60results about "Shackles" patented technology

The present invention provides a shackle, which includes: a shackle body formed in a bar shape bent so that opposite ends are adjacent to each other and face the same direction as each other, wherein the shackle body passes through a through hole formed in a loop at an end of a linear wire body; fastening rings provided at opposite ends of the shackle body, respectively, and having a penetration hole formed therein, wherein at least one of the fastening rings is detachably coupled to the shackle body; a first fastening means which passes through the penetration hole of the fastening ring to prevent the linear wire body from being separated from the shackle in a fastened state; and a second fastening means which is coupled with the first fastening means to prevent the linear wire body from being separated from the shackle together with the first fastening means.

The utility model relates to the technical field of special-shaped chains, in particular to a special-shaped chain. According to the technical scheme, the special-shaped chain comprises a special-shaped chain body, the special-shaped chain body comprises a plurality of special-shaped chain blocks, each special-shaped chain block comprises a connecting tail block, a connecting head block is arranged on the rear side of each connecting tail block, a connecting groove is formed in the rear side of each connecting head block, and first pin holes are formed in the left side and the right side of each connecting tail block in a penetrating mode. According to the special-shaped chain, the plurality of special-shaped chain blocks, the fixing blocks, the connecting plates, the triangular blocks, the connecting pins, the pin heads, the pin caps and the U-shaped limiting blocks are arranged, so that the special-shaped chain bodies with different lengths can be combined according to requirements, can be connected end to end, can be quickly disassembled and assembled, can be disassembled and assembled without a tool, is convenient to maintain, and is convenient to use. The maintenance efficiency is improved, the connecting plates can be limited by arranging the inserting grooves to the blocking pieces, connection is more stable, and convenience is provided during disassembly by arranging the lug plates to the hook plates.

The invention relates to a chain link (1) for a tire chain. The chain link (1) has a first part (2) and a second part (4) which is welded together with the first part (2). The first part (2) is provided with at least two webs (6) which are arranged next to each other, wherein a hook-in opening (8) is delimited by two respective webs (6) and the second part (4), and two opposite sides (10, 10') of the second part are provided with recesses (12) which correspond to the webs and into each of which a respective end (14) of the webs (6) is inserted.

Component (1) of the lifting, lashing or rigging technology for outdoor or offshore applications, in particular in the form of a shackle, with an opening (3) formed by a base body (2) which has at least one closable passage (4), with a closing element (5) by which the passage (4) is closed in a closed position (78), with a lock (6) by which the closing element (5) is rotatable relative to the base body (2) in the closed position (78) and secured against opening of the passage (4), and with a locking mechanism (7) which is automatically activated in the closed position (78), by which the lock (6) is blocked in the closed position (78) and which has a gripping element (9) designed to be operated manually without tools for releasing the locking mechanism (7), wherein an indicator element (20) which is visible from outside the component (1) when the locking mechanism (7) is activated and concealed when the locking mechanism (7) is not activated,and / or an indicator element (20) is provided which is visible from outside the component (1) when the locking mechanism (7) is not activated and is concealed when the locking mechanism (7) is activated.

A coupling block element (20) for a Kenter shackle, formed from two half elements which can be pushed into one another, for anchor chains, wherein the half elements each have one short limb with a profile structure at the end and one long limb with a receiving chamber therefor, and the coupling block element can be inserted between the half elements which are pushed into one another, and wherein: - the coupling block element (20) has a housing (21) which is profiled on its side surfaces, which are to face the half elements, for positively locking guidance on the half elements; – at least one locking element (22) which can be displaced in a locking element guide bore (21.2) and the ends (22.2) of which, which exit to the outside, are configured for engaging in locking element receptacles on the inner flanks of the half elements is arranged on each of the opposite sides of the main body (21), – the two locking elements (22) can be displaced to the outside by means of a common expansion element which engages between the locking elements (22); wherein the expansion element is formed by an eccentric bolt (24) which is arranged rotatably in a central bore (21.1), oriented at a right angle with respect to the locking element guide bores (21.2) of the locking elements (22), in the housing (21), and which has an non-round cross section at least in a region which adjoins the locking element guide bores (21.2) of the locking elements (22).

A rope includes a main rope segment, a branching position and an end connector segment, wherein the end connector segment includes a first rope-branch, which includes a first rope-branch-eye, and a second rope-branch, which includes a second rope-branch-eye, wherein an attainable maximum first effective length of the first rope-branch is higher than 120% of an attainable maximum second effective length of the second rope-branch. The rope allows for alternative favourable manners of connecting the rope to other ropes and to other types of external objects.

A connecting block element (20) for a Kenta shackle used in an anchor chain, formed from two interlocking split elements, each split element having a shorter leg with a deformed structure at its end and a longer leg having a housing for the shorter leg, the connecting block element being insertable between interlocking split elements, - The connecting block element (20) has a housing (21), the housing (21) having a contour on its side facing the split elements to guide them shape-connectively, - On opposite sides of the base (21) are at least one locking element (22) each displaceable within a locking element guide hole (21.2), the outward-extending end (22.2) of the locking element (22) is configured to engage with a locking element housing provided on the inner side of the split element, - Both locking elements (22) are displaceable outward by a common expanding element that engages between them, the expanding element being formed by an eccentric pin (24), the eccentric pin (24) being rotatably positioned in a central hole (21.1) provided in the housing (21) and oriented perpendicular to the locking element guide holes (21.2) of the locking elements (22), and a connecting block element (20) having a cross-section of a shape other than circular in at least the region adjacent to the locking element guide holes (21.2) of the locking elements (22).

The present invention relates to a shackle (100). The shackle comprises a shackle body (101) for use with a shackle pin (102).The shackle body (101) comprises a flexible elongate member (104) comprising at least one length of rope circuitously formed so that the flexible elongate member (104) passes through itself and defines three sequentially 5 adjacent noose portions Three sequentially adjacent noose portions comprise an intermediate noose portion (110) and two end noose portions (108, 109) at opposing ends of the shackle body (101).

A chain connector (100) is disclosed. The chain connector comprises a chain connector body (105) comprising an opening (110) for enabling the chain connector to be coupled to a chain link (205) of a first chain (200). The chain connector comprises a bridge member (115) pivotably coupled to the chain connector body and configured to selectively bridge the opening. The chain connector comprises a locking member (120) moveably coupled to the chain connector body and configured to engage with the bridge member to lock the bridge member in a closed position bridging the opening.

Fork (11) of a lashing device, in particular a tensioning screw (10) for lashing containers on board container ships, with a U-shaped mouth (14) and a bolt (15) which, in the working position, closes the mouth (14) at its open end, characterized in that the bolt (15) has at least two seating surfaces (18, 19).

The utility model discloses an assembling, disassembling and self-tightening integrated chain structure for TRD, which comprises a main body assembly, a pin shaft, a chain sheet, a mounting piece and a positioning ring, the chain sheet slides on the surface of the pin shaft, the mounting piece is positioned in the chain sheet, the positioning ring is arranged on the surface of the pin shaft, a plurality of positioning through holes are formed in the surface of the pin shaft, and the positioning through holes are communicated with the pin shaft. A notch matched with the positioning through hole is formed in the surface of the positioning ring; and the connecting assembly is arranged on the surface of the pin shaft and comprises a connecting piece, a positioning block, a first sliding block, a second sliding block and an inserting rod, and the connecting piece is rotationally connected to the surface of the pin shaft. The chain has the advantages that the length of the chain can be conveniently adjusted through the installation part, the chain is prevented from loosening, the chain can be conveniently disassembled and assembled through the connection assembly, and the situation that the chain is difficult to disassemble due to structural stress in the soil cutting process is avoided.

A threaded pin assembly (100) for a chain (10) having a first link (12) and a second link (14) is provided. The threaded pin assembly (100) can include a threaded pin (102), a spacer (134), a thrust washer (142), and a threaded fastener (144). The threaded pin (102) can have a head (104) at a first end (106), a threaded portion (108) at a second end (110), a body portion (116) disposed between the head (104) and the threaded portion (108), and a pin shoulder (122) disposed between the body portion (116) and the threaded portion (108). A method (200) of coupling a first link (12) of a chain (10) to a second link (14) of the chain (10) using the threaded pin assembly (100) is also provided. The threaded pin assembly (100) for linking individual chain links together offers a quick, cost-effective, and straightforward solution for both assembly and repair.

The utility model discloses a locking assembly used for connecting a drag chain link, the drag chain link is provided with a pair of two main sheets which are arranged in parallel, and the left end and the right end of each main sheet along the length direction of the main sheet are respectively a first hinge end and a second hinge end. The first hinge end of any main piece is matched with the second hinge end of another adjacent main piece in an inserted mode, and the first hinge end and the second hinge end are connected in a locked mode through a locking assembly. The locking assembly is composed of a locking plate and a locking seat which are matched in an aligned mode, and locking connection of the two adjacent main pieces is achieved through buckling connection of the locking plate and the locking seat. And the locking plate is connected with a positioning through groove on the main plate in a buckling manner. The locking assembly which is convenient to assemble and disassemble and can be repeatedly used is adopted, flexible switching installation between chain links of the drag chain is facilitated, the situation that a locking plate is scrapped after pried by an original screwdriver is avoided, the service life can be effectively prolonged, and accessory cost is saved.

A soft shackle is provided that incorporates a locking mechanism that prevents or limits travel of a loop from passing back over a shackle knot caused by slippage when not under tension of a load. The locking mechanism controls the loop's ability to expand in size, such as through a positive locking force or establishes a safety factor with respect to the size of the loop needed to slip over the knot, or both.

The invention belongs to the field of devices for deck cargo carrying, and particularly relates to a hole hook for fastening and a fastening rigging. In order to enable a fastening rigging to be suitable for a round hole, the hole hook for fastening comprises a hook body and a lock pin which is matched with the hook body so as to fix the hook body on the round hole during use; the hook body comprises a first insertion section used for being inserted into the round hole and a locking block connected to the lower portion of the first insertion section, the locking pin comprises a second insertion section used for being inserted into the round hole, and the side, away from the second insertion section, of the first insertion section and the side, away from the first insertion section, of the second insertion section are both in an arc shape used for being matched with the hole wall of the round hole in a radial stopping mode. One of the hook body and the lock pin is provided with a sliding rail extending up and down, and the other one is provided with a corresponding sliding groove. The invention further provides a fastening rigging comprising the hole hook for fastening. In the radial direction, the hook body is limited through the lock pin, so that the hole hook is clamped in the round hole and cannot be unlocked by itself, and the fastening rigging with the hole hook can be used for binding goods.

The utility model relates to a reinforced PTO shaft safety chain. The reinforced PTO shaft safety chain comprises a connecting chain, a connecting ring, an elastic fastener and a crossed hook which are connected in sequence. The crossed hook piece comprises a torsion spring, a first extending part, a second extending part, a first bending part and a second bending part, the torsion spring is connected with the connecting chain in a sleeving mode, the first extending part and the second extending part are integrally arranged at the two ends of the torsion spring respectively, and the first bending part is integrally arranged at the end of the first extending part; a second bending part is integrally arranged at the end part of the second extending part, and the first bending part and the second bending part are arranged in a crossed manner; and an opening is formed between the first bending part and the second bending part. Compared with the prior art, the PTO shaft safety chain has the advantages that the end structure, connected with other parts, of the PTO shaft safety chain is improved to be the crossed hook piece, the torsion spring of the crossed hook piece and the first bending portion and the second bending portion which are arranged in a crossed mode bear force together, strength is improved, bearing force is enhanced, and the PTO shaft safety chain is not prone to deformation and falling off in use and more stable in use.

This invention discloses a chain guide for a chain hoist, which is integrally composed of a flexible base bar, rigid guide protrusions, and rigid slip rings. The guide protrusions are evenly spaced and formed on the surface of the base bar, and the slip rings are formed on each guide protrusion and are perpendicular to each other. The tail slip ring located at the bottom end of the base bar is used to connect with the lifting chain. A matching structure between the chain guide and a guide frame with a lifting sprocket is also provided. The guide frame is an integral structure with an upper cavity and a lower part having a guide frame inlet hole and a guide frame outlet hole communicating with the cavity. An arc-shaped groove is arranged around the guide frame inlet hole, the guide frame outlet hole, and the cavity. The lifting sprocket is located within the cavity. The slip rings slide in and out of the guide frame inlet hole and the guide frame outlet hole, respectively, and the guide protrusions slide in and out of the arc-shaped groove. The slip rings adaptively engage with the chain groove of the lifting sprocket, and the base bar adaptively adapts to the chain ring groove of the lifting sprocket. This fulfills the requirement of guiding the assembly of the lifting chain.

The present invention relates to a nut and securing pin assembly (1) for being fastened to a shackle, the shackle comprising a shackle body (5) comprising two through-holes (2), and a shackle bolt (3) comprising: a bolt shaft (6); a bolt head (7); threads (8); a bolt through-hole (9), the nut and securing pin assembly (1) comprising: a nut (10) comprising: internal threads (11) configured for screwing onto the bolt shaft (6); two nut through-holes (12) each arranged diametrically in the nut (10) and extending along the same axis, a securing pin (13) configured to be arranged through the bolt through-hole (9) and the nut through-holes (12) and thereby locking the nut (10) to the bolt shaft (6), the securing pin (13) having a length (L) that is less than the distance (D) between the outer radial edges (14) of the nut (10) at the through-holes (12).

A lightweight and flexible load bearing shackle that is configurable in operation. The shackle includes a bow made of a plurality of loops of synthetic fiber rope (e.g., polypropylene, nylon, polyester, polyethylene, Aramid, acrylic, co-polymer fibers) within a sheathing. The sheathing is secured together to form a receptacle (opening) in each leg of the bow that has a boot located therewithin. The sheathing and the boot may be secured together using a cover.The boot may include an enclosed channel that the sheathing is routed through to secure the bow and the boot. The boots include threaded holes passing therethrough where one threaded hole is larger than the other. A connection pin having two threaded portions (one portion larger than the other) separated by a non-threaded portion is used to secure to the boots and maintain the ends a certain distance apart (length on non-threaded portion).

A threaded pin assembly for a chain having a first link and a second link is provided. The threaded pin assembly can include a threaded pin, a spacer, a thrust washer, and a threaded fastener. The threaded pin can have a head at a first end, a threaded portion at a second end, a body portion disposed between the head and the threaded portion, and a pin shoulder disposed between the body portion and the threaded portion. A method of coupling a first link of a chain to a second link of the chain using the threaded pin assembly is also provided. The threaded pin assembly for linking individual chain links together offers a quick, cost-effective, and straightforward solution for both assembly and repair.

A coupling device comprising a flexible elongate member of at least one length of an at least twice wound rope and a pin configured to be removably engaged with the flexible elongate member, wherein the flexible elongate member is formed as a loop or a part loop completing the loop with the pin, wherein at least one winding of rope is of disparate length to at least one other winding.

Mooring shackle comprising a shackle body (100) and a shackle pin (200) for joining the shackle body (100) with a mooring chain (20), the shackle body (100) comprising a lower end (110) with apertures in which the shackle pin (200) having a through hole for receiving a locking pin (204) is arranged, and a securing nut (205) with a further through hole (206), the locking pin (204) passes through the through hole (206) of the securing nut (205) and the through hole of the shackle pin (200) blocking the shackle pin (200) and the securing nut (205), and the shackle pin (200) has a blocking device (207) for retaining the securing nut (205) between the shackle body (100) and said blocking device (207).

A lightweight and flexible load bearing shackle that is configurable in operation. The shackle includes a bow made of a plurality of loops of synthetic fiber rope (e.g., polypropylene, nylon, polyester, polyethylene, Aramid, acrylic, co-polymer fibers) within a sheathing. The sheathing is secured together to form a receptacle (opening) in each leg of the bow that has a boot located therewithin. The sheathing and the boot may be secured together using a cover. The boot may include an enclosed channel that the sheathing is routed through to secure the bow and the boot. The boots include threaded holes passing therethrough where one threaded hole is larger than the other. A connection pin having two threaded portions (one portion larger than the other) separated by a non-threaded portion is used to secure to the boots and maintain the ends a certain distance apart (length on non-threaded portion).

A mooring line chaser, commonly known as a J-chaser, has a main body with a shank section and a throat section. Interchangeable throat inserts may be mounted in the throat section by bolts or other means. The interchangeable throat inserts may have contours which engage a mooring chain so as to permit movement of the interchangeable throat insert, and consequently the mooring line chaser, in a single direction along the chain, in both directions along the chain, or in neither direction along the chain.

The present invention relates, in conjunction with Figure 3, to a round steel chain link 1 for a link chain, particularly for use in mining or lifting technology, wherein the round steel chain link 1 has two parallel legs 2 and two opposing radii 4, wherein the cross-sectional contour on the outer sides 6 of the legs 2 is reduced compared to the radii 4, characterized in that the legs 2 have an inwardly directed indentation 7 on both sides 10 of their outer side 6 along their course in the longitudinal direction 3 of the chain, and that the indentation extends over the entire length of the leg 2 and / or that the height 12 of the leg 2 is equal to or less than the diameter 13 in the radii 4.