WO2022131003A1 - 吊り金具 - Google Patents
吊り金具 Download PDFInfo
- Publication number
- WO2022131003A1 WO2022131003A1 PCT/JP2021/044249 JP2021044249W WO2022131003A1 WO 2022131003 A1 WO2022131003 A1 WO 2022131003A1 JP 2021044249 W JP2021044249 W JP 2021044249W WO 2022131003 A1 WO2022131003 A1 WO 2022131003A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- link
- metal fitting
- hanging metal
- load
- anchor
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 90
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 230000002093 peripheral effect Effects 0.000 description 14
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B45/00—Hooks; Eyes
- F16B45/002—Eyes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
Definitions
- the present invention relates to a hanging metal fitting.
- This hanging metal fitting includes an annular link and a rotating metal fitting in which the connecting portion of the link can be rotated, and the rotating metal fitting is provided with a male screw portion.
- some loads are provided with a female threaded portion such as a building member or a mold, and the above-mentioned male threaded portion is screwed into and fixed to the female threaded portion of such a load. Then, hang a hook or the like on the link member. This makes it possible to lift and move the load.
- the link is attached to the rotating metal fitting via a connecting hole having an inner diameter slightly larger than the wire diameter of the link. Therefore, the link can be freely moved and rotated with respect to the rotating metal fitting. Therefore, when the link rotates due to vibration or the like, the link may collide with the load and damage the load.
- Patent Document 1 discloses a clamping mechanism for clamping a link.
- a pin member is stored in an insertion hole to be inserted into the connecting hole, and the pin member is pressed by a spring to maintain the posture of the link.
- Patent Document 2 discloses a configuration in which a receiving metal fitting for receiving a link is attached to the fixing metal fitting.
- the present invention has been made in view of the above circumstances, and it is possible to prevent the link from colliding with the load without restricting the movement of the link more than necessary, and to prevent an increase in the number of parts and man-hours during manufacturing. It is an object of the present invention to provide a hanging metal fitting that can be used.
- the first aspect of the present invention is a hanging metal fitting provided with a link and a rotating metal fitting connected to the link, and the rotating metal fitting is fixed to the load. It is provided with an anchor metal fitting and a rotary connecting member attached to the anchor metal fitting in a state of being rotatable and prevented from coming off around a rotation axis, and the rotary connecting member is provided with a main body portion. The portion is linked to a connecting hole surrounded by a base portion centered on the axis of rotation, a pair of raised portions separated in the circumferential direction of the base portion, a continuous raised portion, and a pair of raised portions.
- a suspension metal provided with a link receiving portion provided at a position where the link abuts with a predetermined gap with respect to the load.
- the slope portion is continuously provided with the link receiving portion on the side of the pair of raised portions separated from the anchor fitting in the axial direction, and the slope portion is provided.
- the slope portion Preferably has an inclined surface inclined with respect to the axial direction and straddles the base portion and the beam portion.
- the connecting hole is provided in a size of 1.1 to 1.5 times the diameter of the cross section of the link.
- the link receiving portion is provided in a concave curved surface shape.
- a hanging metal fitting capable of preventing the link from colliding with a load without unnecessarily restricting the movement of the link and preventing an increase in the number of parts and man-hours during manufacturing can be provided. Can be provided.
- FIG. 3 is a perspective view showing a state in which the link is in contact with the link receiving portion in the hanging metal fitting shown in FIG. 1.
- FIG. 5 is a cross-sectional view showing a state in which the hanging metal fitting is cut on a plane (XZ plane) passing through the contact portion between the link receiving portion and the link in the state shown in FIG. FIG.
- FIG. 3 is a side view showing a state in which the link is in contact with the link receiving portion in the hanging metal fitting shown in FIG. 1.
- FIG. 3 is a perspective view showing a state in which the link is inclined from the state shown in FIG. 5 and abuts on the slope portion.
- the hanging metal fitting shown in FIG. 1 it is a figure which shows the dimension L1 from the lower end part of the metal fitting connection part of an anchor metal fitting to the upper end part of a connection hole, and the inclination angle ⁇ 1 of a link.
- the hanging metal fitting shown in FIG. 1 it is a figure which shows the dimension in the longitudinal direction of a link, and the width dimension L3 of the inner hole of a link.
- the hanging metal fitting shown in FIG. 1 it is a figure which shows the dimension L4 between the outer peripheral portions 32b which face each other.
- the extending direction of the connecting hole 66 is the X direction
- the upper right side in FIG. 1 is the X1 side
- the opposite lower left side in FIG. 1 is the X2 side.
- the direction connecting both ends of the substantially U-shaped beam portion 65 is the Y direction
- the lower right side in FIG. 1 is the Y1 side
- the opposite upper left side in FIG. 1 is the Y2 side.
- the axial direction of the male screw portion 31 is the Z direction
- the main body 60 side when viewed from the male screw portion 31 is the Z1 side (upper side)
- the male screw portion 31 side when viewed from the opposite main body 60 is the Z2 side. (Lower side).
- FIG. 1 is a perspective view showing the configuration of the hanging metal fitting 10.
- FIG. 2 is a side view showing the configuration of the hanging metal fitting 10.
- FIG. 3 is an exploded perspective view showing the configuration of the rotating metal fitting 20.
- the hanging metal fitting 10 has a rotating metal fitting 20 and a link 80.
- the rotary fitting 20 has an anchor fitting 30, a rotary connecting member 40, and a bearing 70.
- the anchor metal fitting 30 is a portion attached to a load (not shown), and in the present embodiment, the anchor metal fitting 30 is provided in a shape in which a recess is formed in the head of a hexagon bolt.
- the anchor metal fitting 30 has a shaft portion having a male screw portion 31 and a metal fitting connecting portion 32 at a portion corresponding to the head of the hexagon bolt.
- the male screw portion 31 is a shaft-shaped portion in which a screw is formed, and the male screw portion 31 is screwed into a female screw provided in a load mounting hole. As a result, the anchor fitting 30 is fixed to the load.
- the metal fitting connecting portion 32 is a portion connected to the rotary connecting member 40. As shown in FIG. 3, the metal fitting connecting portion 32 is provided with a concave connecting recess 32a, and the rotating shaft portion 50 of the rotary connecting member 40 enters the connecting recess 32a.
- the outer peripheral portion 32b of the metal fitting connecting portion 32 is provided in a shape (for example, a hexagonal shape) into which a tool such as a spanner can be fitted. Workability when screwing and tightening the screw portion 31 into the female screw portion of the load is improved.
- the metal fitting connecting portion 32 is provided with a charging hole 32c (see FIG. 3).
- a plurality of bearing balls constituting the bearing 70 are input from the input hole 32c.
- the input hole 32c is a screw hole, and a screw 90 with a hexagonal hole for sealing is screwed into the input hole 32c.
- the rotary connecting member 40 is in a locked state in which it cannot rotate with respect to the anchor fitting 30.
- the rotary connecting member 40 is provided with a rotary shaft portion 50 and a main body portion 60.
- the rotating shaft portion 50 is a shaft-shaped portion that is inserted into the connecting recess 32a of the anchor fitting 30.
- a plurality of bearing balls constituting the bearing 70 are arranged between the rotary shaft portion 50 and the connecting recess 32a, whereby the rotary connecting member 40 is rotatable with respect to the anchor metal fitting 30.
- the main body portion 60 is a portion located on the side away from the anchor metal fitting 30 with respect to the rotating shaft portion 50 in the axial direction (Z direction) of the hanging metal fitting 10.
- the main body portion 60 has a base portion 61, a raised portion 62, and a beam portion 65.
- the base portion 61 is a portion of the rotary connecting member 40 located on the anchor fitting 30 side, and is a portion having a circular shape in a plan view.
- the raised portion 62 is a portion that is raised toward the upper side (Z1 side) from the base portion 61. Two of the raised portions 62 are provided, and the two raised portions 62 are provided at intervals of 180 degrees in the circumferential direction of the base portion 61. Further, the beam portion 65 is an arch-shaped portion arranged so as to straddle the two raised portions 62. By arranging the beam portion 65 straddling the two raised portions 62 in this way, an annular portion is formed on the upper surface side of the main body portion 60. Further, the beam portion 65 and the two raised portions 62 form an annular portion, so that the main body portion 60 is provided with a connecting hole 66 in which a part of the link 80 is located.
- the raised portion 62 is provided with a slope portion 63 and a link receiving portion 64.
- the slope portion 63 is a portion having an inclined surface that is inclined with respect to the axial direction (Z direction) of the hanging metal fitting 10, and a link receiving portion 64 is present on the lower side (Z2 side) thereof.
- the shape of the rotary connecting member 40 when viewed in a plan view is symmetrical in the X direction and the Y direction, so that there are a total of four slope portions 63.
- the slope portion 63 is provided so that its width (dimension in the X direction) becomes wider toward the lower side (Z2 side).
- the upper end of the slope portion 63 is provided at a position higher than the intermediate position in the height direction (Z direction) of the connecting hole 66.
- the width of the slope portion 63 can be widened on the lower side (Z2 side) of the slope portion 63.
- FIG. 4 is a side view showing the configuration of the hanging metal fitting 10A in which the slope portion 63 does not exist for comparison.
- the same parts as the respective parts in the hanging metal fitting 10 will be described using the same reference numerals.
- the slope portion 63 in FIG. 1 is in a built-up state (in FIG. 4, this built-up portion is referred to as a build-up portion 67A). Therefore, when the link 80 rotates, the corner portion of the built-up portion 67A facing the connecting hole 66 collides with the inner peripheral side of the link 80, and the collision is repeated by repeating the collision. The site is dented and causes damage to the link 80. Further, when the link 80 moves slightly along the central axis direction of the connecting hole 66, when the link 80 rotates, the built-up portion 67A becomes an obstacle, and the rotation range is narrowly limited.
- the main body portion 60 is provided with the slope portion 63, and the portion corresponding to the overlay portion 67A does not exist. Therefore, it is possible to prevent the formation of a dent on the inner peripheral side of the link 80. Further, even if the link 80 moves slightly along the central axis direction of the connecting hole 66, the rotation is not hindered by the overlay portion 67A, and the rotation range of the link 80 can be widened.
- FIG. 5 is a perspective view showing a state in which the link 80 is in contact with the link receiving portion 64.
- FIG. 6 is a cross-sectional view showing a state in which the hanging metal fitting 10 is cut on a plane (XZ plane) passing through the contact portion between the link receiving portion 64 and the link 80 in the state shown in FIG.
- FIG. 7 is a side view showing a state in which the link 80 is in contact with the link receiving portion 64.
- a link receiving portion 64 is provided on the lower side (Z2 side) of the slope portion 63.
- the link receiving portion 64 comes into contact with the link 80, and the link 80 is on the male screw portion 31 side (lower side; Z2). It is a part that regulates rotation toward the side).
- the link receiving portion 64 is provided at a position higher than the bottom T1 of the connecting hole 66 to prevent the link 80 from colliding with the load.
- the distance (radius) from the radial center of the main body 60 to the link receiving portion 64 is the distance (radius) from the radial center of the main body 60 to the outer peripheral surface of the base 61. It is provided smaller than the radius). Further, as is clear from FIGS. 4 and 5, the link receiving portion 64 is in contact with the curved portion along the arc, not the rod-shaped portion along the straight line of the link 80. Therefore, the diameter of the rotary connecting member 40 can be reduced as compared with the case where the link receiving portion 64 comes into contact with the rod-shaped portion of the link 80.
- the link receiving portion 64 is provided in a concave curved surface shape unlike the flat inclined surface 63a. That is, the link receiving portion 64 has a form in which the inclined surface 63a of the slope portion 63 is cut out in a concave curved surface shape. As a result, the link 80 can easily enter the link receiving portion 64.
- the connecting hole 66 is a hole portion through which the link 80 is inserted.
- the connecting hole 66 is surrounded by the base portion 61 and the beam portion 65, but the inner diameter of the central portion of the base portion 61 and the beam portion 65 in the width direction (X direction; corresponding to the crossing direction) is minimized. It is provided in. Further, the connecting hole 66 is formed so that the inner diameter thereof increases as the distance from the central portion thereof increases. As a result, the link 80 is easily rotated with the portion of the connecting hole 66 having the smallest inner diameter as a fulcrum.
- the axial direction of the connecting hole 66 is the X direction, and the X direction corresponds to the crossing direction, but the axial direction of the connecting hole 66 is the direction intersecting the Z direction and X.
- the direction may be different from the direction. It should be noted that such a direction also corresponds to the crossing direction.
- the inner diameter of the connecting hole 66 is provided to be 1.1 to 1.5 times the diameter of the cross section of the link 80.
- the bottom portion T1 of the above-mentioned connecting hole 66 is a portion of the connecting hole 66 at the lowest height position.
- the position of the bottom T1 does not have to be the lowest height position of the connecting holes 66. That is, as described above, the connecting hole 66 is provided so that the inner diameter of the central portion in the axial direction (X direction) is the smallest. Therefore, the bottom portion T1 may be present on the line of the projection line projected below the connecting hole 66 with the central axis of the connecting hole 66. In this case, when the main body 60 is cut along the XY plane, the position on the projection line is the lowest position in the cross section.
- the rotary connecting member 40 since the beam portion 65 does not exist on the upper side (Z1 side) near both ends in the width direction (X direction) of the rotary connecting member 40, the rotary connecting member 40 has a concave shape. A part is provided. However, in the present embodiment, this concave portion is also referred to as a connecting hole 66.
- the slope portion 63 is a portion that guides the link 80 toward the link receiving portion 64 when the link 80 comes into contact with the link 80.
- the slope portion 63 shows an example of such a state. In the collision state as shown in FIG. 8, any part of the link 80 comes into contact with any part of the slope portion 63.
- the link 80 is connected among the slope portions 63.
- the contact state with any portion of the inner peripheral edge portion of the hole 66 is maintained.
- the link 80 interferes with the inner peripheral edge portion of the slope portion 63, so that the link 80 does not move further to the lower side (Z2 side). Therefore, the tip end side of the link 80 (the side away from the connecting hole 66 in the longitudinal direction of the link 80) is located on the upper side (Z1 side) of the links shown in FIGS. 5 and 7.
- the link 80 descends along the inner peripheral edge portion of the slope portion 63, and the link 80 comes into contact with the link receiving portion 64.
- the descent of the link 80 stops.
- the link 80 is a link receiver located at the contact position P1 at the center of the connecting hole 66 in the width direction (X direction) and on one side (X1 side) of the beam portion 65 in the width direction (X direction). It abuts at three points, the contact position P2 of the portion 64 and the contact position P3 of the link receiving portion 64 located on the other side (X2 side) in the width direction (X direction) of the beam portion 65.
- FIG. 7 shows a state in which this state is viewed from the side.
- the lowermost portion (Z2 side) of the link 80 is located on the upper side (Z1 side) of the lowermost side (Z2 side) bottom surface 32d of the metal fitting connecting portion 32. ..
- the above-mentioned contact positions P1 to P3 are not on a straight line, and when these contact positions P1 to P3 are connected, a triangle having a predetermined size is drawn. Further, as shown in FIG. 7, the contact position P1 is located above the contact positions P2 and P3 (Z1 side). Further, the contact positions P2 and P3 are provided at positions higher than the bottom T1. In this state, even if the link 80 tries to move in the direction of arrow A at the contact position P1 in FIG. 7, it cannot move any more. Further, even if the link 80 tries to move in the direction of arrow B at the contact positions P2 and P3 in FIG. 7, it cannot move any more.
- the dimensional relationship of the main parts of the anchor fitting 30, the rotary connecting member 40, and the link 80 will be described below.
- the dimension from the lower end portion (Z2 side end portion) of the metal fitting connecting portion 32 of the anchor fitting 30 to the upper end portion (Z1 side end portion) of the connecting hole 66 is defined as the dimension L1. ..
- the dimension in the longitudinal direction of the link 80 is defined as the dimension L2
- the width dimension of the inner hole 80a of the link 80 is defined as the dimension L3.
- the dimension between the facing outer peripheral portions 32b is dimension L4.
- the tilt angle of the link 80 in contact with P2 and P3 is defined as the tilt angle ⁇ 1.
- the rotating metal fitting 20 is rotatable about the rotation axis with respect to the anchor metal fitting 30 having the male screw portion 31 screwed into the screw hole of the load and the anchor metal fitting 30.
- a rotary connecting member 40 is provided in a state of being prevented from coming off, and the rotary connecting member 40 is provided with a main body portion 60.
- the main body 60 is continuous with the base 61 centered on the rotation axis, a pair of raised portions 62 separated in the circumferential direction of the base portion 61, and a pair of raised portions 62.
- a beam portion 65 to which the link 80 is pivotally connected is integrally formed in the connecting hole 66 surrounded by the portion 62, and the pair of raised portions 62 has an axis of the rotation axis rather than the base portion 61.
- a link receiving portion 64 is provided at a position away from the anchor metal fitting 30 in the direction (Z direction) and at a position where the link 80 comes into contact with the load with a predetermined gap at the tip of the link 80. ing.
- the main body portion 60 is provided with a base portion 61, a pair of raised portions 62, and a beam portion 65, which are integrally formed, and further formed on the pair of raised portions 62. Is provided with a link receiving portion 64. Therefore, the number of parts can be reduced as compared with the configuration in which the link receiving portion 64, which is separate from the main body portion 60, is provided, and it is possible to prevent an increase in man-hours when manufacturing the hanging metal fitting 10. Will be.
- the slope portion 63 is continuous with the link receiving portion 64 on the side away from the male screw portion 31 in the axial direction (Z direction) of the male screw portion 31.
- the slope portion 63 is provided and has an inclined surface 63a that is inclined with respect to the axial direction (Z direction) of the male screw portion 31, and straddles the base portion 61 and the beam portion 65.
- the overlay portion 67A as shown in FIG. 4 exists.
- the link 80 rotates, the corner portion of the built-up portion 67A facing the connecting hole 66 collides with the inner peripheral side of the link 80, the collision portion is dented, and the link 80 is dented. It causes damage.
- the link 80 moves slightly along the central axis direction of the connecting hole 66, when the link 80 rotates, the built-up portion 67A becomes an obstacle, and the rotation range is narrowly limited.
- the slope portion 63 as described above exists and the portion corresponding to the overlay portion 67A does not exist, it is possible to prevent the formation of a dent on the inner peripheral side of the link 80. It becomes possible. Further, even if the link 80 moves slightly along the central axis direction of the connecting hole 66, the rotation is not hindered by the overlay portion 67A, and the rotation range of the link 80 can be widened.
- the connecting hole 66 is provided with a size 1.1 to 1.5 times the diameter of the cross section of the link 80. Therefore, it is possible to prevent the link 80 from moving significantly inside the connecting hole 66. Therefore, when the link 80 rotates, the link 80 comes into contact with the contact position P1 in the connecting hole 66, so that the link 80 moves further in the direction of arrow A in FIG. The link receiving portion 64 comes into contact with the link 80 while suppressing the pressure. Therefore, it is possible to restrict the link 80 from rotating toward the load.
- the link receiving portion 64 is provided in a concave curved surface shape. Therefore, the link receiving portion 64 can be in contact with the link 80 in a relatively wide area as compared with the case where the corner portion around the connecting hole 66 is in contact with the link 80. Thereby, damage to the link 80 can be prevented. Further, by providing the link receiving portion 64 in a concave curved surface shape, it is possible to make the state more suitable for the outer surface shape of the link 80, and it is possible to improve the holding property of the link 80.
- the hanging metal fitting 10 includes a rotating metal fitting 20 and a link 80.
- the hanging metal fitting may be composed of only the rotating metal fitting 20.
- the main body 60 of the rotary connecting member 40 is provided with a slope 63.
- a configuration may be adopted in which the link receiving portion 64 is provided but the slope portion 63 is not provided and is omitted.
- a step-shaped portion (step-shaped portion) having a plurality of step portions may be provided instead of the slope portion 63 having the inclined surface 63a in the above-described embodiment.
- the anchor metal fitting 30 in the above-described embodiment has a male screw portion 31 and is configured to be attached to a mounting hole of a load to be lifted.
- the male screw portion 31 is not essential.
- the anchor fitting may be fixed to the mounting surface of the load by a fastener such as a bolt of another member.
- Rotating metal fittings 20 ... Rotating metal fittings, 30 ... Anchor metal fittings, 31 ... Male screw parts, 32 ... Metal fitting connecting parts, 32a ... Connecting recesses, 32b ... Outer peripheral parts, 32c ... Input holes, 32d ... Bottom surface, 40 ... Rotating connecting member, 50 ... Rotating shaft portion, 60, 60A ... Main body portion, 61, 61A ... Base portion, 61A1 ... Upper end surface, 62 ... Raised portion, 63 ... Slope portion, 63a ... Inclined surface, 64 ... Link receiving portion, 65 ... beam part, 66 ... connecting hole, 67A ... overlay part, 70 ... bearing, 80 ... link, 90 ... hexagon socket head screw, P1 to P3 ... contact position, T1 ... bottom
Abstract
Description
図1は、吊り金具10の構成を示す斜視図である。図2は、吊り金具10の構成を示す側面図である。図3は、回転金具20の構成を示す分解斜視図である。図1から図3に示すように、吊り金具10は、回転金具20と、リンク80とを有している。これらのうち、回転金具20は、アンカー金具30と、回転連結部材40と、軸受70とを有している。
上記のスロープ部63、リンク受け部64および連結孔66について、以下に詳述する。スロープ部63は、リンク80が接触した際に、そのリンク80をリンク受け部64に向けてガイドする部分となっている。たとえばリンク80の振動等によって、リンク80が荷(雄ネジ部31)に向かって移動した場合、スロープ部63にリンク80が衝突する。図8に、このような状態の一例を示す。図8に示すような衝突状態においては、リンク80のいずれかの部位がスロープ部63のいずれかの部位に接触する。
L1:L2=1:1.4~2.1
L4:L3=1:0.5~1.1
20度≦θ1≦35度
以上のような構成の吊り金具10においては、回転金具20は、荷のネジ孔に捻じ込まれる雄ネジ部31を有するアンカー金具30と、アンカー金具30に対して回転軸を中心に回転自在かつ抜け止めされた状態で取り付けられている回転連結部材40を備え、回転連結部材40には、本体部60が設けられている。
以上、本発明の各実施の形態について説明したが、本発明はこれ以外にも種々変形可能となっている。以下、それについて述べる。
Claims (4)
- 荷に取り付けると共に、リンクおよびこのリンクと連結されている回転金具を備える吊り金具であって、
前記回転金具は、前記荷に固定されるアンカー金具と、前記アンカー金具に対して回転軸を中心に回転自在かつ抜け止めされた状態で取り付けられている回転連結部材とを備え、
前記回転連結部材には、本体部が設けられていて、
前記本体部には、
前記回転軸を中心とするベース部と、
前記ベース部の周方向において離間している一対の隆起部と、
前記隆起部に連続すると共に、一対の前記隆起部とで囲まれた連結孔に前記リンクが枢動可能に連結される梁部と、
が一体形成されていて、
一対の前記隆起部には、前記ベース部よりも前記回転軸の軸線方向において前記アンカー金具から離れた位置に設けられると共に、前記リンクの先端が前記荷に対して所定の隙間を有する状態で前記リンクが当接する位置に設けられるリンク受け部が設けられている、
ことを特徴とする吊り金具。 - 請求項1記載の吊り金具であって、
一対の前記隆起部のうち、前記軸線方向において前記アンカー金具から離れる側には、スロープ部が前記リンク受け部と連続して設けられていて、
前記スロープ部は、前記軸線方向に対して傾斜している傾斜面を有すると共に、前記ベース部と前記梁部に跨っている、
ことを特徴とする吊り金具。 - 請求項1または2記載の吊り金具であって、
前記連結孔は、前記リンクの断面の直径に対して1.1~1.5倍の大きさに設けられている、
ことを特徴とする吊り金具。 - 請求項1から3のいずれか1項に記載の吊り金具であって、
前記リンク受け部は、凹曲面状に設けられている、
ことを特徴とする吊り金具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/265,976 US20240059531A1 (en) | 2020-12-15 | 2021-12-02 | Hanging fitting |
CN202180081100.XA CN116529493A (zh) | 2020-12-15 | 2021-12-02 | 吊具 |
DE112021006544.0T DE112021006544T5 (de) | 2020-12-15 | 2021-12-02 | Hängebeschlag |
JP2022569851A JP7456709B2 (ja) | 2020-12-15 | 2021-12-02 | 吊り金具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020207775 | 2020-12-15 | ||
JP2020-207775 | 2020-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022131003A1 true WO2022131003A1 (ja) | 2022-06-23 |
Family
ID=82057587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/044249 WO2022131003A1 (ja) | 2020-12-15 | 2021-12-02 | 吊り金具 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240059531A1 (ja) |
JP (1) | JP7456709B2 (ja) |
CN (1) | CN116529493A (ja) |
DE (1) | DE112021006544T5 (ja) |
TW (1) | TW202229739A (ja) |
WO (1) | WO2022131003A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1003703S1 (en) * | 2021-06-29 | 2023-11-07 | Kito Corporation | Lifting clamp |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004001996A (ja) * | 2002-04-19 | 2004-01-08 | Elephant Chain Block Co Ltd | 板材用吊り具 |
WO2007073108A1 (en) * | 2005-12-22 | 2007-06-28 | Il Do Chang | Coupling apparatus for moving concrete structure |
JP2014503761A (ja) * | 2010-12-02 | 2014-02-13 | ペヴァック・オーストリア・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | アイボルト |
DE102016103050A1 (de) * | 2016-02-22 | 2017-08-24 | Thiele Gmbh & Co. Kg | Anschlagpunkt |
US20180079628A1 (en) * | 2016-09-01 | 2018-03-22 | Mjt Holdings, Llc | Load-mountable lift eye assembly |
DE202019102552U1 (de) * | 2019-05-07 | 2019-05-27 | J. D. Theile Gmbh & Co. Kg | Anschlagpunkt |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015100857U1 (de) | 2015-02-23 | 2015-03-04 | Thiele Gmbh & Co. Kg | Anschlagpunkt mit Fixierscheibe |
-
2021
- 2021-12-02 WO PCT/JP2021/044249 patent/WO2022131003A1/ja active Application Filing
- 2021-12-02 US US18/265,976 patent/US20240059531A1/en active Pending
- 2021-12-02 DE DE112021006544.0T patent/DE112021006544T5/de active Pending
- 2021-12-02 JP JP2022569851A patent/JP7456709B2/ja active Active
- 2021-12-02 CN CN202180081100.XA patent/CN116529493A/zh active Pending
- 2021-12-13 TW TW110146528A patent/TW202229739A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004001996A (ja) * | 2002-04-19 | 2004-01-08 | Elephant Chain Block Co Ltd | 板材用吊り具 |
WO2007073108A1 (en) * | 2005-12-22 | 2007-06-28 | Il Do Chang | Coupling apparatus for moving concrete structure |
JP2014503761A (ja) * | 2010-12-02 | 2014-02-13 | ペヴァック・オーストリア・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | アイボルト |
DE102016103050A1 (de) * | 2016-02-22 | 2017-08-24 | Thiele Gmbh & Co. Kg | Anschlagpunkt |
US20180079628A1 (en) * | 2016-09-01 | 2018-03-22 | Mjt Holdings, Llc | Load-mountable lift eye assembly |
DE202019102552U1 (de) * | 2019-05-07 | 2019-05-27 | J. D. Theile Gmbh & Co. Kg | Anschlagpunkt |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1003703S1 (en) * | 2021-06-29 | 2023-11-07 | Kito Corporation | Lifting clamp |
Also Published As
Publication number | Publication date |
---|---|
US20240059531A1 (en) | 2024-02-22 |
JP7456709B2 (ja) | 2024-03-27 |
DE112021006544T5 (de) | 2023-10-26 |
CN116529493A (zh) | 2023-08-01 |
TW202229739A (zh) | 2022-08-01 |
JPWO2022131003A1 (ja) | 2022-06-23 |
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