165results about How to "Small tension" patented technology

A recording medium includes a substrate, a recording layer provided with perpendicular magnetic anisotropy for recording of information, a foundation layer disposed between the substrate and the recording layer, an initial layer which is greater in surface tension than the foundation layer and held in contact with a recoding-layer-side surface of the foundation layer, and a functional layer held in contact with a recoding-layer-side surface of the initial layer.

A hydrodynamic bearing device in which an introducing minimum clearance for causing capillary phenomenon is formed from the location in the proximity of the opening of a communicating path to the open end of the bearing hole in between the cover and the end face on the open end of the sleeve so that the operating fluid from the communicating path in the sleeve flows into the bearing hole by the capillary phenomenon; a vent hole leading to the outside air is formed on the cover; a fluid storage space for storing the operating fluid is formed on the inside surface of the cover or the end face on the open end of the sleeve to communicate the introducing minimum clearance and the vent hole in the circumferential direction; and the air bubbles separated at the fluid storage space are exhausted outward from the vent hole.

A substrate treatment method includes a rinsing step of supplying a rinse liquid to a front surface of a substrate while rotating the substrate at a first rotation speed, a liquid mixture film forming step of forming a liquid film of a liquid mixture of water and an organic solvent having a smaller surface tension than the water on the front surface after the rinsing step by supplying the water and the organic solvent to the front surface while reducing the rotation speed of the substrate from the first rotation speed to a second rotation speed lower than the first rotation speed, and an organic solvent replacing step of replacing the liquid mixture supplied to the front surface with the organic solvent after the liquid mixture film forming step by supplying the organic solvent to the front surface.

Provided is an artificial leather sheet that comprises microfine fibers of an inelastic polymer having a mean fiber diameter of at most 5 μm and an elastic polymer, in which the major portion of the elastic polymer forms a fibrous structure of the entangled nonwoven fabric with the microfine fibers of inelastic polymer throughout the entire layer of the artificial leather sheet in the thickness direction thereof, and a part of the elastic polymer forms a porous layer integrated with the entangled nonwoven fabric structure on at least one face of the artificial leather sheet. The artificial leather sheet does not substantially undergo structure deformation even when repeatedly elongated and deformed. It has good elastic stretchability, and has a soft and dense feel, and its appearance is good not detracting from the drapability of the sheet.

The invention relates to a roller driving belt conveyer, which comprises reversing rollers, bearing rollers, bearing drive rollers, return rollers, return drive rollers, a conveying belt, a structural bearing and an electric control system. The belt conveyer adopts a plurality of bearing drive rollers to directly drive the conveying belt, designs the specification, the rotating speed and the number of the required bearing drive rollers according to the carrying capacity requirement of the belt conveyer, determines whether the return rollers are required to be provided with the return drive rollers according to the design requirement of the longitudinal tension of the conveying belt, determines the number of the return drive rollers according to the design requirement of the longitudinal tension of the conveying belt, connects all the bearing drive rollers 1 and all the return drive rollers in series, and uses the electric control system to control and complete synchronized motion. The roller driving belt conveyer has the advantages of simple structure, reduction of a tension device, large reduction of the tension of the conveying belt and the cost, stable operation, long service life and so on.

The invention discloses a hexapod robot. The robot comprises a head part, a body, a driving device, a transmission system and six mechanical legs. The hexapod robot is characterized in that the six mechanical legs are reversely and symmetrically mounted on both sides of the long edge of the body, and adopt the completely same structures; the driving device and the transmission system are arrayed at the inner part of the body; the driving device performs driving through a servo motor, and the transmission system performs transmission through sprocket chains; three output rods are also arranged at the inner part of the body, and the two mechanical legs are reversely and symmetrically mounted on both sides of each output rod; the six mechanical legs are divided into three groups, and the three groups of output rods are connected in a transmission manner by adopting the sprocket chains; the servo motor of the driving device designed at the inner part of the body simultaneously drives the six mechanical legs to move.

The invention relates to a comprehensive automatic feeding system for an aquaculture pool. The comprehensive automatic feeding system comprises a base frame with the middle provided with an opening structure. Two gravity guiding mechanisms are symmetrically installed on the left side of the base frame, two pairs of walking slideways are symmetrically arranged on the front side and the rear side of the base frame, one walking vehicle is installed on each pair of walking slideways, and a transmission steel rope is connected between the left end of each walking vehicle and the corresponding gravity guiding mechanism. The two walking vehicles can horizontally move on the two pairs of walking slideways, two steel slideways are symmetrically connected between the two walking vehicles of the two pairs of walking slideways, and automatic feeding mechanisms are installed on the two steel slideways and can move longitudinally back and forth on the two steel slideways. The comprehensive automatic feeding system can achieve a function of comprehensive fixed point and positioning accurate automatic feeding in the aquaculture pool and have the advantages of being capable of performing fixed point and positioning automatic feeding in a specified area of the aquaculture pool, accurately controlling the feeding position and being high in working efficiency and good in culture effect and the like.

According to the present invention, there is provided a heat exchanger unit having, over a base, a surface-modified portion composed of a metal, the surface-modified portion being brought into contact with a flow path provided for a liquid refrigerant, wherein the liquid refrigerant is a liquid having a surface tension smaller than that of water, and the surface-modified portion has a porous structure, in which a plurality of recesses are provided on the flow path side thereof, each recess has an introduction path having a cross-section area gradually reduced from the inlet of the recess, and a cavity communicated with the introduction path while placing an inflection portion in between, and the shortest distance between the inflection portion and the flow path is larger than the shortest distance between the cavity and the flow path.

A method for manufacturing an electronic device is provided, in which a base and a lid as a cover body are bonded together while forming an interior space between the base and the lid. The method includes: a step of preparing the lid including a groove communicating the interior space with the outside, the groove being in a back surface of the lid; a step of accommodating a gyro element as an electronic component in the interior space; a first bonding step of bonding the base and the lid together by seam welding at an area for bonding except for a portion corresponding to the groove; and a second bonding step of bonding the base and the lid by welding using a laser beam at a portion of the area for bonding, the portion including an end of the groove on the outside side, to thereby close the groove.

The invention discloses an intelligent automatic branch pruning device, which is composed of a climbing mechanism, a pruning mechanism and a pressing mechanism, and is characterized in that a pruning mechanism is installed on the climbing mechanism, and a pressing mechanism is installed on the climbing mechanism . The advantage is that the intelligent automatic branch pruning device can replace manual branch pruning, which improves the efficiency of branch pruning and reduces the labor intensity of garden workers. Moreover, the device can realize the pruning of tree branches of different thicknesses. Different, the intelligent automatic branch pruning device can automatically adjust the internal spacing to meet the pruning work for trees of different thicknesses, avoiding the difficulty that the same branch pruning device cannot complete the job due to different tree thicknesses, improving the versatility of the branch pruning device, reducing pruning costs.

The invention discloses a double-section double-caterpillar-band stair climbing wheelchair based on travelling wheel swing and a method for going upstairs and downstairs.The stair climbing wheelchair comprises a wheelchair body, two big traveling wheels, a caterpillar band stair climbing mechanism and a big wheel swing arm mechanism; the caterpillar band stair climbing mechanism comprises double caterpillar band mechanisms, and the caterpillar band mechanism at each side comprises a mechanism front segment, a mechanism rear segment and a rubber caterpillar band, wherein the mechanism front segment and the mechanism rear segment are hinged through a bearing axle into a whole mechanism for installing the rubber caterpillar band.After the caterpillar band stair climbing mechanism is folded on the flat ground, the outer sides of the caterpillar bands are supported by supporting bearings, the caterpillar bands are in a slightly slack state, which is beneficial for prolonging service life of the caterpillar bands, and the step that at ordinary times, when the caterpillar bands are not used for going upstairs and downstairs for a long time, a caterpillar band tensioning mechanism is adjusted repeatedly to remove tension force on the caterpillar bands is omitted.

A conveyor track or path for piece goods, and in particular for luggage containers, including at least two conveyors carrying the piece goods. The conveyors are approximately parallel to one another in the transporting direction and separated by a distance from one another. At least one of the conveyors has a driven endless conveyor belt which is guided over deflecting wheels. The conveyor belt is supported by carrying rollers which are arranged successively, one behind the other, between the deflecting wheels, as viewed in the transporting direction. In a preferred arrangement, the conveyor track comprises a toothed belt with teeth arranged on the side of the conveyor belt facing away from the piece goods and the driven deflecting wheels are toothed disks.

A screw conveyor relates to the field of cooling equipment. It includes a spiral frame, on which a spiral conveyor network chain driven by a rotating cylinder is installed, and a boss that engages with each other is set between the rotary cylinder and the inner side of the spiral conveyor network chain, and the outer side of the curved conveyor network chain The lower end surface of the side is provided with a bar, and the input end of the screw conveyor and the turning position around the rotating drum are provided with a top plate connected with the screw frame. superior. The input end of the spiral conveyor network chain of the present invention, when turning around the rotating cylinder, the retaining bar is pushed outward by the baffle plate, thereby driving the spiral conveyor network chain to receive an outward thrust at the input end of the curve, so that the local spiral conveyor After the inner side of the mesh chain is folded, it meshes with the bosses between the drums to reduce the running tension on the outer side of the curved conveyor mesh chain and ensure the smooth operation of the curved conveyor mesh chain.

The invention relates to automatic feeding monitoring equipment for an aquaculture pond. The automatic feeding monitoring equipment comprises a base frame with an open structure in the middle, two gravity guide mechanisms are symmetrically mounted on the left side of the base frame, two pairs of traveling slideways are symmetrically arranged on the front and rear sides of the base frame, a traveling vehicle is mounted on each pair of the traveling slideways, a transmission steel rope is connected between the left end of the traveling vehicle and the corresponding gravity guide mechanism, two steel slideways are symmetrically connected between the traveling vehicles on the traveling slideways, and an automatic feeding mechanism is mounted on the steel slideways; two first limiting mechanisms are symmetrically arranged in the middle of the right side of the base frame, two second limiting mechanisms are symmetrically arranged on two sides of the right side of the base frame, and a driving motor is mounted at the right end of the base frame through a motor seat. By the automatic feeding monitoring equipment, a function of omnibearing automatic fixed-point positioning and accurate feeding monitoring in the aquaculture pond can be realized, and working personnel is not needed to regularly tour and observe feeding position of aquatic feed.

A Chinese artichoke stalk-breaking harvester comprises a frame, a soil breaking tool, a penetrate-harvesting beveled spade, a primary stalk-soil conveying and separating device, a secondary stalk-soil transverse conveying and separating device, a drum-type tuber lift, a tertiary vibratory tuber screening device, a tuber collecting and boxing device and a transmission system; the soil breaking tool, the penetrate-harvesting beveled spade, the primary stalk-soil conveying and separating device, the secondary stalk-soil conveying and separating device, the drum-type tuber lift, the tertiary vibratory tuber screening device, the tuber collecting and boxing device and the transmission system are mounted on the frame, other devices are mounted according to a conveying process sequentially from front to rear, from top to bottom. The Chinese artichoke stalk-breaking harvester has the advantages that this harvester can perform operations at a time, such as stalk breaking and soil breaking, digging, conveying, separating, screening and collecting; the dig-out rate is high, the defective rate is low, and surface soil of planting land is never destructed; this harvester can run and operate stably at controllable rate without blockage problem; the multiple separations provide good separation effect.

The invention provides a novel belt type vibratory rolling filtering device. The novel belt type vibratory rolling filtering device comprises belt type vibratory rolling filtering machines which are oppositely arranged, wherein each filtering machine comprises a rack; the rack comprises an upper supporting frame and a lower supporting frame; a layering distribution device is arranged at the upstream end of the upper supporting frame; in the material flowing direction, the rack is provided with a guiding roll, a vibrating part, a driving rolling part and a tensioning roll in sequence; a ring-shaped filtering belt is arranged around the guiding roll, the vibrating part, the driving rolling part and the tensioning roll; the left driving rolling part comprises a first extruding and dewateringroller positioned on the upper supporting frame and a second driving electric roller positioned on the lower supporting frame; the right driving rolling part comprises a second extruding and dewatering roller positioned on the lower supporting frame and a first driving electric roller positioned on the upper supporting frame; extruding gaps are respectively formed between the first extruding and dewatering roller and the first driving electric roller, between the two filtering belts surrounding the left driving rolling part and the right driving rolling part and between the second extruding and dewatering roller and the second driving electric roller. The novel belt type vibratory rolling filtering device provided by the invention has the advantages that the liquid content of filter cakesis low and the productivity is improved.

The invention belongs to the field of distribution network supporting equipment, in particular to a self-adjusting cable tensioning device. A take-up and take-up distance of that connected fixed electric wire can be set by setting the length of the take-up and take-up cable or the take-up and take-up cable, so that that tension capacity is adjusted, at the same time, the self-adjusting ability isrealized by using the spring to control the rotary drum and using the weight to reset the reset cable, that is, when the tension on the take-up and take-up cable reaches a certain threshold value, thereel is pulled so that the drum, the pawl disengages from the inner ratchet wheel, The drum can rotate freely, so that the take-up and take-up cables are loosened, A tensioning force of that protectmechanism is reduced, After the instantaneous stress disappears, the pawl returns to the original position, and the drum and pawl are connected with the inner ratchet wheel. The gravity of the heavy object causes the return cable to pull and the inner ratchet wheel or the rotary box to rotate so as to recover the cable and keep the original tensioning degree on the electric wire.

The invention relates to the field of textile equipment, in particular to a multifunctional cloth inspecting machine. The multifunctional cloth inspecting machine comprises a cloth unwinding device used for conveying a winding drum wound with cloth to a preset position for unwinding, a cloth winding device and a machine table located between the cloth unwinding device and the cloth winding device,wherein the cloth winding device comprises a winding assembly used for winding cloth on the peripheral face of the winding drum and a cloth stacking assembly used for stacking the cloth, the cloth stacking assembly is located above the winding assembly, a disassembling assembly used for disassembling the winding drum from the cloth unwinding device is arranged between the cloth unwinding device and the machine table, and a conveying plate used for conveying the winding drum disassembled by the disassembling assembly to the winding assembly is arranged in the machine table. According to the multifunctional cloth inspecting machine, a conveying assembly can replace manual work, the winding drum wound with cloth is lifted to the preset height position to be unwound, the winding drum can be taken down from the conveying assembly through the disassembling assembly, and the winding drum can roll to the winding assembly along a baffle and the conveying plate to be used by the winding assembly.