4875results about How to "Flexible use" patented technology

The present invention relates to the field of medical imaging technology, and discloses a mobile slide rail CT, including a scanning ring, a U-arm body and a base table, wherein the outer wall of the scanning ring is provided with the U-arm body, and the base table is provided below the U-arm body, the interior of the scanning ring includes a rotor assembly and a stator assembly, and a rotor drive assembly is provided between the rotor assembly and the stator assembly, and the interior of the U-arm body includes a control box, an operation panel, a cable rope, a cable handle, a cable hook, and a camera. In the present invention, by installing the CT device on a movable base, and configuring a battery module for the CT device so that the CT device relies on its own energy storage to work, and gets rid of the constraints of the cable on the device, the CT device can be flexibly moved between different working positions, which well solves the clinical problem of multiple working positions sharing one CT device, facilitates the flexible use of the CT device in an operating room or a radiotherapy room, and reduces the equipment cost of the hospital and enhances flexibility.

The invention discloses a laser cutting device for aluminum bar machining, and relates to the technical field of hollow aluminum bar laser cutting, the laser cutting device comprises a control box, and further comprises a rotating mechanism installed at the top of the control box and used for driving a hollow aluminum bar to rotate; the cutting mechanism is connected with the control box and the rotating mechanism; the material slag isolation mechanism is arranged under the laser cutting position, aluminum slag generated in the laser cutting process is collected, it is avoided that the filter slag splashes and falls on the inner surface of the hollow aluminum bar, the situation that the inner surface of the hollow aluminum bar is damaged by overheated aluminum slag is avoided, and the service life of the hollow aluminum bar is prolonged. The material slag isolation mechanism is suitable for various hollow aluminum bars with different inner diameters larger than the outer diameter of the material slag cylinder, and is flexible to use; the discharging mechanism is installed, the cutting position faces downwards after cutting, the cut-off aluminum material is separated from the cutting position in a vibration mode, and therefore the situation that the aluminum material falls into the hollow aluminum bar, and scratches are caused to the inner wall of the hollow aluminum bar in the rotating or later cleaning process is avoided.

The invention discloses an independent manipulator for a high-temperature environment and a preparation device thereof, and relates to the technical field of manipulators, the independent manipulator comprises a U-shaped frame, a rack and a machining mechanism, a rotator is mounted in the middle of the bottom of the U-shaped frame, a large arm is mounted at the rotating end of the bottom of the rotator through a connecting plate, and a small arm is hinged to the bottom end of the large arm; the machining mechanism comprises a connecting sliding block and a hydraulic cylinder, a round roller is installed at an opening in the outer side of the connecting sliding block in a rolling mode, and a servo motor is installed at the position, close to the round roller, of the outer side of the connecting sliding block. A grinding belt is installed in the middle of the outer circle face of the round roller, and a stirring pin is fixedly installed on the side, away from the servo motor, of the outer circle face of the grinding belt. According to the independent manipulator for the high-temperature environment and the manufacturing device of the independent manipulator, the anti-falling effect is achieved, grabbing is firm, falling is not likely to happen, a polishing device can be adjusted, and polishing is accurate.

The invention discloses a light aging test instrument, which includes a test cavity, a bottom baseplate, the top cover board which is fixed on the bottom and the top of the test cavity respectively. A lamp socket which fitted with a lamp is right on the centre of the base plate, the photo permeable holes are set at the same height on the side wall of the test cavity. A visual light narrow wave band filter sheet is in the photo permeable hole, and the sample trough is fitted on the photo permeable hole. The test instrument has a compact structure, easy to disassemble and assemble, inflexible for employ, with low cost of the production.

The invention discloses a high-temperature radiation furnace tube for enhancing heat transfer as well as a preparation method and application of the high-temperature radiation furnace tube. The heat-transfer-enhanced high-temperature radiation furnace tube comprises a high-temperature radiation furnace tube, namely a thick tube, of which the inner surface is subjected to roughness treatment and / or a high-temperature radiation furnace tube, namely a streaming terminal, of which the inner surface is sequentially subjected to roughness treatment and streaming structure surfacing treatment, and the roughness parameter Ra of the inner surface of the thick tube is 3.2-40.5 m; and the streaming structure is in one or more forms of a sphere, a raindrop shape and a strip shape. According to the invention, the heat conduction effect and the temperature and airflow uniformity of the furnace tube can be obviously improved through combination of slight increase of the inner surface area and a micron-scale inner surface streaming structure within a certain range, meanwhile, the filling volume of a catalyst in the furnace tube is not influenced, and obvious pressure drop at the outlet end of the furnace tube is avoided.

The utility model relates to the technical field of enteroscopy detection, in particular to an anal dilatation device for enteroscopy detection in the gastroenterology department, which comprises a sleeve, extending petals which are symmetrically distributed are arranged at one end of the sleeve, and connecting plates which are symmetrically distributed are fixedly mounted at the ends, close to the sleeve, of the two extending petals. And the extending petals are hinged to the outer wall of one end of the sleeve through connecting plates. According to the enteroscope detection anal dilatation device for the gastroenterology department, through cooperative use of the sleeve, the stretching valve, a reset spring, a fixing block, a pull rope, a winding frame, a supporting plate, a mounting groove, a worm gear, a fixing cavity, a worm, a gear, a motor, a connecting plate and a transmission shaft, in the use process, the stretching valve is opened and closed through mechanical driving, and in the actual operation process, the stretching valve is not prone to falling off; a doctor can easily achieve the effect of expanding the anus of a patient only by controlling opening and closing of the stretching-in valve through the control button, manual adjustment of a mechanical structure is not needed, and the workload of the doctor is reduced.

The utility model relates to a waterproof construction laitance removing device which comprises a device box body and a Z-shaped handrail connected with the device box body, a square tube seat and a vibration rod connected with the square tube seat are installed on the front portion of the device box body, a vibration shovel is installed at the lower end of the vibration rod, and the vibration rod is connected with a vibration motor arranged in the device box body through the square tube seat. A slag suction box is arranged on the top face of the device box body, and a slag suction disc is arranged below the bottom face. According to the device, laitance slag blocks cleaned by the vibration shovel can be adsorbed and collected in a centralized mode through the slag suction box and the slag suction disc, meanwhile, dust generated during operation can be adsorbed, dust pollution is greatly reduced, the health of constructors is protected, the device can be flexibly used on a large waterproof operation face due to the fact that the device is provided with a power source, and potential safety hazards caused by long-distance external connection of cables are avoided.

The invention discloses an indoor intelligent lamp, and belongs to the technical field of lighting devices, the indoor intelligent lamp comprises a lamp holder, a lamp holder is fixedly connected to the lamp holder, a lamp shell is fixedly connected to the bottom of the lamp holder, heat dissipation pieces are mounted in the lamp holder and the lamp shell, and each heat dissipation piece comprises a fan and a convex cylinder; a convex barrel is arranged in the lamp shell, the convex barrel can stretch and retract up and down along the rotating rod, a dust blocking cavity is formed between the convex barrel and the lamp shell, the lower end of a dust sweeping rod can push a positioning insertion strip to penetrate into the bottom of the lamp shell, and an LED bulb is arranged in the lampshade. The LED lamp has the advantages that the service life of the lamp is guaranteed, meanwhile, the situation that the lighting effect of the LED bulb is affected due to the fact that external dust directly enters the lampshade is effectively avoided, the dust blocking effect is achieved, the lighting efficiency of the lamp is guaranteed, dust in the dust blocking cavity can be cleaned, and the heat dissipation efficiency is further guaranteed.

The utility model discloses an automobile safety belt toughness performance detection device, which relates to the technical field of automobile part detection devices and comprises a workbench, auxiliary grooves are formed in the front side and the rear side of the surface of the workbench, and a guide groove is formed in the middle of the upper portion of the surface of the workbench. Supporting plates are fixedly arranged at the positions, located at the two ends of the guide groove, above the surface of the workbench, and fixing mechanisms are arranged above the opposite sides of the surfaces of the supporting plates. Compared with an existing common automobile safety belt toughness performance detection device, the automobile safety belt toughness performance detection device can conveniently and effectively fix a safety belt, the safety belt is tensioned and stretched along with toughness detection, the safety belt can rotate towards one side of the middle through the clamping teeth, and the safety belt cannot rotate due to limiting of the rear end of the pressing plate and the bottom plate; therefore, even in the tensioning and stretching detection process of the safety belt, the fixing firmness is kept, the safety belt is prevented from loosening, and the stability of the safety belt in the testing process is greatly improved.

The invention discloses an efficient disposable spiral suspension type cutter shaft with a coarse-fine combined structure, and relates to the field of planer tool shafts. The milling cutter comprises a cylindrical cutter body, a shaft head and a shaft rod are coaxially arranged at the two ends of the cylindrical cutter body, the cylindrical cutter body, the shaft head and the shaft rod are integrally formed, rough milling cutter rows and finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body and distributed at intervals, and the rough milling cutter rows and the finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body. And the rough milling cutter row and the fine milling cutter row are spirally distributed on the outer side surface of the cylindrical cutter body. The rough milling cutter rows and the finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body to be matched to achieve synchronous segmented cutting and finish cutting, and the rough milling cutter rows and the finish milling cutter rows are distributed on the outer side face of the cylindrical cutter body in a spiral mode. It is guaranteed that the rough milling cutter row and the finish milling cutter are better driven to machine wood in the rotating operation process of the cylindrical cutter body, and rough cutter sets distributed at intervals are adopted by the rough milling cutter row to conduct rapid segmented machining.

The utility model discloses a desilting device for hydraulic engineering, which belongs to the technical field of desilting devices and comprises a shell and a high-pressure water gun, electric push rods are fixedly mounted at the positions, close to the front side and the rear side, of the upper end of an electric sliding block, and roller assemblies are fixedly connected between the output ends of the upper ends of the electric push rods. Fixing sleeves are fixedly installed at the positions, close to the left side and the right side, of the outer wall of the high-pressure water gun, a lug plate is fixedly connected to the middle of the upper end of the right fixing sleeve, an adapter is fixedly connected to the middle of the lower end of the right upper end roller assembly, and the lug plate and the adapter are rotationally connected; according to the pipeline cleaning device, pushing force can be generated through the propellers, so that the device freely moves in a pipeline, the device can be fixed through the rolling wheel assemblies, shaking in the cleaning process is avoided, and meanwhile sediment in the pipeline can be thoroughly cleaned through impact force of water flow and brushing force of bristles.

A high-compatibility power supply controller comprises a signal identification assembly, a switch driver and a switch assembly. The signal recognition assembly comprises a high-frequency signal recognizer, and the high-frequency signal recognizer receives a first input signal. And the switch driver is connected with the high-frequency signal recognizer. The switch assembly is connected with the switch driver. Wherein the high-frequency signal recognizer executes a counting program comprising a preset number of counting cycles within a preset time interval to detect the number of sine waves of the first input signal, and generates a conduction signal when the number of sine waves of any counting cycle is greater than or equal to a preset threshold value. The switch driver turns on the switch assembly according to the turn-on signal.

The invention discloses a multistage fine-adjustable modular coaxial capillary micro-fluidic chip and an emulsion preparation method, and belongs to the technical field of micro-fluidic chips. The chip comprises a focusing capillary tube, a collecting capillary tube, a square capillary tube, a sliding rail base module, a feeding module and a liquid inlet platform module. Focusing capillary tubes are inserted into the first and second side connectors of the liquid inlet platform, square capillary tubes are inserted into the second and third side connectors of the liquid inlet platform, and a collecting capillary tube is inserted into the right connector of the third liquid inlet platform; and the focusing capillary tube and the collecting capillary tube jointly extend into the square capillary tube. The whole forms a single-stage chip module, and a plurality of single-stage modules are connected in series through a rubber hose to form a multi-stage chip which is used for preparing complex micro-droplets and the like. The device adopts a split type modular structural design, and has the advantages that the assembly is convenient, the standardization can be realized, and the preparation efficiency of complex micro-droplets is improved. And the precise 3D printing technology is combined, mold opening is not needed, flexible machining of parts is achieved, and cost is reduced.

The utility model provides a photovoltaic panel cleaning trolley, and relates to the field of photovoltaic panel cleaning. The cleaning vehicle comprises a vehicle body, a water spraying device, a sweeping device and a water stain cleaning device, the sweeping device comprises a first mounting frame, a rolling brush and a sweeping motor, and the first mounting frame is mounted in front of the vehicle body; the rolling brush is rotatably mounted on the first mounting frame; the cleaning motor is fixedly mounted on the first mounting frame; the water spraying device comprises a water tank, a self-sucking pump and a nozzle; the water tank and the self-sucking pump are arranged on the vehicle body; the nozzle is arranged on the first mounting frame; the clean water stain device comprises a second mounting frame, a sponge and an extrusion motor, and the second mounting frame is mounted behind the vehicle body and comprises a rear baffle; a pressing plate capable of reciprocating back and forth is mounted on the second mounting frame; the sponge is arranged between the rear baffle and the pressing plate; the extrusion motor is fixedly connected with the second mounting frame, and an output shaft is in transmission connection with the pressing plate. The cleaning vehicle can greatly improve the cleaning effect on the photovoltaic panel, and is low in requirement on water resources, so that the cleaning vehicle is wide in application range and very suitable for northwest regions.

The utility model discloses a punching tool for TGV glass production, and relates to the technical field of TGV glass production, the punching tool comprises a workbench, a placing frame is fixedly installed in the middle of the upper portion of the surface of the workbench, and supporting columns are fixedly installed on the left side and the right side of the upper portion of the surface of the workbench; an adjusting mechanism is arranged in the middle of the opposite side above the supporting columns, a laser drilling head is arranged below the adjusting mechanism, the adjusting mechanism comprises transverse frames which are fixedly installed on the opposite sides above the surfaces of the supporting columns on the two sides correspondingly, and a first lead screw is rotationally arranged on the inner surface of the transverse frame on the left side through a bearing; and a first guide rod is fixedly mounted on the inner surface of the right transverse frame. Compared with an existing common punching tool for TGV glass production, according to the punching tool for TGV glass production, through the adjusting mechanism, the laser punching head is located in the same plane and can move at will, accurate punching can be conducted on any position of glass, using is more flexible, and practicability is higher.

The embodiment of the invention provides an automobile air conditioner heat exchange assembly, an automobile air conditioning box and an automobile air conditioning system, and relates to the field of vehicle-mounted air conditioners, and the automobile air conditioner heat exchange assembly comprises a heat exchange core body, a refrigeration connector and a heating connector. And the heat exchange core body is provided with a heat exchange channel for a refrigerant to flow. The refrigerating connector and the heating connector are both connected with the heat exchange core body and communicate with the heat exchange channel, and one of the refrigerating connector and the heating connector is selectively used in cooperation with the heat exchange core body. The heat exchange core body of the automobile air conditioner heat exchange assembly integrates the functions of the evaporator and the condenser, and is simple in structure, small in size, beneficial to miniaturization and light weight design, few in parts needed for installation and low in assembly cost.

A multi-stage anti-impact energy absorption structure of a hydraulic column solves the problems of the existing anti-impact energy absorption mechanism of the hydraulic column, such as complex buffer structure, large space occupation, high manufacturing cost, limited impact energy that can be absorbed, inability to meet use requirements, large later maintenance workload, high maintenance cost, and long operation cycle for restoring tunnel support. It includes a multi-stage shear pressure column, characterized in that: a buffer energy absorption sleeve is provided at the lower part of the multi-stage shear pressure column, and the upper end opening of the inner cavity of the buffer energy absorption sleeve is plugged into the lower end of the multi-stage shear pressure column; a multi-stage anti-impact shear plate is fixedly provided in the inner cavity of the buffer energy absorption sleeve, and the multi-stage anti-impact shear plate is located below the multi-stage shear pressure column. It has a reasonable design and a compact structure, can realize multi-stage energy absorption buffering, can effectively absorb a large amount of impact energy, protect the structure of the hydraulic column, has good safety, is convenient for later maintenance, has a low production cost, and is flexible and reliable to use.

The invention relates to a trigger object system based on openGauss (open Gauss). The system comprises a trigger creation module, a trigger head and a trigger control module, wherein the trigger head is used for specifying trigger user authority, a table object on which a trigger depends, trigger operation, trigger type, trigger position, trigger sequence, trigger frequency and trigger conditions; the trigger body comprises statements needing to be executed after the trigger is triggered; the trigger calling module is used for executing trigger statements and trigger operation statements according to a sequence specified by a trigger when a user needs to execute trigger operation on a table object on which the trigger depends; and the trigger deletion module is used for dropping the corresponding trigger to realize deletion of the trigger when the trigger has the related authority. The trigger object system can be directly created, deleted and used independent of the trigger function, the strong dependency relationship of an original mode is avoided, and the trigger can be used more flexibly and conveniently. Meanwhile, trigger permission access control is added in the system, so that the use of the trigger is safer.

The invention discloses a flexible protective net multi-angle impact resistance test platform, a design method and a test method, and belongs to the field of flexible protective net performance tests.The flexible protective net multi-angle impact resistance test platform comprises two oppositely-arranged reaction walls, a flexible protective net arranged between the two reaction walls, hoisting equipment arranged above the flexible protective net and a monitoring analysis mechanism; a plurality of positioning holes arranged in a rectangular array are formed in the opposite sides of the two reaction walls, and the positioning holes in the two reaction walls are aligned one by one in the horizontal direction; the flexible protective net is composed of transverse steel strands and longitudinal steel strands, and the two ends of the longitudinal steel strands penetrate through the positioning holes in the two reaction walls respectively and then are fixed to the ground through ground anchors. By adopting the multi-angle impact resistance test platform for the flexible protective net, the design method and the test method, a vertical impact test or an inclined impact test can be carried out on the flexible protective net by utilizing the scientifically designed test platform, and the use is more flexible.

The utility model discloses a flexible fireproof cable which comprises an outer insulation sleeve, an armor layer is pressed on the inner side of the outer insulation sleeve, an inner insulation sleeve is pressed on the inner side of the armor layer, partition plates are compounded on the inner side of the inner insulation sleeve from top to bottom, cable inner layers are compounded on the inner sides of the partition plates, and cable outer layers are compounded on the inner sides of the cable inner layers. A cable core is pressed on the inner side of the cable inner layer, and through holes are formed in the circumference of the outer wall of the cable inner layer from top to bottom. According to the flexible fireproof cable, the split type design is adopted, the insulating oil is divided into a plurality of independent individuals, in actual use, the situation that the insulating oil is wasted is avoided, it is guaranteed that other normal parts of the cable are not affected by the insulating oil except short-circuit fire, and in the use process, although the cable has a damaged part, the cable can be prevented from being damaged. The whole structure cannot be damaged, maintenance is convenient, use is flexible, practicability is high, and the use requirement on the existing market is met.

The utility model provides an infant enterostomy plugging device, and belongs to the technical field of medical instruments. The infant enterostomy plugging device comprises a sealing plate, a hollow pipe is fixed to the middle of the lower end face of the sealing plate, a pipe opening communicated with the hollow pipe is formed in the middle of the upper end face of the sealing plate, the pipe opening is matched with a sealing cover, and an expansion balloon is arranged in the middle of the hollow pipe in a surrounding mode. A water injection pipe extending into the inner wall of the hollow pipe is installed on the upper end face of the sealing plate, and the lower end of the water injection pipe is communicated with the expansion balloon. One end of the sealing cover is connected with a soft belt, and the soft belt is fixed to the edge of the upper end face of the sealing plate. The enterostomy bag can be suitable for enterostomy with different sizes, is flexible to use, can accommodate the intestine body exposed out of the enterostomy to avoid compression, and is beneficial to improving the nursing management effect of the enterostomy.

The invention discloses an adjustable tuyere camera, and relates to the technical field of tuyere cameras, the adjustable tuyere camera comprises a support body, a camera body and a lens, and further comprises a cleaning mechanism arranged at the output end of an electric push rod and used for wiping and cleaning the lens, the cleaning mechanism comprises a cleaning box, a driving assembly, a winding roller and an unwinding roller which are arranged on the side of the driving assembly, two winding drums which are respectively arranged on the winding roller and the unwinding roller through clamping assemblies, and cleaning cloth which is wound between the two winding drums. The cleaning cloth is driven to wipe the lens up and down, stubborn stains can be removed, the dust removal effect is better, the winding roller and the unwinding roller are driven by the driving assembly to rotate, the cleaning cloth roll is driven, the used cleaning cloth can be automatically replaced, the service life of the cleaning mechanism is prolonged, the workload of workers is reduced, and the cleaning efficiency is improved. The use is more convenient.

The utility model belongs to the technical field of pin processing, and particularly relates to a semiconductor electronic component pin shearing device which comprises a first driving device, a second driving device and a pin shearing device. The second driving device is connected with the first driving group and comprises a second driving group; the pin shearing device comprises a fixed seat arranged on the first driving group and a connecting piece arranged on the second driving group; the connecting piece is in sliding connection with the fixed seat, a fixed cutter is arranged on the fixed seat, and a movable cutter is arranged on the connecting piece; during use, the second driving set drives the connecting piece to reciprocate on the fixed piece so that the movable cutter can be close to or away from the fixed cutter, and the movable cutter can be matched with the fixed cutter to shear pins when close to the fixed cutter. The first driving device, the second driving device and the pin shearing device are matched with one another to complete pin shearing of the electronic element, the working procedure is simple, operation is convenient, the pin shearing time can be shortened, and the machining efficiency is improved.

The embodiment of the invention discloses a wafer carrying device. The wafer carrying device is used in cooperation with a preloading cavity, a first containing cavity is formed in the preloading cavity, an opening is formed in the side face of the first containing cavity, and the wafer carrying device comprises a moving cavity, a sealing bottom plate, a wafer frame and a linkage mechanism; the shape of the moving cavity is matched with that of the first accommodating cavity, and the moving cavity can be accommodated in the first accommodating cavity; a mounting hole is formed in the moving cavity, and the linkage mechanism is arranged on the mounting hole; a second containing cavity is formed in the moving cavity, and a sealing opening is formed in the bottom of the second containing cavity. And the sealing bottom plate and the wafer rack are arranged on the linkage mechanism. The wafer carrying device has the advantages of being small in size, flexible to use, low in cost and high in reliability, is suitable for carrying small-batch wafers, and can remarkably improve the overall carrying efficiency.

The invention relates to a photon number distinguishable detection system and a photon number distinguishable detection method. A BOOST booster circuit module provides a direct-current voltage meeting the requirement that a multi-pixel photon counter works in a Geiger mode under the control of an FPGA (Field Programmable Gate Array); the temperature control circuit module collects the internal temperature of the multi-pixel photon counter and controls the temperature, so that the multi-pixel photon counter works at a constant temperature; the signal amplification circuit module amplifies an avalanche signal output by the multi-pixel photon counter and sends the amplified avalanche signal to the signal processing module, the signal processing module carries out extraction, photon number distribution analysis, error analysis and optimization and real-time photon number judgment and output on the signal output by the multi-pixel photon counter, and the FPGA receives an error analysis and optimization result of the signal processing module. And the adjusting signal is sent to the BOOST circuit module. The system is high in integration level and stable in temperature control, comprises an error detection and optimization unit, can output the photon number in real time, is simple to operate, can communicate with a PC upper computer through a USB interface, is flexible to use, and can realize low-error photon number distinguishable detection.

The embodiment of the utility model provides a steel rail welding operation vehicle, the steel rail welding operation vehicle is located on a line rail adjacent to an operated rail, the operation vehicle comprises a rail welding vehicle, the rail welding vehicle comprises a first loading platform, and the first loading platform is sequentially provided with a power room, an operation room and a welding machine hoisting device; the welding machine hoisting device comprises a fixed base arranged on the first loading platform; the leveling mechanism is arranged on the fixed base and is used for leveling the welding machine hoisting device; the welding machine is movably arranged at one end of the fixed base and is used for welding a new steel rail and a joint of an existing line steel rail; the first crane is arranged in the middle of the leveling mechanism and used for hoisting the welding machine; the beneficial effects of less personnel participation, low labor intensity, high safety degree, high working efficiency and capability of realizing adjacent line welding and ultrahigh line operation are achieved; the method is suitable for the technical field of railway line maintenance.

The invention relates to the technical field of dry-type transformers, and discloses a dry-type transformer with a lead-out wire arrangement structure, which comprises a dry-type transformer main body, a control cabinet and a base, and is characterized in that the dry-type transformer main body is connected with the control cabinet through a plurality of wire groups; wire arranging mechanisms with the same number as the wire groups are arranged between the dry-type transformer main body and the control cabinet, and the wire arranging mechanisms are used for independently fixing a plurality of wires in the same wire group. According to the invention, the plurality of independent junction box assemblies are arranged on the wire mounting part, and can be used for separately fixing and arranging a plurality of wires of the same wire group, so that each wire is kept at a safe distance, and the problem of chain reaction of the wires can be avoided.

The invention belongs to the technical field of circuit board tin soldering, in particular to a tin soldering device for circuit board production, and provides the following scheme that the tin soldering device comprises a side base and a tin soldering structure mounted above the side base, and the tin soldering structure comprises a fixing assembly; in the using process, a circuit board is placed, the movable placing table can slide in the moving groove above the top table to adjust the position so as to adapt to the size of the circuit board, after the circuit board is placed, the circuit board is clamped through the clamping rods to improve the stability, and the height of the top table is adjusted through lifting of the hydraulic rods in the adjusting process; due to the fact that the bottoms of the clamping rods and the position adjusting rods are installed together through the translation grooves, the position adjusting rods can translate downwards in the translation grooves when moving downwards, and due to the fact that the centers of the clamping rods and the supporting rods are fixed together through the top rotating shafts, the clamping rods can rotate inwards. And the top of the clamping rod is close to the circuit board placed above the movable placing table to press the circuit board, so that displacement in the welding process is avoided.

The utility model relates to the technical field of fixing and supporting, and discloses a fixing and supporting device for house assembly type construction, which comprises a base I and a base II, a guide rod is fixedly connected onto the base I, a limiting block is fixedly connected onto the guide rod, a threaded rod is rotatably connected between the limiting block and the base I, and a threaded rod is fixedly connected onto the threaded rod. A threaded block is in threaded connection with the threaded rod, a connecting long strip is hinged to the threaded block, a supporting rod is hinged to the connecting long strip, the supporting rod is hinged to the limiting block, and the threaded block is slidably connected to the guide rod. According to the fixing and supporting device for house assembly type construction, when the fixing and supporting device for house assembly type construction is used, the motor is started and drives the threaded rod to rotate, so that the threaded hole in the threaded rod ascends, the supporting rod is unfolded to be used for supporting an assembly type component, the stress area is greatly increased, and the component is uniform in stress, not prone to deformation and firm in connection; the overall safety and stability are not affected, operation is easy, and time and labor are saved.