84results about How to "Overcome the elastic effect" patented technology

An improved bridge deck maintenance device, comprising a friction body, the upper end of the friction body is fixedly equipped with an operating arm, the right end of the friction body is fixedly installed with a push ring, and the friction body is provided with a set circular groove extending up and down. The fixed circular groove is provided with a midpoint rotating groove that extends up and down and is connected to the fixed circular groove. A guide sliding rod is fixedly installed between the upper and lower ends of the fixed circular groove, and a sliding sleeve is fixedly installed on the guide sliding rod. The inner end of the casing is provided with a circular groove whose mouth is opposite to the midpoint rotating groove, and a rotating frame is installed in the midpoint rotating groove so as to be rotatable and slide up and down, and the rotating frame is rotatably connected to the inner end of the sliding casing through a rotating bearing. There are teeth installed in the circular groove, and the teeth are fixedly connected with the rotating frame. A fixing groove with the mouth facing the circular groove is also arranged in the sliding sleeve. A motor is fixedly installed in the top of the fixing groove, and a motor is fixedly installed on the motor. Rotate the axis of rotation.

The invention provides a switching device of a submarine drill machine power head and a wire line coring system, and belongs to the technical field of well drilling equipment. The switching device of the submarine drill machine power head and the wire line coring system comprises a power head, a wire line coring system, a sliding frame and a sliding oil cylinder. The sliding frame is fixed to a mast of a drill machine, and a slide rail arranged horizontally is arranged on the sliding frame; the power head is mounted on the slide rail, and the power head forms an integrated structure through a connecting plate and the wire line coring system; the sliding oil cylinder is fixedly mounted on the sliding frame, the tail end of a telescopic arm of the sliding oil cylinder is connected with the power head, the power head moves horizontally along the slide rail under driving of the sliding oil cylinder, and switching of the power head and the wire line coring system at the well opening position is achieved. By adopting the switching device, automatic switching of the power head and the wire line coring system and automatic operation of breaking away from clamping of a core barrel and a fisher are achieved, therefore the wire line coring technology can be applied to submarine deep-hole drill machines, and the purposes that auxiliary operation time is shortened, and the working efficiency and the quality of cores are improved are achieved.

The invention discloses a waterproof business card issuing device. The waterproof business card issuing device comprises a device body and a card outlet device disposed in the device body, the card outlet device comprises a first cavity formed in the device body, a first sliding block is slidably disposed in the first cavity, a second cavity is disposed in the inner wall of the lower side of the first cavity in a communicating mode, a first lead screw is rotatably disposed in the second cavity, and a second sliding block connected with the first lead screw in a threaded fit mode is slidably disposed in the second cavity. A third cavity is formed in the inner wall of the lower side of the second cavity in a communicating mode, a third sliding block is slidably disposed in the third cavity,and a first spring is fixedly connected between the end surface of the right side of the third sliding block and the inner wall of the right side of the third cavity. The waterproof business card issuing device only requires a user to press a button, and the device can automatically push out a business card to facilitate taking of the user.

The invention provides a combined-type air inlet and exhaust valve and relates to the technical field of valves. The combined-type air inlet and exhaust valve comprises a valve body and further comprises an upper valve element and a lower valve element which are arranged in the valve body. A first vent hole is formed in the valve body and can be opened or closed by the upper valve element; the upper valve element and the lower valve element are slidably connected so that the upper valve element and the lower valve element can be buckled or separated mutually; a valve plate is arranged betweenthe upper valve element and the lower valve element, connected with the upper valve element through an elastic piece and connected with the lower valve element; and when the lower valve element and the upper valve element are separated, a second vent hole in the upper valve element is opened by the valve plate, and when the lower valve element and the upper valve element are buckled, the second vent hole can be closed by the valve plate. The problem that in the prior art, an air inlet and exhaust valve formed by assembling a floating-ball-type mass air exhaust valve and a float-type trace airexhaust valve is large in size, and consequently the using requirements of a small-diameter pipeline cannot be met is relieved.

The present invention discloses an improved-type energy-saving and power-saving control device used for enterprises. The device comprises a device main body, an electrifying device arranged in the device main body and a locking device arranged in the device main body. The electrifying device comprises a main cavity, wherein the main cavity penetrates the device main cavity from top to bottom. Theleft side and the right side of the main cavity are symmetrically provided with through cavities, wherein each through cavity is arranged in the main cavity, and each through cavity is interlinked with the main cavity. The left inner wall of the through cavity on the left side is fixedly provided with a live-wire power-inputting connector, and the left end of the live-wire power-inputting connector is fixedly connected with a live-wire power-inputting wire, wherein the live-wire power-inputting wire is located in the device main body, and one end of the live-wire power-inputting wire extends out of the left end surface of the device main body. The right inner wall of the through cavity on the right side is fixedly provided with a live-wire power-outputting connector, and the right end of the live-wire power-outputting connector is fixedly connected with a live-wire power-outputting wire, wherein the live-wire power-outputting wire is located in the device main body, and one end of thelive-wire power-outputting wire extends out of the right end surface of the device main body.

The invention discloses a pressure limiting valve applied to a water supply pipeline. The pressure limiting valve comprises a valve body, a valve base, a piston and elastic reset members. The valve base is provided with a first outer side wall, a second outer side wall and a first communication cavity, and the inner wall of the first communication cavity is provided a first sealing part, through holes and a second sealing part; the piston is provided with a third outer side wall, a fourth outer side wall and a second communication cavity and can reciprocate in the direction from a water inletend to a water outlet end; the elastic reset members abut against the first outer side wall and the third outer side wall separately. When the piston is located at a first position, the fourth outer side wall is in sealed cooperation with the second sealing part, and a first flow channel, the second communication cavity, the first communication cavity, the through holes and a gap channel are all communicated; when the piston is located at a second position, the fourth outer side wall is separately in sealed cooperation with the second sealing part and the first sealing part and seals the through holes. The pressure limiting valve applied to the water supply pipeline can achieve the effects of voltage regulation and pressure limitation, and normal use of a water use end is ensured.

A method and device for safely manufacturing active lightning protection and lightning protection of a high conductivity gas layer include a first device body, a door opening device arranged in the first device main body, A lifting device arranged in that main body of the first device, an air generating device arranged in the first device main body and a stabilizing device arranged on the first device main body, The door opening device comprises a first lifting cavity arranged in the main body of the first device, a first lifting block slidably arranged in the first lifting cavity, a first threaded cavity with an opening upward is arranged in the first lifting block, and a first motor is fixedly arranged on the inner wall of the upper side of the first lifting cavity. The invention aims atdesigning an automatic lightning protection method capable of carrying out lightning protection in a plurality of ways.

The invention discloses a fully automatic internal combustion engine spark plug device, comprising a first device body, a lifting device disposed in the first device body, a cleaning device disposed on a lower side of the lifting device, a clamping device disposed in the first device body, and a stabilizing device disposed on the first device body. The cleaning device comprises a first transmission cavity disposed in the first device body. A first motor is fixedly disposed in the lower-side inner wall of the first transmission cavity. The upper end of the first motor is in power connection with a first bevel gear through a rotating shaft. A first sliding cavity is disposed in and communicates with the left-side inner wall of the first transmission cavity. A first slide block is arranged slidably in the first sliding cavity. The fully automatic internal combustion engine spark plug device can automatically clean a spark plug, ensures sequential operations in an interlocking manner to prevent damage to the spark plug caused by misoperation, and is easy and convenient to operate.

The invention relates to the field of automatic welding equipment, and specifically relates to a C-shaped welding clamp arm for welding automobile parts. The C-shaped welding clamp arm comprises a welding clamp body; the welding clamp body comprises a handle switch, a welding clamp arm, an air cylinder component, a limit handle, electrode parts, an electrode arm and a connecting bracket; the C-shaped welding clamp arm further comprises an auxiliary stroke switcher; the auxiliary stroke switcher comprises a U-shaped dialing plate; the U-shaped dialing plate is rotatably arranged at the front end of the handle switch through a limit rotating member at one side deviated from the center, and the front end of the handle switch is located in a welding clamp body opening; an elastic member, wherein the two ends of the elastic member are respectively fixedly connected to the bottom of the U-shaped dialing plate opening and the bottom end of the limit rotating member; adjustable rotating seatsset on both sides of U-shaped dialing plate; and a connecting rod, wherein the two ends of the connecting rod are respectively connected to fixed parts of the adjustable rotating seats and one side ofthe limit handle, and the middle section of the connecting rod installed on both sides of the handle switch is slidably connected to the tail end of the welding clamp arm through a sliding stabilityadjusting frame. According to the C-shaped welding clamp arm for the welding automobile parts provided by the invention, the welding clamp switching stroke is convenient and safe, the structure is stable and the adaptability is strong.

The invention discloses an electronic commerce teaching device based on Internet. The electronic commerce teaching device comprises a shell, a through hole is formed in the top of the shell, a rectangular rod is limited and rotated through the through hole, a display screen is fixedly connected to the top of the rectangular rod, a first gear is arranged in the shell, a rectangular hole is formed in the inner wall of the first gear, the inner wall of the first gear is slidably connected with the surface of the rectangular rod through the rectangular hole, the rear side of the first gear is engaged with a first toothed plate, the rear side of the first toothed plate is fixedly connected with a connecting block, the rear end of the connecting block is fixedly connected with a roller, and a cylindrical cam is arranged in the shell; and a rectangular hole is formed in the inner wall of the cylindrical cam, and a second toothed plate and a third toothed plate are limited and slide through the rectangular hole. According to the electronic commerce teaching device, through the cooperative use of the structures, the problems that in the actual use process, a traditional display screen is still inconvenient to adjust, so that the actual use requirement is difficult to meet, and inconvenience is brought to use are solved.

The invention provides a magnetic control type inter-platform basin drainer. A ring-shaped base embedded in a through hole in the bottom of an inter-platform basin is arranged at the top of a sewer line; a rotary basin plug is arranged in the ring-shaped base and is connected with the ring-shaped base through a horizontally arranged spring shaft; the rotary basin plug is a permanent magnet and ismagnetized along the radial direction orthogonal to the spring shaft; a turnplate capable of rotating in the vertical plane is arranged outside the sewer line; a permanent magnetic strip extending along the diameter of the turnplate is arranged on the turnplate; the turnplate is coupled with one pull rod; when the pull rod is stretched to an outer limit position, the turnplate rotates to enable the permanent magnetic strip to be vertical and attracts the rotary basin plug to be vertical to enable the inter-platform basin in a water discharging state; and when the pull rod is inwards pushed toan inner limit position, the turnplate rotates to enable the permanent magnetic strip to be horizontal and removes attraction to the rotary basin plug, and the rotary basin plug recovers to the horizontal state and plugs the ring-shaped base to enable the inter-platform basin to be in a water accommodating state. The drainer can open and close the basin plug without using hands to stretch into thebottom of the inter-platform basin, and has high sealing property.

The invention belongs to the field of heat machining auxiliary tools, and discloses a parallel fork clamp. The fork clamp comprises two fork clamp bodies and two crossing rods; the two fork clamp bodies are arranged side by side in the same direction, a telescopic handle is arranged at one end of each fork clamp body, a fork clamp rod is arranged at the other end of each fork clamp body, the telescopic handles and the fork clamp rods are located on the same straight line, a hinge head is arranged at one end of each telescopic handle, a hinge base is arranged between each telescopic handle and the corresponding fork clamp rod, the middles of the two crossing rods are connected, one ends of the crossing rods are hinged to one hinge head, and the other ends of the two crossing rods are hinged to one hinge base. According to the fork clamp, a clamped object is not prone to inclining and slipping.

The present invention discloses an advanced package material device. The device comprises a main base body, a transmission device arranged in the main base body and a locking connection device arranged in the main base body, the transmission device comprises a mounting and inlaying cavity penetrating the internal portion of the main base body up and down, sink cavities located in the mounting andinlaying cavity and communicating with the mounting and inlaying cavity are bilaterally symmetrically arranged at the mounting and inlaying cavity, a first transmission block is fixedly arranged on the inner wall of the left side of the sink cavity at the left side, the left end of the first transmission block is fixedly connected with a first cable located in the main base body and having one endextended out of the end face of the left side of the main base body, a second transmission block is fixedly arranged at the internal portion of the inner wall of the right side of the sink cavity atthe right side, and the right end of the second transmission block is fixedly connected with a second cable located in the main base body and having one end extended out of the end face of the right side of the main base body.

Disclosed is a cutting device for a plate material. The cutting device for the plate material comprises a cutting machine frame body. A vertically-extending round installing connecting trough is formed in the cutting machine frame body. A middle end steering trough which extends vertically and communicates with the round installing connecting trough is formed in the round installing connecting trough. A guiding column is fixedly installed between the upper wall and the lower wall of the round installing connecting trough. The guiding column is fixedly provided with a smooth sleeve shell. A round trough with an inlet facing the middle end steering trough is formed in the inner side of the smooth sleeve shell. A steering frame is installed in the middle end steering trough in a steerable and vertically-sliding mode. The steering frame and the inner side of the smooth sleeve shell are in steerable connection through a steering bearing. A tooth ring is installed in the round trough, and the tooth ring is fixedly connected with the steering frame. An installing connecting trough with an inlet facing the round trough is further formed in the smooth sleeve shell. A driving machine is fixedly installed at the top end of the installing connecting trough. The driving machine is fixedly provided with a first steering shaft. The lower end of the first steering shaft extends downwards into the installing connecting trough and is fixedly provided with a meshing wheel. The meshing wheel is matched with the tooth ring.

The present invention discloses an advanced package material device. The device comprises a main base body, a transmission device arranged in the main base body and a locking connection device arranged in the main base body, the transmission device comprises a mounting and inlaying cavity penetrating the internal portion of the main base body up and down, a sink cavity located in the mounting andinlaying cavity and communicating with the mounting and inlaying cavity is bilaterally symmetrically arranged at the mounting and inlaying cavity, a first transmission block is fixedly arranged on theinner wall of the left side of the sink cavity at the left side, the left end of the first transmission block is fixedly connected with a first cable located in the main base body and having one endextended out of the end face of the left side of the main base body, a second transmission block is fixedly arranged at the internal portion of the inner wall of the right side of the sink cavity at the right side, and the right end of the second transmission block is fixedly connected with a second cable located in the main base body and having one end extended out of the end face of the right side of the main base body.