Rotation suspension point used with concrete anchor

Abstract

To provide a suspension point assembly used with a concrete anchor.SOLUTION: A rotation suspension point assembly includes: a base having a plate and a tube-like structure projecting from the plate; a flanged bushing which has an internal clearance enabling misalignment of an anchor and has a flange with a concave surface; and a mating convex washer matched with the concave surface.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of U.S. Provisional Application No. 62 / 882,378, filed August 2, 2019. No. 60 / 699,999, filed on May 1, 2003, and which is hereby incorporated by reference in its entirety.

[0002] STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT none.

[0003] The present invention generally relates to rigging typically used for construction and maintenance. Components, hoisting components, and hanging components In one aspect, the present invention relates to the field of components. relates to a suspension assembly that provides rotation and pivoting for a steel structure. [Background technology]

[0004] Rigging assemblies, hoisting assemblies, and suspension assemblies are Used to move equipment and to suspend equipment from structures and surfaces. These structures and surfaces can be horizontal, vertical, or overhead. Rigging assemblies, hoisting assemblies, and suspension assemblies Specifically, the captive fastener is a threaded fastener. ) to be fastened to a metal component or structure, and Use post-installed or pre-installed anchors to secure concrete components or is designed to be fixed to a structure, existing rigging assemblies, hoisties, etc. The mounting assembly and the suspension assembly are suitable for metal and concrete structures. are not designed with the flexibility to facilitate application to both the body and Or use common threaded fasteners or concrete anchors of any length. It is not designed with the capacity.

[0005] Existing rotating rigging assemblies, hoisting assemblies, and hanging assemblies The assembly consists of a fixed bushing that is fixed to the component or structure and other rigging. Swivel base or base to accept lug and hoisting components Such devices are commonly called "swivel hoist rings" or "hoist rings." or "rotary lifting point". The brakes of such a lifting assembly The mounting base is secured with a threaded captive fastener or concrete anchor. The base is generally fixed directly to the concrete or steel structure using a , flush with and perpendicular to the structure to which it is fixed. Concrete or steel frame If the structure is not flat, or if threaded fasteners or concrete anchors are used, If the holes to receive the balls are not drilled perpendicular to the surface, The tightening of the threaded fastener or concrete anchor after This can result in bending of the bolts or concrete anchors, causing the assembly to This will make it unusable.

[0006] The need to overcome the above-mentioned and other drawbacks of existing suspension point assemblies exists. Summary of the Invention [Problem to be solved by the invention]

[0007] To overcome the above and other drawbacks, the present invention provides a method for use with a concrete anchor. A suspension point assembly is provided for use with the [Means for solving the problem]

[0008] In one embodiment, a rotating suspension point assembly is provided.

[0009] In one embodiment, the rotary suspension point assembly comprises a plate and a plate. a base having a tubular structure protruding from the plate; and a flange having a concave surface. a flanged bushing having a groove; and a convex washer aligned with the concave surface.

[0010] In one embodiment, the rotating suspension point assembly is The connector further includes such a connector.

[0011] In certain embodiments, the present disclosure provides a rotating suspension point assembly. According to a disclosed embodiment, the rotating suspension point assembly includes a plate and a plate. a base having a tubular structure protruding from the plate; and a flanged bushing. wherein the flanged bushing is adapted to allow misalignment of the anchor. It has an internal clearance and a flange with a concave surface. , flanged bushing; mating convex washer that mates with a concave surface x washer).

[0012] In embodiments, the anchor may be a threaded fastener or a post-installed concrete anchor. In a further embodiment, the rotating suspension point assembly is Lacking captive fasteners, allowing application of any number of anchors According to a further embodiment, a rotating suspension point up The assembly further includes a convex washer, the convex washer being attached to the flanged bushing. In yet a further embodiment, the base has a convex surface corresponding to the concave surface of The base further includes at least two fixed plates extending from the base, the fixed plates being Each of the structures has an opening designed to secure the structure.

[0013] In certain embodiments, the present disclosure provides a rotating suspension point assembly. According to a disclosed embodiment, the rotating suspension point assembly includes a plate and a plate. a base having a tubular structure protruding from the plate; a main portion; and a surface. a concave bushing having a flange portion having a convex washer;

[0014] In some embodiments, the tubular structures extend perpendicularly from the plate. In a further embodiment, the main portion of the concave bushing has a first outer diameter; The flange portion has a second outer diameter, and the first outer diameter is smaller than the second outer diameter. In an embodiment comprising: a base tubular structure having a first inner diameter and a second inner diameter the first inner diameter is smaller than the second inner diameter, and the first and second inner diameters of the tubular structure The first and second inner diameters correspond to the first and second outer diameters of the concave bushing.

[0015] In some embodiments, the surface of the flange portion of the concave bushing is concave. In yet a further embodiment, the concave surface and the convex surface of the flange portion of the concave bushing The washers are positioned to form a spherical washer. In another embodiment, the convex washer has an elongated central opening. , the base and the concave bushing are connected to each other and to the elongated center of the convex washer. In yet another embodiment, the rotating suspension pole has a central opening coaxial with the opening. The inlet assembly further includes a bearing plate. The guide plate has a surface area greater than the surface area of the base plate.

[0016] The foregoing and other features and advantages of the present invention are set forth in the following more specific description of the embodiments of the present invention. Both the foregoing general description and the following detailed description will become apparent from the following description. It should be understood that the present invention is illustrative and not limiting. do.

[0017] Features of the invention have been selected for illustrative purposes and are shown in the accompanying drawings, in which: This will be best understood from the detailed description of the embodiments thereof. [Brief explanation of the drawings]

[0018] [Figure 1] FIG. 1 is an exploded view of a rotating suspension point assembly according to an embodiment of the present disclosure. [Figure 2] FIG. 2 is an exploded view of the rotating suspension point assembly of FIG. 1 with a connector according to an embodiment of the present disclosure. [Figure 3]FIG. 3 illustrates the fully assembled rotating suspension point assembly of FIG. 2 in accordance with an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0019] Although certain preferred embodiments of the present invention will be shown and described in detail, various Variations and modifications may be made without departing from the scope of the appended claims. It should be understood that the scope of the present invention is in no way limited by the number of components that make up the invention. It is not limited to the material, shape, relative arrangement, etc., but is merely an embodiment. The features and advantages of the present invention are illustrated in detail in the accompanying drawings, in which: In the drawings, like reference numerals refer to like elements throughout. .

[0020] Used in this specification and the appended claims as a preface to the detailed description. As used herein, the singular forms "a," "an," and "the" are used unless the context requires otherwise. It should be noted that unless explicitly stated, multiple referents are included. Additionally, as used herein, the term "overhead structure" means Refers to any physical structure from which a work platform may be suspended. The term "structure" refers to the structure that is used to access the work platform using a suspended work platform system. In some embodiments, the structure and The overhead structure may be the same. The structures include, but are not limited to, bridges, offshore drilling rigs, boilers, boiler pendants , including elevated and suspended structures, and marine vessels.

[0021] Referring now to the drawings, FIG. 1 shows an anchor 120 protruding from a structure (not shown). 1 is an exploded view of an exemplary rotating suspension point assembly 100 equipped with a rotating suspension The point assembly 100 includes a bearing plate 10, a base 20, and a concave bushing. 40, a convex washer 50, a flat washer 60, and a nut 70.

[0022] The anchor 120 may be any suitable anchor for use with concrete and / or metal structures. There can be a variety of anchors 120. For example, if the structure is metal The anchor can be a threaded captive fastener and is If the concrete is concrete, the anchors may be post-installed or pre-installed (e.g. The anchor may be threaded or or smoothed, as will be recognized in the following discussion. Thus, the anchors may be perpendicular to the surface of the structure, or may be parallel to the surface of the structure. It does not have to be perpendicular to

[0023] The bearing plate 10 is a generally flat plate-like structure that supports the load. Distributes the force of the load over a larger portion of the surface area of the structure that experiences it. Guiding plate 10 can take on many shapes, sizes, and geometries. In the illustrated embodiment, the bearing plate 10 has a plate diameter 11 and a hole diameter The bearing plate is a generally circular, disc-shaped structure having a central hole 12 with 13 Rate 10 can take any shape (e.g., rectangular, square, oval, polygonal). It will be appreciated that it is possible. The plate diameter 11 is shown as being slightly larger than the total length of the base 20. , so that no part of the base 20 extends beyond the dimensions of the bearing plate 10. In other words, the size of the bearing plate 10 is determined by the size of the base 20 and the In a further embodiment, the bearing plate is at least partially related to the bearing plate and shape. The shape and size of the Rate 10 is such that the Rotating Hanging Point Assembly 100 is attached. The size of the load may depend on the particular structure and size of the load being used.

[0024] As shown in FIG. 1, the holes 12 are circular and have a hole diameter 13. The diameter of the anchor 120 is larger than the diameter of the portion of the anchor 120 that protrudes from the structure (not shown). As will be appreciated, the particular shape and size of the holes 12 may vary. This can vary depending on the type of anchor 120 used, but preferably: The anchor 120 has a protruding cylindrical portion and is positioned within the remaining components. The holes 12 and openings may similarly be tubular or circular.

[0025] The base 20 is made from a plate 21 with a tubular portion 25, A groove-like portion 25 extends from the plate 21. A circular hole (not shown) in the plate The anchor 120 passes through the plate 21 and into the tubular portion 25. The inside of the tubular portion 25 is described in detail below. As shown, the tube contains portions with different inner diameters.

[0026] The base 20 also includes a pair of plates extending parallel to each other from the tubular portion 25. Each plate 30, 31 has an opening 32, 33 therethrough. The openings 32 and 33 are arranged coaxially. 1. The connectors 20 are used for various objects or other specific connectors to the base 20.

[0027] The concave bushing 40 has a main portion 41 having a first outer diameter and a flange portion 42 having a second outer diameter. The first outer diameter is smaller than the second outer diameter. For example, the length of the main portion 41, the length of the flange portion 42, and the first and second outer diameters ) matches the internal contour of the housing (not shown). The tubular portion 25 does not have a consistent inner diameter along its length. The first half (or upper half) 26 of the tube-shaped portion has a first inner diameter and The second half (or lower half) 27 of the tubular portion has a second inner diameter and The inner diameter is smaller than the second inner diameter. The transition between the first inner diameter and the second inner diameter is , blunted, to mate with flange edge 45 of concave bushing 40.

[0028] A central bore 43 runs the length of the bushing 40 and provides a rotational suspension point Sufficient to allow misalignment of anchor 120 within assembly 100 That is, the internal geometry of the central bore 43 is such that the anchor 120 is The shaft 42 is configured to be able to protrude into the bore 43, and this is aligned with the central axis of the bore 43. It is designed so that they are not parallel.

[0029] The lower surface 44 of the bushing 40 has a concave shape, which is This means that the radius along the The concave lower surface 44 matches the convex shape of the convex washer 50. The lower surface 44 of the washer 40 and the convex washer 50 together form a spherical washer. do.

[0030] The convex washer 50 is positioned between the concave bushing 40 and the flat washer 60. The convex washer 50 has a convex radius around the diameter of the washer 50. The convex radius matches the concave radius of the concave bushing 40. The ring 40 and the convex washer 50 together form a spherical washer, and the assembly 1 100 facilitates movement of assembly 100 relative to the surface to which it is fixed.

[0031] Convex washer 50 also has an elongated (non-circular) central opening 52 . The elongated opening 52 allows the convex washer 50 to move relative to the concave bushing 40. 120.

[0032] The combination of the concave bushing 40 and convex washer 50 together provides sufficient travel. Any structure connected to the anchor 120 is not necessarily parallel to the anchor 120. It is not necessary to stay within the axis of rotation.

[0033] The flat washer 60 distributes the torque when tightening the nut 70. Also, by providing an intermediate structure between the nut 70 and the convex washer 50, , to the rotary suspension point assembly 100 (specifically, the concave bushing 40, Prevents damage to the convex washer 50 and the nut 70. Flat washer 60 Although shown as a conventional circular ring, in further embodiments, the washer may There is little variation or contour along the planar surface of the washer (i.e., is flat), the washer 60 can have different geometric shapes. .

[0034] In the embodiment shown, the nut 70 is an elastomer stop nut (ESN). However, in a further embodiment, the nut 70 is Fasten the swivel suspension point assembly 100 to the anchor 120. 0. The nut can be any type known in the art. is.

[0035] As shown in FIGS. 2 and 3, when assembled, the bushing 40, convex Washer 50, flat washer 60, and nut 70 are attached to the tube of base 20. The anchor 120 is contained within the shaped portion 25 and protrudes from the assembly 100. In this way, the structure or object can be placed unimpeded on the anchor 1. It can be connected to 20.

[0036] Also for use with the rotating suspension point assembly 100 according to embodiments of the present disclosure. A connector 150 for use with the connector 150 is shown in FIGS. 2 and 3. Thus, the connector 150 includes two rectangular plates 151 and 152, each of which The plate has at least one hole at each of its ends. In the illustrated embodiment, the plate 151 has a first hole 153 (not shown) and an opposite hole 154. The plate 152 includes a pair of holes 154a, 154b at its end. 155 and a pair of holes 156a, 156b at the opposite end. The holes (e.g., 153 and 155, 154a and 156a, and 1 54b and 156b) will be recognized as being coaxial.

[0037] In the embodiment shown, the connector 150 connects the chain to a rotating suspension point. The plates 151 and 152 are used to fasten the base 20 to the assembly 100. The first holes 153, 155 are positioned on either side of the plates 30, 31. are coaxial with each other and with the openings 32, 33 in the plates 30, 31. 56 clamps plates 30, 31, 151, and 152 together and fastens to nuts 162. Optionally, the bolt 156 is held in place by an opening 161 in the end of the bolt 156. 2, the bolt 156 has a threaded The bolt 156 has a threaded portion 158 and an unthreaded portion 159. 153, 32, 33, and 155, and threaded portion 158 protrude from plates 152, 30, 31, and 153, while The inner surfaces of the openings 153, 32, 33, and 155 are threaded to the unthreaded portion 159. As a result, the connector 150 is The locking pin 1 is capable of pivoting about an axis defined by the locking pin 1. 57a, 157b, etc.) are formed between the holes 154a, 156a and the holes 154b, 156b. The opposing sides of the plates 151, 152 are secured together by engaging the

[0038] As shown in Figure 3, the chain is secured by locking pins 157a and 157b. The bolt 156 allows the bolt 156 to pivot. The connector 150 may be at an angle between 0° and 90° relative to the angle of the anchor 120. It is possible to do this.

[0039] Used in making components of the rotating suspension point assembly 100 The material is generally a metal.

[0040] The foregoing description of the present invention has been presented for purposes of illustration and description. are not intended to be exhaustive or to represent the precise form or forms disclosed. It is not intended that the invention be limited to the materials in which the forms may be embodied, and many modifications and variations are possible. Many modifications and variations are possible in light of the above teachings.

[0041] The present invention should not be limited to the embodiments and illustrations contained herein; As falling within the scope of the following claims, the invention relates to parts of embodiments and to different embodiments. It is understood that modifications of those embodiments involving combinations of elements are included. It is physically intended. [Explanation of symbols]

[0042] 10 bearing plates 11 Plate diameter 12 Center hole 13 Hole diameter 20 base 21 Plate 25 Tubular section 26 First half, upper half 27 Second half, lower half 30 plates 31 Plate 32 Opening 33 Opening 40 Concave bushing 41 Main parts 42 Flange part 43 center bore 44 Lower surface 45 flange edge 50 Convex washer 52 Central opening 60 Flat washer 70 Nut 100° Rotation Hanging Point Assembly 120 Anchor 150 Connector 151 Plate 152 plates 153 First hole 154a Hole 154b Hole 155 First hole 156 volts 156a Hole 156b Hole 157a Lock pin 157b Lock pin 158 Threaded Part 159 Non-threaded part 160 Locking Pin 161 Opening 162 Nut

Claims

1. a base having a plate and a tubular structure extending from the plate; and; A flanged bushing, the flanged bushing being adapted to prevent misalignment of the anchor. It has a flange with a concave surface with internal clearance to allow for alignment. a flanged bushing; a mating convex washer aligned with said concave surface; Rotating suspension point assembly, including:

2. The anchor is a threaded fastener or a post-installed concrete anchor.

2. The rotating suspension point assembly of claim 1.

3. The rotating suspension point assembly is devoid of any captive fasteners.

3. The method according to claim 1 or 2, wherein the anchor is adapted to apply an anchor of any length. Rotating suspension point assembly.

4. The rotary suspension point assembly further includes a convex washer, The bushing has a convex surface that corresponds to the concave surface of the flanged bushing.

4. A rotating suspension point assembly according to any one of claims 1 to 3.

5. the base further includes at least two fixed plates extending from the base; The fixing plates each have an opening designed to secure another structure.

5. A rotating suspension point assembly according to any one of claims 1 to 4.

6. The rotary suspension point assembly further includes a bearing plate, The ring plate has a surface area greater than the surface area of the plate of the base.

6. A rotating suspension point assembly according to any one of claims 1 to 5.

7. a base having a plate and a tubular structure extending from the plate; and; a concave bushing having a main portion and a flange portion having a surface; Convex washer and Rotating suspension point assembly, including:

8. 8. The method of claim 7, wherein the tubular structure projects vertically from the plate. Rotating suspension point assembly.

9. The main portion of the concave bushing has a first outer diameter and the flange portion , and a second outer diameter, the first outer diameter being smaller than the second outer diameter.

9. The rotating suspension point assembly of claim 8.

10. the tubular structure of the base has a first inner diameter and a second inner diameter; The first inner diameter is smaller than the second inner diameter, and the first and second inner diameters of the tubular structure are and a second inner diameter corresponding to the first and second outer diameters of the concave bushing.

10. The rotating suspension point assembly of claim 9.

11. 8. The method according to claim 7, wherein the surface of the flange portion of the concave bushing is concave.

11. A rotating suspension point assembly as described in any one of claims 1 to 10.

12. The concave surface of the flange portion of the concave bushing and the convex washer 12. The rotary suspension of claim 11, wherein the rotary suspension is positioned to form a spherical washer. Point assembly.

13. 13. Any one of claims 7 to 12, wherein the convex washer has an elongated central opening.

10. The rotating suspension point assembly of claim 1.

14. The base and the concave bushing are in contact with each other and in front of the convex washer.

14. The rotary suspension of claim 13, having a central opening coaxial with said elongated central opening. Point assembly.

15. The rotary suspension point assembly further includes a bearing plate, The ring plate has a surface area greater than the surface area of the plate of the base.

8. The rotating suspension point assembly of claim 7.

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