523 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.

Embodiments of the present technology include a circuit breaker with a tripping mechanism. The tripping mechanism includes a latch and a latch lever, according to some embodiments. The latch lever may be coupled to a toggle via a joint arm in some embodiments. The latch lever may also be coupled to a change lever via a buckled shackle. In some embodiments, the buckled shackle includes a first section, a second section, and a bend between the first section and the second section.

A lockout clip for carrying padlocks used to lockout equipment includes an anchor section with a first side and a second side opposite the first side, a top edge, a bottom edge distal to the top edge, a first side edge, and a second side edge distal to the first side edge The lockout clip includes a ridge section coupled to the first side of the anchor section and extending away from the first side of the anchor section and is connected to the first side in a direction from the top edge to the bottom edge. The ridge section includes two or more lock openings. Each lock opening is sized for a shackle of a padlock used to lockout access to equipment, and each lock opening of the two or more lock openings is oriented perpendicular to the ridge section. The anchor section includes a clip and / or a magnet.

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 discloses a crane shackle for hoisting construction of a large pipe truss, and relates to the technical field of crane shackles. Comprising a shackle mounting piece, a rotation control piece is mounted on the shackle mounting piece, and a stop plug connector is mounted on the shackle mounting piece; the rotation control piece is used for preventing the shackle mounting piece from being excessively screwed; an anti-falling safety part is mounted on the rotation control piece; the anti-disengaging safety part is located on the side face of the shackle installation piece. A connecting limiting piece is mounted on the shackle mounting piece; a shackle detection piece is mounted on the connection limiting piece; the problems that according to an existing crane shackle for hoisting construction of the large pipe truss, a bolt cannot be tightened conveniently, and the service life of the shackle cannot be known conveniently are solved. The backstop plug connector is matched with the rotation control piece, so that the shackle bolt can be prevented from being excessively screwed, the use safety of the structure can be improved, and the situation that due to the fact that the shackle bolt is excessively stressed, tiny deformation is generated, and thread seizure is caused is reduced.

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.

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 provides a steel plate lifting appliance which comprises a support lever, a plurality of lifting appliance components and a pressing device, the upper parts of the plurality of lifting appliance components are connected with the support lever, the lower parts of the lifting appliance components penetrate through the pressing device, and a steel plate is arranged between the lifting appliance components and the pressing device; the lifting appliance assembly comprises a first shackle, first connecting ropes, a second connecting rope, a first steel plate clamp and a second steel plate clamp, the first shackle is arranged on the supporting lever, the two first connecting ropes are symmetrically arranged on the first shackle, and the second connecting rope penetrates through the first steel plate clamp, the pressing device and the second steel plate clamp; and the end parts of the second connecting rope are respectively connected with the two first connecting ropes through two second shackles. The safety in the hoisting process is improved, the middle position of the second connecting rope is arranged at the pressing lever fixing buckle assembly in the using process, the pressing device applies downward acting force to a steel plate through the pressing pipe, the steel plate is kept straight, and the stability in the hoisting process is ensured.

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.

The invention provides an anchor chain tensioning device and an anchor chain opposite-pulling type tension testing method, and relates to the technical field of ocean engineering.A passive anchor chain is connected through a shackle component on a tensioning main body, and a top end penetrating hole and a side end penetrating hole which are communicated are formed in the tensioning main body; the driving anchor chain penetrates through a penetrating channel formed by communicating the top end penetrating hole and the side end penetrating hole, the end of the driving anchor chain is connected with the ship crane, the ship crane drives the driving anchor chain to ascend and descend, the driving anchor chain is in an L shape, the check block is meshed with a chain ring of the driving anchor chain, the tensioning body is locked on the driving anchor chain, the tensioning body ascends and descends along with the driving anchor chain, and the ship crane drives the driving anchor chain to ascend and descend. The passive anchor chain is lifted together, the tensioning force in the horizontal direction is converted into the tensioning force in the vertical direction, the condition that the requirement for the capacity of an anchoring system of a main workboat is harsh is avoided, a floating crane with the lifting weight of kiloton level can easily conduct tensioning testing, tensioning testing of two anchor chains can be conducted at the same time, and the construction efficiency is greatly improved.

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.

The electronic padlock includes an outer casing unit, a security module, a shackle unit, and a clutch unit. The outer casing unit includes a case body including an accommodation space, a rear base wall, and a rear cover plate. The rear base wall has a rear opening communicated with the accommodation space. The rear cover plate has a securing groove. The security module is mounted to the rear base wall, and has a swing member, and a rotatable button. The swing member is disposed in the accommodation space, and has a rotation restricting portion, and a hook portion engageable with the rear cover plate. The rotatable button extends into the accommodation space to connect the swing member, and is operable to rotate the swing member so that the hook portion of the swing member engages or disengages from the securing groove of the rear cover plate.

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.

A pulley fastener for connecting with trailer shackles is provided, including a bolt. A pulley body is provided on an outside surface of the bolt, a first split shackle and a second split shackle are rotatably connected to the outside surface of the bolt and located on both sides of the pulley body, respectively. Both ends of the bolt are screwed with nuts for fixing the first split shackle and the second split shackle. By fastening the first and second split shackles, a closed structure and a semi open structure can be formed, which can facilitates the threading and fixing of ropes. The pulley body can provide higher traction efficiency and a safer operating environment by being compatible and cooperated with any shackles. And the multi angle adjustment function of the pulley body can reduce equipment damage caused by stress concentration, thereby enhancing the smoothness of the traction process.

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 relates to a crane variable-amplitude winding system cable joint mounting method which comprises the following steps: putting down a boom to a horizontal state, supporting the head of the boom by using a tool frame, penetrating a guide rope through a redirection device at a cable joint mounting position at the top of a propeller strut, connecting one end of the guide rope with a winding drum of a driving winch, and connecting the other end of the guide rope with a cable joint through a shackle, a variable-amplitude steel wire rope penetrates into a variable-amplitude pulley block at the top of a propeller strut and a variable-amplitude pulley block at the head of a boom, one end of the variable-amplitude steel wire rope is connected with a variable-amplitude drum of a variable-amplitude winch at the bottom of the propeller strut, the other end of the variable-amplitude steel wire rope is connected with a rope joint, a driving winch acts, and a guide rope is slowly wound into the drum of the driving winch and drives the rope joint to be close to an installation position. After the rope joint reaches the installation position, a chain block is installed at the installation position of the rope joint, and the chain block slowly adjusts the position of the rope joint through a steel wire rope; according to the installation method, large hoisting equipment, floating cranes and tugs do not need to be used, the construction cost is greatly reduced, operation is easy, and the cable joint installation efficiency is 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.

A safety shackle comprising a first safety hook mechanism including a pair of first safety hooks having first fixing latches which are inserted into or separated from a locking groove of a first pin end portion positioned in a first through hole of a first body end portion as first hook bodies are coupled to the first body end portion by first hinge shafts and rotated in a state in which the first safety hooks are symmetrical with each other and partially inserted into a first hook mounting hole of the first body end portion, and a first safety hook spring which is disposed between the first safety hooks and applies an elastic force to the first safety hooks in directions in which the first fixing latches are inserted into the locking groove.

The invention relates to a differential control constant center distance turning realization method for a rail sport car, which comprises an X-axis direction rail, a curve, a Y-axis direction rail, a group motion structure I and a group motion structure II, the device comprises a positioning code ruler, a steel wire rope I, a steel wire rope II, a hanging hook head I, a hanging hook head II, a transfer tool hanger shackle I, a transfer tool hanger shackle II, a transfer tool hanger, a material, an electricity taking device I, an electricity taking device II, a code reading head, a track, an electrical control box and a weighing sensor, wherein the track consists of an X-axis direction track, a curve and a Y-axis direction track; and the grouped movement structure I and the grouped movement structure II are mounted on the track, so that the speeds and the positions of the two moving vehicles can be mutually interlocked and corrected, the center distance of the two vehicles in the same group is ensured to be constant, the deviation is controlled within a set range, and safety accidents such as pulling or squeezing of the center distance of the two vehicles are effectively prevented.

The present invention discloses a hoisting device and a hoisting method for a fully revolving crane of a floating dock, which relates to the technical field of shipbuilding, and includes a lower trolley crane device and an upper trolley crane device; the lower trolley crane device includes a lower trolley lifting row, a first shackle is arranged at the bottom of each sub-hoisting point, and a plurality of intermediate shackles are used to combine two by two between each group of first shackles into a lower trolley hoisting point, and a second shackle is arranged at each lower trolley hoisting point; the upper trolley crane device includes a combined hoisting beam, lifting lugs are arranged at both ends above the combined hoisting beam, and a shoe hook is arranged in the middle at the bottom. The shoe hook has two hooks opening towards both sides, a steel wire rope or a sling is arranged on each hook, the lower end of each steel wire rope or sling is an upper trolley hoisting point, and a third shackle is arranged at the upper trolley hoisting point. The two parts are hoisted respectively by the specially made lower trolley crane device and the upper trolley crane device, so that the hoisting operation is completed on the premise of using the original lifting lugs and the shipyard's own crane.

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.