236 results about "Steel rope" patented technology

This invention discloses a safety mechanism for a steel frame bridge connection device, including a traction cable, a damping assembly, and accessory supports. The traction cable is vertically installed on the bridge body. The damping assembly consists of an elastic sleeve and a rigid sleeve. The elastic sleeve has circumferentially spaced damping cavities filled with a fluid medium on its wall. The rigid sleeve has an annular cavity connected to each damping cavity via a bypass hole. A retractable and controllable plunger is installed within the annular cavity. This invention can dynamically adjust the damping and damping force by pressurizing or depressurizing the fluid through the expansion and contraction of the plunger according to the bridge's vibration state, achieving adaptive matching of damping parameters. This solves the problem that existing passive devices cannot adaptively adjust, effectively coping with large-amplitude, wide-frequency, and high-frequency vibrations, avoiding resonance and damping failure, and significantly improving the damping effect, stability, and protection life of the bridge connection structure.

This invention relates to the field of shaking table testing technology and discloses an electromagnetic shock protection device suitable for large-scale shaking table tests. It includes multiple support columns spaced along the outer perimeter of the shaking table and a surrounding arresting cable net assembly. The support columns are equipped with pulley assemblies. The surrounding arresting cable net assembly includes steel cables and at least one set of electromagnetic arresting assemblies. The steel cables are wound around the pulley assemblies, and the ends of the steel cables are connected to the electromagnetic arresting assemblies. The electromagnetic arresting assemblies include a spool and a generator connected to the spool. The steel cables are connected to the spool, and the generator is electrically connected to a control device. The control device controls the damping force on the steel cables by adjusting the excitation current of the generator. This invention aims to solve the problems of existing mechanical or hydraulic arresting systems, which suffer from slow response and inability to adjust damping force in real time, resulting in a harsh shock protection process, high peak force, and potential secondary damage.

The utility model relates to hoist device technical field, a container hoist is with anti -fall security device, including hoist frame, the side surface fixed mounting of hoist frame has rotary machine, the output fixed mounting of rotary machine has rotating wheel, the side surface fixed mounting of hoist frame has connecting seat, the side surface of connecting seat is equipped with first pulley, the side surface fixed mounting of adjusting steel cable has mobile ball, the side surface fixed mounting of mobile ball has protective steel cable, the side surface of mobile ball is slid and is provided with track assembly, beneficial effect is: through to hoist equipment and join bottom protection track assembly, utilize the movement change of mobile ball in track assembly different position, thereby will protective steel cable in the bottom of hoist's box and carry out the function of unfolding, provide additional support and locking protection for container, ensure the firmness and stability of the connection between the spreader and the box, effectively avoid the container falling risk caused by the connection loosening of hoist frame and the top of the box.

This invention relates to the field of clothes drying rack transmission assembly technology, specifically a clothes drying rack lifting motor shift transmission assembly, including a housing. A transmission component is located at the bottom of the housing, an adjustment component is located on the inner wall of the housing, and a drive component is located at the bottom of the housing. The transmission component includes two fixed plates, which are fixedly connected to the bottom inner wall of the housing. Rotary holes are formed on the surface of the fixed plates, and a rotating shaft is rotatably connected inside the holes. Two snap-fit ​​rings are symmetrically fixedly fitted onto the surface of the rotating shaft. Through the snap-fit ​​engagement between the snap-fit ​​strip in the transmission assembly and the control gear, combined with the elastic buffering effect of the rubber block, the rotating shaft can be instantly limited during gear shifting, effectively preventing uncontrolled gear rotation caused by the steel cable pulling. This solves the transmission instability problem caused by shifting gaps in the prior art. Simultaneously, the rubber block can absorb impact loads, reduce noise during transmission, and improve operational smoothness.

The utility model relates to pipeline installation technical field, concretely is a kind of portable pipeline installation platform equipment, including mobile base, mobile base top side is with symmetry structure fixedly connected with first fixed block, first fixed block between rotationally connected with winding shaft, second guide block is provided outside supporting block, winding shaft outside is wound with steel rope, the stable retraction of steel rope is realized, reliable lifting power is provided for pipeline hoisting;Because steel rope sequentially passes through first guide block on movable rod and second guide block on supporting block, the stability in the hoisting process of pipeline is guaranteed, two place guide structure restricts that steel rope shakes;Since second motor is driven gear, transmission gear drives screw rod rotation, makes the movable rod of screw connection realize axial lifting, thereby can flexibly adjust steel rope angle, accurately control the horizontal position and attitude of pipeline, solve the problem that traditional hoisting equipment is difficult to accurately butt joint pipeline interface, greatly improve installation precision and efficiency.

The application relates to the technical field of cofferdam structures, in particular to a bridge pier construction cofferdam structure which comprises a guide base and a cutting; further comprising a guide assembly which comprises a first guide module and a second guide module, the first guide module comprises fixing seats arranged on both sides of the guide base, and a sliding groove is arranged on the fixing seat, a sliding block is movably arranged in the sliding groove, and a guide frame is fixedly arranged on the sliding block; the guide assembly can smoothly fix the guide base on a riverbed, then a water under motor is started to drive the rotating shaft to rotate, the reel tightens the steel cable, the expanding part expands to the riverbed, the stability of the cutting is improved, the first guide module is fixed on the upper end of the arc-shaped rack before this, when the rotating shaft rotates, the end of the guide wheel is in the same horizontal plane with the inner arc surface of the guide base, the guide wheel positions the outer arc surface of the steel pile, the guide and the anti-deviation are completed by cooperating with the fixed cage, and the steel pile smoothly penetrates into the bedrock layer.

A guide seat for a window regulator includes a pulley and a pulley groove for placing the pulley. The guide seat has at least two cable grooves connected to the pulley grooves and through which steel cables pass. The two cable grooves coincide with the tangents of the pulley, and an angle is formed between the two tangents. Corresponding to the number of cable grooves, a blocking member is also provided within the pulley groove to prevent the steel cable entering the corresponding groove from detaching from the pulley. The beneficial effect of this invention is that by providing at least two cable grooves, different insertion paths for the steel cable can be selected according to the installation angle requirements, avoiding the need to replace the guide seat due to changes in the cable insertion angle, thus improving structural adaptability.

The application relates to the field of crane technology and discloses a simple electric hoist bridge crane, which comprises an end beam, the outer surface of the upper end of the end beam is fixedly connected with a cross beam, the outer surface of the upper end of the cross beam is provided with a slide, the outer surface of the upper end of the cross beam is slidably connected with a support, the outer surface of the upper end of the support is fixedly connected with a hydraulic tank, the outer surfaces of the front end and the rear end of the hydraulic tank are fixedly connected with air pipes, the inside of the support is rotationally connected with a main shaft, the outer circular surface of the main shaft is slidably connected with a steel rope, and the lower end of the steel rope is fixedly connected with a hook. The simple electric hoist bridge crane has the advantages of avoiding the harm of steel rope fracture to the personal safety of surrounding workers, avoiding the chaotic winding of the steel rope in the electric hoist, and the like, and solves the problems of the harm of steel rope fracture to the personal safety of surrounding workers and the chaotic winding of the steel rope in the electric hoist.

The utility model relates to a steel cable conveyor belonging to raw material conveying field. Including carrying trolley, conveyer belt, reversing mechanism and head and tail transfer device, the lower part of carrying trolley is equipped with running wheel, and the upper part is equipped with rotary ram, and carrying trolley runs on annular steel cable and supports conveyer belt, reversing mechanism includes slewing wheel, guide plate and its support frame, and the guide plate is the convex part of smooth taper shape in front end, and presents the closed shape of upside -down symmetry, and head and tail transfer device includes head and tail cylinder, driving device and tension device. The utility model conveys the material of long distance and large capacity with lighter structure, and the rotary ram is contacted with the convex part of smooth taper shape, so that carrying trolley can keep rotary ram open state when running to reversing mechanism, so that carrying trolley can turn smoothly in complex terrain and space limited place, and the adaptability of equipment to different environment is improved.

This utility model discloses an air conditioner with a noise reduction device, comprising an outdoor unit; a bracket for fixing a main frame to a wall or base, and a secondary frame for supporting the outdoor unit; and a noise reduction mechanism including a shock absorber disposed between the secondary frame and the outdoor unit, a steel cable connecting the two secondary frames, and a counterweight suspended from the steel cable. This utility model provides an air conditioner with a noise reduction device. When the outdoor unit is operating, the vibration it generates is reduced by the shock absorber, thereby reducing the vibration of the secondary frame. When the secondary frame vibrates, the vibration is transmitted to the counterweight through the steel cable, causing the counterweight to sway, thus counteracting the vibration and further reducing it, thereby reducing resonance and lessening noise caused by vibration.

A protective cover for a stubble pruning and ridging machine includes a nearly half-circular shell. The outer surface of the shell has connecting plates for two secondary rotation output shafts and a lifting ring. A lifting rocker arm is welded to the bushing of the left-side output shaft. A large retaining steel plate with a left ear plate is welded to the left end of the shell, and a small retaining steel plate with a right ear plate is welded to the right end. A smooth rod is mounted on both the left and right ear plates. A ground roller is suspended from the smooth rod. The large steel plate forms a flange plate that can fix a multi-functional cover box, and it has a stubble pruning and ridging machine cutter shaft structure and an insertion hole for the secondary rotation output shaft. An anti-winding cover, a semi-circular hole for installing the stubble pruning and ridging machine's fixed shaft, and a bearing are welded to the small steel plate. The lifting ring and lifting rocker arm are both connected to the stubble pruning and ridging machine's operating system via steel cables, forming a self-locking structure for the stubble pruning and ridging machine. A soft retaining plate is provided under the shell. The ground roller can move along the smooth rod. This utility model is reasonably designed and greatly meets the installation and usage requirements of fourth-generation energy-saving and efficient stubble pruning and ridging machines.

The application discloses a kind of adjustable nozzle steel cable stroke correction device and stroke measurement method, correction device includes assembly car, measuring device and chuck, measuring device is fixed on assembly car by the chassis of rectangular steel structure cooperation buckle, bolt, assembly car is equipped with carousel, after force combustion chamber and adjustable nozzle unit body are assembled to carousel, can rotate with carousel together.Stroke measurement, first, the chuck of maximum diameter is loaded, and then measuring device is connected with steel cable assembly, adjusting driving rod and adjusting block in measuring device so that steel wire rope, measuring scale and steel cable of steel cable assembly are on a horizontal straight line, put weight on bearing disc, adjust scale board zero, replace different chuck to carry out steel cable stroke measurement.The application eliminates the problems of traditional measurement method, such as the instability of manual measurement base point, low measurement accuracy, improves the stability and accuracy of measurement value.

The utility model discloses a material hoisting device for building construction, including the steel frame that constructs, set up in the lifting track of one side of steel frame, the freight cage through the brake installation on lifting track, be used for driving the lifting drive structure of freight cage up and down movement lifting drive structure, set up in the pulley of steel cable for guiding the moving direction of lifting drive structure on steel frame and set up in the conveyance component for conveying goods of freight cage bottom. The utility model discloses a material hoisting device for building construction, set up lifting track in one side of steel frame, after installing freight cage on lifting track, can limit the up and down movement track of freight cage, make it can stably move up and down, ensure that the article to be transported does not sway, eliminates the potential safety hazard, the setting of brake can make emergency lockup to freight cage, avoid the situation that freight cage crashes when the steel cable breaks or equipment failure power failure, increase the safety performance of equipment.

This invention discloses a hoisting device for auxiliary installation of rubber rings in reinforced concrete drainage pipes, belonging to the field of municipal water supply and drainage pipeline construction technology. The hoisting device includes a hoisting drive device with a steel cable assembly. A steel cable connecting assembly is installed at one end of the steel cable assembly. A rotary joint is fixedly connected to the bottom of the steel cable connecting assembly. A mounting bracket opening and closing mechanism is installed at the bottom of the rotary joint. A clamping connection mechanism is slidably connected to one side of the mounting bracket opening and closing mechanism, and a guiding transmission mechanism is fixedly connected to one side of the clamping connection mechanism. A collar mechanism is slidably connected to the outer wall of the guiding transmission mechanism. This invention designs a clamping connection mechanism and a collar mechanism, enabling pre-fabrication and automatic installation and fixation of the rubber ring, achieving precise pushing and installation of the rubber ring and ensuring sealing quality.

The utility model relates to tissue embossing technical field, especially a kind of tissue embossing device, and fixing frame is provided for driving the lifting adjustment component of upper embossing roller to do lifting movement;Fixing frame is provided for driving the power component of lower embossing roller rotation;Upper embossing roller and lower embossing roller are all fixed with synchronous wheel;Two synchronous wheels are tensioned with synchronous belt;The both sides of synchronous belt are all provided with horizontal sliding seat slidingly connected on fixing frame;The both sides of horizontal sliding seat are respectively rotatably connected with roller and press wheel;The press wheel of both sides is respectively pressed in the both sides of synchronous belt;The both ends of steel cable are fixed on pull lifting adjustment component;Pull lifting adjustment component is set on the symmetry axis of two rollers;Steel cable is sleeved on the wheel body of two rollers.In using the utility model, on the basis of guaranteeing the consistent pressure of both sides of synchronous belt, the debugging difficulty of pressing device is reduced, and steel cable is convenient for overhaul, and cost is lower.

This invention relates to the field of material conveying equipment, and more particularly to a material conveying device for a production silo based on a material discharge valve. The technical solution includes a gate, the top of which is rotatably connected to the material discharge valve body. A steel cable is fixedly installed on the side of the gate, and a counterweight is fixedly installed at the end of the steel cable. A hydraulic transmission component is provided between the rotating block and the counterweight. A rotating block is rotatably connected to the bottom of the sealing block. When raw materials are flowing normally through the material discharge valve body, the gate opens due to the impact of the raw materials. When the material discharge valve body is blocked, the gate is no longer impacted by the raw materials. At this time, the counterweight slides downward under gravity. The counterweight uses the hydraulic transmission component to rotate the rotating block, thereby causing the lifting block to move up and down, moving the elliptical rod and the conical head upward. This clears the blockage at the connection between the raw material silo and the sealing block, preventing compacted raw materials from causing further blockage.

The application discloses a temperature monitoring device of an electrical equipment, which comprises a box body and an electrical equipment body in the box body. The box body is internally provided with a transmission mechanism, a limiting mechanism and a heat dissipation mechanism. The transmission mechanism and the limiting mechanism are located outside the electrical equipment body. The transmission mechanism is a group of first mounting seats fixedly connected to the inner wall of the top of the box body. The bottom of each first mounting seat is fixedly connected with a winding motor. The output shaft of each winding motor is fixedly connected with a limiting plate at the other end. The outer wall of the output shaft of each winding motor is provided with a thread. The transmission mechanism is arranged. The controller and the infrared temperature sensor are moved outside the electrical equipment body under the pulling of the flexible steel rope by the group of winding motors. The temperature of the periphery of the electrical equipment body can be monitored in all directions. Meanwhile, the infrared temperature sensor can move up and down by the first hydraulic rod. The temperature monitoring is more comprehensive. The monitoring range and the accuracy are improved.

The application discloses a precast concrete slab hoisting device and a use method thereof, and comprises a first function mechanism, the first function mechanism comprises a connecting plate and an adjusting component, a mounting seat is fixedly connected to the bottom of the connecting plate through bolts, two moving openings are formed in the top of the mounting seat, a push frame is slidingly inserted into each moving opening, a push ring is rotatably connected between the opposite inner walls on the two sides of each push frame, and two groups of mounting blocks are fixedly connected to the top of the mounting seat. In the application, when in use, the device can be stably connected with an existing hoisting device through the connecting plate, and then the use position of the moving block can be conveniently adjusted by increasing or decreasing the moving pins according to the actual precast concrete slab specifications, and then the precast concrete slab can be conveniently fixed and connected in position by cooperating with the existing steel cable equipment, and then the device can be conveniently pulled and suspended by the existing hoisting device, so that the device can effectively suspend and handle the precast concrete slab by cooperating with the existing steel cable.

This utility model relates to a forging press with a safety door, which includes a machine tool and a safety door. Two columns are provided on one side of the machine tool, and the safety door is slidably disposed between the two columns. The safety door is composed of at least two layers of door bodies arranged from top to bottom, with the inner and outer layers of the at least two layers of door bodies staggered. At least one lifting plate is provided on the bottom layer of door bodies, which is located below the other layers of door bodies. An electric hoist is provided on the machine tool, and the lower end of the steel rope of the electric hoist is connected to the bottom layer of door bodies. The safety door of this utility model is composed of at least two layers of door bodies arranged from top to bottom. All door bodies can be folded together inward and outward. After all door bodies are lowered and unfolded, they can completely close the machine tool doorway. Therefore, this utility model can make a large-stroke safety door within a limited space, which can not only meet the requirements of comprehensive protection, but also provide sufficient height from the ground after the door is opened to allow the operator to enter the machine for operation.

This utility model discloses a building electromechanical hoisting device, specifically relating to the field of building electromechanical installation technology. It includes: a base, with counterweights and a first support frame connected to the upper left and right sides of the base, respectively; a second support frame connected above the first support frame; a pulley connected to the top of the second support frame; a steel cable connected to the outer side of the pulley; four lugs connected to the other end of the steel cable; a top plate connected to the bottom of the four lugs; four connecting rods connected to the bottom of the top plate; and a base plate connected to the end of each connecting rod. By placing the electromechanical equipment on the base plate and then rotating the knobs on both sides, the clamps on both sides can be moved towards each other until the rubber pads tightly adhere to the sides of the equipment, thus completing the fixation. Simultaneously, by removing the first screw, the extension and retraction length of the side arms on both sides of the clamps can be easily adjusted to accommodate equipment of different widths. Compared to traditional hoisting devices, it has a width-adaptive adjustment effect.

The invention relates to a method for condition monitoring of ropes (2) of an elevator (1), which elevator (1) comprises an elevator car (3), and one or more cambered rope wheels (4,6) around which a row of ropes5 (2) pass, the method comprising monitoring (200) by an elevator control system (10), during driving (100) of the elevator (1), the position of each rope (2) in width direction (w) of the row within the monitoring area (A1) using a contactless monitoring equipment (50,60); and detecting (300) if position of a rope portion (P) in width direction (w) of the row fulfills10 one or more criteria indicating abnormal displacement of the rope portion (P). The method moreover comprises stopping (500A) driving (400) of the elevator when the rope portion (P) is at least partially within an inspection area (A2) or driving (500B) the elevator with crawling speed when the rope portion (P) is at least partially within and inspection area15 (A2); and inspecting (600) condition of the rope portion (P) when it is stopped at least partially within said inspection area (A2) or moves with crawling speed within the inspection area (A2). The invention also relates to an elevator (1) implementing the method.

The utility model belongs to friction band production technical field especially is a kind of core yarn equipment special for friction band, including equipment ontology.The utility model passes through the one end of cotton thread to pass through the one side of cotton thread guide roller, two rollers, first press wheel and second press wheel and is fixed on winding drum by passing through second limit piece, the one end of glass fiber core thread is passed through the first limit piece again by passing through core thread guide roller and guide rod and is fixed on winding drum by passing through the one side of a roller, rotating mechanism inside equipment ontology starts to run, power transmission is given to rotating shaft by winding drum and is rolled up, under the rotation of winding drum, cotton thread will gradually be wound on glass fiber core thread, forms core yarn structure, can automatically wind cotton thread to glass fiber, saves traditional roving frame, pulls pull block and moves first T-shaped rod by flexible steel rope and separates first spring and slot by stretching, removes winding drum and drives mounting block and mounting seat to separate, it is convenient to take down, and professional tool is not needed.

This utility model relates to the field of CNC grinding machine technology and discloses a grinding wheel changing mechanism for a CNC grinding machine, comprising: a drive box, a lifting plate disposed on one side of the drive box, and an n-shaped bearing plate movably disposed above the lifting plate; a tensioning assembly including a fixing bar, the fixing bar being fixedly installed on the bottom surface of the lifting plate at the end away from the drive box, a pair of fixing rings being symmetrically fixedly installed at both ends of the top surface of the fixing bar, a pair of winding rollers being fixedly installed at the top of the drive box, a dual-axis winding motor being disposed between the pair of winding rollers, and connecting steel ropes being attached to each of the pair of fixing rings, with the other end of the connecting steel ropes being attached to the winding rollers. In this grinding wheel changing mechanism for the CNC grinding machine, when the lifting plate rises, the dual-axis winding motor drives the pair of winding rollers to rotate forward, winding the connecting steel ropes; when the lifting plate descends, the dual-axis winding motor drives the pair of winding rollers to rotate in reverse, releasing the connecting steel ropes. The connecting steel ropes are always in a taut state, ensuring the stability of the lifting plate during movement.

The present application relates to the field of installation of aquaculture net cage, more particularly, to a kind of offshore wind power guide pipe support plus aquaculture net cage structure, including net cage body and the steel rope being connected with offshore wind power guide pipe support, lifting ring is equipped on the offshore wind power guide pipe support at sea level, the top of the net cage body is set on lifting ring by ratchet fastener;The offshore wind power guide pipe support under sea level is wound with eyelet binding belt, the bottom of the net cage body is set on the eyelet of binding belt by ratchet fastener, the offshore wind power guide pipe support plus aquaculture net cage structure disclosed in the application, lifting ring is equipped on the offshore wind power guide pipe support at sea level, since the position is at sea level, therefore welding mode can be used to install lifting ring, it is convenient for the fixation of ratchet fastener, and since welding is difficult and difficult at sea level, therefore the fixation is realized by the mode of binding belt, it is convenient for installation and disassembly, also can reasonably utilize the resources of ocean to breed fish.

The utility model discloses a kind of stack cranes with overload protection structure, it is related to stack crane technical field, including bottom sliding seat, the top of bottom sliding seat is provided with top sliding seat, the steel cable is arranged between the winch and sliding sleeve, the top of supporting plate is provided with the detection assembly that can prevent equipment overload.The stack crane with overload protection structure is provided with audible and visual alarm, inner fixed block, pre-slot, outer extension sleeve, first electric cylinder, sensor outer shell, shim and load cell, when using, the weight of goods is pressed on shim, the load cell inside sensor outer shell detects the weight of goods in real time, audible and visual alarm issues alarm when weight is out of limit, while winch slowly lowers supporting plate, outer extension sleeve is withdrawn, prevent equipment overload from damage, realize the function of protecting equipment from overload, solve the problem that device does not have the function of protecting equipment from overload.

The application discloses a municipal bridge reinforcing structure and a bridge, and relates to the technical field of municipal bridge engineering; in view of the problem that the existing reinforcing structure is rigid and deadlocked, cannot adapt to dynamic deformation of the bridge, and is prone to stress concentration and fatigue damage, the application fixes a support and a platform on the outer wall of a pier, the platform is provided with a supporting mechanism and a stretching mechanism; the supporting mechanism is used for self-adaptive sliding adjustment and vertical damping of the bottom of the bridge body by cooperation of sliding rails, sliding blocks, multiple supporting frames and spring shock absorbers; the reinforcing assembly driven by the sliding block displacement linkage gear and rack automatically provides upward jacking auxiliary support; meanwhile, the steel cable group of the stretching mechanism converts buffer displacement into reverse multi-point traction force, and constructs a bidirectional stress balance network; in addition, multiple flexible anti-collision mechanisms are arranged on the outer side of the pier; the application effectively absorbs and resolves vibration and multidirectional impact caused by vehicle dynamic load, and comprehensively improves the safe bearing performance and service life of the municipal bridge.

The utility model relates to the technical field of derrick for elevator, especially point to a kind of derrick for construction hoist dismounting, including mounting column, the outer surface of mounting column is fixedly connected with mounting plate, the surface of mounting plate is fixedly connected with motor, the output of motor is fixedly connected with pivot, the outer surface of pivot is fixedly connected with winding drum, the top of mounting column is movably connected with rotating column, the upper surface of rotating column is fixedly connected with fixed frame, the inside of fixed frame is equipped with first guide roller, the left side end of rotating column is fixedly connected with second fixed plate, the second fixed plate is equipped with second guide roller in, steel rope is provided on winding drum, telescopic link is installed between mounting column and rotating column. The utility model provides a kind of derrick for construction hoist dismounting of convenient adjustment use.