WO2022153376A1 - 吊上げ具および吊上げ具組体 - Google Patents

吊上げ具および吊上げ具組体 Download PDF

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Publication number
WO2022153376A1
WO2022153376A1 PCT/JP2021/000751 JP2021000751W WO2022153376A1 WO 2022153376 A1 WO2022153376 A1 WO 2022153376A1 JP 2021000751 W JP2021000751 W JP 2021000751W WO 2022153376 A1 WO2022153376 A1 WO 2022153376A1
Authority
WO
WIPO (PCT)
Prior art keywords
lifting
lifting tool
plate
upper plate
hole
Prior art date
Application number
PCT/JP2021/000751
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
サンウ イ
豪志 島田
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2021/000751 priority Critical patent/WO2022153376A1/ja
Priority to JP2022574894A priority patent/JP7351026B2/ja
Priority to DE112021006788.5T priority patent/DE112021006788T5/de
Publication of WO2022153376A1 publication Critical patent/WO2022153376A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/14—Slings with hooks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

Definitions

  • the present application relates to a lifting tool and a lifting tool assembly used when lifting a switchboard or the like.
  • Patent Document 1 Lifting tools as shown in are used.
  • the hanging bolt on which the wire of the crane is hung, the U-shaped engaging portion for supporting the lifting member, and the hanging bolt and the engaging portion are separated from each other at a predetermined interval. It is composed of a connecting portion that is integrally connected to the crane.
  • Patent Document 1 since the conventional lifting tool described in Patent Document 1 has a structure in which the lifting member is supported from below, the lifting tool may fall off due to its own weight during the mounting work. Further, since the lifting tool has a complicated shape, it is necessary to integrally connect each member by welding or the like, which has a drawback that the manufacturing cost is high.
  • the present application has been made to solve the above-mentioned problems, and an object of the present application is to provide a lifting tool that eliminates the risk of falling off during lifting work and reduces the manufacturing cost. ..
  • the lifting tool disclosed in the present application includes a lower plate that receives the lower surface of the frame of the lifting member, an upper plate that faces the lower plate, and a side plate that connects the lower plate and the upper plate as a whole. It is a laterally U-shaped lifting tool, characterized in that the lower plate is provided with a mounting hole for attaching the lifting sling, and the upper plate is provided with a through hole through which the lifting sling is passed.
  • the manufacturing cost is low, and the risk of falling off during the lifting work can be eliminated.
  • FIG. It is a perspective view which shows the structure of the lifting tool which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows the use state of the lifting tool which concerns on Embodiment 1.
  • FIG. It is sectional drawing of the main part seen from the line AA in FIG. 4 (A) and 4 (B) are perspective views showing the configuration of the lifting tool according to the second embodiment.
  • It is a schematic diagram for demonstrating the use state of the lifting tool which concerns on Embodiment 2.
  • FIG. It is a perspective view which shows the other structure of the lifting tool which concerns on Embodiment 2.
  • FIG. 1 It is a perspective view which shows the structure of the lifting tool which concerns on Embodiment 3.
  • FIG. 2 is a perspective view which shows the use state of the lifting tool which concerns on Embodiment 3.
  • FIG. It is a developed perspective view which shows the structure of the lifting tool assembly which concerns on Embodiment 4.
  • FIG. It is a perspective view which shows the assembled state of the lifting tool assembly which concerns on Embodiment 4.
  • FIG. It is a perspective view which shows the use state of the lifting tool assembly which concerns on Embodiment 4.
  • FIG. 1 is a perspective view showing a configuration of a lifting tool according to a first embodiment of the present application.
  • the lifting tool 1 includes a lower plate 1a that receives the lower surface of a frame of a housing that houses a switchboard or the like as a lifting member, an upper plate 1b that faces the lower plate 1a and projects toward the free end side, and a lower portion. It is composed of a side plate 1c that connects the plate 1a and the upper plate 1b, and is formed so as to have a horizontal U-shape as a whole.
  • a mounting hole 1d is provided in the central portion of the lower plate 1a, and a through hole 1e located on the free end side of the mounting hole 1d is provided in the upper plate 1b.
  • a lifting tool 1 can be easily manufactured by press forming a steel material, and can also be inexpensively manufactured by casting, forging, or resin molding.
  • FIG. 2 and 3 show a working state in which the housing, which is a lifting member, is lifted by using such a lifting tool 1, and FIG. 3 shows a cross section of a main part as seen from the line AA in FIG. There is.
  • the U-shaped portions of the four lifting tools 1 are inserted from the side surfaces into the four corners of the upper housing frame 2a constituting the outer shell of the housing 2.
  • the upper plate 1b of the lifting tool 1 is locked to the upper surface of the housing frame 2a, and the lifting tool 1 Does not fall off due to its own weight.
  • the shackle 3a at the tip of the lifting sling 3 to be attached to a crane or the like is passed through the through hole 1e provided in the upper plate 1b of the lifting tool 1 and passed through the mounting hole 1d provided in the lower plate 1a of the lifting tool 1. connect.
  • the mounting hole 1d is arranged close to the housing frame 2a and is provided with a size in which the shackle 3a can be mounted, and the through hole 1e has a size in which the shackle 3a can be inserted. Since the lifting sling 3 is pulled diagonally toward the center of the housing 2 during lifting, it is formed so as to be displaced from the center of the mounting hole 1d toward the free end side.
  • the lifting tool 1 of the first embodiment has an advantage that it is inexpensive and can eliminate the dropout due to its own weight during the lifting work.
  • Embodiment 2. 4 (A) and 4 (B) are perspective views showing the configuration of the lifting tool according to the second embodiment.
  • the lifting tools 1 are arranged at the four corners of the rectangular housing frame 2a, and the lifting slings 3 attached to these four lifting tools 1 are focused on a crane located above the center of the housing 2. Therefore, the through hole 1e of the upper plate 1b is configured to have an elongated hole shape that is inclined in the diagonal direction of the upper plate 1b toward the center direction of the housing 2, that is, the direction of the lifting tool 1 located diagonally. There is.
  • the elongated hole-shaped through hole 1e has a width sufficient to pass the shackle 3a, and has a length such that the lifting sling 3 abuts on the free end side inner side surface 1f of the through hole 1e at the time of lifting. It is set as.
  • the lifting tool 1 attaches the housing frame 2a between the U-shaped lower plate 1a and the upper plate 1b from the lateral direction, it is necessary to secure a clearance with respect to the housing frame 2a.
  • the tool 1 does not completely adhere to the housing frame 2a, and the point of effort at which the lifting force is applied to the lifting tool 1 and the point of action that receives the weight of the housing frame 2a are separated.
  • a rotational torque is generated in the housing frame 2a, but the lifting sling 3 is brought into contact with the free end side inner side surface 1f of the through hole 1e in the direction opposite to the rotational direction.
  • the rotational torque applied to the housing frame 2a can be reduced, and the twisting load applied to the housing frame 2a can be suppressed.
  • the width of the through hole 1e of the elongated hole is set to a small width through which the shackle 3a can be inserted, the degree of freedom of the lifting sling 3 can be limited at the time of lifting, and stable lifting work can be performed. ..
  • the elongated hole-shaped through hole 1e is formed in a V shape so that the hole facing the center direction is located regardless of which of the four corners of the housing frame 2a is attached. There is an advantage that one type of lifting tool 1 can be used in common.
  • FIG. 8 is a perspective view showing the configuration of the lifting tool according to the third embodiment.
  • the housing frame 2a slides laterally depending on the mounting position of the lifting tool 1, and the housing frame There is a risk of damaging 2a and the like. Therefore, in the third embodiment, an L-shaped bent piece 1 g that protrudes from the side surface of the upper plate 1b in the x-axis direction and is bent toward the lower plate 1a is added.
  • the U-shaped portion of the lifting tool 1 is inserted from the outer periphery of the housing frame 2a, and the front portion of the housing 2 or the front portion of the housing 2 or By bringing the bent piece 1 g into contact with the back surface portion, it is possible to prevent the force applied to the lifting tool 1 in the x-axis direction, and it is possible to prevent the housing frame 2a from slipping in the lateral direction. The surface of the frame 2a will not be damaged.
  • the lifting force is applied to the front surface or the back surface of the housing 2 by 1 g of the bent piece, and the lifting force applied to the lifting tool 1 is increased.
  • the load will be distributed. It is necessary that the direction of the side surface of the bent piece 1g is different depending on the mounting position of the lifting tool 1 in the housing 2.
  • FIG. 10 is a developed perspective view showing the configuration of the lifting tool assembly according to the fourth embodiment.
  • the lifting tool 1 is further provided with a bent piece 1h formed by bending one side of the upper plate 1b forming a laterally U-shaped shape upward on the free end side, and a groove 1j is provided in the middle portion of the bent piece 1h. It is composed of.
  • an L-shaped reinforcing plate 10 that engages with the groove 1j of the bent piece 1h is provided for such a lifting tool 1, and slits 10a through which the bent piece 1h is inserted are provided at both ends of the reinforcing plate 10. It is provided.
  • a pair of lifting tools 1 are combined at both ends of the reinforcing plate 10 to form a lifting tool assembly.
  • the reinforcing plate 10 can be easily manufactured by bending a flat plate into an L shape by press working or the like.
  • FIG. 12 is a perspective view showing a usage state of the lifting tool assembly.
  • the four lifting tools 1 are inserted into the four corners of the housing frame 2a from the lateral direction, and then the grooves 1j are inserted from above the bent pieces 1h in the two facing lifting tools 1.
  • the pair of lifting tools 1 are connected by inserting each other using the slit 10a of the reinforcing plate 10.
  • the shackle 3a of the lifting sling 3 is connected to the lifting tool 1, and the other end of the lifting sling 3 is connected to the crane to lift the housing 2.
  • the reinforcing plate 10 According to such a lifting tool assembly, by using the reinforcing plate 10, it is possible to prevent the two lifting tools 1 from falling off from the housing frame 2a before lifting the housing 2.
  • the L-shaped main body of the reinforcing plate 10 can reinforce the possibility that the housing frame 2a will be compressed and curved during the lifting operation, and the bending pressure on the housing frame 2a can be reduced.
  • the bent piece 1h is provided on one side of the upper plate 1b on the free end side, and the two opposing lifting tools 1 are connected to each other.
  • Two lifting tools 1 arranged side by side in the x-axis direction may be connected by a reinforcing plate 10, whereby the housing frame 2a in the x-axis direction can be reinforced.
  • the bent piece 1h can be provided on the free end side and the side side side to reinforce the housing frame 2a in the x-axis direction and the y-axis direction.
  • the reinforcing plate 10 is not limited in shape or material as long as it can connect two lifting tools 1 and perform a function of supporting the lifting tool 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
PCT/JP2021/000751 2021-01-13 2021-01-13 吊上げ具および吊上げ具組体 WO2022153376A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2021/000751 WO2022153376A1 (ja) 2021-01-13 2021-01-13 吊上げ具および吊上げ具組体
JP2022574894A JP7351026B2 (ja) 2021-01-13 2021-01-13 吊上げ具および吊上げ具組体
DE112021006788.5T DE112021006788T5 (de) 2021-01-13 2021-01-13 Hebewerkzeug und hebewerkzeugbaugruppe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/000751 WO2022153376A1 (ja) 2021-01-13 2021-01-13 吊上げ具および吊上げ具組体

Publications (1)

Publication Number Publication Date
WO2022153376A1 true WO2022153376A1 (ja) 2022-07-21

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ID=82447001

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/000751 WO2022153376A1 (ja) 2021-01-13 2021-01-13 吊上げ具および吊上げ具組体

Country Status (3)

Country Link
JP (1) JP7351026B2 (enrdf_load_stackoverflow)
DE (1) DE112021006788T5 (enrdf_load_stackoverflow)
WO (1) WO2022153376A1 (enrdf_load_stackoverflow)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0423767U (enrdf_load_stackoverflow) * 1990-06-20 1992-02-26
JPH05229780A (ja) * 1992-02-07 1993-09-07 Ngk Insulators Ltd 建築用パネル吊上具
JPH09202584A (ja) * 1996-01-24 1997-08-05 Misawa Homes Co Ltd 屋根パネル用吊り具およびその屋根パネルの吊り込み方法
JP2003083318A (ja) * 2001-09-11 2003-03-19 Nobuhiro Kitagawa 手さげ洗濯かご等つかみ装置及び該装置に用いるつかみ手
JP3213486U (ja) * 2017-09-01 2017-11-09 五洋建設株式会社 板材吊り上げ構造
CN209957205U (zh) * 2019-02-26 2020-01-17 河南江州电气有限公司 一种槽钢吊装工件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0423767U (enrdf_load_stackoverflow) * 1990-06-20 1992-02-26
JPH05229780A (ja) * 1992-02-07 1993-09-07 Ngk Insulators Ltd 建築用パネル吊上具
JPH09202584A (ja) * 1996-01-24 1997-08-05 Misawa Homes Co Ltd 屋根パネル用吊り具およびその屋根パネルの吊り込み方法
JP2003083318A (ja) * 2001-09-11 2003-03-19 Nobuhiro Kitagawa 手さげ洗濯かご等つかみ装置及び該装置に用いるつかみ手
JP3213486U (ja) * 2017-09-01 2017-11-09 五洋建設株式会社 板材吊り上げ構造
CN209957205U (zh) * 2019-02-26 2020-01-17 河南江州电气有限公司 一种槽钢吊装工件

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JPWO2022153376A1 (enrdf_load_stackoverflow) 2022-07-21
JP7351026B2 (ja) 2023-09-26
DE112021006788T5 (de) 2023-11-09

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