2622 results about "Steel rope" patented technology

The invention relates to the technical field of cross-linked polyethylene cable accessories, and discloses a cross-linked polyethylene insulated cable overhead installation device which comprises a wire supporting rod, a hoisting steel cable, a cross-linked polyethylene insulated cable and a driving assembly, the driving assembly comprises a steel cable clamping block and a cable clamping block, and a steel cable pulley and a cable pulley which are vertically symmetrical are arranged in the driving assembly; a pushing assembly is arranged at the top of the steel cable clamping block and comprises a supporting transverse plate, a first telescopic rod, a rectangular frame, an upper supporting rod and a lower supporting rod, and locking clamps are sleeved outside the supporting transverse plate, the first telescopic rod, the rectangular frame and the upper supporting rod. When the driving assembly is pulled, the roller encoder measures the distance and controls the distance; the pushing assembly drives step by step, the steel cable clamping blocks are fixed firstly, then the cable clamping blocks are pushed by the same distance and then fixed, the clamps are pulled in a matched mode to be tightened, the device achieves accurate control over the distance between the clamps and the looseness of the cables, the cables are prevented from being too loose and abraded or too tight and damaged, the water blocking function is protected, the line stability is improved, and the operation and maintenance cost is reduced.

The invention discloses a steel cable surface wear detection method and device based on an improved YOLOv8n-seg model, and relates to the field of steel cable surface wear detection.The method comprises the steps that a steel cable surface image is collected, the real wear area and degree are marked, and a wear image data set is constructed; improving a YOLOv8n-seg model structure, replacing a traditional convolution module in a backbone network with an adaptive kernel convolution module, inserting a convolution self-attention mechanism module in front of a fast spatial pyramid pooling module, and introducing a multi-scale convolution attention module into a neck network; training an improved model by using the wear image data set; and inputting a to-be-detected image into the trained improved model, and outputting a predicted wear area and degree. By improving the structure of the YOLOv8n-seg model, the problems of missing detection and false detection of a traditional method are solved, and high-precision and high-efficiency steel cable wear detection is realized.

The utility model discloses a crane lifting rope limiting device in the technical field of crane lifting hooks, which comprises an anti-falling mechanism, the anti-falling mechanism comprises a hook, the hook comprises a connecting end and a hook body, the tail end of the hook body is fixedly connected with the lower end of the connecting end, an assembly groove is formed in the hook in a penetrating manner, a winding disc is rotatably arranged in the assembly groove, and the winding disc is fixedly connected with the hook body. A rotating shaft is movably inserted into the winding disc, the two ends of the rotating shaft are sleeved with anti-disengaging pieces, the head end of the hook body is fixedly connected with a limiting block, and the ends, away from the rotating shaft, of the anti-disengaging pieces abut against the limiting block. The limiting mechanism comprises a torsional spring arranged on the winding disc in a sleeving manner; during use, when the torsion spring drives the winding disc and the anti-disengaging piece to deflect upwards, a steel cable is unwound, at the moment, the limiting piece loses tension, meanwhile, the limiting piece is pushed to move upwards through the first spring, at the moment, the lifting rope is conveniently limited through the limiting piece, the possibility that the lifting rope continuously shakes in the hook body is reduced, and the lifting rope is more convenient to limit.

The utility model discloses a static calibration and calibration platform for a precise six-dimensional force sensor. The static calibration and calibration platform comprises a detection platform, and a calibration clamping table, a calibration and calibration module and a plurality of counterweight modules which are arranged on the detection platform. And the counterweight modules are respectively arranged at the calibration ends of the calibration module. The calibration module comprises a force loading tool, an X-axis force calibration assembly, a Y-axis force calibration assembly and a Z-axis force calibration assembly. The force loading tool is fixed on the top of the tested six-dimensional force sensor. The force loading tool comprises a sensor chuck and a cantilever beam frame fixed on the sensor chuck. According to the utility model, the force loading tool is matched with the steel cables and the counterweight modules in multiple directions to form a multi-direction and multi-dimensional force-torque system calibration system, the design is precise, the structure is simple and easy to realize, a worker can quickly complete the installation and detection calibration of the detected six-dimensional force sensor, the detection precision is ensured, and the detection efficiency is improved. The device structure is simplified and the device cost is reduced.

The utility model discloses an easy-to-disassemble steel structure construction platform which comprises a plurality of rows of first frame bodies and second frame bodies, the first frame bodies and the second frame bodies enclose a steel pylon and are connected with each other, and the first frame bodies and the second frame bodies are respectively connected with the steel pylon through bolts. The first frame body comprises a first supporting plate in bolted connection with the steel pylon and provided with a plurality of first connecting screw holes and a first walkway located at the upper end of the first supporting plate, and the second frame body comprises a second supporting plate in bolted connection with the steel pylon and provided with a plurality of second connecting screw holes and a second walkway located at the upper end of the second supporting plate. A first guardrail and a second guardrail are arranged on the upper portion of the first walkway and the upper portion of the second walkway respectively, the first walkway is further provided with a climbing plate, the climbing plate is connected with a ladder stand arranged in the vertical direction in a penetrating mode, and the ladder stand is connected to other adjacent first frame bodies in the height direction in the vertical direction. According to the utility model, adverse effects on the steel pylon can be reduced, the construction platform is convenient to mount and dismount, the construction efficiency of the steel pylon is improved, the safety is high, and economy and practicability are realized.

The invention discloses a photovoltaic field abrupt slope operation protection device which comprises a steel cable fixing assembly, the steel cable fixing assembly comprises two mounting assemblies which can be vertically arranged on a pile foundation or the ground, and a first steel cable and a second steel cable which are distributed up and down are transversely arranged between the two mounting assemblies; the number of the advancing assemblies is two, the advancing assemblies are slidably arranged between the first steel cable and the second steel cable, each advancing assembly comprises a frame body, a first advancing wheel is rotatably arranged on each frame body, and each first advancing wheel is in sliding contact with the top of the corresponding first steel cable; the two second advancing wheels are rotatably and transversely arranged on the two sides of the second steel cable, and the second advancing wheels are in sliding contact with the second steel cable; the two limiting assemblies are arranged at the positions, corresponding to the first advancing wheel and the second advancing wheel, of the frame body correspondingly. It can be ensured that a worker can safely, stably and conveniently work on the abrupt slope, and therefore actual use is facilitated.

A weightlifting system includes a frame with lower, middle, and upper pulley stations mounted therein. A load attachment structure is provided within the system. A cable-pulley system includes a plurality of fixed pulleys mounted to the frame, first and second moveable pulleys, and a floating load pulley mounted to the load attachment structure. A plurality of cables is collectively routed through the first and second movable pulleys, the plurality of fixed pulleys, the floating load pulley, and the lower, middle, and upper pulley stations. When a first pulling force is applied to a first cable end accessible from the lower pulley station, the first movable pulley and the load pulley translate. When a second pulling force is applied to a second cable end accessible from the upper pulley station, the second movable pulley and the load pulley translate. When a third pulling force is applied to a third cable end accessible from the middle pulley station, only the load pulley translates.

The invention discloses a flexible photovoltaic support based on a large-span steel cable structure, and relates to the technical field of flexible photovoltaic supports. Comprising two main supporting pieces which are symmetrically distributed, two steel cables which are symmetrically distributed are jointly and fixedly connected between the two main supporting pieces, and the two steel cables are jointly provided with a plurality of photovoltaic panels; the mounting seat is arranged between the two main supporting pieces; the two fixing columns are symmetrically distributed and are fixedly connected to the mounting seat; the two second supporting frames are symmetrically distributed and arranged on the adjacent fixing columns respectively, sliding grooves are formed in the second supporting frames, the sliding grooves of the second supporting frames are slidably connected with fixing pieces, the fixing pieces are fixedly connected with elastic liquid bags, and the fixing pieces are slidably connected with extrusion rings. Vibration of the steel cable is buffered through deformation of the extrusion rings and deformation of the elastic liquid bag, the vibration amplitude of the steel cable is reduced, dynamic stress superposition of the steel cable at the adjacent extrusion rings is weakened, the fatigue effect is relieved, and the stability of the overall structure is improved.

The utility model relates to the technical field of bicycle frame detection, in particular to a bicycle frame collision detection device which comprises a track support, a collision support and a movable supporting plate, the lower end of the movable supporting plate is slidably connected to the upper end of the track support, and the end of a steel cable is connected to the front end of the movable supporting plate. The device has the beneficial effects that the rail support is arranged and can be used for movably placing the movable supporting plate, the vehicle-mounted bicycle frame is fixed to the movable supporting plate, a bicycle is fixedly placed on the vehicle-mounted bicycle frame, the drive motor drives the steel rope to be tightened, and the movable supporting plate is driven to move on the rail support at a constant speed; after inertial collision with the collision support is generated and the vehicle stops, the state of the frame and the bicycle can be detected, whether loosening and damage occur or not can be detected, detection operation is facilitated, the collision support can move to adjust the collision distance, the device can adapt to collision tests of different distances, different types of materials can be changed at collision points, and different collision effects can be simulated.

The invention discloses a mixed tower steel cable pre-tightening force real-time monitoring method and system, and relates to the technical field of wind power generation. The method comprises the following steps: acquiring known dynamic characteristic data of the mixed tower steel cable under multiple working conditions and multiple structures; analyzing and screening key parameters which effectively represent the dynamic response, the system structure and the working condition load of the mixed tower steel cable system in the dynamic characteristic data by utilizing global sensitivity, and constructing a dynamic characteristic database according to the key parameters; constructing a structure-working condition-response relation neural network agent model by means of a neural network or a regression prediction method based on the dynamic characteristic database; and performing reverse calculation on real-time working condition data and motion response data sensed by the sensor by using the structure-working condition-response relation neural network agent model to obtain the pre-tightening force of the mixed tower steel cable. According to the invention, the pre-tightening force of the steel cable of the mixed tower can be accurately monitored in real time, and the pre-tightening force prediction of the mixed tower under the extreme working condition and the fault working condition is realized.

The invention discloses an intelligent monitoring device and method for a water body environment. The monitoring device comprises a platform base body (5), a propeller assembly (7), a water quality detector (1), a camera (4), a detection box (9), a main winch (32) and a main controller (31). The detection box is assembled and connected with a hoisting steel rope (321) of the main winch, and the main winch can lower and hoist the detection box; the propeller assembly is used for driving the monitoring device to autonomously move on the water surface. According to the monitoring device and method, automatic monitoring can be flexibly and efficiently carried out on the water body of the water area, aiming at a method for monitoring the floating objects on the water surface through machine vision, a two-dimensional wavelet convolution (WTConv2d) technology is used, multiple attention mechanisms are added, so that better feature representation is obtained, 5% of parameter quantity and calculation quantity of the model are reduced, and the accuracy of the model is improved. The calculation complexity of a water surface target detection task is reduced; and the model understanding capability is improved.

The invention provides a hoisting device for construction engineering, and belongs to the technical field of hoisting equipment, the hoisting device comprises a frame body, a hoisting mechanism and a clamping mechanism, the clamping mechanism comprises a hanging bracket and a clamping assembly, the hanging bracket is connected with the hoisting mechanism, the clamping assembly is arranged on the hanging bracket, and the clamping assembly comprises a first motor, a bidirectional screw rod, a synchronous pulley mechanism and a moving block; the first motor is fixedly installed on the hanging bracket, the two-way lead screws are symmetrically arranged on the two sides of the first motor and connected to the output end of the first motor through synchronous belt wheel mechanisms, the moving blocks are provided with threaded holes and sliding grooves, the two ends, in different rotating directions, of the two-way lead screws are connected with the moving blocks in a rotating mode through the threaded holes respectively, and the moving blocks are arranged on the hanging bracket in a sliding mode. When the hoisting device is used, inclination and movement of a heavy object in the hoisting process are reduced, the efficiency and safety of the whole process are improved, through the four steel ropes in the winch system, the heavy object can be more stable in the moving process, stress of each steel rope is reduced, and the service life of the steel ropes is prolonged.

The utility model discloses a cucumber planting climbing frame, and relates to the technical field of crop climbing devices. The climbing device structurally comprises a supporting stand column, a horizontal supporting beam, a reel, a climbing rope, a vine cleaner and a driving motor. The horizontal supporting beam is installed on the two supporting stand columns. The reel is installed on the two supporting stand columns through mounted bearings. A row of climbing ropes are installed on the reel in the length direction of the reel in a penetrating mode. The vine cleaner is mounted on the horizontal supporting beam; the driving motor is installed on the supporting stand column and used for driving the reel. The requirement for repeated use is considered through the structural design of the climbing frame, and the driving motor can control the reel to reel all the climbing ropes, so that a site can be quickly cleaned after harvesting is finished, and preparation is made for planting in the next season; due to the rapid installation design of the vine cleaner and the cleaning device for the tiny attachments on the surface of the steel wire rope, the installation and maintenance of the whole climbing frame become simple and rapid.

The invention provides a temporarily used land area measurer, and relates to the field of measurers. The temporarily used land area measurer comprises a storage box, a rope arrangement device is installed on the storage box, the rope arrangement device comprises a rope arrangement mechanism, multiple layers of single-row wound steel wire ropes are installed on the outer surface of a winding drum of the rope arrangement device, and a rope guide mechanism used for guiding the steel wire ropes to move is installed at the moving end of the rope arrangement mechanism; according to the temporarily-used land area measurer, the steel wire rope wound in multiple layers and single rows is adopted, the measurement distance is longer, the influence of wind power is smaller, the measurement result is more accurate, one end of the hemisphere makes contact with the tail end of the outermost layer of the steel wire rope, the hemisphere can make contact with the edge of one end of the steel wire rope of the next layer, and the measurement accuracy is improved. When the rope arrangement work is switched to the next layer, the scale, pointing to the dial, of the pointer is changed, and therefore the size can be measured through calculation of the counter according to the number of winding layers of the steel wire rope.

The invention discloses an aquaculture net cage of an offshore wind power foundation, a working method of the aquaculture net cage and an offshore wind power jacket, and belongs to the technical field of offshore wind power jacket foundations.The aquaculture net cage comprises a netting forming an aquaculture cavity, the top of the netting is open and connected with a working platform, and the bottom of the netting is connected with a rigid frame; the working platform is connected with the rigid frame through a plurality of frame lifting steel ropes, the netting is provided with a plurality of tensioning assemblies, each tensioning assembly comprises a netting tensioning rope and a pulley, after the netting tensioning rope movably penetrates through the pulley, one end of the netting tensioning rope is connected to the rigid frame, the other end of the netting tensioning rope is connected to the working platform, and the netting tensioning rope is provided with a dismounting part. Spatial reuse with an offshore wind power jacket can be realized, the culture net is convenient to fold and unfold, the structure is relatively stable after installation and adapts to different offshore weathers, and the maintenance cost is reduced through the structural design of flexible lifting and flexible disassembly. The offshore wind power jacket auxiliary facility with environmental adaptability and maintenance convenience is formed.

The utility model belongs to the technical field of building space structures and cable truss structures, and particularly relates to an inhaul cable space crossing device which comprises a cable penetrating connector, the two ends of the cable penetrating connector are detachably connected with connecting parts used for being fixedly connected with a steel cable respectively, and a hollow round long hole used for allowing another steel cable to penetrate through is formed in the middle of the cable penetrating connector. And an anti-friction part is wrapped outside the hollow round long hole. By means of the device, the steel cables can be crossed on the same plane, friction loss between the steel cables is avoided, radial component force cannot be generated, and the device is simple in structure and has the advantages of being convenient to install and low in cost compared with connection through a connecting plate.

The invention discloses an anti-unmanned aerial vehicle aircraft based on rotary cutting, and belongs to the technical field of unmanned aerial vehicle countering. The aircraft comprises a seeker cabin, a steel rope cabin, an instrument cabin, a power cabin, a steering engine cabin and a parachute pack cabin. An infrared seeker is arranged in the seeker cabin; the steel rope cabin can independently rotate relative to the front cabin section and the rear cabin section under driving of the motor and release the flexible steel rope wound in the steel rope cabin, the motor drives a shell of the steel rope cabin to rotate at a high speed and drives the flexible steel rope to rotate at a high speed, and therefore rotary cutting of the target unmanned aerial vehicle is achieved. A main power supply, a control computer, a data chain and an inertial navigation device are arranged in the instrument cabin; the power cabin provides patrol flight power for the aircraft; a steering engine for controlling the rudder wings to rotate is arranged in the cabin, and a pressurizing device for pressurizing the parachute pack cabin is arranged in the parachute pack cabin; the target unmanned aerial vehicle is softly killed, the application range is wide, and the problem that the cost-effectiveness ratio of an existing anti-unmanned aerial vehicle aircraft is relatively low can be effectively solved.

The utility model relates to the technical field of zeolite rotating wheel assembling, in particular to a zeolite rotating wheel assembling structure which comprises an assembling frame, a supporting frame is installed in the assembling frame, one side of the supporting frame is connected with a rotating frame, one end of the rotating frame is provided with a limiting block, one side of the limiting block is connected with a rotating wheel frame, and a zeolite rotating wheel block is installed in the rotating wheel frame. A positioning rear cover is arranged on the outer side of the zeolite rotating wheel block, a protective steel cable is installed on the outer side of the positioning rear cover, and a positioning screw rod is further arranged on the assembling frame. According to the scheme, the possibility that operation is inconvenient during installation due to the fact that the overall size of the zeolite rotating wheel is too large is reduced, the possibility that the zeolite rotating wheel is disconnected due to incomplete assembly in the working process is reduced, the modular design of the device is improved, each small block can be independently replaced or maintained, and due to the design, installation and maintenance are more convenient and faster; and the safety of the device is improved, the stability of the zeolite rotating wheel in the using process can be ensured, and accidents are avoided.

According to the compressed air energy storage large-tank type ultra-large-volume gas storage sealing layer defect detection device and the construction method thereof, the device is applied to a secondary lining layer of a gas storage, and the apparent state of the ultra-large-volume gas storage sealing layer is captured; the device comprises a circular rock anchor beam, a main cross beam, an uplink lifting platform, a telescopic steel bracket, an upper pan-tilt camera, a downlink lifting platform, a lifting steel cable and a lower pan-tilt camera, the method comprises the following steps: S1, installing and debugging the detection device; s2, appearance shooting of the sealing layer; s3, influence data learning and analysis; s4, determining the defect position of the sealing layer; according to the method, simple mechanical structure design and optical camera shooting equipment are combined, the apparent condition of the sealing layer of the gas storage can be quickly and accurately captured, the obvious advantages of being easy to operate, safe, efficient, economical and practical are shown, and the method is an excellent scheme for solving the problem of defect detection of the sealing layer of the large-tank type ultra-large-volume gas storage.

The invention relates to the technical field of plate shearing, and provides an automobile stamping part plate shearing machine which comprises a frame mechanism, an adjusting mechanism and a shearing mechanism. According to the plate cutting device, after a plate needing to be cut is placed on the base, the plate is inserted between a pressing wheel and the base, the pressing wheel moves upwards, accordingly, a rotating arm rotates, a rotating shaft rotates and drives a cam set to rotate, and at the moment, the cam set can rotate in the direction of a sliding frame; according to the plate shearing device, a cam in contact with a steel cable can push the steel cable of the contact part outwards, so that the top end of the steel cable is pulled downwards, a first sliding block is driven to move downwards, and a slope pushing block can push a sliding frame to the direction of a rear plate after making contact with a shearing mechanism. By means of the technical scheme, the technical problem that in the prior art, a blade gap adjusting structure is inconvenient to maintain is solved.

The invention belongs to the field of tunnel supporting, and particularly relates to a self-adaptive large-deformation 3D printing tunnel supporting structure and a dynamic adjusting method. In order to solve the problem that the damage risk of the supporting structure is increased due to large deformation in existing tunnel excavation, the supporting structure comprises a plurality of in-situ printed concrete units, grid nodes, a steel cable, a jack and a control system, and the tension of the steel cable can be adjusted through the jack according to data collected by a stress-strain sensor; the concrete arch frame deforms along with the deformation of the tunnel; according to the method, the tension of the steel cable is adjusted according to the real-time monitoring condition of the stress-strain sensor, so that the concrete arch frame is changed, self-adaptive adjustment of the concrete arch frame is achieved, stress balance of the concrete arch frame is achieved, the possibility that the concrete arch frame is damaged is reduced, and the structural integrity of the concrete arch frame is guaranteed.

The invention relates to the technical field of hoisting equipment, and discloses material hoisting equipment for constructional engineering, the material hoisting equipment comprises two fixing frames, an outer support, a winch and a cage, the two fixing frames are symmetrically mounted on a building platform, the outer support is hinged to the fixing frames, and a first steel rope on the winch winds around the outer support to hoist the cage; after the winch lifts the lifting cage to the platform where the fixing frame is located through the first steel rope, the first steel rope pulls the outer support to rotate, so that the lifting cage is transferred to the platform, and through structural innovation and safety design, the operation problem of traditional lifting equipment in a space limited scene is effectively solved; the lifting cage is more suitable for material lifting operation after a main body structure of a low-rise building is completed, the lifting cage is vertically lifted to the height of the platform firstly through winding of the first steel rope, then the outer support is pulled to rotate, the lifting cage is stably transferred to the platform, and the construction efficiency and safety are improved.

The utility model belongs to the technical field of two-way pipes, in particular to a hot forging two-way pipe fitting, which comprises a two-way pipe main body, the bottom of the two-way pipe main body is communicated and fixed with a lower through pipe, and two ends of the two-way pipe main body and the bottom end of the lower through pipe are fixedly connected with first sealing rings. The movable ring is moved, the movable ring drives the connecting block to move through the flexible steel rope, the connecting block drives the clamping pin to slide on the fixing rod and compress the first spring, the mounting block on the second sealing ring is inserted into the cavity, and when one side of the first sealing ring makes contact with one side of the second sealing ring, force applied to the movable ring is released at the moment; when the pipeline is connected with the two-way pipe fitting, the first spring in a compressed state resets, the first spring drives the corresponding clamping pin to be clamped with the clamping groove, and therefore the pipeline and the two-way pipe fitting are connected, the moving ring is moved during disassembly and assembly, operation is simple and convenient in the disassembly and assembly process, and meanwhile through the arrangement of the first sealing ring and the second sealing ring, the sealing effect is good. And the stability and the sealing performance after connection are improved.

A pull-out table with a single slide rail including a table frame, first and second table boards symmetrically disposed on the table frame, an extended table board disposed between the first and second table boards, and a sliding rail assembly, is provided. The sliding rail assembly including rope winding wheels is disposed on an inner frame on one side of the table frame along a length of the table frame. The rope winding wheel on one end of the inner frame is cooperatively linked to the rope winding wheel on the other end of the inner frame through a synchronously wound steel rope. The first and second table boards are respectively connected to an upper part and a lower part of the steel rope through respective slider seats. When one of the table boards is pulled, the other table board is driven to move in an opposite direction.

The utility model relates to the technical field of goods lift falling prevention, and discloses a high-strength anti-falling safety device suitable for goods lifts.The high-strength anti-falling safety device suitable for goods lifts.The high-strength anti-falling safety device comprises an elevator shaft, a transverse plate is fixedly connected to the top of the elevator shaft, a traction assembly is arranged on the upper portion of the transverse plate, a lift car is arranged in the middle of the elevator shaft, and an anti-falling assembly is arranged at the top in the lift car; protection assemblies are arranged on the two sides of the interior of the lift car, and an elevator door is installed outside the lift car. The anti-falling assembly comprises a plate spring, the plate spring is fixedly connected to the inner top of the lift car, a U-shaped ring is fixedly connected to the middle of the plate spring, and fixing frames are fixedly connected to the two sides of the inner top of the lift car. According to the elevator traction assembly, when the steel rope of the elevator traction assembly is broken, the bottoms of the two rotating blocks are clamped in the sawtooth grooves formed in the exteriors of the two limiting blocks through the cooperation of the plate springs and the rotating blocks, the steel rope is prevented from falling rapidly, and safety is guaranteed.

The invention discloses 3mm-level micro rope-driven needle forceps for minimally invasive surgery, and belongs to the technical field of medical instruments, the needle forceps are composed of an instrument tube, an instrument base, an instrument wrist part, a forceps head and a superfine rope, and precise clamping and flexible rotation are cooperatively realized; the instrument tube is a hollow titanium alloy long rod and allows the superfine rope to penetrate through. The instrument base comprises a base connecting part and a forked cavity part, and the forked cavity part is provided with a superfine rope hole, an arc-shaped guide surface and an arc-shaped lug plate and is connected with the wrist part; the instrument wrist part is provided with a lug plate structure, a main body structure and a cross structure, the lug plate structure is provided with an annular groove and a shaft hole, the main body structure is provided with a superfine rope through hole, an additional material protrusion and a limiting swing angle, and the cross structure is provided with a protruding block, a limiting end and a limiting tong head; the clamp heads are two symmetrical clamp bodies, and clamp teeth are meshed in a crossed mode to improve stability. The superfine ropes are three sets of medical stainless steel ropes or tungsten wire ropes and drive the forceps head to be opened and closed and the wrist to rotate. The needle holding forceps are optimized in structure, accurate in operation, high in space adaptability and capable of meeting fine operation requirements of minimally invasive surgery.

The invention relates to the technical field of container hoisting, and discloses port container hoisting equipment which comprises a crane, a protection frame and a traction module. A lifting appliance is lifted on the crane through a steel rope; a loading frame is installed on the periphery of the lifting appliance, rod type inserting pieces are connected to the periphery of the loading frame in a sliding and penetrating mode, a protection frame is installed at the bottom ends of the four rod type inserting pieces, elastic buffering modules are installed on the periphery of the loading frame and are arranged on the four rod type inserting pieces in a sleeving mode, and V-shaped protection pieces are hinged to the periphery between the loading frame and the protection frame. And an included angle is formed on the V-shaped protection piece. The protection frame is driven to move downwards through a crane, the V-shaped protection piece is switched from a folded state to an unfolded state, protection is formed around the container, collision is effectively avoided, operation safety is guaranteed, when collision occurs, the V-shaped protection piece is stressed and deformed, the protection frame is pushed to move downwards, the elastic buffering module is extruded, and impact force is absorbed, so that the safety of the container is improved. The container is prevented from being damaged.

The utility model discloses an angle-adjustable hoisting device for an assembly type laminated slab, which relates to the technical field of constructional engineering and comprises a hoisting seat, an angle adjusting component is arranged in the hoisting seat, and a hoisting component is arranged below the angle adjusting component. According to the angle-adjustable hoisting device for the assembly type laminated slab, the double-shaft motor is started, the two output ends of the double-shaft motor drive the worm to rotate, due to the fact that the worm is connected with the worm gear in a meshed mode, the two rotating shafts rotate in the same direction, and when the rotating shafts rotate, the winding drum rotates along with the rotating shafts, so that a steel cable wound in the winding drum is wound and unwound; when the winding and unwinding lengths of the two winding drums to the steel cable are inconsistent, the inclination angle of the rectangular frame can be changed, then angle adjustment of the laminated slab suspended through the steel cable and the lifting hook below is achieved, the problem that the inclination angle of the laminated slab cannot be adjusted is effectively solved, the construction difficulty and the labor intensity are reduced, and the accuracy of angle adjustment is improved.

The invention relates to the technical field of derricks, and particularly discloses a steel rope type derrick rotation supporting mechanism with an overturn-preventing function, which comprises a safety ring, the top of the safety ring is fixedly connected with a rotation upper seat, so that when the rotation upper seat deflects, the safety ring abuts against the bottom of a rotation lower seat, and an overturn-preventing mechanism is arranged at the bottom of the safety ring. Deflection force acts on the fixed derrick section at the bottom of the lower rotary seat through the anti-overturning mechanism, so that the number of supported points of the rotary support, the upper rotary seat and the like after deflection is increased, a safety ring, the upper rotary seat and the like are supported through multiple positions, and the anti-overturning capacity of the rotary derrick section, a suspension arm and the like is improved. Besides, most of other structures, except for the mounting sleeve, of the anti-overturning mechanism are integrated on the anti-overturning rod, the anti-overturning mechanism can be conveniently and integrally disassembled and assembled, a worker can conveniently maintain, replace and the like the anti-overturning mechanism at high altitude, and anti-overturning use is not affected.

The AGV carrying robot material fixing mechanism comprises an AGV trolley, a bottom plate capable of moving up and down is arranged on the AGV trolley, a buffering mechanism is arranged at the top of the bottom plate, a material frame is arranged at the top of the buffering mechanism, the buffering mechanism comprises vertical plates arranged at the four corners of the top of the bottom plate, and a first sliding groove is formed in the outer wall of each vertical plate; first sliding blocks are arranged in the first sliding grooves in a damping sliding mode, and first springs fixed to the inner sides of the first sliding grooves are arranged on the two sides of the first sliding blocks correspondingly. Electric push rods are arranged at the tops of the first sliding blocks, output shafts of the electric push rods are provided with steel cables, the other ends of all the steel cables penetrate through the tops of the vertical plates to be connected with balance blocks, top plates are fixed to the tops of the balance blocks, and pulleys matched with the steel cables are arranged at the tops of the vertical plates; tilt angle sensors for detecting the tilt angle are arranged at four corners of the bottom of the balance block; the mechanism can solve the problems that in the prior art, when an AGV transports materials, stability is poor, adjustment is not flexible, and fixing and dismounting efficiency is low.