14results about How to "No rotation" patented technology

The invention provides a hoisting pulley, and relates to the technical field of hoisting. A lifting hook and a steel wire rope are mounted on the pulley assembly; the positioning assembly is installed on the pulley assembly and used for positioning the combined pulley assembly. The detection assembly is installed on the pulley assembly and used for detecting the abrasion degree of the pulley assembly. The protection assembly is mounted on the pulley assembly and is used for protecting the detection assembly; the upper movable detection head is in contact with the steel wire rope, the lower movable detection head is in contact with the lifting hook, and the two movable detection heads are in clearance fit connection with the rectangular mounting block. According to the hoisting pulley, a worker can conveniently replace seriously-abraded accessories in time, and the safety in the hoisting process is improved; the hoisting pulley solves the problems that when the pulley and a lifting hook are seriously abraded, workers cannot find the abrasion in time, replacement of accessories is prone to being delayed, and potential safety hazards exist in the hoisting process.

The utility model discloses a frequency conversion speed regulation dry type transformer outgoing line terminal insulation panel which comprises an insulation panel body, and a plurality of through holes are formed in the insulation panel body in a penetrating mode. A wire outlet terminal is mounted in each through hole; the insulating panel is provided with at least one countersunk groove, and a plurality of through holes are distributed in the countersunk groove at intervals, so that the end part of the outgoing line terminal is embedded in the countersunk groove. Therefore, the fixing quality of the outgoing line terminal is improved, the production and processing efficiency of the variable-frequency speed-regulating dry-type transformer is improved, and the overall appearance quality of the transformer is improved.

The utility model discloses a mouth mould with a clamping structure, which relates to the field of glass bottle production and is characterized by comprising a mouth mould body, the mouth mould body comprises two half mouth mould bodies, mounting cavities communicated with each other are arranged in the two half mouth mould bodies, mouth ring bodies are arranged in the mounting cavities, and the mouth ring bodies are provided with clamping structures. A setting cavity is formed in one side of the mounting cavity of the two half-mouth mold bodies, a clamping part is arranged in the setting cavity and comprises a clamping section, the clamping section is movably connected with the interior of the setting cavity, the clamping section and the setting cavity are separated to form a movable interval, the clamping section has elasticity, and the clamping section is arranged in the setting cavity. The utility model aims to solve the technical problems that a mouth clamp drives an internal mouth ring to rotate under the action of driving two half mouth molds to open and close, and when the mouth ring rotates, a glass prototype is driven to rotate, so that the glass prototype deviates from a central axis, and the defect that an initial mold joint line deviates from a finished mold joint line occurs.

The utility model discloses a portable radiation protection monitoring device, which relates to the technical field of monitoring equipment and comprises a monitoring device body, an assembly block is fixedly connected to the outer surface of the monitoring device body, a rotating shaft is rotatably connected to the inner wall of the assembly block, and one end of the rotating shaft penetrates through the upper surface of the assembly block and extends to the outside. According to the device, through the matching effect of the rotating shaft, the rotating handle, the pushing mechanism, the anti-reversion mechanism and the L-shaped clamping plate, after the device is hung on a pocket through the L-shaped clamping plate, the rotating handle is rotated to drive the rotating shaft to rotate, at the moment, the pushing mechanism is connected with the rotating shaft and matched with the L-shaped clamping plate, and the pocket can be clamped and fixed; according to the portable radiation protection monitoring device, the monitoring device body can be stably hung on a pocket, and the rotating shaft of the monitoring device body cannot rotate when being collided or rubbed under the limit of the anti-reversal mechanism, so that the pushing mechanism and the L-shaped clamping plate stably clamp the pocket, and the practicability of the portable radiation protection monitoring device is improved.

The utility model belongs to the technical field of water supply equipment, particularly relates to a time period flow adjusting device for variable-frequency water supply equipment, and aims to solve the problems that the flow adjusting mode of the conventional water supply equipment is single, accurate and real-time regulation and control are inconvenient, the device is complicated and easy to break down, the display of the adjusting state is not visual enough and the like. A water supply channel is formed in the connecting part, water inlet and outlet pipelines are fixedly installed on the two sides of the connecting part, and the two water inlet and outlet pipelines are communicated with the water supply channel and used for facilitating connection between the connecting part and an external water supply pipeline. According to the time period flow adjusting device of the variable-frequency water supply equipment, the rotating angle of the adjusting shaft can be accurately controlled through the servo motor, the water flow can be flexibly and accurately adjusted, and the differentiated water use requirements of different time periods are met; a water through hole is formed in the adjusting valve element, basic water flow supply is guaranteed, and water supply interruption is avoided; the device is compact in structure, reasonable in design, close in component matching and good in equipment stability and reliability.

The utility model discloses a vegetable processing and screening device, which relates to the technical field of vegetable processing and comprises a screening bin, four corners of the inner side of the screening bin are fixedly provided with mounting columns, and one end of each mounting column is fixedly connected with a screening spring. Small potato stems and leaves are fixed to the two sides of the mounting rod through the cooperation effect of the belt collecting rotating wheel and the fixing belt, the vibration motor is started to drive the mounting groove to vibrate, the small potato stems and leaves vibrate along with the mounting groove, small potato fruits and soil are shaken off, the small potato fruits fall into the fruit collecting box, and then the small potato fruits are collected. According to the screening process, the small potato fruits can be fully shaken off from stems and leaves of the small potatoes, the soil on the small potato fruits is screened out, and therefore the screening efficiency of the small potato fruits is improved.

The invention discloses a pipe clamp adopting a T-shaped bolt to be matched with a supporting rail, which comprises an upper pipe clamp body and a lower pipe clamp body, the upper pipe clamp body and the lower pipe clamp body are respectively provided with a semicircular hole for clamping and fixing a hard pipe, the upper pipe clamp body and the lower pipe clamp body are respectively provided with a bolt hole, and the pipe clamp bodies are connected and clamped through the T-shaped bolt, a nut, a flat washer and a spring washer. The T-shaped bolt is placed in the supporting rail through the sliding groove, the tail portion of the T-shaped bolt is provided with a V-shaped groove parallel to the long edge of the bolt head, the bolt head is diagonally rounded, a square boss is arranged at the connecting position of the bolt head and the threads, the pipe clamp is suitable for an under-vehicle pre-assembly scheme, the supporting rail and the pipe clamp are firstly fixed to be pre-assembled, and then the pipe clamp is lifted to be under the vehicle to be installed. The problems that an existing pipe clamp is complex in installation procedure, the nut installation state is not easy to observe, preassembly is not suitable, and rotation risks exist are solved, and the assembly efficiency and the pipeline fixing reliability are improved.

The utility model relates to the technical field of fasteners, in particular to a fastener with a sealing effect, which comprises a bolt body, the surface of the bolt body is fixedly sleeved with a circular plate, the bottom of the circular plate is provided with a circular groove, an inner cavity of the circular groove is movably connected with a blocking plate, the top of the inner cavity of the circular groove is fixedly connected with a spring, and the top of the spring is fixedly connected with a bolt. First grooves are formed in the front side and the rear side of the top of the circular plate correspondingly, the bottoms of inner cavities of the first grooves are connected with limiting mechanisms in a penetrating and threaded mode, and second grooves are formed in the front side and the rear side of the bottom of the circular plate correspondingly. Through cooperation of the circular plate, the circular groove, the plugging plate and the spring, the bolt has the advantage of a sealing function, during fastening, the bottom of the plugging plate always makes contact with the surface of a fastened object under the action of the spring, the plugging plate and the circular plate conduct sealing protection on the connecting position of the bolt body and the object, and the sealing effect is good. And water is prevented from entering the joint to cause corrosion, so that the service life of the bolt body is prolonged.

The present invention relates to the field of metal heat exchangers, and in particular to a metal heat exchanger for extracting medium-deep geothermal sources and having an anti-corrosion structure, comprising an outer protective tube, a heat transfer tube arranged in the outer protective tube, an insulation layer, a reinforcement structure, a flange and a medium fluid tube; the outer wall of the outer protective tube is coated with an insulation layer and the outer surface of the insulation layer is coated with a petroleum asphalt anti-corrosion layer, the heat transfer tube is welded and installed with a reinforcement structure continuously arranged along its own axial direction, one end of the flange is fixedly connected with a threaded sleeve and a compression cover surrounding the outer side of the threaded sleeve, the inner wall of the compression cover is tightly attached to the outer wall of the insulation layer, the inner wall of the compression cover is hot-melt connected with a rubber ring, and the rubber ring is tightly attached between the end face of the insulation layer and the pipe wall of the outer protective tube; the present invention forms a stable hot-melt connection structure as a sealing layer by using the rubber ring on the flange to cooperate with the insulation layer on the outer protective tube, and can further strengthen the structural sealing between the flanges in combination with the inner sealing ring between adjacent threaded sleeves, thereby effectively reducing heat loss.

The utility model discloses an inner diameter measuring device for gear ring production, which relates to the field of inner diameter measurement and comprises a working table, a top plate is arranged at the top end of the working table, a gear ring clamping mechanism is arranged in the working table, and the top of the gear ring clamping mechanism extends above the top plate. A rotary supporting mechanism is arranged in the middle of the top plate, a mounting frame is arranged at the top of the rotary supporting mechanism and located at the top end of the top plate, an inner diameter measuring assembly is arranged in the middle of the mounting frame, and the bottom end of the inner diameter measuring assembly extends to the top end of the middle of the rotary supporting mechanism. According to the utility model, the inner diameter of the gear ring can be measured, the influence on the measurement precision when the gear ring rotates due to external influence is eliminated through a non-contact measurement mode and the design of fixing the gear ring, and the accuracy of inner diameter measurement is ensured.

This invention relates to the field of grinding robot technology, and more particularly to a gasbag-inflatable variable-diameter pipe grinding robot. It includes an inflatable grinding component, a dual-rotation component, a moving component, and a steering connection mechanism. The inflatable grinding component covers the dual-rotation component. The moving component is mounted and fixed on both sides of the dual-rotation component and has three branches, each connected to a support wheel. The steering connection mechanism is fixedly installed on both sides of the moving component via steering connecting rods and bolts. This invention uses a gasbag inflator, which improves the efficiency of grinding the inner wall of the pipe and ensures sufficient and uniform coverage of the grinding surface. By controlling the inflation pressure of the gasbag, the grinding force can be controlled and adjusted. Simultaneously, the variable-diameter function can be achieved through the connecting rod, adapting to different pipe diameter conditions, and enabling continuous movement within multiple sections of the pipe.

The utility model discloses a grounding mechanism for a power distribution room, which comprises a drill bit, the drill bit is provided with a screw groove, the drill bit is abutted against a cylinder, the bottom of the cylinder is fixedly connected with a fixed rod which is in threaded connection with the screw groove, the cylinder is provided with a circular groove, the circular groove is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the screw groove. The cylinder is sleeved with a sleeve disc, and the rotating rod controls the position of the sleeve disc on the cylinder through adjusting connection. According to the utility model, the sleeve disc is in contact with the ground, so that in the process of rotating the rotating rod, the cylinder can be moved upwards until the cylinder is moved upwards by an enough distance, and a worker can take the grounding mechanism out of soil, which is more convenient and labor-saving.

The utility model discloses an energy storage battery heat dissipation structure which comprises an energy storage battery shell, a cover plate detachably installed on the top of the energy storage battery shell, an air inlet formed in the side wall of the energy storage battery shell and a fan fixedly installed on the other side of the energy storage battery shell. The baffle is used for sealing the air inlet, the other end of the rotating shaft penetrates to the exterior of the energy storage battery shell and is fixedly connected with belt wheels, and the multiple belt wheels are in transmission connection through a belt. According to the utility model, one of the belt wheels is driven, and the other belt wheels synchronously rotate under the transmission of the belt, so that the baffle plate is driven to rotate through the rotating shaft, the area of the air inlet is adjusted, the air inflow is adjusted, the heat dissipation speed is adjusted, and the amount of air entering a system in unit time is more, so that the heat dissipation speed is increased; and the actual use requirements are met.

A base station antenna mounting structure of the present invention comprises a vertical pipe, a bearing part and an adjusting part, the bearing part comprises a U-shaped plate I, a connecting rod and a connecting plate, the right end of the connecting rod is fixedly connected with the upper part of the left end of the outer wall of the vertical pipe, and the left end is hinged to the middle part of the right side plate of the U-shaped plate I. The front and rear sides of the connecting rod are symmetrically provided with the connecting plates. The two ends of the connecting plate on the front side are fixedly connected with the front side plate of the first U-shaped plate, and teeth are arranged on the inner arc face of the connecting plate at intervals. The adjusting part comprises a rotating rod, a worm gear, gears and a worm, the right end face of the connecting rod is concaved leftwards to form a U-shaped groove, the rotating rod is arranged in the U-shaped groove, the front end and the rear end of the rotating rod penetrate through and are rotationally connected with the front side wall and the rear side wall of the U-shaped groove respectively, the worm gear fixedly arranged outside the rotating rod in a sleeving mode is arranged in the U-shaped groove, and the gears are connected to the front end and the rear end of the rotating rod respectively. The worm is driven by the driving piece to rotate, and the right end of the worm gear is meshed with the worm. The problems that a base station antenna installed at a high position is inconvenient to adjust and installation of the antenna is unstable are solved.