75results about How to "Guaranteed transfer efficiency" patented technology

The invention discloses a method for improving the bench blasting quality of a deep-hole of super-hard rocks. The method includes the following steps that blast holes are formed in a step of a blast area, hole mesh parameters are determined, and perpendicular drilling is conducted; explosive loading structures are determined, and the explosive loading structures for segmented explosive loading and mixed explosive loading are adopted in the blast holes at the same time; explosives are determined, wherein the explosives are selected according to according to matching coefficients of explosive wave impedance and rock wave impedance; blasting parameters are determined and include the length W of a resistance line of a base plate, the hole pitch a, the row distance b, the super depth h and the blast hole filling length l; and blasting is conducted, wherein the explosives are loaded, the blast holes are filled with stemming on the tops of the blast holes, reverse blasting is conducted from the bottoms of the blast holes, and blasting is conducted in an inter-hole elementary error sequence. According to the method for improving the bench blasting quality of the deep-hole of super-hard rocks, due to the fact that the hole mesh parameters, the explosive loading structures, the explosives, the blasting parameters, the blasting position and the blasting sequence are reasonably selected, multi-way comprehensive functions are achieved, the performance of the explosives is fully achieved, the sufficient reaction of the explosives is ensured, the utilization rate of the blast holes is increased, and the boulder frequency and bedrocks of rock blasting are reduced.

The invention discloses a monitor device with clinic information system, which is characterized by the following: comprising parameter collecting module, monitor treating module, exhibiting drive module and exhibiting terminal; collecting life sign signal with parameter collecting module; treating; exporting to monitor treating module; computing and treating the life sign signal with the monitor treating module; exporting to the exhibiting drive module; exporting to display terminal at last; comprising the clinic information treating module; receiving clinic basic data; treating the task and data of clinic information system; connecting the clinic information treating module and displaying driving module; combining the displaying data of the monitor treating module and the clinic information treating module; exporting to display terminal. This invention can make doctor check electronic medical record and testing data conveniently.

The invention discloses a three-dimensional micro-force sensor capable of measuring sub micro Newton force and a packaging method of the three-dimensional micro-force sensor. The sensor comprises a contact probe arranged on a sensitive chip; the back face of the sensitive chip is provided with a glass substrate; the sensitive chip uses four L-shaped cantilever beams for supporting a centre supporting film crosswise; twelve piezoresistors are arranged on the cantilever beams; the piezoresistors form three groups of Wheatstone bridges; the contact probe is contacted with an measured object to transfer an external acting force to the centre supporting film of the sensor probe, and change the bending of the cantilever beams of the sensor; the piezoresistors detect the change of stresses and output a voltage signal proportional to a loading force via the Wheatstone bridges so as to complete the test of the external contact force. In the packaging of the sensor, a location cover is used for mounting the probe, so that the verticality of the probe is ensured, and the system error and interference error of the sensor are reduced. The invention has the advantages of small volume, low cost, high resolution ratio, and high stability.

The invention provides an information transmission method and an information transmission device for an eNodeB and user equipment. The eNodeB information transmission method comprises the steps of: sending data content of information to be transmitted in a carousel form through concurrence information channels; and completing the information transmission through a subsequent information transmission method judged by the user equipment according to receiving time expectation of unreceived part when the transmitted data content reaches a set threshold value. The invention provides the enhancement type multicast information transmission method and the enhancement type multicast information transmission device for a large amount of user equipment, the enhancement type multicast information transmission method comprises a wireless remote information transmission method and a new multicast transmission method, ensures the efficiency and reliability of information transmission, and eliminates the connectionless feature of traditional multicast. The information transmission method and the information transmission device effectively ensure the information transmission efficiency between the eNodeB and the user equipment based on the strategy of shortest overall expectation time.

The invention provides a cooking utensil and a control method of the cooking utensil. The cooking utensil comprises a body, a heating device, a spraying device and a control device, wherein the body is provided with a hollow cavity structure for containing food, the heating device is arranged on the body and used for providing hot water, the spraying device is arranged on the body, one end of the spraying device is connected with the heating device, the other end of the spraying device is located in the cavity structure and used for spraying hot water to the surface of food, and the control device is arranged on the body and connected with the heating device and the spraying device and used for controlling the heating device and the spraying device to work. The cooking utensil comprises the body, the heating device, the spraying device and the control device, wherein the spraying device sprays hot water to food, food is then cooked, it is avoided that a large volume of water is used when cooking is conducted through a traditional water bath kettle, energy conservation and emission reduction are achieved on the basis of ensuring the nutritional taste and original flavor of food, the cooking time is shortened, and the use experience of a user is improved.

The invention relates to the field of garbage treatment, in particular to a garbage gasification and biomass combustion integrated system. The garbage gasification and biomass combustion integrated system comprises a gasification furnace and a circulating fluidized bed boiler. An inner container is arranged in the gasification furnace. A pulverizing device for pulverizing garbage is arranged abovethe inner container. The gasification furnace is connected with a combustion chamber of the circulating fluidized bed boiler through a gas output pipe. The combustion chamber of the circulating fluidized bed boiler is internally provided with a scattering mechanism. The circulating fluidized bed boiler is connected with a drying furnace through a first smoke output pipe. The drying furnace is provided with a primary biomass feeding device and a secondary biomass feeding device, and the drying furnace is connected with a purification box through a second smoke output pipe. According to the garbage gasification and biomass combustion integrated system, the garbage is conveyed into the gasification furnace to be gasified, then, generated gas is conveyed into the circulating fluidized bed boiler to be combusted together with biomass, and generation of garbage toxic gas is greatly reduced; and the waste heat value is increased, comprehensive treatment is conducted on the garbage and the biomass, the treatment effect is improved, and the environment is better protected.

The invention relates to an inductance energy storage pulse power source utilizing a superconductive pulse transformer and belongs to the technical field of pulse power. The inductance energy storage pulse power source is characterized by comprising the superconductive pulse transformer, a primary side of the superconductive pulse transformer is provided with a primary power source, an output end of the primary power source is separately connected with a conversion branch, a freewheeling branch and two ends of a superconductive pulse transformer primary winding through a controllable switch S1, an energy recuperation branch is connected between the conversion branch and the primary power source, for a secondary side of the superconductive pulse transformer, one end of a secondary side winding is connected with one end of a load control branch, the other end of the secondary side winding is separately connected with at least one set of superconductive energy storage inductance charging branches and one end of a switching branch, and the load control branch, the superconductive energy storage inductance charging branches and the other end of the switching branch are connected at one portion. According to the inductance energy storage pulse power source utilizing the superconductive pulse transformer, multi-modular superconductive energy storage inductors are employed, more energy is released to the load, and an instant overvoltage problem during switch switching is further solved.

The invention relates to a cell membrane particle expressing parafusin and preparation and application of the particle. VSVG is expressed on the cell membrane particle. Biomacromolecules and organelles are wrapped in the cell membrane particle. The cell membrane particle does not have a cell nucleus. The preparation method includes the steps that transient transfection is conducted on Ad293 cells through expression vesicular stomatits virus protein plasmids; the cells are digested through pancreatic enzymes 48 hours after transfection is carried out, and then centrifugation is carried out for 3 min; an obtained cell suspension is placed in a syringe, the syringe is installed in a syringe filter provided with a polycarbonate membrane, the syringe is pushed so that the cell suspension can be pushed from one side of the filter to the other side of the filter, and the cell membrane particle expressing VSVG is obtained. The cell membrane particle expressing parafusin is applied to biomacromolecule and organelle transfer. The membrane particle is larger, can wrap biomacromolecules and mitochondria, and transfers protein and the mitochondria in the aspect of function. Extra chemical reagents are not added, activity of VSVG is effectively maintained, mitochondrion release efficiency of the membrane particle is improved after the membrane particle enters a body, and accordingly mitochondrion transfer efficiency is improved.

The invention discloses an electronic device applied in an EUV (Extreme Ultraviolet) vacuum environment. The electronic device is located in a vacuum cavity, wherein the vacuum cavity is used for providing a EUV light survival environment, and the electronic device comprises an electronic system, wherein the electronic system is located in the vacuum cavity, and the electronic system is used for realizing the electronic functions of a EUV photoetching system; and a sealing shell, wherein the sealing shell is located in the vacuum cavity, and the sealing shell is used for sealing the electronic system and preventing pollutants formed by the electronic system from entering the vacuum cavity. The device is capable of effectively preventing the pollutants formed by the electronic system from entering the vacuum cavity, reducing pollution on the EUV vacuum environment and ensuring the transmission efficiency of EUV light; and a temperature controller and a heat conduction element are used for controlling the temperature of the electronic system in the sealing shell to ensure the normal work of the electronic system.

The invention discloses a method for carrying out high-efficiency cargo transportation activity by utilizing a low-altitude airspace, which comprises the following steps of: 1, establishing an operation management system based on an aircraft operation trajectory in the low-altitude airspace to evaluate a 4D trajectory model generated by a simulator as a basis for plan making and system operation. The method has the beneficial effects that resources in the low-altitude airspace can be fully utilized, the low-altitude airspace resource use contradiction existing in the flight transportation process of the aircraft can be conveniently predicted and solved in time, the running track of the aircraft is optimized in real time, the influence of weather factors is avoided, and efficient cargo transfer is achieved. Meanwhile, full utilization of airport space in a low-altitude airspace can be achieved, the take-off and landing capacity of the airport is improved, potential safety hazards caused by human driving errors can be effectively avoided through dual-mode control operation of the aircraft in the sailing process, and smooth sailing of the aircraft is ensured.

The invention relates to the technical field of intelligent lifting and circulating conveying systems, and discloses a material taking and conveying mechanism, a lifting and conveying mechanism and amulti-layer circulating intelligent conveying system. The material taking and conveying mechanism comprises a material taking driving shaft, a material taking driven shaft and a material taking drivemechanism in transmission connection with the material taking driving shaft. A conveying belt is arranged between the material taking driving shaft and the material taking driven shaft. Material taking arms and material taking driving chain wheels are mounted on the material taking driving shaft. A tray transmission assembly is arranged at the ends of the material taking arms. According to the material taking and conveying mechanism, the lifting and conveying mechanism and the multi-layer circulating intelligent conveying system, the aims of cargo conveying and taking between positions at different heights can be achieved, it is guaranteed that cargoes are taken and conveyed out in time, and the situation that economic losses are caused by cargo accumulation is avoided; and the design layout of the structure is greatly simplified, the transfer efficiency of a device is improved, resource consumption is greatly reduced, and therefore the work efficiency is greatly improved.

The invention discloses a linear vibration motor and a vibration device, and relates to the field of linear vibration motors. The linear vibration motor comprises a housing, an FPC board, a coil assembly, a vibration structure and an elastic member. The FPC board is disposed inside the housing, and the coil assembly, the vibration structure and the elastic member are all disposed inside the housing. The two ends of the elastic member are respectively connected to the vibration structure and the housing, and the coil assembly is connected to the FPC board. The vibration structure comprises a first magnet, a second magnet and a vibration body, wherein the second magnet is connected to one side of the first magnet. The coil assembly stretches into the first magnet from one side, far from thesecond magnet, of the first magnet and is spaced apart from the first magnet, and the vibration body is connected to the outside of the first magnet. The vibration device employs the linear vibrationmotor described above. The linear vibration motor and the vibration device provided by the invention can increase the vibration amount and ensure that a user obtains the information in time.

The invention discloses a method, device and system for realizing information intercommunication under a SCEF scene, and relates the field of the internet of things. The SCEF device receives the firstinformation, performs the information type conversion on the first information to obtain the second information, and sends the second information to a receiver, wherein the type of the first information is one in a NB-IoT non-IP data packet and a short message, the type of the second information is another in the NB-IoT non-IP data packet and the short message. By performing conversion between information in two different types of the NB-IoT non-IP data packet and the short message, the NB-IoT short message function can be realized under the situation that the NB-IoT terminal is unnecessary to receive the short message in an attached way in a circuit domain when an operator develops the NB-IoT network operation, and the message transmission efficiency is guaranteed.

The invention provides a medicine outlet machine which comprises a medicine transferring component. The medicine transferring component comprises a first medicine groove and a second medicine groove which is adjacent with the first medicine groove. The first medicine groove and the second medicine groove extend along the first direction, the first medicine groove comprises a medicine outlet opening and a medicine blocking component which is arranged above the medicine outlet opening, and the medicine blocking component closes the medicine outlet opening. The second medicine groove comprises a medicine inlet opening and a medicine moving component which is arranged below the medicine inlet opening, the medicine moving component comprises a medicine moving rod and a driving component which controls the medicine moving rod to rotate, and the medicine moving component and the second medicine groove comprise medicine moving openings. The medicine moving rod penetrates through the medicine moving openings in a rotated mode and moves medicine in the first medicine groove to the second medicine groove. The medicine outlet machine moves the medicine in the first medicine groove to the second medicine groove through the rotated medicine moving rod, and medicine transferring efficiency is ensured by arranging of rotation speed of the medicine moving rod.

The invention provides a wafer storage library and a transfer system. The storage library comprises two sets of lifting mechanisms; the rails are arranged between the two sets of lifting mechanisms, the rails are sequentially arranged from top to bottom, the two ends of each rail are connected with the two sets of lifting mechanisms respectively, and storing and taking mechanisms are arranged on the rails; the storage racks are arranged on the two sides of the rails, the two storage racks are each provided with a plurality of layers of storage stations, the storage stations are used for storing wafers, and the rails correspond to the storage stations in a one-to-one mode. The lifting mechanisms are arranged on the two sides of the storage frame to transfer the wafers, the transfer efficiency of the wafers is guaranteed, the rails corresponding to the multiple layers of storage stations one to one are arranged, and the storage and taking mechanisms used for storing and taking the wafers are arranged on the rails, so that the storage and taking efficiency of the wafers is guaranteed.

The invention provides a method for designing an oscillating tooth transmission speed reducer. The method includes establishing a basic model of the oscillating tooth transmission speed reducer; updating the basic model, establishing a virtual prototype, obtaining load, displacement, speed and accelerated speed of each part of the oscillating tooth transmission speed reducer, acquiring an ideal value of each critical parameter by a reverse engineering method, redefining common differences of the critical parameters, and completing the design of an engineering drawing of the oscillating tooth transmission speed reducer according to basic values and the common differences of the critical parameters. According to the method for designing the oscillating tooth transmission speed reducer, under the condition that the critical functions of transmission efficiency, return difference and the like of the speed reducer are guaranteed, the developing time can be substantially shortened, the analysis and the drawing are combined, so that a virtual prototype technology can complete integral design of analysis, computation, plotting and production by really combining the actual production, the common difference distribution is reasonable, the speed reducer function is achieved within a maximum common difference range, and the production cost can be greatly reduced.

The invention discloses a light collector. The light collector comprises a lens array plate, a light collecting hole array plate, a light guide groove and a lateral light collecting system; the lightcollecting hole array plate is arranged in the light guide groove; the bottom of the light collecting hole array plate is provided with first-stage reflecting bodies; the lateral light collecting system is arranged on one side of the light guide groove; the lens array plate is arranged above the light guide groove; and the lens array plate and the light guide groove form an integrated closed structure. According to the light collector of the invention, light is irradiated into the light collecting hole array plate through the lens array plate; the reflecting bodies on the light collecting holearray plate are used for reflecting and transmitting the light one by one, and further transmitting the light to the lateral light collecting system; and finally, the light collector can concentrateall the light emitted from the lens array plate into one beam, so that a very strong light collecting effect is generated. The light collector of the invention has the advantages of simple structure,reduced manufacturing cost, decreased size and more convenient installation.

The invention relates to an anti-aging hydraulic oil cylinder with high transmission efficiency, and the anti-aging hydraulic oil cylinder comprises a cylinder body, a sealing plate, a piston rod, anoil pipe, a water tank, a cooling mechanism and two water injection pipes, wherein the cooling mechanism comprises a transmission assembly and two cooling assemblies, the transmission assembly comprises a rack, a circular gear, a transmission shaft and two bearings, and the cooling assembly comprises a driving bevel gear, a driven bevel gear, a rotating shaft, a plurality of rotary vanes and a plurality of supporting units. The anti-aging hydraulic oil cylinder with high transmission efficiency absorbs the heat of the cylinder body through a water solution in the water tank to achieve the purpose of cooling the hydraulic oil, the transmission assembly acts on heating assemblies at two sides to enable the rotary vanes to rotate to drive water flow to flow, the heat is conveniently diffusedin the water solution and is transmitted to the outside after the heat is absorbed by a heat conducting plate, the water solution continuously cools the hydraulic oil, thereby ensuring the transmission efficiency of the hydraulic cylinder, and the equipment is prevented from aging, and therefore the practicability of the equipment is improved.

The invention discloses an electronic device. Heat generated by heating elements is transmitted and dispersed layer-by-layer with the actual heat radiation areas of the layers being gradually increasing, so that the final heat radiation area of the electronic device is increased, and the heat dissipating capacity is increased accordingly. The integral performance of the electronic device can be prevented from being affected by poor heat radiation performance, and the fault probability of components in the electronic device can be minimized.

The invention relates to the technical field of geothermal equipment, and discloses a line pump of an air source unit. The line pump comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a connecting column. According to the line pump of the air source unit, a rotary block makes a rotating block to rotate inside a rotating groove when an air compressor works to generate vibration, vibration energy is released, an ejector block is always attached to the rotary block when the rotating block rotates through a pressure spring, vibration transmission efficiencyis guaranteed, the pressure spring has a partial shock absorption effect, and the stability of the air compressor is guaranteed while the vibration energy can be further released; a rotating plate rotates when the air compressor works to generate vibration, so that an ejector rod reciprocates up and down under the action of a connecting spring, and the vibration energy is further released; and the line pump fully releases the vibration energy of the air compressor through the series of mechanical structures, and the service life of the air source unit is indirectly prolonged.

The invention discloses an electric pole hoisting device for electric power construction. The electric pole hoisting device comprises a supporting frame, a connecting frame and a clamping piece. The connecting frame is mounted at the top of the supporting frame. A mounting groove is formed in the middle of the supporting frame. Fixing plates are mounted on the two side walls of the mounting groove. Grooves are formed in the fixing plates. First supporting plates are mounted on the fixing plates. The two ends of each first supporting plate are mounted on the two corresponding fixing plates correspondingly. The clamping piece is mounted in the mounting groove in the middle of the supporting frame and matched with the fixing plates and the first supporting plates. A fixing frame is further mounted at one end of the supporting frame. A sliding rail is mounted in the supporting frame. According to the electric pole hoisting device, through arrangement of the connecting frame, a crane can conveniently hoist the device, an electric pole can be clamped by the clamping piece, and the safety of the electric pole during hoisting is guaranteed; and through arrangement of a clamping mechanism, the clamping and limiting effects can be achieved, the electric pole is prevented from inclining and sliding down in the hoisting process, the safety of the electric pole and the electric pole transferring efficiency are guaranteed, and the personal safety of workers is guaranteed.

The invention discloses a novel solar heat exchange pipe assembly structure. The novel solar heat exchange pipe assembly structure comprises a heat exchange pipe body, semi-circular concave plates, first fixed rods, a bearing, a rotary rod, a strip-shaped through groove, a first sealing ring, a U-shaped rod, a heat exchange water tank, a vacuum pipe insertion opening, second fixed rods, a fastening screw nut, a sealing cover, a second sealing ring, an assembly hole, a joint block and brushing blocks. The novel solar heat exchange pipe assembly structure is reasonable in design; assembly connection firmness is improved; the phenomenon that most part of the heat exchange pipe body is suspended in the heat exchange water tank is avoided; the bearing capacity of the heat exchange pipe for water in the pipe is improved; water scale cleaning on annular surfaces of the heat exchange pipe is facilitated; heat transferring efficiency is ensured; and the hole diameter of each spiral structure ofthe heat exchange pipe body is smaller than the distance between larges concave surfaces of two corresponding semi-circular concave plates at staggered positions, so that the annular surfaces of theheat exchange pipe body favorably cling to the semi-circular concave plates, and water scales on the outer surfaces of the heat exchange pipe body are favorably brushed by the brushing blocks.

The invention relates to a check ash valve used for a sound wave ash blower. The check ash valve comprises a valve body, an upper valve element, a lower valve element, a valve seat assembly, a sliding rod and a flange plate. When airflow and sound waves enter the check ash valve, the valve elements are pushed open under the action of the airflow, the check ash valve is opened, and the sound waves and the airflow bring away smoke, small particles and the like through the check ash valve. When the pressure of the airflow is reduced or the airflow stops, the valve elements fall under the action of gravity, the lower valve element makes contact with the valve body, the check ash valve is closed, smoke and the like which flow back cannot enter the check ash valve, and it is ensured that a sound wave generation device is not corroded by smoke which flows back. A sound impedance matching technology and a damping sound insulation and noise reduction technology are adopted for the check ash valve, the problem of noise leakage in the working process is solved, it is ensured that sound wave energy is effectively transmitted, energy losses are reduced, and it is ensured that the sound wave ash blower runs safely and efficiently.

The invention relates to the technical field of detection, and in particular relates to an assembly type building component sound insulation detection device. The device comprises a sound production assembly which sounds on the side of a building component to be detected, a decibel meter which is used for converting received sound signals into electric signals on the two sides or the other side of the building component to be detected, and a sound insulation cover body which is used for providing a working area for the sound production assembly and the decibel meter, the working area is closed through the building component to be detected, and the sound insulation cover body comprises at least four telescopic rod bodies which are in a natural extension state when no external force is applied and elastically retract when being subjected to extrusion force in the length direction; the device further comprises a rubber seat which is used for uniformly distributing and mounting the telescopic rod bodies which extend in a divergent manner, and a flexible sound insulation cover which is of a double-layer structure with the hollow middle, and the hollow area wraps the telescopic rod bodies and is fixedly connected with the rubber seat. The assembly type building component sound insulation detection device capable of meeting various detection space requirements is provided, and the use method of the assembly type building component sound insulation detection device is protected.

The present invention provides a portable power management method suitable for providing power to an external device. The method includes I) obtaining electrical energy requirements of an external device or a battery; II) obtaining the input of electrical energy; and III) preferably, communicating the external device with a path for inputting electrical energy so that the external device or the battery selectively obtains electrical energy. The present invention further provides a portable power supply device that selectively obtains electrical energy that can be supplied to an external devicefrom a wireless mode and a wired mode. Reasonable competition between wireless and wired methods is selected to provide electrical energy without interfering with each other.

The present invention relates to a friction transmission belt comprising a compressed rubber layer formed from a cured product of a rubber composition, at least a portion of which has a friction transmission surface capable of coming into contact with a pulley, a surface layer containing a cured product of a rubber composition containing a polyvinylpyrrolidone resin and an elastomer component is laminated on the surface of the friction transmission surface.

The invention discloses a self-melting and solidifying large-scale cabinet circulation heat dissipation structure, belonging to the field of cabinet heat dissipation, and a melting and self-solidification large-scale cabinet circulation heat dissipation structure. Gather and guide towards the double-state heat-consuming bulb, and at the same time, under the action of the heat-inducing strip, the heat at the double-state heat-consuming bulb can be led to the heat removal block, thereby significantly accelerating the heat dissipation. In the process, on the one hand The dental model wax in the dual-state heat consumption ball is gradually softened or even melted by heating on the side close to the heat conduction mechanism, and the dental model wax on the side close to the heat guide bar cools down on the other hand, so as not to solidify. By continuously changing the position of the dual-state heat consumption ball , can continuously circulate the process of melting and solidification, which can continuously consume the heat generated by the cabinet. Compared with the existing technology that only guides and releases heat outward, it can significantly reduce the accumulation of heat in the cabinet and effectively avoid safety hazards caused by excessive temperature. Hidden danger.

The invention discloses an electronic device applied in an EUV (Extreme Ultraviolet) vacuum environment. The electronic device is located in a vacuum cavity, wherein the vacuum cavity is used for providing a EUV light survival environment, and the electronic device comprises an electronic system, wherein the electronic system is located in the vacuum cavity, and the electronic system is used for realizing the electronic functions of a EUV photoetching system; and a sealing shell, wherein the sealing shell is located in the vacuum cavity, and the sealing shell is used for sealing the electronic system and preventing pollutants formed by the electronic system from entering the vacuum cavity. The device is capable of effectively preventing the pollutants formed by the electronic system from entering the vacuum cavity, reducing pollution on the EUV vacuum environment and ensuring the transmission efficiency of EUV light; and a temperature controller and a heat conduction element are used for controlling the temperature of the electronic system in the sealing shell to ensure the normal work of the electronic system.

A box girder bottom formwork integral demolition method is implemented in the steps of a, pre-casting formwork demolition holes: pre-casting 80-mm formwork demolition holes before a top plate is casted, making the top plate and embedded pipes of a bottom formwork are positioned at the same vertical position, and penetrating iron chains into the embedded pipes; 2, strengthening by adopting two-ended bolts: strengthening the bottom formwork of the box girder and the top plate by adopting the two-ended bolts after the top plate is casted; and 3, integrally demolishing the bottom formwork of the box girder: after the scaffold at the bottom of the box girder is demolished, an electric cradle transferring the bottom formwork onto a handcart at the lower part of the box girder through the iron chains, and repairing the formwork demolition holes after the bottom formwork is transported. The method has the advantages that 1, the formwork integrity segmentation demolition technology does not use large hoisting equipment, the electric cradle is simple and quick to operate, and the strengthening method is firm; 2, the construction efficiency is high, mechanical operation is realized, the material use cost is low, and the safety coefficient risk is low.