519 results about "Square cylinder" patented technology

The invention relates to an underground granary, comprising a granary roof, a granary wall and a granary bottom, wherein the granary wall is externally coated with steel, and a steel plate not only can be used as a water-proof and damp-proof layer of the granary wall independently, but also can be connected with the granary wall by steel members so as to form the granary wall with a combined structure to prevent water and damp. The shape of the granary wall of the underground granary is linear or curved, such as cylindrical, square-cylinder-shaped and semicircular and the like.

The invention provides a press-in slide-vane sampler structure for acquiring a soft soil, sludge or sewage sludge undisturbed sample with high water content in a sludge storage field, dredger fill field and landfill field and an installation and using method. The press-in slide-vane sampler structure can sample according to the conditions of soft flow state soil in the depth direction of sludge storage yards and dredge fill fields, and the acquired mud sample retains in-situ physical and chemical properties in the sampler. The whole structure comprises a three-sided square cylinder, a slide soft vane, a trabecula slot baffle plate and a trabecula. The sampler adopts a modular design, can control the length of sample separation length as well as the size of a sampling region and sampling precision. The sampler is simple, light, simple and convenient in operation, high in efficiency and low in sampling cost.

The invention discloses a dynamic true-triaxial apparatus for soil. A top counter-force rack is provided with an axial electric cylinder; an axial adjusting piston is mounted in a rack support, and is upward connected with an axial hydraulic cylinder and a pressure chamber base in sequence, the pressure chamber base is upward encircled to form a pressure chamber with a pressure chamber top cover through a square cylinder wall, the middle part of the upper surface of the pressure chamber base is used for placing a sample, four faces of the sample are four pressure cavities, and the cylinder wall of each pressure cavity is provided with a lateral displacement measuring mechanism; a sample cap is arranged in the pressure chamber top cover, and is upward connected with an axial force transmission bar which is coaxially connected with the axial electric cylinder; and each sensor is connected with a signal acquisition part, and the signal acquisition part and a loading mechanism is connected with a loading control part. The dynamic true-triaxial apparatus for soil, provided by the invention, can respectively add dynamic load in three stress directions under a common stress condition in practical projects.

The invention relates to an ultra-thin sun energy level silicon chip and cutting technology thereof which belongs to the solar cell field. The body of the ultra-thin sun energy level silicon chip is the square slice composed of upper and lower planes in parallel, the foursquare of the square slice is four same chamfer angle of 45 DEG. The distance of the upper and lower planes is in the scope of 165-195 um, the angularity is less than 75 um, and the surface of the plane is bright, flat and flawless. The ultra-thin sun energy level silicon chip cutting technology adopts a silicon wafer stick excavator to directly cut silicon wafer stick into octagonal square cylinder whose cross-section is square and foursquare is the same chamfer angle of 45 DEG, the cutting excess stock is lump which can be reused by scrap. It also adopts optimized cutting technology to cut into the ultra-thin sun energy level silicon chip on the multi-thread cutting machine so as to guarantee the manufacturing quality of the ultra-thin sun energy level silicon chip, improve productivity, and reduce the manufacturing cost of ultra-thin sun energy level silicon chip.

The invention relates to a millimeter-wave high-gain circular polarization horn antenna with a loaded single-medium planar lens. The millimeter-wave high-gain circular polarization horn antenna comprises a circular polarization horn antenna body and a single-medium planar lens which is arranged above the top of the circular polarization horn antenna body for covering, wherein the single-medium planar lens comprises a medium substrate and a plurality of array units which are embedded into the medium substrate. The array unit has a structure form in which a circular through hole exists at the center of a square cylinder. Furthermore in the medium substrate, arrangement is performed according to a phase compensation principle algorithm based on a feed source phase center. The circular polarization horn antenna body comprises a rectangular waveguide, a circular waveguide with a chamfering angle, and a horn-shaped circular open waveguide, wherein the rectangular waveguide, the circular waveguide and the horn-shaped circular open waveguide are successively arranged from bottom to top. According to the millimeter-wave high-gain circular polarization horn antenna, the array unit with the circular through hole is used as a basic unit of the single-medium planar antenna; through adjusting the diameter of the circular through hole of each array unit, phase distribution is controlled and aphase compensation function on the electromagnetic wave which is transmitted from the circular polarization horn antenna is realized; and a purpose of improving gain and directionality is realized.

The invention relates to a folding receiving device, which can be folded into tabular shape to reduce occupying space greatly, so as to be beneficial to storing and transporting, and also can be unfolded as a standing box so as to become a containing box which can contain things. The device comprises a bottom plate, a top plate, a left side plate and a right side plate, wherein, all the plate faces are spliced into a square cylinder body by a pivot, and each plate face can rotate by taking the corresponding pivot as an axle center to be horizontal shape or standing shape, wherein, any two connected plate faces are provided with lugs and caulking grooves, thus causing the connected plate faces to generate button and orientation effect by embedding each lug into the corresponding caulking groove in standing shape.

A keylock collar 2 is constituted to include a square cylinder portion 21 on its body front side half and a cylindrical portion 22 on its body back side half. The circular outer circumference 26 of the cylindrical portion 22 has eleven ridges 27 formed at an angularly equal spacing to bulge radially outward. When an ignition key is turned to a lock position and pulled from the keyhole, a lock key 19 is protruded toward the axis of a steering shaft 13. As a result, the leading end of the lock key 19 comes into engagement between the side faces 271 and 271 of the adjoining ridges 27 and 27 of the keylock collar 2 so that the steering shaft 13 is fixed with respect to a column 11 thereby to block the rotation of the steering shaft 13.

The invention relates to the technical field of rust removing of outer walls of square cylinders, in particular to a dust removing device used for the outer wall of a square cylinder. A servo motor isadopted for driving a reciprocating screw rod to rotate, a moving nut moves back and forth in the axial direction of the reciprocating screw rod, and an installation plate is driven to synchronouslymove through a first connecting rod; meanwhile, a first rotating shaft moves along with an installation plate, a driven gear and a rack act, the driven gear drives the first rotating shaft to rotate to act on a first rust removing assembly, and therefore the first rust removing assembly can also rotate while moving vertically, and the rust removing effect is optimized; a driving assembly also actson a rotating assembly through a transmission assembly, a sheave structure is adopted for completing face changing, comprehensive rust removing can be conveniently conducted on the outer wall of thesquare cylinder, during face changing, an electric wire collecting wheel is adjusted for conducting wire collecting, a rotary disc gets away from the square cylinder, and the phenomenon that the square cylinder interferes with the first rust removing assembly during rotation is avoided; and meanwhile, when the square cylinder rotates along with the rotating disc, the top of the square cylinder anda second rust removing assembly act, and rust removing is conducted.

The invention relates to a convective waste heat boiler, in particular to a convective waste heat boiler for generating superheated steam. The invention solves the problem that the existing convective waste heat boiler can generate only 250-degree saturated steam which is not suitable for direct electricity generation. A plurality of standpipes are arranged in parallel to form a square-cylinder shape, a connecting board is arranged between two adjacent standpipes; tube components are arranged in a boiler body; two tube panel upper collecting headers, two tube panel lower collecting headers and the tube components form an independent water loop; two superheater upper collecting headers, two superheater collecting lower headers and at least two superheater S-shaped tube bundles form an independent water loop; two economizer upper collecting headers, two economizer lower collecting headers and at least one economizer S-shaped tube bundle form an independent water loop; a raw gas connecting tube is connected with the cylinder-shaped end surface on the outer side, which is surrounded by a plurality of connecting tubes of the tube components. By adopting the convective waste heat boiler, the invention is capable of generating superheated steam with the temperature is above 450 DEG C, which is suitable for electricity generation.

The invention discloses intelligent forming complete equipment for a super-large-specification ceramic plate. The intelligent forming complete equipment comprises a material distributing device, a pressing machine and a brick taking device, wherein the pressing machine comprises a pressing machine body, a square cylinder, a stroke compensation mechanism, a movable beam, an upper die, a lower die core assembly, a die frame and a driving device for driving the die frame to ascend and descend; the square cylinder comprises a cylinder body, a square piston and a square sealing ring; the stroke compensation mechanism is arranged between the square piston and the movable beam, and the stroke compensation mechanism can change the distance between the movable beam and the square cylinder; and a movable beam oil cylinder is arranged between the movable beam and the pressing machine body. Correspondingly, the invention further discloses a forming process of the intelligent forming complete equipment for the super-large-specification ceramic plate. According to the intelligent forming complete equipment and the forming process, the forming of the large-specification ceramic plate is realized,the forming quality is good, the strength of the ceramic plate is high, and edge cutting treatment is not needed.

The invention relates to a powder metallurgy raw material crushing machining process. The powder metallurgy raw material crushing machining process is completed by mainly utilizing a powder metallurgyraw material linkage crushing device in a cooperative mode. The powder metallurgy raw material linkage crushing device comprises a square cylinder, a primary crushing mechanism and a secondary crushing mechanism, wherein the lower end of the square cylinder is installed on an existing working ground, the primary crushing mechanism is installed at the upper end of the interior of the square cylinder, the secondary crushing mechanism is arranged right below the primary crushing mechanism, and the secondary crushing mechanism is installed inside the square cylinder in a sliding fit mode. According to the powder metallurgy raw material crushing machining process, metallurgical raw material crushing machining is carried out by adopting a design philosophy of a multi-stage cooperation crushingstructure, an auxiliary grinding structure is additionally arranged on the basis of adopting the primary crushing mechanism and the secondary crushing mechanism, so that the crushing degree of the metallurgical raw material is improved, and the percent of pass of metallurgical raw material crushing forming products is increased; and meanwhile, a structure for recovering and retreating omitted metallurgical raw material or metallurgical raw material which is not ground is arranged, and therefore, the metallurgical raw material can be utilized to the maximum extent.

The invention relates to a square stackable glass lens module and a manufacturing method thereof. The module is the shape of a square cylinder and is formed by straight cutting an array stackable lens module into multiple units. The square stackable glass lens module comprises at least two optical glass lenses, a positioning mechanism for interconnection thereon and other matched optical elements which are combined into a stacked body by adhesives. The manufacturing method of the square stackable glass lens module comprises the following steps of: making an array optical glass lens which is provided with multiple optical glass lenses and forms an array by using raw glass materials and a multi-cavity glass molding technology, wherein the array optical glass lens is provided with a positioning mechanism; stacking at least two array optical glass lenses, the positioning mechanism and other matched optical elements into an array stackable lens module; and then cutting the array stackable lens module to form multiple square stackable glass lens modules. The square stackable glass lens manufactured by using the manufacturing method can realize the simple alignment of the optical central axis of the lens to conform to optical precision, greatly simplify the manufacturing process, and achieve the purposes of mass production and manufacturing cost reduction.

The invention discloses a vegetable drug juice extracting device for biological pharmacy. The vegetable drug juice extracting device for the biological pharmacy comprises a device base. The device base is provided with a juice collection box and a residue collection box in a sliding manner. One end of the device base is provided with a vertical plate. The middle portion of the vertical plate is provided with a controller. The upper portion of the vertical plate is provided with a feeding oil cylinder. The feeding oil cylinder coordinates with a feeding push head. The feeding push head is in sliding fit with a feeding square cylinder. The upper portion of the feeding square cylinder is connected with a feeding cylinder. The upper portion of the feeding cylinder is provided with a charging motor. The end portion of the feeding square cylinder is provided with a dividing device. The end portion of the feeding square cylinder coordinates with a conveying channel. The conveying channel is connected with a juice pressing cylinder. The juice pressing cylinder is internally provided with a juice pressing push head in a sliding manner. The vegetable drug juice extracting device for the biological pharmacy is easy to operate, convenient to control, capable of rapidly extracting vegetal juice and conveying the juice to the position of the next treating working procedure and high in automation degree and has a vegetal residue recovering function.

The invention discloses a weighing apparatus measurement testing simulation weight loading device. The device consists of tested equipment, a height-adjustable support base, a simulation weight, a high-precision force sensor, a height adjusting connecting rod, a gravity self-adjusting verticality bearing base, a force transferring lever, an upper tool edge, a lower tool edge, a support body, a structure bracket, a stress bearing base, a square ball slide block, a square cylinder block, a spring, a square sliding nut, a lead screw, a stepping motor, a device base and a reset balance spring piece, wherein the tested equipment is arranged on the base; the structural sizes of the components can be adjusted according to a required loading mass value. The device has the advantages of easiness and convenience in loading and unloading, flexibility in use, time saving capability, high efficiency, easiness in operation, easiness in control, reduction of machining processes, low working complexity and low repeatability, and accurate force value loading can be realized.

The invention discloses a device and a method for testing water permeability resistance of a concrete joint under the action of controllable lateral restriction. The device and the method are used for testing the water permeability resistance of a test block at a new-old concrete joint part. The device comprises a double-layer square cylinder 4 used for placing a new-old concrete joint impervious test block 5, wherein the bottom of the square cylinder is sealed; an outer flange 14 is formed in an upper opening of the square cylinder; an inner flange 9 with a middle opening 10 is formed in the lower part of the square cylinder; the square cylinder 4 is separated into two parts, namely a test block compartment 6 and a water inlet compartment 13 by virtue of the inner flange; a force adjustment hole 16 which is used for conveniently adjusting and clamping the impervious test block 5 and transversely penetrates through double-thread screws 15 on two sides of the test block compartment is formed in the test block compartment; the concrete impervious test block is pressed by a left cover plate 1 and a right cover plate 2 on the top and cover plate fastening bolts 3; an elastic sealing gasket 8 is arranged on the inner flange; and the left cover plate and the right cover plate are fixedly pressed on the outer flange of the square cylinder by virtue of the fastening bolts. According to the device and the method disclosed by the invention, the water permeability resistance of the new-old concrete joint part under the action of controllable lateral restriction can be tested.

The invention discloses a heat dissipation type power equipment box, and relates to the technical field of accessories of power equipment. The heat dissipation type power equipment box comprises a boxbody; a first partition plate and a second partition plate are fixedly mounted in the box body from the top to bottom in sequence; a square cylinder is fixedly mounted on the back side of an inner cavity of the box body; bent plates are fixedly mounted between the top and the bottom of the inner cavity of the box body, and a plurality of cooling grooves are formed in the top of the square cylinder; an air inlet is formed in the left side of the box body and positioned in the first partition plate; and an air outlet is formed in the right side of the box body and positioned in the right side of the second partition plate. By setting the square cylinder and the multiple bent plates in the square cylinder, a plurality of bent channels are formed, so that the contact area between cold air andthe bent plates is relatively large, and the cooling efficiency is improved; then through the cooling grooves, the power equipment can be cooled by the cold air in an all-around manner, so that the cooling rate on the power equipment can be improved; and by adoption of the apparatus, the power equipment can be cooled efficiently and quickly, thereby facilitating safe and stable operation of the power equipment.

The invention discloses a radiotherapy system imaging quality control phantom guided by magnetic resonance. The diameters of a first cylindrical structure and a second cylindrical structure are 35 to45 cm so that the demand of the wide range imaging detection of a dedicated magnetic resonance radiotherapy simulation positioning system can be satisfied. The internal portion of a first portion is hollow, and wedge blocks are annularly arranged along the axis of a first cylindrical structure. A wedge structure is an entity material, is imaged in a magnetic resonance image and is used for testinga magnetic resonance system limit resolution. A test liquid fills the internal portion of a first portion. A third portion is an entity structure, and the internal portion is provided with several hole form grooves with unequal diameters and is filled with the test liquid so as to test the spatial resolution of a magnetic resonance system. The hollow square cylinders of a second portion and a fourth portion are used for testing the geometric distortion of the magnetic resonance system in the magnetic resonance image.

The invention discloses a solid-liquid separation inductive garbage can. The solid-liquid separation inductive garbage can comprises a solid-state garbage can and a liquid-state garbage can; the solid-state garbage can and the liquid-stage garbage can are both square cylinders opened at the upper ends; the bottom of the solid-state garbage can is clamped in the opened place at the upper end of the liquid-state garbage can; an inductive upper cover structure is arranged at the upper part of the solid-state garbage can; a filter hole area is arranged on a baseplate of the solid-state garbage can; multiple filter holes are uniformly distributed in the filter hole area; a liquid receiving hopper and a liquid storage bin are arranged in the liquid-state garbage can; an upper inlet of the liquid receiving hopper is corresponding to the filter hole area up and down; a lower outlet of the liquid receiving hopper communicates with the liquid storage bin through a connecting pipe; and a control valve is arranged on the connecting pipe. The solid-liquid separation inductive garbage can is simple in structure and convenient to operate, realizes separate storage of solid-state garbage and liquid-state garbage, reduces diffusion of peculiar smell, prevents the garbage in the can from directly exposing in human sight, and satisfies the modern home demands.

A novel binary vector nozzle is characterized in that it includes a circular rotating square cylinder, an outer wall, a swirling leaf structure, a shielding plate, a vector adjusting plate, a side wall, a connecting rod, an actuator, and a sealing block; Among them: the front end of the circular rotating square cylinder is connected with the engine as the supporting member of the entire nozzle; the vector adjustment mechanism is composed of a vector adjustment plate, a connecting rod and an actuator; the actuator is arranged on the side wall, and the front end is mechanically connected. It is connected to the outer wall of the side wall, and the rear end is connected to the connecting rod through the rotating pair; the front end of the vector adjustment plate is connected to the cylindrical surface of the rear end of the shielding fixed plate in rotation, and the left and right ends are installed in the slideway of the side wall; The rod drives the vector adjusting plate to realize the vector deflection of the nozzle. The invention has the advantages of ensuring the adjustment range of the throat area of ​​the conventional binary nozzle, making up for the defects of the conventional binary plug-type vector nozzle, and simultaneously having the advantages of small size, simple structure and easy integration with the fuselage.

The invention belongs to the technical field of aero-engine design, and particularly relates to a binary vectoring nozzle capable of achieving a rolling function. The binary vectoring nozzle comprisesa round-to-square cylinder, two side walls symmetrically arranged at the rear end of the round-to-square cylinder in parallel, two convergence adjusting sheets arranged at the rear end of the round-to-square cylinder and symmetrically distributed on the upper side and the lower side of the round-to-square cylinder, a throat adjusting mechanism used for driving the two convergence adjusting sheetsto rotate, a plurality of expansion adjusting pieces located between the two side walls and symmetrically distributed on the upper side and the lower side in the vertical direction, and an expansionsection adjusting mechanism used for driving the multiple expansion adjusting pieces on the upper side and the lower side to rotate around respective hinge points. According to the binary vectoring nozzle capable of achieving the rolling function, throat area adjustment and outlet area adjustment can be conducted, vectoring deflection within a large-angle range can be met, meanwhile, the defect that a conventional two-dimensional vectoring nozzle cannot generate rolling torque is overcome, the rolling function of the nozzle can be achieved, and meanwhile, the advantages of simple structure, high reliability and good invisibility are considered.