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74results about How to "Easy to adjust control" patented technology

Lock pin welding device for locker and working method of lock pin welding device

The invention discloses a lock pin welding device and a working method thereof.The lock pin welding device is used for welding a lock pin and a lock pin handle and comprises a workbench, a driving table, a clamping rod, a manual clamp and a welding gun assembly, the driving table, the clamping rod, the manual clamp and the welding gun assembly are arranged on the workbench, and the driving table is arranged at one end of a top plate of the workbench; a horizontal output shaft of the driving table is fixedly connected with a three-jaw chuck; the root of the clamping rod is clamped on the three-jaw chuck, and the lock pin is coaxially clamped at the cantilever end of the clamping rod and is pressed through the manual clamp; the lock pin handle is preassembled at the end of the lock pin shaft, and the two welding gun assemblies are arranged on the two sides of the lock pin handle correspondingly and machine an inner circumferential welding seam and an outer circumferential welding seam correspondingly. Two circumferential welds of the lock pin of the locker can be welded at the same time, and the welding efficiency and quality are improved.
Owner:BAODING LENOVO FOUNDRY CO LTD

Hanging wheel capable of being internally adjusted

The utility model discloses an internally adjustable hanging wheel, which comprises a plurality of groups of hanging wheels arranged on a frame, the plurality of groups of hanging wheels are symmetrically arranged on two sides of the frame, the lower end of the frame is provided with a supporting seat used for assisting the frame in supporting, the supporting seat is connected with the top of a sliding door through a mounting bolt, and the sliding door is connected with the supporting seat through the mounting bolt. The hanging wheel is composed of an annular rolling wheel and a ferrule, and the annular rolling wheel is rotationally connected to the outer side of the ferrule. According to the internally adjustable hanging wheel, when the hanging wheel is used, the lifting assembly and the transmission assembly are matched with each other, the use height of the hanging wheel on the frame is adjusted, in the whole adjusting process, adjusting parts are arranged on the frame, internal adjustment is achieved, the hanging wheel can be conveniently adjusted and controlled in a narrow space, and the use safety of the hanging wheel is improved. And in the process of adjusting the hanging wheel, a driving part is mainly formed by matching a threaded push pin with an inclined surface, so that the requirement on transmission precision is relatively low, the hanging wheel is not easy to block, and the hanging wheel is convenient to adjust and use.
Owner:FOSHAN MEIFUMANKE HARDWARE PROD CO LTD

Aluminum cap measuring equipment convenient to position

ActiveCN222539811UGuaranteed continuous deliveryshorten the timeMovement controlMeasuring equipment
The utility model discloses an aluminum cover measuring device convenient for positioning, which comprises a bottom frame and a rotating disc, the rotating disc is movably arranged at the center of the top of the bottom frame, left support frames are symmetrically arranged at the top end of the bottom frame on one side of the rotating disc, and sliding arms are arranged at the tops of the left support frames. A connecting frame is mounted on the outer wall of the side, close to the rotating disc, of the sliding arm, a left air cylinder is arranged at the top end of the connecting frame, a right supporting frame is mounted at the top end of the bottom frame on the other side of the rotating disc, and a right air cylinder is mounted at the top of the right supporting frame. According to the utility model, the aluminum caps can be conveniently and continuously conveyed for rotary measurement, conveying and collection, the movement control adjustment can be conveniently and rapidly carried out, the time for switching between the aluminum caps during measurement is shortened, the aluminum caps can be conveniently and better picked and conveyed, and the efficiency of large-batch measurement of the aluminum caps is improved; and the convenience of collecting the measured aluminum caps is improved.
Owner:LIUZHOU SHENGSHI NEW ENERGY TECH CO LTD

Positive photosensitive polyimide composition with high elongation at break and application thereof

The invention relates to a positive photosensitive polyimide composition with high elongation at break and application of the positive photosensitive polyimide composition. The photosensitive polyimide composition comprises polyamide acid resin, diazonaphthoquinone sulfonate, a thermal crosslinking agent, a surfactant, a flexibility aid and a solvent. According to the positive photosensitive polyimide composition disclosed by the invention, on one hand, the flexibility auxiliary agent can be used for remarkably improving the elongation at break of a photosensitive polyimide film on the premise of not influencing the tensile strength of the photosensitive polyimide film and improving the mechanical properties of flexibility and bending resistance of the photosensitive polyimide film; on the other hand, the uniformity that a solvent volatilizes and escapes from the interior of a film after the photosensitive polyimide composition is glued is improved, and the flatness of the cured photosensitive polyimide is improved; in addition, a certain effect of reducing the curing temperature of the photosensitive polyimide is achieved.
Owner:WANHUA CHEM GRP CO LTD

Stomatoscope for stomatology

InactiveCN119548080AEnables angular adjustabilityEasy to adjustSurgeryEndoscopesOral medicinePatient need
The invention discloses a stomatoscope for stomatology, and particularly relates to the technical field of stomatology, the stomatoscope comprises a handheld rod and a stomatoscope body, one side of the handheld rod is fixedly provided with an L-shaped rod, one end of the L-shaped rod is fixedly provided with a connecting rod, and the outer wall of the stomatoscope body is rotatably provided with a connecting shaft; one end of the connecting shaft is fixedly connected with the outer wall of the connecting rod, a moving assembly is movably installed in the handheld rod, an adjusting column is fixedly installed at the top of the moving assembly, and a telescopic rod is arranged in the mouth mirror body. According to the scheme, the problem that angle adjustment of an existing mouth mirror is difficult to control is solved, the mouth mirror can rotate independently, rotation adjustment of the whole device is not needed, the situation that a patient needs to open the mouth as much as possible is avoided, examination pain of the patient is relieved, rotation of the mouth mirror is slow and controllable, and the mouth mirror can be fixed when rotated to any angle; the situation that the angle needs to be fixed through fingers all the time is avoided, and detection problems caused by hand shaking are also avoided.
Owner:ZHEJIANG MEDICAL COLLEGE

Cable-stayed bridge steel main tower segment positioning device and positioning method

The present invention discloses a segment positioning device and positioning method of a cable-stayed bridge steel main tower, comprising a supporting steel plate welded and fixed on the wall plate of the steel main tower; a main steel plate supported on the supporting steel plate; the main steel plates are four in number, and the four main steel plates are arranged around the steel main tower; a horizontal jack group and a vertical jack group are installed on the main steel plate; the steel main towers of two adjacent segments adjust their horizontal relative positions through the horizontal jack group; the steel main towers of two adjacent segments adjust their vertical relative positions through the vertical jack group. The positioning device of the present invention can be reused, easy to install, easy to disassemble, more stable, accurate in positioning, and fast in positioning; the device has strong flexibility and adaptability, and good applicability; each component of the positioning device of the present invention is made of the same steel material as the steel main tower itself, and is easy to install and disassemble, and easy to modify.
Owner:CHINA COMM CONSTR GRP SIXTH ENG CO LTD

Multi-cavity gas isolation device

The utility model relates to the technical field of semiconductor processing equipment, in particular to a multi-chamber gas isolation device, which comprises a mounting plate, a gas guide pipe, a gas isolation mechanism and a connecting block, the gas isolation mechanism is connected onto the mounting plate through the connecting block, one end of the gas guide pipe is connected with a gas inlet of the gas isolation mechanism, and the other end of the gas guide pipe is connected with a gas outlet of the gas isolation mechanism. The other end of the gas-guide tube is connected with a gas source. Due to the arrangement of the gas isolation mechanism, the gas isolation devices on the two sides of the cathode cavities form one path of gas, the gas adjustment of the cathode cavities is more controllable, and the gas between the two cathode cavities can be effectively isolated; the problem of gas blow-by is solved, the process environment is optimized, the equipment can cope with various composite film layers, and the applicability is improved.
Owner:ANHUI HUAYUAN EQUIP TECH CO LTD

Movable kiln top cover and communication system

ActiveCN222598472Uavoid crackingPrevent deformation and crackingCommunications systemProcess engineering
The utility model relates to a movable kiln top cover and a communication system. The movable kiln top cover comprises a top cover body, the sealing ring is arranged right above the kiln body and is suitable for abutting against the top of the kiln body so as to seal the kiln body; the upper cover is suitable for being connected with the top cover body; a plurality of supporting pieces are arranged on the side, facing the top cover body, of the upper cover and are suitable for supporting the upper cover and the top cover body on the upper cover. A driving part is arranged between the upper cover and the top cover body and is suitable for moving the top cover body towards the direction close to or away from the kiln body, the top cover body can be moved to any kiln for use, the application range is wider, meanwhile, the kiln bodies which are not used do not need to be independently provided with the top cover body, and the cost is reduced. Therefore, the cost is effectively reduced.
Owner:China Light Industry Ceramics Research Institute (Teaching and Research Base of Jingdezhen Ceramics University)

Blade meshing size debugging visualization device

ActiveCN224209578UAdjustment gapAchieve the purpose of visual adjustmentAutomatic control devicesMeasurement/indication equipmentsStructural engineeringKnife blades
The utility model relates to the technical field of machining, in particular to a blade meshing size debugging visualization device. According to the technical scheme, the device comprises a tool rest and a top plate, a basic cushion block is arranged in the middle section of the tool rest, a lower tool apron is arranged between the lower portion of the basic cushion block and the tool rest, a lower blade is rotationally arranged on the lower tool apron, an upper tool apron is arranged between the upper portion of the basic cushion block and the tool rest in a lifting mode through a lead screw assembly, and an upper blade is rotationally arranged on the upper tool apron. The top plate is arranged at an opening in the top end of the tool rest, a positioning assembly is arranged on the upper surface of the top plate, and the positioning assembly is used for limiting the rotating state of a screw of the lead screw assembly. According to the utility model, the high-precision visual adjustment of the blade gap is realized through the matching of the structures, and the debugging efficiency and the processing stability are obviously improved.
Owner:SIWEI AUTOMATION EQUIP TIANJIN CO LTD

Shoebox marking press

The utility model discloses a shoebox marking press, which belongs to the technical field of shoebox production and comprises an operation table, a first rotating shaft is sleeved at the bottom of the inside of the operation table through a bearing A, a driven gear is fixedly connected to the surface of the first rotating shaft, and a first driving component is arranged between the driven gear and the operation table. The top end of the first rotating shaft is fixedly connected with an adjusting plate, the top of the adjusting plate is provided with a clamping assembly, the surface of the operation table is fixedly connected with a supporting frame, and the interior of the supporting frame is sleeved with a second rotating shaft through a bearing B. The shoebox marking press has the beneficial effects that the shoebox marking press can clamp and fix a shoebox by arranging the clamping assembly; the stability of the shoe box during line pressing is guaranteed, a second driving assembly works to drive a first threaded rod to rotate, so that a first threaded sleeve, an adjusting frame, an electric push rod and a line pressing frame are driven to descend, and the position of the line pressing frame can be conveniently adjusted and controlled.
Owner:HENAN DEZHIXING SHOES TECH CO LTD

Method for preparing superfine aluminum oxide through indirect oxidation of primary aluminum

The invention discloses a method for preparing superfine aluminum oxide by indirect oxidation of primary aluminum, which comprises the following steps of: chlorinating the primary aluminum at high temperature by adopting AlCl3, converting aluminum in the primary aluminum into gas-phase AlCl, reacting the gas-phase AlCl with oxygen in a fluidized bed filled with an aluminum oxide bed material to generate aluminum oxide and gas-phase AlCl3, and circularly using the gas-phase AlCl3 for chlorination of the primary aluminum. According to the present invention, the primary aluminum is adopted as the aluminum source, the AlCl3 is adopted as the chlorinating agent, the oxygen is adopted as the oxygen source, and the ultrafine alumina powder is prepared through the chlorination-oxidation, such that the process is easy to adjust and control, the heat generated by the oxidation reaction can be effectively removed, the large-scale sintering of the product is prevented, the production cost is low, and the product is convenient to collect, high in purity and good in quality. Meanwhile, the cyclic utilization rate of system materials is high, large-scale efficient preparation of superfine aluminum oxide can be achieved, and good economic benefits and social benefits are achieved.
Owner:CHINALCO RES INST OF SCI & TECH CO LTD +1

Subframe test load loading device

The utility model discloses a kind of test load loading devices of auxiliary frame, belong to test stand technical field.The device includes: lifting device and angle adjusting device;Angle adjusting device includes positive and negative buckle lead screw, positive buckle thread slide block, reverse buckle thread slide block, first pin shaft, second pin shaft, support, connecting seat, support pin shaft and third connecting plate;Positive and negative buckle lead screw is used to drive positive buckle thread slide block and reverse buckle thread slide block to do linear motion of opposite direction or opposite direction, to make positive buckle thread slide block and reverse buckle thread slide block mutually close or away;Linear motion of positive buckle thread slide block and reverse buckle thread slide block is converted into the rotary motion of third connecting plate around support pin shaft axis, to drive lifting device rotation.The device makes when carrying out automobile auxiliary frame control arm connecting point test, can extremely conveniently adjust loading angle and distance.
Owner:CITIC DICASTAL CO LTD

Modified asphalt production tank

The utility model discloses a modified asphalt production tank, which belongs to the technical field of asphalt processing, and comprises a bottom plate, the top of the bottom plate is provided with a mounting seat, the top of the mounting seat is provided with a supporting assembly, the inner side of the supporting assembly is provided with a material mixing cylinder, and the inner side of the material mixing cylinder is provided with a material mixing rod. According to the modified asphalt production tank, by arranging the supporting assembly, the mixing barrel can be limited and supported, the stability of the mixing barrel during rotation is guaranteed, through work of the second driving assembly, a driven gear, the mixing barrel and a mixing rod can be driven to rotate, materials in the mixing barrel can be turned over and mixed, and the mixing efficiency is guaranteed; the first driving assembly works to drive the first threaded rod to rotate, so that the first threaded sleeve, the adjusting frame and the feeding box are driven to ascend and descend, when the feeding box is low, materials can be conveniently supplemented, the use of manpower during feeding is reduced, and the feeding efficiency is guaranteed.
Owner:YILI SHENGCON INFORMATION TECH DEV CO LTD

Lifting device, lifting system and lifting method suitable for lifting tower column segments

The present invention relates to the technical field of segment beam lifting and handling equipment, and specifically refers to a hoisting device, a hoisting system and a hoisting method suitable for hoisting tower column segments. The suspension beam is fixedly connected to the tower movable pulley block; the upper ends of four groups of hydraulic adjustment structures are respectively fixed to the four corners of the suspension beam; the slewing support beam is connected to the lower ends of the four groups of hydraulic adjustment structures; the slewing structure is installed on the slewing support beam; the middle position of the main beam is connected to the slewing structure; two groups of distribution beams are respectively placed at both ends of the main beam; the first translation structure is arranged between the main beam and the distribution beam; the rotating structure is arranged between the main beam and the distribution beam; four rotary lock rods are respectively placed at both ends of the two groups of distribution beams; the second translation structure is arranged between the rotary lock rod and the distribution beam; the rotary lock structure is arranged on the distribution beam. The hoist of the present invention can meet the various lifting point changes during the hoisting of the tower column segment, can meet various needs, is simple to operate, and has high operating efficiency.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

Multi-angle adjustable film tube blow shower tooling

ActiveCN224644259UEasy to fixConvenient for blowing and cooling
This utility model proposes a multi-angle adjustable membrane tube blowing fixture, including a blowing table. A positioning component is connected to the upper surface of the blowing table. The positioning component includes an annular fixing frame, and a set of electro-hydraulic rods are fixedly embedded on the outer surface of the annular fixing frame. One end of each electro-hydraulic rod is connected to an arc-shaped clamping plate. This invention relates to the field of membrane tube processing technology. This device, through the driving force of the electro-hydraulic rods, combined with the assistance of the arc-shaped clamping plate and the use of the annular fixing frame, can easily position and fix the membrane tube to be blown. Furthermore, combined with the blowing assembly, it can easily blow and cool the membrane tube. The rotation of the forward and reverse motors can drive the gears to rotate accordingly, and the gears mesh with the annular gear ring. The annular sliding groove is slidably connected to the mounting frame, which can easily drive the blowing assembly to blow in multiple directions and angles, thus improving the blowing and cooling efficiency and quality of the membrane tube.
Owner:ANHUI CHIYI MASCH MFG CO LTD

Bending device for electric power iron tower accessory

The utility model discloses a bending device for electric power iron tower accessories, which comprises a supporting mechanism and a bending mechanism assembled at the top of the supporting mechanism, the supporting mechanism comprises a main cabinet body, and a supporting box is fixedly mounted on the front side of the top of the main cabinet body. According to the bending device for the electric power iron tower accessory, through cooperation of the supporting plate and the bending plate, the supporting plate can horizontally support and place an accessory raw material plate, the bending plate can press down and bend raw materials, and the angle of the supporting plate during operation can be adjusted by means of a double-end motor, a driving gear and a gear ring; according to the accessory raw material plate bending device, the supporting angle of an accessory raw material plate can be adjusted, the bending angle of the accessory raw material plate can be adjusted by adjusting the angle of the accessory raw material plate, therefore, a worker can adjust and control the accessory raw material plate conveniently according to the machining requirement of accessories, the functionality of the device is improved, and limitation is reduced.
Owner:XINJIANG TIANWEI JIANDA CIRCUIT EQUIP MFG CO LTD

Auxiliary equipment for radiotherapy of cervical cancer

The utility model discloses an auxiliary device for cervical cancer radiotherapy, which comprises a middle seat and a support pedal, one end of the middle seat is provided with the support pedal, the other end of the middle seat is provided with a backrest, the outside of the middle seat is provided with a support frame, the bottom end of the support frame is provided with walking wheels, and the walking wheels are connected with the support frame. Four sets of sliding rods are installed at the top end of the supporting frame at equal intervals, the top ends of the sliding rods are all connected with the middle base, a hydraulic cylinder is installed in the center of the interior of the supporting frame, a lifting column is installed at the top end of the hydraulic cylinder, and the top end of the lifting column is connected with the middle base. According to the auxiliary equipment for cervical cancer radiotherapy, convenient sitting or supine use of the auxiliary equipment for cervical cancer radiotherapy is achieved, multi-posture adjustable use is facilitated, legs of a patient can be conveniently adjusted and supported, the auxiliary equipment can be conveniently adjusted to a comfortable angle for radiotherapy use, and the comfort level of the patient during use is improved.
Owner:PANYU CENTRAL HOSPITAL AFFILIATED TO GUANGZHOU MEDICAL UNIVERSITY (GUANGZHOU PANYU DISTRICT CENTRAL HOSPITAL GUANGZHOU PANYU DISTRICT PEOPLE S HOSPITAL)

Air conditioner control method, system and equipment and computer readable storage medium

The invention discloses an air conditioner control method, system and device and a computer readable storage medium, and the method comprises the steps that when it is detected that a user and a target terminal connected with an air conditioner exist in a target area, user information of the user is collected, and whether a user account corresponding to the user information is an authorized user account or not is detected; if the user account is an authorized user account, the user information and air conditioner information of the air conditioner are sent to the target terminal, and the target terminal displays a control operation page for controlling the air conditioner in a target display area of the target terminal according to the user information and the air conditioner information. A control operation instruction received by the control operation page is sent to the air conditioner; and receiving a control instruction sent by the target terminal, and executing a control operation corresponding to the control instruction. The convenience of controlling the air conditioner is improved.
Owner:MIDEA GROUP WUHAN REFRIGERATION EQUIPMENT CO LTD +1

Time period flow adjusting device of variable frequency water supply equipment

The utility model belongs to the technical field of water supply equipment, particularly relates to a time period flow adjusting device for variable-frequency water supply equipment, and aims to solve the problems that the flow adjusting mode of the conventional water supply equipment is single, accurate and real-time regulation and control are inconvenient, the device is complicated and easy to break down, the display of the adjusting state is not visual enough and the like. A water supply channel is formed in the connecting part, water inlet and outlet pipelines are fixedly installed on the two sides of the connecting part, and the two water inlet and outlet pipelines are communicated with the water supply channel and used for facilitating connection between the connecting part and an external water supply pipeline. According to the time period flow adjusting device of the variable-frequency water supply equipment, the rotating angle of the adjusting shaft can be accurately controlled through the servo motor, the water flow can be flexibly and accurately adjusted, and the differentiated water use requirements of different time periods are met; a water through hole is formed in the adjusting valve element, basic water flow supply is guaranteed, and water supply interruption is avoided; the device is compact in structure, reasonable in design, close in component matching and good in equipment stability and reliability.
Owner:杭州浩水科技有限公司

Shutter switching connecting piece

The utility model relates to a shutter switching connecting piece which comprises an installation frame, a first shaft rod and a second shaft rod are respectively installed in the installation frame in a rotating mode, blades are fixed on the first shaft rod and the second shaft rod, the two blades can be oppositely opened or oppositely closed in the installation frame, and when the blades are oppositely closed, the interior of the installation frame is blocked. A conversion linkage mechanism is arranged on one side of the mounting frame and used for driving the first shaft rod and the second shaft rod to rotate reversely at the same time so as to drive the two blades to be oppositely opened or oppositely closed in the mounting frame. The blades on the two sides can be controlled to be adjusted synchronously through the same control system, the cost investment is reduced, meanwhile, control and adjustment are more convenient and faster, in addition, meshing driving of the worm and the worm gear has a one-way transmission effect, the self-locking effect is achieved, it is guaranteed that the first connecting shaft cannot rotate at will when the worm is not adjusted, and the service life of the first connecting shaft is prolonged. And therefore, the two blades are prevented from rotating at will, and the state of the two blades can be maintained.
Owner:ZHUHAI BOMAN CONSTR TECH CO LTD

A live streaming interactive device

ActiveCN224289878UConvenient interactive operationeasy to move
This utility model relates to the field of live streaming equipment technology, specifically disclosing a live streaming interactive device, including: a first interactive mechanism and a second interactive mechanism assembled at the rear end of the first interactive mechanism; the first interactive mechanism includes an arc-shaped support platform, an arc-shaped worktable slidably mounted on the top of the arc-shaped support platform, a limit groove formed on the top of the arc-shaped worktable, and an operating rod fixedly mounted on the bottom of the arc-shaped worktable; the second interactive mechanism includes a movable frame slidably mounted on the bottom of the arc-shaped support platform, a slide bar frame fixedly mounted on the top of the movable frame, a mounting frame slidably mounted on the front end of the slide bar frame, and a live streaming display screen fixedly mounted on the front end of the mounting frame; this utility model can push the arc-shaped worktable to slide along an arc-shaped trajectory, facilitating the movement of effects equipment from a distance to the broadcaster, allowing the broadcaster to easily use the effects equipment for interactive operation, bringing greater convenience to live streaming interaction.
Owner:CHENGDU YISHI INNOVATION INFORMATION TECHNOLOGY CO LTD

Flexible tracking photovoltaic support based on damping device

The invention discloses a flexible tracking photovoltaic support which comprises a bottom frame, a triangular frame, a hydraulic cylinder and a damping device with a fixing structure, the triangular frame is in an isosceles triangle shape or an equilateral triangle shape, one end of the triangular frame is installed on the bottom frame in a hinged mode, and one end of the damping device with the fixing structure is matched with the bottom frame in a hinged mode. One end of each damping device is provided with a fixing structure, the other end of each damping device is matched with the corresponding triangular frame in a hinged mode, one end of each hydraulic cylinder is matched with the bottom frame in a hinged mode, the other end of each hydraulic cylinder is matched with the corresponding triangular frame in a hinged mode, and each triangular frame is provided with one damping device with a fixing structure and one hydraulic cylinder. Compared with the prior art, the photovoltaic support has the advantages that the photovoltaic support is adjusted and locked in a hydraulic electric control mode by combining the practical tripod and the damping device with the fixing mechanism, adjustment and control are convenient, and reliability is high.
Owner:HANGZHOU HUADING NEW ENERGY CO LTD

Device for detecting installation gap of air-tight door of airplane

ActiveCN224095140USolve the problem of being too high to extend out of the lower edge of the airtight doorThe adjustment process is stable and reliableMeasurement devicesClassical mechanicsMechanical engineering
The utility model discloses a device for detecting an installation gap of an air-tight door of an airplane. Comprising a support (7), a telescopic driving rod (6) is arranged on the support (7), a 90-degree deflection support (5) is arranged at the rod end of the telescopic driving rod (6), the 90-degree deflection support (5) is connected with a sensor installation seat (3) through an adjusting rod piece (4), and a push state sensor (2) and a pull state sensor (1) are installed on the front side and the rear side of the sensor installation seat (3) respectively. The device is simple in structure and easy and convenient to use.
Owner:SHAANXI AIRCRAFT CORPORATION

Method for preparing aluminum nitride by indirect nitridation of waste aluminum material

The invention discloses a method for preparing aluminum nitride by indirect nitridation of waste aluminum materials, which comprises the following steps: S1, chlorination: chlorinating the waste aluminum materials by using gas-phase AlCl3 to obtain gas-phase AlCl; s2, nitriding: nitriding the gas-phase AlCl obtained in the step S1 by using nitrogen to obtain gas-phase AlCl3 and amorphous aluminum nitride; returning the gas phase AlCl3 to the chlorination process in the step S1; and S3, crystallization: performing high-temperature crystallization on the amorphous aluminum nitride obtained in the step S2 to obtain an aluminum nitride product. The aluminum nitride powder is prepared by taking the waste aluminum material as an aluminum source, AlCl3 as a chlorinating agent and nitrogen as a nitrogen source through a chlorination-nitridation two-step method, and compared with an aluminum liquid nitrogen one-step direct nitridation method, the process is easy to adjust and control, the operability is high, and the obtained product is good in quality.
Owner:CHINALCO RES INST OF SCI & TECH CO LTD +1

A disassembling device for a dual-glass photovoltaic module

ActiveCN120662612BPulled away in timepull apart evenly
The application relates to a disassembling device for a double-glass photovoltaic module, which comprises a cutting mechanism for cutting the adhesive film between the panel glass and the cell piece of the fixed double-glass photovoltaic module, a pulling and separating mechanism comprising a motor, a rotating shaft, a connecting rod one, a connecting rod two, a rocker, a positioning piece and a suction cup, the rocker is fixed on the suction cup and one end of the rocker extends out of the suction cup and is rotationally connected with the positioning piece, one end of the connecting rod two is rotationally connected with the rocker, the other end of the connecting rod two is rotationally connected with one end of the connecting rod one, the other end of the connecting rod one is fixed on the rotating shaft, the motor is used for driving the rotating shaft to rotate, the positioning piece is used for limiting the rocker, and a power adjusting system is used for adjusting the output power of the motor in real time according to the angles of the connecting rod one and the rocker relative to initial positions. The problems that the panel glass or the cell piece is damaged due to excessive mechanical stress when the traditional disassembling method is used to disassemble the double-glass photovoltaic module are solved, and the recovery rate during disassembling and the integrity of resources are greatly improved.
Owner:HEFEI UNIV OF TECH

Pipeline bending device

The utility model discloses a pipeline bending device in the technical field of pipeline bending devices, which comprises a mounting seat, a rotating rod is rotatably arranged on the upper side of the mounting seat, a rotating plate is fixedly sleeved on the outer side of the rotating rod, a connecting rod is fixedly arranged on the upper side of the rotating plate, and a bending head is fixedly arranged at the upper end of the connecting rod. A fixing block is fixedly arranged on the upper side of the mounting base, a first electric push rod is arranged on the outer side of the fixing block, one end of the first electric push rod is connected to the fixing block, a rack is fixedly arranged at the other end of the first electric push rod and meshed with the gear, and a fixing mechanism is arranged on the upper side of the mounting groove. By means of the simple installation structure, a pipeline can be conveniently bent, meanwhile, the bending amplitude can be conveniently adjusted and controlled, therefore, the bending effect of the pipeline is effectively guaranteed, operation of workers is facilitated, the working efficiency is effectively improved, the working intensity is reduced, the practical effect is good, and the pipeline bending device is worthy of being popularized and used in the existing market.
Owner:SHANXI ZHONGRUN YIJIA ENG TECH SERVICE CO LTD

Device and method for preparing super-large opening type mesoporous silica material

The invention discloses a preparation device and method of a super-large opening type mesoporous silica material, and relates to the technical field of material synthesis. Comprising a tank body and a shell mechanism, the tank body comprises a bottom tank mechanism, a main tank mechanism, a top cover mechanism and a tank body carrying power mechanism, the bottom tank mechanism comprises a bottom tank, one side of the upper portion of the bottom tank is fixedly communicated with a feeding auger, the main tank mechanism comprises a main tank, one side of the lower portion of the main tank is fixedly communicated with a discharging auger, and the bottom of the bottom tank is folded inwards to be in an inverted circular truncated cone shape; one side of the middle part of the bottom tank is fixedly communicated with a drainage pipe, the free end of the drainage pipe is externally connected with a water pump, a pipe lifting mechanism is loaded in the tank body, and the pipe lifting mechanism comprises a draining plate fixedly connected between the bottom tank and the main tank. The quality of raw materials is improved.
Owner:SHANDONG SOLID NEW MATERIAL TECH CO LTD

Method for preparing aluminum nitride by indirect nitrogen nitridation of primary aluminum

The invention discloses a method for preparing aluminum nitride by indirect nitrogen nitridation of primary aluminum, which comprises the following steps of: chlorinating the primary aluminum at high temperature by adopting AlCl3, converting aluminum in the primary aluminum into gas-phase AlCl, reacting the gas-phase AlCl with nitrogen in a heat exchange fluidized bed filled with an aluminum nitride bed material to generate aluminum nitride and gas-phase AlCl3, and performing multi-stage condensation recovery, gasification and heat exchange circulation on the gas-phase AlCl3 for chlorinating the primary aluminum. According to the method, the aluminum nitride powder is prepared by taking the primary aluminum as the aluminum source, the AlCl3 as the chlorinating agent and the nitrogen as the nitrogen source through high-temperature chlorination-cooling nitridation, the gas-gas nitridation reaction is high in efficiency and sufficient in reaction, the process is easy to adjust and control, heat generated by the nitridation reaction can be effectively removed, the production cost is low, and the product is convenient to collect, high in purity and good in quality. Meanwhile, the system is high in material cyclic utilization rate and high in energy utilization rate, large-scale efficient preparation of aluminum nitride can be achieved, and good economic benefits and social benefits are achieved.
Owner:CHINALCO RES INST OF SCI & TECH CO LTD +1

Long carbon fiber nylon 66 composite material and preparation method thereof

The invention discloses a long carbon fiber nylon 66 composite material and a preparation method thereof. The long carbon fiber nylon 66 composite material comprises 40-55 wt% of carbon fiber, 40-55 wt% of nylon 66, 0.5-1 wt% of a main antioxidant, 0.5-1 wt% of an auxiliary antioxidant, 1-2 wt% of vinyl phenyl silane and 3-4 wt% of a maleic anhydride grafted toughening agent. By adding the vinyl phenyl silane and the maleic anhydride grafted toughening agent, the interface compounding effect of the nylon resin and the carbon fibers is greatly enhanced, and the mechanical property of the material is enhanced.
Owner:PETROCHINA CO LTD