30 results about "Spring truss" patented technology

The present invention pertains to a spring resistance exercise machine comprising an adjustable spring carriage and having cable and pulley linkage assemblies attached to a plurality of springs, or other resistance sources. Each cable and pulley linkage assembly, which is independent of the other(s), can be used by one arm or leg during bilateral exercise resistance training (that is, training in which both limbs of a pair are used to simultaneously pull a certain resistance).

The invention relates to the technical field of distribution boxes, and discloses auxiliary equipment capable of keeping the bottom of a distribution box dry and preventing moisture damage. The auxiliary equipment comprises a shell, the back of the shell is movably connected with a slide rail, the surface of the slide rail is slidably connected with a toothed plate, the surface of the toothed plate is movably connected with a screw, and the left and right ends of the screw are movably connected with gears. The surface of each gear is fixedly connected with an arc-shaped blade, the back of each gear is movably connected with a movable rod, and the end, away from the gear, of the movable rod is movably connected with a rolling wheel. When a cystic bag is pressed, a spring support can extrude flocculent substances in the spring support, namely gas is extruded and guided by a gas pipe and then flows out of an exhaust plate, the sprayed gas can blow away moisture around the shell, a volute spiral spring in the shell can contract when the rolling wheels are pushed to rotate, and when rainwater is swept off, the contracted volute spiral spring drives the rolling wheels to reversely rotate to recover parts to original states, so the effects of keeping the bottom of the distribution box dry and reducing the surrounding moisture are achieved.

The invention relates to the technical field of wooden stool manufacturing, in particular to a length-adjustable cut-off device special for wooden stool legs. The length-adjustable cut-off device comprises a shell, a machining part is movably connected into the shell, and an elastic film is connected into the shell and located on the surface of the machining part; push rods are movably connected to the surface of the elastic film, and water storage films are fixedly connected to the surfaces of the push rods; limiting plates are movably connected to the ends, away from the elastic film, of thepush rods, and a spring frame is movably connected into each limiting plate; and a movable frame is movably connected to the surface of each spring frame, clamping plates are movably connected to thesurfaces of the movable frames, and rollers are movably connected to the surfaces of the clamping plates. The force applied to the surface of the elastic film is small, namely the time for the rollers to get close to the surface of the workpiece is long, the overall time for the shell to slide downward is long, in addition, the clamping plates and the rollers apply certain force to the surface ofthe workpiece, the workpiece is stable when the workpiece is cut again by manpower, and therefore the effect that the cutting length and the diameter of the workpiece are inversely proportional is achieved.

The invention relates to the technical field of sandy soil, and discloses environment-friendly maintenance auxiliary equipment for sandy soil with a poor water-retaining property. The environment-friendly maintenance auxiliary equipment comprises a shell, a placement groove is formed in the shell, a sliding rail is fixedly connected to the surface of the placement groove, a spring frame is slidably connected to the surface of the sliding rail, a push rod is fixedly connected to the surface of the spring frame, a reset valve is fixedly connected to the end, away from the spring frame, of the push rod, a liquid storage bag is fixedly connected to the surface of the reset valve, a movable plate is movably connected to the joint of the spring frame and the push rod, and a water stop film is fixedly connected to the side, away from the spring frame, of the movable plate. The water stop film moves to be changed into a stretching state from an original compression state, the stretched water stop film can retain left water, so that the water-retaining property of the sandy soil is prolonged, along with the increase of the water, in order to avoid the situation that the growth of plants is affected by excessive retention of the water, the water flows out from water holes in the surface of a water seepage plate, and therefore, the effect of improving the water-retaining property of the sandy soil is achieved.

The invention discloses house translation equipment for a villa. The house translation equipment structurally comprises a concave sliding pad groove, a roller wheel spring frame cylinder groove, a bearing steel disc seat, a cement reinforcing steel bar rail and a pneumatic guide pipe. According to the house translation equipment for the villa, the concave sliding pad groove is matched with the roller wheel spring frame cylinder groove, the rolling friction translation operation effect of bearing, jacking and butt joint of needle frame wheel rings and a spring frame block rack is formed at the upper portion and the lower portion of the cement reinforcing steel bar rail through a concave pad groove, colliding unloading spring frames on the two sides of torsional spring truss blocks form an operation effect of stabilizing a sliding block by a concentric-square-shaped frame torsional spring frame at the butt joint top of upper and lower bearing and transverse sliding friction unloading, the translation efficiency and stability of the integral villa house are improved, the end angle concentrated stress derailment is avoided, and the high efficiency of rail combination translation operation is guaranteed.

The invention discloses a composite material compression fixture and its use method for the coupling effect of load and environment, and relates to the technical field of composite material compression testing devices. position nut; the holder is used to clamp the composite material sample; one end of the long screw is connected to the fixture base, the other end of the long screw is provided with a thread, the stopper is provided at the other end of the long screw, and the limit nut is connected with the thread; the spring The frame is a T-shaped structure, a guide hole is set in the middle of the block, the two ends of the spring frame are sleeved on the long screw, the spring is sleeved at the tail end of the spring frame, and the tail end of the spring frame extends into the guide hole; In the case of equipment, provide accurate and quantitative compressive loads for composite material tests in extreme environments, complete service simulation tests of composite materials bearing compressive loads in various extreme environments, and adjust according to different environmental simulation requirements and different types of samples Test conditions and procedures.

The invention relates to the field of sports, more specifically to a track and field line drawing machine, comprising a storage box, a discharge cylinder, a bottom cover, an oil cylinder I, a hammer head, a spring frame and a hammer rod, and the invention can temporarily draw the track and field track. . The upper part of the storage box is wide and the lower part is narrow, the lower part of the storage box is provided with a discharge cylinder, the rear side of the discharge cylinder is fixedly connected with an oil cylinder I, the bottom cover is slidably connected to the lower part of the discharge cylinder, and the rear end of the oil cylinder I is fixedly connected to the At the rear of the bottom cover, a hammer rod is arranged on the left and right sides, the left and right sides of the storage box are inclined surfaces, the two hammer rods are hinged on the left and right sides of the storage box respectively, and the inner ends of the two hammer rods are fixedly connected with The hammer head, the two hammer heads are respectively in contact with the left and right sides of the storage box, the left and right sides of the storage box are fixedly connected with a spring frame, and the two spring frames are fixedly connected with a compression spring I, and the two compression springs I are fixedly connected. The upper parts stand on the lower sides of the two hammer rods respectively.

A well logging controllable attitude stabilizer relates to the technical field of well logging devices and comprises a first protective tube, a plurality of spring columns are mounted on one side of the first protective tube, the first protective tube is fixedly connected with one side of a second protective tube through the spring columns, and a first spherical joint is fixedly mounted on the other side of the second protective tube. The connector assembly is rotationally connected with the other side of the second protection pipe through a first spherical connector, the other side of the connector assembly is rotationally connected with a third protection pipe through a second spherical connector, a supporting rod is arranged in the third protection pipe, a plurality of second righting frames are arranged on the outer wall of the third protection pipe, and a plurality of first righting frames are arranged on the outer walls of the first protection pipe and the second protection pipe. The first centralizing frame and the second centralizing frame are each composed of a plurality of spring frames. The second protection pipe and the third protection pipe are connected through the spherical joint, the problem that turning cannot be achieved in the construction process is solved, the posture of the stabilizer can be changed at will, meanwhile, the first centralizing frame, the second centralizing frame and the supporting rod are additionally arranged, the stability of the stabilizer is improved, and vibration in the construction process is relieved.

The invention provides a fast-assembly guide rail buffer, and relates to the field of buffers. The fast-assembly guide rail buffer comprises two mechanisms arranged in bilateral symmetry; each mechanism consists of a spring frame, two sliding blocks, a sliding block connecting piece, a pressing buffer unloading oil tube and a tension spring; and a first U-shaped hanging groove and a second U-shaped hanging groove are formed in each sliding block connecting piece. After installation, a sliding block assembly can move front and back along a first curved surface guide bar in the spring frame, andthe mechanism plays a role in buffering and closing under the action of the tension spring and the pressing buffer unloading oil tube; when the sliding block in the sliding block assembly moves to anangle position along the first curved surface guide bar in the spring frame, and when the sliding block rotates around a round guide column in the sliding block connecting piece to a sliding block stop point in the spring frame, a first protruding guide block and a second protruding guide block in the sliding block coincide with the stop point in the spring frame, the sliding block is opened, orotherwise the sliding block is in a closed state.

The invention relates to a mold for manufacturing and processing motor rotor slices, including an upper die device, a processing device and a lower die device, a processing device is installed at the lower end of the upper die device, and a lower die device is installed at the lower end of the processing device. Matching with the lower mold through the guide post and the guide sleeve, the trajectory of the processing device is restricted. When the punch moves downward, the spring frame fixes the silicon steel sheet. Finally, the punch and the die cooperate to punch out the punching sheet, and the spring Due to the extrusion force, the frame produces a reaction force. When the punch moves upward, the spring frame generates a downward extrusion force on the edge of the punch, so that the punch stuck on the punch falls, and the hole shaft is used to The protruding height of the lower end is greater than the height of the rotor block, so that every time the silicon steel sheet is punched, the rotor slot and blanking, the hole shaft and the rotor block are used to fix and guide the silicon steel sheet.

The invention discloses a rotary shaft pressed from an integrated zinc alloy and door lock convenient to assemble. The rotary shaft pressed from the integrated zinc alloy and door lock convenient to assemble comprises a lock cylinder assembly, and the lock cylinder assembly comprises a spindle and a lock body framework. The lock body framework is clamped outside the spindle, and a spring bolt connecting U-shaped sheet is fixedly mounted in the lock body framework through a U-shaped sheet positioning pin. A lock body spring frame is clamped at the position, on a gap in the surface of the lock body framework, of one side of the spindle, and two lock body springs are clamped at the bottom end of the lock body spring frame. The bottom ends of the lock body springs abut against the surface of the gap of the lock body framework. According to the rotary shaft pressed from the integrated zinc alloy and door lock convenient to assemble, due to the fact that a proper material is selected, the machining precision reaches the expected precision level, a lock body is durable, and a handle is good in holding feeling; a supporting spring in the handle can support the handle to be in a natural state after the handle is used for a long time, the position does not drop, and the lock is attractive and elegant; the number of structural components in the lock is small, and due to the integrity of the spindle and the lock body framework, the strength is guaranteed, and the rigidity is high; and therefore the whole lock is durable.

The invention relates to the technical field of building pouring, and discloses environment-friendly equipment for compacting concrete and preventing hollowing phenomenon for building pouring. The equipment comprises a shell, a rotating shaft is movably connected in the shell, a bearing is movably connected to the surface of the rotating shaft, fan blades are fixedly connected to the surface of the bearing, and a meshing plate is movably connected to the bottoms of the fan blades. A spring roll is movably connected into the meshing plate, a connecting plate is movably connected to the surface of the spring roll, an extrusion frame is movably connected to the bottom of the meshing plate, a spring frame is movably connected to the bottom of the rotating shaft, and permeation plates are fixedly connected to the left side and the right side of the spring frame. The extrusion frame moves downwards to enable symmetrical rollers to be far away from each other on the surface of an extrusion plate, the rear extrusion plate exerts a certain force on the surface of the concrete, and when a certain pressure is exerted on the concrete flowing into the shell, a gas in the concrete can flow out of the permeation plates of the shell, and therefore, the effect of extruding out the gas to avoid the hollowing phenomenon while pouring the concrete is achieved.

The invention relates to the technical field of massage treatment for skin diseases of beef cattle, and discloses an automatic beef cattle massage device capable of preventing skin disease diffusion.The automatic beef cattle massage device comprises a shell, wherein the surface of the shell is movably connected with fixing belts, medicine inlet bags are fixed connected in the fixing belts, the surfaces of the medicine inlet bags are fixedly connected with spring frames, the surfaces of the spring frames are movably connected with liquid flow channels, the ends, away from the medicine inlet bags, of the liquid flow channels are movably connected with rotating shafts, the surfaces of the rotating shafts are movably connected with medicine spraying rods, and the surfaces of the rotating shafts are movably connected with meshing shafts. Because the shell covers the affected parts, shake-up pipes can push scratch plates to move in a direction away from the rotating shafts when stretching,and then the scratch plates can contact with the hair of beef cattle. After the scratch plates contact with the beef cattle, as the rotation directions of screw rods and the rotating shafts are opposite, when the shell moves to the affected parts, scratching is stopped, and the beef cattle no longer lick the meshing shafts, so that the effect that a medical worker can accurately locate the affected parts without getting closer is achieved.