254results about How to "Control altitude" patented technology

The invention relates to the technical field of batteries, and discloses a battery shell and a battery. The battery case includes: a case having an opening; the cover plate seals the opening to form a containing cavity, the cover plate comprises a cover plate body and a folded edge arranged on the edge of the cover plate body, the folded edge extends in the direction away from the containing cavity and is welded to the shell, a welding area is formed at the welding position of the folded edge and the shell, and in the extending direction of the folded edge, the cover plate body is located on the side, close to the containing cavity, of the welding area. In the direction perpendicular to the upper surface of the cover plate body, the distance between the side, close to the containing cavity, of the welding area and the upper surface of the cover plate body is h, the distance between the side, away from the containing cavity, of the folded edge and the side, close to the containing cavity, of the cover plate body is H, and h / H is larger than or equal to 0.17 and smaller than or equal to 0.5. The cover plate can play a buffering role, and the cover plate is prevented from being separated from the shell during thermal runaway; meanwhile, the overall height of the cover plate can be controlled, and the internal space of the shell is ensured, so that the energy density of the single battery is ensured.

The invention belongs to the field of petroleum and natural gas engineering, and discloses a hydrofracture optimization design method for controlling the fracture height of a deep coal bed gas reservoir and a related device. Establishing a three-dimensional fracture crossing numerical simulation model by using the modeling parameters; calculating the critical mechanical parameters and the critical bedding number of the roof rock and the floor rock of the target coal seam section by using the three-dimensional fracture crossing numerical simulation model; according to the calculated critical mechanical parameters of the top plate rock and the bottom plate rock, the actual mechanical parameters of the critical bedding number and the bedding number, whether the target coal seam section needs to be subjected to crack height control or not is judged; and when the target coal seam section needs to be subjected to fracture height control, performing fracture form simulation by utilizing the three-dimensional fracture crossing numerical simulation model to obtain a fracture construction parameter when the fracture height meets the requirement, and taking the fracture construction parameter as a final fracture construction parameter. The method can effectively control the crack height of the target coal seam section, and the single well production effect after fracturing is improved.

The invention discloses a pneumatic magnetic flow suspension system capable of adjusting the height of a vehicle chassis, which comprises an automobile suspension system, an adjusting system and an adjusting mechanism, the adjusting system is arranged in the automobile suspension system, the adjusting mechanism is arranged in the automobile suspension system, and the adjusting mechanism comprises a gas transmission pipe. The two ends of the gas transmission pipe communicate with sliding sleeves, the interiors of the sliding sleeves are slidably connected with first pistons, the tops of the first pistons are fixedly connected with lifting rods, the tops of the lifting rods penetrate to the exteriors of the sliding sleeves, and the outer sides of the sliding sleeves communicate with sealing sleeves through connecting pipes. By arranging the adjusting system, driving the adjusting mechanism to operate, driving the automobile chassis to move up and down through the adjusting mechanism and adjusting the height of the automobile chassis, when a user uses the automobile chassis, protrusions on the ground cannot rub the automobile chassis, the height of the automobile chassis can be controlled, and therefore normal use of the user is guaranteed.

The invention discloses a soil pesticide residue degradation treatment device, and relates to the field of soil treatment, the soil pesticide residue degradation treatment device comprises: a mobile frame, the mobile frame is provided with a placing area and an accommodating cavity; the lifting mechanism comprises a lifting seat and an electric cylinder connected with the lifting seat; the multiple soil loosening and pesticide spraying mechanisms are rotationally installed at the bottom of the lifting base side by side, each soil loosening and pesticide spraying mechanism comprises a rotating disc, a pesticide spraying pipe is fixedly embedded in the middle of each rotating disc, a rotating connector is connected to the top end of each pesticide spraying pipe, and four plate bases surround the pesticide spraying pipes; a plurality of soil loosening assemblies are installed on the side, away from the pesticide spraying pipe, of the plate base from top to bottom at equal intervals. Hardened soil is subjected to crushing and loosening treatment through the multiple soil loosening and pesticide spraying mechanisms, meanwhile, degradation pesticide liquid is sprayed through the multiple soil loosening and pesticide spraying mechanisms, the degradation pesticide liquid can effectively make contact with the loose soil, permeation of the degradation pesticide liquid is facilitated, and the degradation treatment effect is improved.

The utility model discloses a furniture drop test device. The furniture drop test device comprises a base; the cross beam is arranged above the base, a plurality of guide wheels are arranged on the outer side of the cross beam at equal intervals, a steel wire rope is wound on the outer sides of the guide wheels, and one end of the steel wire rope is fixedly connected with a lifting plate; the assembly plate is clamped at the bottom of the lifting plate, two fixing clamps are rotatably arranged at the bottom of the assembly plate, and the assembly plate is used for clamping furniture and carrying out an impact experiment. The equipment has the beneficial effects that the equipment can carry out a falling test and an impact test on the furniture, and various physical impacts, such as falling and impact, possibly encountered by the furniture in actual use can be simulated; real test data can be provided to help to improve the product quality, multiple purposes are realized, the equipment can be more widely applied to various test requirements due to multiple functions, and the space and the cost are saved; through cooperative use of the bidirectional lead screw and the driving motor, the position of the clamping plate and the height of the lifting plate can be accurately controlled, and accurate execution of an experiment is ensured.

The invention relates to the technical field of aquaculture wastewater cyclic utilization, in particular to an aquaculture wastewater microalgae cyclic utilization system and a method thereof.The aquaculture wastewater microalgae cyclic utilization system comprises a raceway pond, a wastewater pretreatment mechanism and a power stirring mechanism, and a pipeline type photobioreactor is arranged on one side of the raceway pond; one side of the top end of the pipeline type photobioreactor is connected with a liquid storage tank, the bottom end of the liquid storage tank is connected with a second connecting pipe, the bottom end of the liquid storage tank is connected with a liquid discharging pipe, one end of the raceway pond is provided with a gas storage tank, one end of the gas storage tank is connected with a first connecting pipe, and the middle of the raceway pond is fixedly connected with a second partition plate. The system is high in applicability, high in stability and high in flexibility, the position is adjusted according to specific conditions, the microalgae culture cost of the system is low, the process is simple and convenient, the benefits of a user are improved, meanwhile, waste water generated by aquaculture can be recycled and turned into wealth, secondary pollution to the environment is avoided, and the environment can be protected.

The invention relates to the technical field of automatic treatment of welding seams, and discloses automatic treatment equipment for welding seams on the inner and outer walls of an anti-corrosion storage tank, which comprises an equipment shell, an operation handle is fixedly connected right above the equipment shell, a driving motor is fixedly connected to the side wall of the equipment shell, and an output rotating shaft is fixedly connected to the output end of the driving motor. A fixing plate is arranged under the equipment shell. When the device is used, the positioning sliding rails on the fixing plate are firstly placed in the anti-corrosion tank, the positioning sliding rails are adjusted so that a welded welding seam can be located between the two positioning sliding rails, the clamping plates can ascend by rotating the lead screw, the clamping plates can be tightly attached to the outer wall of the anti-corrosion tank, and in this way, the positioning sliding rails can be fixed to the inner wall of the anti-corrosion tank conveniently; at the moment, the device is placed in the anti-corrosion tank, a first sliding block under an extrusion rod in an equipment shell is placed on two positioning sliding rails so that the first sliding block can stably slide above the positioning sliding rails, and therefore a grinding part of the device can conveniently and accurately grind a welding seam.

The utility model discloses a cold and hot integrated rolling spraying machine which comprises an installation box, an installation support is installed in the installation box, a roller assembly is installed on the installation support, a cold air assembly is arranged above the roller assembly, a roller cover assembly is arranged in front of the roller assembly, the bottom of the cold air assembly is connected with a lifting assembly, and the lifting assembly is installed on the installation support. The roller assembly is connected with the hot-air assembly; the cold air assembly comprises a cold air cover, the cold air cover is connected with the lifting assembly through a support, a cold air inlet and a cold air outlet are formed in the cold air cover, the cold air inlet is connected with an air cooler through a cold air pipeline, the air cooler, the lifting assembly, the roller assembly and the hot air assembly are connected with a control screen, and the control screen is installed on the installation box. The cold air assembly is arranged on the rolling spraying machine, accessories subjected to rolling spraying can be cooled in time, repeated rolling spraying of the accessories is facilitated, and the machining efficiency of the accessories is improved; the height of the cold air assembly can be controlled through the lifting assembly, so that different cooling requirements are met.

The invention belongs to the technical field of metal plate non-cutting machining, particularly relates to a welding neck flange totally-closed rolling forming die and a forming process, and aims to solve the problems that an existing process is more in step, low in rolling efficiency and incapable of accurately rolling the appearance. The welding neck flange totally-closed rolling forming die comprises a base, and a box body is fixed to the top of the base; one side of the box body is in sliding fit with two door leaves which are used for sealing the interior of the box body; the movable box slides on the inner wall of the top of the box body, a mandrel penetrates through the bottom of the movable box and is used for punching and rolling blanks, and a rotating ring is rotationally arranged at the top of the base. After punching, the mandrel is matched with the rolling die and the moulding bed to directly conduct rolling operation, the rolling procedures are reduced, and the production efficiency is improved. In addition, in the rolling process, the height of the blank can be limited through cooperation of an air cylinder, a lower moving ring and a conical wheel, and the forming accuracy of the blank is greatly controlled.

The invention belongs to the technical field of yarn winding, and discloses a colored spun yarn winding device capable of preventing yarn breakage, which comprises a shell, a processing table is fixed outside the shell, a winding roller is movably connected inside the shell, and through the cooperation of an extension plate, a connecting seat, an air cylinder and other structures, the yarn breakage can be prevented. According to the yarn tension compensation device, the air cylinder is started to extend or contract when the detection assembly detects that the tension of the yarn changes and deviates, the extension of the air cylinder enables the position of the second guide wheel to move upwards, and therefore the tension of the loose yarn is compensated, and the air cylinder pulls the second guide wheel to move downwards when contracting, so that the tension of the loose yarn is compensated. According to the winding tension adjusting device, the tension of the yarn can be adjusted, then the tension of the tight yarn is loosened, the phenomenon that the yarn is broken is prevented, the tension degree can be adjusted when the position of a second guide wheel moves through the sliding design of a second guide block and a machining table, and therefore the purpose that the winding tension degree can be adjusted conveniently through the winding tension adjusting device to prevent the phenomenon that the yarn is broken is achieved.

The utility model discloses a polishing device for a ceramic scraper, which belongs to the technical field of scraper processing and comprises a mounting table, a Y-axis transmission component, a Z-axis transmission component and an X-axis transmission component, the Y-axis transmission component is assembled on the upper end face of the mounting table, and the Z-axis transmission component is assembled on one side of the Y-axis transmission component; the X-axis transmission assembly is assembled on the upper end face of the mounting table and located at the lower ends of the Y-axis transmission assembly and the Z-axis transmission assembly, two supporting rods are assembled on one side of the upper end face of the mounting table and arranged in parallel, a side mounting block is slidably arranged between the two supporting rods, and a fan is assembled on one side of the side mounting block. A locking knob is arranged on one side of the side mounting block in a penetrating mode, and one end of the locking knob abuts against the adjacent supporting rod. The polishing device for the ceramic scraper has the advantages that multi-axis all-directional control is achieved, machining efficiency is improved, multi-axis all-directional control is achieved, machining requirements of complex curved surfaces of the ceramic scraper can be met more flexibly, and machining comprehensiveness is improved.

The utility model belongs to the technical field of spreading vehicles, in particular to an electric spreading vehicle with a lifting mechanism, which comprises an electric vehicle and further comprises a storage bin, the storage bin is arranged above the electric vehicle, the bottom end of the storage bin is fixedly communicated with a discharge pipe, and the front side of the discharge pipe is fixedly communicated with a discharge pipe; the first motor is fixedly mounted on the rear side of the discharging pipe, and an output shaft of the first motor penetrates through the rear side of the discharging pipe and extends into the discharging pipe; the height of the discharging pipe, the height of the storage bin and the height of the discharging pipe are adjusted through a simple structure, so that the discharging pipe adapts to feed troughs with different heights for feed adding, the application range is widened, meanwhile, the amount of discharged feed can be controlled, the feeding efficiency is improved, the labor intensity of workers is reduced, and the labor intensity of workers is reduced. And the feeding uniformity is improved, high-quality feed scattering is achieved, and the practicability is high.

The utility model discloses polyester fully-drawn yarn production equipment based on a drawing reduction process, which comprises a workbench, a traction mechanism is arranged at the top of the workbench, a drawing mechanism is arranged in the workbench, and the drawing mechanism comprises a drawing component, a drawing component and a drawing component, the surface of the supporting rod is connected with a supporting plate in a sliding mode. According to the polyester fully-drawn yarn production equipment based on the stretching process reduction, the stretching strength of the adjusting roller to polyester yarn is monitored in real time through the pressure sensor, and the controller monitors the stretching strength of the adjusting roller to the yarn according to the pressure sensor, so that operation of the driving motor is controlled, and adjustment of the height of the adjusting roller is achieved; by changing the height of the adjusting roller, the stretching force of the adjusting roller on the silk yarn is recovered to the preset value, so that the stretching tension of the silk yarn can be timely and accurately regulated and controlled, and the working efficiency and the finished product quality are improved.

The utility model relates to the technical field of seat angle adjuster machining, in particular to seat angle adjuster laser welding auxiliary clamping equipment which comprises an equipment table, a motor, a connecting ring, a dust hood, a screw rod, an exhaust pipe and a clamping mechanism, the motor is installed at the bottom of the equipment table, and the connecting ring is fixed to the upper surface of the equipment table; according to the auxiliary clamping equipment for laser welding of the seat angle adjustor, a core disc of the seat angle adjustor is effectively clamped, the core disc is controlled to rotate slowly in the welding process, the welding area is automatically adjusted, the welding efficiency is improved, and the welding quality is improved. Smoke dust generated by laser welding is effectively absorbed, the health problem caused by heavy metal smoke dust is reduced, in the clamping and welding process, the height of the clamping base can be adjusted, clamping is facilitated, meanwhile, the distance between the dust collection device and a welding area is effectively controlled, and therefore the dust collection effect is guaranteed.

The present invention relates to the technical field of bed guardrails, and specifically to an installation-free bed guardrail, which is applied to a bed with a mattress, the bed guardrail comprises a support and a guardrail, the support is sandwiched between the bed and the mattress, and the guardrail is fixedly connected to the support; it is characterized in that the support is arranged at the head and tail ends of the bed, the guardrail is foldable, and the guardrail is combined with the support to form a whole surrounding the mattress after unfolding, and the guardrail comprises a plurality of columns, a plurality of cross bars and a connector. The present invention is an integrated installation-free bed guardrail, which can be used for thick and thin mattresses, is more stable and firm than general bed guardrails on the market, and is more convenient to install. By folding various parts, the cloth cover can be packaged after installation in the factory. When using it, the customer only needs to place the bed bottom pressure bar and then open the guardrail to install it on the bed body, which is convenient for pre-installing the cloth cover, and it can be directly unfolded and installed during assembly, which is especially convenient for some female users to use and assemble.

The adjustable support for threaded pipe machining comprises a first circular plate, a first bearing is fixedly embedded in the bottom face of the first circular plate, a first rotating rod is fixedly connected to the inner ring of the first bearing, and a second circular plate is fixedly connected to the bottom face of the first rotating rod. And four supporting legs are fixedly connected to the bottom face of the second circular plate, a second bearing is fixedly embedded in the bottom face of each supporting leg, and a second rotating rod is fixedly connected to the inner ring of each second bearing. According to the device, a first rotating rod can rotate in a first bearing, so that a first circular plate rotates, rotation of a working panel is achieved, convenience of machining a threaded pipe on the working panel is improved, the working panel can be pulled up and pushed down through stretching and retracting of a telescopic column, the height of the working panel is controlled at will, and the working efficiency is improved; and a second rotating rod rotates in a second bearing, so that a wheel mechanism below the second rotating rod can rotate, and the whole device can be moved in all directions.

The utility model discloses an electric clothes airing machine based on the sensing technology, and relates to the technical field of electric clothes airing machines, the electric clothes airing machine comprises an internal primary lifting support which is arranged in an electric clothes airing machine support, an internal secondary lifting support is arranged on the inner side of the internal primary lifting support, and the internal secondary lifting support is arranged on the inner side of the internal secondary lifting support. According to the device, clothes can be wrapped by installing an internal first-stage lifting support, an internal second-stage lifting support and an isolation support, so that the two sides of the clothes are isolated from the outside, excessive transfer of heat on the inner side of the device to the outside is prevented, energy consumption of the device is effectively reduced, the clothes drying effect of the device is improved, and the using effect of the device is enhanced; an adsorption iron plate is installed to be matched with an electromagnet, so that the height of the isolation support can be conveniently controlled by the electric multi-stage telescopic rod, the isolation support is put down when needing to be used, the isolation support can be prevented from returning to the interior of the electric clothes airing machine support when not needing to be used, and the device is more convenient to use.

The invention provides a manufacturing method of an air slot isolation structure, and belongs to the field of integrated circuit manufacturing. Comprising the following steps: forming an ONO hard masking layer on a semiconductor substrate through thermal oxidation or deposition; photoetching, gluing, exposing and etching the upper surface of the ONO hard masking layer to form an air slot position; performing dry etching on the semiconductor substrate to form a deep groove structure; sacrifice oxidation and sacrifice oxidation rinsing are carried out on the deep groove structure to form a deep groove structure after sacrifice oxidation; performing thermal oxidation on the side wall and the bottom surface of the oxidized deep groove structure to form a thermal oxidation buffer layer of silicon dioxide; depositing a sealing oxide layer, and filling the surface of the deep groove structure; removing silicon dioxide on the uppermost surface of the ONO hard masking layer by using CMP planarization; and rinsing the silicon nitride layer and the silicon dioxide cushion oxygen layer by a wet method to form a complete air slot isolation structure. According to the invention, a complete air slot isolation structure is realized through a simple process, the process cost is reduced, and the production efficiency is improved; simple and reliable process control is realized; and the surface stress risk is reduced.

The utility model relates to the technical field of industry, and discloses an industrial internet large screen structure which comprises a first fixing plate, the lower end face of the first fixing plate is fixedly provided with the output end of a first electric push rod, the lower end of the first fixing plate is provided with a second fixing plate, and the lower end face of the second fixing plate is fixedly provided with a third fixing plate. A cover plate is arranged at the upper end of the first fixing plate, and an adjusting assembly is arranged at the lower end of the first fixing plate. The adjusting assembly comprises a first electric push rod and a second electric push rod, and a third fixing groove is formed in the top wall of the second fixing plate. By arranging the first electric push rod, the height of the first fixing plate can be controlled, so that the height of the display screen can be controlled, a user can use the display screen conveniently, meanwhile, by arranging the second electric push rod, pulleys are moved out of the second fixing groove when moving is needed, the pulleys are moved into the second fixing groove when moving is not needed any more, and by arranging the cover plate, the display screen is convenient to use. And a protection effect is achieved.

The invention relates to the technical field of durability detection, in particular to an automobile lightweight pedal assembly durability detection device which is characterized in that a box base is fixedly connected to the interior of an outer box body, a rotating motor is mounted at the top of the box base, and a rotating gear is fixedly connected to the output end of the rotating motor; an installation top ring is fixedly connected to the top of the outer box body, an installation top plate is fixedly connected to the inner side of the installation top ring, and an inner gear ring is fixedly connected to the bottom of the installation top plate. According to the pedal assembly durability testing device, simulation of different treading forces is achieved, the durability of the pedal assembly is comprehensively tested, meanwhile, the treading end is located between the two pushing devices by adjusting the height, and a denser treading mode and a mode combining heavy treading and light treading are achieved.

The invention discloses a bag squeezing and expanding pile forming method. A bag squeezing and expanding pile comprises a prefabricated pipe pile and a plurality of slurry bags fixed to the side wall of the prefabricated pipe pile. The bag squeezing and expanding pile forming method comprises the steps that pile hole forming and mortar replacement are carried out in a to-be-constructed area, then a prefabricated pipe pile is placed in a formed hole, and after the prefabricated pipe pile is placed in a pile hole of a foundation, concrete slurry is injected into a slurry bundling bag or into the slurry bundling bag and the prefabricated pipe pile; and the slurry bundling bag becomes an annular expansion ring body surrounding the prefabricated pipe pile and is embedded into a foundation. According to the bag squeezing and expanding pile, the nodes are additionally arranged on the pile body, so that the compression resistance and the pulling resistance of the pile body are achieved; meanwhile, the in-column water accumulation steel pipe is additionally arranged at the top of the pile to control the height of underground water, and the buoyancy of the pile is reduced.

The utility model relates to the technical field of measuring equipment, in particular to a measuring device for power construction. Comprising a tripod and a measuring instrument, the tripod comprises a base for loading the measuring instrument and three foot tubes rotatably installed on the periphery of the base through a damping rotating shaft, at least one foot tube is divided into a supporting tube and a connecting tube embedded in the supporting tube, a positioning bolt is arranged between the connecting tube and the supporting tube, and two sets of telescopic rods are installed at the end of the connecting tube in a spaced, radial and sliding mode. Elastic pieces are arranged between the telescopic rods and the connecting pipes, and connecting holes in one-to-one correspondence with the telescopic rods are formed in the upper ends of the supporting pipes. By adjusting the connecting state of the connecting pipes and the supporting pipes, truss supporting can be formed in the stretching state, the supporting angle of the lower side foot pipes is adjusted, the supporting range is widened, and therefore the tripod can be supported on the inclined face more stably.

The utility model discloses sand barrier inserting equipment, and belongs to the technical field of desertification prevention and control engineering. The sand barrier insertion equipment comprises a fixed frame and a movable frame, a moving mechanism; a material roll supporting assembly; the lifting assembly comprises a lifting driving device longitudinally arranged between the fixed frame and the movable frame, a fixed part of the lifting driving device is fixedly connected with the fixed frame, and an output end of the lifting driving device is movably connected with the movable frame; the three sand inserting assemblies are arranged in the circumferential direction of the bottom end of the movable frame and connected end to end to form a U-shaped structure; a conveying assembly; and a cutting assembly. According to the sand barrier inserting equipment, a dynamic clamping-forming-inserting planting continuous operation system is formed, mechanical operation of the whole process from material conveying, forming machining to precise inserting planting is achieved, the production efficiency is improved, and labor force is saved.

The utility model discloses an automatic magnetic steel counter bore machine, which relates to the technical field of magnetic steel counter bore machines and comprises a working plate, the upper surface of the working plate is fixedly connected with a fixing plate, the front surface of the fixing plate is provided with a groove, the inner wall of the groove is slidably connected with a sliding plate, and the front surface of the sliding plate is fixedly connected with a counter bore machine body. And the upper surface of the working plate is fixedly connected with an electric telescopic rod. The counter bore machine is reasonable in design structure, the electric telescopic rod can drive the sliding plate to slide in the groove, the height of the counter bore machine body can be controlled, counter bore can be conducted on the counter bore machine body conveniently, objects needing counter bore are conveyed through the conveying mechanism and conveyed to a machining table, and machining efficiency is improved. According to the counter bore machine, automatic counter bore operation is achieved in cooperation with operation of the counter bore machine body, the machining efficiency is improved, chippings generated during counter bore are blown into the storage frame through rotation of fan blades on the fan mechanism, then the chippings fall into the storage frame from small holes, collection of the chippings is achieved, and environment pollution is prevented.

A planning sand table convenient to replace modules disclosed by the present invention comprises a sand table main body, the upper surface of the sand table main body is provided with a mounting groove, the mounting groove is internally provided with a mounting module, the mounting module comprises a mounting main body, a sliding block, a connecting rod, a fixing groove, a positioning groove and a positioning pin, the connecting rod is connected with the mounting main body and the sliding block, and the fixing groove is connected with the sliding block. The sliding block is in an I shape, the top of the mounting groove is located between the two ends of the I shape, the fixing grooves are formed in the two sides of the mounting groove, the positioning grooves are formed in the two ends of the top of the sliding block, the positioning pins sequentially penetrate through the positioning grooves and the fixing grooves, and after the pressing guide rods are pressed and the supporting columns are driven inwards, the supporting columns can enter and exit from the mounting holes conveniently. Therefore, installation and replacement are completed. The positioning pins penetrate through the positioning grooves and the fixing grooves, the sliding blocks are fixed to the mounting grooves, and position replacement during simulation is facilitated.

The utility model provides a lower limb postoperative traction nursing device, which relates to the technical field of postoperative nursing and comprises a mounting structure, an assembly part, a placement structure and an air outlet structure. The mounting structure comprises a mounting assembly and a mounting block; the assembly part comprises a telescopic first assembly rod and a second assembly rod extending in the horizontal direction, and the two ends of the first assembly rod are connected with the mounting block and the second assembly rod correspondingly; the placing structure comprises a mounting part and a placing part, the mounting part can be horizontally and movably mounted on the second assembly rod, and the placing part is used for placing the lower limbs; the air outlet structure comprises a fan and an air outlet pipe, one end of the air outlet pipe is communicated with the fan, and the other end of the air outlet pipe extends to the placing part and is used for supplying air to the outer surface of the lower limb. The postoperative traction nursing device for the lower limbs can be easily arranged in a ward, air flow at the lower limbs of a patient can be effectively guaranteed, rehabilitation of the lower limbs of the patient is facilitated, and the hanging height and angle of the lower limbs of the patient can be adjusted very conveniently.

The utility model discloses an expressway photovoltaic anti-glare panel, relates to the photovoltaic anti-glare panel field, and comprises a panel body 1, the interior of the panel body 1 is movably connected with a panel body 2, the bottom of the panel body 1 is fixedly embedded with a support rod, the lower end part of the support rod is fixedly connected with a base, the interior of the base is provided with a cavity in a reserved manner, and the cavity is provided with a through hole. And a screw rod is rotationally connected to the interior of the cavity and is in transmission connection with a rotating shaft through a bevel gear set, and a rotating disc is fixedly connected to the end of the rotating shaft. The rotating disc is rotated to drive the rotating shaft to rotate, the screw rod is driven to rotate under the transmission action of the bevel gear set, the screw rod is in threaded connection with the second plate body, the second plate body is located in the first plate body and attached to the inner wall of the movable groove reserved in the first plate body to move up and down, and therefore lifting motion of the second plate body is facilitated; the height of the whole anti-glare panel composed of the first panel body and the second panel body is further controlled, and meanwhile follow-up adjustment of the height of the anti-glare panel is more convenient.

The utility model discloses a constant-temperature water bath box with a stirring and rubbing mixing device, which comprises a water bath box body, four corners of the bottom end of the water bath box body are respectively provided with a support leg, the right side of the front end face of the water bath box body is provided with a drain valve, and the upper end of the water bath box body is hinged with a top cover through a hinge. According to the water bath, the liquid level sensor is arranged in the water bath box body and can monitor the liquid level in the water bath box body at any time, once the liquid level is lowered, the controller can control the water pump to work, and the water pump pumps water and discharges the water through the water inlet pipe; when the liquid level reaches the height detected by the liquid level sensor, the water pump stops working, the height of the water level can be controlled at any time, the stirring device is arranged in the water bath box body, the driving motor drives the stirring shaft to rotate, and the stirring rod on the stirring shaft can fully fuse the medicine and water, so that the mixing effect is relatively good, and the use is convenient. And the labor intensity of workers is reduced.

The invention discloses an annular radiation emission testing device and method, the device comprises an antenna tower with a testing antenna, an annular guide rail, a signal transmission cable and an upper computer, the antenna tower is constructed to be a movable part capable of moving along the guide rail, the antenna tower is connected with the upper computer through the signal transmission cable, and the upper computer is connected with the annular guide rail. The upper computer controls the antenna tower to move on the guide rail; the antenna tower comprises an antenna tower base, a roller, a vertical rod, a cross rod and the test antenna, the antenna tower base moves on the guide rail through the roller, the vertical rod is erected on the antenna tower base, the cross rod is configured to be a height-adjustable part installed on the vertical rod, and the test antenna is arranged on the test antenna. The test antenna is installed on the cross bar. The method is suitable for radiation emission tests of various large-scale products, and the test efficiency is high.

The invention belongs to the technical field of nondestructive testing and flaw detection of boiler tube panel welding joints, and particularly relates to nondestructive testing and flaw detection equipment for boiler tube panel welding joints, which comprises a boiler tube panel support frame and a flaw detection machine, and further comprises support equipment for supporting the flaw detection machine, the clamping device is arranged on the fixing frame and can move up and down on the fixing frame; a control device; the control device controls the clamping device to ascend and descend on the fixing frame. The flaw detection machine has the beneficial effects that the control device is adopted to drive the clamping device to move up and down on the fixing frame, so that the height adjustment range of the flaw detection machine is expanded, an operator can more conveniently adapt to the detection requirements of boiler tube screen welding joints with different heights, and the detection efficiency and accuracy are improved. And the flaw detection machine can obtain a stable supporting effect at different heights, so that the safety risk in the detection process is reduced.