113results about How to "Solve layout difficulties" patented technology

The invention discloses a high temperature electrical capacitance tomography sensor and a production method thereof. The sensor can be applied to a 300 DEG C high temperature environment. The sensor includes high temperature-resistant array-distributed measuring electrodes, a shaft end shielding electrode, an insulation and isolation layer, an outer shield cover and a signal transmission line, wherein the array distribution electrodes comprise N measuring electrodes; and the signal transmission line comprises a high temperature section and a normal temperature section and comprises a cable core, an insulating layer and a shield silk screen. In the invention, the defect of no resistance of traditional sensors to a high temperature is improved, the problem of difficulty in arrangement of electrodes in the high temperature environment is solved, the electrodes and the outer shield cover are isolated and fixed by a high temperature-resistant insulating material, and signals of the measuring electrodes are led out through the high temperature signal transmission line, so an effective means is provided for researching gas and solid two-phase distribution, the fluidization characteristics and relevant reaction monitoring in the high temperature environment, and the application field of an electrical capacitance tomography technology is widened.

The invention provides a dual-clutch series-parallel hybrid power driving device and a control method thereof, belonging to the technical field of automobiles. The problems of complex structure and difficulty in upgrade of a platform of the prior art can be solved by the invention. The device comprises wheel left and right semi-axes on a vehicle chassis and a storage battery, wherein the wheel left and right semi-axes are connected through a differential, a power generation electric motor and an engine are arranged on the other side, an output shaft of the engine is connected with an engine shaft, a first clutch for controlling the engagement and disengagement of the output shaft of the engine and the engine shaft is arranged on the engine shaft, the engine shaft and the power generation electric motor are connected through a first-stage gear transmission mechanism, the engine shaft and the differential are connected through a second-stage gear transmission mechanism, a second clutch is arranged in the second-stage gear transmission mechanism, an electric motor is arranged on the other side of the wheel left and right semi-axes, the electric motor and the differential are connected through another second-stage gear transmission mechanism, and both the power generation electric motor and the electric motor are connected with the storage battery. The device has the advantages of compact structure, effectivity, energy conservation and the like.

The invention discloses a physical condition monitoring device, a safety alert monitoring system and a safety alert monitoring method. The physical condition monitoring device is used for the safety alert monitoring system, and the physical condition monitoring device is adorned by an object to be monitored to detect the physical condition of the monitored object and transmit condition data. The physical condition monitoring device comprises an outer housing, a sensor, a GSM (global system for mobile communications) module, a wireless ZigBee module and a microprocessor, wherein the sensor is arranged within the outer housing to acquire acceleration data; the GSM module is used for sending an alarm short message; the wireless ZigBee module is used for sending the physical activity status information of the monitored object; and the microprocessor is packaged within the outer housing, and is connected with the sensor, the GSM module and the wireless ZigBee module to receive the accelerated data and determine the physical condition of the monitored object. The safety alert monitoring system is used for receiving, storing and displaying the physical activity status information of the monitored object. The physical condition monitoring device, the safety alert monitoring system and the safety alert monitoring method are suitable for the application under the environment of families and communities, convenient to use, simple to configure, and high in system reliability.

The invention discloses a brake pedal stroke calculation device and a brake pedal stroke calculation method. The brake pedal stroke calculation device comprises a brake pedal, a brake master cylinder, a brake signal switch, a pressure sensor and a pedal stroke analogue controller. The brake signal switch is used for detecting whether the brake pedal is stepped on or not and transmitting brake switch signals to the pedal stroke analogue controller, and the pressure sensor transmits acquired master cylinder pressure signals to the pedal stroke analogue controller. According to the brake switch signals and the master cylinder pressure signals, a pedal opening degree is calculated on the basis of a relational expression preset in the pedal stroke analogue controller. By the brake pedal stroke calculation device and the brake pedal stroke calculation method, adoption of pedal stroke sensors is avoided, and accordingly vehicle cost is effectively reduced.

The invention provides an unmanned aerial vehicle accurate landing method based on a single base station. The method is characterized by comprising the following steps: under the condition that a to-be-landed unmanned aerial vehicle reaches a preset area, enabling the unmanned aerial vehicle to execute oscillation motion without deviating from the x axis by taking a single base station as an original point and the direction pointing to the unmanned aerial vehicle as an x axis according to distance information acquired in real time of the unmanned aerial vehicle relative to a base station and flight mileage information acquired in real time of the unmanned aerial vehicle so as to form a fan-shaped convergence track until landing of the unmanned aerial vehicle at a target position. Accordingto the invention, low-cost and precise convergence landing of the unmanned aerial vehicle can be realized; problems that the unmanned aerial vehicle is difficult to arrange due to the limitation of the space environment in the construction of the existing UWB positioning environment with three or more base stations can be solved; and a problem that the position information of the unmanned aerialvehicle is difficult to obtain and the stability of the system is insufficient when the unmanned aerial vehicle performs navigation landing in the UWB single base station positioning environment can be solved.

The invention provides a high-energy pulse wet movable ash-removing electrostatic dust collector to overcome the problem that conventional dust collectors cannot effectively trap fine particles with particle sizes of 0.1 to 2.0 [mu]m. The high-energy pulse wet movable ash-removing electrostatic dust collector comprises a shell; the shell is provided with a dust-containing gas inlet and a purified gas outlet; a high-pulse electric field is arranged in the shell; an ash discharging hopper is arranged at the lower part of the shell; an elevating ash-removing mechanism movable along a vertical direction is arranged between the inlet and the outlet and comprises a gas inlet and gas outlet; a dust cleaning hairbrush and a horizontally arranged spray pipe are mounted in the elevating ash-removing mechanism; the spray pipe is provided with a plurality of sprinkler heads; a dust self-discharging door is arranged at the lower end of the elevating ash-removing mechanism; and the shell is provided with an elevating mechanism used for lifting the elevating ash-removing mechanism. The electrostatic dust collector is an integrated movable ash-removing apparatus with water spraying and cleaning functions; a spraying method and an overflowing method can be chosen according to different operational modes, so the advantages of both the spraying method and the overflowing method are retained; and the electrostatic dust collector reaches an advanced level at home and abroad.

The invention discloses a natural ventilation tunnel structure. The natural ventilation tunnel structure comprises a tunnel body and a plurality of ventilation wells. The ventilation wells are arranged at intervals in the length direction of the tunnel body. Air inlets of the ventilation wells are communicated with the top wall of the tunnel body. Each ventilation well is provided with an air outlet. The air outlets are formed in a road middle isolation strip on the ground above the tunnel body, and the air outlets are formed at intervals in the length direction of the road middle isolation strip. According to the natural ventilation tunnel structure, the problem that ventilation wells of long and large tunnels, especially urban tunnels, are hard to arrange is solved, natural ventilation of the tunnel is effectively achieved, and the building and operating cost of the tunnel is saved. Meanwhile, disperse exhausting of waste gas can be achieved through the exhaust structure capable of breaking up the whole into parts, and pollution and influence of centralized exhausting to the environment are greatly reduced.

The invention provides an arrangement structure of a subcritical circulating fluidized bed boiler. A steam pocket is arranged between a hearth and a cyclone separator in stead of boiler front arrangement, and a steam pocket down-comer is downwards arranged along the rear wall of the hearth; therefore, the problems of difficult coal supply of the subcritical circulating fluidized bed boiler and difficult arrangement of the down-comer are solved, and meanwhile, the boiler increases large boiler front space on arrangement and is convenient for operation, maintenance and overhauling.

The utility model relates to a dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform, which belongs to the technical field of high-voltage testing in the electric power industry, and in particular relates to a dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform. The invention provides a high-efficiency and accurate dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform. The invention includes a pressure equalizing cap at the end of a dry-type composite insulating wall bushing, a flange pressure equalizing ring, an insulating outer cylinder and an insulating inner cylinder. On the metal base support plate, a hydraulic pump is arranged on the metal base support plate in the middle of the insulating outer cylinder. The upper end of the hydraulic pump is connected with a hydraulic cylinder. The outlet of the hydraulic pump is connected with the hydraulic oil inlet of the hydraulic cylinder. The middle parts of the transverse connecting arms are connected.

The invention belongs to the technical field of cloth treating equipment, and particularly provides cloth treating equipment. The problem that an external power supply of existing cloth treatment equipment is difficult to arrange is solved. To achieve the purpose, the cloth treatment equipment comprises a rotating part and a static part, and further comprises magnet supply modules, a magnet induction power generation module and a light-emitting lamp; the magnet supply modules are fixed on the static part corresponding to the position of the magnet induction power generation module; the magnetinduction power generation module comprises a first shell, a coil and a magnetizer, wherein the first shell comprises a barrel body and a barrel cover, the barrel body is fixed to the rotating part, the coil is fixed to the inner side of the barrel body, the magnetizer is fixed to the inner side of the coil and corresponds to the magnet supply modules, and the barrel cover seals the coil and the magnetizer in the barrel body; the light-emitting lamp is electrically connected with the coil and is fixed on the first shell; and the magnet supply modules generate a magnetic field, and when the rotating part rotates relative to the static part, electric energy is generated in the magnet induction power generation modules, the light-emitting lamp is powered up.

The invention relates to the field of steel refining by vacuum treatment, and particularly relates to a jacking ladle car and applications of the jacking ladle car in a vacuum circulating degasification refining method. The jacking ladle car comprises a car body (11) and a wheel group (12). The jacking ladle car is characterized by also comprising electric jacks (2), a support frame (3), motors (4), a double-input double-output speed reducer (5) and a pneumatic motor (6); bases of the electric jacks (2) are respectively fixed at the four corners at the upper part of the car body (11); movable rods of each electric jack (2) are respectively fixed into pits at the lower parts of the four corners of the support frame (3); and a rotating shaft of each motor (4) is connected with an input shaft of the double-input double-output speed reducer (5), and two output shafts of each double-input double-output speed reducer (5) are connected with one electric jack (2). The jacking ladle car is simple in structure, convenient to manufacture, safe and reliable.

The invention discloses a method for calculating opening and closing force of an automobile tail door gas spring. The method comprises the following steps: a gas spring support model in CATIA is established; after the gas spring supporting model is established, mechanical balance parameters are established; the coordinates of the mounting points of a tail door on a vehicle body and the coordinatesof the mounting points of the gas spring on the tail door and the vehicle body are accurately obtained according to the mechanical balance parameters; and finally, importing of the coordinates of themounting points of the tail door on the vehicle body and the coordinates of the mounting points of the gas spring on the tail door and the vehicle body into an Excel calculation program is carried out, and the influence of the air temperature on the parameters of the gas spring is defined. Opening force and closing force at different temperatures and different door opening angles are calculated respectively, and a relation curve of the opening force and the door opening angles and a relation curve of the closing force and the door opening angles are obtained. The method reasonably and effectively solves the difficult problem of tail door gas spring arrangement, saves the arrangement time, and improves the design accuracy and scientificity.

The invention relates to an automatic monitoring system, method and device for tunnel deformation. The system comprises a first observation station point, a second observation station point, a first reference point, a second reference point, a connecting point and a server, wherein the server is in communication connection with the first observation station point and the second observation stationpoint respectively; the first observation station point is used for monitoring and obtaining the first observation data of the first reference point and the connecting point and transmitting the first observation data to the server respectively; the second observation station point is used for monitoring and obtaining the second observation data of the second reference point and the connecting point and transmitting the second observation data to the server respectively; the server is used for calculating and obtaining the three-dimensional coordinates and orientation angles of the first observation station point and the second observation station point and the three-dimensional coordinates of the connecting point according to the received first observation data, the received second observation data and the prestored three-dimensional coordinates of the first reference point and the second reference point. According to the automatic monitoring system for tunnel deformation, realizablelayout distance between the two observation station points is increased effectively, and the problem that monitoring dots in a subway tunnel large-deformation area is difficult to lay out is solved.

The invention discloses a modular stereo garage capable of charging electric automobiles. The modular stereo garage is composed of a plurality of modular garage units, wherein each garage unit comprises a garage frame, a moving trolley, a charging pile and vehicle carrying plates; the plurality of vehicle carrying plates are slidably arranged on a vehicle carrying plate guide rail of each garage frame, a charging terminal is arranged at each vehicle carrying plate, and the output ends of the charging terminals can be connected with charging ports of the electric automobiles; the moving trolleys are slidably arranged on moving trolley guide rails on one sides of the garage frames, and the wiring ends of the moving trolleys are connected with the output ends of the charging piles; the wire plugging ends of the moving trolleys can be connected with the input end of the charging terminal on each vehicle carrying plate; the charging piles are arranged at one ends of the garage frames and donot interfere with the vehicle carrying plates; and the moving trolleys can move to the positions of the corresponding vehicle carrying plates to enable the charging piles to charge the electric automobiles at the corresponding positions through the moving trolleys and the corresponding charging terminals. Each garage unit of the stereo garage is only provided with one charging pile, so that a plurality of parking spaces share one charging pile.

The invention discloses a lifting gear for glass of a vehicle window. A glass lifting limit block is arranged at the position close to the lower bead of the glass of the vehicle window and facing to the surface of a reinforced plate of a plate tray inside a door panel and is fastened with the glass of the vehicle window; a glass lifting stopper is arranged at the position close to an upper bead of the reinforced plate of the plate tray inside the door panel and facing to one surface of the glass of the vehicle window and is fastened with the reinforced plate of the plate tray inside the door panel; when the glass of the vehicle window is lifted to the highest position, the glass lifting stopper is contacted with and blocks the glass lifting limit block. By adopting the technical proposal, the accurate adjustment and installation and stable movement of the lifting limit of the glass for a frameless vehicle window through a lifting limit auxiliary device and a lateral surface limit auxiliary device. The auxiliary device has a compact structure, thereby saving great space for an internal cavity of a door and solving the problem of difficult arrangement of indoor accessories. Meanwhile, a groove holder can be arranged on the side wall, thereby greatly reducing the weight of the door and saving the cost.

The invention provides a multifunctional automatic water spray fire-extinguishing device which comprises a valve body separated into an upper cavity and a lower cavity by a separator and a valve plate, as well as an open sprinkler communicated with a water outlet of the valve body, wherein a water inlet cavity is formed in the upper part of the valve body, and a water outlet cavity is formed in the lower part of the valve body; the valve plate is connected to an opening in the separator; a first valve rod is connected to the center of the valve plate; a magnet is arranged on the lower side wall of the water outlet cavity; a vertically downward fixed rod is connected to the valve body; a guide bracket which is horizontally arranged is fixedly connected to the fixed rod; the first valve rod passes through a hole in the lower side wall of the water outlet cavity and a hole in a guide bracket, and the lower end of the first valve rod is vertically connected with a first glass ball in a pressing manner; the first glass ball is supported by a supporting plate, and the supporting plate is fixedly connected with the guide bracket through a lifting rod. According to the device disclosed by the invention, the problem that a spray header needs to be vertically arranged when the projection area of a transparent suspended ceiling is 15-70 percent is solved, the problem that water stored in a conventional dry pendent sprinkler adapter tube is frozen is also solved, and moreover, the problem that an upright sprinkler is difficult to arrange due to the influence of a blocking object is solved.

The invention discloses a multi-rope lifting system for an ultra-deep vertical shaft and a guiding method of the multi-rope lifting system, and belongs to the technical field of mine lifting. The multi-rope lifting system comprises an upper guiding wheel system, a lower guiding wheel system, a front lifting container, a rear lifting container, a driving unit, a front lifting rope, a rear lifting rope, a tail rope and a plurality of balance head ropes, wherein the front lifting rope is lapped on the upper guiding wheel system, one end of the front lifting rope is connected with the top of the front lifting container, and the other end of the front lifting rope is connected with the driving unit; the rear lifting rope is lapped on the lower guiding wheel system, one end of the rear lifting rope is connected with the top of the rear lifting container, and the other end of the rear lifting rope is connected with the driving unit; one end of the tail rope is connected with the bottom of thefront lifting container, and the other end of the tail rope is connected with the bottom of the rear lifting container; and the balance head ropes are lapped on the upper guiding wheel system, one end of each balance head rope is connected with the top of the front lifting container, and the other end of each balance head rope is connected with the top of the rear lifting container. According tothe multi-rope lifting system, the balance head ropes are arranged, so that the traction load borne by the driving unit is greatly reduced, the effective service life of the driving unit is greatly prolonged, and the multi-rope lifting system for the ultra-deep vertical shaft can carry out lifting operation with larger load.

The invention relates to a screw air inlet channel of single cylinder jet diesel engine whose cylinder diameter is 75-80mm. wherein, the invention is arranged inside the cylinder; the inlet channel is formed by inlet of air channel, screw room and the outlet of screw room; the screw room is formed by several sections of solid arcs which are tangent. The invention can generate high-vortex rate to meet the demand of jet diesel engine, without reduced air inlet and increased inlet resistance.

The invention discloses a combustion chamber structure of a circulating fluidized bed boiler. An air distribution plate and a combustion chamber on the lower portion of the structure are both of an annular structure. Pipes of inner ring water cooling walls of the combustion chamber are inclined upwards and inwards and combined into multiple water cooling pipe panels of which double sides are heated in the boiler center line position at a junction of a dense-phase zone and a lean-phase zone of the combustion chamber, the water cooling pipe panels extend vertically and upwards and penetrate through the combustion chamber from a ceiling of the combustion chamber, and all water cooling pipe panels of which the double sides are heated are discontinuously arranged on the boiler center line. Multiple groups of superheated steam pipe panels of which the double sides are heated are further disposed on the two sides of each water cooling pipe panel of which the double sides are heated. The superheated steam pipe panels are perpendicular to the water cooling pipe panels of which the double sides are heated. The superheated steam pipe panels enter the combustion chamber from the lower portion of an inner ring of the annular combustion chamber and penetrate to outside from the top of the combustion chamber. The combustion chamber structure is applicable to the circulating fluidized bed boiler with the capacity level being lower than 660 MW or being 660 MW or above, so that the problems of limit of the annular combustion chamber on boiler capacity, arrangement of a heated surface in the boiler and the like are better solved, and the combustion chamber structure can adapt to schemes of circulating fluidized bed boilers of which the capacity levels are different.

The invention relates to the technical field of internal combustion and electric locomotive filtration, and particularly relates to an inertial filter combined module for internal combustion and electric locomotives. A plurality of parallel inertial filters are clamped between filter rear covers and filter front covers; filter rear cover installation holes are formed in the filter rear covers; the filter rear covers are fastened into installation screw seats of side wall installation beams through filter rear cover installation bolts so as to fix the filter rear covers; filter front cover installation holes and filter front cover installation notches are formed in the filter front covers, and the filter front covers are fastened into installation screw seats of the side wall installation beams through filter front cover installation bolts so as to fix the filter front covers. When the inertial filters are cleaned, only the filter front cover installation bolts are screwed off, and the filter front covers are dismounted, so that the inertial filters can be taken out without screwing off the filter rear cover installation bolts. The basic problem that the running and maintenance of the inertial filters need to be carried out on locomotives so as to be inconvenient is solved.

The invention provides a multi-way valve device, and belongs to the technical field of valves. The multi-way valve device comprises a power driving device; a plurality of valve elements, wherein each valve element is driven by the power driving device to rotate, and a plurality of sets of communicated valve element openings are arranged in each valve element; and a plurality of end plate, wherein each end plate covers each valve element, each end plate is provided with a plurality of connectors used for communicating the corresponding valve element openings with the outside, and each connector is located on the motion trail of at least one valve element opening of the corresponding valve element, and therefore, when each valve element rotates to each target angle, each valve element opening of the valve element is communicated with the target connector at the corresponding end plate. The multi-way valve device provided by the invention is high in integration level, and the cost can be reduced.

The invention discloses a multilevel condensation water heating system which comprises a boiler, a tail smoke processing system and a smoke waste heat recycling system. The steam output end of the boiler is respectively connected with an air preheater and a turbine. The condensation water input end of the boiler is connected with a high pressure heater, a first level air water heat exchanger is arranged in a smoke channel where a booster fan is connected with an absorption tower, a second level air water heat exchanger is arranged in a smoke channel where the air preheater is connected with a dust remover, the input end of the first level air water heat exchanger is connected with the condensation water input end of a low pressure water heater, the output end of the first level air water heat exchanger is connected with the input end of the second level air water heat exchanger through a pipe, and the output end of the second level air water heat exchanger is connected with the condensation water output end of the low pressure heat exchanger. The multilevel condensation water heating system adopts multilevel heat exchange, can completely utilize smoke waste heat, and can effectively resolve the problem that a traditional low temperature heater is apt to ash blocking, easy to corrode, easy to abrade and high in construction cost.

The invention relates to an electric wheel independent suspension structure with four control arms. The independent suspension structure comprises a wheel (25), a hub motor, a steering knuckle (4), aframe (26) and an independent suspension. The steering knuckle (4) is fixedly connected with the hub motor. The independent suspension comprises a vibration reduction assembly and a control arm assembly. The control arm assembly comprises a first upper control arm (9), a second upper control arm (13), a first lower control arm (18) and a second lower control arm (20) of which the two ends are connected with the steering knuckle (4) and the frame (26) through spherical hinges respectively, wherein the extension lines of the connecting lines of the centers of spherical hinges at the two ends ofthe first upper control arm (9) and the second upper control arm (13) intersect at an upper virtual spherical hinge point (6), and the extension lines of the connecting lines of the centers of spherical hinges at the two ends of the first lower control arm (18) and the second lower control arm (20) intersect at a lower virtual spherical hinge point (24). Compared with the prior art, the structurehas the advantages of space saving, strong flexibility and the like.

The invention relates to a radio frequency module and electronic equipment. The radio frequency module comprises a radio frequency transceiving module, a first antenna, a second antenna, a first triplexer and a second triplexer; the radio frequency transceiving module is used for transceiving a radio frequency signals; the first antenna is used for transmitting a first transmitting signal, receiving a first main set receiving signal and receiving a second diversity receiving signal; the first end of the first triplexer is connected with a radio frequency transceiving module, and the second endof the first triplexer is connected with a first antenna and used for isolating the first transmitting signal, the first main set receiving signal and the second diversity receiving signal; the second antenna is used for transmitting a second transmitting signal, receiving a second main set receiving signal and receiving a first diversity receiving signal, wherein the frequency bands of the firsttransmitting signal and the second transmitting signal are different; and the first end of a second triplexer is connected with the radio frequency transceiving module, and the second end of the second triplexer is connected with the second antenna and is used for isolating the second transmitting signal, the second main set receiving signal and the first diversity receiving signal.

The invention discloses a filling block for measuring gear oil film thickness by an eddy current method, which comprises a filling block body and a sensor mounting block mounted on the filling block body, and the bottom end of the sensor mounting block is connected with the top end of the filling block body; the filling block body is generally cuboid-shaped, and a step surface is formed between the sensor mounting block and the filling block body; the shape of the step surface is the same as that of a tooth groove of a to-be-measured gear, the contact surface of the sensor mounting block and the step surface is the same as that of the tooth surface of the to-be-measured gear, and the height between the step surface and the top surface of the sensor mounting block is the tooth height of the to-be-measured gear; the sensor mounting block is provided with a sensor mounting hole, the sensor mounting hole is a blind hole, and the sensor mounting block is also provided with a sensor threading hole. According to the invention, the problem that the eddy current sensor is difficult to arrange in the prior art is solved, so that the eddy current sensor can be better applied to the measurement of the oil film thickness of various rotating machines, especially gears.

The invention belongs to the technical field of clothes treatment equipment, and particularly provides clothes treatment equipment. The invention aims to solve the problem that an external power supply of existing clothes treatment equipment is difficult to arrange. The clothes treatment equipment comprises a rotating part and a static part; the rotating part is arranged in the static part in a self-rotating mode; the clothes treatment equipment further comprises a magnet supply module, a magnet induction power generation module and a luminescent lamp; the magnet induction power generation module is fixed on one of the rotating part and the static part; the magnet supply module is fixed on the other one of the rotating part and the static part in a mode of corresponding to the position of the magnet induction power generation module; the luminescent lamp is electrically connected with the magnet induction power generation module and is fixed on the magnet induction power generation module or is fixed on the rotating part or the static part together with the magnet induction power generation module; the magnet supply module generates a magnetic field; and when the rotating part rotates relative to the static part, the magnet induction power generation module reciprocates on a path close to or away from the magnet supply module, so that electric energy is generated in the magnet induction power generation module to supply power to the luminescent lamp.

The invention discloses an eccentric arrangement method and device for a turntable on a curved steel truss girder, and the method comprises the steps: arranging a spherical hinge assembly at a pier top at a preset transverse eccentric distance away from the center line of the steel truss girder; arranging a steel box girder at the upper part of the spherical hinge assembly; arranging a space inclined supporting rod on the upper portion of the steel box girder, and supporting the steel truss girder on the upper portion of the space inclined supporting rod; and with the center line of the spherical hinge assembly as the center line of the swivel, rotating the pier top of the steel truss girder. The problem that the rotary table is difficult to arrange on the beam bottom of the steel truss beam is solved, and safe and effective transmission of loads is achieved.