392 results about "Shackle" patented technology

The present invention is directed to a padlock including a body configured to house a combination mechanism and a key mechanism, the combination mechanism configured to allow operation of the padlock from a locked mode to an unlocked mode, and the key mechanism configured to allow operation of the padlock from the locked mode to an unlocked mode, a shackle having a short-leg and a long-leg, a key mechanism indicator configured to at least partially extend out of the body of the padlock when the padlock is operated to the unlocked mode by the key mechanism, and a latch configured for operative engagement with the key mechanism indicator to retain the key mechanism indicator at least partially extended out of the body of the padlock until the padlock has been operated from the locked mode to the unlocked mode by the combination mechanism.

A full-unit lifting method for a quayside container crane includes calculating an overall center position of gravity of the quayside container crane full-unit; estimating a lifting height and a floating amplitude required by a main hook of a floating crane according to a water level differential at a dock and a height of the quayside container crane full-unit; selecting the floating crane and obtaining detailed parameters thereof according to basic lifting conditions of the floating crane; selecting a type of the main hook according to a weight of the quayside container crane full-unit, checking whether an interference between the boom of the floating crane and the front boom occurs, and determining an inclination angle of the floating crane during lifting; calculating a load on the lifting wire rope and selecting the lifting wire rope and a shackle; making preparations before lifting; and performing lifting at the dock.

The invention relates to the technical field of ocean unmanned vehicles, and particularly discloses a wave glider laying and recovery system and a collaborative operation method thereof.The wave glider laying and recovery system is composed of a transferring laying device, a tail buoy, a flat cable recovery device and a salvage recovery rod; the moving, transporting and laying device adopts a modularized quick-release structure and a positive and negative thread screw collinear self-adjusting positioning mechanism and is matched with a hand-pulled spring shackle to achieve five-minute zero-assembly laying, and a tail buoy achieves floating body electric control separation through a waterproof steering engine driving lead screw nut transmission and a guide column-guide sleeve conical self-centering structure. The flat cable recovery device is designed based on an eccentric cam self-locking principle and a progressive clamping mechanism, and is combined with a three-stage hoisting strategy to complete efficient and lossless recovery of the flexible flat cable of 7-8 meters; the invention further discloses a collaborative operation method of the wave glider laying and recovery system, which comprises the processes of moving and positioning, device separation, hand pulling and releasing and underwater unfolding in a laying stage, and a time sequence linkage strategy of buoy separation, positioning and dragging and graded hoisting in a recovery stage.

A bottom opening password lock comprises a lock case and a liner arranged in the lock case as well as a shackle connected with a top of the lock case, a lower cover is arranged on a lower side of the liner, and a locking mechanism and a password assembly are installed between the liner and the lower cover; the locking mechanism comprises a first bolt and a second bolt which are arranged correspondingly as well as a bolt pin arranged between the first bolt and the second bolt, and a bolt spring is installed on the bolt pin; the shackle is pressed down to make the forcing push head push clutch sleeves to move axially, thus the clutch sleeves and password wheels can be separated to realize code adjusting. The utility model is simple in structure and convenient to use.

A trailer coupler (e.g., gooseneck coupler) lock assembly includes a lock housing (housing), a retainer plate (retainer) and a coupler head case (case). The retainer and case each include a tab with a hole that extends through a window in the lock housing and is engaged by a shackle of a hidden shackle padlock, which locks the retainer and case to the housing. The housing and the case define a volume for receiving a gooseneck coupler head, with upper panels of the case and housing protecting and impeding removal of the gooseneck coupler head. A ball profile extends from a base of the case into a socket of the head of the coupler. The retainer and / or one or more notches in the lock housing secure a latching mechanism of the gooseneck coupler in a locked position, preventing disengagement of the ball profile.

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 technical field of well drilling, and discloses a drill rod holding tool and a drill rod shackle device which comprise two block bodies, a rotating body and a pressing plate. The two block bodies can get close to each other or get away from each other, at least two grooves are formed in each block body, and openings are formed in the sides, close to each other, of the grooves in the two block bodies respectively. A rotating body is rotatably connected in each groove, a pressing plate is arranged on each rotating body, and the pressing plate partially extends out of the opening. When the drill rod needs to be held tightly, after the drill rod is placed between the two block bodies, the two block bodies are close to each other until the pressing plates on the rotating bodies in the grooves in the block bodies abut against the drill rod in an attached mode, and therefore the drill rod is held tightly. As for drill rods with different diameters, due to the fact that the rotating bodies can rotate in the grooves, after the pressing plates on the rotating bodies in the grooves in the block bodies abut against the drill rods, the rotating bodies rotate in the grooves, the pressing plates can abut against the drill rods in an attached mode, the drill rods are tightly held, the pressing plates do not need to be replaced, and operation is more convenient.

A padlock including a lock body, a fingerprint panel configured for operation of the padlock from a locked mode to an unlocked mode by using an electronic mechanism, a shackle having a long leg and a short leg, at least one bolt configured to engage with or disengage with the shackle, a cam to control the movement of the at least one bolt, a sloped-cam to control the movement of the cam, and a motor operatively coupled to the fingerprint panel and having teeth to control movement of the sloped-cam.

An electronic lockbox uses a rotary actuator with multiple positions to achieve multiple locking states. Multiple positions of the actuator are detected, using optical sensors. The locking mechanism includes an outer sleeve and an inner cylindrical barrel that are coupled with torsion springs. The lockbox has a shackle and a key bin that are retained by the inner barrel when in the locked state, and the barrel can be rotated to either release the shackle or to release the key bin that typically holds a building's key.

The utility model relates to the technical field of lifting beam tools, in particular to a steel plate lifting beam tool which comprises a lifting beam main body and a plurality of groups of lifting components arranged on the lifting beam main body, the hoisting assembly comprises two hoisting belts and two horizontal plate hooks, the two hoisting belts are symmetrically installed on the two sides of the bottom of the hoisting beam body through first shackles, and the lower ends of the hoisting belts are connected with the horizontal plate hooks through second shackles; the two horizontal plate hooks of each group of hoisting assembly are oppositely arranged; a plurality of lifting lugs are symmetrically arranged at the top of the lifting beam main body, and at least one electromagnetic adsorption assembly is arranged at the bottom of the lifting beam main body. The steel plate hoisting device can be used for hoisting large steel plates, and the stability and the safety of steel plate hoisting are improved.

The invention discloses a tower end hanging bracket for hoisting an inclined guy cable and a construction method thereof, and relates to the technical field of bridge engineering. The hanging bracket comprises a horizontal carrying pole beam, a cable clamp assembly and a connecting assembly. The cable clamp assembly comprises a steel plate vertically fixed to the tower end through a bolt and a semicircular hanging ring horizontally hinged to the steel plate, a hinged shaft is parallel to the axis of the tower end, and the hanging ring can rotate in a vertical plane. A support with a rubber strip is arranged in the hanging ring and slides along the arc of the hanging ring, and a beam end limiting rod horizontally sliding in the second support can be clamped with the first support. In the connecting assembly, the steel wire rope penetrates along the tangent line of the hanging ring and is clamped by the rubber strip, the two ends form lasso through shackles, and the limiting rod is clamped to prevent the steel wire rope from disengaging. The construction method comprises the steps of preparation, pre-installation, assembly, hoisting and dismantling maintenance. The hoisting safety, stability and equipment universality are improved, maintenance is convenient, and the construction quality and efficiency are improved.

A door latch device may include a first mounting bracket for mounting to a first door or gate. The device may further include a second mounting bracket for mounting to a second door or gate, and a locking bar with a hasp and a hasp opening configured to be slideably received by a locking bar retainer of the first mounting bracket and a second locking bar retainer of the second mounting bracket, wherein the locking bar is configured to be slid through the locking bar retainer and into the second locking bar retainer until a hasp of the locking bar passes through a lock mount opening of a lock mounting portion of the first mounting bracket, and wherein the hasp opening is configured to have a lock bolt passed therethrough to lock the position of the locking bar with respect to the first mounting bracket.

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.

The invention discloses a construction method of an integral raft type water photovoltaic supporting frame. The integral raft type water photovoltaic supporting frame comprises a photovoltaic upper support and a foundation structure. The foundation structure comprises a raft foundation, a plurality of piles installed on the raft foundation and foundation hanging rings. A special hanging bracket adopted in the construction method comprises a hanging bracket frame, a plurality of equipment hanging rings installed on the top face of the hanging bracket frame, a plurality of hanging bracket hanging rings installed on the bottom face of the hanging bracket frame, a plurality of rope collecting devices installed on the top face of the hanging bracket frame and a plurality of hanging ropes with the upper ends connected to the rope collecting devices, and the lower end of each hanging rope is connected with an elastic shackle. The special hanging bracket is adjusted to the position over the overall photovoltaic supporting frame through hoisting equipment, and the hanging rope is lowered through the rope winding device till the elastic shackle at the lower end of the hanging rope is connected with the basic hanging ring; the whole photovoltaic supporting frame is lowered to an underwater foundation by using a crane ship, and then the elastic shackle and the foundation hanging ring are automatically unhooked through the rope winding device. The installation precision can be improved, and the overwater operation amount can be reduced.

The utility model relates to a transition connection tool for test weight hoisting. Comprising a main plate, a first heavy plate, a second heavy plate, a connecting plate, a shackle, a process shaft and a shaft clamping plate, according to the structure, the process shaft, the clamping plate, the first heavy plate, the second heavy plate, the connecting plate, the shackle and the clamping shaft plate are combined, so that the bearing capacity of the structure is enhanced to meet the project requirement, the situation that the structure is prone to damage is avoided, meanwhile, the safety of a hoisted object can be guaranteed, and the construction safety is ensured. The two sides of the extending end of the process shaft are each provided with a groove, the shaft clamping plates are clamped into the grooves and are in threaded connection with the second heavy plate, and therefore the stability of the process shaft and the structural strength of the structure are improved. The first rib plates are further fixed to the two sides of the middle of the first heavy plate on the two sides of the main plate of the structure, the second rib plates are further fixed to the two sides of the bottom of the first heavy plate, the structural strength of the structure can be further improved, and construction safety is improved.

The utility model discloses a modularized detachable bulk material lifting appliance which comprises a lifting beam, the top of the lifting beam is connected with a plurality of first lifting ropes through first lifting lugs, two transverse strips are symmetrically and fixedly installed on the two symmetrical sides of the bottom of the lifting beam, and a plurality of through holes used for being connected with lifting appliance modules are formed in the transverse strips in a penetrating mode. The lifting appliance comprises a second sling, the bottom end of the second sling is connected with an anti-falling lifting appliance, and the top end of the second sling is connected with the corresponding through hole through a shackle; when the lifting appliance is used, after the lifting beam is hung on a lifting hook of hoisting equipment through the first sling, a proper number of lifting appliance modules are selected according to the size and the number of pipelines needing to be unloaded, and then the second sling is connected with the corresponding transverse strip through the matching of the shackles of the lifting appliance modules and the through holes; and then the anti-falling lifting appliance is mounted at the two ends of the corresponding pipeline, so that a plurality of pipelines can be lifted at one time, the unloading and lifting efficiency of the bulk pipelines is greatly improved, and the use effect is good.

The invention is suitable for the technical field of anchor chain shackles, and provides an anti-falling structure of a high-load anchor chain shackle and quick dismounting and mounting equipment of a blocking piece of the anti-falling structure, the anti-falling structure comprises an anchor chain shackle body, and the anchor chain shackle body comprises a shackle body, a transverse shaft, a threaded column, a nut and a shackle hole; by rotating the input rod, the output rod and the limiting frame rotate synchronously, due to the fact that the spring is arranged between the two limiting pin rollers, one limiting pin roller can extrude the other limiting pin roller, the limiting frame cannot rotate easily, and the input rod cannot rotate easily; therefore, the purpose of keeping the position unchanged after the rotation angle is adjusted is achieved. Meanwhile, one of the limiting pin rollers can limit rotation of the output rod, so that any torque force applied to the output rod is invalid, the input rod cannot be reversely rotated through the output rod, and the purpose that when the transverse shaft is rotated by any torque force, the transverse shaft and the buckle body cannot be loosened is guaranteed; and the connection stability between the anchor chain and the shackle is further improved.

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 invention relates to the technical field of electric power engineering construction, and discloses an electric power engineering 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. And the hoisting connector body is used for connecting the transformer body with a lifting hook of a hoisting machine. According to the installation device of the electric power engineering transformer, the butt joint mechanism is arranged, and the butt joint mechanism is rapidly connected with a transformer lifting lug through cooperation of a butt joint column, a T-shaped locking block and a locking ring; due to the oblique angle design of the butt-joint column, the butt-joint column can be conveniently inserted into the connecting hole, the T-shaped locking block is transversely limited and matched with the locking ring to bidirectionally extrude the lifting lug, a traditional rope knot or shackle fixing mode is replaced, single-person operation time is shortened to be within 5 minutes from traditional about 30 minutes, lifting efficiency is greatly improved, and the device is particularly suitable for high-altitude or narrow space operation. And the operation difficulty and physical output of constructors are reduced.

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.

A lock comprises a ring shackle and a locking device, the ring shackle having a first longitudinal end and a second longitudinal end. The ring shackle has a first hinge at its first longitudinal end and is divided at its second longitudinal end, forming a left shackle section and a right shackle section, the ring shackle being selectively opened or closed by a pivoting movement at the first hinge. The locking device is formed at the second longitudinal end of the ring shackle to selectively lock the ring shackle in the closed position.

The double-beam pile turning-over process is characterized in that two main hoisting steel wires on two hoisting beams are respectively sleeved to two lifting lugs of a steel pipe pile, a lock of a tail sliding steel wire connected through a shackle mechanism of a hook one hooks the tail of the steel pipe pile, the hook one and a hook two are lifted to drive the steel pipe pile to be separated from a transport ship, and the transport ship departs; at this time, the hook one and the hook two are lowered, when the hoisting weight of the hook one and the hook two is obviously reduced, the lowering of the hook two is temporarily stopped, the hook one continues to be lowered until the tail sliding steel wire is in a slack state and is separated through the shackle mechanism, then the hook one is lifted until the hoisting weight of the hook one and the hook two is close, the hook one and the hook two start to be synchronously lifted, and the steel pipe pile slowly realizes the pile turning-over operation around the lifting lugs in the process of synchronous lifting of the hook one and the hook two. The double-beam pile turning-over process is convenient, safe and low in cost.

A fabricated metal plate which allows you to attach a standard 1⅞″, 2″ or 2 5 / 16″ hitch ball with a 1″ shank and attach to a winch line cable via a hook or shackle. When attached to a standard trailer receiver, the Trailer Recovery Plate will allow you to recover the trailer safely with better adequate control.