262results about How to "Flexible length adjustment" patented technology

The invention discloses a method for lifting and installing a whole bridge arch rib. The method includes the following steps of dividing the arch rib into two side arch rib bodies and a middle arch rib body, splicing the side arch rib bodies on a wharf, hoisting the side arch rib bodies to a set position through a floating hoist, erecting a side supporting system and a lifting portal, installing a lifting system, splicing a middle supporting system below the design position of the middle arch rib body, installing the middle arch rib on the upper face of the middle supporting system, arranging a temporary beam at the bottom of an arch foot of the middle arch rib body, arranging a temporary horizontal rope between the two ends of the arch foot, correspondingly connecting the lifting system with the temporary beam, and lifting, horizontally moving, putting down, putting in position, folding and installing the whole middle arch rib body. By means of the method, the requirements for installation quality and precision of the large-span arch rib bridge can be met, section lengths can be flexibly adjusted, section manufacturing quality is optimized, and section in-situ precision is improved.

The invention discloses an electromagnetic force feedback type puncture operation control system. The system comprises a puncture needle device and a force feedback-type control device; an electric push rod is mounted on a robot through a connecting flange; a needle holding part comprises a connecting assembly and a puncture needle telescopic protective sleeve, the connecting assembly is connectedto a sliding block of the electric push rod, the puncture needle telescopic protective sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is detachably connected to the connectingassembly, and the inner sleeve is telescopically sleeved by the outer sleeve; the tip of a puncture needle extends out of the inner sleeve; the force feedback-type control device comprises a controlhandle, a force feedback assembly and a main controller, an operating rod of the control handle is rotatably or slidably mounted on a base, and a travel switch touched by the operating rod is arrangedon the base; and the force feedback assembly comprises an electromagnet and a force measuring sensor used for detecting resistance borne by the puncture needle, the operating rod is fixedly connectedto a magnet, and the magnet is located within the magnetic field induction range of the electromagnet. The invention further provides robot puncture equipment.

The invention belongs to the field of emergency tools applied to mechanical telescopic equipment, and particularly relates to a synchronous belt telescopic type feeding emergency bridge and a use method thereof. The synchronous belt telescopic type feeding emergency bridge comprises two linear synchronous belt telescopic devices arranged side by side; each linear synchronous belt telescopic device comprises a roll, a conveying wheel and a telescopic arm, wherein the roll and the conveying wheel are connected with a drive device and arranged at the bottom end of the telescopic arm, the roll is wound with a synchronous belt, the front end of the synchronous belt is connected with the front end of the telescopic arm, the synchronous belt is arranged along the arm body of the telescopic arm, the conveying wheel is arranged at an outlet of the synchronous belt on the roll and used for driving the synchronous belt to extend out, and then the telescopic arm is driven to extend; and bridge plates are connected between the telescopic arms of the two linear synchronous belt telescopic devices and arranged at the front ends of all sections of the telescopic arms. The synchronous belt telescopic type feeding emergency bridge is good in coordination, low in site requirement and convenient to use.

The invention discloses an intelligent acquisition device for underground water detection and an acquisition method thereof. The device comprises a water taking mechanism, a water storage mechanism and a winding mechanism, wherein the water storage mechanism is arranged on one side of the water taking mechanism; and the winding mechanism is arranged on the side, which is away from the water storage mechanism, of the water taking mechanism. The device has the beneficial effects that through the arrangement of the winding mechanism, it is convenient to clean a water pipe, the water pipe can be regularly arranged, the collection and storage of the water pipe are facilitated, the water pipe is prevented from being damaged by folding, and the service life of the water pipe is prolonged; throughthe arrangement of a flow meter, the amount of collected water can be detected conveniently; through the arrangement of an adjusting lead screw and a positioning clamping plate, the device can be suitable for underground water collection of various well diameters and environments under the action of the adjusting lead screw; and through the arrangement of a meter counter, the length of the waterconveying pipe can be flexibly adjusted for the water pipe, and underground water of different depths can be conveniently and automatically collected.

The invention discloses an anti-skid tripod for an optical mapping instrument. The anti-skid tripod comprises an instrument containing table, a containing table connecting piece and a main support; the instrument containing table is connected with the main support through the containing table connecting piece; three lateral supports are connected to the upper portion of the main support through connecting rods, and foot pads are arranged at the bottoms of the lateral supports; each foot pad comprises a foot pad body and a foot pad connecting piece, and a spherical chamber is arranged in each foot pad body; and a spherical connecting part matched with each spherical chamber is arranged at one end of the corresponding foot pad connecting piece, and the other end of each foot pad connecting piece is connected with the end, far away from the main support, of each lateral support. The anti-skid tripod is stable in performance, simple in structure and convenient and rapid to use; the problem that an existing tripod is likely to skid so that the instrument can be damaged is solved; and the falling risk of the mapping instrument is reduced.

The invention discloses an intelligent control oxygen-enriched firing system for a kiln. The intelligent control oxygen-enriched firing system for the kiln comprises an oxygen-enriched system, an oxygen-enriched burner, a temperature measurement and analysis system, a firing expert optimization system and an intelligent control system. According to the intelligent control oxygen-enriched firing system for the kiln, the oxygen enrichment is produced and provided by a special oxygen-enriched system; the novel oxygen-enriched burner is adopted; according to different coal powder types, coal powder amount and grinding granularity of a kiln system, the shapes and temperature distribution of flames are obtained by the accurate temperature measurement and analysis system, all on-site actual thermal parameters and on-site states of the kiln are combined, the system analysis and the prediction and judgment are carried out by the firing expert optimization system, and the intelligent regulationand dynamic matching of the special oxygen-enriched system are controlled by the intelligent control system, so that the optimal operation state of the firing system of the kiln is kept, the efficientand stable burning of coal powder in the oxygen-enriched burner is realized, the consumption of the coal powder is reduced, the quality of burned materials is improved, the generation and emission ofNOx are effectively reduced, meanwhile, the fluctuation of the kiln system caused by the debugging experience and level difference of operators is reduced, and the normal and stable operation of thekiln system is guaranteed.

The invention relates to a foundation reinforcement and protection method for a telegraph pole near a deep foundation pit. The foundation reinforcement and protection method comprises the following steps that S1 high-pressure jet grouting piles are driven into the side, near the foundation pit, of the telegraph pole in the direction of an underground wall; S2 a plurality of steel channels are inserted into the high-pressure jet grouting piles; S3 a plurality of steel channels are driven into the two sides of the telegraph pole perpendicular to the direction of the underground wall, and the steel channels on the three sides surround the three sides of the telegraph pole; S4 steel purlins are arranged on the outer sides of the steel channels, and the steel purlins and the steel channels are welded into a whole. The method that the high-pressure jet grouting piles and the steel channels are used for reinforcing the foundation of the telegraph pole is adopted, so that the safety of the telegraph pole and constructors in the excavation process of the foundation pit is guaranteed without the lengthy procedures of removing the telegraph pole of an electric power department; construction progress is accelerated; cost is reduced; in addition, the method is flexible and suitable for various different construction conditions.

The invention discloses a polyarylenesulfidesulfone/polyethersulfone copolymer and a preparation method thereof. The method is characterized by comprising the following steps of: adding 143.5-272.65 parts of 4,4'-dichlorodiphenyl sulfone, 65.00-123.5 parts of sodium sulfide, 0.2-10 parts of sodium hydroxide, 0.5-20 parts of catalyst and 200-860 parts of solvent into a reactor; in the protection of nitrogen, performing dehydration reaction at 140-198 DEG C for 0.5-3 hours to generate a prepolymer of polyarylenesulfidesulfone; cooling to 100-140 DEG C and storing; adding 14.35-143.5 parts of 4,4'-dichlorodiphenyl sulfone, 5.5-176 parts of diphenol monomer, 7-100 parts of potassium carbonate, 40-600 parts of solvent and 26-100 parts of dehydrating agent into a reactor; in the protection of nitrogen, performing dehydration reaction at 145-180 DEG C for 10-12 hours to generate a prepolymer of polyethersulfone; cooling to 90-160 DEG C and storing; mixing the prepolymer of polyarylenesulfidesulfone and the prepolymer of polyethersulfone; heating to 140-200 DEG C and reacting for 4-12 hours; and reacting at 166-230 DEG C for 3-8 hours to obtain the polyarylenesulfidesulfone/polyethersulfone copolymer.

The invention provides a device system and preparation technology for preparing a submicron material through a continuous hydrothermal method. The device system comprises burdening kettles, a preheater, a first crystallizer and a second crystallizer. The first burdening kettle is communicated with the first crystallizer through a first feeding pump and the preheater, and the second burdening kettle is communicated with the first crystallizer through a second feeding pump. The first crystallizer is communicated with the second crystallizer, a discharging opening of the second crystallizer is communicated with an inlet of a heat exchanger, one outlet of the heat exchanger is communicated with an outer circulating unit and then communicated with an inlet of the second crystallizer, and the other outlet of the heat exchanger is communicated with an aftertreatment unit and a slurry collector. The first crystallizer is a tubular reaction crystallizer, and the second crystallizer is a continuous crystallizer. The device system is adopted in the preparation technology. According to the device system and preparation technology, the device cost is low, meanwhile, the submicron material with even particle size distribution and the high degree of crystallinity can be prepared continuously, and the device system and preparation technology are suitable for industrial production.

The invention provides a water level wireless telemetering flow monitoring terminal. The monitoring terminal comprises a support, a monitoring terminal and side legs; the support is of a cylindrical structure, and an electric cabinet and the monitoring terminal are mounted at an upper portion of the support through a hoop; the electric cabinet is located above the monitoring terminal; and a photovoltaic cell panel bracket is arranged above the electric cabinet in a welding mode. The improved water level wireless telemetering monitoring device has the advantages that the structural design is reasonable, the power support is provided for the monitoring terminal in a wind power generation and solar power generation complementary mode, the influence on the power generation equipment by the weather and environment is reduced, the overall length of a telescopic rod can be flexibly adjusted through expansion and contraction, the wireless telemetering flow monitoring device is suitable for different installation places, the supporting angles of the side legs can be flexibly adjusted through sliding of a sliding seat, and the installation requirements at different installation points are met, thereby effectively solving the problems and defects in the existing device

The invention relates to a semicircular stator winder and a winding method thereof. The semicircular stator winder comprises a rack and a rotating mechanism, a winding mechanism, a positioning mechanism, a wire clamping mechanism and a wire cutting mechanism which are installed on the track. A winding body is installed on the rack. One side of the winding body is provided with the driving part of the rotating mechanism, and the other side is provided with the rotating part of the rotating mechanism. The winding mechanism is driven by the rotating part. The winding body is driven by a horizontal movement mechanism. A rotating disc is installed on the table surface of the rack. The rotating disc is driven by a rotating disc motor installed on the rack. The positioning mechanism and the wire clamping mechanism are installed on the rotating disc. The advantages of the semicircular stator winder and the winding method thereof are that the winding mode that the middle slot is wound firstly and then the slots of the two sides are wound is adopted by the semicircular stator winder, the head and tail wire residues can be reliably ensured not to be wound in the adjacent slots through the arranged protective plate, and the positioning mechanism, the winding mechanism, the wire clamping mechanism and the wire cutting mechanism are arranged so that the length of the head and tail wire residues can be flexibly adjusted.

The invention provides a bionic transformation link robot based on electroactive polymers. The bionic transformation link robot comprises multiple longitudinal muscles and circular muscles, wherein the longitudinal muscles and the circular muscles are sequentially connected. Four extension parts are arranged at the four corners of each longitudinal muscle, the extension parts are connected with the circular muscles on the two sides of the longitudinal muscles, and a set of bristles and a set of balance weights are fixed to the two sides of each circular muscle. One longitudinal muscle and one circular muscle are added to any section, one link can be added, and the length of the bionic transformation link robot can be flexibly controlled through repeated increase and decrease. The motion mode of earthworms is simulated, high voltages with the same period and different phases are added to the longitudinal muscle and the circular muscle of each link respectively, when the friction force between one circular muscle and the ground is largest, the friction force between the other circular muscle and the ground is smallest, meanwhile, the longitudinal muscles longitudinally extend, and the aim of moving the link robot in the fixing direction is achieved.

The invention discloses an extensible antislip clothes hanger, and belongs to the technical field of articles for daily use. The extensible antislip clothes hanger comprises a hook and a triangular clothes hanger body connected with the hook. The clothes hanger body is formed by connection of a left shoulder hanger, a right shoulder hanger and a transverse rod. The hook is connected with the clothes hanger body through a connecting rod. The extensible antislip clothes hanger is characterized in that at least one elastic fastening strip is arranged on the clothes hanger body, and the connecting rod is composed of an upper connecting rod, a lower connecting rod and a screw; one end of the upper connecting rod is fixedly connected with the hook, the other end of the upper connecting rod is provided with a cavity, and an inner thread is arranged on the inner wall of the cavity; one end of the lower connecting rod is fixedly connected with the clothes hanger body, the other end of the lower connecting rod is provided with a cavity, and an inner thread is arranged on the inner wall of the cavity; two ends of the screw are screwed in the cavities of the upper connecting rod and the lower connecting rod respectively, and are connected with the upper connecting rod and the lower connecting rod through an outer thread on the screw and the inner threads on the inner walls of the cavities. The extensible antislip clothes hanger is reasonable in structural design, convenient and reliable to use, low in production cost, good in use effect, capable of preventing clothes from slipping from itself and flexibly adjusting its own length and broad in market prospect.

The invention discloses a traction type bridge deviation rectifying device and a construction method thereof. The traction type bridge deviation rectifying device comprises a base used for providing a counter force, a traction module used for providing a deviation rectifying load, a traction cable used for transmitting the load, a deconcentrator, a hoop cable, a hoop and a monitoring module. The path of the traction cable can be adjusted according to actual site conditions, the installation position is flexibly arranged, the device is small in size and flexible and rapid to install and use, deviation rectification load transmission can be achieved by crossing site obstacles, and the device is suitable for rapid emergency rescue or bridges with limited surrounding sites. And the hoop can adapt to variables such as different sizes and shapes of a bearing platform, and can effectively and uniformly transmit the deviation rectification load to the bearing platform, so that a set of complete assembly type universalization device is integrally formed, and a brand-new thought is provided for bridge deviation rectification.

The invention belongs to the technical field of sheep feeding, and particularly relates to a breeding production system for sheep. Specifically, feed is uniformly stirred by a feed mixer, and a discharge port, a sending conveyer belt and a feeding conveyer belt are started through a controller; the feed passes through the sending conveyer belt and is guided and conveyed to the feeding conveyer belt through a feed diverter; when the feed is conveyed to the tail end of the feeding conveyer belt, the controller is turned off, and feed conveying is completed. A door fence of a sheep house is lifted through the action of a crowbar, at the time, a fence at a feeding walkway descends and is closed under the action of the crowbar, and animals reach the front portion of the feeding conveyer belt through the feeding walkway; then, the crowbar is controlled to close the door fence and lift the fence, at the time, the door fence at the sheep house descends and is closed, and the animals stretch heads into the surface of the feeding conveyer belt to eat feed. The problem that the feed is easy to gather when a feed path is turned, and the feed efficient transportation function and the efficientventilation effect of the environment in the sheep house are achieved on the premise that the transportation face is the same plane.

The invention discloses a leaning type safe light and convenient vehicle for people to pick and husk Chinese chestnuts. The leaning type safe light and convenient vehicle for people to pick and husk the Chinese chestnuts comprises a leaning type movable mechanism, a husking mechanism, a flexible telescopic gliding module, a wrapping type telescopic grabbing and picking mechanism and a detachable loading vehicle, wherein the husking mechanism is arranged on the leaning type movable mechanism; the wrapping type telescopic grabbing and picking mechanism is arranged on the leaning type movable mechanism; one end of the flexible telescopic gliding module is arranged on the wrapping type telescopic grabbing and picking mechanism; the other end of the flexible telescopic gliding module is arranged on the husking mechanism; and the detachable loading vehicle is detachably arranged at the rear end of the leaning type movable mechanism. The invention belongs to the field of farm tools, particularly, by the leaning type safe light and convenient vehicle for people to pick and husk the Chinese chestnut, the practicality is high, people pick the Chinese chestnuts comfortably, the working efficiency is improved, the labor intensity is reduced, the problems that people who pick the Chinese chestnuts easily suffer from cervical diseases when looking up to observe the Chinese chestnuts, and theChinese chestnuts are difficult to pick due to over-high Chinese chestnut trees are solved, and husks of the Chinese chestnuts are automatically and nondestructively removed.

The invention discloses a submersible searchlight comprising a submersible cylinder, a view window, a search window and a light-emitting component. The submersible cylinder comprises a view cylinder, a telescopic cylinder and a search cylinder communicated with one another in order; the search cylinder is in an L-shaped bent tubular structure; the search cylinder comprises a first submersible sub-cylinder and a second submersible sub-cylinder communicated with each other; a first reflector is disposed at a bend of the search cylinder; the view cylinder can axially slide relative to the telescopic cylinder; the second submersible sub-cylinder can peripherally rotate relative to the telescopic cylinder; the view widow is hermetically disposed at one end of the view cylinder; the search window is hermetically disposed at one end of the first submersible sub-cylinder; the light-emitting component emits light which passes through the first reflector and the search window and arrives at a search object; light reflected from the search object sequentially passes the search window, the first reflector and the view window and arrives at eyes of a viewer. When using the submersible search light, a searcher need not dive; the length of the submersible cylinder can be flexibly adjusted according to the depth of the search object, and the search direction of the search cylinder is changeable.

Disclosed are a reusable reinforced concrete composite pile available for on-load segmental disassembly and a construction method of the reusable reinforced concrete composite pile available for on-load segmental disassembly. The reusable reinforced concrete composite pile comprises a lower reinforced concrete pile body and an upper steel box structured pile body. The upper steel box structured pile body is composed of unit steel boxes. Segmental alternate stressing of a bearing face of the top unit steel box is realized by the aid of two jack sets, so that the pile body can be segmentally disassembled under the continuous on-load stressed condition, and variability of top load stress elevation is realized. The upper steel box combined pile body is connected through bolts under protection, so that disassembly and reuse of steel box units are facilitated.