42results about How to "Not much space" patented technology

The invention belongs to the technical field of foundation pit supporting for high-rise buildings, in particular to a foundation pit support construction method combining horizontal rotary jet-grouting soil bolting and bore concrete piles, which includes steps: firstly, constructing water-stop mixed piles and bored concrete piles according to a preset foundation pit; and secondly, performing soil excavation and soil bolting layer by layer and section by section. The foundation pit support construction method has the advantages that the foundation pit support constructed by the method is high in deformation control performance and stability and especially applicable to projections with high requirements on foundation pit deformation, and the method is applicable to mega-area foundation pit supporting in soft soil areas with failure of using internal support structures, limited slope reduction conditions and excavation depth limited within 15m, and meets the requirement that development and utilization of urban underground space continue to develop.

The invention discloses a prestressed anchor foundation pit support and a construction method. The prestressed anchor foundation pit support is characterized in that inner anchoring section pouring quick setting and early-strength cement cartridge anchor agent are adopted during the construction of a prestressed anchor, early-strength cement is used for a gird, economic cement mortar is poured in a tensioning section, and anchor tensioning is achieved in such as way that a screw cap is screwed down with a torque wrench to be clocked. The construction method comprises the steps of anchor hole positioning, hole drilling, hole clearance, anchor fabrication, anchoring agent pouring into anchor hole, anchor installation, gird pouring, anchor tensioning, tensioning section pouring and construction monitoring. The invention has small space for the construction and operation, and is suitable for all topographic forms and sites. The inner support is replaced bythe anchor, thus the construction cost can be reduced, and the construction condition can be improved.

A disclosed low-temperature planetary high-energy bowl mill comprises a pedestal and a ball mill cylinder; the pedestal is provided with a revolution main shaft and a variable-frequency motor; an outlet of a cooling-liquid total input pipe aims at a liquid storage tank at the top of a multi-port flow-dividing head, and other ports at the bottom of the multi-port flow-dividing head are respectively connected with flow-dividing input pipes; the ball mill cylinder is composed of thermal-insulation tanks, ball mill tanks and puller barrels, one ball mill tank is disposed in one thermal-insulation tank, and one thermal-insulation tank is disposed in one puller barrel; the top cover of each thermal-insulation tank is provided with a gas vent, a top cover press ring is arranged on the corresponding top cover; the top of each puller barrel is connected with a crossbeam; one flow-dividing input pipe is sleeved by a compaction screw rod, and the compaction screw rod successively penetrates one corresponding crossbeam, one corresponding top cover press ring and one corresponding top cover and enters one corresponding thermal-insulation tank, and the bottom of the compaction screw rod is provided with a flow discharge port; and the variable-frequency motor drives the ball mill tanks to make planetary motion through a transmission device. The low-temperature planetary high-energy bowl mill is extremely good in cooling effect, and is capable of precisely efficiently conveniently preparing relatively small and passivated nano-particles or amorphous alloy powders in a saving way.

The present invention is to provide a back support plate, which is integrally formed of plastic and includes an upper portion with an inner-side having a vertical curvature and a horizontal curvature that respectively conform to the curvature of human thoracic vertebrae and a horizontal curvature of the human back corresponding in position to the thoracic vertebrae, and a lower portion with an inner-side having a vertical curvature and a horizontal curvature that respectively conform to the curvature of human lumbar vertebrae and a horizontal curvature of the human back corresponding in position to the lumbar vertebrae. The two inner-sides are protrudingly provided with a plurality of protruding knobs which correspond in position to two lateral sides of the thoracic and lumbar vertebrae and have upwardly and downwardly decreasing widths, respectively, such that the joining section between the two portions extends to the two lateral sides of the human back.

The present invention provides an improved and simplified method for preparing and merging mailings from two or more separate mailings. The method includes evaluating a plurality of bundles of mailings, and merging one or more of the bundles of mailings into at least one merged mailing. Each of the plurality of bundles of mailings is evaluated in regards to at least one evaluation characteristic to determine an optimal combination of bundles of mailings such that the merged mailing has an optimal value for the at least one evaluation characteristic. This method uses low cost equipment with a simplified process to combine multiple batches of mail to a single mailing onto pallets in a manner that provides for easy postal service verification of postage required. The primary benefit is a method to achieve the lowest cost when mailer preparation, copalletization, transportation and postage costs are considered.

An illuminating and air-conditioning assembly composed of a lampshade, an illuminating unit, and a ventilating unit. The lampshade is provided with a receiving space. The illuminating unit is mounted to the receiving space. The ventilating unit is also mounted to the receiving space. Therefore, illuminating and air-conditioning assembly includes the double features of illumination and auxiliary air-conditioning, takes less internal space, and enhances the comfort of the people located below the lampshade.

The invention discloses an automatic tying machine for tying crabs and a control method thereof. The automatic tying machine for tying crabs comprises a telescopic clamping jaw device, a fixed clamping jaw device, a sucker gripping device, a knotting and tying machine, a rotating sucker worktable and a hopper type collector. In use, a worker only needs to place crabs on suckers on the rotating sucker worktable, the crabs are firmly sucked by the vacuum suckers and are conveyed below the sucker gripping device by the rotating sucker worktable, and the crabs are placed between a telescopic clamping jaw and a fixed clamping jaw by the sucker gripping device; at the moment, the telescopic clamping jaw moves, and the crabs are fixed by the clamping jaws on the two sides; the knotting and tying machine begins tying the crabs and knotting, and then, the clamping jaws loosen; the sucker gripping device sucks the crabs, drives the crabs to rotate for 90 degrees, and then places down the crabs again; the clamping jaws firmly grip, and the knotting and tying machine ties the crabs and knots; and after tying and knotting are finished, a support carrier plate of the telescopic clamping jaw device retracts backwards under the control of an air cylinder, and the crabs tied in a crossed manner fall into the hopper type collector. The automatic tying machine for tying crabs is simple in structure and convenient to operate and reduces the labor intensity of workers.

The invention discloses a method for treating tobacco leaf processing waste gas and recovering spice. At a position in which the waste gas exhausted by tobacco curing and tobacco factory flows through, at least three adsorption layers spaced for certain distance are arranged between an air inlet and an air outlet; on each adsorption layer, anhydrous sodium sulfate, sponge, quartz sand, glass fiber, carbon fiber cotton, active carbon, macroporous resin, silica gel, calcium chloride and acetate fiber absorbent form recovery equipment; the absorbent is drawn out together with the adsorption layer; and an induced draft fan is arranged at the air outlet. According to the invention, various waste gases generated in tobacco leaf production are led into the recovery equipment; and when the gas flow passes through the equipment, the gas flow first goes through a dedusting net to leave various fine dust particles, and thus the dust pollution in production can be greatly reduced. Meanwhile, when the gas flows through the adsorption layer consisting of multiple absorbents, more than 15 small-molecular organic compounds are absorbed and then subjected to centralized treatment, useful substances are extracted, and atmospheric pollution caused by the organism discharge in production is avoided.

The invention provides a collapsible student desk for lunch break. The collapsible student desk comprises a desk board and a leg for supporting the desk board, a long board is vertically arranged at one side of the desk board, the leg includes connecting rods and a supporting frame, one ends of the connecting rods are fixedly connected with the desk board, and the other ends of the connecting rodsare rotatably connected with the supporting frame; and the connecting rods and the supporting frame form a table top when positioned in a first rotating fit manner, and form a bed surface when positioned in a second rotating fit manner. The collapsible student desk is folded to form the table top for learning and the bed surface for lunch break, realizes the learning and lunch break dual uses ofa desk only by designing the rotary connection between the connecting rods and the supporting frame, and can provide a position for the lunch break; and the collapsible student desk also has the advantages of simple structure, easiness manufacture and small occupied space.

The invention discloses an integrated power combustion device. The integrated power combustion device comprises a power combustor, a single-chip microcomputer, a gas device, a power adapter and an operation interface; an aerodynamic gas device is arranged on one side of the power combustor, and the other side of the power combustor is connected with the gas device; a fuel gas injection pipe, a gasinverted-cone-shaped fluid director, a mixed gas gathering device, a wave-shaped net, a fire spraying cover, an ignition device and a flame detection device are arranged in the power combustor; and the fuel gas device comprises a fuel gas pipeline, a fuel gas electromagnetic valve, a fuel gas pressure stabilizing valve and a fuel gas pressure sensor. Compared with the prior art, the integrated power combustion device has the advantages that the pressure of gas entering a house can be stabilized and balanced, flame is in a thin transparent sharp corner shape during burning, combustion productsof carbon monoxide, nitric oxide and carbon dioxide can be greatly reduced at the same time, the burning speed is high, the burning intensity and heat explosive power are high, time is saved, the energy-saving and low carbon effect is remarkable, the combustor is small in size, the requirement for high-heat-load firepower can be met, and the manufacturing cost of metal materials is saved.

The invention discloses a configuration method of an extensible interface structure. The method is suitable for a slot on an internal mainboard of the electronic device. The extensible interface structure comprises an adapter card module and a plurality of electric connecting pieces, the adapter card module comprises a main adapter card and a plurality of sub-adapter cards, and the main adapter card and the sub-adapter cards are respectively connected with the electric connecting pieces and are electrically connected with each other through the electric connecting pieces. The board-to-board stack type building block framework of the plurality of sub-adapter cards is connected by the main adapter card; according to the extensible interface structure, a traditional M.2 interface can be infinitely expanded; a plurality of interfaces are provided and can be continuously changed and combined, namely, the M.2 can be converted into a high-resolution multimedia interface or a serial digital interface and the like so as to achieve the purpose of elastic expansion; compared with a known M.2 adapter card, the extensible interface structure has the advantages that the extensible interface structure is light, thin, short and small, the occupied mechanism space is small, a product can be assisted to achieve miniaturization design, and the capacity of a memory and the capacity of a hard diskcan be effectively increased.

The invention belongs to the technical field of aviation manufacturing, and provides a center-outboard wing fuel delivery system pipeline airtight test device and method. The method comprises steps: two half pipe threads of a first split screw sleeve (03) and a second split screw sleeve (06) surround a flared tube of a tested product, close to a small boss, a thread plug cap (01) is connected withthe first split screw sleeve (03) and a thread plug (04) is connected with the second split screw sleeve (06); when an air source enters the input end thread plug (04) from a test bench, airtight test on the system pipeline can be carried out; and when not working, the threaded plug cap (01) and the first split screw sleeve (03) are separated and the thread plug (04) and the second split screw sleeve (06) are separated.

The invention discloses an air-cooled slag discharge pipe used for a small and medium size circulating fluidized bed boiler. The air-cooled slag discharge pipe used for the small and medium size circulating fluidized bed boiler comprises a slag discharge pipe main body mounted in an air chamber of a hearth, wherein the upper end of the slag discharge pipe main body is connected with an air distributing plate in the hearth; the lower end of the slag discharge pipe after stretching out of the air chamber is connected with an ash collection device; the air distributing plate is provided with multiple air caps around the sag discharge pipe main body; multiple air cap holes are arranged at the upper part of each air cap; an outer pipe is arranged at the outer part of the upper end of the slag discharge pipe main body; the outer pipe is connected with the upper end and the lower end of the slag discharge pipe main body through an upper annular plate and a lower annular plate; the lower annular plate is provided with multiple air inlet holes; and correspondingly, multiple air outlet holes are arranged on the pipe wall at the upper part of the slag discharge pipe main body. The air-cooled slag discharge pipe used for the small and medium size circulating fluidized bed boiler, disclosed by the invention, has the advantages of a simple structure, easy arrangement, low manufacturing cost, and a capability of efficiently preventing negative phenomena of deterioration of partial flow state around the slag discharge pipe.

The invention discloses a compact centrifugal fan which comprises a volute, a driving device and an impeller, the driving device is connected with the volute and the impeller, the impeller is rotatably installed in the volute, the volute is provided with an air inlet and an air outlet, the volute is fixedly connected with an anti-vortex ring, the anti-vortex ring is located in the volute, and the driving device is connected with the driving device. The whole anti-vortex ring is in a bent arc shape, the anti-vortex ring is located in the radial direction of the impeller, and an interval space is formed between the anti-vortex ring and the impeller. The volute has the beneficial effects that the influence of axial secondary flow on vortex is effectively weakened, the sound quality of the fan is ensured while the performance of the fan is considered, air in the volute flows more smoothly, the phenomena of surge, repeated flow fluctuation and violent shaking of the fan are effectively prevented, and the service life of the fan is prolonged. The device has the advantage that the phenomena of surge, repeated flow fluctuation and violent fan shaking can be prevented.

The invention discloses s degradable environment-friendly plastic and a preparation method thereof. Polycaprolactone, polyvinyl chloride and polylactic acid are used as main raw materials, nano-silicon dioxide with an anti-ultraviolet effect, a UV531 anti-ultraviolet agent, epoxy resin with a light stabilizing effect, a flame retardant talcum powder, a plasticizer, a coupling agent titanate and afiller nano-calcium carbonate are added, so the prepared environment-friendly plastic has excellent toughness, rigidity, flame retardant property and antibacterial property; and the environment-friendly plastic does not contain halogen ions, and polylactic acid is biodegradable, so the environment-friendly plastic has biodegradability and strong air permeability, and is finally converted into CO2and H2O under the metabolic action of microorganisms in soil, and the 25-day degradation rate of the environment-friendly plastic is 99-99.2 according to GB / T20197-2006 determination.

The invention provides an intelligent inspection robot walking mechanism which comprises a guide rail and a main body mechanism, the guide rail comprises an upper auxiliary mounting rail, a lower suspension rail and a connecting piece for connecting the upper auxiliary mounting rail and the lower suspension rail, the upper suspension rail is provided with two mounting grooves, guide wheel rails are arranged on the two sides of the lower suspension rail, and guide grooves are formed in the lower side of the lower suspension rail; the main body mechanism comprises a telescopic guide mechanism, the telescopic guide mechanism comprises a guide mechanism, a telescopic driving mechanism and a motor driving mechanism, the motor driving mechanism drives the guide mechanism and the telescopic driving mechanism to move, and the guide mechanism comprises an upper plate, guide wheel sets located on the two sides of the upper plate and a guide ball. The guide wheel set comprises a driving wheel, and the driving wheel is tightly attached to the guide wheel rail. The intelligent inspection robot walking mechanism is good in guidance quality, capable of being driven to stretch out and draw back, compact in overall structure, small in size, low in relative cost and wide in application range.

The invention discloses a bleaching method for improving fluffy degree of cyclamen grass , and belongs to the technical field of dry flower bleaching preparation. The method disclosed by the inventioncomprises the following steps: randomly selecting cyclamen grass, soaking the cyclamen grass in a mixed solution of sodium chlorite and concentrated hydrochloric acid, heating in a water bath to 40-60 DEG C, and soaking for 2.8-3.2 hours; cleaning the cyclamen grass with water, soaking the cleaned cyclamen grass in a hydrogen peroxide solution, and heating the soaked cyclamen grass in a water bath to 40-60 DEG C for 1.8-2.2 hours; and cleaning and quickly blow-drying by using hot air to obtain the cyclamen grass. The cyclamen grass prepared by the method is good in fluffy degree and uniform in color, and hair does not fall off in the bleaching process.

The invention discloses an automatic tying machine for tying crabs and a control method thereof. The automatic tying machine for tying crabs comprises a telescopic clamping jaw device, a fixed clamping jaw device, a sucker gripping device, a knotting and tying machine, a rotating sucker worktable and a hopper type collector. In use, a worker only needs to place crabs on suckers on the rotating sucker worktable, the crabs are firmly sucked by the vacuum suckers and are conveyed below the sucker gripping device by the rotating sucker worktable, and the crabs are placed between a telescopic clamping jaw and a fixed clamping jaw by the sucker gripping device; at the moment, the telescopic clamping jaw moves, and the crabs are fixed by the clamping jaws on the two sides; the knotting and tying machine begins tying the crabs and knotting, and then, the clamping jaws loosen; the sucker gripping device sucks the crabs, drives the crabs to rotate for 90 degrees, and then places down the crabs again; the clamping jaws firmly grip, and the knotting and tying machine ties the crabs and knots; and after tying and knotting are finished, a support carrier plate of the telescopic clamping jaw device retracts backwards under the control of an air cylinder, and the crabs tied in a crossed manner fall into the hopper type collector. The automatic tying machine for tying crabs is simple in structure and convenient to operate and reduces the labor intensity of workers.

An aircraft carrier shipborne aircraft electromagnetic rising and landing technology innovation scheme is provided; a controllable electromagnetic zone is arranged in a rear portion of an aircraft carrier flight-deck; a superconductive electromagnetic column matrix is arranged below the flight-deck, and a controller can start up or shut down an excitation generator so as to magnetize and degauss the electromagnetic zone; a winch and a reel of pure ferruginous crawler belt are added on the aircraft carrier shipborne aircraft, and the controller can automatically retract and retrieve the pure ferruginous crawler belt; when an aircraft carrier shipborne aircraft needs to land on the aircraft carrier deck, the aircraft carrier flight-deck can use the controller to start up the excitation generator so as to excite the electromagnetic column matrix; meanwhile, a pilot uses the controller to release the pure ferruginous crawler belt at a free falling speed, so the strong magnetic field can suck the crawler belt so as to stop the aircraft; when the aircraft carrier shipborne aircraft leaves the aircraft carrier, the aircraft firstly slides to the aircraft carrier deck strong magnetic zone, and the pure ferruginous crawler belt is laid and sucked by the strong magnetic deck; meanwhile, the aircraft speeds up in situ so as to reach the critical speed, and the magnetic field is degaussed so as to allow the aircraft to instantly lift off; the crawler belt is retrieved, and the hatch door is closed.

The invention provides a portable electric air supply breathing machine. The portable electric air supply breathing machine comprises a body, an upper cover and a battery bin door, an upper opening is formed in the upper portion of the body, the upper cover is used for sealing and covering the upper opening of the body, the upper cover is provided with a first connector communicating the interior of the body with a breathing tube, and second connectors used for being connected with filters are further arranged on the side of the body. A baffle is arranged in the body to divide the interior of the body into a first cavity and a second cavity which are independent, an air blower is installed in the first cavity, an air outlet of the air blower is connected with the first connector, the second cavity is used for containing a battery, power source contact point clamping grooves used for making contact with the battery so as to achieve energy supply are formed in the second cavity, the battery bin door is used for sealing and covering the second cavity so as to prevent the battery from being exposed, the battery bin door is detachably connected with the body, and the battery is replaced by opening the battery bin door.

The invention relates to a waist assisting robot. The waist assisting robot comprises a back skeleton, an outer shell accessory, a drive device and exoskeleton lower limb parts. The back skeleton andthe outer shell accessory are fixed to the human trunk through body binding, and flexible binding belts are mounted on the upper portion of a backrest frame. The outer shell accessory comprises a front shell, a rear shell and other parts. The drive device comprises a left drive device and a right drive device. The left drive device and the right drive device are fixed to the back skeleton correspondingly, the drive device is located on the two sides of the hip joint of the human body, and the lower limb parts are fixedly mounted on the left side and the right side of the drive device. The waist assisting robot has the beneficial effects that the structure is simple, the body weight is low, control is convenient, motion is flexible, the comfort is high, the waist assisting robot is easy towear, the robot provides mounting positions of the flexible binding belts of the trunk and the thighs, a user flexibly makes contact with the robot through binding devices, wear is easy, attachment istight, robot joints are coupled with human body joints, and good comfort is provided for the user.

The invention provides an intelligent inspection robot main body mechanism. The intelligent inspection robot main body mechanism comprises a guiding rail and a main body mechanism body; the guiding rail comprises a lower suspension rail, guiding wheel rails are arranged on the two sides of the lower suspension rail, and a guiding groove is formed in the lower side of the lower suspension rail; themain body mechanism body comprises a telescopic guiding mechanism, the telescopic guiding mechanism comprises a guiding mechanism body, a telescopic driving mechanism and a motor driving mechanism, and the motor driving mechanism drives the guiding mechanism body and the telescopic driving mechanism to move; and the guiding mechanism body comprises an upper plate, guiding wheel sets located on the two sides of the upper plate and guiding balls, each guiding wheel set comprises a driving wheel, the driving wheels are tightly attached to the guiding wheel rails, the guide balls are perpendicular to the driving wheels, and the upper ends of the guiding balls are clamped in the guiding groove and can rotate relative to the guiding groove. The intelligent inspection robot main body mechanism is good in guidance quality, capable of being driven to stretch out and draw back, very compact in overall structure, small in size, low in relative cost and wide in application range.

Utensil (1) for securing a roller (4a) track (4) to a frame structure of a goods conveyor installation, which comprises means (2,11a,11b,12a,12b) for fastening one end (3) of said track (4), and a base (5) for holding said fastening means (2,11a,11b,12a,12b), that is characterised in that it comprises a clamp (7) for securing said holding base (5) to the aforesaid structure, said clamp (7) being capable of surrounding said structure in order to secure said holding base (5) when said holding base (5) leans on the structure. The utensil presents the advantage of adapting to any size of the structure of the frame on which the track is supported.

The invention discloses a grouting method and device for adjacent gate roads in an internal staggered type dislocation coal mining method. In the internal staggered type dislocation coal mining method, a stope coal seam is a thick coal seam, an air return gate road of a stope face and an air inlet gate road of a driving face are not on the same level, the air return gate road of the stope face is arranged along a coal seam roof, the air inlet gate road of the driving face is arranged along a coal seam floor, and a height difference exists between the air return gate road of the stope face and the air inlet gate road of the driving face in the vertical direction; in the construction process, driving of the air inlet gate road of the driving face lags behind the air return gate road of the stope face by 180-200 m, that is, after the air return gate road of the stope face is stable, an air inlet gate road of a next working face is driven; and while a roadway is driven, the roadway needs to be punched and grouted, and grouting holes are arranged in a single row. According to the invention, multi-angle and all-directional grouting in the coal seam can be realized under a well, so that the grouting effect in the coal seam is more obvious; and under the condition that anchor rods are not additionally used, the reinforcing effect of the coal seam around the roadway is firmer.