55results about How to "The overall structure design is reasonable" patented technology

The related healthy mobile phone comprises: based on a traditional phone, a control circuit in the shell connected to both an I / O device and a RF circuit with output connected to an antenna, a detection unit for people physiological index with output end connected to signal input end of control circuit, and the healthy monitor and alarm program in memory. This invention has simple structure and convenient to utility.

The invention relates to a power-assisted loading and unloading device for large, heavy and fragile parcels, comprising a mounting base, a conveying device arranged inside the mounting base, and a driving device connected with the conveying device. The conveying device comprises a first conveying section, a second conveying section and a third conveying section arranged inside the mounting base. The driving device comprises a pair of screws, motors arranged at the ends of the screws, a slider in threaded connection with the screws, and a pair of connecting rods hinged to the upper end of the slider. The connecting rods are arranged along a vertical plane, and the upper ends of the connecting rods are hinged to a cross bar below the second conveying section. The device has the advantage that the inclination angle of the second conveying section and the height of the third conveying section are changed by adjusting the inclination angle of the connecting rods, the inclination angle of the connecting rods can be adjusted just by changing the position of the bottom slider on the screws through forward / reverse rotation of the motors, the overall structure design is very reasonable, and adjustment is convenient.

The invention discloses an SC-type mounting slat with double hems and a processing method thereof. The SC-type mounting slat with the double hems is distinguished from the prior art in that: the upper edge and the lower edge of a slat body are equipped with an upper assembly strip and a lower assembly strip, respectively; the edge at one side of the upper assembly strip is fixedly connected with the upper edge of the slat body to form an integrated structure; the edge at the other side of the upper assembly strip forms an upper hem which is arranged inwards; the edge at one side of the lower assembly strip is fixedly connected with the lower edge of the slat body to form an integrated structure, and the edge at the other side of the lower assembly strip forms a lower hem which is arranged inwards; and two fixed hooks which are symmetrically arranged with each other are arranged on the inner surface of the slat body. The SC-type mounting slat with the double hems, provided by the invention, has advantages of reasonable structure and design of a whole product body, and better convenience and fastness for mounting; a structure of a mounting flange sectional material has characteristics of standardization and modularization and is high in an assembly speed; and the special structure of the fixed hooks is beneficial to reduction of a half of mounting screws amount during assembly and can sufficiently meet use requirements in different fields. Compared with the prior art, the SC-type mounting slat with the double hems, provided by the invention, has prominent substantive features and marked improvement.

The invention relates to a micro-rail traffic vehicle brake device testing stand and system. The testing stand comprises a pedestal, a driver, a torque and rotating speed sensor, an inertia flywheel group, an installation flange and an installation support. The testing system comprises the testing stand, a data collecting and processing system and a central control center. The testing stand is provided with a brake device to be tested, the central control enter controls the testing stand and brake device to implement brake test, and sends brake data to the data collecting and processing system, and the data collecting and processing data collects test and brake data of the testing stand and processes the data. According to the testing stand and system, not only performance of the brake device of a micro rail vehicle but also parts as a brake pad easy to wear can be tested, and the stand and system have great significance in guiding selection of the brake pad material and designing thebrake pad. The simulation performance is high, operation is easy, the service life is long, and the test precision is high.

The invention belongs to the technical field of medical apparatus and instruments, and relates to an adjustable uterine curet. The design that a curet head, a curet neck and a curet handle are separated is adopted, an adjusting button is additionally arranged on the curet handle, the size and the curvature of the curet head can be controlled in the uterine curettage operating process by pushing and pulling the adjusting button according to requirements, and the curet head is made to completely meet the shape requirement of the uterine cavity. An exposure part of a curet core is naturally curved and of a hollow oval ring shape, the size of a hollow oval ring of the exposure part is controlled to change by utilizing metal toughness of the hollow oval ring and stretching the curet core in the curet neck, and the curet neck has curve radians, so that the larger the exposure part of the curet core is, the larger the curvature of the curet head is, and surgical operation of the anteflexion of the uterus can be conveniently conducted. Scales are marked on the curet neck, and therefore a doctor can conveniently check the depth of the curet for stretching into the uterus in the operation process at any time. The adjustable uterine curet is reasonable in whole structural design, ingenious in concept, convenient and flexible to use, and capable of saving time and labor, and the size and the curvature of the curet can be adjusted at will.

The invention discloses a turbine blade flatness measuring toll belonging to the measuring tool technology field. The turbine blade flatness measuring tool comprises a balance plate, the central position of the top part of which is slidably connected with a workbench. The right side of the workbench is provided with a Y-axis translation mechanism, and a left side of a Z-axis elevating mechanism disposed on the left side is provided with a motor controller. A power output end of a right side of a cylinder is provided with a telescoping rod. The same two Z axis elevating mechanisms are used for elevating, and thena distance sensor is smoother during an elevating process, and adjustment of an initial distance between a distance sensor and the turbine blade is facilitated. Under control of a cylinder controller, the cylinder is used to drive the distance sensor to move leftwards and rightwards, and therefore measurement is facilitated. The turbines blade is disposed on the workbench, and mechanical vibration errors are prevented, and the workbench can be moved leftwards and rightwards by the Y-axis translation mechanism, and then more data can be measured according to requirements, and therefore measurement results are more accurate, working efficiency is high, and operation is convenient.

A practical normal-temperature low-pressure normal-oxygen liver perfusion system for small animals is characterized in that a peristaltic pump extrudes a portal vein tube and a hepatic artery tube toprovide circulating power, a tube diameter with a proper inner diameter is selected to enable the perfusion flow ratio of a portal vein and a hepatic artery to be 3: 1, and an animal breathing machinesupplies oxygen to the hepatic arteries through a membrane oxygenator; an isolated liver is placed in an organ perfusion box, the portal vein and the hepatic artery are perfused through a portal veincannula and a hepatic artery cannula respectively, and a liquid outlet is connected with a hepatic vein cannula and a biliary tract cannula; a physiological recorder is connected with the portal veincannula through a medical tee joint and perfused through a portal vein low-pressure control system; a serpentine condenser is adopted for system temperature control and connected with a water bath kettle for water circulation, and the liquid outlet of the organ perfusion box is connected with a blood transfusion apparatus filter and then connected with a liquid inlet pipe of the peristaltic pumpthrough the serpentine condenser and a hose; and the perfusate adopts an anticoagulant animal blood component. In conclusion, the system is simple in design structure, conforms to physiological perfusion, is low in cost and is used for in-vitro research and functional repair of the liver.

The invention relates to a composite counter-weight block grinding ultra-flat production line which comprises an upper moving portion, a lower moving portion, a main machine portion and the like. The main machine portion is mainly formed by connecting a main machine body, a dust remover suction port, an adjusting screw, a dustproof cover, a positioning movable baffle, a driving shaft moor, a belt wheel, a power belt, a lifting lead screw, a spindle, a bearing seat, a spindle box, a PH vertical seat, a bevel gear shaft and the like. The upper moving portion is formed by connecting an upper moving maneuvering roller way, a 2# cycloidal pin gear speed reducer, a chain wheel, a maneuvering roller and an adjusting baffle, the lower moving portion comprises a lower moving roller way rack and a rotating roller, and a main machine walking feeding portion comprises a belt tensioning device, a 3# cycloidal pin gear speed reducer, a main rotary drum, a driven rolling wheel and a driving conveying belt. The composite counter-weight block grinding ultra-flat production line has the advantages of being reasonable in structural design, convenient to operate and capable of remarkably reducing the labor intensity of workers, improving a working environment, reducing the production cost of enterprises, effectively ensuring product flatness and size accuracy and improving the production efficiency.

The invention provides a high-strength square tube beam and column connection structure and an installation method thereof, and belongs to the field of steel structures. The high-strength square tubebeam and column connection structure and the installation method thereof solve the problem of low connection strength of an existing beam and column. The high-strength square tube beam and column connection structure comprises a column body and a beam body, further comprises a main connection pipe and a secondary connection pipe, and further comprises connection steel of an I-shaped steel structure fixed in the beam body, wherein the column body comprises four column plates and the beam body comprises four beam plates; four main reinforcing pipes are arranged in the column body, and a main reinforcing pipe is fixed at the connection of every two connected column plates; main connection holes are formed in two of four column plates paralleled to each other correspondingly, and auxiliary connecting holes are formed in the other two parallel column plates; the main connection pipe and the secondary connection pipe respectively penetrate through the two main connection holes and the two auxiliary connecting holes, the main connection pipe is connected with the walls of the four main reinforcing pipes in sequence, and the secondary connection pipe is connected with the walls of the fourmain reinforcing pipes in sequence; the connection steel comprises two wing plates and a web plate, one end of the connection steel presses against the outer side surface of each column plate. The structure can improve the strength and the stability of beam and column connection.

The invention belongs to the technical field of tunnel construction equipment. A segment assembling vehicle comprises a walking vehicle, a segment grabbing assembly, an assembling arm assembly, a service platform, a supporting arm assembly and a control system, the segment grabbing assembly is used for grabbing segments, and the assembling arm assembly is arranged between a crawler vehicle and thesegment grabbing assembly and drives the segment grabbing assembly to conduct direction adjustment and segment assembling; the supporting arm assembly is arranged between the service platform and thecrawler vehicle, and the supporting arm assembly drives the service platform to carry out direction adjustment and leveling. The invention further discloses a segment splicing method using the segment splicing vehicle. The segment splicing arm adjusts segments to correct positions through rotation and swing actions, and the service platform assists in completing the segment splicing process. Thecrawler vehicle is provided, the crawler vehicle chassis can also be unfolded into a splayed shape to move in the circular section tunnel, and flexible transition is achieved.

The invention belongs to the technical field of building construction foundation drilling tool application, and particularly discloses a novel long spiral drilling hole cast-in-situ pile top and cap integrated construction device which comprises an automatic walking vehicle, a power distribution operation room, three door head pulleys, a main rotating and winnowing machine, a support, a rock supporting rod, a horizontal head sliding member, a power transmission box, a drilling rod, a drilling rod blade, a drilling sleeve and an alloy drill bit. The power distribution operation room, the door head pulleys, the main rotating and winnowing machine and the support are arranged on the automatic walking vehicle, two ends of the rack supporting rod are connected with the support respectively, the horizontal head sliding member is arranged on the support, the power transmission box is connected with the horizontal head sliding member, the drilling rod is connected with the power transmission box, the drilling rod blade is arranged on the drilling rod, the drilling sleeve is arranged at the end of the drilling rod, a spiral connecting groove is formed inside the drilling sleeve, one end of the drilling sleeve is movably connected with the support, and the alloy drill bit is arranged at the end of the drilling rod. The problems that existing long spiral drilling machines are low in efficiency and instable in integral structure and prestress cannot reach production construction requirements are solved, the novel long spiral drilling hole cast-in-situ pipe top and cap integrated construction device is reasonable in design, meets construction standards and requirements, can integrally form pile body and pile cap concrete quickly in a high-quality manner, raw materials are saved, and production cost is lowered.

The invention belongs to the technical field of traditional Chinese medicines and discloses a traditional Chinese medicine crushing and grinding device capable of feeding and discharging materials continuously and automatically. The traditional Chinese medicine crushing and grinding device comprises a shell body, a sleeve, a crushing and grinding assembly, a negative pressure exhausting assembly and a discharging assembly. The sleeve is arranged in the middle of the shell body in a sleeving mode. The crushing and grinding assembly is arranged in the sleeve. The negative pressure exhausting assembly is arranged at an air outlet of the shell body. A discharging outlet corresponding to the discharging assembly is formed in the bottom of the shell body. The overall structure design is reasonable; primary crushing and grinding of medicines can be achieved; according to the different grain size requirements, on-line discharging can be achieved by adjusting the magnitude of the wind power of an air blowing opening to prevent the problem of over crushing, so that continuous feeding, grinding and discharging are achieved; and meanwhile by means of the design of the ratio of the section area of the sleeve to the section area of the shell body, timely sedimentation of the grinded medicines can be guaranteed, so that collecting and packing are facilitated.

The invention relates to a vegetable treating device. The vegetable treating device comprises a base and a working table fixed to the base, and an adjustable cutting part is arranged in the working table and comprises a stripping and slicing device which is mounted in the working table and can extend out of the surface of the working table and / or comprises a slicing device which is installed in the working table and can adjust the cutting position; and at least the adjustable stripping and slicing effect or the adjustable slicing effect on vegetables is achieved.

The invention belongs to the technical field of sports fitness equipment, and relates to a skating machine. The machine comprises a frame, support shafts and a synchronizing assembly, wherein the twosupport shafts are hinged to the frame side by side; pedals are hinged to the top of the support shafts and are eccentrically arranged relative to the support shafts; the synchronizing assembly is arranged between the two supporting shafts and enables the two supporting shafts to synchronously act. The machine has reasonable overall structural design and utilizes the coordination function of the body and the movement track of legs in the skating process, instrumentation is carried out on the machine, a site analogue simulation is formed between two pedals through the synchronizing assembly, the skating effect can be achieved in the action process of feet, and the electric driven auxiliary human body rehabilitation training or the resistance adjusting assembly can be set to increase the body-building effect and strength. The machine can greatly improve the integral coordination effect of the body and strengthen the integral action strength of the body.

The invention belongs to the technical field of large-section tunnel segment assembly and provides an assembly type segment lining structure of a large-section horseshoe tunnel. The tunnel section of a segment lining is of a horseshoe structure in smooth transition through a plurality of sections of arcs. The segment lining structure comprises odd segment ring units and even segment ring units, and the odd segment ring units and the even segment ring units are alternately and cyclically distributed and each comprises a plurality of segment blocks. The splicing seams of the segment blocks of the odd the segment ring units and the splicing seams of the segment blocks of the even segment ring units are distributed in a staggered mode along a horseshoe segment ring. The assembly type segment lining structure is reasonable in overall structural design, the space utilization rate is increased, the structural stability is improved, and the earth volume of backfilled concrete is decreased; staggered splicing of the splicing seams is achieved, the longitudinal rigidity of the horseshoe tunnel segment lining is improved, and structural deformation is reduced; and shear stress is mutually borne through the segment blocks and inclined bolts connecting the segment blocks, and waterproof treatment and protection can be conveniently conducted on the splicing seams.

The invention provides an improved water tank, and belongs to the technical field of machines. The improved water tank comprises: a tank body provided with a functional tank; an end cover movably arranged on the tank body, wherein the end cover can close the inlet of the functional tank, and is combined with the functional tank to form a closed disinfection space; a cleaning barrel used for accommodating articles to be dried and arranged in the functional tank in a rotatable manner; and a disinfection module arranged in the functional tank, wherein the disinfection module disinfects the whole disinfection space when the cleaning barrel rotates at a high speed and dries the articles to be dried. The improved water tank has the advantages of reliable working, and simultaneous realization of drying and disinfection.

The invention provides an intelligent deformed steel bar alignment discharging bracket. The reinforcing steel bar guide and containing effect can be achieved, reinforcing steel bars can be automatically transferred through driving devices, time and labor are saved, the bracket is quick and convenient, and manpower input is reduced. The intelligent deformed steel bar alignment discharging bracket comprises a groove structure, a sliding device and an installing support; the groove structure comprises a base plate and side plates arranged on the two sides of the base plate, and an opening is formed in the upper end of the groove structure; each side plate comprises a fixed plate and a movable plate, wherein the fixed plate and the base plate are welded and fixed, a cantilever is transverselyerected above the fixed plate, the cantilever and the fixed plate are in shaft connection, and the movable plate and the cantilever are connected through a shaft; and the movable plates are connectedwith the driving devices and are correspondingly provided with the driving devices, each driving device comprises a driving motor and a transmission device, and the driving motors control opening andclosing of the movable plates through the transmission devices.

The invention relates to an automobile camshaft press-mounting machine, and belongs to the field of automobile component press-mounting. The automobile camshaft press-mounting machine comprises a frame, a power mechanism, a rotating and clamping mechanism, a feeding turntable mechanism, an intermediate slider component, a centering mechanism and transmission mechanisms; the power mechanism is fixed to the frame, and the frame comprises a press fixing plate, a press column and a press baseplate; the press fixing plate is connected to the press baseplate through the press column, and the frame is provided with a long rail structure; the rotating and clamping mechanism is fixed to the intermediate slider component movably connected to the long rail structure on the frame, and the rotating andclamping mechanism is connected to the transmission mechanisms; and the center mechanism is fixed to the press baseplate, and the transmission mechanism is connected to the power mechanism. The automobile camshaft press-mounting machine is rational in design, safe and reliable, and the rotating and clamping mechanism is stable; and the automobile camshaft press-mounting machine has the advantagesof high working efficiency and precision, easy operation, and high degree of automation, and the usage requirements are met.

The invention discloses a method and device for diagnosing ecotoxicity of solid waste soil in a pesticide production site. The method specifically comprises the steps of collection, pretreatment and diagnosis. The device comprises first test equipment, second test equipment and third test equipment which are connected in sequence. According to the method provided by the invention, a pesticide production site containing solid waste soil to be diagnosed is collected in a multi-point collection mode; and a plurality of diagnosis modes are used for diagnosis, so that the method has better accuracy and high efficiency. The device provided by the invention is reasonable in overall structural design, the first test equipment, the second test equipment and the third test equipment are matched for use, so that various different diagnosis modes can be carried out on the soil to be diagnosed, and more and more detailed experiments can be carried out within effective experiment time to improve the soil ecotoxicity diagnosis efficiency.

The invention provides a frame component which comprises a side board structure, a carrying board structure and a striding connecting structure. The side board structure comprises two side boards of the left side board and the right side board. The carrying board structure comprises two carrying boards of the left carrying board and the right carrying board. The left carrying board and the right carrying board are fastened and installed on the left side board and the right side board correspondingly. The striding connecting structure is connected with one or both structures of the set of the left side board and the right side board and the set of the left carrying board and the right carrying board. Any or multiple of the side board structure, the carrying board structure and the stridingconnecting structure each comprises an HDPE piece. The invention further provides an underwater robot comprising the above frame component. The whole structure is designed reasonably, on the premise that used components are as few as possible, sufficient installation positions can be provided for the components of the underwater robot, the weight of a frame is reduced, and material cost is saved;and meanwhile, the overall installation strength is guaranteed.

The invention discloses a damper for a lifting rod of an automobile trunk. The damper comprises a shell; the shell is internally provided with an input shaft, an inner core, an outer core and an output shaft; the upper end of the inner core is inserted into the outer core; the lower end of the output shaft is sequentially inserted into the outer core and the inner core; the upper end of the input shaft is sequentially inserted into the inner core and the output shaft; the upper end of the input shaft is connected with the lower end of the output shaft through a screw; the outer wall of the inner core is sleeve with an inner core spring, and the inner core spring makes contact with the inner wall of the outer core; the outer wall of the outer core is sleeved with an outer core spring, and the outer core spring makes contact with the inner wall of the shell; the inner core spring is squeezed to be expanded through the output shaft, the jacking force of the inner core spring to the inner wall of the outer core is increased, then, the outer core and the inner core are driven to rotate in sequence, and the effect that reduced power is transmitted into the input shaft is achieved. The damper is reasonable in overall structural design, high in stability and capable of providing appropriate resistance for the stretching out and drawing back processes of the lifting rod, so that a door of the trunk is opened or closed with appropriate strength, and opening and closing are more convenient and quicker.

The invention provides a portable coastal zone underwater deep geological columnar sediment collecting device, which comprises a collecting unit and an auxiliary unit, wherein the collecting unit is used for collecting coastal zone underwater deep geological columnar sediments; the auxiliary unit is used for conducting auxiliary operation on the collecting unit; and the auxiliary unit comprises asupporting unit used for fixing the collecting unit, and an operation unit connected with the collecting unit and the supporting unit. The portable coastal zone underwater deep geological columnar sediment collecting device is reasonable in overall structural design, the collecting unit and the supporting unit which operate underwater achieve a detachable structure through a mounting block and a mounting hole, and the device has high convenience in use and is more convenient to transport.

The present invention provides a dust removal device for building construction. The dust removal device comprises a frame body and a nozzle, wherein a fixing plate is fixedly installed at the bottom of the frame body, a water pump is fixedly installed on the side face of the fixing plate, a water inlet of the water pump is externally connected with a water tank, a water pipe is installed at the top of the water pump, an electromagnetic valve is arranged on the water pipe, and a gas storage tank is fixedly installed at the top of the fixing plate; an air compressor is installed on the left sideof the air storage tank, a drainage pipe is installed above the air compressor, the right side of the drainage pipe is connected with a water pipe, flow distribution cones are arranged above the drainage pipe at equal intervals, and nozzles are arranged above the flow distribution cones. The device is reasonable in overall structural design, diverse in function and convenient to mount and dismount, and dust is prevented from spreading around; the dust collection mechanism can adsorb and remove fog drops in air, the spiral pipe reduces noise while stabilizing flow, the double filter screens can filter air overflowing from the interior of the equipment, and activated carbon and quartz sand physically purify sewage; therefore, the device can improve the utilization rate of water resources and protect the environment.

The invention discloses a prefabricated assembly type bridge deck structure which comprises prefabricated beam bodies and prefabricated connecting beams. The prefabricated beam bodies are arranged in parallel in the transverse direction of the bridge, and a construction gap is reserved between every two adjacent prefabricated beam bodies; the prefabricated connecting beam is erected above the construction gap between the two adjacent prefabricated beam bodies and covers the construction gap; transverse steel bars are arranged in the prefabricated connecting beams in a penetrating mode, are perpendicular to the longitudinal direction of the bridge and are distributed in parallel at intervals. Vertical steel bars are reserved on the top surface of the prefabricated beam bodies, and the vertical steel bars and the transverse steel bars are correspondingly welded or bound; and a cast-in-place concrete layer covers the prefabricated beam bodies, the prefabricated connecting beams, the vertical steel bars and the transverse steel bars. The invention further discloses a construction method of the prefabricated assembly type bridge deck structure. Wet joint setting and effective connection between prefabricated beam bodies can be completed without formwork supporting, a bridge deck structure forms a unified whole, good force transmission between the beam bodies is achieved, and the stress performance and the anti-seepage performance of the bridge are guaranteed.

An installing and adjusting device of an automobile children safety seat comprises a pedestal and a supporting leg fixing support fixed at the bottom of the pedestal, the other side of the pedestal relative to the supporting leg fixing support is equipped with a crocodile jaw interlinking member fixedly, and an interlinking rod is in cup joint in the crocodile jaw interlinking member. A crocodile jaw interlinking pipe is fixed at the end part of the interlinking rod, a crocodile jaw is fixed at the end part of the crocodile jaw interlinking pipe, and a crocodile jaw pin is fixed at the right end of the crocodile jaw and penetrates and is inserted in the left end of the crocodile jaw interlinking pipe. The installing and adjusting device of the automobile children safety seat at least has the effects that the crocodile jaw can extend out of the pedestal for snap joint, the installation is easy, and the structures are compact and stable after installation.

The invention discloses a tube chain type loading homogenizing system, comprising a raw material silo, a mixing homogenizing silo and three groups of tube chain conveying devices; structures of the three groups of tube chain conveying devices are the same, and the three groups of tube chain conveying devices include vertical tube chain conveying devices, upper horizontal tube chain conveying devices and lower horizontal tube chain conveying devices; the vertical tube chain conveying devices are vertically arranged at the left side of the mixing homogenizing silo, the upper horizontal tube chain conveying devices are horizontally arranged at the upper part of the mixing homogenizing silo, and the lower horizontal tube chain conveying devices are horizontally arranged beneath the mixing homogenizing silo; the mixing homogenizing silo includes several groups of mixing homogenizing silos fixed on the group side by side; in conclusion, different batches of materials are homogenized in several mixing silos under the driving of three tube chain conveying devices, thus the whole framework design is reasonable, the operation step is simple; materials are fully homogenized by using the circular tube chain, production quality of aluminium oxide polishing powder is guaranteed, and the practicability is strong.

The invention discloses an elevator composite counterweight grinding ultraflat production line. The production line comprises a loading platform, a unloading platform, an operation platform and an electric control console; the operation platform includes a moving mechanism, a host machine body, and guide columns arranged on two sides of the host machine body; bearing bases are arranged on the guide columns; main shaft boxes are arranged on the bearing bases; lifting lead screws and driving shaft motors are arranged in the main shaft boxes; belt wheels are arranged on output shafts of the driving shaft motors, and are connected with main shafts through power belts; diamond grinding wheels are arranged at the lower ends of the main shafts; the loading platform includes a loading mechanical roller way frame on one side of the host machine body; the unloading platform is arranged on the other side of the host machine body; and the unloading platform includes a unloading roller way provided with multiple rotating rollers. The production line has the advantages of reasonable structure design, convenience for operation, capability of largely relieving the labor intensity of workers, improvemeent of the working environment, reduction of the enterprise production cost, effective guarantee of the product flatness and the size precision requirement and improvement of the production efficiency.

The invention provides a connecting joint structure of a steel pipe column and a side wall invading into the side wall. The connecting joint structure comprises the steel pipe column and the side wall, wherein at least two rows of horizontal steel bars are arranged in the side wall and are respectively close to the surfaces of two sides of the side wall; the steel pipe column invades into the side wall, so that one row of steel bars are broken at the invading part of the steel pipe column; a connecting plate which is connected with the broken steel bars in parallel is arranged on the steel pipe column; a T-shaped plate is also connected to the steel pipe column; a web plate of the T-shaped plate is perpendicular to the side wall; and one end of the web plate is connected with the top of the steel pipe column invading into the side wall, and the other end of the web plate is perpendicularly connected with a flange of the T-shaped plate. The connecting joint structure has the characteristics that the steel pipe column and the side wall are integrally deformed, the force transmission of the steel bars of the side wall is coherent, the structure of the steel pipe column is complete and the like, and the integral safety and stability of a wall column component can be effectively guaranteed.

The invention relates to the technical field of ventilation devices, and concretely relates to a ventilation device for an aircraft test. The device comprises a plurality of groups of sub-circulating air treatment systems; and each group of sub-circulating air treatment system comprises an air return system, a temperature treatment system connected with the air return system and used for adjusting air, an air supply system connected with the temperature treatment system and used for conveying the adjusted air, and a humidity treatment system used for adjusting humidity. The overall structural design is reasonable, the extreme environment air circulation treatment problem of a large aviation aircraft climate laboratory can be effectively solved through the multiple sets of sub-circulation air treatment systems, the laboratory can be divided into multiple areas in a layout division mode, and then the multi-area airflow organization partition adjustment is conducted, so that the temperature field, the humidity field and the velocity field meet test requirements of different environments.

The invention relates to the technical field of medical waste collection, in particular to a guide rail pull-out type bag opening device. The guide rail pull-out type bag opening device comprises two pull-out type suction mechanisms which are in axial symmetry. A supporting plate is arranged outside the pull-out type suction mechanisms, and a suction cavity is formed inside the pull-out type suction mechanisms. A first-layer push-pull device and a second-layer push-pull device are arranged in the suction cavity. The first-layer push-pull device is driven by a first driving device arranged on the supporting plate. The second-layer push-pull device is installed on the first-layer push-pull device. A plurality of suction cups are arranged on the second-layer push-pull device. The suction cups are driven by a second driving device arranged on the first-layer push-pull device. The suction cups are connected with a vacuum pump through an air path pipeline. By means of the two layers of push-pull devices and the guide rail pull-out mode, the automatic opening action of a garbage bag can be better achieved, the problem that medical staff make contact with waste during medical waste treatment is avoided, and protection is provided for the medical staff.