36results about How to "Not easy to decouple" patented technology

The invention relates to an elevator speed governor safety gear linkage testing platform, which comprises a bracket, a testing frame, a speed governor, a safety gear, a pulling frame, a lifting mechanism and a lifting hook mechanism, wherein the bracket is provided with two vertical guide rails; the testing frame is used for simulating movements of an elevator car, and the testing frame is provided with first guide shoes; the speed governor is used for detecting whether the testing frame is overspeed or not; the safety gear is in linkage with the speed governor; the pulling frame is provided with second guide shoes so as to enable the pulling frame to rise and fall along the guide rails, and the pulling frame is located above the testing frame; the lifting mechanism is used for driving the pulling frame to rise; and the lifting hook mechanism is arranged between the pulling frame and the testing frame, the pulling frame and the testing frame are hooked together through the lifting hook mechanism and rise together under driving of the lifting mechanism, the lifting hook mechanism unhooks automatically when the pulling frame and the testing frame rise to a certain height so as to enable the pulling frame to be separated from the testing frame, and the testing frame is released and falls freely along the direction of the guide rails. The elevator speed governor safety gear linkage testing platform is simple in structure, easy to implement, small in occupied space and more suitable for being used in teaching and training.

The invention relates to the technical field of power installation equipment, and provides a corner line laying pulley. The corner line laying pulley comprises a support, a pulley fixed at one side of the support, and a fixation apparatus arranged at the other side of the support; the pulley comprises guiding pulleys and a supporting pulley which are arranged to be vertical to each other, and the two guiding pulleys are respectively arranged at the two sides of the supporting pulley; and the fixation apparatus comprises two fixation side plates hinged to each other. The corner line laying pulley is simple in structure and convenient to use, can fix the pulley at a corner of a building, enhances the contact area between the pulley and the building, protects the building from being damaged, effectively prevents a cable from unlocking and is higher in adaptability due to an adjustable included angle between the two fixation side plates.

The invention discloses an AGV traction skip car hook device which comprises a fixing seat connected to a skip car, a guide retraction stop device connected with a traction pin on an AGV and clampingboards. The clamping boards are connected to the fixing seat, and the guide retraction stop device is connected to the clamping boards. Strip-shaped grooves capable of adjusting the height of the clamping boards are formed in the two sides of the fixing seat, and the clamping boards penetrate through the strip-shaped grooves through fastening pieces I to be installed on the two sides of the fixingseat. When the height of the AGV is not suitable for the height of the skip car, the height of the clamping boards can be adjusted up and down along the strip-shaped grooves so that the height of a hook can be adjusted, and the device can be suitable for various operation conditions. A stop board I and a stop board II which are distributed up and down are arranged in the first embodiment, longitudinal motion of the traction pin can be restrained, and an unhooking phenomenon can be effectively prevented. In the second embodiment, the stop board I and the stop board II in the first embodiment are replaced with a guide retraction stop block III and a guide retraction stop block IV, the height of the hook can be adjusted, the structure is simple, the unhooking phenomenon is unlikely to happen, two-way hooking of the AGV can be achieved, and adaptability is higher.

The invention discloses a ventilatorduct, one end of each section of the ventilatorduct is provided with a steel ring, and the other end thereof is provided with a rope, the end provided with the rope of the next section of the ventilatorduct is sheathed at the end provided with the steel ring of the previous section of the ventilatorduct with an overlapped part; the overlapped part is tied with a tightening strap, the tightening strap is pressed on the steel ring, two ropes of the tightening strap are respectively positioned at two sides of the steel ring; after the two ropes are strained and locked, two sections of the ventilatorducts are butt-jointed together tightly by the tightening strap, the joint is tight and not easy to leak air, and firm and reliable. The ventilatorduct of the invention is not provided with a double-reverse edge structure, is simple, fast, and labor-saving when replacing the wind cone, the replacement can be completed quickly without stopping the air blower or affecting the wind supply of the tunneling working surface. The air leak caused by the distortion of the extruded steel ring of the ventilatorduct can be handled simply without much effort due to no double-reverse edge structure. Each section of the ventilatorduct of the invention is only provided with one steel ring, thus reducing the manufacturing cost.

The invention discloses a scalding pool for pig slaughtering. The scalding pool comprises a conveying rail, hanging chains, upper pulleys, a scalding pool body, a top cover, a hollowed groove, an annular conveying rail, limiting racks, lower pulleys, a slope, a drain outlet, a motor and a speed reducer. A plurality of hanging chains are arranged at the bottom of the conveying rail, the upper pulleys which can slide on the conveying rail are arranged at the top ends of the hanging chains, the scalding pool body is arranged below the conveying rail, the hollowed groove matched with the operation track of the conveying rail is formed in the top cover of the scalding pool, the slope is arranged on one side of the scalding pool body, the drain outlet and the annular conveying rail are arranged at the bottom of the scalding pool body, a plurality of limiting racks are arranged on the annular conveying rail, arc clamping-opening-shaped frames are arranged on the upper portions of the limiting racks, the lower pulleys are arranged at the bottoms of the limiting racks, and an external drive system composed of the motor and the speed reducer is used for controlling the operation speed of the upper pulleys and the operation speed of the lower pulleys, so that the operation speed of the upper pulleys and the operation speed of the lower pulleys are matched, and pigs are right clamped in appropriate limiting racks when the pigs fall down. Steam is used for increasing heat energy in the scalding pool, the pigs in the scalding pool can not be easily separated from hooks, and the operation line of the pigs in the scalding pool is short.

The invention relates to a board pulling mechanism of a board discharging machine for light wallboards. The board pulling mechanism is opposite to a die table, a lower die plate extends out of the board discharging machine by one section, and a hanging board is vertically and fixedly connected to the lower die plate; the board pulling mechanism comprises a sliding seat, a plurality of support plates, a rotating shaft, a plurality of hooks and a pulling plate, the sliding seat is slidably mounted on a first turning plate table, all the support plates are fixedly connected to the sliding seat side by side, every two support plates are in one group and hinged to a hook, the pulling plate is fixedly connected with hook portions of all the hooks and opposite to the hanging plate, the rotating shaft is rotationally installed on the sliding seat and sequentially penetrates through all the support plates, fixing blocks are fixedly connected between one or more groups of two support plates, round holes are formed in the middles of the fixing blocks, sliding rods are arranged in the round holes and are in sliding contact with the fixing blocks, one ends of the sliding rods are fixedly connected with ejector blocks, and the other ends of the sliding blocks are connected with the rotating shaft through connecting rods.

The invention provides a puffed hook bait and a preparation method thereof. The bait is prepared from, by mass, 0.05%-0.1% of DMPT, 0.2%-0.5% of glycine betaine, 5%-10% of corn, 5%-10% of fish meal, 15%-20% of rice bran, 5%-8% of shrimp meal, 30%-40% of flour, 15%-30% of rice, 2%-3% of vital gluten, 1%-2% of fish oil, 0.5%-1% of lysine and 0.2%-0.5% of methionine. The materials are subjected to puffing granulation and fully aged with a Maillard reaction conducted, so that the puffed hook bait has a special aroma and a good fish luring effect; sufficient flour and vital gluten are added into puffed granules, so that the puffed granules are good in stability after absorbing water and are not prone to unhooking after being hooked; the puffed granules are convenient to use and can be used for angling after water is directly added for soaking.

The invention relates to a special lifting appliance for an engine cylinder. The special lifting appliance comprises a box body, a main shaft, a main shaft sleeve, a reversing shaft with the lower endbeing provided with an inverted T-shaped armature, a guide plate, a positioning pin, a grab fixing shaft, a guide shaft, two pairs of connecting rods I, two pairs of connecting rods II, two pairs ofgrabs, a rising lug, a movable tongue and a positioning pin. The reversing shaft comprises a reversing shaft main body and a reversing shaft sleeve, the reversing shaft sleeve is provided with an upper circle and a lower circle of oblique teeth which alternatively correspond to each other, the upper circle and the lower circle of oblique teeth are respectively provided with four oblique teeth, andthe upper two adjacent oblique teeth or the lower two adjacent oblique teeth are separated from 90 degrees. The reversing shaft is installed inside the main shaft and can move up and down inside themain shaft, the positioning pin penetrates through the main shaft, and a head part of the positioning pin is inserted between the upper and lower oblique teeth of the reversing shaft sleeve. The two pairs of connecting rods II, the two pairs of connecting rods I and the two pairs of grabs form a multi-connecting-rod mechanism which is fixed on two sides of the main shaft by virtue of the guide shaft. A T-shaped through hole is arranged in the grab fixing shaft, and the movable tongue is arranged in the T-shaped through hole. The upper end of the grab fixing shaft is also provided with the rising lug, and a groove matched with the inverted T-shaped armature is arranged in the grab fixing shaft.

The invention provides a sea mooring system salvaging device which comprises: a salvaging rope with one end provided with a sinker and the other end connected to a salvaging boat; a plurality of salvaging hooks which are hung on the salvaging rope and are located between the sinker and the salvaging boat, wherein the salvaging hooks comprise a main rod, array barbs disposed on an outer wall of the main rod, and 5-15 layers of array barbs are provided, 4-8 barbs in each layer; annular lifting lugs disposed at two ends of the main rod. According to the invention, salvaging hooks with array barbs are used, and have more barbs when compared with salvaging hooks with 3-5 pawls used in the prior art; therefore the chance for barbs to contact a sea mooring system is increased, and the salvaging efficiency is improved; experiments demonstrates that when 5-50 salvaging hooks provided by the invention are used for salvaging, the salvaging efficiency is above 90%, and the salvaging cost is reduced. The invention also provides a salvaging method of sea mooring systems.

The invention relates to the technical field of civil building construction, and particularly discloses a civil building construction material conveying system which comprises a hoisting assembly and a transferring assembly. The lifting assembly comprises a lifting hook and a sling, lifting blocks which are oppositely arranged are arranged below the lifting hook, lifting pulleys are arranged at the upper ends of the two lifting blocks, and the sling is connected with the lifting hook after bypassing the two lifting pulleys; a conveying platform is arranged at the upper end of the rack, a conveying assembly for driving the conveying platform to move along the upper end of the rack is arranged on the rack, and a driving module for driving a lifting hook to ascend or descend is arranged on the conveying platform. The hoisting gravity center of the prefabricated structure can be quickly found in the hoisting and conveying process, unhooking is not prone to occurring in the hoisting operation, building materials can be hoisted and conveyed to the corresponding construction position according to the actual conveying direction requirement, the use flexibility is good, loosening and falling in the conveying process are avoided, and the conveying stability is improved.

The invention provides a two-body fish hook. The fish hook is characterized in that the lower portion of a line-tying body is provided with two hook bodies through a three-way body, and the two hook bodies are arranged in parallel at an angle of 60-90 degrees. The fish hook has the advantages that a caught fish does not escape easily from the hook, bait materials are hung conveniently and quickly,and the hung bait does not fall off easily.

The invention relates to a boat fishing method for squids. The method particularly comprises the following steps of fishing position selection, bait preparation, fishing rod selection and fishing. In the fishing process, an artificial bait hook is put on a string hook to be sunk into the sea, a fishing line is tightened, a fishing rod is inserted into a positioning base of a fishing vessel in a positioning mode, a small vibration motor is arranged on the positioning base, electricity is supplied to the small vibration motor through a corresponding storage battery, and the fishing rod is shaken effectively and continuously by starting the small vibration motor; at the same time, the line is taken up at a uniform speed through a reel which is an electric reel, when the line is taken up, if tension displayed on a digital indicator of the electric reel changes suddenly, it is indicated that a squid is hooked, at the moment, the take-up speed needs to be adjusted and increased, and the squid is pulled up without a break. Accordingly, fishery harvesting is stable, the manual labor intensity is small, and the method is suitable for being applied to ocean fishing.

The invention provides a day and night seismic wave indicator. The day and night seismic wave indicator mainly comprises a floating ball body and a floating rod, a penetrating through hole is formed in the middle of the floating ball body from top to bottom, the floating rod penetrates through the through hole, so that the floating ball body can move up and down relative to the floating rod, a counter-force assembly is arranged between the top or the bottom of the floating ball body and the floating rod, and the counter-force assembly is a counter-force spring, or a magnetic pole counterforce space formed by two groups of magnets with the same poles opposite to each other; and the floating rod is provided with a light source, the floating ball body is lightproof, and the floating rod is an electronic luminous fiber rod. Through the relative movement of the floating ball body and the floating rod and in combination with the elastic effect of the counter-force assembly, water ripples can be generated when the floating rod is stressed and pulled down, the effect of shading the floating tail is achieved, so that the seismic wave indicator has a striking action effect in the daytime and at night, a fisherman can recognize the floating ball conveniently, and the fish hooking rate is increased.

The invention discloses a quick loading and unloading umbrella-shaped hook for ton bags. The hook comprises a frame and a beam. According to the technical key points, the frame is of a V-shaped structure, the upper end of the frame is provided with a lifting ring, the tail ends of two supporting rods at the lower end of the frame are upwardly bent to be in a hook shape, the beam is fixedly weldedto the lower ends of the two supporting rods of the frame, the two ends of the beam are upwardly bent to be in a hook shape matched with the radian of the tail ends of the two supporting rods at the lower end of the frame, and the middle of the beam and the lower end of the lifting ring on the frame are fixedly connected to the two ends of a reinforcing stand column correspondingly. Use is safe and reliable, the overall structure is stable and firm, ton bags are placed on the bent hooks at the two ends of the frame when lifted up and are not likely to fall off from the hooks in the using process, and the unhooking phenomenon caused during direct hook lifting is avoided. Use is convenient and fast. Two bags are loaded and unloaded at a time, the production cost is reduced, loss and waste are reduced, two bags are in a vertical state when lifted up and are stable when lifted up and placed, placement is firm, and the ton bags are not likely to tilt and topple when placed.

The invention discloses a fishing tackle making caught fish unlikely to escape and used for automatic fishing and relates to the technical field of fishing tackles. The fishing tackle comprises a fishing device and a tackle support. The fishing device comprises a fixing column. Hanging lugs are arranged on one end face of the fixing column. A fishing line is fixed to the other end face of the fixing column. A fishing hook is fixed to the other end of the fishing line. The tackle support comprises a supporting frame. Fixing rods are fixed to two ends of the supporting frame. Hooks are arrangedon the peripheral side face of the supporting frame in an array way. The fishing line is wound with a buoyancy part in a penetrating way, and the hanging lugs are movably connected with the hooks. Theproblem is solved through the multiple hooks on the supporting frame that several fish cannot be fished simultaneously. The fishing tackle has the advantages of adjusting the height of the supportingframe according to water depth through sliding connection of the fixing rods and the columns and the effects of the penetrating holes and bolts, has the advantages of making caught fish unlikely to escape through the effect of the fishing device and the buoyancy part and has the advantages of being simple in part structure and low in manufacturing cost.

The invention discloses a grounding wire locking and anti-falling device for a power transmission line of a power tower, and relates to the technical field of power transmission of the power tower, the grounding wire locking and anti-falling device for the power transmission line of the power tower comprises an insulating rod, and the top of the insulating rod is fixedly provided with an arc-shaped hook part. By arranging a clamping barb, a hydraulic cavity and a first piston block, an operator screws a worm, so that the worm drives a worm gear to rotate, meanwhile, the worm gear drives a first threaded rod to rotate, a push plate pushes a piston rod to move upwards, and the piston rod pushes the first piston block to move upwards; a first piston block pushes hydraulic oil in a liquid cavity to enter a hydraulic cavity through a fixing pipe, the hydraulic oil pushes a second piston block to move, the second piston block pushes an arc-shaped ejector rod to move, the arc-shaped ejector rod pushes a fixing piece to move, the fixing piece pushes a clamping barb to rotate, and the clamping barb is inserted into a penetrating groove; therefore, the device is firm in hooking and is not easy to unhook or loosen.

The invention discloses a lifting hook device and a lifting method, and relates to the field of hoisting. The lifting hook device comprises a hook body which is provided with at least one semi-closed hook cavity for hanging an object, and a first connecting end and a second connecting end which are positioned on two sides of the hook cavity; a movable hook knuckle one end of which is a positioning end and movably connected with the first connecting end, and the other end of which is a free end and used for opening and closing the coupler cavity; a connecting part the bottom of which is detachably connected with the second connecting end, wherein at least one limiting groove located in the moving path of the free end of the movable hook knuckle is formed in the connecting position, and the hook tip located at the free end of the movable hook knuckle can be completely contained in the limiting groove; a locking part which is axially arranged outside the connecting part in a sleeving manner and moves up and down along the connecting part to open and close the limiting groove; and a hanging part which is fixedly connected to the top of the connecting part and used for being connected with an external lifting appliance. According to the novel lifting hook device and the lifting method thereof, the structure is simpler, operation is convenient, safety is higher, deformation is not prone to occurring, and reliability is high.

The invention discloses a lifting device of a fishing boat. The lifting device of the fishing boat comprises two vertical guide rails arranged on a boat plate on one side of the fishing boat, a transverse plate arranged between the lower ends of the two vertical guide rails, a first baffle arranged at the upper end of each vertical guide rail, and a supporting mechanism which is in sliding connection with the two vertical guide rails; a crane arranged on the fishing boat is connected with the supporting mechanism through a plurality of ropes; and the supporting mechanism comprises two fixing blocks, the two fixing blocks are respectively in sliding connection with the two vertical guide rails through sliding blocks, a first transverse rotating shaft is arranged between the two fixing blocks, a first motor arranged on one fixing block is connected with the first transverse rotating shaft, and the first transverse rotating shaft penetrates through one end of a rectangular box body of which the upper end is provided with an opening. The lifting device of the fishing boat has the characteristics that the safety of the fishing boat is good, the labor intensity of fishermen is effectively reduced, fishes cannot be easily unhooked, and the economic benefit is improved.

The skid plate type hydraulic support loading device of the present invention belongs to the field of frame transport vehicles; the technical problem to be solved is to provide a skid plate type hydraulic support loading device, and the steel wire rope is used instead of the original ring chain to pull the support, and the steel wire rope is easier to be connected with the vehicle. The bracket is fixed and not easy to decouple, and the traction position adopts the rear of the bracket base, so that the bracket enters the frame transport vehicle at the same time from the inclined angle to the horizontal angle; the technical solution adopted to solve this technical problem is: pry board type hydraulic support loading device, including Type frame and bracket supporting plate, the bracket supporting plate is located between the two side walls of the U-shaped frame, the bracket to be loaded is arranged on the bracket supporting plate, the traction oil cylinder is arranged on the side wall of the U-shaped frame, and the traction oil cylinder is vertically arranged on the U-shaped frame. On the side wall of the type frame, pulleys are arranged on the traction cylinder, and steel wire ropes for pulling the bracket are respectively wound on the pulleys. One end of the wire rope is fixed on the upper surface of the side wall of the U-shaped frame, and the other end of the wire rope is arranged on the bracket.

The invention relates to a fish shooting gun. The fish shooting gun comprises a harpoon and a gun body, a harpoon tail is arranged at the rear end of a harpoon body and comprises a columnar tail cap, a tapered cap tip is arranged at the rear end of the tail cap, a top wing is arranged on the harpoon body through a sleeve-shaped installation base, a limit groove is defined between a clamping ring and the sleeve-shaped installation base, and a rear limit groove is defined between the clamping ring and the columnar tail cap; the gun body comprises a gun rod, a harpoon body limiter, an energy-storage gun head, a moving harpoon clamping device, a trigger mechanism and a fishing reel, two parallel and opposite sliding ways are axially formed in the top of the gun rod in the extending direction of the gun rod, a harpoon guide groove extending in the axial direction is defined by the two sliding ways, the rubber band type energy-storage gun head is arranged at the front end of the gun rod, the installation base is arranged at the rear end of the gun rod, and the harpoon body limiter used for fixing the harpoon and the moving harpoon clamping device used for guiding the installation of the harpoon are arranged on the installation base. The fish shooting gun is stable in range track, high in accuracy, good in safety performance, far in range, high in explosiveness and capable of fully meeting fishing requirements.

The invention discloses a binding rope which comprises a hook and a rope body, the hook is connected with a hook body, the hook body is penetrated with a shaft hole allowing the rope body to pass through, the axial inner diameter of the shaft hole is gradually reduced from one end to the other end, The side wall of the hook body is provided with a sliding groove, the sliding groove is slidably fitted with a sliding block, the free end of the sliding block extending into the shaft hole is provided with a block, the free end of the sliding block extending out of the hook body is provided with aplurality of blocks, and the exposed end face of the sliding block is provided with an inwardly concave tiger mouth groove. As that rope body of the invention has the self-locking function and the connection of the hook, the multi-safety guarantee that the rope body and the hook are not easy to unhook, and the hook position can be easily adjusted to adjust the length of the rope body.

The invention relates to an aquatic animal fishing tool, in particular to an finless eel fishing tool, which aims at overcoming the weaknesses of the prior art, and provides a shooting-type finless eel fishing tool which can increase the hooked rate of slip-mouth finless eel and prevent the hooked eel from being easily unhooked. The shooting-type finless eel fishing tool comprises a fishing hook, a slide rod, a handle and a shooting mechanism; one end of the slide rod is connected with the fishing hook, the other end of the slide rod is connected with the handle, and the handle and the slide rod are driven by the shooting mechanism to make relative displacement. The shooting-type finless eel fishing tool has the characteristics of good application effect, simple structure, good convenience in use and the like.