37results about How to "Improve hook efficiency" patented technology

The invention discloses an SSL / TLS network encryption communication information real-time decryption method based on memory analysis. The method comprises the following steps: monitoring a network encryption communication session key generation function and an encryption communication session ID generation function by using a process injection technology and an API Hook technology through an Agentto obtain an encryption communication session ID and a corresponding encryption key; obtaining a local IP address of the client through the Agent; encrypting the acquired encryption communication session ID, the network encryption communication session key and the local IP address of the client through a temporarily generated symmetric encryption key, and sending the encrypted data to a network decryption end; and after receiving the encrypted data, obtaining a local IP address of the client, the encryption communication session ID and a decryption key of the corresponding session, and decrypting and storing the corresponding network encryption communication session in real time. According to the invention, the extraction of the network communication encryption key and the real-time decryption of the network encryption communication content can be effectively realized, and the detection efficiency is improved.

The invention provides an electronic map road hitching method and equipment. The method comprises the steps: obtaining a to-be-processed intersection and an intersection reference line corresponding to the to-be-processed intersection according to an obtained road hitching request, and enabling the intersection reference line to comprise an entrance intersection reference line and an exit intersection reference line; for each entrance intersection reference line, determining a communication relationship between the entrance intersection reference line and the exit intersection reference line,hitching an entrance road, corresponding to the entrance intersection reference line, in the intersection and an exit road, corresponding to the entrance intersection reference line, in the intersection. According to the invention, automatic road hitching at the intersection is realized, and the road hitching efficiency and accuracy are high, so that the problems of low road hitching efficiency and high road hitching error rate caused by manual hitching of the road at the intersection are solved.

The invention discloses a double cylinder synchronous and independent control method, a system and a crane. The system is provided with four switch valves, wherein the first switch valve and the third switch valve are arranged on a first oil circuit and connected with a fourth oil port and an eighth oil port respectively; the second switch valve and the fourth switch valve are arranged between the first oil circuit and a second oil circuit; one end of the second switch valve is connected with an intersection between a first oil port and a first shunt port; the other end of the second switch valve is connected with one end, far away from the fourth oil port, of the first switch valve; one end of the fourth switch valve is connected with an intersection between a fifth oil port and a second shunt port; and the other end of the fourth switch valve is connected with one end, far away from the eighth oil port, of the third switch valve. Synchronous motion and independent motion of double cylinders are achieved by opening and closing of each switch valve, and the efficiency of the double cylinders to lift a counterweight for hooking is improved.

The invention discloses a suspended agricultural implement central pull rod quick hitching device and belongs to agricultural machinery. Side plates are fixedly installed at the two ends of an upper shaft and the two ends of a lower shaft, the upper shaft is sleeved with a hanging plate with hanging pins, arc-shaped sliding way holes A and B are formed in the side plates, L-shaped pull rod framesare hinged to the inner wall faces of the side plates through pin shafts D, pin shafts A installed on the L-shaped pull rod frames are inserted into the arc-shaped sliding way holes A in a matched manner, a linkage plate is mounted at the ends of the pin shafts, the lower shaft is sleeved with a front hook, a rear hook is hung on an arc-shaped sliding way hole C of the linkage plate through a pinshaft B, the pin shaft B is inserted into the arc-shaped sliding way holes A in a matched manner, a pin shaft C with an eccentric wheel is sequentially inserted into the arc-shaped sliding way holes Bin the side plates and round holes of the front hook and the rear hook, and upper holes and lower holes are fixedly formed in the side plates. The device achieves rapid hitching between a tractor central pull rod and an upper hanging point on a hanging agricultural implement, and is unique and reasonable in structure, easy and convenient to hitch, high in hitching efficiency, high in applicationcapacity and reliable in use.

The invention provides a novel trolley guide mechanism. The novel trolley guide mechanism comprises a first guide rod and a second guide rod which are arranged symmetrically. The two ends of the firstguide rod and the two ends of the second guide rod are connected through guide plates. Guide baffles are arranged on the parts, connected with the guide plates, of the first guide rod and the secondguide rod separately. Sliding slopes are arranged at the ends, away from each other, of the guide plates at the two ends. The positions, close to the guide plates, of the first guide rod and the second guide rod are each provided with a plurality of rollers distributed evenly. Due to the structural design of the novel trolley guide mechanism, a guide assisting function can be achieved when a trolley is connected with an automatic guided vehicle (AGV) in a hanging mode, the accurate position of the trolley is guaranteed during butt joint, the alignment effect is good, the stability of hanging connection is guaranteed while the guide function is achieved, skewing is avoided, the structure is simple, the application range is wide, effort is saved, cost is reduced, and the efficiency of hanging connection is improved.

The invention discloses a labor-saving adjustable ground wire hook mounting mechanism. The labor-saving adjustable ground wire hook mounting mechanism comprises a base; a roller is arranged at the bottom of the base; a support rod perpendicular to the base is fixed above the base; a sleeve capable of moving up and down along the support rod sleeves the support rod; a lifting device is further arranged on the support rod; the lifting device comprises a fixed pulley, a drum and a rope; the fixed pulley is fixed at the top of the support rod; the drum is fixed on the lower part of the support rod; one end of the rope is fixed on the drum; the other end of the rope is fixedly connected with the sleeve after being wound around the fixed pulley; a handle capable of enabling the drum to rotate is arranged at one end of the drum; an upper lantern ring and a lower lantern ring are arranged on the sleeve; the upper lantern ring is fixedly connected with the outer wall of the sleeve, while the lower lantern ring is fixedly connected with the outer wall of the sleeve by use of a connecting rod, and the upper lantern ring is located above the lower lantern ring. Due to the structure, a ground wire hook can be suspended more easily at higher efficiency, and meanwhile, the human input is reduced.

The invention discloses a crane and a counterweight mechanism thereof. A cylinder rod of a counterweight oil cylinder of the counterweight mechanism is arranged above a cylinder barrel; the top end of the cylinder rod is connected with a winching bracket; and the cylinder barrel is connected with a counterweight block and a counterweight bottom plate. According to the counterweight oil cylinder with a structure that the cylinder rod is overhead, the cylinder rod only bears the weight of the winching bracket in a first stroke and a second stroke, a third stroke is less than the first stroke, and the weight born by the cylinder barrel is the sum of the weight of the counterweight block and the weight of the counterweight bottom plate, so that when the weight born by the counterweight oil cylinder is less, the stroke is larger, when the weight born is more, the stroke is smaller, the full-load stroke is shortened greatly, a requirement of a system on the synchronism is reduced effectively, and the hooking efficiency is improved greatly. In addition, a piston rod is subjected to a tensile force in a process that the counterweight oil cylinder lifts the counterweight block and the counterweight bottom plate to accomplish final hooking, so that the problem of the instability of the oil cylinder is solved basically, and the safe reliability of hooking operation is ensured.

The invention provides a method for fast loading and unloading of a workover faucet and a combined manipulator, and relates to the technical field of well workover operations. The method for quickly loading and unloading a workover faucet provided by the invention includes: disassembly steps: the second pushing manipulator and the hook of a traveling car Drive the lower end of the swivel kelly assembly into place, the elevator is released from the swivel kelly assembly, and the first pushing manipulator drives the upper end of the swivel kelly assembly into place; installation steps: the first pushing manipulator drives The upper end of the swivel kelly assembly is aligned with the elevator, and the upper end of the swivel kelly assembly is connected to the elevator. The second pushing manipulator drives the upper end of the swivel kelly assembly with the cooperation of the traveling block hook. The lower end moves to the wellhead station. The quick loading and unloading method of the swivel in the workover operation provided by the present invention greatly simplifies the disassembly and assembly steps of the swivel kelly assembly, effectively improves the coupling efficiency, reduces the operating intensity of workers, eliminates operational risks, and realizes full coverage of the operation automation process.

The invention provides a novel trolley guide mechanism. The novel trolley guide mechanism comprises a first guide rod and a second guide rod which are arranged symmetrically. The two ends of the firstguide rod and the two ends of the second guide rod are connected through guide plates. Guide baffles are arranged on the parts, connected with the guide plates, of the first guide rod and the secondguide rod separately. Sliding slopes are arranged at the ends, away from each other, of the guide plates at the two ends. The positions, close to the guide plates, of the first guide rod and the second guide rod are each provided with a plurality of rollers distributed evenly. Due to the structural design of the novel trolley guide mechanism, a guide assisting function can be achieved when a trolley is connected with an automatic guided vehicle (AGV) in a hanging mode, the accurate position of the trolley is guaranteed during butt joint, the alignment effect is good, the stability of hanging connection is guaranteed while the guide function is achieved, skewing is avoided, the structure is simple, the application range is wide, effort is saved, cost is reduced, and the efficiency of hanging connection is improved.

The invention discloses an automatic fishing device. The automatic fishing device is characterized by comprising a base, a supporting rod, a mainline connecting ring, an elastic piece, component forcerods, balance rods and hook groups, wherein a bait cabin with a hollow structure is arranged in the base and connected with the bottom of the supporting rod, the top of the supporting rod is connected with the mainline connecting ring, the elastic piece sleeves the supporting rod, the upper end and the lower end of the elastic piece are connected with the component force rods and the balance rod,a trigger is arranged on the balance rod, the component force rods are arranged on the left side and the right side of the supporting rod respectively, the lower ends of the component force rods areconnected with the hook groups respectively, and triggering switches are arranged on the hook groups. The automatic fishing device has the advantages that the area is small, carrying is convenient, installation is easy and convenient, and the automatic fishing device can be suitable for a hand rod, a sea rod and the like; the sensitivity is high, the structure is simple, operation is convenient, automatic fish inducing and fish stabbing can be achieved, the phenomenon that died fishes can only be waited after past rod casting is changed, the phenomenon that as the rod is not lifted in time, fishes run, and the rod is empty is avoided accordingly, the fishing rate is greatly increased, hooking efficiency is high, multiples fishing devices can be simultaneously controlled, and labor , trouble and time are saved.

The present invention provides a method and device for linking roads on an electronic map. The method includes: acquiring the intersection to be processed and its corresponding intersection reference line according to the obtained road attachment request, wherein the intersection reference line includes entering the intersection reference line and exit intersection reference line; for each entry intersection reference line, determine the connection relationship between the entry intersection reference line and the exit intersection reference line, and according to the connection relationship, the The entry road corresponding to the reference line of the entry intersection and the exit road corresponding to the reference line of the entry intersection in the intersection are articulated to realize the automatic articulated road in the intersection, and the road articulated efficiency is high and accurate The rate is high, so that there will be no problems of low road connection efficiency and high road connection error rate caused by manual connection of roads at intersections.

The invention discloses a grounding wire hooking device which is convenient for hooking, and aims to provide a convenient alignment between the wire and the clamping opening of the clamp seat; and can effectively solve the problem that the entire clamp seat is easy A grounding wire hitch that rotates and translates, causing problems with the grounding wire being difficult to hook up. It includes an insulating rod; a wire clamp seat, which includes an upper clamp arm, a lower clamp arm and a side connecting arm; a movable pressure plate, a vertical guide rail is provided on the side connection arm, and the movable pressure plate slides up and down along the vertical guide rail; The clamp arm is provided with a vertical threaded hole, the screw rod and the vertical threaded hole are connected by threads, the upper end of the screw rod is connected with the movable pressure plate in rotation, and the screw rod is connected with the insulating rod; the anti-rotation limit structure, the anti-rotation limit structure includes a The strip-shaped guide hole on the lower surface of the upper clamp arm, the sliding block sliding along the strip-shaped guide hole and the position-limiting guide plate located below the upper clamp arm, the position-limiting guide plate is connected with the slide block.

A tube taking device, comprising a U-shaped tube bracket and a movable mechanical hook structure for hooking the U-shaped tube; the U-shaped tube bracket includes a storage part beam for placing batches of U-shaped tubes, and is connected to the storage part beam The hooking part crossbeam for placing the U-shaped pipe to be hooked, the pipe taking device further includes an auxiliary crossbeam, and a release stop structure for stopping and releasing the U-shaped pipe on the storage part crossbeam is installed in parallel on the auxiliary crossbeam, including The release arm and the stop arm are respectively installed on the auxiliary beam through the rotation shaft; the auxiliary beam is further equipped with a stop block, which is located between the two rotation shafts; the release arm and the stop arm are provided with a beam facing the storage part The U-shaped tube stop block stretching out in the direction, the U-shaped tube stop block on the stop arm is close to the U-shaped tube stored on the storage part crossbeam. The invention provides a tube taking device which can automatically hook a U-shaped tube. The device can improve the hooking efficiency of the U-shaped tube, thereby improving the assembly efficiency of the heat exchanger.

The invention discloses a link stick working head for facilitating the hooking operation. The link stick working head comprises a working head body and a connecting part, wherein a groove is arrangedin one end of the working head body, one end of each adjusting block is located in the groove and is rotationally connected with the working head body through a connecting piece, the other end of eachadjusting block is provided with a clamping piece and connected by an adjusting spring, one end of the working head body facing away from the opening of the groove is in threaded connection with an adjusting bolt, so that the adjusting bolt can be rotated from a first position to a second position, when the adjusting bolt is located at the first position, one end of the adjusting bolt is locatedbetween the two adjusting blocks, and the adjusting spring is in a compressed state; and when the adjusting bolt is located at the second position, one end of the adjusting bolt is located under the two adjusting blocks, the adjusting spring is in a relaxed state, and one end of the adjusting bolt located outside the groove is fixedly connected with the connecting part. According to the scheme ofthe invention, an adjustable fixing component is arranged on the working head body and can fix a drop-out fuse during the hooking operation, so that the hooking efficiency is improved, and the potential safety hazards are reduced.