15results about How to "Guaranteed clamping force" patented technology

The utility model provides a tower body segment hanging type construction device which comprises a device body capable of being hooked at the top of a segment, the device body comprises a manned frame body with the top in an opening shape, two sleeve rods are symmetrically arranged at the top of the manned frame body, a telescopic frame is arranged in the two sleeve rods in a telescopic mode, and a hooking frame extending downwards is arranged at the front end of the telescopic frame. The device body is hooked to the top of the duct piece through a gap formed between the hooking frame and the manned frame body, anti-skid wheels are arranged at the bottoms of the sides, opposite to the manned frame body, of the hooking frame and the bottom of the telescopic frame, and a driving mechanism for controlling the telescopic frame to stretch out and draw back is further arranged on the back face of the manned frame body. The device body can be hooked at the top of the duct piece through the gap formed between the hooking frame and the manned frame body, so that a convenient construction platform is provided for constructors at the top of the duct piece, the constructors are prevented from working at high altitude through a sling rigging, and the construction safety and flexibility are effectively improved.

The utility model relates to the technical field of auxiliary medical instruments, and discloses a foldable eyedrop dripping assist device which comprises a fixing box, a connecting assembly is arranged on the upper surface of the fixing box, and a clamping assembly is arranged in the fixing box. The connecting assembly comprises a hinge, a supporting cover is arranged on the side wall of the fixing box, one side of the hinge is fixedly connected to the side wall of the fixing box, the other side of the hinge is fixedly connected to the side wall of the supporting cover, a rubber pad is fixedly connected to the side wall of the supporting cover, a first neodymium iron boron magnet is fixedly connected into the supporting cover, and a second neodymium iron boron magnet is fixedly connected into the first neodymium iron boron magnet. A second neodymium iron boron magnet is fixedly connected into the fixing box, the clamping assembly comprises a rubber plate, and the rubber plate is arranged in the fixing box. According to the auxiliary device, the supporting cover is unfolded through rotation of the hinge, the first neodymium iron boron magnet and the second neodymium iron boron magnet attract to lock the position, the rubber pad is matched to make contact with eyelids to provide friction force, the problem that a traditional auxiliary device is inconvenient to store is solved, and the using stability of the auxiliary device is improved.

The utility model discloses a paper box capable of automatically feeding paper, which relates to the technical field of printing equipment and comprises a paper delivery mechanism and a paper feeding mechanism connected with the paper delivery mechanism, and the paper feeding mechanism comprises a standby box body and a sliding plate slidably mounted on the standby box body. The paper outlet mechanism comprises a separating assembly and a main box body installed on the standby box body, and a paper taking opening is formed in the main box body. A placing plate is slidably mounted on the sliding plate, the placing plate is fixedly connected with the sliding door, and a paper placing plate is inserted into the placing plate in a normal state; according to the utility model, the paper delivery mechanism and the paper supply mechanism are designed, so that after the paper in the paper delivery mechanism is used up, the paper is automatically conveyed into the paper delivery mechanism, and the normal work of the printer is ensured.

The utility model discloses an electroplating cathode conductive seat, which comprises a seat body, an electroplating cathode, an electroplating cathode and an electroplating cathode, one end of the first main copper bar is arranged at the bottom of the groove; one ends of the two conductive side plates are selectively and symmetrically arranged in the groove in a manner of being close to or far away from each other, and the other ends of the two conductive side plates are connected with a power supply; and the conductive hanger can be inserted between the two conductive side plates and is in contact with the first main copper bar. The utility model has the characteristics that the conductivity is improved and the service life is prolonged.

The utility model relates to the technical field of electric connectors, and particularly discloses an elastic sheet type electric connector which comprises a shell and a terminal assembly arranged in the shell, the terminal assembly comprises a terminal and an elastic sheet elastically abutting against the terminal, and the elastic sheet is arranged in the shell. The elastic sheet can be separated from the terminal under the action of external force to form a clamping space for clamping a wire harness entering the shell, and an elastic sheet stopping part for stopping the elastic sheet is arranged on a separation path of the elastic sheet. Compared with the prior art, the elastic sheet type electric connector has the advantages that the elastic sheet stopping part is arranged on the separation path of the elastic sheet to protect the elastic sheet, so that the problem of elasticity damage caused by excessive separation of the elastic sheet is prevented, the elasticity of the elastic sheet is further ensured, the clamping force between the elastic sheet and the terminal is ensured, and the stable performance of the electric connector is improved.

The utility model discloses a kind of self-adaptive flexible grabbing devices, including mounting plate, the mounting plate is circular plate, four connecting plates are fixedly connected on the side wall of the mounting plate, the below of four The connecting plate is uniformly provided with claw body, the side of the claw body close to mounting plate axle is fixedly connected with clamping plate, the clamping plate adopts silica gel material, two pressure sensors are provided on the clamping end surface of the clamping plate, the utility model controls the height of adjusting block by drive mechanism, to drive driving arm to move, driving arm will drive one transmission arm to rotate, when one transmission arm rotates downward, four claw bodies will gather to workpiece and be grabbed, when one transmission arm rotates upward, four claw bodies will be scattered to workpiece and be released, the clamping force can be detected in real time by the pressure sensor set on clamping plate, to ensure that the device can self-adaptively guarantee clamping force when grabbing different workpieces.

The utility model belongs to the field of injection molding machines, and relates to an electric injection molding machine with a hydraulic pressurizing cylinder high-pressure mold locking, which comprises an injection molding device, a mold, a mold closing device and a pressurizing device, the pressurizing device comprises a mold opening and closing oil cylinder, a piston rod is arranged in an oil cavity and divides the oil cavity into a liquid inlet cavity and a liquid outlet cavity, the electric injection molding machine further comprises a pressurizing cylinder, and the pressurizing cavity is divided into an oil return cavity and a pressurizing cavity. The oil return cavity is communicated with a liquid outlet cavity of the mold opening and closing oil cylinder, the pressurizing cavity is communicated with a liquid inlet cavity of the mold opening and closing oil cylinder, a pressurizing push rod is arranged in the pressurizing cavity, a circulation section is arranged at the front end of the pressurizing push rod, an oil groove is formed in the circulation section, the oil groove is opened towards the front end and communicated with the pressurizing cavity, and a plurality of circulation through holes are formed in the peripheral side of the rear end of the circulation section. The pressure maintaining device has the advantages that the pressure maintaining is realized through the pressure cylinder, the occupied volume can be reduced, and the mold clamping force can be ensured.

The utility model relates to the technical field of clamp, the utility model provides a kind of hot-pressing sintering furnace sample taking and placing clamp, it includes clamp A, the lateral surface of clamp A is penetrated and rotationally connected with main shaft, the circumferential surface of main shaft is rotationally connected with clamp B, the top end of clamp A is provided with rotation stabilizing device, the lateral surface of main plate one is provided with protective auxiliary device, the protective auxiliary device includes connecting column one, one end of connecting column one is fixedly connected in the lateral surface of main plate one, the end, away from main plate one, of connecting column one is fixedly connected with guard plate one, the fixed block, the lateral surface of main plate two is fixedly connected with connecting column two. By the above technical scheme, the technical problem that poor stability in the prior art, sample is damaged easily is solved.

This invention discloses a convenient binding device for insulating porcelain insulators, relating to the field of insulating porcelain insulator binding technology. This convenient binding device includes an outer cover with an arc-shaped groove at its bottom. Two notches are formed on the side wall of the outer cover, and two symmetrically arranged rotating arms are rotatably connected within these notches via a rotating shaft. An arc-shaped rod is fixedly connected to the bottom of each rotating arm, and a U-shaped block is fixedly connected to the top of each rotating arm. Arc-shaped gears are fixedly connected to the side wall of each U-shaped block, and the two arc-shaped gears are meshed. A square nut is inserted into each U-shaped block. This convenient binding device for insulating porcelain insulators facilitates the binding operation of insulating porcelain insulators and wires, and is applicable to insulating porcelain insulators of different sizes, thus enhancing its versatility.

The utility model relates to the technical field of geotextile cutting, especially to a geotextile cutting device, the utility model embodiment provides a geotextile cutting device including unwinding support, unwinding support has the beam of both ends, unwinding component is set up between two edge beams, and unwinding component includes: fixed angle steel, and fixed angle steel fixedly connected between the edge beam, movable angle steel, movable angle steel rotation setting between the edge beam, and movable angle steel and fixed angle steel form the clearance for geotextile to pass between, wherein, movable angle steel has first position and second position, the clearance between movable angle steel and fixed angle steel is used for clamping geotextile when first position, and the clearance increases for the unwinding of geotextile when second position time, the geotextile cutting device provided by the utility model embodiment can more efficiently and conveniently complete the cutting of geotextile, and simultaneously improve security.

The utility model relates to the technical field of gate-type lifting appliances for arch bridge steel grid beams, and discloses a gate-type lifting appliance for arch bridge steel grid beams, which comprises a connecting component, a rotating component, clamping components and an auxiliary fixing component, the rotating component is mounted below the connecting component, the clamping components are symmetrically distributed and mounted below the clamping components, and the auxiliary fixing component is mounted below the rotating component. The auxiliary fixing assemblies are symmetrically distributed and installed on the inner wall of the clamping assembly. The clamping assembly and the auxiliary fixing assembly are arranged, so that clamping of the steel grid beam in two opposite directions is facilitated, in the lifting process, multi-point contact can be formed between the lifting appliance and the steel grid beam through the clamping mode, the contact area is greatly increased, the clamping force on the steel grid beam can be kept, the risk that the steel grid beam falls off is reduced, and the safety of the lifting appliance is improved. The safety of the hoisting operation is ensured; and the rotating assembly is arranged, so that the hoisting angle can be accurately adjusted according to the actual condition of a construction site when the arch bridge steel grid beam is hoisted.

This utility model provides a pipeline lifting tool for water conservancy projects, relating to the field of pipeline lifting tool technology. It includes a fixed plate and clamping components disposed on the outer bottom end of the fixed plate. A first clamping plate is disposed below the fixed plate for clamping and fixing both ends of the pipeline. A support component is disposed on one side of the first clamping plate, and a limiting plate is disposed on one side of the first clamping plate. This significantly improves the safety of lifting operations. Simultaneously, the entire clamping process is completed through precise mechanical coordination, with a reasonable force distribution, ensuring clamping strength while reducing damage to the steel pipe surface and protecting the pipeline integrity. Furthermore, the self-locking function requires no additional power, saving energy and reducing the risk of clamping failure due to power failure. This makes pipeline lifting and handling operations in water conservancy projects more efficient and reliable, further enhancing the applicability of the device in actual construction scenarios.

The utility model discloses an eccentric bolt, and relates to the field of eccentric bolts, the eccentric bolt comprises a bolt head, the bolt head is provided with threads, one end of the bolt head is fixedly provided with a head plate, the bolt head is provided with a circular groove, and the tail end of the bolt head is in threaded connection with a nut. On the basis of an existing bolt head, the circular groove is cut, so that the bolt head can be placed in the circular groove for installation and positioning, the nut is screwed at the tail end, overall installation and positioning can be completed, convenience and flexibility during installation can be achieved, and the installation efficiency is improved. Under the matching action of the first reinforcing teeth and the like on the first gasket, the contact area can be increased, the pressure stress of the pressure-bearing surface can be reduced, the surface of a connected piece is protected, meanwhile, the excellent durability is achieved, and under the strong vibration environment, the service life of the connected piece is prolonged. The anti-loose gasket can effectively keep the clamping force of the connecting piece, and bolt looseness caused by vibration is prevented.

The present application relates to the technical fields of precision machining, and discloses a precision elastic self-centering clamp with a steel ball bushing, which comprises a clamp connecting disc, a first air inlet channel being formed in the middle of the clamp connecting disc, a chuck steel sleeve connected with an elastic chuck, a clamp piston connected with the elastic chuck, a steel ball bushing being arranged between the clamp piston and the chuck steel sleeve, the clamp piston being slidably connected with the chuck steel sleeve through the steel ball bushing in the axial direction, and the clamp piston being used for clamping or loosening the elastic chuck; a gas conveying channel being defined in the clamp connecting disc and being communicated with the first air inlet channel, and a gas cavity being defined between the clamp piston and a piston gland and being communicated with the gas conveying channel. The clamp piston is slidably connected with the chuck steel sleeve through the steel ball bushing, and then drives the elastic chuck to clamp or loosen the workpiece. There is no friction between the elastic chuck and the workpiece, and there is no gap after the elastic chuck clamps the workpiece, so that the workpiece clamping stability can be improved, and clamping errors and elastic chuck abrasion can be avoided.

The utility model belongs to numerical control machine tool field especially, it is a kind of multi-axis linkage numerical control machine tool, to many numerical control machine tools in the use of existing, still adopt manual feeding and discharging mode, production efficiency is lower and can easily lead to worker tired problem, present and propose following scheme, including base, its surface is set up rectangular groove, rectangular groove is fixedly connected with mounting seat, and the surface of mounting seat is set up stamping through -hole and is penetrated, two first electric push rod, fixedly connected in base bottom inner wall, first electric push rod output shaft end part fixedly connected support plate, two material box, are set up respectively in two support plate surface, in the utility model, can automatically complete the feeding and discharging operation of multiple workpieces, saves the energy of staff, improves work efficiency, can conveniently change material box for people, and operation is simple and convenient, can control the coordinated movement of multiple coordinate axes synchronously through computer numerical control system, ensures the precision of processing.