38results about How to "Force science" patented technology

The invention discloses a movable supporting framework plate supporting structure for a roadway. According to the movable supporting framework plate supporting structure, one ends of upper baffles arehinged to top rotating shafts, the other ends of the upper baffles are fixedly connected to or hinged to side rotating shafts, the upper ends of side baffles are fixedly connected to or hinged to theside rotating shafts, the top rotating shafts are arranged in the extending direction of the roadway, the upper baffles hinged to the two sides of the top rotating shafts are inverted-U-shaped or inverted-V-shaped, the two sides of an elastic sheet are fixedly connected to the lower surfaces of the upper baffles on the two sides separately, limiting elastic sheets are C-shaped and are arranged onthe lower surfaces of the upper baffles and the inner side surfaces of the side baffles, one sides of the limiting elastic sheets are fixedly connected to the upper baffles or the side baffles, the two ends of the side rotating shafts are hinged to the compression ends of elastic compression rods on the two sides separately, the fixed ends of the elastic compression rods are hinged to supportingcolumns, the two ends of torsion supporting mechanisms are connected to the fixed ends of the elastic compression rods and the supporting columns, the other ends of the supporting columns are arrangedon a roadway base plate, and one ends of supporting column supporting mechanisms are fixedly connected to or hinged to the supporting columns and enable the supporting columns to be supported on theroadway base plate or to be fixedly connected to the roadway walls. According to the movable supporting framework plate supporting structure, roof fall and rib spalling of the mine roadway or a temporary traffic tunnel can be effectively protected.

The invention discloses a mortise and tenon building structure system comprising two or more transverse supporting units and two or more longitudinal supporting units. The transverse supporting units and the longitudinal supporting units are mutually connected in a mortise and tenon mode. Each transverse supporting unit comprises a transverse rod and two transverse connectors fixed to the two ends of the transverse rod. Each longitudinal supporting unit comprises a vertical rod, a connecting sleeve fixed to the bottom end of the vertical rod and more than two columnar longitudinal connectors connected to the vertical rod in a sleeving mode. By means of the mortise and tenon connection mode, the flexibility and construction efficiency of construction of the whole structure system are improved, the structure stability is good, the strength is high, force is scientific and reasonable, and the mortise and tenon building structure system can be used for an internal supporting structure of a house or a temporary building, can further replace a scaffold to be used as an external support, and can be directly used for constructing a bridge.

The invention discloses a tent house, which consists of a plurality of cross section parts consisting of upright post parts and roof framework parts, and a flexible roof material and wall part which covers and is fixed on a framework, wherein each roof framework part of each cross section part is in an arc shape on the cross section of the tent house, and two ends of the roof framework part are connected with upper ends of the upright post parts; the arc roof framework parts are symmetrical about the centers of the cross section parts; simultaneously, each arc roof framework part at least consists of two same arc frameworks through connection; the arc frameworks can be made of tubular sections and are connected and fixed in an insertion mode; and straight roof framework parts can also be connected between the arc roof framework parts and the upright post parts to serve as roof frameworks on the outer edges of the tent house. The tent house with the structure is easy to tension and arrange due to the flexible roof material, and simultaneously can be applied to larger span, height and space to resist larger external wind force.

The invention discloses a rocking sieve. The rocking sieve is technically characterized by comprising a positioning spring and an ejection bolt body, wherein a metal tension spring is arranged in the positioning spring in a sleeved manner; two ends of the metal tension spring are fixed on embedded bolts; the end part of the ejection bolt body is a semisphere; and the shape of a concave pad which is matched with the ejection bolt body is a concave sphere of which the diameter is identical to that of the semisphere. The rocking sieve has the beneficial effects that the tension linearity and fatigue resistance of the metal spring are higher than those of a rubber spring, so that the service life of the composite spring of the rocking sieve is prolonged through improvement; and besides, the ejection structure is reasonable, and stress is more scientific, so that the service life is long.

The invention provides an integrated ceiling and partition system. The integrated ceiling and partition system comprises a ceiling system body and a partition system body which are connected integrally; the ceiling system body comprises a bracket assembly, a wide keel and a ceiling; the partition system body comprises vertical columns, connecting elements, a bottom beam and partition panels; the height of the side wall of the ceiling is higher than that of the wide keel, the vertical columns are arranged between the wide keel and the bottom beam, and the two ends of the tops and bottoms of thevertical columns are fixedly connected with the wide keel and the bottom beam through the connecting elements; the partition panels are laid on the front and rear sides between the two adjacent vertical columns, and mounting wing plates fit the surfaces of the front and rear sides of column bodies of the vertical columns. The integrated ceiling and partition system combines the ceiling system body with the partition system body integrally, and can flexibly change a laying scheme of partitions.

The invention belongs to the technical field of supporting and retaining structure design in geotechnical engineering, and particularly discloses a pile plate retaining wall structure suitable for a fill slope and a construction method thereof.The pile plate retaining wall structure comprises an underground anti-slide pile, an overground anti-slide pile, a connecting beam and a prefabricated soil retaining plate, the underground anti-slide pile is arranged below the ground line and is in a cylinder shape, and the overground anti-slide pile is arranged below the ground line; the ground anti-slide pile is arranged above a ground line and is integrally a column body, the soil retaining side is arc-shaped, the free side is rectangular, a connecting beam is arranged at the junction of the underground anti-slide pile and the ground line, the prefabricated soil retaining plate is arranged on the rectangular side of the ground anti-slide pile, rectangular limiting blocks are fixedly arranged on the two sides of the ground anti-slide pile, and the prefabricated soil retaining plate is arranged on the ground anti-slide pile. The connecting beams are arranged at the joints of the piles and the ground, reinforcement of broken pile pouring of the ground up-down anti-slide piles is achieved, and the structural reliability is enhanced.

The invention discloses a special wire clamp for a cable. The special wire clamp for the cable comprises a base seat, a wire pressing device and a fastening device. The special wire clamp for the cable is characterized in that the base seat is in a C shape, the wire pressing device is a hinging block and is placed in the C-shaped base seat, two ends of the hinging block are matched with two ends of the C-shaped base seat to form a wire pressing groove, and the fastening device penetrates through the C-shaped base seat and the hinging block and enables the C-shaped base seat and the hinging block to be fastened. The special wire clamp for the cable can guarantee constant and large enough contact pressure and can enable the contact area to be the largest. A main hinging component and an auxiliary hinging component of the hinging block are hinged with each other, and therefore the integrity is good, the stress is scientific, and the contact performance is good. Bolts are used for fastening so that the special wire clamp for the cable is simple, convenient, economical, safe and firm.

The invention discloses a material blocking device of a reel, and belongs to the technical field of steel machining equipment. The material blocking device comprises a rack, wherein the rack is provided with a conveying chain, a conveying chain driving device and guide rails along the reel conveying direction, the directions of the guide rails are consistent with the direction of the conveying chain, baffle trolleys are arranged on the guide rails, baffle plates are arranged on the baffle trolleys through screw rod driving devices, one end of each screw rod is fixedly connected with a main chain wheel, the main chain wheel is driven by the chain, the driving device drives the chain to rotate after materials are fed to the reel, the chain firstly drives the main chain wheel to rotate so as to drive the screw rods to rotate to drive the baffle plates, the main chain wheel cannot rotate any more after the baffle plates are driven in place, and the main chain wheel and the trolleys are used as a whole body under the driving of the rotation of the chain to drive the trolleys to move forwards together with the reel on the guide rails for realizing material blocking. According to the material blocking device disclosed by the invention, a set of independent driving systems is saved, and good benefit can be realized by being applied for material feeding and material blocking on the reel.

The invention discloses a deformable scooter which comprises an assembly, pedal tubes, pedals, rear wheels, a front wheel and a T handlebar stem. The two pedal tubes are rotatably connected onto the assembly, the pedals are fixed onto the pedal tubes, and universal wheels are connected to the other ends of the pedal tubes; the front wheel is arranged on the lower portion of the assembly, the T handlebar stem is connected to the upper portion of the assembly by a stem, and hand brakes are arranged on the T handlebar stem; a clamp device is arranged at joints of the pedal tubes and the assembly, comprises a clamp plate and a strut switch, is connected onto the assembly by rotary shafts and can rotate in the up-down directions by certain angles; a clamp groove which is matched with the strut switch is formed in the end, which is connected with the assembly, of each pedal tube. The deformable scooter has the advantages that the deformable scooter is simple in structure and convenient to use, is in a novel style, can be flexibly freely switched into a frog-pose scooter and a drifting scooter and has multiple functions, and value and application of the multifunctional scooter can be improved.

The invention discloses a flat gate valve with multiplexed output adjustment. The flat gate valve with multiplexed output adjustment comprises a valve body, a valve cover arranged on the valve body, and a flow channel arranged in the valve body. An upper cavity and a lower cavity communicating with the flow channel are arranged in the valve body; the upper cavity is located above the flow channel;the lower cavity is located below the flow channel and is located right below the upper cavity; a valve rod extending into the upper cavity is arranged on the valve cover; a gate plate is fixedly arranged at one end, located in the upper cavity, of the valve rod; a valve seat matched with the gate plate so as to realize sealing is fixedly arranged on the flow channel; a spring is arranged betweenthe valve body and the valve seat; a limiting block is fixedly arranged in the lower cavity; an opening slot is formed in one surface, facing the gate plate, of the limiting block; and an extending part embedded into the opening slot and adaptive to the opening slot is fixedly arranged at a position, facing the limiting block, of a peripheral wall of the gate plate. The flat gate valve provided by the invention has the following advantages and effects of reasonable design, compact structure, convenience in use, and capability of prolonging the service life of the valve.

The invention discloses a water flow switch of a washing machine water treatment device. The water flow switch comprises a shell, a connector is arranged at the end of the shell, an impeller is arranged in the shell and comprises a rotating shaft, the rotating shaft is arranged in the flowing direction of water flow, a plurality of blades are evenly distributed on the rotating shaft, magnets are arranged on the blades, a magnetic induction device is further arranged on the shell, and an attaching layer is arranged on the inner side of the shell. The water flow switch is simple in structure, convenient to use, low in cost and not likely to be abraded or blocked when used for a long term.

The invention relates to the technical field of cardiovascular system medical instrument structures, in particular to a vena cava filter. Comprising a central pipe; the hook part is arranged at the end part of the central pipe and is used for taking out the filter in a matched manner; the umbrella-shaped part comprises a plurality of outer supporting rods, one ends of the outer supporting rods are rotationally connected to the central pipe, and the other ends of the outer supporting rods can be opened and closed to form an umbrella-shaped structure; the supporting part comprises a plurality of inner supporting rods corresponding to the outer supporting rods, and one ends of the inner supporting rods are rotationally connected to the outer supporting rods; the driving part is of a piston type structure and comprises a cylinder body and a piston arranged in the cylinder body; the piston is sleeved on the central pipe, and one axial side of the piston is connected with the other end of the inner supporting rod; the cylinder body is located on one side of the piston to drive the piston to move axially so as to drive the inner supporting rod to adjust the opening angle of the outer supporting rod. The filter is simple in structure, adjustable in opening diameter, capable of adapting to blood vessels of different sizes, better in adaptability, easy to operate and high in safety.

The invention relates to the technical field of transmission line high-altitude operation, in particular to a anti-falling clove for a tower, comprising a metal glove, a clamping assembly which can beused for clamping the pole tower main material is arranged at the side of the metal glove, an unlocking assembly is correspondingly arranged on the clamping assembly, and a locking assembly which locks the metal glove to the wrist is arranged on the lower part of the metal glove. The invention adopts such a structural arrangement, a metal glove can be use for clamping that pole tow during climbing the pole tow by the clamping assembly, so as to have the effect of protecting the safety of the operation personnel, the invention avoids the risk of falling from a high altitude, controls the clamping and loosening of the clamping assembly through the unlocking assembly, locks the metal gloves on the wrist of the operator through the locking assembly, avoids loosening, has the advantages of simple structure, convenient operation, smooth and labor-saving climbing pole tower, time-saving and labor-saving, and high safety.