104 results about "Cone shell" patented technology

The invention discloses a nonlinear energy trap vibration absorbing device for whole satellite vibration suppression. The nonlinear energy trap vibration absorbing device comprises two geometric linear springs, a supporting linear spring, a mass block, a guide rail, a bracket and a bottom plate; the vibration absorbing device is installed along the wall of an adapter cone shell; and the mass blockmoves along the guide rail to drive the three linear springs to move to achieve the relatively-pure cubic stiffness characteristic, and a nonlinear energy trap device is formed to achieve the vibration absorption effect. The nonlinear energy trap vibration absorbing device is arranged on the wall of the adapter cone shell of a satellite, the linear springs are guided in the direction of the guiderail, and the longitudinal and transverse vibration suppression effect is achieved; and meanwhile, the nonlinear energy trap device is simple in structure and easy to adjust and install and has the advantages that the robustness is good, effective broadband vibration suppression can be achieved and an external power supply is not needed.

A premix burner with staged liquid fuel supply is described having at least two partial cone shells which on the radial side form the boundary of a swirl chamber which axialwards conically widens, which partial cone shells are arranged in a partially overlapping manner, the center axes of the partial cone shells of which extend with offset effect in relation to each another, and the mutually overlapping partial cone shell sections of which enclose in each case an air inlet slot which extends tangentially to the swirl chamber, with a burner lance which projects axialwards into the swirl chamber, which lance provides means for feed of liquid fuel into the swirl chamber, and also with further means for feed of liquid fuel which are provided in the region of the air inlet slots. As such, additional means for feed of liquid fuel along at least one air inlet slot are formed and arranged in such a way that the liquid fuel delivery, which is conditioned by the further means, takes place in the form of a fuel spray which propagates perpendicularly to the tangential longitudinal extent of the air inlet slot, and also a fuel spray which propagates perpendicularly to an air flow which is directed through the air inlet slot.

A premix burner for a heat generator has partial cone shells (5) which make up a vortex generator, and which encompass a conically widening vortex chamber (6) and mutually define tangential air inlet slots (7), and also with feeds for gaseous and / or liquid fuel, of which at least one is arranged along the air inlet slots (7) on the partial cone shells (5), and at least one other is arranged along a burner axis (A) which centrally passes through the vortex chamber (6). At least n partial cone shells (5) encompass the vortex chamber (6), and define n air inlet slots (7), with n≧3, preferably n≧5, the n air inlet slots (7) each have at least a maximum slot width (10) which is equal to or larger than that slot width (10) which a generic type premix burner (1) of the same size and dimensioning with m≦2 partial cone shells (5) and m air inlet slots (7) has.

The invention relates to a construction method of major diameter reinforced concrete silo and a device for conical shell construction. The construction method of major diameter reinforced concrete silo comprises that the rigid platform used in silo wall construction is used in the supporting platform of the cone shell construction on the top of silo, steps of removing the rigid platform and reconstructing the supporting platform are avoided, the construction period is shorten, the cost is saved, and the good economic benefit is achieved; unloading wireropes are connected between the rigid platform and conical shell moulds, and the supporting load of the rigid platform can be reduced to a certain extent; auxiliary wireropes can support carriers for center supporting frames to play a role ofstabilizing the center supporting frames; in the construction of the silo wall, a slip form is subjected to taper adjustment by installing an enclosure, when the taper of an inner formwork is 0.3%, the inner formwork is tilted to the outside of the silo, when the taper of an external framework is 0.2%, the external framework is tilted towards the interior of the silo, the inner framework and theexternal framework are corrected, and the accuracy of the template is ensured, at the same time, sliding and demoulding of the slip from are convenient.

The invention discloses a system for detecting the thickness of a sea surface oil slick. An oil slick sample is acquired to a cone shell by a detection device and then enters a hollow cylinder; in the hollow cylinder, a first conduction circuit is formed by a wire, a conductive ball, a terminal and a ground wire and a second conduction circuit is formed by seawater, the terminal and the ground wire; a data processing device detects signals of the two conduction circuits and transmits the conductive signals of the two conduction circuits to a computer; and the computer detects the positions of the conductive signals and calculates the thickness of the sea surface oil slick according to the principle of equal volumes. The system and method for detecting the thickness of the sea surface oil slick, which are disclosed by the invention, utilize the detection device and the data processing device to conveniently and accurately detect the thickness of the oil slick.

The invention discloses a fast ignition target fuel layering device based on fluid magnetic suspension and a fast ignition target fuel layering method based on the fluid magnetic suspension. The fast ignition target fuel layering device based on the fluid magnetic suspension comprises a turnplate mechanism which is composed of a drive shaft, a turnplate and a target making chamber. The turnplate is fixed on the drive shaft, a groove is formed in the plate face of the turnplate along the radial direction, the target making chamber is installed, a guide rail is fixed in the target making chamber, a heat exchanger and a target seat are placed on the two sides of a slide block, an anti-radiation shield is fixed on the target seat, one end of a clamping arm is fixed to the slide block, the other end of the clamping arm is connected with a supporting rod which is bonded to a gold cone shell of a target pellet, a hydrogen filing tube is communicated with a capillary tube and a liquid hydrogen container, and the hydrogen filling tube is also communicated with the anti-radiation shield and a gas hydrogen container. When fuel is layered, the slide block is located at the tail end of the guide rail, and the layering method includes that the fluid magnetic suspension technology is adopted to basically counteract the gravity force of liquid fuel, the strength of foamed material is enabled not to be a restraining factor for fuel layering, and therefore the requirements for fast ignition target fuel layering of large-diameter thick material layers are met. The fast ignition target fuel layering device based on the fluid magnetic suspension and the fast ignition target fuel layering method based on the fluid magnetic suspension have the advantages of being simple in structure, reliable in operation, and convenient to operate.

The burner of a gas turbine includes two or more part cone shells arranged offset with respect to one another and defining a cone shaped chamber with longitudinal tangential slots for feeding air therein. A lance carrying a liquid fuel nozzle arranged centrally in the cone shaped chamber is also provided. A portion of the nozzle facing the cone shaped chamber is divergent in shape. A diffuser angle (α) between the wall of the nozzle and a longitudinal axis of the cone shaped chamber is less than 5°. A diverging portion of the nozzle has a diffuser length to nozzle diameter ratio comprised between 2-6. The nozzle diameter is the smaller diameter of the diverging portion.

The invention provides a cone snail tail removing device and belongs to the field of food machinery. The cone snail tail removing device is composed of a feeding hopper, a controller, a conveying motor, a rack, a sweeping motor, a transmission box, a collection box, sweeping rollers, a lateral base plate, a cutter plate, an air cylinder, a rotary motor, limiting mechanisms, movement guide rods, lateral baffle plates I, height limiting mechanisms, height limiting plates, lateral baffle plates II, lug bosses, a conveyor belt, a sliding column, a push frame, a cutter body, a hinging column, sliding grooves I, groove bodies II, a roller base, sliding grooves III, guide plates, a rotary shaft, roller bases II and bottom frames, wherein the feeding hopper is arranged at the upper end of the rightmost side of the rack; the conveyor belt is arranged at the lower side of the feeding hopper; the lateral baffle plates II are arranged at two sides of the conveyor belt; the lug bosses are distributed on the conveyor belt; the device can be used for efficiently carrying out cone snail tail removing work; reasonable feeding of cone snails is realized through the matching of the conveyor belt and the feeding hopper; the movement guide rods and the sweeping rollers are matched so that posture guide of the cone snails is realized and the height of the cone snails can be effectively limited through the height limiting plates.

The invention relates to a method for lifting an inverted cone shell water tank of a reinforced concrete water tower. The method comprises the following steps of: positioning a suspension rod, setting hydraulic equipment in place, primarily lifting the water tank, assembling a suspension wire rod on a support of an upper ring beam of the water tank, and placing lifting steel wedges hanged by steel wires outside a branch cylinder wall, wherein the lifting steel wedges are evenly distributed along the branch cylinder wall at 2,000 millimeter intervals, and tips support the bottom part of the water tank and are arranged in the gap between a lower ring beam and the branch cylinder wall; and when the water tank is lifted, making the steel wedges lifted along with the water tank; hanging suspension feet-hands, fixing the water tank at a high altitude, disassembling the lifting equipment, and casting ring plate concrete. The method fundamentally solves the problem that the water tank swings and bumps the cylinder wall when lifted; when the lifting reinforced bars are broken and the water tank falls off, the lifting steel wedges can fix the water tank on the branch cylinder, so that the huge loss caused by the broken reinforced bar and the falling off of the water tank is avoided; and by the method, the water tank can be stably, safely and quickly lifted up to the designed elevation of the cylinder top. By adopting the method, two hot rolling and two cold rolling 100t safety water towers of the Wuhan Iron and Steel, two continuous casting 200t and 800t water towers of the Wuhan Iron and Steel and the like can be successfully assembled.

The invention relates to a combined elevator pulley and a manufacturing method thereof. The combined elevator pulley is composed of the three parts comprising two metal half hubs with the same shape and size which cling to each other, a collar rim and a bearing sleeve, wherein, the center section of the half hub is a horn or cone shell, the middle of the half hubs roll outward or connect with a cylinder respectively, the cylinder and the bearing sleeve match with each other; the half hubs are stretched or connected with a cylinder respectively on the outside; the upper or the so-called external part of the cylinder has a collar rim which is made from wearable polymer material, the collar rim is provided with a grooving and used as elevator wheel. Furthermore, the invention provides a manufacturing method of the combined elevator pulley. The invention is widely used in anyplace which needs to install wheels, the production has the advantages of light weight, simple structure, good strength, low cost, safe and reliable use, energy-conservation and environment protection, and is substitute of traditional casting wheel, especially can be substitute of elevator wheel like crosshead sheave, counterweight sheave and guide wheel.

The invention discloses a manufacture method of an eccentric cone shell, which adopts a method of adding supplementary material at the small port end of the eccentric cone shell to make a main view, avertical view and an expansion view of the required eccentric cone shell according requirements. By utilizing a three-roller plate bending roll to roll according to a method for rolling a positive cone shell, the big end surface of the cone shell is an oval; and then by utilizing an inner circular arc measurement sample plate at the big end to conduct correction to the cone shell on the three-roller plate bending roll so as to lead the big end surface to be corrected into a circular end surface and to cut off the supplementary material part after correction, the eccentric cone shell can be obtained. By utilizing the three-roller plate bending roll, the eccentric cone shells with different specifications can be processed, and the manufacture method of the eccentric cone shell has high efficiency and strong versatility, saves the cost, reduces the labor intensity, improves the work efficiency, and is applicable to the manufacture of the eccentric cone shells with different included angles.

The invention provides a machining method for a cone seal head. The machining method comprises the following steps of blanking, plate rolling, welding, die manufacturing, hot stamping, groove treatment and butt joint. According to the machining method, the cone seal head is formed in the manner that a cone shell and a folded edge are welded after being machined. The taper of the folded edge before stamping is smaller than that of the cone shell. Through design of a special stamping die, it can be guaranteed that the specific value of the size of the small hole end obtained after the folded edge is stamped to the size of the small hole end obtained before the folded edge is stamped is in the range where fracturing is not likely to occur. Compared with a traditional method that the small hole end of the cone shell is directly subjected to stamping and chamfering, the machining method is good in reliability and low in reject rate of products.

The invention relates to relatively short conotoxin peptides, about 10-20 residues in length as described herein, which are naturally available in minute amounts in the venom of the cone snails or analogous to the naturally available peptides, and which preferably include two disulfide bonds. These conotoxin peptides have analgesic activity and are thus useful for treating or preventing pain.

The invention discloses artificial incubation equipment for viscid fertilized eggs of fishes and belongs to the field of fish farming. The artificial incubation equipment comprises an inverted-cone shell, a cone-frustum-shaped loop, a net bag, a circular top cover, a main body support and a water inlet and outlet system. The artificial incubation equipment for the viscid fertilized eggs of the fishes has the advantages that the structure with the inverted-cone shell sleeving an inverted-cone net is adopted creatively, a gap is reserved between the inverted-cone shell and the inner inverted-cone net, wall attachment and caking can be effectively avoided with the help of bottom ascending water flow, and the inverted-cone net is capable of effectively dispersing water flow to prevent the water flow from impacting the fish eggs, so that a fish egg incubation rate can be increased; internal clearing of the incubation equipment is facilitated through the detachable bottom cone net bag; with a ringlike water pipe clearing system, the artificial incubation equipment is capable of effectively clearing mildewed embryos during incubation to greatly avoid adverse effect of excessive anthropogenic interference on egg incubation; the artificial incubation equipment is low in manufacturing cost, simple and convenient to operate and particularly suitable for large-scale factory-like breeding application in the field.

The invention relates to a cone spiral grinding device which comprises a machine frame base, a grinding disc, a workpiece feeding mechanism and a workpiece mounting head. The workpiece mounting head is attached with the grinding disc. A disc body of the grinding disc is in a cone spiral shape. The abrasive grain on the disc face of the grinding disc changes according to the spiral line of the disc body in a gradient modem. The abrasive grain is high close to the top end of the cone spiral line. The workpiece mounting head is directly connected with a motor. The motor controls rotating of the workpiece mounting head. The workpiece feeding mechanism can control the workpiece mounting head to move along a cone spiral track. Under the common effect of rotating of the cone spiral grinding disc and rotating of the workpiece mounting head, disordering of machined lines on a surface to be machined can be achieved, and accordingly machining efficiency and quality are improved. Meanwhile, the cone spiral grinding device is simple and compact in structure, low in cost and high automation degree, and by controlling the abrasive grain of different parts of the grinding disc, workpieces can be machined in different accuracy degrees.

The invention relates to an automatic precise assembly platform for conisphere cavity micro parts and an assembly method. By means of the automatic precise assembly platform for the conisphere cavity micro parts and the assembly method, the problems of the poor precision and the low efficiency caused by traditional manual installation adopted for assembly of the conisphere cavity micro parts in a cone shell target in the prior art are solved. In order to meet the requirements of part assembly, the assembly platform needs better stability and operability, and higher precision and working efficiency need to be ensured. The automatic precise assembly platform comprises a central platform, a cone manipulator platform, a spherical cavity manipulator platform, a combined microscope platform, an independent microscope platform, adhesive dispensing platform, an ultraviolet source and an optical platform. The central platform is fixedly installed on the optical platform. The independent microscope platform and the ultraviolet source are installed on the optical platform. The combined microscope platform is installed on the optical platform. The spherical cavity manipulator platform is installed on the optical platform. The cone manipulator platform and the adhesive dispensing platform are installed on the optical platform. The automatic precise assembly platform belongs to the field of laser fusion target assembly.

The invention discloses a forming method for a low-temperature-resistant flexible connector for a solid rocket engine. The forming method includes the steps that (1) a plurality of annular metal reinforcement parts and elastic parts are prepared; (2) the elastic parts and the metal reinforcement parts are bonded to the surface of a fixed rear connector / movable inverted cone shell alternately, the innermost side and the outermost side directly bonded with the fixed rear connector / movable inverted cone shell are provided with the elastic parts, and finally the movable inverted cone shell / fixed rear connector is bonded with the elastic parts on the outermost side to form an integrated part; and (3) the integrated part is put into a mould and subjected to sulfidizing treatment, the temperature is 145-155 DEG C, the pressure is 5-10 MPa, the heat preservation time is 30-60 min, and the flexible connector is obtained after demoulding. According to the forming method for the low-temperature-resistant flexible connector for the solid rocket engine, the movable inverted cone shell, the fixed rear connector, the elastic parts and the metal reinforcement parts are subjected to hot sticking forming overall, the phenomena that an existing flexible connector is prone to cause air leakage, prone to sticking failure, and unstable in shaking moment are solved, and the flexible connector can be used at the temperature of minus 40-50 DEG C for a long time.

The invention discloses a yard lamp with a function of adjusting the angle of a lamp pole support. The yard lamp comprises a supporting plate, the right end of the upper surface of the supporting plate is provided with a lithium battery pack, a telescoping rod is arranged in the middle of the upper surface of the supporting plate, a positioning bolt is arranged in the middle of the outer side of the telescoping rod, a holding plate is arranged on the upper end surface of the telescoping rod, and the holding plate is rotationally connected with an L-shaped connection rod through a hinge which is arranged in the middle of the upper surface of the holding plate; the right end surface of the L-shaped connection rod is provided with a connecting rod, and the connecting rod is in threaded connection with a cone shell through a connection thread which is arranged at the lower end of the outer side of the connecting rod. The yard lamp with the function of adjusting the angle of the lamp pole support is compact in structure and convenient to move, in use, the yard lamp occupies little space, and lighting can be adjusted at multiple angles. Through cooperation of a push rod and locking universal wheels, the yard lamp can be conveniently moved; by arranging the telescoping rod, the height of an LED light set can be adjusted; through the arrangement of a first electric telescoping rod, rotation of the LED light set can be adjusted.

A liquid spray foam remover applied to a rectifying tower comprises a rectifying tower shell. A gas outlet, a liquid spray synthesis gas inlet and a liquid outlet are formed in the top, the middle and the bottom of the rectifying tower shell respectively. A loose tube flange is arranged at the gas outlet. A hanging lug, a circulation material inlet and outlet assembly and a sight glass flushing opening assembly are arranged on the outer wall of the rectifying tower shell from top to bottom. A guide ring and a rotation flow foam removal assembly are arranged in the rectifying tower shell. The guide ring is arranged below the gas outlet and on the rotation flow foam removal assembly. The rotation flow foam removal assembly is arranged above the liquid spray synthesis gas inlet. A cone shell is fixed to the inner wall of the rectifying tower shell. A cover cylinder is fixedly arranged on the cone shell. A liquid collection groove is formed in the top of the cover cylinder. An overflow pipe is arranged along the cone shell and communicated with the liquid collection groove. A circular plate with a hole in the center serves as a blind plate which is arranged at the bottom of the cover cylinder. Rotational flow blades are evenly arranged in the cover cylinder and arranged above the blind plate.

The invention discloses an ice slurry concentration device capable of stepless concentration regulation. The device comprises a circular truncated cone shell used for storing ice slurry, wherein the shell for storing ice slurry is shaped as a circular truncated cone the upper end of which is small and the lower end of which is big, a reducing shape is formed and the ice slurry concentration effect is improved; the axial cross section of the circular truncated cone shell is trapezoidal; the central axis of the top end of the circular truncated cone shell is connected with an upper end exit section, the central axis of the bottom end of the circular truncated cone shell is connected with a lower end exit section; the middle-bottom part of the circular truncated cone shell surface is connected with an entrance section; the upper end exit section, the lower end exit section and the entrance section are respectively provided with a regulation valve; by controlling pipe openness degree, stepless regulation of ice slurry concentration can be realized. While the effective improvement of ice slurry concentration is guaranteed, the slurry concentration can reach 20%-30%, stepless regulation of ice slurry concentration can be realized and ice slurry of arbitrary concentration can be produced.

The invention discloses a fixed inner support based on concentric sleeve cones and a low-temperature container provided with the fixed inner support, and belongs to the technical field of low-temperature containers. The fixed inner support is composed of two sleeve cones, wherein each sleeve cone is formed by end-to-end sequential connection after sleeving of a plurality of cone shells with different inner diameters and similar vertex angles, a certain distance is kept between every two adjacent cone shells, the small end of the innermost cone shell of each sleeve cone is sealed by a thick plate, a vent hole is formed in each thick plate, and the large end of the outermost cone shell of each sleeve cone is open, so that a labyrinth-shaped thermal bridge structure is formed; and the two sleeve cones are fixedly connected together through the thick plates, and the large ends of the outermost cone shells of the two sleeve cones are connected with an outer container and an inner containerrespectively. According to the fixed inner support, by adopting the sleeve cone labyrinth structure, the occupied space is small, structural heat leakage of the low-temperature container can be obviously reduced while the structural strength is guaranteed, particularly, the problems of fit clearance and thermal stress caused by thermal expansion coefficient differences of different materials are solved, and high working reliability is achieved.

The invention discloses an automatic feeding device for feed-saving large-scale waterfowl breeding, and belongs to the technical field of feed feeding devices. The automatic feeding device comprises ahollow circular truncated cone shell, the middle of the top of the hollow circular truncated cone shell is filled with a rubber plug in a penetrating manner, a first thread penetrating hole is formedin the outer edge of the top of the hollow circular truncated cone shell, an electromagnetic latch is powered on to extend, a conical disc is separated from the bottom of a separation ring, feed falls onto a scattering device under the action of a stirring system, the device is regularly started, the feed is quantitatively supplied, a rectangular partition plate is vertical and rotatable in eachplastic tray inner cavity and has feed dividing and convenient cleaning functions, a low-speed motor rotates along with discharging, and the feed is uniformly rotated and scattered into space formed by adjacent rectangular partition plates by a rotated feed guide groove. The device is conveniently disassembled and cleaned, the feed is regularly discharged and divided, and the device meets feed-saving requirements of large-scale breeding.

The invention relates to a liquid-liquid two-phase reactor, which comprises a reactor shell, wherein the upper portion of the reactor shell is a reactor column shell (1) with a sealed top portion, thelower portion of the reactor shell is a reactor cone shell (2) connected to the reactor column shell, a stirring shaft (4) is arranged at the central axis of the reactor shell, a stirrer (5) is arranged at the lower end of the stirring shaft (4), the upper portion of the reactor cone shell (2) is provided with a first liquid phase reactant inlet (6) and a second liquid phase reactant inlet (7), the bottom portion of the reactor cone shell (2) is provided with a heavy reaction product outlet (8), and the upper portion of the reactor column shell (1) is provided with a light reaction product outlet (9). According to the present invention, the liquid-liquid two-phase reactor has the simple structure, is used for liquid-liquid two-phase reactions, and can improve the purity of the target product.

The invention relates to a method for padding a gap of a lining plate of a cone crusher, which is suitable for effectively padding and assembling the gap between a dynamic cone shell and a static cone shell of the prior cone crusher and the lining plate and aims to reduce padding cost and enhance safety. The method comprises the following steps: cleaning oil contaminations between the dynamic cone shell and a dynamic cone lining plate of the cone crusher and the static cone shell and a static cone ling plate of the cone crusher; then selecting sands with the diameters of 1-5 millimetres, and cleaning mud inside the sands by clean water; then heating the sands to the normal temperature of 10 DEG C-20 DEG C; mixing the processed sands with cement according to a weight ratio of 1.5 to 1, adding a right amount of water to the mixture to prepare cement mortar with fluidity, and padding the cement mortar with the fluidity to gaps between the dynamic cone shell and the dynamic cone lining plate of the cone crusher and between the static cone shell and the static cone ling plate of the cone crusher.

The invention provides a method for preparing films with anisotropic light enhanced transmission property, and belongs to the technical field of film materials. The method relates to the masking etching technology, the physical vapor deposition technology and some technologies on the aspect of assembling. The overall operation is simple and convenient, and the process is low in consumption, clean and high in controllability. Through control over etching time and conditions, semi-cone shells of different heights and nano-pores of different sizes can be prepared. Asymmetric semi-cone-shell and nano-pore array films which are prepared through the method are low in cost, and have an effect of anisotropic optical enhanced transmission, the transmission strength can be greatly changed by changing the incidence direction, quick-response optical switches can be manufactured, and the films can be applied to novel anisotropic plasma resonance sensors.

The invention relates to a compression-resisting flange easily achieving alignment. The compression-resisting flange is composed of oval bosses, a flange plate, reinforcing ribs, bolt holes and a coneshell, wherein the oval bosses (grooves) are evenly distributed on the surface of the flange plate; the bolt holes are evenly distributed in the flange plate, and the bolt holes and the oval bosses (grooves) are distributed alternatively, the usage quantity of bolts is reduced, and the purpose of lightweight is achieved on the premise of not affecting the compression resistance of the flange; thereinforcing ribs are welded between the cone shell and the flange plate and used for improving the stiffness of the flange, and the situation that excessive buckling deformation occurs to the flangedue to stiffness insufficiency is avoided; and the connection section of the cone shell has a certain buffer effect for high-impact fluid, and thus the compression resistance of the flange is furtherimproved.

The invention discloses a bogie rectifying device capable of overcoming the airflow resistance and relates to the technical field of train belly rectification. The bogie rectifying device capable of overcoming the airflow resistance comprises a fairwater cone rail, fairwater cone wheels, a shell frame, access doors, a fairwater cone shell, a carriage underbody, a bogie, a guide wheel bracket, a guide wheel and a steel rail, and is characterized in that the fairwater cone shell covers the bogie; the upper and lower parts of the fairwater cone shell are provided with openings; the front and rear surfaces of the fairwater cone shell are arc surfaces; baffle plates on two sides of the fairwater cone shell are provided with the access doors; the two sides of the exteriors of the upper ends on the front and rear surfaces of the fairwater cone shell are provided with the fairwater cone wheels; the fairwater cone shell is connected with the fairwater cone rail by virtue of the fairwater cone wheels; the fairwater cone rail is connected with the carriage underbody by virtue of welding; a shell frame is welded and connected in the fairwater cone shell; a transverse rack at the lower end of the shell frame is connected with the guide wheel bracket; and the guide wheel is connected with the guide wheel bracket. The bogie rectifying device has the characteristics of reducing the air resistance of train running, reducing the energy consumption and improving the running speed.

The invention relates to a series of rocket thrust chambers with direct-current heads and cooling discharge partition plates. The rocket thrust chambers are provided with liquid oxygen kerosene or methane, liquid oxygen liquid hydrogen, medium-concentration hydrogen peroxide kerosene or liquid hydrogen or NHMF fuel and other non-toxic double-component propellants. According to the thrust range, the thrust of the medium-sized thrust chambers is 30-150 tons, the thrust of the large thrust chambers is 150-400 tons, and the thrust of the ultra-large thrust chambers is 400-800 tons. The thrust chambers are good in structure universality and very simple. The direct-current heads are high in strength and rigidity, the number of parts is greatly reduced, and a turbine exhaust input device with a double-cone shell is arranged. The cooling discharging partition plates are simple in structure, reliable in work and capable of effectively restraining high-frequency unstable combustion. The technical inheritance of a traditional body is good. An inner cooling improvement mode of an annular gap is given, and the cooling effect is better. The basic type and eight derived type rocket thrust chambers are applicable to rocket engines with the reliability of a single machine improved to 0.9999 and the repeated use frequency reaching 10-200 times.