spring guide 22 of the compression coil spring 21 is inserted. Also, before A hollow spline boss having a spline hole 23 is provided on the upper surface of the flange portion 19. 24 are erected. The spline shaft 26 is inserted into the spline hole 23. The pline portions 27 are engaged and inserted so that they can be moved up and down. Figure 3 shows the seat lifter The figure shows a state in which the spring seat 20 and the compression coil spring 21 are placed on the floor surface 28. A landing relief R is formed between the two. The spline shaft 26 has an upper end that is connected to the drive shaft. The drive device 7 is connected to the drive device 7, and the push-down force from the drive device 7 is transmitted to the claw shaft 18. , the claw shaft 18 is pushed against the compression coil spring 21, and the spring seat 20 comes into contact with the spring guide 22. At the same time, the rotational torque from the drive device 7 can be applied to the splice. It is transmitted to the pawl shaft 18 via the embossing 24.

0012 As shown in FIG. It is shaped like a letter and is attached to the lower end of the claw shaft 18.

[0013] The lifter positioning guide 8 is a guide fixed to the outer circumference of the tongs 4, as shown in FIG. It is supported by an inner rail 31 so that it can be raised and lowered, and is connected to the lifting device 9 via a connecting shaft 32. has been done. The lifting device 9 can be operated from a hydraulic cylinder, an electric cylinder or an air cylinder. It is swingably supported on the outer periphery of the tongue 4 via a clevis 33.

[0014] A pair of upper and lower clearance sensors 10 are disposed in the lower part of the boss portion 29 of each claw 6. Ru. The detection height H of these gap sensors 10 is set to match the thickness T of the claw portion 30. has been set (see FIGS. 3 and 6). Further, the upper part of the boss portion 29 is provided with a television. A support stand 37 to which the camera 11 is attached is supported so as to be relatively rotatable. this support The stand 37 is inserted into a guide tube 40 that fixes an elevating rod 39 erected thereon to the tongs 4. By holding it, it can be moved up and down relative to the tongs 4 and cannot be rotated relative to it. Moreover, it is provided so that it cannot be raised or lowered relative to the claw 6 and can be rotated relative to it. There is.

[0015] Next, a case will be described in which a packing sheet 41 as shown in FIG. 8 is handled. Na As shown in FIG. 8, the packing sheet 41 is made by bundling multiple sheets of steel plates or the like together. It is packed inside a door 42, and a gap S for inserting a claw is formed on the lower surface.

[0016] First, in order to carry out N packing sheets 41 from a pile of packing sheets 41, As shown in FIG. 4, a crane lifts the hanging fitting 15 with a hook 43 and The lifter is moved above the packing sheet 41, and the motors 3 and 5 move the lifter between the support beams 2. and adjust the mutual spacing between the tongs 4, and adjust the spacing between the four tongs 4 on the packaging sheet 41. Match the dimensions. Next, select one of the two guides as appropriate, that is, the selection guide. 8 is lowered by the lifting device 9, and then a crane lifts the sheet lifter to the packing sheet 41. Wind it down to just above it and stop. Next, the lifter positioning guide 8 is packed. Lower the seat lifter by moving the crane slightly until it touches the side of the seat 41. Adjust the position so that the lifter positioning guide 8 is not along the side of the packing sheet 41. Lower the tongs 4 with a crane. As the winding is lowered, the two upper and lower clearance sensors are removed. As shown in FIG. Emit a detection signal and count downwards sequentially from the top packing sheet 41. The number is displayed on the display, and when the count reaches N, the seat lifter lowers. stop. In the unlikely event that there is a gap sensor 10 that has not detected N pieces, it will detect N pieces. The claw 6 is lowered by the drive device 7 until the end. Subsequently, the claw 6 is moved by the drive device 7. is lowered, and the two upper and lower gap sensors 10 detect the space between the packing sheets 41, as shown in FIG. When the Nth gap S is detected, the claw 6 is automatically rotated and inserted into the gap S. do. At that time, the crane operator monitors the video of the nail insertion state from TV camera 11. Watch on TV to confirm safety. Next, the lifter is lifted by the lifting device 9 and the drive device 7. The positioning guide 8 and spline shaft 26 are raised simultaneously, and the tong opening/closing motor is activated. After changing the mutual spacing of the tongs 4 using the tab 5 to ensure that the packing sheet 41 is held securely. , the seat lifter is hoisted up at low speed by a crane, and each claw 6 is loaded. To nail 6 loading is detected and displayed. When loaded onto the claw 6, the compression coil spring 21 is compressed. The four small claws 6 descend to grip the packaging sheet 41 in a horizontal state. Finally, clay The sheet lifter is hoisted up at high speed by the winder and the N packing sheets 41 are carried out. be.

[0017] In addition, when carrying in a new packing sheet 41 on top of a pile of packing sheets 41, As shown in Figure 7, the sheet lifters holding the packing sheets 41 are piled up using a crane. the packing sheet 41, and lowered the two appropriate selection guides 8. Above, use a crane to lower the sheet lifter to just above the packing sheet 41 and stop it. Ru. Next, move the crane slightly until the selection guide 8 comes into contact with the side of the packing sheet 41. Adjust the lowering position of the seat lifter, and then use the crane to lower the seat lifter. By lowering the packing sheet 41 that was being held, the packing sheet 41 that was piled up Place it on. When the load on the claw 6 disappears, the load display disappears, so the seat lift Stop lowering the loader. After that, the selection guide 8 is raised by the lifting device 9. , the mutual spacing between the tongs 4 is increased by the tong opening/closing motor 5, and the claws 6 are rotated. Then, the seat lifter is hoisted up by a crane.

[0018] As described above, according to the sheet lifter according to the present invention, a predetermined number of packing sheets 41 can be handled automatically, eliminating the need for slinging steel cables as in the past.

[0019]

[Effect of the idea]

As is clear from the above explanation, according to the present invention, it is possible to avoid troublesome work such as slinging steel cables. Automated and unmanned loading and unloading of packing sheets without the need for complicated and troublesome work. This makes it possible to significantly improve the efficiency of cargo handling operations.

[Brief explanation of drawings]

FIG. 1 is a front view showing an embodiment of a seat lifter according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a sectional view taken along the line XX in FIG. 2;

FIG. 4 is a side view showing a cargo handling state.

FIG. 5 is an explanatory diagram of the operation of the gap sensor.

FIG. 6 is an explanatory diagram of the operation of the gap sensor showing a state different from that in FIG. 5;

7 is a side view showing a cargo handling state different from FIG. 4. FIG.

FIG. 8 is a perspective view showing an example of a packing sheet.

[Explanation of symbols]

1 Hanging beam 2 Tong support beam 4 Tongs 6 Packing sheet support claws 8 Lifter positioning guide 10 Gap sensor S Claw insertion gap

──────────────────────────────────────────────── ─── Continuation of front page (72) Creator Kiyohito Inoue 1-chome, Mizushima Kawasaki-dori, Kurashiki City, Okayama Prefecture (address: ) Within Kawatetsu Steel Construction Co., Ltd. (72) Creator Kazuyoshi Tokinobu 1-chome, Mizushima Kawasaki-dori, Kurashiki City, Okayama Prefecture (address: ) Within Kawatetsu Steel Construction Co., Ltd. (72) Creator Kaoru Yokoyama 1-chome, Mizushima Kawasaki-dori, Kurashiki City, Okayama Prefecture (address: ) Kawatetsu Transport Co., Ltd. Mizushima Branch (72) Creator: Daisaku Hashimoto 1-chome, Mizushima Kawasaki-dori, Kurashiki City, Okayama Prefecture (address: ) Kawasaki Steel Co., Ltd. Mizushima Works

Claims (1)

[Scope of utility model registration request] 1. A pair of tong support beams that are horizontally parallel to each other are provided at both ends of a hanging beam so that the mutual spacing can be adjusted, and a pair of tongs are suspended and supported at both ends of each tong support beam so that the mutual spacing can be adjusted, Each tong is provided with a claw for supporting the packing sheet so that it can be moved up and down and horizontally rotated, and a guide for positioning the lifter is provided so that it can be moved up and down, and each claw is provided with a gap sensor that detects the gap between the packing sheets for inserting the claw. A seat lifter featuring: