10results about How to "Prevent falling off" patented technology

This invention discloses an installation and construction method for a lattice-type frame structure of a 750kV substation, belonging to the field of substation civil construction technology. The method includes: assembling the frame columns on the ground with the ladder-like structure as the bottom surface to prevent misalignment; using a dual-crane system to flip the entire frame so that the ladder-like surface faces upwards; lifting using a main and auxiliary crane lifting method, with the main crane supporting multiple lifting points via a specially designed spreader beam for load-bearing distribution; after vertical lifting, the main crane guides the frame into the foundation socket, and fine-tunes the positioning using mechanical jacking tools and a three-dimensional orthogonal measurement and control system; finally, multi-stage grouting and anchoring are performed. This invention significantly reduces the risk of deformation during the lifting of ultra-large frames, eliminates the safety hazards of installing ladder bolts at heights, improves the accuracy of positioning and correction, and enhances construction efficiency. It is suitable for the safe and efficient assembly of various heavy-duty lattice frames.

The utility model relates to the technical field of coil production and processing, and discloses a multi-station drawing force testing device which comprises a base plate, the top of the base plate is fixedly connected with an object placing head, the top of the rear wall surface of the base plate is fixedly connected with a rack, the bottom of the rack is rotatably connected with a worm, the top of the worm is provided with a handle, and the handle is connected with the object placing head. A limiting column is fixedly connected to the front position of the worm, a detector is arranged on the wall face of the worm, the bottom of the detector is further fixedly connected with the same storage head, and the storage head at the bottom of the detector and the storage head at the top of the base plate are mutually symmetrical; the centralizing structure comprises a centralizing plate, a clamping column and a collecting box, the centralizing plate is fixedly connected to the rear wall face of the base plate, the clamping column is fixedly connected to the top of the centralizing plate, the collecting box is detachably connected to the top of the centralizing plate, the centralizing plate is a rectangular plate, and the base plate, the rack, the worm, the detector and the storage head which are the same are arranged on the peripheral wall faces of the centralizing plate respectively.

The utility model discloses equipment for hoisting and carrying oversized glass, which relates to the field of hoisting and carrying equipment and comprises a base, supporting columns are mounted at four corners of the top of the base, a supporting platform is mounted at the tops of the supporting columns, sliding steel frames are mounted on two sides of the top of the supporting platform, and a motor is mounted at the bottom of the supporting platform. A ball screw is fixedly mounted at the top of the motor, a screw nut is connected to the outer wall of the ball screw and mounted in a sliding block, a steel disc is mounted on one side of the sliding block and fixed to a sliding steel frame through second bolts, and second mounting plates are mounted at the two ends of one side of the steel disc. And two rotating shafts are mounted on the second mounting plate, lifting arms are connected to the outer walls of the rotating shafts, and vacuum suction cups are mounted at the tops of the lifting arms. The lead screw device is arranged, and the lifting arm with the adjustable angle can be driven to ascend and descend through movement of a ball screw.

The utility model relates to the technical field of mechanical engineering, and discloses a reaction kettle overhaul frame which comprises a bottom plate, a first rotating shaft is rotatably connected to the interior of the bottom plate, a rotating block is fixedly connected to the outer wall of the first rotating shaft, a first sliding column is fixedly connected to the interior of a connecting plate, and a supporting rod is fixedly connected to the outer wall of a second connecting rod. A lifting plate is fixedly connected to the upper surface of the second connecting rod, the upper surface of the supporting rod is fixedly connected to the lower surface of the lifting plate, and a moving assembly is arranged on the lower surface of the bottom plate. According to the lifting device, when a second rotating shaft is pushed through a hydraulic cylinder, a fixing block drives a connecting plate to move, at the moment, the hydraulic cylinder can move through a rotating block and a first rotating shaft to achieve the angle adjusting effect, and at the moment, the connecting plate can drive a second connecting rod through a first sliding column to drive a lifting plate to move up and down; in the using process, the effect of adjusting the height of the overhaul frame is achieved.

This utility model discloses a safe medical rail logistics anti-derailment structure, relating to the field of rail logistics anti-derailment technology. It includes a rail body and a rail logistics vehicle. Limiting mechanisms for preventing derailment are provided on both sides of the rail body, and a rotating mechanism is provided in the middle of the rail body. The limiting mechanisms include telescopic devices located on both sides of the rail body, with connecting rods fixedly connected to their surfaces. This utility model utilizes the driving force of the rail logistics vehicle to drive limiting balls to roll within a limiting sliding track. Limiting plates limit the connecting rods, preventing them from tilting under external force, thus enhancing the stability of the rail logistics vehicle. When the rail logistics vehicle's brakes fail, as it passes both ends of the rail body, the limiting balls are spring-loaded and engaged in limiting holes, effectively stopping the rail logistics vehicle.

This utility model relates to the field of general-purpose amplifier technology and discloses a long-life general-purpose amplifier, including a lower housing, an upper housing, an amplifier chip, and several pins. The pins are soldered onto the amplifier chip, and the amplifier chip is encapsulated between the lower housing and the upper housing by a potting compound. The top surface of the lower housing has several lower grooves corresponding to the pins, and a limiting post I is provided on the lower groove. The bottom surface of the upper housing has several upper grooves above the lower grooves, and a limiting post II is provided on the upper groove. A through-hole is formed between the lower groove and the upper groove, and the pin passes through the through-hole. A limiting hole is provided on the pin. This utility model effectively prevents the amplifier chip and pins from easily detaching, improves the overall structural stability, and thus extends the service life of the general-purpose amplifier.

This utility model discloses a plastic-coated steel pipe bend joint suitable for low-temperature conditions, comprising a bend section and straight pipe sections welded to both ends, forming a bend structure. It also includes: a stress buffer device comprising a corrugated compensator welded to the junction of the bend section and the straight pipe section, and a flow-damping orifice plate connected to the other end face of the corrugated compensator; and a damping sliding pair comprising a damping sliding tube fixed to the outer wall of the flow-damping orifice plate and a fixed damping kit fitted into the inner wall of the straight pipe section. The end face of the corrugated compensator connected to the flow-damping orifice plate is a free end that slides axially along the straight pipe section, and the damping sliding tube and the fixed damping kit achieve a sliding seal through an elastic seal. This utility model uses the sealing gas, the elastic material in the corrugated compensator, and the friction generated by the relative sliding of the damping sliding tube and the fixed damping kit to jointly counteract the pressure caused by frost heave, making the joint fully adaptable to low-temperature conditions.

The invention relates to a medical instrument, in particular to a clinical gastrointestinal decompression auxiliary device for the digestive system department. The invention provides a clinical gastrointestinal decompression auxiliary device for the digestive system department. A clinical gastrointestinal decompression auxiliary device for the digestive system department comprises a bed frame, a first bed board, a second bed board, a first side edge board, a first connecting rod, a movable rolling wheel piece and the like. Second bed plates are hinged to the two sides of the first bed plate. A first side plate is fixedly connected to one side of the bed frame. Second connecting rods are longitudinally and symmetrically connected to the first side plate in a sliding mode. First connecting rods are transversely and fixedly connected to the bottoms of the second connecting rods, and movable rolling wheel pieces are arranged on the tops of the two second connecting rods. The winding drum cloth is matched with the clamping assembly, the drawn winding drum cloth directly covers the upper body of a patient, and the winding drum cloth laying process has the effects of being simpler, more comprehensive and more stable.

The invention relates to a modularized aviation communication signal lamp, and belongs to the technical field of communication signal lamps. The signal lamp is of a modular structure and comprises a support module, a light source module, an intelligent beating and sending device module, a manual beating and sending device module and a control module, the manual beating and sending device module, the light source module and the control module are all integrally installed in the support module, all the modules are connected through cables, and communication and control of current and signals are achieved. The signal lamp is integrally designed in a modularized manner, and is high in replaceability, simple in fault positioning and short in maintenance period; the technical problems that in the prior art, a communication signal lamp is fixed in structure and poor in replaceability, fault positioning and timely replacement cannot be simply carried out when a fault occurs, the maintenance period is long, and the overall system freedom degree is poor are solved.

The utility model discloses an industrial robot base adjusting device and relates to the technical field of industrial robot bases, the industrial robot base adjusting device comprises a chassis and a base, the inner wall of the chassis is provided with a built-in groove, the outer wall of the top of the chassis is contacted with the outer wall of the bottom of the base, and a placing table is fixedly connected to the middle axis of the inner wall of the base. By arranging the placing table on the base, when the industrial robot equipment needs to be used, the industrial robot equipment is placed on the top surface of the placing table, then a motor is started, when the motor is started, a rotating shaft is driven to enable a fluted disc to start to move, and then the fluted disc drives a fluted disc II to rotate on the outer surface of a fixed rod; and when the second fluted disc rotates, the connecting disc can be driven to move together, and when the connecting disc moves, the multiple teeth can be driven to rotate together, so that the industrial robot base can be quickly adapted to the size of the industrial robot base to be quickly fixed, and the condition of inclination during use is prevented.