60results about How to "Reduce the difficulty of cooperation" patented technology

The invention relates to a forging device and discloses a hammer type forging device. The hammer type forging device comprises a main shaft, wherein the main shaft is fixedly connected with a heavy hammer; a vertical sliding chute is formed in the lower part of the heavy hammer; a heavy block is connected in the sliding chute in a sliding manner; a concave die is arranged at the lower part of the heavy block; a support lug is arranged on the peripheral surface of the heavy block and is located in a vertical strip-shaped hole of the sliding chute; a first elastic part is connected between the top surface of the support lug and the sliding chute; the main shaft is also fixedly connected with a gear; the gear is meshed with a rack; a fixed sliding chute is formed in the lower part of the rack; a second elastic part is arranged between the rack and the sliding chute; a cam presses against one side, far from the second elastic part, of the rack. Compared with the prior art, the heavy block of the device can transmit the force of the heavy hammer to blanks; the heavy block can dissolve the component of the horizontal force of the heavy hammer and only generate the vertical downward pressure, so that the size of the forged parts is more in line with the standard; the qualified rate of products is increased.

The invention relates to a device and a control method for using electromagnetic attractive force caused by sudden current changes to form a metal plate. The device comprises an execution part and a power system. The execution part comprises working coils, a die and the metal plate. The die is arranged between the working coils and the metal plate. The working coils and the die are fixedly connected to serve as an actuator. The power system comprises a control system, an energy storage system, a charging loop and a discharging loop. The charging loop and the discharging loop are connected to the two ends of the energy storage system respectively in parallel. The control system is electrically connected with the charging loop and the discharging loop. The working coils are electrically connected with the discharging loop. According to the device and the control method, traditional electromagnetic forming repulsive force is converted into the attractive force, the working coils and the die can be combined into a whole, the cooperation difficulty is reduced, and the application range of an electromagnetic forming technique is enlarged in the aspect of the process.

The invention discloses a rapid auto-navigation magnetic resonance hydrography imaging method and device. Clinical application models of the invention include a breath-holding navigation mode and a free breath navigation mode. Adult patients with good breath control ability can adopt the breath-holding navigation mode, and infant patients with poor breath control ability can adopt the free breath navigation mode. The method and the device can obviously improve the acquisition efficiency, the control accuracy and the signal to noise ratio of magnetic resonance signals, can avoid an interference effect between an imaging sequence and a navigation wave sequence, and can enhance respiratory movement artifact inhibition effect; and the method and the device is simple in clinic operation, can obviously decrease coordination difficulties of patients, is conductive to clinical application of the magnetic resonance hydrography imaging technique, and can achieve unique diagnosis determining value in clinical diagnosis of a biliary system and a urinary system.

The invention discloses a material-gripping device for paint transportation. The material-gripping device for paint transportation comprises a conveyor belt and a gripping jaw. A ratchet is connected to the conveyor belt. A first swinging rod is arranged below the ratchet. A rotating rod is arranged on the first swinging rod. The first swinging rod is connected to the rotating rod in a sliding mode. A pawl is hinged to the rotating rod. A first elastic piece is connected to the pawl. A second swinging rod is arranged on the left side of the first swinging rod. A second elastic piece is arranged between the first swinging rod and the second swinging rod. A fixed sliding groove is formed above the second swinging rod and internally provided with a rack. A pulling rod is hinged to the rack and connected to the second swinging rod in a sliding mode. The rack is engaged with a gear. The gripping jaw is connected to the gear. A cavity is formed in the right side of the first swinging rod. The upper portion of the cavity communicates with an air bag. A stopping block is connected to the bottom of the cavity in a sliding mode. A pushing block is arranged on the left side of the second swinging rod. A linkage rod is hinged to the pushing block. A crank is hinged to the linkage rod. A pushing rod is connected to the pushing block and connected with the stopping block. According to the material-gripping device for paint transportation, the structure is simplified due to air cylinder control and the connected structure, so that the matching difficulty is reduced.

A bipolar circuit breaker with a display function disclosed by the present invention comprises a circuit breaker shell, a first execution mechanism and a second execution mechanism are arranged at thetwo sides of the circuit breaker shell respectively, and the first execution mechanism and the second execution mechanism are both equipped with the moving contacts. One side of the first executing mechanism and one side of the second executing mechanism are connected with an electric leakage electromagnetic system and a short-circuit electromagnetic system respectively, and the other side of thefirst execution mechanism and the other side of the second execution mechanism are both connected with handles. The first execution mechanism is connected with the electric leakage electromagnetic system through an electric leakage display mechanism, and the electric leakage display mechanism comprises an indication accessory. A first linkage part is arranged between the indication accessory andthe first execution mechanism, an indication piece is connected to the inner side of each handle, and one side of the indication piece is connected with the indication accessory through a second linkage part. According to the present invention, the electric leakage display effect can be achieved when the circuit breaker is switched off due to electric leakage, and the bipolar circuit breaker has the advantages that the circuit board is good in power-off stability, and the circuit breaker is convenient to install.

The invention discloses a hanger of a car sun visor. The hanger comprises a hanger body and a bent hook, wherein the hanger body is fixedly connected with a car metal plate, the bent hook extends from the hanger body to the side distant from the hanger body and then bends, an elastic projection is arranged on the inner wall of the bent hook, a mounting gap is formed in a space between the bent hook and the elastic projection, a rotating shaft of the car sun visor is mounted into an accommodating space surrounded by the bent hook and the elastic projection via the mounting gap, and the elastic projection butts against the rotating shaft. By the aid of the technical scheme, by means of elastic butting of the elastic projection and the rotating shaft, fit clearance between the two can be regulated self-adaptively, the defect of poor fitting quality caused by large and small interference is overcome, and difficulty in fitting is lowered.

The invention discloses a conveying and grabbing integrated device for paint. The conveying and grabbing integrated device comprises a conveying belt and a gripper arm. A ratchet wheel is connected to the conveying belt. A first swing rod is arranged below the ratchet wheel and provided with a rotary rod. The first swing rod is in sliding connection with the rotary rod, and the rotary rod is hinged to a pawl. The pawl is connected with a first elastic piece. A second swing rod is arranged at the left side of the first swing rod, and a second elastic piece is arranged between the two swing rods. A fixed sliding groove is formed above the second swing rod. A rack is arranged in the fixed sliding groove. A pull rod is hinged to the rack. The pull rod is in sliding connection with the second swing rod. The rack is meshed with a gear. The gripper arm is connected to the gear. A first push block is arranged at the right side of the first swing rod. A second push block is arranged at the left side of the second swing rod. The second push block is connected with an air cylinder and a push rod. Rolling wheels are arranged at the right end of the push rod and the right end of the first push block, the two rolling wheels abut against the same wedge block, and the first push block is connected with a third elastic piece. According to the device, by means of air cylinder control and the arrangement of a connected structure, the structure is simplified, and coordinating difficulty is lowered.

The invention discloses an oil paint material grabbing and conveying integrated device which comprises a conveyor belt and a gripper arm. A ratchet wheel is connected to the conveyor belt. A first swing rod is arranged below the ratchet wheel and provided with a rotating rod. The first swing rod is connected to the rotating rod in a sliding manner. A pawl is hinged to the rotating rod and connected with a first elastic piece. A second swing rod is arranged on the left side of the first swing rod. A second elastic piece is arranged between the two swing rods. A fixed slide groove is formed above the second swing rod and internally provided with a rack. A pull rod is hinged to the rack and connected to the second swing rod in a sliding manner. The rack is meshed with a gear. The gripper arm is connected to the gear. A first push block is arranged on the right side of the first swing rod. A second push block is arranged on the left side of the second swing rod. An air cylinder and the push rod are connected to the second push block. A linkage gear is meshed with the push rod and is meshed with the first push block. By means of control of the air cylinder and the arrangement of the connected structure, the structure is simplified, and the matching difficulty is lowered.

The invention relates to a microfluid dielectrophoresis separation device and a manufacturing method of the microfluid dielectrophoresis separation device. The microfluid dielectrophoresis separationdevice comprises: a microfluid channel; and an electrode arranged corresponding to the microfluid channel, wherein the electrode comprises a first electrode area and a second electrode area which aresequentially arranged in the flowing direction of fluid, the first electrode area is close to the inlet of the microfluid channel, the sides, facing the interior of the microfluid channel, of first grounding electrodes located on the two sides of the first electrode area are an arc-shaped electrode array, and a second central electrode located in the middle of the second electrode area is a lemon-shaped electrode array. The structures of the electrode and the microfluid channel are designed, pre-aggregation operation is not needed, and efficient separation of particles can be achieved throughthe mutual assistance effect of the electrode and the microfluid channel; and meanwhile, the integration performance of the device can be remarkably improved, the difficulty of mutual integration or matching with external equipment is reduced, and the applicability of the device is improved.

The invention relates to the technical field of preparation of unsticking defects, in particular to a hot spray coating artificial unsticking defect specimen and a prefabricating method thereof. The prefabricating method of the hot spray coating artificial unsticking defect specimen, provided by the invention, comprises the following steps: machining a through hole with the desired diameter in a base body, and arranging an internal thread on the inner wall of the through hole; preparing a filling bar, and arranging an external thread on the outer surface of the filling bar, wherein the length of the filling bar is not smaller than the depth of the through hole; screwing the filling bar into the through hole, and enabling the end surface of the screwing-in end of the filling bar is flush with the outer surface of the base body so as to form an intact plane, wherein the matching difficulty of the through hole and the filling bar is greatly reduced, the matching tightness is good, the machining cost is low, and the depth of an artificial simulating defect can be arbitrarily adjusted; performing sand blasting and spray coating on the surface of the plane, and finally screwing out the filling bar from the screwing-out end so as to obtain an artificial unsticking defect, wherein the heat conducting rule of the artificial unsticking defect is enabled to be closer to that of a real unsticking defect.

The invention relates to the field of medical equipment, and discloses a robot control device. A robot to which the device is applicable comprises a mechanical arm and a surgical instrument connected to the mechanical arm, and the surgical instrument is controlled by a driving rope and comprises a machine box, a driving rope control device, a feeding control device and a rotation control device; the driving rope control device and the rotation control device are arranged on the machine box, the driving rope control device is used for driving the driving rope to stretch and retract, the rotation control device is used for driving the mechanical arm to rotate, and the feeding control device is used for driving the machine box to move, so that feeding of the mechanical arm is achieved. The driving rope and the mechanical arm can be controlled in a centralized mode, compared with the prior art, the structure can be simplified, the matching difficulty is reduced, and then he production cost can be reduced.

The invention provides a cutter suction dredger reamer beam long-axle-hole reaming support mounting method. Lines are scribed on a reaming point base and a ship hull block respectively, then scribed line alignment mounting is conducted on the reaming point base and the ship hull block, the perpendicularity of the reaming point base is controlled in the mounting process, the two sides of the reaming point base are symmetrically welded when the reaming point base is welded, and a reaming shaft and a reaming cover are arranged after the reaming point base is arranged on a ship hull. According to the method, a reamer beam can be prefabricated due to arrangement of the reaming point base, the defect of field boring and mounting is overcome, the production cycle can be shortened effectively, and working efficiency is improved; meanwhile, the requirement for using auxiliary tools is reduced greatly, the machining difficulty is lowered, no dummy shaft is needed to conduct auxiliary machining, and the machining difficulty and production cost are lowered.

The invention relates to a washing machine. The washing machine comprises a control panel and a control panel seat, one of the control panel and the control panel seat comprises an accommodation part,and the other comprises a clamping part, the clamping part comprises a clamping stroke, the accommodation part comprises an accommodation groove and an extending part which extends out from the outeredge of the accommodation groove, the extending part covers the upper portion of the opening of the accommodation groove, and a first opening and a second opening which are communicated with each other are reserved in the other side of the accommodation groove, the first and second openings are distributed along the clamping stroke, in the clamping stroke, the clamping part is clamped in the accommodation groove from the first opening and moves towards the side which is close to the second opening, and the clamping part is in positioning cooperation with the extending part in the direction where the clamping part is put into the accommodation part. By means of the washing machine, the cooperating difficulty between the control panel and the control panel seat is reduced, and the efficiency of dismantling, assembling, debugging and maintaining is improved.

The invention discloses a single truss integrated stacker which comprises a rack, a feeding device, a discharging device, a transfer device and a conveying device. The discharging device, the transfer device and the conveying device are arranged side by side. The feeding device and the discharging device are arranged below the conveying device and connected with the rack; and the transfer device is located above the conveying device and arranged side by side with the feeding device. Blanks conveyed by the conveying device are jacked through the feeding device and conveyed to a machine tool to-be-machined area through the transfer device, and then machined workpieces is transferred to the discharging device and conveyed to a designated position through the conveying device. The transferring device is loaded on the feeding device and the discharging device, so that the problem that a machine tool clamping jaw is limited in size and short in stroke and cannot directly grab a workpiece at a feeding station in a stacker is solved, the cost is reduced, and the space is reduced. The transfer device, the feeding device and discharging device are arranged in the same row, so that paths can be reduced, and the working efficiency is improved.

The invention belongs to the technical field of mechanical hydraulic control, and relates to a split metering valve. The metering valve comprises a valve body (1) and a bush (2), and the bush (2) sleeves the valve body (1). A servo fuel oil inlet hole (3) and a servo fuel oil inlet hole (4) are formed in the valve body (1) and the bush (2) correspondingly. A throttling hole (5) and a servo oil path (6) are formed in the valve body (1). The split metering valve is characterized in that the valve body (1) and the bush (2) are split, the valve body (1) is divided into a valve (1-1) and a valve (1-2), and the valve body (1) is divided into two portions by the servo fuel oil inlet hole (3). The bush (2) is divided into an instruction control section (2-1) and a fuel oil metering section (2-2) according to a function section. The machining difficulty is reduced, the series connection manner is adopted for connection in the assembling process, all the portions can be aligned by themselves, the cooperation difficulty is reduced, and assembling efficiency is improved.

The invention relates to the field of stages, and discloses a stage with a lifting table. The stage comprises a stage body, a supporting body for the stage body, the lifting table and a controller. The lifting table is provided with a lifting body and a driving mechanism. Multiple control buttons connected with the controller are arranged on the lifting body, after any one of the control buttons is triggered, a first instruction is sent to the controller, and the controller controls the driving mechanism to be started according to the first instruction to drive the lifting body to move or rotate. The lifting body further comprises a fence capable of moving up and down and a position sensor located at the top end of the lifting body, the position sensor is used for detecting the height between the top end of the lifting body and the stage body, when it is detected that the top end of the lifting body is higher than the stage body, a second instruction is sent to the controller, the controller controls the fence to move upwards according to the second instruction, when the position sensor detects that the top end of the lifting body is not higher than the stage body, a third instruction is sent to the controller, and the controller controls the fence to move downwards according to the third instruction.

The invention discloses a device capable of preventing samples from remaining in the body for laparoscopic surgery. The problems are solved that a myoma rotary cutting machine easily leaves out myomadebris and is difficult to operate. A surgical puncture cannula is matched with an auxiliary puncture cannula, debris can be effectively prevented from falling into the abdominal cavity, and the surgical safety is improved. According to the technical scheme, the device comprises the surgical puncture cannula and the auxiliary puncture cannula which are matched with each other, the surgical puncture cannula comprises a first cannular body, and a clamping ring is arranged at the head end of the first cannular body; a plug which seals a cannular opening of the first cannular body is detachably arranged at the tail end of the first cannular body, a bag body is arranged in the first cannular body, multiple connection ropes are arranged at an opening of the bag body, and the connection ropes extend out of the first cannular body; the auxiliary puncture cannula comprises a second cannular body, an operation handle is arranged at the head end of the second cannular body, and a supporting component which is matched with the bottom of the bag body is arranged at the tail end of the second cannular body.

The invention relates to wet double clutches which comprise an input hub, a C1 hub and a C2 hub, wherein the input hub is connected with a power input end; the C1 hub and the C2 hub are connected with a power output end; the periphery of the input hub is provided with a U-shaped structure part; the U-shaped structure part is open in the axial direction; a C1 friction plate group is arranged on the peripheral surface of the outer side wall of the U-shaped structure part; a C2 friction plate group is arranged on the peripheral surface of the inner side wall of the U-shaped structure part; the two friction plate groups have operating systems used for operating clutches; the periphery of the C1 hub wraps the outer side wall; the periphery of the C1 hub, the C1 friction plate group and the outer side wall of the U-shaped structure part form a first clutch; the periphery of the C2 hub extends to the groove of the U-shaped structure part; and the periphery of the C2 hub, the C2 friction plate group and the inner side wall of the U-shaped structure part form a second clutch. According to the wet double clutches, the input hub is provided with the two friction plate groups, so that the power input is achieved; the input end of the wet double clutches is changed into a hub, so that the axial arrangement is reduced; and the structure of the double clutches is simplified, the cost and the weight are reduced, and the radial and axial sizes are decreased.

The invention relates to the technical field of detection of highway engineering field construction, and discloses an arched tunnel side wall flatness detection device which comprises a vehicle body,a vehicle seat, a motor, a ruler, a section tester, a section printer and a level bubble, the vehicle body is movably mounted at the top of the vehicle seat, and the motor is mounted at the bottom ofthe vehicle seat. Through the arched tunnel side wall flatness detection device, a lifting mechanism is arranged between vehicle bodies, the vehicle body can ascend and descend at will, and the flatness of the side wall of a tunnel can be detected more conveniently; compared with the prior art, the device has the advantages that auxiliary tools are not needed, and matching difficulty of detectionis reduced; through arrangement of telescopic rods, suction cups, fixing rods and adjusting knobs, the telescopic rods are moved, the suction cups at the top ends of the two telescopic rods are attracted to the side wall of the tunnel, the ruler is moved and adjusted through the fixing rods and the adjusting knobs, and the problem that the ruler cannot be directly close to the side wall for detection due to tunnel soil accumulation is solved.

The invention relates to the field of bridge construction, and provides a long-distance steel box girder dragging system crossing an existing line. Dragging construction equipment comprises a supporting device, a dragging device and a deviation rectifying device. The supporting device comprises a rolling device; the dragging device comprises a first steel wire rope fixed pulley assembly, a movablepulley assembly and a first winding device; the deviation rectifying device comprises an installation support and a second winding device. The installation support comprises two support bodies, fixedpulleys are arranged on the support bodies, a second steel wire rope is wound on the second winding device, and a connecting piece used for being connected with the steel box girder is arranged at the end of the second steel wire rope. The steel box girder is supported by the rolling device; sliding friction is converted into rolling friction, the friction force of the contact position is reduced, so that the power of the dragging device is reduced and the service life of each component is prolonged; the position of the steel box girder is adjusted through the deviation rectifying device, thesteel box girder moves in the designed direction, so that the matching difficulty between the steel box girder and the supporting device is reduced, and construction is smoothly conducted.

The invention discloses a swing rod crossed type transporting and material grabbing integrated machine which comprises a conveyor belt and a gripper arm. A ratchet wheel is connected to the conveyor belt. A first swing rod and a second swing rod with the bottoms hinged in a crossed manner are arranged below the ratchet wheel. A rotating rod is arranged on the first swing rod. The first swing rod is connected into the rotating rod in a sliding manner. A pawl is hinged to the rotating rod. A first elastic piece is connected to the pawl. A second elastic piece is arranged between the two swing rods. A fixed slide groove is formed above the second swing rod. A rack is arranged in the fixed slide groove. A pull rod is hinged to the rack and connected into the second swing rod in a sliding manner. The rack is meshed with a gear. The gripper arm is connected to the gear. A gas bag is arranged below the portion between the first swing rod and the second swing rod and communicated with a cavity. A gas inlet and a gas outlet are formed in the bottom of the cavity. A stop piece is connected to the bottom of the cavity in a sliding manner. An air cylinder is arranged on the left side of the cavity. The output end of the air cylinder penetrates the wall of the cavity to be connected with the stop piece. By means of control of the air cylinder and the arrangement of the connected structure, the structure is simplified, and the matching difficulty is lowered.

The invention discloses a laser welding type quick-plug connector which is used for connecting a first pipe fitting and a second pipe fitting in an automobile pipeline. The laser welding type quick-plug connector comprises a female connector and a male connector, wherein the male connector is arranged in the female connector in a pluggable mode; the female connector comprises a female connector body, one end of the female connector body is a female connector quick-plug end, the other end of the female connector body is a female connector welding end which is hermetically fixed to the first pipe fitting through laser welding, and the female connector quick-plug end is provided with an elastic locking spring; the male connector comprises a male connector body, one end of the male connector body is a male connector quick-plug end, and the other end of the male connector body is a male connector connecting end which is fixedly connected with the second pipe fitting; and the outer surface of the male connector quick-plug end is annularly provided with a first clamping ring groove, and the first clamping ring groove is used for clamping and fixing the elastic locking spring to make the male connector quick-plug end and the female connector quick-plug end to be clamped and fixed, so that the male connector and the female connector are quickly assembled and disassembled, the number ofparts is greatly reduced, the processing cost is reduced, and the matching difficulty among the parts is reduced.

The invention relates to the field of stages and discloses a stage system with a lifting platform. The stage system comprises a stage body, a supporting body used for the stage body, the lifting platform capable of moving or rotating relative to the stage body, and a controller. The lifting platform is provided with a lifting body and a driving mechanism used for driving the lifting body to move or rotate. The stage system further comprises a microphone which is provided with a plurality of manipulating buttons, and the multiple manipulating buttons are connected with the controller. After anyone of the multiple manipulating buttons is triggered, an instruction is given to the controller, and the controller is used for receiving the instruction and controlling the driving mechanism to bestarted according to the instruction so as to drive the lifting body to move or rotate. The multiple manipulating buttons connected with the controller are arranged on the microphone of the stage system with the lifting platform, after any one of the multiple manipulating buttons is triggered, the instruction is given to the controller, and the controller controls the driving mechanism to be started according to the instruction so as to drive the lifting body to move or rotate.

The invention relates to a method for uniformly polishing an optical device. The method comprises the steps of 1, putting a planetary wheel into a polisher; 2, putting the optical device into a machining cavity, wherein the machining cavity is formed in a polishing hole of the planetary wheel and can freely rotate relative to the polishing hole; 3, starting polishing, wherein the planetary wheel rotates with a driving wheel of the polisher and has the rotation speed w1, the machining cavity rotates with the planetary wheel and the optical device and has the rotation speed w2, and w1 is not equal to w2. According to the technical scheme, in the polishing process, the grinding paths which all parts of the optical device pass by are basically the same.

The invention belongs to the technical field of intelligent robot structures and provides a steering engine transmission structure, a robot framework structure and a robot. The steering engine transmission structure comprises a steering engine body, a connection rod part arranged side by side with the steering engine body, an inner framework in limiting connection with one side of the steering engine body and an outer framework in limiting connection with the other side of the steering engine body, wherein a connection shaft is also arranged at the lower part of the connection rod part in a penetration manner; the two ends of the connection shaft are connected with the inner framework and the outer framework respectively; the upper part of the steering engine body and the upper part of theconnection rod part are connected with each other in parallel through a gear component; the steering engine body and the connection rod part are in parallelogram connection with each other. Through the design, the problems of the complicated assembling process, the high part accuracy requirement and high cost of the existing transmission structure of the robot can be solved.

The invention is suitable for the technical field of breeding machinery, and provides an automatic weighing type feeding machine which comprises a feeding module, a weighing module, a portal frame, two sliding rails and a plurality of pulley assemblies; the portal frame is connected with a bearing beam in a sliding manner; and the weighing module is installed in a buried mode. The two sliding rails are arranged side by side, and the portal frame is connected with the sliding rails in a sliding mode; the plurality of pulley assemblies are symmetrically arranged at the bottom of the portal frame; and each pulley assembly comprises a roller, a fixed plate and an adjusting bracket. Therefore, the position-adjustable pulleys are arranged below the portal frame, the matching difficulty of the pulleys and the rails is reduced, the construction difficulty is reduced, meanwhile, the weighing module is arranged to integrally weigh the portal frame, the residual amount of feed in the hopper can be judged according to the weight difference value measured multiple times, the manual workload is reduced, and the feeding amount is also accurately recorded, so that the accurate feedback of the feeding amount data each time is realized.

The invention discloses an integral combining and hoisting in-position technology for a two-pass boiler rear water upper part. The technology comprises the construction steps that firstly, combination pre-preparation is conducted; secondly, furnace arch tube panels, an inner structure, rear water vertical small sheets and a rear water outlet header are combined in a combination site; thirdly, a rear water hanging tube outlet header and a hanging tube are combined on a boiler 30-meter temporary bracket platform; fourthly, furnace arches are spliced to simulate platform manufacturing; fifthly, the rear water vertical small sheets and the rear water outlet header are secondarily combined; sixthly, furnace arch inlet header big opening welding and pre-storing are conducted; seventhly, furnace arch assembly inner frame installation is conducted; eighthly, a rear water vertical tube panel assembly and a furnace arch assembly are secondarily combined; ninthly, the rear water hanging tube outlet header, the hanging tube assembly, the furnace arch tube panels and a frame assembly are fixed in a penetrating manner; tenthly, the lower portion of the rear water hanging tube assembly and the rear water outlet header are combined and welded; eleventhly, assembly rigidity and soft strengthening is conducted; and twelvethly, integral assembly hoisting is conducted in place. According to the integral combining, hoisting and in-position technology, when a spare part hoisting method is selected, the occupied time for field large hoisting machines is effectively shortened, the occupation frequency for the field large hoisting machines is effectively reduced, and meanwhile the aerial operation workload is directly reduced.

The invention discloses a jointed balance bike. The jointed balance bike comprises two monomer single wheel self balance bikes which are arranged left and right in parallel; the two monomer single wheel self balance bikes comprise a main monomer bike and a slave monomer bike; the main monomer bike and the single monomer bike can be completely separated from each other and can operate independently; the main monomer bike comprises a main bike body as well as a main left pedal and a main right medal which are arranged at two sides of the main bike body; the slave monomer bike comprises a slave bike body as well as a slave left pedal and a slave right pedal which arranged at two sides of the slave bike body; the main right pedal and the slave left pedal are connected by a detachable connector, so the slave left pedal can be axially fixed and can peripherally swing in a certain angle relative to the main right pedal. The jointed balance bike is simple in structure, low in manufacturing cost, flexible in use mode and capable of conveniently realizing jointing and splitting, the two monomer bikes can fully independently operate during splitting, the stability and safety in riding of a single person can be improved during jointing, a beginner can easily study, a two-person or three-person high difficulty converted riding method can be performed and the riding joyfulness is increased.