53results about How to "Elevation and labor saving" patented technology

The invention relates to a rotary folding type hydraulic channeling machine, which comprises a body and a machine frame, wherein the body comprises a motive power head and a rolling mechanism, wherein the rolling mechanism comprises an oil cylinder body, an oil cylinder cover and an oil cylinder bottom plate, a piston and a piston rod are arranged in the oil cylinder body, the body is arranged on a flat plate assembly, a rotating device is arranged in the flat plate assembly, the flat plate assembly comprises a flat plate, the upper part of the flat plate is connected with a transition plate through a rotating shaft, the body is arranged on the transition plate, the transition plate rotates around the rotating shaft in a swinging way, the rotary folding type hydraulic channeling machine is also provided with a swinging position limiting device, the flat plate and the transition plate are provided with a braking mechanism, the flat plate is arranged on a flat plate frame, the machine frame is connected under the flat plate frame, the flat plate slides on the flat plate frame, the flat plate and the flat plate frame are provided with a locking mechanism, the machine frame is an air spring auxiliary support folding machine frame which comprises two opening hinges arranged under the front end of the flat plate frame, the opening hinges are connected with a short support rod, a position limiting strip is arranged under the tail end of the flat plate frame, a long support rod is surrounded by the position limiting strip and the flat plate frame, the long support rod and the short support rod are connected through a connecting shaft, a position limiting plate is arranged on the long support rod, a position limiting groove is arranged in the position limiting plate, a position limiting pin is fixed on the short support rod, and the position limiting pin is matched with the position limiting groove.

The invention discloses a teaching table for vocational education. The teaching table comprises a table body, two groups of telescopic legs are fixedly arranged at the bottom end of the table body, universal wheels are fixedly arranged at the bottom ends of the telescopic legs, and a reinforcing arm is fixedly arranged between the telescopic legs in each group; a supporting plate is fixedly arranged between the two reinforcing arms, and an electric hydraulic cylinder is fixedly arranged at the center of the top end of the supporting plate. According to the teaching table for vocational education, the electric hydraulic cylinder is arranged, so that labor is saved when the table body ascends and descends; the universal wheels are arranged, so that the table body is easy to move, and the teaching table is convenient to use; a placing groove is formed, so that telescopic upright columns and a reel shell are convenient to place, and the height of the telescopic upright columns is adjusted;due to the connection of a connection line, hooks and hanging rings, the reel shell is stable; a projection cloth is unfolded through limiting strips, so that projection and application are easy; a lifting device is adjusted by opening a second drawer, and projection equipment is clamped between a movable baffle and a fixed baffle, so that the teaching table is easy to use for teaching and suitable for being used indoors and outdoors.

The invention relates to the field of electric power facilities, and particularly relates to a telegraph pole convenient to install. The telegraph pole comprises a bottom pile, a lifting structure, afixing structure, a driving structure, a protection structure and a control structure. Through the arrangement of the lifting structure, the height of the whole telegraph pole can be adjusted, and therefore the telegraph pole can be conveniently installed at the positions with different terrain heights; through the arrangement of the control structure, the lifting structure can be conveniently controlled to ascend and descend, and therefore the height of the telegraph pole is adjusted; through the arrangement of the fixing structure, the whole telegraph pole can be more firmly installed in soil; through the arrangement of the driving structure, when the telegraph pole is installed, the fixing structure can be controlled to move after the telegraph pole is installed in the soil; and throughthe arrangement of the protection structure, the control structure and the fixing structure can be protected, and the situation that the telegraph pole makes contact with the outside and is graduallycorroded is avoided.

The invention discloses an electric rice box hanging from an upper cabinet in the kitchen, comprising a rice box body and a rice box barrel, the rice box body is installed on the kitchen upper cabinet, the rice box barrel is built into the rice box body, An electric rice barrel lifting mechanism fixed on the rice box body is provided, including: a base, fixed on the inner top wall of the rice box body; a motor, mounted on the base; a rotating shaft, connected to the motor The output shaft transmission connection; the sling, one end is wound on the rotating shaft, and the other end is fixed on the rice box barrel. The invention can conveniently lift and lower the rice box barrel, thereby solving the applicability of hanging furniture on the upper cabinet of the family kitchen.

The invention discloses a construction hoist with an underneath type traction machine suitable for a building hoistway. The construction hoist comprises the traction machine, a sky beam, a traction medium, a cage and a counterweight. The sky beam is transversely arranged at the upper end of the building hoistway, the traction machine is arranged at the bottom of the hoistway, and a rewinding wheelis arranged above the traction machine. A first pulley is arranged at the top of the cage; a second pulley and a third pulley are arranged at the upper end of the sky beam at intervals; a fourth pulley is arranged on the counterweight; one end of the traction medium is led out upwards from the traction machine, bypasses the second pulley and the first pulley and then is led upwards and fixed; theother end of the traction medium is led out upwards from the traction machine, bypasses the rewinding wheel and the third pulley and then is led downwards to the fourth pulley, and the traction medium bypasses the fourth pulley and then is led out upwards and fixed; and the hoist has the advantages of being high in safety, convenient to maintain and low in noise.

The invention relates to a passenger car fuel tank lifting assembly device which comprises a fuel tank, a fuel tank bracket for the fuel tank to be installed, a lifting hanging frame, a pulley, a pull rope and a fuel tank pulling-lifting mechanism for vertically lifting the fuel tank. The fuel tank bracket is detachably connected to a car body framework. The bottom of the lifting hanging frame is connected with the fuel tank bracket. The pulley is installed on the fuel tank bracket and the car body framework above the lifting hanging frame. The fuel tank pulling-lifting mechanism comprises a rotating shaft, a rotating shaft installing seat and a rotating handle for turning the rotating shaft. The rotating shaft is rotatably matched with the rotating shaft installing seat. The rotating handle is detachably installed at the end of the rotating shaft. One end of the pull rope is connected with the top of the lifting hanging frame, and the other end of the pull rope bypasses the pulley and then is connected with the middle of the rotating shaft. The passenger car fuel tank lifting assembly device can eliminate the shortcomings of an existing fuel tank structure and has the advantages of being simple and efficient in assembling operation, low in production cost, attractive, elegant, low in labor intensity and the like.

The invention provides a liftable pointing rod assembly, a keyboard and an electronic device. The keyboard and the electronic device both apply the pointing rod assembly. Through a linkage coupling structure of a first connecting rod and a second connecting rod, the second connecting rod drives the first connecting rod to move during movement, and therefore the abutting relation between an abutting part of the first connecting rod and a corresponding part of a pointing rod is changed, so that the pointing rod assembly ascends and descends relative to a base plate. Through the structure above,lifting adjustment of the positions of pointing rods in the keyboard or other electronic devices is achieved.

The invention provides support assembly equipment of a movable-type hydraulic lifting platform. The support assembly equipment comprises a main body, an embedded block, inserted columns, an anti-slipping part, inner cavities, contact holes, guiding rods, baffles, stress plates, buffering blocks and supporting springs; the anti-slipping part is a rubber material, anti-slipping stripes are arrangedon the anti-slipping part, the bottom of the anti-slipping part is mounted on a bearing part in a pasted mode; and the bottoms of the guiding rods are mounted on the edge-corner position of the top ofthe main body in a welded mode, the tops of the guiding rods are mounted in a moving hole at the edge-corner position of the bearing part in an embedded mode, the baffles are mounted in embedded holes in an embedded mode, clamping grooves are used for inserting the embedded block, so that when the bearing part falls, buffering can be conducted through the rubber materials of the embedded blocks and the inserted columns, thus loud voice or huge wobble cannot be generated when the placed bearing part falls, and when the embedded block is inserted, a guiding action is also conducted on the bearing part.

The invention relates to a wall-mounted variable depth underwater launching device for a water tank. The wall-mounted variable depth underwater launching device comprises a support system, a lifting system, a gun barrel, gas tanks, gas pipes, solenoid valve and the like. An experimental model is horizontally launched in the water tank at a certain depth and speed, and the requirements of various underwater launching experiments are met. The lifting system transfers force through a pulley set, so that the system bears balanced force, saves labor and is easy to ascend and descend. According to the wall-mounted variable depth underwater launching device, different apertures of launching gun barrels can be replaced to meet the requirements of experiments of models with different apertures. Thewall-mounted variable depth underwater launching device is good in universality, easy and convenient to operate and safe in use.

The invention discloses a working method of a triangular drawing machine with a cleaning function and used for stator punching machining, and relates to the technical field of producing and machiningof refrigeration motors. The working method comprises the steps that a worker sets the corresponding rotating drum speed on a control panel according to the workpiece material and size, and a first rotating drum, a second rotating drum and a third rotating drum are driven by a motor to drive a sand paper belt to run; the worker rotates a worktable to the appropriate position by hands, or the height of the worktable is electrically adjusted to the appropriate position through the control panel, the worker draws the surface of a workpiece by pressing a hand pressing plate, and the temperature around the worktable is reduced by means of a fan; and meanwhile, dust and impurities on the surface of the worktable are eliminated, and a rotatable washing mechanism washes the surface of the worktable. The working method is simply operated by the worker, the drawing precision and the drawing efficiency are greatly improved, the safety is good, the working noise is low, and convenient cleaning andcooling functions are achieved.