9results about How to "Steady decline" patented technology

The utility model discloses a mechanical cutter quenching lifting frame which comprises a fixing frame, a motor is fixedly installed in the center of the fixing frame, the bottom end of the motor is connected with a stepping screw rod, a lifting table is arranged on the outer side of the stepping screw rod, the lifting table is in threaded connection with the stepping screw rod, and a quenching frame is fixedly installed at the top end of the lifting table. According to the mechanical cutter quenching lifting frame, in the working process of the lifting frame, no matter vibration generated by the lifting table driving the quenching frame to move up and down or external impact force possibly borne by the lifting table can be effectively dispersed and borne by the positioning rope and the formed triangular structure. And after the motor at the central position of the fixed frame is started, the motor drives the stepping screw rod connected with the bottom end to rotate. Due to the fact that the lifting table is in threaded connection with the stepping lead screw, according to the thread transmission principle, when the stepping lead screw rotates, the lifting table can do linear motion in the axial direction of the stepping lead screw, and the quenching frame carries the mechanical tool to enter the quenching pool for quenching.

This utility model relates to the field of building engineering technology, specifically disclosing a protective device for civil engineering construction, including a base plate. A height-adjustable protective mechanism is installed above the base plate. The height-adjustable mechanism includes a rectangular frame fixedly connected to the upper end of the base plate. A threaded rod is rotatably connected to the upper end of the rectangular frame. An internally threaded sleeve is threadedly connected to the outer wall of the threaded rod. A limit rod is fixedly connected to the upper end of the rectangular frame. A sleeve is slidably connected to the outer wall of the limit rod. A mounting frame is fixedly connected to the upper ends of both the sleeve and the internally threaded sleeve. The threaded rod and the internally threaded sleeve cooperate, converting the rotational motion of the threaded rod into the vertical linear motion of the sleeve. The sliding cooperation between the limit rod and the sleeve forcibly constrains the internally threaded sleeve to rise and fall only axially, ensuring that the mounting frame rises or falls smoothly, achieving the purpose of flexibly adjusting the protective height according to the actual scenario.

The utility model belongs to electric furnace equipment technical field especially relates to a kind of electric furnace electrode lengthening device, including support guide beam, horizontal transfer trolley, rotating mechanism, lifting mechanism, clamping mechanism, manipulator;Support guide beam is welded on the operation platform of workshop, horizontal transfer trolley is set on support guide beam, and can move on support guide beam;Rotating mechanism is connected with horizontal transfer trolley;Lifting mechanism is arranged in support guide beam, clamping mechanism is connected with lifting mechanism, lifting mechanism can drive clamping mechanism to lift, clamping mechanism is symmetrically arranged in support guide beam, manipulator is connected with operation platform.Advantage is: can complete electrode lifting ring's disassembly work, need not manual operation, reduce manpower input.Horizontal transfer trolley can be accurately moved on track, accurately horizontally moves to lengthening work station hole with electrode new product, ensure the centring accuracy of electrode screw hole and electrode stud, avoid the damage of thread due to inaccurate centring.

This utility model discloses a spring tempering device with high sealing performance, relating to the field of spring processing technology. The proposed solution is as follows: A spring tempering device with high sealing performance includes a tempering furnace, a furnace cover mounted on the furnace, a sealing structure mounted on the furnace cover, and a clamping device mounted on the furnace cover. The sealing structure includes a cover plate, with fixed columns on the cover plate. Four sets of fixed columns are evenly distributed at the four corners of the cover plate. Connecting rods are hinged to the fixed columns, and transmission rods are hinged to the other ends of the connecting rods. A slide rail structure is mounted on the transmission rod, and a fixed block is mounted on the other side of the slide rail structure. The fixed block is fixedly connected to the furnace cover, and the slide rail structure can slide on the fixed block. A transmission groove is provided on the fixed block, and a transmission wheel is disposed in the transmission groove. The transmission wheel is fixedly connected to the cover plate. The purpose of this utility model is to provide a spring tempering device with high sealing performance, achieving rapid closure of the tempering furnace door during processing while maintaining high sealing performance.

This utility model relates to the field of high-altitude work equipment technology, and discloses a safety operating platform for high-altitude operations. It includes a base carriage, on which a hydraulic crossarm is movably connected. A worktable is movably connected to the top of the hydraulic crossarm. The hydraulic crossarm includes multiple outer arms and inner arms, with multiple rotating shafts fixedly connected between adjacent outer arms. The inner arms are rotatably connected between the multiple outer arms. A fall-prevention mechanism is provided between adjacent inner arms. The fall-prevention mechanism includes a fixed sleeve and a mounting cover, with the fixed sleeve inserted into one of the rotating shafts. By providing a fall-prevention mechanism between adjacent inner arms of the hydraulic crossarm, the risk of hydraulic mechanism failure can be effectively addressed. In the fall-prevention mechanism, the locking tongue block, with the help of a compression spring, engages with the limiting block of the fixed sleeve, forming a one-way rotational limit on the rotating shaft, preventing the hydraulic crossarm from falling rapidly. Simultaneously, the motor can drive the linkage block to disengage the locking tongue block from the limit, without affecting normal descent.

The utility model discloses a kind of coal mine goaf water detection device, belong to coal mine detection field, including movable frame, the movable frame bottom is provided with a plurality of universal wheel, movable frame is provided with mounting mechanism, and mounting mechanism includes mounting shaft, and mounting shaft is fixedly connected in movable frame inner side, mounting shaft is provided with sliding slot, and rotating sleeve is slidably connected on the sliding slot of mounting shaft. Advantageous effects are that driving mechanism, guide mechanism and shaking mechanism are set, the process of being guided in the process of being unfolded on winding seat and being put into coal mine goaf by detection electric rope by the setting of guide seat and guide plate, it is favorable to make detection electric rope steady descend in goaf, and by the setting of shaking mechanism, it avoids that detection electric rope is stuck in rock wall or is blocked and produces bending in the process of descending in goaf, improves water detection efficiency, guarantees the effectiveness of detection data.

A bonding fixture adapted to a bonding machine includes a frame, a tray conveyor line, a lifting and positioning mechanism, and a clamping mechanism. The lifting and positioning mechanism includes a first cylinder fixed to the frame. A first connecting frame is fixed to the output end of the first cylinder. A boss is fixed to the center of the top of the first connecting frame, and a positioning plate is fixed to the top of the boss. First positioning pins are provided at both ends of the top of the positioning plate. Two top blocks are spaced apart between the two first positioning pins on the top of the positioning plate, and each top block is provided with a second positioning pin. The clamping mechanism includes multiple second cylinders fixed to the frame. Second connecting frames are fixed to the output ends of the second cylinders, and the tops of the second connecting frames are fixedly connected to a terminal upper pressure plate. This application uses the lifting and positioning mechanism to position the tray and product, lifting the tray and product. The terminal upper pressure plate and the lifting and positioning mechanism clamp the product, preventing the product from moving during the bonding process.

The utility model relates to the technical field of server production equipment, in particular to a server safety test board, which comprises a safety test frame and a server transfer table, and is characterized in that the server transfer table comprises a horizontal transfer device which is used for bearing a server on an assembly line and transferring the server to the lower part of the safety test frame; comprising a lifting device which is used for jacking up the server to be separated from the horizontal conveying device when the server is transferred to the position below the safety test frame by the horizontal conveying device; and the first translation device is used for jacking up and transferring the server out of the horizontal conveying device when the server has a safety test problem and is transferred to the first translation device. According to the utility model, the server can be connected from an assembly line, the server can be transferred out of the assembly line when the safety test problem exists in the server, and the devices are connected with a control device, so that the automatic operation can be completed, the process of human intervention is reduced, and the production efficiency is improved.

The application discloses a kind of high-altitude working platforms for extra-high voltage transmission line engineering, it relates to high-altitude working platform technical field, it includes base, the top of the base is equipped with moving mechanism, moving mechanism includes four supports, four guide wheels, four auxiliary wheels, two steel cables and four drive motors, support is fixedly installed on the top of base, guide wheel and auxiliary wheel are rotatably connected on support, guide wheel and auxiliary wheel, the present application: by integrating moving mechanism, stabilizing mechanism, lifting mechanism, supporting mechanism and safety mechanism, a multifunctional composite system is constructed, moving mechanism enables platform to move along transmission line, stabilizing mechanism ensures the overall stability when moving and working, lifting and supporting mechanism realizes flexible adjustment and reliable locking of working height, safety mechanism provides direct protection for personnel, comprehensively solves the problems of insufficient stability of traditional suspension block, difficulty in height adjustment and poor safety.