348results about How to "Increase contact friction" patented technology

A mobile telecommunications device comprising: a printhead for printing on a media substrate; a drive shaft for feeding the media substrate past the printhead; a print engine controller for operatively controlling the printhead; and, an ink reservoir for supplying ink to the printhead, the reservoir having: a housing defining an ink storage volume; one or more baffles dividing the ink storage volume into sections, each of the sections having at least one ink outlet for sealed connection to the printhead; and at least one conduit establishing fluid communication between the ink outlets of adjacent sections.

A mobile telecommunications device comprising: a printhead for printing a sheet of media substrate, the sheet of media substrate having coded data on at least part of its surface; a media feed assembly for feeding the sheet of media substrate along a feed path past the printhead; a print engine controller for operatively controlling the printhead; and, a sensor for reading the coded data and generating a signal indicative of at least one dimension of the sheet, and transmitting the signal to the print engine controller; such that, the print engine controller uses the signal to initiate the printing when the sheet is at a predetermined position relative to the printhead.

A mobile telecommunications device comprising: a printhead for printing a sheet of media substrate, the sheet of media substrate having coded data on at least part of its surface; a media feed assembly for feeding the sheet of media substrate along a feed path past the printhead; a print engine controller for operatively controlling the printhead; and a dual sensor facility for reading the coded data before, as well as after, it has past the printhead.

The invention discloses a creeping motion type mini pipeline robot, which comprises a middle stretching part and two supporting parts being able to be supported in the mini pipeline. The two supporting parts are respectively connected with the both ends of the middle stretching part, the supporting parts comprise nut supporting frames and driving devices driving the nut supporting frames to move backward and forward, rear supporting legs are hinged on the driving devices, front supporting legs are hinged on the nut supporting frames, and the rear supporting legs are hinged with the front supporting legs. The creeping motion type mini pipeline robot with enough driving traction force can freely move frontward and rearward in the mini pipeline with an arbitrary slope angle, can also creep in an upright pipeline, and can be embarked an extended function module, to realize the examining, the detecting and the maintenance of the condition in the mini pipeline.

The invention relates to a nonlinear rail type collaborative tuning damper which comprises an external cavity unit, a spring system, a viscous liquid, an internal cavity unit, a cushioning material and a particle group. Two groove rails which are arranged in the length direction of the cavity are arranged at the bottom of the damper external cavity unit, the internal cavity unit can slide back and forth along the groove rails and is connected with the inner wall of the external cavity through the spring system, the portion between the external cavity unit and the internal cavity unit is filled with the viscous liquid, the inner wall and bottom of the internal cavity are covered with the cushioning material, and the particle group is composed of circular particles with different sizes. Shaking of the viscous liquid enables the internal cavity to move back and forth to consume energy, and friction and collision of the liquid and the container wall provides the damping effect; the structure self-vibration frequency is tuned by the spring system, and the energy is consumed by means of the collision and friction between the particles or between the particles and the cavity wall. According to the nonlinear rail type collaborative tuning damper, the advantages of various dampers are combined, the vibration damping frequency band is wide, the effect is good, and the nonlinear rail type collaborative tuning damper has wide applicability in the field of civil engineering structure vibration control.

The invention provides a soil sampling and detecting device. The soil sampling and detecting device comprises a box body, a soil sampling mechanism, a supporting adjusting mechanism, a movable adjusting mechanism, a crushing and detecting mechanism, an auxiliary operating mechanism and a limiting mechanism. The movable adjusting mechanism suitable for adjusting and transferring different road surfaces is connected with the bottom of the box body and comprises a hub, a supporting plate, a rectangular inner threaded pipe, a rectangular sleeve, a first bevel gear, a second bevel gear, an outer threaded rod, a T-shaped rotating rod, a circular box, a third rotating shaft and a bent plate. According to the soil sampling and detecting device provided by the invention, the form of the corresponding hub needs to be adjusted in the transferring process for pushing and transferring; the device can be suitable for rolling of different types of road surfaces; and when the road condition of the soil conveying road surface is poor, transferring can be conducted in a manual carrying mode; time and labor are saved in the operation process; the working efficiency is improved; the device is suitablefor transferring of two kinds of road surfaces; and the application range of the transferring process is widened.

The invention relates to a plastic sleeve concrete pile and a construction method thereof. the plastic sleeve concrete pile comprises a cover board, plastic sleeves, pile tips, concrete and sleeve joints, wherein the top of each plastic sleeve is connected with the cover board and the lower part is connected with each pile tip, every two plastic sleeves are connected by the sleeve joint, and the concrete is poured in the plastic sleeves. The construction method comprises the following steps: connecting the prefabricated pile tips with the plastic sleeves, pulling the plastic sleeves together with the pile tips into an immersed tube after lifting the immersed tube at a certain height, starting a plastic sleeve concrete pile driver to drive the plastic sleeves with the pile tips together into the pile length designed depth, lifting the immersed tube after filling water into the plastic sleeves until 1 / 2-2 / 3 of pile length but remaining the plastic sleeves and the pile tips into the foundation, pumping filled water in the plastic sleeves, and pouring a concrete pile body and the cover board into the plastic sleeves to be made into the plastic sleeve concrete pile. The plastic sleeve concrete pile has small soil extrusion action, uneasy broken pile, flexible and rapid construction, easy control of pile body quality, higher bearing capacity of single pile and good cost performance; and the pouring is not influenced by outside.

A combination flexible web roller guide assembly and an integral centrifugal pump (fan) functional device located inside the roller's outer surface where an air bearing flexible web support Hydrostatic air film is created upon the roller guide's exterior circular surface. The air bearing film is created when a web is mounted onto the roller's exterior surface with web tension applied and the roller's Outer Tube is rotated by some external means. This results in a web support device that possesses the advantages of roller guides AND air bearings, and none of their disadvantages. A highly reliable mechanical device is obtained simply by the incorporation of centrifugal fan-like vanes and an air path from the atmospheric exterior, to inside the outer tube of the roller into spaces between the vanes, and finally through multiple air ports located on the roller's outer tube surface. Air is pumped with Centrifugal Forces generated by the Roller-Air Pump device being rotated by any external means.

The invention discloses a machining fixture locking device. The machining fixture locking device comprises a base plate; two extension cylinders are symmetrically and fixedly mounted on the base plate; piston rods are arranged on the two extension cylinders, and are fixedly connected with tooth plates; buffer cavities are formed in the piston rods; piston blocks are slidingly connected into the buffer cavities; moving rods are fixedly connected to one sides of the piston blocks; the ends, far from the piston blocks, of the moving rods are fixedly connected with clamping plates; the other sidesof the piston blocks are fixedly connected with second springs; and the ends, far from the piston blocks, of the second springs are fixedly connected to the side walls of the buffer cavities. Tooth blocks adaptively slide up, and meanwhile, drive first springs to compress; and under the elastic effect of the first springs, the tooth blocks are engaged with the tooth plates again, and meanwhile, end surfaces B abut against the tooth plates to prevent retreating of the tooth plates, so that the locking effect on the piston rods is achieved, and the influence on the clamping effect of the pistonrods by instable air pressure of the extension cylinders is prevented.

A piezoelectric-electromagnetic combined energy gathering vibration damping device is arranged below a floor or a decking, and aims to gather the kinetic energy in the floor or decking and convert same into electric power for storage; the electric power can be released so as to form a damping effect, thus alleviating the floor or decking vibrations; the piezoelectric-electromagnetic combined energy gathering vibration damping device mainly comprises an inductance coil, a permanent magnet, a lithium ion battery, a particle damping container, a multi-grading electromagnetic particle damping, a piezoelectric ceramics, a loading plate, anchoring bolts, an insulation pad, and an electric quantity identification and control induction member; anchoring bolts are reserved on the loading plate and the piezoelectric ceramics; each member is placed in the loading plate according to required positions; the whole device is fixed below the floor or decking through the anchoring bolts. The piezoelectric-electromagnetic combined energy gathering vibration damping device can gather and utilize the energy of vibrations in the environment, and can effectively alleviate the floor or decking vibrations.

The invention discloses a metal pipe welding device capable of adjusting spacing. The metal pipe welding device comprises a fixing base, a first servo motor, a second servo motor and a welding head; and the first servo motor is fixed to the right side of the fixing base through bolts, the edge side of a transmission rod is connected with a gear through a bearing, a rubber water bag is mounted at the upper end in a working box, an electric push rod is fixed to the middle of the upper end in the working box through bolts, a transverse plate is fixedly mounted at the lower end of the electric push rod, the welding head is mounted in the middle of the lower end of the transverse plate, and a supporting rod is fixed to the edge side of the lower end of the transverse plate through bolts. According to the metal pipe welding device capable of adjusting the spacing, the spacing between a metal pipe and the welding head can be conveniently adjusted, meanwhile collision between the welding headand the metal pipe can be avoided, good limiting and fixing effects on the metal pipe can be achieved, and meanwhile a certain cooling effect on a welded position of the metal pipe can be achieved after welding work is completed.

The invention discloses a novel steel pipe energy pile capable of improving the utilization efficiency of shallow layer geothermal energy and a manufacturing method thereof. The device comprises steel pipe pile bodies, heat transfer tubes, heat transfer tube sleeves, an air-conditioning system, a semiconductor temperature difference power generation system and a semiconductor temperature difference power generation cooling system. The air-conditioning system comprises heat-exchange equipment. Liquid in each heat transfer tube conducts heat exchange with the soil mass at first, and then the indoor air temperature of a building can be adjusted through the upper heat-exchange equipment. Electric energy obtained by the semiconductor temperature difference power generation system and the semiconductor temperature difference power generation cooling system can supply electricity to earth surface electric equipment. The semiconductor temperature difference power generation technology is adopted in the system, and the temperature difference between the liquid in the heat transfer tubes and the soil mass is used for power generation. The electric energy generated by the temperature difference power generation cooling system can drive underground radiating tubes, the electric energy generated by the temperature difference power generation system can provide driving force for a medium and small-power water pump of the air-conditioning system, and therefore the circular flow speed of the liquid in the heat transfer tubes is increased, and heat cycle efficiency and heat exchange efficiency of the energy pile heat transfer tubes are improved.

The invention relates to the technical field of straw processing, in particular to a forming method and a forming system for straw pellets. The forming system for the straw pellets comprises a straw clearing device, a straw crushing device, a straw cleaning pool, a straw filament grinding device, a straw briquetting machine and a straw drying device which are sequentially connected according to the process sequence; the straw clearing device comprises a straw inputting device, a first straw clearing frame, a second straw clearing frame, a third straw clearing frame, a straw outputting device and a moving mechanism connected with the bottom of the first straw clearing frame; the straw crushing device comprises a second straw inputting device, a second straw outputting device as well as a first cutting box, a second cutting box and a third cutting box which are sequentially arranged from top to bottom. The forming system for the straw pellets, disclosed by the invention, comprises the straw clearing device, the straw crushing device, the straw filament grinding device, the straw briquetting machine and the straw drying device, and can be used for automatically and efficiently performing briquetting processing on the straws; high-quality straw briquettes can be obtained.

In a hot pressing mold for pulp molding and its manufacturing method, the hot pressing mold includes a first mold and a second mold. The first mold has a first surface, a first mold cavity formed on the first surface, and a planar section disposed around the periphery of the first mold cavity. The first mold is engaged with the second mold. The second mold has a second surface, a second mold cavity formed on the second surface, a ridge disposed on the outer side of the second mold cavity, an inclined wall formed on a side of the ridge near the lateral side of the second mold cavity. An obtuse angle is included between the inclined wall and the second surface, and second mold cavity and the first mold cavity are pressed and engaged, and the ridge and the planar section are pressed and engaged.

This invention prevents seizure of a dynamic pressure gas bearing caused upon swinging contact between a motor shaft and a sleeve and an increase in contact friction torque. It also detects rotation of auxiliary bearings. A motor includes auxiliary bearings in series with a dynamic pressure gas bearing, and a non-contact detent torque generation mechanism parallel to the auxiliary bearings suppresses rotation of the auxiliary bearings. Where Ta denotes rotation-time viscous friction torque of the dynamic pressure gas bearing, Tka denotes contact friction torque possibly causing damage to the dynamic pressure gas bearing, Tb denotes rotation friction torque of the auxiliary bearings, and Tdmax denotes maximum torque generated when rotation of the auxiliary bearings is suppressed by the non-contact detent torque generation mechanism, (Ta+Tka)>(Tb+Tdmax)>(Ta), and the rotation detecting means detects the rotation of the auxiliary bearings.

The invention provides an embedded elevator calling box. The embedded elevator calling box comprises an elevator calling box body, and a display screen and a button arranged in the elevator calling box; the upper and lower two ends of the elevator calling box body are not closed; the elevator calling box body includes a cover plate with a display screen through hole and a button through hole, and a base; and the cover plate is arranged above the base, and is slidingly connected with the base. The embedded elevator calling box further comprises two clamping bars; and the two clamping bars are respectively arranged at the upper and lower two ends of the elevator calling box body, are embedded in the base, and are synchronously butted against the cover plate. A baseplate is provided with a wire penetrating hole, honeycomb grooves and fixed columns; the honeycomb grooves are uniformly distributed around the wire penetrating hole, and are partially correspondingly provided with the fixed columns; the fixed columns are connected with the honeycomb grooves; and fixed bolts are arranged on the back surface of the baseplate. The embedded elevator calling box is reasonable in design, simple in structure and small in size, can be embedded in a wall, and can be suitable for elevator calling boxes with different model numbers; and as the cover plate is a sliding cover plate, the maintenance pertinence is improved.

The invention discloses a textile fiber semi-finished product winding drum device which comprises a shell. A first rotating shaft is rotationally installed on the upper portion of the left side of theshell, a first gear is fixedly installed at one end of the first rotating shaft, a first conical boss is fixedly connected to one side of the first gear, a second rotating shaft is rotationally installed on the left side of the shell, a second gear is fixedly installed at one end of the second rotating shaft, a driven wheel is fixedly installed at the other end of the second rotating shaft, a servo motor is fixedly installed at the bottom of the shell, a driving wheel is fixedly installed on a transmission shat of the servo motor, an elastic mechanism is installed on the left side of the shell, a prism is movably installed on the upper portion of the right side of the shell, and a second conical boss is rotationally installed at one end of the prism. Contact friction force of a product and a winding drum can be increased, unstable installation is avoided, wound product forming is orderly and attractive, the twining phenomenon is avoided, the magnitude of pull force of rotary fiber winding can be controlled, and the problem of fiber breakage caused by too large pull force is prevented.

The invention discloses a front wheel tilt-preventing front suspension and steering system for bicycles and motorcycles, wherein a frame is provided with two front wheels and a back wheel, the front wheels are provided with planar ground surfaces, a double-shaft hub is provided with a wheel shaft for supporting the two front wheels, a tilting bearing is arranged under the wheel shaft, a steering arm is provided with a tilting shaft, when the steering arm tilts, the tilting shaft can rotate in a titling shaft core, and the steering arm is connected to the frame through a pair of wishbones. During a turn, the steering arm, the frame and the back wheel tilts towards the turning side so as to keep the gravity center at the turning side to balance the centrifugal force, but the front wheels and the double-shaft hub do not tilt, so the turning is comparatively smooth and safe.

The invention relates to a sensing type geogrid material and a structure thereof. The sensing type geogrid material comprises a polymer matrix, the polymer matrix is added with carbon nanotubes and superconducting carbon black to serve as conductive filler, and the polymer matrix is high density polyethylene matrix, the carbon nanotubes account for 3%-7% of the total mass of the raw materials, and the superconducting carbon black accounts for 6%-14% of the total mass of the raw materials. The invention provides a manufacturing method of a high strength and high friction resistance sensing type geogrid, the geogrid of the type not only overcomes the problem of insufficient self-strength of traditional geogrids, but also utilizes the pull sensitive effect of conductive polymer composite materials, by detecting the electrical resistance change of the grid itself, deformation information of the grid and a reinforcing body can be obtained conveniently, and implantation of external sensors and other equipment is unnecessary, thereby avoiding disturbance to the reinforcing body and durability deficiency of the sensor itself. The sensing type geogrid material is suitable for deformation monitoring and safety early warning of geotechnical structures within a full life cycle.

The invention discloses a wild boar water bath device for animal husbandry production, and relates to the technical field of agriculture. In order to solve the problems that dirt such as soil is carried by wild boars when the wild boars return to a breeding house, internal environment pollution is caused, bacteria and mosquitoes are bred, and growth of the wild boars is affected, the device specifically comprises a sewage pool, side plates are fixedly installed at the two sides of the top of the sewage pool, a shed cover is fixedly installed between the top ends of the two side plates, connecting frames are fixedly installed at the inner sides of the two side plates, and a plurality of chain wheels are installed between the two side plates through bearings. According to the device, a cleaning roller is used for rubbing a boar body to clean the skin of the boar, positive significance is brought to health of the wild boar, the cleaning roller rotates when being rubbed, force is stored through a clockwork spring coil, rotating reset is conducted when the rubbing force is reduced, and the scrubbing effect on the skin of the wild boar is improved; and parasites, soil and the like on theskin surface of the wild boar are well removed.

The invention discloses a ball grid array (BGA) package structure, which is characterized in that wire carriages are utilized to support corresponding wires so as to prevent the wires from collapsing in a vertical direction, and effectively separate the wires in an upper layer from the wires in a lower layer. Meanwhile, the wire carriages are provided with rough insulating surfaces, and can further prevent the wires from deviating and being rushed in a horizontal direction. Therefore, the structure can effectively avoid the wires in any two adjacent layers or the left and right wires from generating contact short circuit.

The invention discloses a wheel leg type walking mechanism. The wheel leg type walking mechanism comprises a wheel leg body of a C-shaped structure and a burr layer arranged on the outer surface of the wheel leg body. The wheel leg body is provided with an involute segment, a second circular arc segment and a first circular arc segment sequentially from front-end to end. The wheel leg type walking mechanism is capable of solving the problems of slipping of an arc-shaped wheel leg type robot in the starting gait and up-and-down fluctuating of the robot gravity center.

The invention relates to the technical field of fire-fighting equipment, and discloses a fire resisting shutter capable of controlling slip speed and stopping falling at any time. The fire resisting shutter comprises a shutter box, wherein a rotating shaft is movably connected to the interior of the shutter box, the outer side of the rotating shaft is fixedly connected with a winding drum, a shutter is arranged on the outer side of the winding drum, the outer side of the rotating shaft and located on the right side of the winding drum is fixedly connected with a driving gear, the inner right wall of the shutter box is fixedly connected with a control box, and the left side of the control box is movably connected with a linkage shaft. Under the condition of power failure and fire, a brake is pulled apart after a fuse release device is blown, the self weight of the fire resisting shutter is reduced, a fixed rod and a centrifugal block are driven to rotate through the power generated whenthe fire resisting shutter descends, when the centrifugal block rotates, the centrifugal block is influenced by centrifugal force, so that a friction plate on the centrifugal block is in contact withthe inner wall of the control box, when the descending speed of the fire resisting shutter is accelerated, the rotating speed of the linkage shaft is accelerated, the centrifugal force of the centrifugal block is increased, and the contact friction between the friction plate and the inner wall of the control box is increased.

The invention relates to a combined type device capable of automatically waxing, yarn guiding and batching for spinning. The combined type device comprises rolling wheels, yarn guide heads, a belt, anut rod and a second rotating shaft; supporting frames are installed at the top ends of the rolling wheels, springs are arranged at the bottom ends of the interiors of the supporting frames, a transverse rotating shaft is installed at the lower ends of the right sides of the supporting frames, a rotating shaft is connected to the right side of the transverse rotating shaft, and a connecting rod isfixed on the right side of the rotating shaft; a pressing block is arranged on the left side of the front surface of the connecting rod, a rotating cylinder is inlaid in the middle part of the frontsurface of the connecting rod, and external threads are installed on the front surface of the rotating cylinder; and a wool remover is arranged above the rotating cylinder, and a textile machine placement area is arranged above the wool remover. The combined type device has the beneficial effects that the supporting frames of the combined type device capable of automatically waxing, yarn guiding and batching for spinning is of relatively inclined structure, the structure is in a trapezoid shape with the ground, so that the stability of the device is improved, and when the motor and the rotating cylinder on the device are rotated, the device is prevented from turning over.