211 results about "Shackle" patented technology

Screw-type ground anchors that include a shaft extending along a longitudinal axis and having a screw section configured to drive the shaft along the longitudinal axis into the ground when rotated about the longitudinal axis. A drive head is disposed at an upper end of the shaft and is axially aligned with the longitudinal axis. The drive head is configured to receive a rotational drive for rotating the shaft, and has at least one bore therethrough that is transverse to the longitudinal axis. The bore(s) receives an upper end of the shaft and / or a pivot pin that rotatably couples a lay-flat shackle to the drive head. The lay-flat shackle is operable to pivot between an upright position extending generally along the longitudinal axis to a lay-flat position extending generally transverse to the longitudinal axis.

The invention relates to the field of offshore wind power generation equipment installation, and discloses an offshore wind power equipment transformer installation device which comprises a hoisting connector body composed of a hoisting plate, a hoisting rope mechanism, a traction steel wire rope, a butt joint mechanism, a first anti-falling mechanism and a second anti-falling mechanism. The hoisting connector body is used for connecting the transformer body for the offshore wind power equipment with a lifting hook of a hoisting device. The butt joint mechanism is arranged, and the butt joint mechanism is matched with the locking ring through the butt joint column, the T-shaped locking block and the locking ring, so that rapid connection with the transformer lifting lug is achieved; due to the oblique angle design of the butt-joint columns, the butt-joint columns can be conveniently inserted into the connecting holes, the T-shaped locking blocks are transversely limited to be matched with the locking rings to extrude the lifting lugs bidirectionally, a traditional rope knot or shackle fixing mode is replaced, operation time is shortened to be within 5 minutes from traditional about 30 minutes, lifting efficiency is improved, and the device is particularly suitable for operation in narrow spaces such as offshore operation platforms and tower barrels and in stormy wave shaking scenes. The device is suitable for efficient and safe installation of the transformer for offshore wind power equipment.

A circuit breaker is configured to ensure electrical safety when working on its circuits. The circuit breaker comprises a housing with an exterior boundary. The housing includes an “integrated” Lock-Off feature. It is integrated to one or more housing components of the circuit breaker not as a separate component to achieve most simplicity and least space used as compared to an “add-on” accessory based Lock-Off feature. The “integrated” Lock-Off feature has a feature that is configured to receive a shackle or a shank of a padlock. The circuit breaker further comprises a built-in Lock-Off mechanism including a handle that is configured to move relative to the feature. The built-in Lock-Off mechanism in combination with the Lock-Off feature is configured to prevent handle from being turned ON with the use of padlock. The padlock prevents circuit breaker from turning ON by impeding the handle from moving to an ON-position.

A locking device comprises a shackle 2 having a body portion and legs 4 extending therefrom with distal ends each having a foot portion 8; a tubular housing having an internal cavity and spaced first

The present invention relates to an arrangement for retrieving broken moorings comprising: at least three shackles; at least two slings; at least one mooring; at least one hook; at least one ROV needle rope; and a treble hook. The upper end of the mooring is connected to a working rope with a swivel link, and the lower end of the mooring is connected to the treble hook. In addition, the invention also describes a method for retrieving broken moorings, using said arrangement for retrieving moorings, comprising the following steps: positioning a treble hook close to a mooring to be retrieved; passing a sling around the mooring; connecting a sling to the hook; applying traction; and accommodating the mooring. In this way, the invention combines the flexibility and adaptability necessary to operate in different suspension conditions on the seabed, ensuring the efficient retrieval of the broken moorings, both in environments with high-suspension seabeds and in low-suspension seabeds.

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 provides a kind of lock catch support structure, can be matched in one track socket adapter to use, track socket adapter includes rotating shell and base, rotating shell is rotatably covered on base, and base below is fixedly connected with plug-in piece, and rotating shell is further fixedly connected with one driving rotating piece;Lock catch support structure includes: connecting portion, first extension arm and second extension arm, first extension arm and second extension arm are connected with connecting portion respectively and are set in the both sides of connecting portion;Wherein first extension arm is equipped with first locking portion, second extension arm is equipped with second locking portion, first locking portion and second locking portion are set to opposite direction, and first locking portion and second locking portion are received or protrude relative to plug-in piece.The lock catch support structure is more stable in rotation, and more has hand feeling.The locking and unlocking function between socket and conducting track is realized, and the integrity of product is enhanced, and outside sundries can also be effectively prevented from entering socket interior.

The invention relates to a hoisting tool and a hoisting method for a guide rail of a dock cabin traction device. The hoisting tool comprises a connecting plate, a chuck, a shackle, a pulley, a rope and a leaning target. The connecting plate is provided with a hoisting hole and a connecting through hole which are respectively used for hoisting and connecting with a middle mounting hole of a target guide rail; the chuck is arranged on the flat ball steel, the pulley is connected with the chuck through the shackle, the rope is connected with the end of the target guide rail through the pulley and used for pulling and adjusting the position, and the leaning target is used for supporting the target guide rail. The chuck is detachable, the leaning target is welded on the longitudinal bulkhead, and the rope can be a hemp rope. The hoisting method comprises the steps of forming a process hole in an upper deck, hoisting a target guide rail by using a crane, placing the target guide rail on a leaning target, mounting a chuck and a pulley, and pulling the target guide rail to a target mounting position through a rope. The tool and the method are simple in design, convenient to manufacture and high in operability, the guide rail hoisting efficiency can be remarkably improved, and the working efficiency and the construction safety can be improved.

The utility model discloses a square thin-wall pier stud main reinforcement hoisting formwork which comprises a tower crane lifting hook and four sets of lifting frames, and the four lifting frames form a whole. A tower crane lifting hook is connected with the lifting frame through a steel rope, the lifting frame is formed by welding 14 steel channels, a plurality of sets of steel bar lifting lug plates are welded to the lower end of the lifting frame, each set of steel bar lifting lug plates is connected with a set of connecting steel rope, and a set of connecting shackles are arranged below the connecting steel ropes and used for being connected with main bars, so that steel bar lifting operation is achieved. The utility model has the following advantages: (1) through the overall hoisting installation of a tower crane, the number of steel bars installed at a time is increased, and the steel bar installation speed is increased; (2) through effective connection of the buckles, the risk of releasing of the reinforcing steel bars in the hoisting process is avoided, and the safety risk is reduced; (3) the twisting deformation and the thread head damage of the whole bundle of reinforcing steel bars in the hoisting, vertical rotating and lowering process are avoided, and the reinforcing steel bar connection quality is ensured; and (4) long-time high-altitude operation of a project is avoided, and the safety risk is reduced.

The invention provides an automatic rod dismounting device for a down-the-hole drill and a using method of the automatic rod dismounting device. The automatic rod dismounting device comprises a mounting plate, a reversing column, a guide column, a supporting plate, a clamping rotating assembly, a positioning assembly and a limiting assembly. The core of the device is that the two supporting plates are driven by the reversing column to alternately work, so that the rod dismounting station and the rod taking station are separated, and the drill rod dismounting operation and the manual rod taking operation can be synchronously carried out. The clamping and rotating assembly is matched with the inclined face of the clamping rod through the adjusting ring, and the drill rod is reliably clamped and rotated to complete shackle. The positioning assembly and the limiting assembly can automatically clamp and fix the drill rod after the drill rod is transferred in place, and the drill rod is effectively prevented from toppling over. Automation and parallelization of the rod unloading process are achieved, the operation efficiency is remarkably improved, and meanwhile the safety risk and the labor intensity of manual operation are greatly reduced.

The utility model relates to the technical field of oil pipe tongs, in particular to a tooth mark-free oil pipe tong convenient to operate an upper shackle, which comprises a bearing base, a connecting seat is fixedly mounted at the top of the bearing base, a transmission component is fixedly mounted at the top of the connecting seat, a receiving groove is formed in the bottom of the bearing base, and a moving component is slidably mounted in the receiving groove; the oil pipe clamp has the beneficial effects that through the structures of the vertical sliding rail and the transverse sliding rail, the space orientation can be changed, the oil pipe butt joint operation is more efficient, the spherical hinge base, the adjusting rod and the adjusting handle are synchronously used, oil pipe butt joint of the oil pipe clamp can be more labor-saving, the butt joint accuracy is improved, and screwing-on and screwing-off work is facilitated; in addition, manual operation directly carried out under the hoisted oil pipe tongs is omitted, the operation safety is improved, screwing-on and screwing-off work can be conveniently carried out, and the working efficiency is improved.

The utility model discloses a novel multifunctional traction tow hook, which belongs to the technical field of tow hooks, and comprises a mounting buckle, a hook ring and a connecting component, and the mounting buckle is used for connecting a cross rod at the tail of a forklift; the shackle is mounted at the end part of a frame of the flat car; the connecting assembly is used for connecting the mounting buckle and the shackle and comprises two connecting rods and two mounting blocks, and the two connecting rods are kept parallel and are rotationally connected with the two mounting blocks respectively to form a movable parallelogram structure; wherein one mounting block is fixedly connected with a mounting buckle, and the side wall of the other mounting block is provided with a connecting structure used for being connected with a shackle. According to the novel multifunctional traction tow hook, through a parallelogram structure formed by the connecting assemblies, large-range connection height adjustment is achieved, and the height difference between a forklift and a flat car does not become a connection obstacle any more.

1. Name of the product in this design: Shackle (self-locking). 2. Purpose of this design: For securing ropes, primarily for connecting hoisting ropes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses an adjustable-width cable reel hoisting device, comprising two hoisting units and a connecting part for the hoisting units. Each hoisting unit includes a connecting pipe and two hoisting plates. The hoisting plates are installed at the upper and lower ends of one side of the connecting pipe. The connecting part of the hoisting unit connects the two connecting pipes. Both the connecting part and the connecting pipes have several mounting holes. The hoisting plates have hoisting holes. Shackles are installed at the hoisting holes of the lower hoisting plates of both hoisting units, and steel wire ropes are installed at the shackles. The length of this utility model is adjustable, making it suitable for hoisting various specifications and models of cable reels.

The invention relates to the technical field of engineering carrying devices, in particular to an E-shaped bank protection prefabricated part hoisting and positioning structure which comprises a first hook installed on a crane, the bottom end of the first hook is connected with a plurality of first lock chains, the bottom ends of the first lock chains are connected with a top frame, and a plurality of penetrating holes distributed in an array mode are formed in the two sides of the top end of the top frame. A connecting piece is mounted on the top frame; the bottom end of the prefabricated part body located at the upper end of the slope of the revetment body makes contact with the slope of the revetment body before the bottom end of the prefabricated part body located at the upper end of the slope of the revetment body makes contact with the slope of the revetment body, at the moment, operation of the crane is stopped, the starting part is started, the connecting part located at the contact end does not operate, and the other connecting parts are started; the prefabricated part body can be obliquely placed on the inclined face of the revetment body, and secondary supporting or manual placing of the prefabricated part body on the inclined face of the revetment body is avoided.

The utility model relates to the technical field of pipeline hoisting, and discloses a dangerous goods conveying pipeline hoisting device which comprises a hoisting hook body, two first clamping components, a linkage component and a second clamping component, according to the lifting hook, the lifting hook body is installed at the two ends of a pipeline, the two shackles of a crane are connected with the two connecting blocks, the crane is started, the four rotating plates can be driven by the connecting blocks and the two movable blocks to rotate, the rotating plates rotate to drive the clamping teeth to make contact with the outer wall of the pipeline, and therefore the friction force between the lifting hook body and the pipeline is increased; the rotating plate rotates to further drive two sliding rods to slide downwards, the two sliding rods slide downwards to push a sliding plate and a friction pad to slide downwards and finally abut against the outer wall of the pipeline, the friction force between the lifting hook body and the pipeline is further increased, and after lifting is completed, the rotating plate can be automatically reset under pushing of two first springs; and the sliding plate can reset under the pulling of the three second springs, repeated operation of workers is not needed, and time and labor are saved.

A padlock includes a lock body, a shackle, and a locking mechanism. The shackle includes first and second cylindrical shackle legs receivable in corresponding first and second shackle bores in the lock body. The locking mechanism is disposed in a central cavity of the lock body and is operable between a locked position securing the shackle in a retracted position and an unlocked position permitting movement of the shackle to an extended position. The first shackle leg includes a keyed shackle segment and the first shackle bore includes a keyed shackle bore segment that is aligned with the keyed shackle segment when the shackle is in the retracted position. The keyed shackle segment and the keyed shackle bore segment are shaped to block rotation of the first shackle leg within the first shackle bore when the shackle is in the retracted position.

The present invention is applied in the field of anchor line maintenance and, more particularly, relates to a method for subsea connection of anchor lines under tension, comprising: installing, by means of an ROV (31) of a support AHTS vessel (3), one or more floats (43) on an anchor hook shackle (42) of a fixed-point mooring line (41); providing, by means of a main AHTS vessel (2), a handling line (20) comprising a handling cable (21) attached to the main AHTS vessel (2) and a ballast mooring line (22) connected to the handling cable (21); connecting, by means of the ROV (31), the ballast mooring line (22) to a link of a seabed mooring line (12) of a stationary production unit (UEP) (1) in the vicinity of the anchor hook (13); paying out, by means of the main AHTS vessel (2), the handling line (20) with the ballast mooring line (22) connected to the link of the seabed mooring line (12) in the vicinity of the anchor hook (13); moving the main AHTS vessel (2) toward a fixed anchor point (4), passing over it, until a desired position is reached; connecting, by means of the ROV (31), the anchor hook (13) to the anchor hook shackle (42); and disconnecting, by means of the ROV (31), the ballast mooring line (22) from the link of the seabed mooring line (12). The present invention also relates to other methods for subsea connection of anchor lines under tension.

This utility model discloses a gravity self-locking lifting device for lifting finned tube assemblies, comprising an L-shaped hook, a hook bolt, and a counterweight. The L-shaped hook includes a lifting rod and a shackle mounting hole. The shackle mounting hole is installed at the top of the lifting rod, and the bottom of the lifting rod is L-shaped. The hook bolt includes a lifting rod, a shackle mounting hole, and a plug. The shackle mounting hole is installed at the top of the lifting rod, and the plug is fixedly connected to the bottom of the lifting rod. The bottom of the lifting rod of the L-shaped hook is inserted into the plug. The counterweight is sleeved on the two lifting rods of the L-shaped hook and the hook bolt. This utility model has a simple and reasonable structure. During the lifting process, due to the weight of the tube assembly and the clamping effect of the counterweight, the L-shaped hook is firmly fixed to the hook bolt, thereby achieving a self-locking effect. The application of this device can prevent the lifting device from disengaging, improve the safety of lifting, and is suitable for lifting finned tube assemblies as well as ordinary serpentine tube assemblies.

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.

The present invention relates to the technical field of submarine cables, and in particular to a submarine cable armoring steel wire anchoring device, comprising an anchoring disc base. A plurality of conical anchoring holes are formed in the outer ring of the anchoring disc base in an annular configuration; a conical clamp is slidably mounted in each conical anchoring hole; a cable armoring steel wire penetrates through the inner ring of the conical clamp; a lug plate is provided in the middle of the side of the anchoring disc base close to the large ends of the conical anchoring holes; a through hole is formed in the middle of the lug plate; a stud bolt is slidably mounted in the through hole of the lug plate; a U-shaped shackle is sleeved on the outer ring of the stud bolt; and locking nuts are threadedly mounted at both ends of the stud bolt. The gravity of a submarine cable is dispersed to multiple steel wires, and each steel wire is anchored, thereby improving the strength of anchoring of the submarine cable, reducing the probability that the submarine cable end anchoring position falls off, and greatly increasing the laying distance of the submarine cable.

The utility model discloses a maintenance assembly for replacing a middle disc carrier roller of an electric shovel without disassembly, which comprises a carrier roller supporting assembly and a carrier roller clamping assembly, when the electric shovel is maintained, the carrier roller supporting assembly is welded on a top bottom plate in an electric shovel maintenance hole through a shaft seat body, and the carrier roller clamping assembly is used for clamping the carrier roller to be replaced. And then one end of the steel wire rope is connected with a shackle at the top of the carrier roller clamping assembly, the other end of the steel wire rope is in lap joint with a rotating shaft of the carrier roller supporting assembly, and a maintainer standing on the lower side of the electric shovel access hole pulls the steel wire rope, so that the carrier roller can be pulled out of the carrier roller frame. When a new carrier roller is installed, the new carrier roller is clamped through the carrier roller clamping assembly, the steel wire rope wound around the rotating shaft is pulled, the new carrier roller is lifted to the corresponding height, and the carrier roller can be placed at the position of the carrier roller frame by being pushed and held by personnel. The maintenance assembly has the advantages of being simple in structure, convenient and fast to maintain, clean, sanitary, time-saving, labor-saving and capable of reducing labor intensity.

The utility model discloses a tower hoisting lug, which relates to the field of lugs and comprises a lug plate and a steel bushing, a hoisting hole is arranged on the lug plate, the steel bushing is arranged in the hoisting hole, a thickened steel ring is welded and fixed at one end of the steel bushing, an external thread is arranged on the outer surface of the other end of the steel bushing, and a nut is in threaded connection with the external thread. According to the utility model, the detachable steel bushing is arranged in the lifting hole, so that the shackle or the steel wire rope is in contact with the steel bushing, and the contact area is obviously increased, so that the local contact stress is effectively reduced, and the safety of the lifting lug under a heavy load working condition is improved; and under the action of the nut and the thickened steel ring, the steel lining and the lug plate are connected and fastened, so that the use reliability of the lifting lug is effectively improved, the occurrence probability of safety accidents is reduced, and a powerful guarantee is provided for the safety and construction efficiency of tower hoisting operation.

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 utility model discloses a double bolt shack, is related to the technical field of shack, including the main part, the main part inside is provided with a plurality of fixed rings, the fixed ring inside is provided with the bolt, the bolt one end is fixed with the fixed nut, the bolt outside is provided with the nut, the main part inside swing joint has the sliding rod, the bolt outside is provided with the hollow iron ring. The utility model discloses through outside staff with the recessed column of main part one side fixed in the power end, then in the multiple fixed rings of the main part inside, first insert first group bolt pin, then rotate, make the extrusion block of second group bolt pin outside setting, can extrude the sliding rod swing joint in the main part inside, to this to guarantee when using, the installation of two group bolt pin is completed, and on the outside of two group bolt pin, there is hollow iron ring to avoid the outside chain friction bolt and lead to bolt slack.

The utility model relates to a pump station bulkhead gate placing assembly which comprises a left placing piece and a right placing piece which are arranged on the two sides of a bulkhead gate in a matched mode and are the same in structure. The left placing piece or the right placing piece comprises a hanging beam arranged on the pier top of a corresponding hole opening of the bulkhead gate, at least two hanging ring bolts fixedly connected to the upper portion of the bulkhead gate side and a steel wire rope section connected between each hanging ring bolt and the hanging beam, and the lower end of each steel wire rope section is fixedly connected with a shackle connected with the corresponding hanging ring bolt in a matched mode. A rope knot sleeving the hanging beam is formed at the upper end of the hanging beam, a bearing guide wheel is fixedly connected to the top of the hanging beam corresponding to the rope knot, and a guide wheel groove allowing the rope knot to be embedded is formed in the bearing guide wheel. The placement assembly solves the problems that after the bulkhead gate is locked according to an original mode, a heat dissipation air outlet is small, so that heat dissipation air resistance is increased, the air outlet amount of a fan is reduced, heat dissipation of a stator coil of a main motor is affected, equipment operation noise is caused, the current is increased, and the operation efficiency is reduced.

The utility model relates to the technical field of crown block equipment application, in particular to a small-tonnage crown block drum hoisting tool, and aims to solve the problems that a fixed pulley at the head of a crane rod is close to a steel structure of a metallurgical plant roof during hoisting of an existing small-tonnage crown block drum, the hoisting height of a crane hook head is greatly limited, and the hoisting angle of a hoisting drum steel wire rope is too large; and the winding drum is easy to deflect and rotate, so that the safe hoisting is influenced. According to the tool, the crane is stopped at a hoisting position by determining crane hoisting condition allowable data and a hoisting space, a crane boom rod of the crane is extended to a specified height, a crane boom angle of the crane is raised to a preset angle, then the tool is hung on a crane lifting hook, and a winding drum is hung by using a shackle and a lifting rope, so that the included angle of the lifting hook and the lifting rope is as small as possible; and therefore, the risks of narrow hoisting space and rotation and deflection of the winding drum are solved.

The utility model discloses a high-strength single lock catch mooring chain mounting ring which comprises a mounting ring body and a T-shaped lock catch, the two sides of the upper end of the T-shaped lock catch are connected with the mounting ring body in a clamped mode, the lower end of the T-shaped lock catch is connected with the mounting ring body through a bolt, and the T-shaped lock catch is integrally formed in a forged mode and comprises a transverse portion and a longitudinal portion. And the transverse part and the longitudinal part are in smooth transition through the arc-shaped part. The installation ring is simple in structure, the forged integrated lock catch is directly spliced to the installation ring body and locked and fixed through the inside hexagonal bolt, and therefore rapid connection is achieved, operation is convenient and fast, and the connection strength is high.