144results about How to "Reduce connection points" patented technology

The invention discloses a construction method of a large-span subway station main body by using an arched cover method and a station main body structure. The construction method comprises the following steps: 1. making first-phase preparations; 2. excavating main body pilot tunnels at the left side and the right side, and carrying out primary support and top beam construction; 3. excavating a middle-part main body pilot tunnel, carrying out primary support and arch buckling construction, and refilling the earthwork; 4. carrying out earthwork excavation on a main body structure in the station, and prestressing force anchor cable construction; 5. carrying out secondary lining construction on the main body structure in the station; and 6. carrying out secondary lining and arch buckling construction on the station main body. The station main body structure comprises the main body structure in the station, a central post, a central plate and a main body arch part, wherein, the main body arch part comprises a middle arch fragment and two side arch fragments respectively arranged in the two side main body pilot tunnels formed by excavation in advance; and the main body arch part comprises a primary support system and a station main body arch buckling secondary lining structure from the outside to the inside. The station main body structure provided by the invention has reasonable design, simple construction steps, convenience in realization, small construction difficulty and rapid construction speed; the subway station formed by the construction method has a stable structure and a good use effect.

The invention discloses a main structure for a metro long-span station and a pillar arching construction method thereof. The main structure comprises a station interior main structure, a plurality of middle pillars, a middle plate and a main arch part, wherein the station interior main structure is dug; the middle plate is located on the middle pillars; the main arch part is located right above the main structure; a bottom longitudinal beam is arranged at the bottom of the station interior main structure; a top longitudinal beam is arranged on the main arch part; and a middle longitudinal beam is arranged between adjacent middle pillars. The construction method comprises the following steps: 1) preparing in earlier stage; 2) digging a guiding hole and performing primary bracing and bridging construction; 3) constructing the bottom longitudinal beam, the middle pillars and the top longitudinal beam; 4) constructing a primary branch arch and refilling an arch back; 5) performing arch secondary lining construction; 6) digging the upper part of the main structure and constructing a primary branch of a side wall of the upper part; 7) performing secondary lining construction of the middle longitudinal beam, the middle plate and the side wall of the upper part; 8) digging the lower part of the main structure and constructing the primary branch of the side wall of the lower part; and 9) performing secondary lining construction for a base plate and the side wall of the lower part. The construction method provided by the invention has the advantages of reasonable design, simple construction step, convenience in realizing, small construction difficulty and high construction speed.

The present invention provides a large-tonnage forklift truck, that is, the functions of the loader and the large-tonnage forklift are combined into one, and the boom of the original loader is shortened, thereby changing the fulcrum of the lifting cylinder on the boom, so that The active force arm on the swing arm becomes longer and the transmission force arm becomes shorter; and the rotating shaft set on the rocker arm is moved down to make the active force arm on the rocker arm longer and the transmission force arm shorter; lower the lifting cylinder in The connection point on the front frame makes the angle between it and the front frame smaller and has stronger thrust; and the diameter of the lifting cylinder is increased to increase the oil pressure of the lifting cylinder to increase the weight of the fork. The present invention combines the operating functions of large-tonnage forklifts and loaders, through the comprehensive integration of machinery, electrical appliances, and hydraulic pressure, and at the same time has the advantages of flexibility and off-road performance of loaders, and the advantages of large loading capacity of large-tonnage forklifts, and reduces fuel consumption. Relatively small, it can load and unload 25 tons of stone blocks, and can lift the goods to a height of more than 3200mm.

The invention provides a special bus duct for wind power, comprising a multiphase bus tube conductor (3), an insulating support (5), a fixed block (6), a conductor flexibility connecting piece (7) and a housing flexibility connecting piece (8), wherein the multiphase bus tube conductor (3) is hollow, and the ends of the multiphase bus tube conductor (3) are suppressed into a linear nose shape. The special bus duct utilizes the advantages of small alternating current (AC) skin effect coefficient and preferable electro-conductibility of a hollow pipe conductor, so that the appearance of a large-current bus duct conductor is minimized, and a tubular conductor structure has higher structural strength and rigidity compared with a rectangle conductor structure, thus ensuring the stability of the bus duct conductor and the insulating structure of the bus duct conductor in an irregular pneumatic environment. In the special bus duct, a rigid connecting structure at a joint of a commonly-used bus duct is changed into a flexible connecting structure, thus a capacity that a bus duct structure adapts to a wind turbine tower structure to bear irregular air is improved. The special bus duct can be applied to electric energy output circuits of different high-capacity and synchronizing wind power generator sets.

The invention relates to a modular multifunctional electrical appliance, which comprises a base (1), a shell (2), an electromagnetic driving mechanism (5), an operating mechanism (4) and a main circuit contact group (3). The rear end of the main circuit contact group (3) is provided with a wiring terminal and can be connected to a load by a wire or conductive bus; and the inside surface of the rear end of the shell is jointed with the inside surface of the rear end of the main circuit contact group (3). The modular multifunctional electrical appliance also may comprise an auxiliary module, a thermomagnetic tripping device, a digital controller and an isolating mechanism. The modular multifunctional electrical appliance adopts a modular structure design, so different kinds of products can be assembled by using different modules. The volume of the electrical appliance is small. The control and protection coordinate combination is realized in the product. The wiring of the electrical appliance is convenient. The reliability of the electrical appliance is high. And the electrical appliance has the characteristic of saving energy and material and has high economic and social benefits.

The invention relates to an assembly supporting floating body crossed splicing type water surface photovoltaic power generation system. The photovoltaic power generation system comprises an assembly supporting floating body device and a device floating body device. The assembly supporting floating body device comprises a plurality of rows of assembly supporting floating bodies crossed and splicedtogether; the corresponding assembly supporting floating bodies between the two adjacent rows of assembly supporting floating bodies are spliced together alternately to form a firm net-shaped structure, the problem that collision damage is likely to be caused by non-transverse constraint between the multiple rows of assemblies in the prior art is solved, and the integrated stability is better; according to the connecting mode between the assembly supporting floating bodies, compared with the connecting mode of existing assemblies, the number of connecting points is few, the stability is better, and installing is more convenient. Important functions of a water surface photovoltaic station photovoltaic assembly, electrical equipment, a cable laying and anchoring system and a maintenance channel can be achieved, the consumption of floating bodies is lowered while the functionality is enhanced, the photovoltaic station manufacturing cost is saved, and the technical assurance is supplied topushing water surface photovoltaic market to achieve network surfing with fair price as soon as possible.

The invention discloses a modular structure of charge and channel management system for parking lots and roads. The modular structure comprises a case, a control circuit, a card reader, a card delivery device, a horn, a gate, a radio frequency identifier, a watchhouse computer or a watchhouse control box and a vehicle detector, and is characterized in that the control circuit consists of a plurality of pluggable modules which comprise a main control module, a power module, a card delivery machine module and a light emitting diode (LED) display screen; the main control module is inserted on a control mainboard; and a plurality of insertion ports for inserting the modules of the control circuit and a plurality of connection ports connected with devices controlled by the main control module are formed in the control mainboard. The modular structure has the characteristics of convenience and quickness in assembly and maintenance, stable and reliable performance, low production and maintenance cost and the like.

The invention discloses a high frequency macro-energy hydraulic pile hammer which comprises a hydraulic pump and a hammer core, wherein the hydraulic core comprises an inner cylinder sleeve and an outer cylinder sleeve mounted in a spaced manner in a sleeving manner, and an oil inlet channel is formed between the inner cylinder sleeve and the outer cylinder sleeve; a piston rod fixedly connected to a piston penetrates through a cylinder cover and a static supporting sleeve axially to be supported on the static supporting sleeve, a cylinder oil inlet and a cylinder oil outlet are formed in thecylinder bottom, the cylinder oil inlet is communicated to the oil inlet channel between the inner cylinder sleeve and the outer cylinder sleeve; the oil inlet channel is communicated to a rod cavityof the hydraulic cylinder through the oil inlet hole in the inner cylinder sleeve, and a cylinder oil return hole is communicated to a rodless cavity of the hydraulic cylinder; the oil outlet of the hydraulic pump communicates to the cylinder oil inlet and a pressure oil hole of a second inserting valve in parallel, and an oil hole B of the first inserting valve is connected to the cylinder oil outlet; and a control valve as a pilot valve forms a direction control loop with the second inserting valve. The hydraulic pile hammer is simple and reasonable in structure and small in influence on ambient environment, can drive a pile at a high frequency with micro-energy, so that the hydraulic pile hammer is particularly suitable for large foundation pile construction.

The invention relates to a novel double-hose soft bag filling fixture applied to the filling and sealing transfer station of a double-hose non-PVC film fully-automatic bag-making filling and sealing machine. The novel double-hose soft bag filling fixture is characterized in that two groups of tongs corresponding to the double hoses of a soft bag are abreast arranged, each group of the tongs is provided with two opposite clamping arms, the middle parts of the clamping arms are installed on a pin shaft, nips are arranged at the front ends of the clamping arms, hose notches are arranged at the inner sides of the nips, a compression spring is respectively installed between the rear sections of the two clamping arms in each group of the tongs, and a positioning pin is respectively installed between the front sections of the two clamping arms in each group of the tongs. The invention is simple in structure, less in connecting points, is easy for adjustment, can perform holding control to the double hoses of the soft bag, ensures the even stress as well as the vertical filling of the soft bag, is stable and reliable, performs filling by adopting two hoses, improves the production efficiency and reduces the maintenance cost.

The present invention discloses a one-tank multi-stage horizontal separator, which comprises a tank, tank bottom feet, fractionation dropping vertical pipes, a drop aggregation pipe and the like. According to the present invention, principles of gravity sedimentation separation, centrifugation separation, collision separation and multiple separation are adopted to increase hydrogen and oxygen purity; a hydrogen and oxygen mixture produced through water electrolysis enters the separator from an inlet, is sprayed on a separation plate to be spread, and a varnish and oxygen dissolved in the liquid are separated due to a diffusion effect; the liquid falls down through self-gravity, and passes through the gap on the lower portion of the separation plate, and the flow direction of the gas carrying small droplets is changed a plurality of times in the separator, such that the small droplets are condensed and fall down; and the liquid on the lower portion of the separator is discharged out of the separator through a liquid discharge valve, the carried trace droplets are condensed and removed again when the separated gas passes through separation umbrella cut holes so as to obtain purified gas, wherein the purified gas is discharged from a gas outlet. The one-tank multi-stage horizontal separator has characteristics of large gas production, excellent separation effect, high gas purity, small occupation space, economy, applicability and the like.

The invention discloses an electric heating floor and a heat supply system for the electric heating floor. The system includes an external household power terminal, a main power line and an electric heating floor group, wherein the external household power terminal is connected with the electric heating floor group through the main power line; the electric heating floor group is connected in series with electric heating floor single plates with unit number to form a serial-connected voltage-dividing unit group that are connected in parallel. The electric heating floor and the heat supply system can effectively ensure that the voltage of the heating floor under the feet of the persons is similar to, even lower than the human safety voltage, can guarantee the life and property safety to the maximum degree, and is widely applied to building construction and house decoration.

The invention relates to a lithium-ion power battery, comprising a battery protection board (15). A negative pole output port B- of a detection circuit chip (31) of the battery protection board (15) is electrically connected with a negative pole connecting terminal (21-1); a positive pole output port B+ is electrically connected with a positive pole connecting terminal (22-1). Three ends of a power tube (32) are electrically connected with the negative pole connecting terminal (21-1), an output port M of the detection circuit chip (31) and one end of an equalizing resistor (15-3) respectively; the other end of the equalizing resistor (15-3) is electrically connected with the positive pole connecting terminal (22-1). A temperature relay (15-1) is provided with two output ports D. Two pins at the input end of a photo-coupler relay (15-2) are electrically connected with two output ports of the detection circuit chip (31) respectively; A and B at the other end of the photo-coupler relay (15-2) are two output ports. The lithium-ion power battery features strong protection functions, low cost, simple structure and low fault rate.

The invention discloses a parallelly connected clothes hanger and a clothes hanging ring thereof. More than two cross bars [8] and two longitudinal bars [4] are connected through hinges to form a parallelogram framework, and a hanging and pulling device [10] and the longitudinal bars [4] from a rear suspending device connected with hinge devices [9] of fixed plates [6] and two hinge seats [5]. A clothes hanging ring is provided with a clothes hanging hole [21], suspending arms [17], and lockpin rings [18] connected with each cross bars [8]; and a clothes hanging ring is provided with a clothes hanging hole [21] and a hinge ring [19], and is connected with a bearing rod through a hinge shaft [20]. By the structure, a problem that the traditional clothes hanger has large volume, heavy weight, high cost and small clothes hanging amount, is inconvenient to use and unreliable in movement and technology and the like is solved. The clothes hanging ring [2] moves to change the position of the clothes hanging hole so as to meet requirements of different clothes; and the clothes hanging ring [2] can be separately applied to bearing rods of indoor and outdoor clothes hangers in any form.

The invention discloses a pipeline connection structure, which comprises a steel pipe (1), a connecting nut (2) clamped on the steel pipe (1), a rubber tube, a wrap (4), a joint core (3) and a matching sleeve (6). According to the pipeline connection structure provided by the invention, the matching sleeve which can be selected along with the diameter of a steel pipe is additionally arranged in the joint core, so that the joint core can be directly connected with steel pipes of different diameters, the traditional structure characterized in that connection can only be realized by a transition joint is changed, the amount of parts is reduced, connection points in the integral pipeline are reduced, and leakage accidents are reduced. Different types of matching sleeves are used for sheathing the steel pipes of the corresponding types, the types of the steel pipe which can be subjected to butt joint with the joint core are expanded, the types of connecting accessories between the steel pipe and the joint core are reduced, unnecessary resource waste caused by excessive accessories is avoided, complex work of selecting the accessories due to assembling is omitted, and the assembling time is saved. The invention also discloses a hydraulic pipeline applying the pipeline connection structure.

The invention relates to the technical field of safety air bags, in particular to a safety air bag shell which comprises a shell body, a front bracket, a rear bracket and a lower bracket. The safety air bag shell is characterized in that the lower bracket comprises a lower bracket plane, a lower bracket folded surface and a lower bracket flanged edge, wherein the lower bracket folded surface and the lower bracket flanged edge are bent downwards along one end of the lower bracket plane; the lower bracket plane is fixed under the shell body, at least one flanged edge is arranged on the lower bracket folded surface and forms a support together with an upper plane and a downwards-bent folded edge, the bottom of the folded edge is connected with the lower bracket folded surface, and a gap is arranged between the flanged edge and the shell body. Compared with the prior art, the invention has the advantages of simple processing, low cost, high efficiency and high accuracy, effectively reduces the dependence on the machining process, contributes to the reduction of cost, decreases connecting points of the brackets and the shell body, saves the procedures and the development of a riveting mould, and also saves the connecting time. The energy-absorbing degree of the safety air bag shell can be regulated through the distance change between the flanged edge and the shell.

The invention discloses an electric heating floor and a heat supply system thereof. An electroconductive heating layer of the electric heating floor is smaller than an upper substrate layer and a lower substrate layer; the lower substrate layer is provided with a groove, and the size of the groove is equal to the size of the electroconductive heating layer; the surface of the lower substrate, which is provided with the groove, is coated with resin adhesive so as to ensure that the electroconductive heating layer is arranged in the groove of the lower substrate layer; the edge of the lower substrate layer is provided with a blank substrate, and the surface of the blank substrate and the surface of the electroconductive heating layer are on the same plane; and the lower surface of the upper substrate layer is coated with resin adhesive and bonded with the lower substrate layer provided with the electroconductive heating layer so as to press the electroconductive heating layer into the substrate layers into a whole. According to the electric heating floor, the voltage in the heating floor stepped by the human body can be effectively guaranteed to be close to or even lower than the safety voltage of the human body, so that the life and property safety can be furthest guaranteed, and the electric heating floor can be widely applied to building construction and house decoration.

The invention discloses a thin film type semi-rigid solar cell array and a manufacturing method of the thin film type semi-rigid solar cell array. The cell array comprises a substrate, solar cell components, connecting sheets, cables in the substrate and a frame, the substrate is made of light thin film materials or thin plate materials, the solar cell components are arranged on the front face of the substrate, the connecting sheets are metal sheets laid on the front face of the substrate, one end of each cable in the substrate is wound around the edge of the substrate to be connected with the corresponding connecting sheet, the frame is made of light rigid materials, and the substrate is fixed to the frame. Due to the fact that the substrate of the semi-rigid solar cell array is made of the light thin film materials or thin plate materials, the connecting sheets and the cables in the substrate are all metal sheets laid on the substrate, and the frame is made of the light rigid materials, the thin film type semi-rigid solar cell array has the advantages of being light, small in thickness and high in strength. In addition, the solar cell components, the cables in the substrate and the connecting sheets can be automatically laid, and therefore production efficiency is high, and manufacturing is easy.

The invention relates a high-voltage electrical apparatus, and particularly relates to a combined electrical apparatus of an indoor high-pressure vacuum circuit breaker and an isolation / ground switch, and the combined electrical apparatus is of an integral structure. A circuit breaker is an epoxy sealing type vacuum circuit breaker, is in side-mounted arrangement and is fixedly mounted; a three-position isolation / ground switch is of a rotary structure, a switch blade base of a moving switch blade is directly fixed on a connecting terminal on the vacuum circuit breaker, the moving switch blade is driven to rotate by an operating mechanism through an insulation skeleton, thereby finishing isolation, switch-on and grounding three-position operation; multiple pairs of contact plates of a moving contact of the three-position isolation / ground switch are of a duckbill and spherical contact structure, the moving switch blade can properly swing, and the electrical conduction reliability of a branch bus and an earthing static contact is guaranteed; and the operating mechanism is electrically operated and also can be manually operated. The combined electrical apparatus provided by the invention has the advantages of modern design, compact structure, small volume, short conducting loop, less connection point, low manufacturing cost, high operational reliability and the like.

The invention relates to a construction process for a cast-in-site beam, in particular to the construction process for casting a large-tonnage box beam under a condition that the height of a pier is less than 10m. The construction process is characterized in that: a support pier system formed by a reinforced concrete prefabricated hollow support pier, a steel lattice structured column, a connecting rod and the like bears the load; a height adjusting system formed by an I-shaped steel beam, a longitudinal trussed beam, an adjusting wedge, square stock wood pads arranged as required, a beam falling sand box and the like adjusts an elevation of a bottom mould, sets a camber and transfers the load; and a mould plate system ensures the casting and forming of the concrete, so that the construction process for quickly and safely casting the box beam well in site is formed. The construction process has simple structure and less connecting points, and the deformation of the support pier is easily controlled; the cross section area is big, which facilitates the foundation treatment; the operability is strong, the beam preparation period is short, and the beam is big in rigidity and reliable in stability; and the resources are saved, the cost is lowered, and the construction process is widely applied.

The invention discloses a wagon bogie and a sleeper beam thereof. The sleeper beam comprises a beam body. The two ends of the beam body are provided with protruding portions respectively, wherein the protruding portions are symmetrical about a transverse center line. The protruding portions are provided with installation holes connected with a wagon body and anti-snaking damper bases are arranged on the two protruding portions located on one side of the transverse center line. The two ends of the beam body are further provided with secondary spring bases symmetrical about a lengthwise center line. Wing plates symmetrical about the transverse center line are arranged in the middle of the beam body and installation holes for installing traction pins are formed in the wing plates. The sleeper beam structure can be connected with a traction system of the bogie, anti-snaking dampers of the bogie and secondary springs of the bogie, connection between the sleeper beam and the wagon body is easy to realize, therefore, through the sleeper beam structure, connecting points between the bogie and the wagon body can be reduced and the assembling difficulty and the splitting difficulty between the bogie and the wagon body can be greatly reduced.

The invention discloses a die cutting method for keeping the finished product edge of a packaging paper box being flush with a paper gripper edge. The die cutting method comprises the steps that 1, the position, printed on paper, of an image is adjusted so that the finished product edge on the paper can be flush with the gripper edge; 2, a steel knife is not placed at the finished product edge, and a die cutting plate is produced with the distance difference formed between the inner edge, in the front-back direction, of a die cutting plate mounting frame and the front edge of a bottom plate asthe distance between the edge of a finished product and the plate edge; 3, the mounting position, in the left-right direction and on a die cutting machine, of the die cutting plate is adjusted, so that gripper teeth do not touch the steel knife and a steel wire of a transverse cutting plate; and 4, transverse cutting is started, and a front lay and side lays of the die cutting machine are adjusted according to the finished product requirement. By means of the die cutting method, the problem that paper edges are wasted is solved, and the work amount for clearing away the waste paper edges is reduced; in addition, the problem that the paper obtained after die cutting is likely to be broken in the delivery process to affect production efficiency is avoided; connecting points can be reduced;and the attractive appearance and waste removal can be achieved conveniently.

The invention discloses a chain dig device of self-propelled submarine cable embed device, whose compression arm is box covered by chain, front end is pipe inserted into rotational base to form a rotational shaft. Wherein, the rotational base via connection plate is mounted on the body of embed device; the inside hydraulic motor is connected to the chain wheel of dig chain; a caterpillar steel plate with cutting teeth is mounted on the chain; one end of compression hydraulic cylinder is mounted on the frame of embed device while another end is connected to the pipe structure of compression arm; a chain tension device is mounted inside the free arm of compression arm; the lower support is mounted above the compression arm while its one end is connected with one end of compression arm; the compressor is U-shape section frame via the side hinge shaft hinged with compression arm and above the lower support; and one end of open cylinder is hinged with compression arm while another end mounted on the side hinged shaft. The invention apply exchange with simple structure, lower cost and the application in self-propelled or floating self-propelled submarine cable embed device.

The invention discloses a mine explosion-proof and intrinsically safe drive center, and relates to a voltage change and motor speed controller which can be applied in hazardous locations, such as coal mines and tunnels and the like with explosive gas, such as gas and the like, and coal-dust explosion risks. The invention aims at providing a device which can achieve explosion-proof and waterproof requirements in a coal mine and integrates voltage change, motor starting, speed regulation and protection into a whole. The adopted technical scheme is as follows: a mine explosion-proof high-voltage vacuum power distribution device, a dry-type transformer used in a mine mobile substation, and a mine explosion-proof and intrinsically safe transducer are respectively arranged in three independent explosion-proof boxes; and the three explosion-proof boxes are connected through flanges. The mine explosion-proof and intrinsically safe drive center can be widely applied in hostile environments, such as mines, opencut coal mines, ports, tunnels and the like.

The invention provides an improved refrigerator hinge. The improved refrigerator hinge comprises a fixing seat, a hinge seat and a hinge assembly arranged between the fixing seat and the hinge seat. The hinge assembly comprises a first transmission arm, a second transmission arm, a rear transmission arm and a lower transmission arm. One end of the first transmission arm is hinged to the fixing seat, and the other end of the first transmission arm is hinged to a buffering head. One end of the rear transmission arm is connected with the buffering head, and the other end of the rear transmission arm is hinged to the hinge seat. One end of the second transmission arm is hinged to the fixing seat, and the other end of the second transmission arm is hinged to the rear transmission arm. One end of the lower transmission arm is hinged to the second transmission arm, and the other end of the lower transmission arm is hinged to the hinge seat. The first transmission arm is provided with an elastic buffering device. The buffering head acts on the buffering end of the elastic buffering device for linear buffering. One or more assembling plates are integrally formed on the fixing seat. In the hinge starting state, the second transmission arm stretches across the fixing seat and the hinge seat. The improved refrigerator hinge is stable and reliable in performance, stable and reliable in structure and capable of effectively preventing water, dirt and the like from being accumulated.

The present invention discloses a heat treatment method for improving usability of high niobium strengthened monocrystal high-temp. alloy, and said method includes the following steps: 1). high-temp. homogenization treatment: placing sample in 1140-1170 deg.C temp. environment, heat-insulating for 5-30 hr. to eliminate harmful phase and niobium segregation, and cooling; and 2). conventional ageing treatment to separate out strengthening phase so as to obtain the invented product.

The invention discloses a vehicle balance suspension assembly structure. A vehicle frame is used as a carrying body of a suspension system; the two ends of a steel plate spring are fixed on the upperend of a vehicle axle through a bridge passing end assembly; a balance shaft up-mounted structure is used; the steel plate spring is arranged at the lower end of a balance shaft case; under the condition that the height distance between the vehicle axle and the vehicle frame, the dimension and the weight of the balance shaft support seat can reach the optimum state; the whole equipment weight is reduced; meanwhile, during the load bearing, the weight is transmitted to the balancing shaft case by the vehicle frame, and is then transmitted to the steel plate spring and the vehicle axle; the fixed connection stress condition between the balance shaft case and the steel plate spring is reduced; the influence by the load bearing weight is avoided; the reliability is greatly improved; the service life is prolonged. The device uses the shaft end assembly of the balance shaft to rotationally connect the steel plate spring and the vehicle frame; the self adaptation capability of the conventional balance suspension to the uneven pavement is realized; the relative rotation height between the two vehicle axles is increased; the vehicle balance suspension assembly structure can adapt to complicated off-roads; the structure is simple; the weight is light; the universalization degree is high.

The invention belongs to the field of tethered aerostats, and provides a pulley buncher. The pulley buncher comprises a bunching disk (1), fixed pulleys (2), rotating shafts (3) and rope clamping devices (4). The fixed pulleys (2) are fixed on the bunching disk (1) through the rotating shafts (3) and can rotate around the rotary shafts (3), and the relative angles of the fixed pulleys (2) and thebunching disk (1) are changed. Inhaul cables (5) bypass the fixed pulleys (2) and both ends of the inhaul cables are fixed on an airship, and the rope clamping devices (4) are close to the fixed pulleys (2) and fixed to the inhaul cables (5). According to the pulley buncher, the positions of the rope clamping devices (4) on the rear side can be adjusted according to the static balance of the tethered airship, and the positions of the front rope clamping devices (4) are adjusted through the wind resistance grade and wind resistance of the airship; and the effective load of the tethered airshipcan be effectively increased, and the anti-wind capability is improved.

The invention relates to a multifunctional switch apparatus with an automatic reclosing function, which comprises a switch body, and a controller with the automatic reclosing function, wherein the switch body comprises a main circuit contact arc-extinguishing system, an electromagnetic system and an operating mechanism, and the controller with the automatic reclosing function comprises a microprocessor circuit, a signal acquisition circuit, a power circuit, a man-machine interface circuit and a driving and controlling circuit. In the multifunctional switch apparatus provided by the invention, a simple electric component can replace several components of the traditional power distribution system, and the automatic reclosing function is provided, so after faults occur, reclosing can be carried out after delay, thereby ensuring the continuity of power supply.

The invention discloses an electromagnetic pressure protection water discharge valve. The valve is connected between a water discharge inlet and a water discharge outlet, and comprises a valve body and a valve, wherein a water discharge passage is formed in the valve body; the valve is movably arranged in the water discharge passage; the valve body is provided with an electromagnetic valve; and the valve is arranged on the electromagnetic valve and is opened and closed through the action of an armature of the electromagnetic valve. Due to the adoption of the electromagnetic valve, the water discharge valve is opened and closed through the action of the electromagnetic valve, so that water is not required to be discharged by squeezing by using the gravity of the water to prevent the phenomenon of water logging due to incapable discharge of a small amount of water when the water is available, and the valve is not required to be sealed through air pressure to overcome the defect of difficulty in sealing of the valve in the presence of insufficient air pressure when the water is not available, and the valve is not influenced by vibration produced during running of a train to prevent water leakage and air leakage phenomena caused by the vibration; and the valve fills the blank in the technology of the pressure protection water discharge valve of a domestic high speed train of China and has great practical value for the domestication of the China high-speed multiple units.

The invention discloses a low-temperature heat-not-burn electronic cigarette heating element and a constant-temperature control device. The device comprises the electronic cigarette heating element, abistable switch circuit, a heating constant-temperature circuit and a switching circuit. A heating wire of the electronic cigarette heating element can serve as a thermocouple, the bistable switch circuit, the heating constant-temperature circuit and the switching circuit are mounted on a circuit board in the electronic cigarette body, and a positive electrode of a lithium storage battery in theelectronic cigarette body is connected with the bistable switch circuit, the switching circuit and the heating constant-temperature circuit through wires. A positive electrode of the heating wire of the heating element is made of nickel-chromium alloy while a negative electrode is made of nickel-silicon alloy or any other materials which can be used as the thermocouple. By integration of the heating wire and the thermocouple, small size, compact structure and low cost are realized; due to reduction of connection points on a heating wire base plate, probability of faults is reduced correspondingly. In operation of the heating wire of the heating element, the heating wire can serve as the thermocouple to output signals to the heating constant-temperature circuit at pulse intervals, and the heating constant-temperature circuit controls the heating element to operate at a constant temperature.