753results about How to "Structural science" patented technology

The invention relates to a measuring device and a measuring method for geometric parameters of an inner wall of an elbow, belonging to the testing instrument and meter field. The measuring device is provided with three motional freedom degrees and one rotational freedom degree, a measuring pin is installed at the tail end of a measuring arm for measuring overhanging and can rotate around the axle center of the measuring arm, and the pivot angle of the measuring pin can be manually regulated. In the measuring method for the geometric parameters of the elbow, the inner diameter and the bending radius of the elbow are measured by the measuring device, and the measuring process sequentially comprises the following steps: determining the center line plane of the elbow, measuring the bending radius and measuring the inner diameter of the elbow. The measuring method solves the problem on the measurement of the geometric parameters of the inner cavity of the elbow, and no locating surface needs to be additionally arranged in the measuring process, thus the invention achieves a large caliber application scope, and is especially applicable to occasions having higher requirements for the measurement accuracy of the geometric parameters of the elbow.

The invention relates to a curvature detection device and method for a drill rod. The device comprises a drill rod clamping part, a sensor transmission part and a control and operation part, wherein a three-jaw chuck, a V-shaped block and a stepping motor A are arranged on the drill rod clamping part; the three-jaw chuck is used for clamping one end of the drill rod, and the other end of the drill rod is placed on the V-shaped block; a 2D (two-dimensional) laser sensor and a stepping motor B are arranged on the sensor transmission part; the control and operation part comprises a single-chip microcomputer and a host. The detection method comprises the following steps: acquiring the three-dimensional coordinate information of hemi-profile data points of a plurality of sections of the drill rod by using the 2D laser sensor; processing and calculating a section central point through the host, and fitting the central lines of n sections; determining the maximum curvature and coordinate value of a maximum bending point, comparing with the curvature limit value of the drill rod, judging whether the curvature of the drill rod is qualified or not, and providing a judgment result for a user. The device is scientific in structure, the detection method is simple, the curvature information of the drill rod can be obtained efficiently and accurately, and technical support is provided for the increase of the production accuracy of the drill rod.

The invention discloses a hot-blast stove of a biomass energy source, comprising a flame bridge, a stove door, a shell, a smoke outlet, a feeding door, a burning bin and a fuel bin. The hot-blast stove of the biomass energy source is characterized in the shell is internally provided with a liner; the liner is internally provided with the flame bridge, the fuel bin, the burning bin, a heat transfer device and the smoke outlet from bottom to top; the lower part of the shell is provided with a cold air inlet; the outlet of a blower is connected with a cold air inlet; the inner wall of the shell and the outer wall of the liner form a cold air cavity; the inner wall of the liner and the outer walls of the heat transfer device, the burning bin and the fuel bin form a hot air cavity; an air inlet of the liner is arranged on the wall of the upper part of the liner, and a hot air outlet is arranged on the wall of the lower part of the liner; and the burning bin is provided with a feeding port, and the feeding door is arranged at the feeding port. The hot-blast stove has the advantages of scientific, reasonable, smart and flexible structure, convenient moving and higher heat utilization rate; the hot-blast stove is particularly suitable for roasting foxtail millet, maize and wheat in village by using the high-temperature hot air, has no mildewing and is economic and environment-friendly, thereby having promotional value.

The invention relates to a reverse osmosis water producer, a reverse osmosis water production method and a method for cleaning and maintaining the reverse osmosis water producer. The reverse osmosis water producer comprises a preprocessing system, a reverse osmosis filtration system, a mixing system, a cleaning system, an immersion maintenance system and a finished product accumulating system, wherein the preprocessing system comprises a priming pump, a preprocessing water inlet pipeline, a reverse flushing pipeline and preprocessing filtration facilities, the reverse osmosis filtration system comprises a high-pressure pump, a reverse osmosis membrane filter, a water production pipeline and a discharge pipeline, the mixing system comprises a buffering water accumulation tank, a pressurizing pump and a mixing pipeline, the cleaning system comprises a cleaning tank, a cleaning pipeline and a circulation pump, the immersion maintenance system comprises an immersion maintenance tank, an immersion maintenance pipeline and a pressure difference check pipeline, the volume of the buffering water accumulation tank is larger than that of the cleaning tank, and the volume of the cleaning tank is larger than that of the immersion maintenance tank. The invention has reasonable design, scientific structure, compact arrangement, integrated technology, good water quality, convenient and effective maintenance, low price, safety and convenience.

A medical needle for treating tumor by alternative freezing and heating is composed of internal and external tubes, ttemp sampling unit, shielded single-core line, temp signal output line, insulating vacuum layer, and hand-held external sleeve layer.

The invention discloses a biological response system for multistage sewage treatment as well as a manufacturing method and a sewage treatment method. The biological response system is formed by connecting a multistage precipitation pretreatment unit, a multistage hydrolysis and acidizing treatment unit, an aeration oxygenation treatment unit and a multistage undercurrent wetland treatment unit through pipelines; the multistage undercurrent wetland treatment unit comprises a water inlet wetland pool, two groups of decomposition and percolation wetland pools and a water outlet wetland pool which are sequentially arrayed; and the multistage precipitation pretreatment unit, the multistage hydrolysis and acidizing treatment unit and the aeration oxygenation treatment unit are sequentially arranged on one side of the multistage undercurrent wetland treatment unit in parallel and are connected with one another through pipelines. The biological response system provided by the invention has the advantages of scientific design, reasonable structure, fewer electromechanical devices due to the adoption of an automatic flow mode, low operation cost, low sewage treatment expense, small floor area, obvious sewage treatment effect, convenience for operation and maintenance management, low cost on project capital construction and operation, and capability of carrying out purification treatment all the year round, ; the treated sewage can be directly discharged into reservoirs, rivers and lakes and is in accordance with discharge standards in China; and a bioecological technology has stronger self-regulation capability and repair capability.

An intelligent micro-lattice teaching-system is prepared for entering micro-lattice teaching system and jointing teach analog process by participator at relying on their personal status card, participating full course information classification statistics and intelligent management by multidimensional countermark technique formed by basic countermark and extension countermark set, enabling user to carry out browser on micro-lattice video through multi -dimension and to carry out evaluation on trial student class and enabling trainee to log on background to check course video evaluation made by the other person on said trainee.

The invention discloses a purifying equipment and method of multi-component fill base underflow wetland, which is characterized by the following: the purifying pond displays cubic box with baffle in the middle to separate pond into upgoing pond and descending pond; the fill is filled with pond, which is rough grain size layer, high-effective dephosphorization layer and middle grain size layer to fill upgoing pond and descending pond alternatively; the filling course forms the composition of diafiltrating material with different grain sizes and diafiltrating coffeciency, which produces wave flow-running shape to proceed anaerobic and consumptive procedure reciprocally in the effluent purifying course.

The invention discloses a gynecology administration device. The gynecology administration device comprises a drug pushing tube, an outer sleeve and a drug distributing tube, wherein the drug pushing tube is provided with a drug inlet and outlet hole in the front end face, and a first O-type ring is fixed to the outer side wall of the front end of the drug pushing tube; the outer sleeve is arranged outside the drug pushing tube in a sleeving mode, and a second O-type ring is fixed to the inner side of the front end of the outer sleeve; the drug distributing tube is arranged outside the drug pushing tube in a sleeving mode, the rear end of the drug distributing tube is connected with the outer sleeve in a sealed mode, administration holes are formed in the bottom and the side wall of the drug distributing tube, a communicating groove is formed in the inner tube wall of the drug distributing tube, and when the front end of the drug pushing tube abuts against a limiting protrusion, interlayer spaces before and after the first O-type ring are communicated. The administration device discharges a drug through the multiple holes, administrates the drug evenly, is large in acting surface, prevents the drug from accumulating locally, and ensures that the drug fast takes effect on the focus portion in time, and therefore the use efficiency and the treatment effect of the drug are improved; the drug distributing tube is disposable, so that the gynecology administration device is safe and sanitary, the drug pushing tube and the outer sleeve are convenient to clean and can be recycled, and therefore the cost of treating gynecological disease is reduced; excessive drug residue can be avoided, drug waste is reduced, and the gynecology administration device can be operated coherently, smoothly and easily.

The invention relates to a no-reflection high-efficient-luminescence unitary-WLED power-capacity-expansion high-power light source. A plurality of blue-light BLED chips are welded on a radiating base plate. The surfaces of the BLED chips are coated with silica gel phosphor powder, which forms white-light WLED illuminants. The high-light-transmittance and high-intensity industrial plastic PC is made into a thin isopachous hemisphere-shaped casing. The PC casing is filled with high-transparency silicon gel which has the same light transmittance as the PC, which forms a silica gel hemispherical lens. The silica gel lens is packaged above the phosphor powder along the centre to form the no-reflection and high-efficient-luminescence unitary WLED light source. A plurality of unitary WLED light sources are assembled to a high-power WLED light source by capacity expansion. The light source can be make into a street lamp, an emergency lighting lamp, a safety lighting lamp for mine roadway, a mine cap lamp, a safety lighting lamp for subway and airport, an indoor lighting lamp and other WLED lighting lamps. The invention has the advantages of scientifically reasonable structure, low production cost, good radiating property, low power consumption, high efficient luminescence, long service life and other advantages.

The invention provides a novel box-type transformer which comprises a box body and a transformer body arranged in the box body. The box body is composed of a box bottom, four side walls and a box top, wherein one side wall is provided with an access door, ventilating windows are formed in the four side walls of the box body, a bent portion is arranged on one side of each ventilating window, ventilating openings are formed in the side walls, exhaust fans are arranged at the positions of the ventilating openings, and a waterproof rain shield is arranged on the box top. The novel box-type transformer has the advantages of being scientific in design, good in practicability, simple in structure, good in heat dissipation performance, good in ventilation performance and good in waterproof effect.

The invention discloses a multifunctional cutting machine and a cutting method thereof. The multifunctional cutting machine is characterized in that an installing base of the cutting machine is provided with a cutting rotating mechanism for driving a rotating transmission shaft to rotate; a cutting machine head is provided with a cutting feed mechanism for adjusting the vertical distance between a cutting assembly and a workpiece; the cutting feed mechanism is provided with a cutting angle adjusting mechanism for performing adjustment to keep perpendicular to a cutting point of the workpiece; and the installing base is provided with a clamp mechanism being automatically aligned with a center line. The multifunctional cutting machine has the beneficial effects that the structure is scientific, and manufacturing is easy; round workpieces or square workpieces or rectangular workpieces or special-shaped workpieces can be cut off through a multi-axis movement mechanism, digital control operation can be achieved, and cutting precision and the automation degree are high; a notch is flat and high in quality, and secondary notch finishing does not need to be manually made; synchronous acting and automatic center line aligning of a clamp can be achieved only through an air cylinder in the clamp mechanism; clamping groove type clamping is adopted for replacement of the clamp, and replacement is fast; and the labor intensity is integrally lowered, and the work efficiency is improved.

The present invention relates to a high-pressure fine-mist desulfurization and dedusting device and a desulfurization and dedusting method thereof, which can effectively solve the problem that the desulfurization device and dedusting device is single in function and poor in desulfurization and dedusting effect. A first absorption tower is communicated with the flue gas inlet pipe with a draft fan arranged in an air inlet and is connected with the outlet end of a high-pressure pump arranged on a water inlet pipe through a pipe; the two absorption towers are connected; a second absorption tower is provided with a flue gas outlet pipe which is internally provided with a demister insider and respectively connected with a chimney and a sedimentation tank; a fine-mist nozzle is arranged in the absorption tower; the bottom part of the first absorption tower is connected with a clinker chamber; the bottom parts of the two absorption towers are connected with the sedimentation tank through a three-way pipe; the sedimentation tank is communicated with an alkali recycling tank through a filter slot; a centrifugal pump on the alkali recycling tank is connected with a dynamic filter and is connected with the water inlet pipe through a recycling water pipe; the recycling water pipe is communicated with the spraying pipe and the nozzle of the absorption tower and the alkali recycling tank is provided with an alkali distribution slot; the flue gas is desulfurized and dedusted through pipes by spraying and discharged through the chimney. The device integrates the functions of desulfurization and dedusting.

The invention discloses a wire-tubular-type low temperature plasma unit reactor for treating industrial waste gases and an assembly system thereof. The unit reactor is composed of a reactor positive electrode, a circular pipe external electrode and a sealing ring. The reactor positive electrode is formed by central electrodes with different types and insulation components. The insulation supports on the insulation components are stuck into rolled steel grooves of the circular pipe external electrode to form the unit reactor. According to actual requirements of waste gas treating engineering, N unit reactors are employed to be assembled in series and parallel ways and a reactor matrix is formed. The reactor matrix and compression screws are assembled to form a single-box reactor through reactor supporting plates. The single-box reactors are connected in series and electrically connected through box body seal heads and box body flanges and a reactor assembly system is formed. The assembly system is suitable for treatment of various gases with peculiar smell, high-humidity?gases and smoke zones in different quantitative grades. The product is advantaged by safety, energy saving and environmental protection, the flexibility of the system layout is strong, the adaptive condition range is wide and the service life is long.

The invention relates to an electric crawler stair climbing potty wheelchair bed, which is provided with a chair rack, wherein two lower corners of the front part of the chair rack are each provided with a universal corner wheel installation shaft; each universal corner wheel installation shaft is provided with two universal corner wheels; two sides of the rear part of the chair rack are provided with a chair wheel with a driving motor; the rear part of the chair rack is provided with an installation axle hole of a crawler stair climbing device; the crawler stair climbing device is arranged just below the chair rack and is of an H-shaped structure; the crawler stair climbing device is provided with a left crawler and a right crawler, wherein a crawler driving motor is arranged between the left crawler and the right crawler. The electric crawler stair climbing potty wheelchair bed is suitable for the aged and disabled people who are difficult to get about and has the advantages of scientific structure, reasonability in design, stable operation, convenience in operation, safety and reliability and is free to fold and unfold.

The present invention discloses a backpack tiny water-fog extinguishing device, and comprises a backplate (5), a liquid storage tank (14) and a spraying gun (10), wherein, one side of the liquid storage tank (14) is provided with a high-pressure gas bottle (13), and the backplate (5) at the other side of the liquid storage tank (14) is provided with a gun cylinder (21) that is used for holding the spraying gun (10); the high-pressure gas bottle (13) is connected with a reducing valve (12) that is provided with one inlet connection port and two outlet connection ports; one way of the reducing valve (12) is connected with the upper part of the liquid storage tank (14) through a retaining valve (6), and the other way of the reducing valve (12) is connected with a positive-pressure air respirator (20); the positive-pressure air respirator (20) comprises an absorber reducing valve (15) that is provided with one inlet connection port and two outlet connection ports, a pressure meter (1) and an breathing mask (8), which are connected with the two outlet connection ports; with the structure, the backpack tiny water-fog extinguishing device can effectively extinguish the fire of category A, B and E; compared with the traditional device, the backpack tiny water-fog extinguishing device has more scientific and reasonable structure, and is simpler and more high-efficient to be used.

It is a kind of piling work hydraulic pressure hammer. The main character lays on that, the hammer comprises oil chamber, air chamber and piston chamber hammer. The said air chamber is set on the oil chamber seat. The said piston chamber hammer is set in the outer long chamber. The said hydraulic pressure hammer, out-set liquid pressure source or air pressure source and electrical source get combined to use. When it works, because of the corporation of liquid or air pressure and electric system, the liquid spray through the oil chamber mouth from oil chamber, that propel the pistol chamber to go up, according to the freedom dropping theory, the air is pressed in the air chamber that make the pistol chamber hammer to press the pile-head to produce piling.

The invention relates to an assembly machine, in particular to a detachable truss screw machine. The detachable truss screw machine comprises a base, a stepping mechanism, a material sending mechanismand a processing mechanism, and the stepping mechanism comprises a stepping track and a stepping press plate device; the processing mechanism comprises a fixed frame, a punching deice, a screw loading device and a screw feeding machine; the material sending mechanism comprises a main track and a secondary track parallel to the main track, vibration discs are arranged at two ends of the main track, material placing grooves are connected to the vibration discs, transfer devices are arranged beside the material placing grooves, and moving fixtures which are matched with the transfer devices andcan move along the main track are arranged on the main track; and a push air cylinder is arranged on the secondary track, a clamp is connected to the side, facing the main track, of the push air cylinder, a control screen is arranged on the fixed frame, and the control screen is correspondingly connected with the stepping press plate device, the punching device, the screw loading device, the transfer device and the push air cylinder. According to the detachable truss screw machine, the manual process of feeding is saved, the full automation of the processing process is achieved, the processingefficiency is high, and the accuracy for processing finished products is high.

The invention discloses a laminating device. The laminating device comprises a diaphragm conveying mechanism for discharging and conveying rolled diaphragms; a positive electrode feeding mechanism which is used for continuously conveying single positive electrode plates; a negative electrode feeding mechanism which is used for continuously conveying single negative electrode plates; a laminating mechanism which reciprocates between the positive electrode feeding mechanism and the negative electrode feeding mechanism and receives the diaphragms, the positive electrode plates and the negative electrode plates, so that the diaphragms are pressed on the laminating mechanism and then move along with the laminating mechanism to form a Z-shaped diaphragm, wherein the positive electrode plates andthe negative electrode plates are alternately laminated on the Z-shaped diaphragm to form a Z-shaped laminated sheet; a diaphragm cutting mechanism which is used for cutting off the diaphragm supplyof the diaphragm conveying mechanism to the laminating mechanism after the laminating mechanism finishes laminating; and a rubberizing mechanism which is used for rubberizing the Z-shaped laminated sheet to form a battery cell. The defects of low speed and high labor intensity of manual feeding are overcome, the production cost is reduced, the lamination efficiency is improved, and modern automatic production integrated with die cutting and lamination is realized.