292results about How to "Reasonable location" patented technology

The invention discloses a lower limb multi-training mode rehabilitation robot, which comprises a pedal drive mechanism, a knee and hip joint movement mechanism and a foot ankle joint movement mechanism. In the pedal drive mechanism, one end of a pedal shaft is connected with a pedal and the other end of the pedal shaft is connected with the leg knee and hip joint movement mechanism and the foot ankle joint movement mechanism. In the knee and hip joint movement mechanism, a connecting rod is fixedly connected with the end part of a middle shaft, the input end of an underdrive device is connected with a brake and a drive source and the output end of the underdrive device is connected with the middle shaft. The left and right sleeves of the foot ankle joint movement mechanism are driven by drive mechanisms which drive in opposite directions, an input drive mechanism is connected with a drive source, and the output drive mechanism is connected with the pedal shaft. In the device, the drive of the knee, hip and foot ankle joint movements around the same central line is realized, the real time control of the brake and the two drive sources is adopted to realize the passive, assisting, active and damping rehabilitation training modes of the six joints on the lower limbs of a patient, the structure is compact, the control is accurate, the operation is safe, and batch production can berealized easily.

The invention discloses an electric automobile wheel type driving control system based on hierarchical control. The electric automobile wheel type driving control system based on the hierarchical control comprises an integrated controller, hub motor rotation speed sensors, a vehicle vertical and horizontal acceleration sensor, a yaw velocity sensor, a steering wheel steering angle sensor, an electronic accelerating pedal, an electronic braking pedal, a GPS receiver, a power battery, a battery management system, hub motors, inverters, an SRAM memory, an external clock module and a liquid crystal display module; the integrated controller comprises an auxiliary module, an upper module, a middle module and a lower module; the auxiliary module is used for judging the motion state of an automobile and estimating road adhesion coefficient and state variable in the automobile running process; the upper module is in charge of estimating expected vehicle reference velocity and yaw velocity; themiddle module is used for calculating yawing moment and driving force of the automobile by using a sliding mode control method; and the lower module outputs the voltage values of the inverters to control the hub motors to rotate and synchronizes the rotation speeds of the hub motors during high speed linear running.

The invention relates to a transcatheter left atrial appendage plugging system. The system is composed of an inner plugging body, a connecting rod, a direction regulator and an outer plugging body, all of which are orderly arranged from the inner end to the outer end; the inner plugging body is provided with a mesh basket support and a first plugging film; the mesh basket support is formed by use of mesh basket wires and riveting hooks and protective balls are arranged on the mesh basket wires; the connecting rod is of a structure adjustable in length in the axial direction; the direction regulator is used for regulating the direction of the connecting rod; the outer plugging body is of a meshed hollow structure in a stand shape; the cross section of the outer plugging body is circular, while the longitudinal section of the outer plugging body is isosceles trapezoid-shaped; a second plugging film is arranged inside the outer plugging body; the first plugging film and the second plugging film both are microporous water-permeable films. According to the design ideal of inside plugging, the transcatheter left atrial appendage plugging system can be completely plugged without any residual cavity; the plugging system is suitable for the left atrial appendages different in shape and depth; besides, the plugging system is small in endothelialization area, steady in position after implantation and good in safety.

The invention discloses a routing method in a wireless sensor network, the wireless sensor network and node equipment based on the method. The routing method comprises the following steps: each node selects the nodes closer to the gateway than self from own neighbor nodes to form a candidate forward set; the node computes the payment equation value corresponding to each node in own candidate forward set; the neighbor node maximizing the payment equation value is selected as the next hop node; and after all the involved nodes select strategies, the route is established and data transmission is started. Based on the balance mechanism in the game theory, the invention can jointly optimize transmission reliability, network energy consumption and lifetime in the routing process and farthest save network energy consumption.

The invention discloses a water-rich weak surrounding rock long-and-big tunnel construction method. The method includes that a tunnel inclined shaft is arranged on one side of a main tunnel of a tunnel to be constructed, the main tunnel is divided into a tunnel entry section, a tunnel exit section and a middle connecting section connected between the tunnel entry section and the tunnel exit section, the middle connecting section is divided into an inclined shaft assisting construction entry section and an inclined shaft assisting construction exit section, and each of the tunnel entry section, the tunnel exit section, the inclined shaft assisting construction entry section and the inclined shaft assisting construction exit section is divided into multiple sections for construction. A construction method of each section includes: step 1, performing geological forecasting in advance, and when a debris flow formation exists ahead, entering a step 2, or else, entering a step 3; step 2, performing stability control construction; step 3, determining a primary supporting scheme; step 4, excavating the tunnel, and performing primary supporting construction; step 5, performing secondary lining construction on the tunnel. The water-rich weak surrounding rock long-big tunnel construction method is simple in step, reasonable in design, simple and convenient to construct, good in using effect, capable of meeting construction requirements of water-rich weak surrounding rock long-and-big tunnels, short in construction period and safe in construction process.

The invention discloses a disc brake with a permanent magnet parking brake mechanism and braking method for highway transportation vehicles. A main piston and a permanent magnet driving device are arranged in a cylinder body; when a manual brake is pulled, a magnetic circuit in a permanent magnet device is open; a magnetic field is generated nearby a conductor, and the conductor contacts with the shell of the permanent magnet device towards right, so that two pull rods are driven to generate displacement and driving a round wheel to rotate so as to push the main piston to move towards left to drive a brake block assembly to move towards left, thereby braking a brake disc to generate braking; and when the manual brake is released, the magnetic circuit in the permanent magnet device is closed, and the two pull rods and the round wheel return, so that the main piston moves towards right to return. In the invention, as the disc brake consists of the permanent magnet driving device and a mechanical mechanism, the braking security is enhanced, the fatigue strength of a driver is reduced, and no electric energy needs to be consumed.

The invention discloses a human STRtyper PCR enlarged fluoroscopic examination reagent kit with quick speed detecting, accuracy, good repeatability, good versatility, low price and practicality. The applicability of the reagent kit for Chinese is remarkable in particular. The serial products of the invention comprise the three following kits: (1) a STRtyper-20G kit with the largest STR gene locus of the global and most powerful recognizing ability; (2) a STRtyper-16GC kit which is more suitably used to build a criminal DNA database of Chinese population and identify the identity; (3) a STRtyper-10F / G kit with brand new STR gene locus. Each kit product comprises the component of 1.1 ml * 1 tube of STR PCR reaction mixture; 0.55 ml * 1 tube of STRtyper primer mixture; 120 microlitre * 1 tube of HS-Taq DNA polymerase; 0.3ml * 1 tube of STR control DNA; 50 microlitre * 1 tube of STRtyper allelomerphic gene mixture; 0.5 ml * 1 tube of internal standard; 30 microlitre* 1 tube of 310 spectrum correcting standard; 30 microlitre * 1 tube of 3100 spectrum correcting standard.

The invention discloses a rack for tunnel excavation and an adit construction method applying the rack. The rack is automatically controlled through a cable, construction accuracy can be improved, the moving range of the rack can be adjusted, and the rack is very suitable for adit construction. In addition, a device fixing apparatus is added on the rack, movement of a part of machines and tools is facilitated, the machines and tools can be used in the construction process at any time anywhere, and the working efficiency of the adit construction and construction effect can be remarkably improved. The adit construction method applying the rack is characterized by comprising the following steps of (a) construction preparation, (b) opening plane arrangement, (c) spoil area site selection, (d) protection and greening of a spoil area site, (e) opening excavation, (f) main tunnel first-stage construction, (g) rack assembly and (h) main tunnel second-stage construction. The main tunnel construction is performed in a two-stage mode, mutual reference can be achieved in the construction process, and project quality can be improved.

The electric vehicle charging station site selection method provided by the invention comprises the following steps: determining the number of to-be-built electric vehicle charging stations accordingto an input demand; determining a preliminary site selection result satisfying the number of the electric vehicle charging stations in the target area by using a density-based adaptive k-means algorithm and a floyd shortest path algorithm; and respectively calculating the total cost of the various preliminary site selection results, and determining the preliminary site selection result with the lowest total cost as the site selection result of the electric vehicle charging station. According to the method, the actual shortest distance can be calculated by adopting the floyd shortest path algorithm, and compared with the Euclidean distance calculated in the prior art, the actual shortest distance better conforms to the actual condition and has more practical significance, so that the site selection of the electric vehicle charging station can be more reasonably determined. The invention further provides an electric vehicle charging station site selection system and device and a computerreadable storage medium which all have the above beneficial effects.

The invention discloses a large-scale apparatus for synthesis of trichlorosilane in the form of tubular arrangement, the upper barrel diameter enlargement portion is a gas-solid separation section equipped with a discharge port, the intermediate section is a straight cartridge of reaction segment with an enveloping heating apparatus, the heating apparatus is provided with a silicon powder charging aperture on the upper portion, the bottom is connected with a lower sealing head, which is provided with a hydrogen chloride inlet port and a slag exit. A gas distributing plate is arranged above the hydrogen chloride inlet port on the bottom of the barrel reaction segment.

The invention provides a mechanical property parameter detection device of an in-vitro cornea. The mechanical property parameter detection device comprises an installation platform and a controller, wherein a cornea fixation mechanism, deformation quantity acquisition mechanisms and a deformation drive mechanism are arranged on the installation platform, each deformation quantity acquisition mechanism comprises a distance sensor and at least two high-speed cameras, an installation frame is vertically arranged on the installation platform, and each high-speed camera is provided with a rotation drive mechanism; the location plate of the distance sensor is further provided with a slide drive mechanism, and an angle adjustment mechanism; the cornea fixation mechanism comprises an accommodating cabin and a clamping mechanism, and the clamping mechanism comprises a lamination panel, a clamping unit and a drive unit. The mechanical property parameter detection device provided by the invention has the following beneficial effects that the number and the positions of the deformation quantity acquisition mechanisms are reasonably arranged, thus facilitating post-processing; the distance of the distance sensor relative to the accommodating cabin is randomly adjustable, and the height of the distance sensor is adjustable, thus guaranteeing alignment with the central position of the accommodating cabin; the angles of the high-speed cameras are adjustable, thus improving the detection accuracy.

The invention discloses a drainage construction method for a tunnel passing through a clastic rock steeply inclined reverse thrust water-rich fault. The drainage construction method is characterized in that a construction tunnel main cave is divided into a rear side tunnel section, a front side tunnel section and a middle portion tunnel section passing through the clastic rock steeply inclined reverse thrust water-rich fault, wherein a by-pass pilot tunnel and a drain cavern are formed in the same side of the construction tunnel main cave. When drainage construction is carried out in the construction tunnel main cave, the drainage construction method comprises the steps of: 1, carrying out preliminary excavation construction on the rear side tunnel section; 2, synchronously carrying out excavation construction on the rear side tunnel section and a drainage hole body of the drain cavern; 3, synchronously carrying out excavation construction on the rear side tunnel section, the drainagehole body of the drain cavern and a rear side by-pass pilot tunnel section; 4, and carrying out construction on the front portion drainage hole body, and synchronously carrying out construction on theby-pass pilot tunnel and the tunnel main cave. The drainage construction method provides a new construction working plane by means of the by-pass pilot tunnel, improves the working efficiency, provides the high-altitude drainage hole between the tunnel main cave and the by-pass pilot tunnel, can drain water embedded in the fault to the greatest extent, reduces water pressure in the fault in frontof a tunnel face, ensures safety construction of each tunnel face and can shorten the construction period.

The invention discloses a movable telescopic bus and a subway handrail, which comprises a rack straight rail and a brake box, wherein the rack straight rail is welded on the front and rear walls of the subway car, a slideway is arranged at the upper end of the rack straight rail, and a partition plate arranged horizontally is welded in the brake box. The utility model has the advantages that whenpassengers of different heights need different handrails, the handrails can be moved upward by pushing the handrails upward, and the handrails can be pulled downward by pressing the operating block; When the position of the handrail in the carriage is unreasonable, slightly push the handrail upward and pull the handrail to both sides, so that the position of the handrail can be moved, the positionof the handrail is more reasonable, and the handrail is convenient for passengers to use; When no one is using the armrest, the slight contact between the inner and outer friction plates prevents thebrake box from sliding relative to the rack rail. When the passenger pulls the armrest, the greater the downward pulling force on the armrest, the tighter the inner and outer friction plates are, andthe greater the frictional force is, so as to ensure that the armrest does not slip unnecessarily.

The invention relates to a manufacturing method for wheel-mounted brake discs. The manufacturing method includes the following steps that a casting device is manufactured; a mold core is manufactured; mold closing is conducted; smelting and pouring are conducted; mold dismantling, shakeout and cleaning are conducted; rough machining, heat treatment and finish machining are conducted on a casting; the two wheel-mounted braking discs are in butt joint and are integrally manufactured, and an integral casting is formed; and then the integral casting is separated into the two independent wheel-mounted braking discs. The invention further relates to a manufacturing device for the wheel-mounted brake discs. The manufacturing device comprises a casting system and a feeding system. The casting system comprises a sprue cup, a gate sprue, a cross gate, an ingate and a rectifying and filtering device. The feeding system comprises a dead head and a feeding patch. The manufacturing device further comprises the wheel-mounted braking disc I and the wheel-mounted braking disc II which are in butt joint to form the integral casting. By means of the manufacturing method and device, the problems of misrun, pores, cold shots and the like of the wheel-mounted braking discs due to accumulation of paint at the bottom of a rib plate are solved, the deformation problem is also solved, and size stability of the casting is facilitated.

The invention relates to an intelligent-protection-type dry-type air-core reactor which comprises a dry-type air-core reactor, a temperature sensor, a voltage transformer, a current transformer, a signal collecting device, an electromagnetic induction power supply and a protection control device, wherein the temperature sensor collects the partial temperature signal enveloped by the coil of the air-core reactor; the voltage transformer collects the voltage variation signal enveloped by the coil of a dry-type air-core reactor; the current transformer collects the current variation signal enveloped by the dry-type air-core reactor; the signal collecting device receives various real-time signals transmitted by a sensor, and converts each signal into the preset formatted data, and transmits the preset formatted data to the protection control device; and the protection control device receives the real-time data sent by the signal collecting device, and outputs corresponding control signals to a vacuum circuit breaker and a fan when the critical parameter value is achieved. The intelligent-protection-type dry-type air-core reactor provided by the invention can complete the monitoring of the own operation state in operation. The invention also comprises the control method of the dry-type air-core reactor.

The invention discloses a construction method for a tunnel passing through a high-angle thrust water-rich and sand-rich fault. The method comprises the steps: 1, performing the preliminary excavationand the supporting construction of a rear tunnel segment; 2, performing the synchronous excavation and the supporting construction of the rear tunnel segment and a water drainage hole body of a waterdrainage hole; 3, performing the synchronous excavation and the supporting construction of the rear tunnel segment, the water drainage hole body of the water drainage hole and a rear detouring headingsegment; 4, performing the excavation and the supporting construction of a front water drainage hole body, a front heating segment and a central tunnel segment; 5, performing the excavation and the supporting construction of a front tunnel segment. According to the invention, the water on the upper wall of the fault is drained through a high-level water drainage hole between a tunnel front hole and a detouring heading pit, and the auxiliary water drainage is performed through the detouring heading pit, and the fault condition in front of the tunnel face of the front hole can be explored in advance, thereby guaranteeing the construction safety of each tunnel face. The method employs the three-step method for the excavation of the tunnel front hole, employs double preliminary supporting structures for the full-section supporting after excavation, can guarantee the safety of the tunnel structure later, and shortens the construction cycle.

The invention discloses a surrounding rock reinforcement method for a junction tunnel section in an upper-soft lower-hard stratum constructed adopting a shield method and a mining method. The method comprises the steps that 1, tunnel face grouting reinforcement is carried out, specifically, grouting reinforcement is carried out on stratum in front of an excavation face of an upper tunnel body by adopting grouting pipes; 2, junction surface grouting reinforcement is carried out, specifically, grouting reinforcement is carried out on the reinforced stratum by adopting sleeve valve pipes; 3, tunnel arch part advanced support is carried out, specifically, advanced support is carried out on an arch part of the junction tunnel section; 4, grouting pipe removal is carried out; and 5, tunnel faceplugging is carried out, specifically, a tunnel face is plugged through concrete backfilling, and a tunnel face plugging structure is obtained. The method is reasonable in design, simple and convenient to construct and good in use effect, and surrounding rock of the junction tunnel section is effectively reinforced by the method of combining the surface grouting reinforcement with the in-tunnel reinforcement so that the mechanical property of the surrounding rock can be effectively improved; and the tunnel face of the junction tunnel section is reliably plugged before and after reinforcement so that tunnel safety construction can be effectively guaranteed, and ground settlement caused by excavation can be effectively reduced.

The invention discloses a test piece component for an III-type dynamic fracture toughness test of a fragile material and a test method. The test piece component comprises a test piece body with grooves and pressing heads propping against the test piece body, wherein the test piece body is a square planer block; the four grooves in same shape are formed in the test piece body; the grooves are respectively located at the positions of two symmetric lines of the test piece body planes on four side walls of the test piece body; the directions of the grooves are along the thickness direction and symmetric line direction of the test piece body; groove openings are extended into the test piece body and penetrated through the upper and lower planes of the test piece body; four pressing heads are in same shape and are in point contact with the test piece body plane; two pressing heads are symmetrically located on a same diagonal line of one lateral plate of the test piece body; the other two pressing heads are symmetrically located on another diagonal line of another lateral plate of the test piece body. According to the test method, the test piece component and a hopkinson pressure bar are used together for testing.

The invention discloses a deceleration and antiskid marked line suitable for an entrance and an exit sections of a tunnel, comprising a section of continuous longitudinal antiskid gage ed line respectively distributed at entrance of the tunnel and the exit of the tunnel along the direction of traffic, a plurality of deceleration marked line transversely distributed at intervals and distributed onthe section outside an entrance hole of the tunnel along the direction of traffic and a plurality of the deceleration marked line transversely distributed at intervals and distributed on the section in an exit hole of the tunnel along the direction of traffic. The antiskid marked line continuously extends to the hole from the outside of the hole and comprises a resin-based adhesive bottom layer directly coated on the road surface, an antiskid skeletal material wearable layer uniformly sprinkled on the resin-based adhesive bottom layer and a colored surface layer coated on the antiskid wearablelayer. The deceleration marked lines are in convex structures. The invention has reasonable design, convenient construction and good use effect, has excellent safety alert and anti-slip effect, and can effectively solve the problem of traffic safety of the entrance and exit sections of the tunnel.

The invention discloses a volume fracturing horizontal well segmented clustering method and device. The method comprises the following steps of determining each pre-selected segmentation point according to the segmentation number of a to-be-fractured section of a horizontal well; judging whether the variance of the fracturing potential value of each well logging point between every two adjacent pre-selected subsection points is smaller than or equal to a preset variance threshold value or not; if not, re-determining each pre-selected segmentation point; for each screened fracturing subsection,determining each pre-selected clustering point of the fracturing subsection according to the minimum cluster spacing and the maximum cluster spacing corresponding to the reservoir type of the fracturing subsection, and judging whether the average value of the fracturing potential values corresponding to the pre-selected clustering points is greater than or equal to a preset first average value threshold; if yes, determining each pre-selected clustering point as a clustering point of the fracturing subsection; and if not, re-determining each pre-selected clustering point of the fracturing subsection. According to the method, the sections to be fractured of the horizontal well to be subjected to volume fracturing can be reasonably clustered in a segmented mode, and the fracturing design canbe better guided.

The invention belongs to the technical field of radioactive sources used for transmitting dose values, and discloses a standard source for radioactive waste barrel segmenting gamma scanning device scales. The standard source comprises a waste barrel, tubes located in the waste barrel, source supports and radioactive source containers filled with gamma radioactive source; the source supports are locate in the tubes, the tubes are located in the waste barrel, the source supports are formed by connecting source support units sequentially from up to down, and the radioactive source containers filled with the gamma radioactive source are located in the source support units. The standard source is flexible in structure and convenient to store and transport, and is adaptable to radioactive waste barrel segmenting gamma scanning device scales with different matrixes.

The present invention discloses a plateau long tunnel multi-dead end ventilation construction method. A tunnel inclined shaft is disposed at one side of a main cave of a plateau long tunnel, a middle connection section of the main cave is an inclined shaft auxiliary construction section which is divided into an inclined shaft auxiliary construction entrance section and an inclined shaft auxiliary construction exit section, and the inclined shaft auxiliary construction exit section has a sudden surging point and intersects with derious parallel adits. The construction method comprises a first step of ventilator installation; and a second step of tunnel excavation construction, carrying out excavation construction on the inclined shaft auxiliary construction entrance section and the inclined shaft auxiliary construction exit section through the tunnel inclined shaft while carrying out excavation construction on a tunnel entrance section and a tunnel exit section, and assisting the excavation construction through the derious parallel adits while carrying out excavation construction on the inclined shaft auxiliary construction exit section. The method provided by the present invention is simple in procedure, reasonable in design, convenient to construct, excellent in ventilation effect, and capable of solving problems of a large amount of roadways requiring ventilation during a tunnel construction process, long ventilation distance and large difficulties in ventilation construction.

The invention discloses a navigation and communication equipment rack of a bicycle. The navigation and communication equipment rack comprises snap rings, a support plate, an anti-falling plate and a neck, wherein the snap rings are formed by oppositely splicing two semicircular rings, and are clamped on a faucet handlebar; the support plate is arranged above the snap rings; a semicylindrical flange is arranged on the front side surface of the support plate; a through hole is formed in the semicylindrical flange; the anti-falling plate is arranged at the front side of the support plate; and the neck is formed above the support plate, is a topless box structure, and comprises a baseplate, three baffle plates and two clamping plates. The navigation and communication equipment rack of the bicycle is simple and compact in structure; a connecting mode of the navigation and communication equipment rack with a bicycle faucet is stable and reliable; navigation and communication equipment can be put in or taken out from the neck by rotating the anti-falling plate, and is difficult to generate the vibrating dislocation in the neck; various navigation and communication equipment can be placed through replacing the necks with different sizes; and the position of the navigation and communication equipment rack is reasonable, so that the observation and the operation are convenient in the riding process.

The invention discloses an intelligent heat treatment production line. The intelligent heat treatment production line comprises an operation control center, a control cabinet system, a plurality of quenching furnaces and tempering furnaces, an automatic lifting type quenching tank, a transferring forklift, a nitrogen generation system, a cooling system, a waste gas purification system, a normalizing table, a feeding station and a discharging station, wherein the quenching furnaces, the tempering furnaces, the normalizing table, the feeding station and the discharging station are sequentially arranged in the same straight line; the automatic lifting type quenching tank is a sinking type quenching tank and is parallel to the quenching furnaces; the transferring forklift runs above the automatic lifting type quenching tank in the path parallel to the quenching furnaces and the tempering furnaces; the nitrogen generation system communicates with the quenching furnaces through pipelines; the cooling system comprises a plurality of cooling towers communicating with the automatic lifting type quenching tank through pipelines; the waste gas purification system communicates with the quenching furnaces, the tempering furnaces and the automatic lifting type quenching tank through waste gas collecting ducts; and the operation control center and the control cabinet system are used for controlling operation of the whole heat treatment production line.

The invention discloses a demolition construction method for an overpass existing line arch bridge. The demolition construction method comprises the steps: 1, erecting a protective shed frame; 2, carrying out static crushing demolition on the arch blasting demolition structure; 3, manually removing the blasting protection layer; 4, cutting the removed arch ring; 5, hoisting the arch ring to be hoisted; and 6, dismantling the under-arch structure. The method is simple, reasonable in design, easy and convenient to construct and good in using effect; the protection shed frames fixed to the frontside and the rear side of the removed arch bridge are adopted for effective protection, meanwhile, the structure on the arch of the removed arch bridge is removed in the mode that static crushing andmanual chiseling are combined, it is guaranteed that a plain concrete arch ring cannot be damaged in the static crushing process, and an existing spanned railway line cannot be disturbed. After the arch ring is exposed, the removed arch ring is cut and decomposed through a rope saw and then hoisted and removed, then the under-arch structures on the left side and the right side are rapidly removed,the construction period can be effectively shortened, the arch bridge removing efficiency is improved, and the removing process is safe and reliable.

The invention relates to a fixing and connecting method for corrosion-resistance water floating matter interception system anchor piles. The method comprises the following steps: fixed anchor piles are fixed in an underwater fixed point; connecting columns are downwards connected to the fixed anchor piles and upwards connected to lower outlines and upper outlines; the upper outlines are connectedat the tops of buoys; the buoys are fixed between the upper outlines and the lower outlines to achieve a floating effect of interception net bodies to easily take away from the water surface to adjustan interception position; the interception net bodies are bolted to the lower outlines after coating the upper outlines and the buoys; the lower outlines are connected to the bottoms of the buoys, are hooked with the interception net bodies, and are connected with net body bottom outlines and anchor outlines; and the bottom outlines are used for unfolding the interception net bodies and always keeping in a relative perpendicular state in water. The method is high in fixed-point interception stability; the interception net bodies can be tidily distributed on an appointed line; the bolted positions and modes of the anchor outlines are reasonable to achieve good interception effect; and through satellite navigation, the distance positioning is more precise, and the wrong report rate can be greatly reduced.

The invention discloses a multistage cantilever compressor. The multistage cantilever compressor comprises a shell, a plurality of impellers and a motor. A plurality of compression cavities are formed in the shell which is provided with an inlet and an outlet, the forefront compression cavity is communicated with the outside through the inlet, and the hindmost compression cavity is communicated with the outside through the outlet. The plurality of impellers are correspondingly and rotatably arranged in the plurality of compression cavities, each impeller is internally provided with an air passage, and the air passages of the impellers are communicated. The motor is arranged on the shell and comprises a stator and a rotor, the front portion of the rotor is rotatably supported on the shell and respectively connected with the plurality of impellers to enable the motor to drive the impellers to rotate, and the rear portion of the rotor is rotatably suspended in the stator. The multistage cantilever compressor has the advantages of high circulation efficiency, simple structure, simplicity in assembly, low cost and the like.

The present invention relates to a rind of integrated dwelling house. It is characterized by that all the toilets and kitchen are centrally-arranged in one side of said dwelling house and formed into a toilet and kitchen combined zone, and other rooms and centrally-arranged in another side of said dwelling house so as to form a living combined body.

The invention provides an end cover pipe opening rolling matching device, particularly relates to a device for automatically matching and picking end cover pipe openings by mainly using an aligning mechanism, a feeding mechanism and a picking mechanism and belongs to the field of automatic assembly equipment of assembly lines. The device is capable of automatically assembling and picking end covers and sleeves between parallel assemble lines with inconsistent height and inconsistent ends, is free of manual work, high in assembling efficiency and high in circular assembling quantity in each time; the aligning mechanism is used for ordering before matching and after matching; the feeding mechanism is capable of achieving ordered feeding and semi-matching of the sleeves; a rolling and pressing mechanism is capable of achieving complete matching and pressing of workpieces; the picking mechanism is used for freely picking between the parallel assembly lines.