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76results about How to "Improve the rotation effect" patented technology

Burr removing device for badminton racket processing

The invention discloses a burr removing device for badminton racket processing, and relates to the technical field of burr removing devices, and the burr removing device comprises a composite mechanism. According to the burr removing device for badminton racket processing, through the design of a composite mechanism, a racket is placed on the fixing mechanism, the outer side of the racket is clamped through the fixing mechanism, so that the effect of fixing an object is achieved, burr removing operation is facilitated, a racket rod is placed in the stabilizing mechanism, and the stabilizing mechanism fixes the racket rod; the polishing mechanism is controlled to ascend and descend through the electric push rod so that the racket can be attached conveniently, the edge removing quality can be improved, the motor drives the center rotating shaft to rotate so as to drive the polishing mechanism to rotate, and therefore the effect of polishing the inner ring of the racket is achieved. And the metal chippings fall into the collecting box from the central groove, so that the effect of collecting the chippings is achieved, impurities are convenient to clean, and the deburring effect is prevented from being influenced.
Owner:YANGZHOU ZONGHENG SPORTS EQUIP TECH CO LTD

Vector propulsion system of low-altitude airship

The invention provides an innovative vector propulsion system of a low-altitude airship, aims to provide accurate attitude adjustment and path planning capabilities for the low-altitude airship in a complex space environment, and consists of a plurality of key components, comprising an executing mechanism, a power driving module, a vector rotating mechanism, a propeller connecting mechanism, a detecting module and a propeller control system. The core characteristic of the airship is that adjusted vector thrust can be applied to any direction in a three-dimensional space so as to respond to real-time attitude adjustment and control requirements, so that accurate vertical rising, lateral flying and rotating operation of the airship in a limited space are realized; due to the unique design, the influence of the thrust direction change on the gravity center of the airship is reduced to the maximum extent, and therefore it is ensured that the low-altitude airship keeps the stable posture, and meanwhile fine control is achieved; the system is further integrated with a set of independent control system so as to guarantee accurate output of thrust angles, meanwhile, the overall structure is light and handy, the system particularly meets the requirements of low-altitude small airships, and the maneuverability and adaptability of the system in a narrow space are enhanced.
Owner:BEIHANG UNIV

Sand blocking and discharging device for water conservancy project

The invention provides a water conservancy project sand blocking and discharging device, and mainly relates to the field of water conservancy project drainage equipment. A water conservancy project sand blocking and discharging device comprises a desilting basin, a water inlet channel, a drainage channel, a flow dividing sand blocking assembly, a sand discharging assembly and a trash blocking grating assembly, the water inlet channel is fixedly installed on one side of the desilting basin, the drainage channel is fixedly installed on the side, close to the water inlet channel, of the front face of the desilting basin, and the flow dividing sand blocking assembly is arranged in the desilting basin; the lower portion of the drainage channel is provided with a desilting assembly communicated with the interior of the desilting basin, and the water inlet channel is internally provided with a trash holding grating assembly. The device disclosed by the invention has the beneficial effects that when the device is used for shunting silt in river water, the river water is introduced into the sedimentation tank through the water inlet channel, so that the river water generates vortex in the sedimentation tank to be beneficial to gathering heavier gravels to the center, and the sediment in the river water is accelerated.
Owner:SHANDONG PROVINCE WATER CONSERVANCY BUREAU CO LTD

Efficient sewage treatment device based on magnetic separation technology

The invention discloses an efficient sewage treatment device based on a magnetic separation technology, and relates to the technical field of sewage treatment, and the efficient sewage treatment device comprises a composite mechanism. According to the efficient sewage treatment device based on the magnetic separation technology, through the design of a composite mechanism, sewage enters the composite shell from a feeding pipe, impurities in the sewage are adsorbed through a filter plate, so that the effect of purifying the sewage is achieved, the contact area is increased by forming a plate surface groove and opening the groove, the filter effect is improved, and the service life of parts is prolonged; a first electric push rod controls an annular plate to rub a filter plate up and down in the composite shell, so that the effect of cleaning impurities on the surface is achieved, impurity precipitation is reduced, the rubbed impurities are precipitated towards an output mechanism, subsequent discharge from the output mechanism is facilitated, filtered sewage is discharged from a discharge pipe, and subsequent operation is facilitated.
Owner:TIANJIN KECHANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Finger clamping type seed sowing device

The invention relates to the technical field of agricultural machinery, and particularly discloses a finger clamp type seed sowing device which comprises a shell, an outer cover, a transmission shaft and a driven chain wheel, and further comprises a plurality of seed clamping and sowing combination bodies arranged in the circumferential direction of the transmission shaft, each seed clamping and sowing combination body comprises a low clamp, a finger clamp and a torsional spring, the low clamp comprises a hollow pipe, and the finger clamp is arranged in the hollow pipe; the axial direction of the hollow pipe is the same as the radial direction of the transmission shaft, one end of the hollow pipe is fixedly provided with a low clamping piece, and the other end of the hollow pipe is fixedly provided with a low clamping seed-metering shifting fork and a low clamping seed-filling shifting fork; the finger clamp comprises a connecting rod, the connecting rod penetrates through the hollow pipe, the finger clamp is fixedly arranged at one end of the connecting rod, and a finger clamp shifting fork is fixedly arranged at the other end of the connecting rod; according to the finger clamping type seed-metering device, the finger clamping piece and the low clamping piece are used for clamping seeds, a double-clamping-piece clamping mode is adopted, and compared with an existing single-finger pressing and pushing type finger clamping type seed-metering device, the clamping force between the seeds and the finger clamping piece and the clamping force between the seeds and the low clamping piece are moderate, and the seeds are not prone to being damaged.
Owner:HEBEI QILIN TECHNOLOGY CO LTD

Environment-friendly construction dust suppression device and method

The invention discloses an environment-friendly construction dust suppression device and method, and relates to the technical field of environment-friendly construction. According to the environment-friendly construction dust suppression device, through the design of a composite mechanism, a suction fan is inserted into the outer side of an external connection disc, so that disassembly and assembly are facilitated, follow-up replacement and maintenance are facilitated, the suction fan is started, wind enters from the side, close to a flowing pipe, of the inner wall of a composite shell and flows towards the side of the suction fan, and therefore dust and smell on a site are absorbed; the situation that the site environment is too severe, personnel safety is affected, potential safety hazards are reduced, the flowing pipe is of a structure with the two wide ends and the middle narrow and small, according to the Bernoulli principle, the diameter of the pipeline is reduced, the flowing speed of gas is increased, and therefore the operation effect is improved, and the cleaning efficiency of the construction site is improved; dust and air flow enter the composite shell, harmful gas of the air flow is filtered and purified through the filtering mechanism, and therefore normal operation of equipment is kept.
Owner:GUOKONG BAIBO CO LTD

Valve element suspension welding positioning equipment of EGR valve

The invention discloses valve element suspension welding positioning equipment for an EGR (Exhaust Gas Recirculation) valve, and relates to the technical field of welding. According to the valve element suspension welding positioning equipment of the EGR valve, through the design of a composite mechanism, a valve element is placed on the inner side of the clamping mechanism, so that the clamping mechanism plays a role in clamping and fixing the valve element, deviation in the welding process is prevented, and the phenomena that welding points are misplaced in the welding process, the welding points are not attractive, and the welding effect is poor are avoided; the clamping range can be adjusted through the clamping mechanism, so that the application range of components is expanded, the applicability of equipment is improved, after the clamping mechanism is fixed, an electric push rod controls a butt joint mechanism to descend, the butt joint mechanism is in butt joint with the clamping mechanism to press the top of a valve element, and therefore the stability during welding is ensured; and the clamping mechanism is driven to rotate, so that uniform-speed welding is kept in the welding process, the welding quality is improved, and the welding speed and efficiency are improved.
Owner:WENZHOU WENNA AUTO PARTS CO LTD

Power cable stripping device

The invention relates to the technical field of cable installation, and discloses a power cable stripping device which comprises a working shell, a first supporting frame fixedly connected to the inner wall of one end of the working shell, a second supporting frame fixedly connected to the inner wall of the end, close to the first supporting frame, of the working shell, and a cable stripping mechanism. The cable stripping mechanism comprises a motor fixedly connected to one side of the outer wall of the cable stripping mechanism, the motor is started, the motor drives a rotating shaft to rotate, the rotating shaft drives a first rotating sleeve to rotate, the first rotating sleeve drives a first gear to rotate, the first gear drives a second gear to rotate, and the second gear drives a second rotating sleeve to rotate. The first rotating sleeve and the second rotating sleeve both drive the special-shaped pressing roller to rotate, the special-shaped pressing roller clamps and pushes the cable, the first rotating sleeve and the second rotating sleeve both drive the belt to rotate, the belt drives the rotating roller to rotate, the rotating roller drives the cutting knife to rotate, and therefore the cutting knife cuts the cable.
Owner:SHANDONG ELECTRIC POWER CONSTR NO 2

Falling film evaporation equipment

The invention discloses falling film evaporation equipment, and relates to the technical field of falling film evaporation, and the falling film evaporation equipment comprises a rotating mechanism. According to the falling film evaporation equipment, through the design of the rotating mechanism, after liquid enters from the feeding port, the liquid washes the blades, the stress area of the blades to the liquid is increased, so that the effect of enlarging the rotating effect is achieved, the blades drive the rotating shaft to rotate, and the square plate is driven to rotate in the rotating process of the rotating shaft; the liquid flowing range is increased by stirring the liquid, so that the liquid flowing uniformity is improved, then the square notches are formed, the resistance borne by the square plates during rotation in the fluid is reduced through the open grooves, the energy consumption is reduced, and the uniform mixing of the materials is promoted; the stirring efficiency and quality are improved, the space with liquid is increased, and liquid attachment residues are reduced.
Owner:ZHENGZHOU KEDA MASCH & INSTR EQUIP CO LTD

Iridium radioactive source shell welding method and welding system

InactiveCN119609370Areduce speedImprove laser power densityLaser beam welding apparatusIridiumLaser power density
The invention relates to an iridium radioactive source shell welding method and system, and belongs to the technical field of welding. The iridium radioactive source shell welding method comprises the following steps that a shell is rotated, and the shell and an end cover are preheated through laser; inputting actual thickness size information of the shell and actual thickness size information of the end cover; the laser adjusts the preset laser power density and defocusing amount according to the actual thickness size information and the standard thickness size information of the shell and the end cover; the automatic rotating mechanism adjusts a preset rotating speed according to the actual thickness size information of the shell and the actual thickness size information of the end cover; the assembled shell and end cover are installed on an automatic rotating mechanism; and the shell and the end cover are welded according to the preset laser power density and defocusing amount, and the automatic rotating mechanism drives the shell and the end cover to rotate according to the preset rotating speed until welding is completed. According to the iridium radioactive source shell welding method provided by the embodiment of the invention, the thickness size of each part of the manufactured iridium radioactive source shell is uniform.
Owner:CHENGDU GAOTONG ISOTOPE CO LTD

Mixing and stirring device for fertilizer processing

The utility model discloses a mixing and stirring device for fertilizer processing, and relates to the technical field of fertilizer processing, the mixing and stirring device comprises a barrel body, one end of the barrel body is provided with a discharge port, the outer surface of the barrel body is rotatably provided with a maintenance door, the upper end of the barrel body is provided with a first motor, one end of the first motor is provided with a protection plate, and the other end of the first motor is provided with a second motor. The protective plate can well protect and support the first motor, a reinforcing shaft is fixedly arranged at the output end of the first motor, a rotating shaft is fixedly arranged at the lower end of the reinforcing shaft, a plurality of fixing blocks are fixedly arranged on the outer surface of the rotating shaft, and a rotating column is rotationally arranged at one end of the opposite face of every two adjacent fixing blocks. According to the mixing and stirring device for fertilizer processing, the stirring structure can swing up and down, the stirring and mixing effect on fertilizer raw materials is good, intermittent feeding of the two raw materials can be carried out, and therefore feeding work can be carried out more evenly, and the mixing efficiency is high.
Owner:YUNNAN ZIYING ECONOMIC & TRADE CO LTD

Along-track non-bias cable laying device and use method thereof

The invention relates to a non-bias cable laying device along a track and a use method thereof, the device comprises a fixing plate, a lifting adjusting mechanism, rollers, a support, an electric transfer mechanism and a plurality of wire guiding mechanisms, the fixing plate is installed on the track, the lifting adjusting mechanism and the support are installed on the fixing plate, the electric transfer mechanism is installed on the support, and the wire guiding mechanisms are installed on the roller. The output end of the lifting adjusting mechanism is provided with a roller, and the wire guiding mechanism is installed on the fixing plate and located at the two ends of the electric transferring mechanism. The using method comprises the following steps that firstly, the width size of the track is measured, and the corresponding fixing plate is customized; secondly, the fixing plates are installed on the corresponding rails; thirdly, after the cable penetrates through a cable guiding mechanism, an electric transferring mechanism and a lifting adjusting mechanism are adjusted to make contact with the cable; and 4, starting the electric transfer mechanism to lay the cable. Therefore, according to the design, the cable can stably move forwards along the track and does not deviate from the track in the cable laying process.
Owner:WUHAN MARINE MACHINERY PLANT

Air bearing assembly

An air bearing assembly comprises a main shaft, the periphery of the main shaft is sleeved with a thrust plate and a shaft sleeve, a thrust piece is arranged between the thrust plate and a bearing shell, the bearing shell is arranged on the periphery of the shaft sleeve, a bearing seat is arranged on the periphery of the bearing shell, and a first air channel for providing radial loads is arranged between the shaft sleeve and the main shaft. A second air channel for providing axial load is arranged between the thrust plate and the side face of the bearing shell, and a displacement sensor for sensing the position of the thrust plate is arranged on the side face of the bearing shell. According to the air bearing assembly, the gap between the thrust plate and the thrust piece is detected through the displacement sensor, so that the air pressure of the first air channel and the air pressure of the second air channel are adjusted, and the high-speed and stable rotating performance of the air bearing assembly is improved.
Owner:ZHEJIANG EULER POWER TECH CO LTD

Deformation monitoring surveying and mapping device capable of automatically alarming

The utility model discloses a deformation monitoring surveying and mapping device capable of automatically alarming, which comprises a detector and a detection plate, a levelness adjusting structure and a protective structure are mounted on the detection plate, and the detector is mounted on the protective structure on the detection plate; the utility model relates to the technical field of monitoring surveying and mapping, the design of the protective ball arc sleeving block can fully utilize the kinetic energy of falling particles, and the kinetic energy is converted into the elastic deformation of the spring through the rotational motion of the protective ball arc sleeving block, so that the kinetic energy is effectively consumed and buffered, and possible impact and damage are prevented; the rotary arc shaft and the sleeved arc spring are combined for use, so that additional rotary buffering is provided, and the stability and the reliability of the whole buffering system are enhanced; and repulsion buffering circular ring magnets are introduced, the rotation effect of the protection ball arc sleeving block is further enhanced through mutual repulsion force, and the kinetic energy conversion efficiency is improved.
Owner:LIAONING CHEM GEOLOGICAL EXPLORATION INST CO LTD

Hinge device for hinging doors and windows

The utility model discloses a hinge device for hinging doors and windows, which relates to the technical field of hinges and comprises a first hinge and a second hinge, two first shaft sleeves are fixedly mounted on one side, close to the second hinge, of the first hinge, and two second shaft sleeves are fixedly mounted on the other side of the first hinge. A second shaft sleeve is fixedly connected to the side, close to the first hinges, of the second hinge, a shaft core is slidably connected into the second shaft sleeve and the two first shaft sleeves, a circular plate is fixedly mounted at one end of the shaft core, and a threaded rod is in threaded connection with the interior of the circular plate, so that a moving column and an extrusion block move to extrude the two convex blocks; and the two tension springs are stretched, so that the two convex blocks protrude out of the shaft core, the second hinge body and the first hinge body are conveniently connected, the second hinge body and the first hinge body are conveniently assembled, the assembling convenience of the second hinge body and the first hinge body is improved, and the assembling time is shortened.
Owner:QINGDAO AIDES DOORS WINDOWS & CURTAIN WALL PROFILES CO LTD

Geodetic survey device with thermal imaging

The invention relates to the technical field of geodetic measuring instruments, in particular to a geodetic measuring device with thermal imaging, which comprises a rotating mechanism, and a supporting mechanism is rotatably arranged on the rotating mechanism in a matched manner; a driving mechanism is arranged on the rotating mechanism; the driving mechanism is connected with the mounting mechanism in a matched mode. Two mounting plates are symmetrically fixed on the mounting mechanism; a fixing mechanism is connected to the mounting plate in a matched mode. A main body mechanism is fixed on the mounting mechanism in a matched manner; the supporting height of the supporting mechanism can be adjusted by rotating the supporting mechanism with hands, so that the placement height of the main body mechanism can be adjusted conveniently; the rotating driving mechanism drives the mounting mechanism to rotate when rotating in the rotating mechanism, so that the measurement direction of the main body mechanism can be adjusted conveniently; and when the fixing mechanism is pulled and rotated, the fixing mechanism can slide into the mounting plate from the interior of the mounting mechanism, so that an operator can mount and dismount the main body mechanism conveniently.
Owner:济宁市土地储备和规划事务中心(济宁市自然资源资产服务中心)

Multifunctional integrated high-voltage control cabinet

The invention belongs to the technical field of power control, and discloses a multifunctional integrated high-voltage control cabinet, which comprises a cabinet body and a square shell, and is characterized in that a sealing shell is arranged in an inner cavity of the square shell; the extrusion mechanism is arranged on one side of the square shell; and the moisture removal mechanism comprises a mounting plate, the bottom end of the interior of the mounting plate is fixedly connected to the interior of the square shell, and two first rotating rods are rotationally connected to the interior of the top end of the square shell. A first worm gear can drive a first rotating rod to move in a mounting plate, the first rotating rod can drive a moisture removal fan to rotate, when the moisture removal fan rotates, suction force can be generated, then moisture in a cabinet body can be sucked, then the moisture can be discharged from the interior of a supporting ring, and finally flowing rainwater pushes an impeller and a second worm to rotate, so that the moisture removal effect is achieved. And then the moisture removal fan is used for extracting moisture in the cabinet body, so that electric appliance elements can be protected from corrosion and damage, and the reliability and stability of equipment are improved.
Owner:JIANGXI XINERLI POWER TECH CO LTD

Miniature ball bearings for cooling fans

ActiveCN224621962Uavoid displacementAdaptation accuracy
This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.
Owner:C&U CO LTD +1

Paraffin removal tool

The utility model belongs to the technical field of petroleum drilling and production equipment, and particularly relates to a paraffin removal tool. The paraffin removal tool comprises a center rod and a paraffin scraping piece arranged outside the center rod in a sleeving mode, the paraffin scraping piece comprises a dewaxing section, a first scraping section and a second scraping section, the first scraping section and the second scraping section are connected to the two opposite ends of the dewaxing section, and a dewaxing structure is arranged on the dewaxing section and comprises a dewaxing groove. The de-waxing structure further comprises an S-shaped opening which is formed in the de-waxing section relative to the de-waxing groove, longitudinally penetrates through the de-waxing groove and is used for generating torque. When paraffin in the paraffin scraping sheet is extruded and discharged through an S-shaped opening which is formed in the paraffin discharging section and extends in the axial direction of the center rod, the S-shaped opening can enable the paraffin entering an inner channel of the paraffin scraping sheet to be discharged in different directions in the extending direction of the S-shaped opening, so that torque enabling the paraffin scraping sheet to rotate is generated, and the paraffin scraping sheet moves up and down in a matched mode; the rotating capacity of the paraffin scraping blade is enhanced, the resistance for discharging paraffin is reduced, paraffin accumulation is effectively avoided, and the paraffin scraping effect is further improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Double-end overlock device for mattress processing

The utility model relates to the technical field of mattress processing, in particular to a double-end overlock device for mattress processing, which comprises an overlock machine body, a support frame is fixedly mounted on the overlock machine body, an abutting mechanism and a vertical rod are mounted on the support frame, a winding mechanism is rotatably arranged on the vertical rod and comprises a turntable and a ball, and the ball is rotatably arranged on the vertical rod. A motor is fixedly installed on the vertical rod, the output end of the motor is fixedly connected with a rotating shaft through a coupler, a clamping rod is fixedly connected to the rotating shaft, a clamping groove is formed in the clamping rod, the rotating disc is installed on the clamping rod in a clamped mode, a screw is fixedly connected to the clamping rod, a fixing block is in threaded connection with the screw, and a moving mechanism is fixed to the bottom end of the vertical rod. And when the fixed block is rotated to be separated from the screw rod on the clamping rod, the rotating disc can be detached from the clamping rod, and then the wound rotating disc can be conveniently detached.
Owner:FOSHAN KANGLAISI FURNITURE CO LTD

Rotor assembly and motor having the same

The present invention discloses a rotor assembly and a motor having the same. The rotor assembly includes a rotor core, a permanent magnet, a rotating shaft, a transmission member and a second end vibration damping member. The rotor core has a magnet slot and a rotating shaft hole. The permanent magnet is arranged in the magnet slot. The rotating shaft is arranged in the rotating shaft hole and there is a gap between the rotating shaft and the rotor core. The first end and the second end of the rotating shaft extend out of the rotating shaft hole. The first end vibration damping member is arranged on the first end face of the rotor core and connected to the rotor core. The transmission member is arranged in the first end vibration damping member and the transmission member cooperates with the rotating shaft. The second end vibration damping member is arranged on the second end face of the rotor core and connected to the rotor core. The second end vibration damping member directly cooperates with the rotating shaft. The rotor core drives the rotating shaft through the second end vibration damping member and sequentially through the first end vibration damping member and the transmission member. The rotor assembly of the present invention increases the material amount of the vibration damping member, has good noise reduction and vibration reduction effects, and has high reliability.
Owner:GUANGDONG WELLING ELECTRIC MACHINE MFG

Stress conversion node structure of steel structure corridor system

The utility model relates to the technical field of steel structures, in particular to a stress conversion node structure of a steel structure corridor system, which comprises a stand column, a steel beam connected with the stand column is arranged outside the stand column, and a connecting frame connected with the stand column is arranged outside the stand column. The steel beam is installed in the stand column through the connecting frame and can move in a small range, the connecting frame is a rib plate, the rib plate is installed at the top end of the stand column, and the steel beam is installed on the rib plate. Compared with the prior art, the stress conversion node structure of the steel structure corridor system has the advantages that the rotating capacity of the node is improved, free deformation of the corridor is ensured, the overall connecting strength is further improved, and the safety of the stress conversion node structure is ensured.
Owner:ZHEJIANG SOUTHEAST SPACE FRAME CO LTD

Automatic defrosting gas-liquid separator for refrigerating system

The invention relates to the related technical field of refrigerating systems, and particularly discloses an automatic defrosting gas-liquid separator for a refrigerating system, which comprises a separator shell of a barrel-shaped structure, an upper cover body and a lower cover body are fixedly mounted on the upper side and the lower side of the separator shell respectively, and a liquid inlet pipe communicated with the separator shell is fixedly mounted on the side surface of the separator shell; and a liquid outlet pipe is fixedly installed below the lower cover body, and an exhaust pipe communicating with the interior of the separator shell is fixedly installed on the upper surface of the upper cover body. According to the automatic defrosting gas-liquid separator for the refrigerating system, when liquid enters through a liquid inlet pipe, an upper blade is pushed, the upper blade is used for driving a first baffle to rotate, the first baffle drives a center rotating shaft to rotate, and at the moment, the center rotating shaft drives a reciprocating lead screw to rotate under the action of a synchronous belt; the reciprocating screw rod drives a movable ring which is installed outside the reciprocating screw rod in a penetrating and threaded mode to move up and down in the rotating process, and frost on the outer surface of the separation shell is removed through a defrosting brush on the inner side surface of the movable ring.
Owner:JIANGSU AOQUN AUTOMATION EQUIP CO LTD

Layout structure of combustion chamber of gas turbine

The invention relates to the technical field of gas turbine combustion chambers, in particular to a gas turbine combustion chamber layout structure which comprises a gas inlet section, a combustion section is arranged on the gas inlet section, five sets of combustors are arranged in the gas inlet section, and each combustor comprises an outer shell, a middle shell and an inner shell which are sequentially arranged in a sleeving mode and coaxially arranged. A head cyclone is arranged at the air outlet end of the middle shell; a first guide vane; a second guide vane; a rotational flow assembly; and an assembling mechanism. Mixing of different components between air and fuel gas flow can be promoted, the reaction efficiency is improved, the uniformity of gas is improved, dead zones in the gas flow are effectively reduced, the gas flow is more uniform in the whole system, local accumulation or retention is avoided, the inlet direction of fluid can be optimized, the rotation effect of the fluid can be enhanced, and the service life of the fluid is prolonged. And rotational flow fluid is guided to be smoothly discharged, a certain flow speed is maintained, various combustion organizations such as diffusion, diffusion and premixing, premixing and the like are achieved, and therefore air organization and fuel distribution of each combustor are controllable.
Owner:HUADIAN GAS TURBINE TECHNOLOGY (SHANGHAI) CO LTD

SNCR (selective non-catalytic reduction) device and method

The invention provides an SNCR device and method, and belongs to the technical field of waste gas treatment.The SNCR device comprises an ammonia gas detector, a nitrogen oxide concentration analyzer and an ammonia water vaporizer, the ammonia water vaporizer comprises a straight pipe section, a top inlet is formed in the top of the straight pipe section, the top inlet is connected with an ammonia water liquid inlet device, and a middle inlet is formed in the middle of the straight pipe section; the middle inlet is connected with a steam inlet device, the bottom of the straight pipe section is provided with a necking section, the bottom of the necking section is provided with a throat part, the bottom of the throat part is provided with a flaring section, the bottom of the flaring section is provided with a bottom outlet, and the bottom outlet is connected with a steam outlet device; according to the invention, the concentration of nitrogen oxide and the concentration of ammonia escape can be adjusted in real time, steam and ammonia water are fully atomized and gasified, and then are rotationally sprayed into flue gas, so that the denitration efficiency is greatly improved, the denitration ammonia consumption and the ammonia escape are reduced, and the denitration reaction temperature interval can be reduced to 750-1100 DEG C.
Owner:HANGZHOU AMMONIA TECHNOLOGY CO LTD

Dual-synchronous axis lever card-type folding screen mobile phone

A dual-synchronous axis lever card type folding screen mobile phone and tablet computer belongs to the field of mechanical technology. The main components include: a mobile phone cavity or the front part of the cavity, an end plate, and a lever card. The connection relationship is: the (non-rotating) synchronous gear rigidly connected to the two ends of the mobile phone cavity or the front part of the cavity is hinged to the hinge shafts of the two end plates, so that the synchronous gear meshes with the transmission gear fixed to the rotating shaft and the end plate, or the synchronous gear directly meshes to achieve the purpose of synchronous reverse rotation; the fixed lining plate is used to support the mobile phone screen, and the hinge shaft suspension lining plate of the mobile phone screen adjacent to the screen folding area is connected to the mobile phone structure by a hinge shaft parallel to the screen; the lever shaft of the lever card is hinged to the hinge shaft of the end plate, and the lever column at the front end of the lever card is inserted into the shifting groove of the shell and screen support strip; the protrusion of the shell and screen support strip is inserted into the guide groove of the end plate to limit its lateral displacement; the dual-synchronous axis lever card structure is suitable for inward folding folding screen mobile phones and tablets.
Owner:罗天珍

Ground terrazzo paving device

The invention discloses a ground terrazzo paving device, and relates to the technical field of terrazzo paving, the ground terrazzo paving device comprises a moving mechanism, a stirring mechanism and a polishing mechanism, the moving mechanism comprises a bottom supporting plate, the stirring mechanism comprises a stirring tank, the stirring tank is arranged at the top of the bottom supporting plate, the bottom of the stirring tank is fixedly connected with a discharge port, and the bottom of the stirring tank is fixedly connected with the polishing mechanism. And the bottom of the discharge port is connected with a telescopic pipe. After terrazzo and cement materials are put into the stirring tank to be stirred, the terrazzo and the cement materials are discharged by opening a valve on a discharging opening, the discharged materials are output through a telescopic pipe, in the output process, a first motor drives a first lead screw to rotate so as to drive a connecting plate to move transversely, and a second motor drives a second lead screw to rotate; and then the position of the connecting plate is driven to achieve longitudinal movement, so that the end part of the telescopic pipe is conveniently driven to achieve the effect of multi-directional movement adjustment, the effect of uniform laying is achieved, the laying range is guaranteed, and manual operation is not needed.
Owner:SHANDONG KAIWEI NEW BUILDING MATERIALS CO LTD

A condenser assembly positioning device

This utility model discloses a condenser assembly positioning device, belonging to the field of condenser manufacturing technology. It includes a positioning frame for supporting condenser assembly components. A second movable stage is slidably installed inside the positioning frame, and a rotating column is rotatably installed inside the second movable stage. A driven gear plate is installed on the outer periphery of the rotating column. An arc-shaped limiting groove is provided on the surface of the second movable stage. Four limiting posts for limiting are welded to the bottom of the rotating column, and the ends of the four limiting posts are slidably disposed inside the arc-shaped limiting groove. A support frame and an arc-shaped protective plate are welded to the top of the second movable stage. A motor is installed on the side of the support frame, and the output shaft of the motor is connected to a driving gear plate via a coupling. The outer periphery of the driving gear plate meshes with the outer periphery of the driven gear plate. This device can improve rotational capacity and positioning accuracy, and the increased rotational capacity can improve the continuity of the production line and increase production capacity.
Owner:HENAN TIANJIE COLD CHAIN EQUIP TECH CO LTD

Safety warning device for chemical plant

The safety warning device for the chemical plant comprises a first connecting rod, the middle of one end of the first connecting rod is rotationally connected with a first rotating device, and the outer wall of the end, away from the first connecting rod, of the first rotating device is provided with a second rotating device; the middle of the bottom of the second rotating device is rotationally connected with a rotating arm, and a warning plate is arranged in the middle of the bottom of the rotating arm. The safety warning device has the remarkable characteristics of high adjustability, multi-angle warning effect, high safety performance and the like.
Owner:戴云杰

False twist elasticizing mechanism of elasticizer

The utility model relates to the field of elasticizers, in particular to a false twist elasticizing mechanism of an elasticizer, which comprises a bottom plate, a first roller, a second roller and a mounting rack, the first roller is fixedly mounted on one side of the upper end of the bottom plate and is locked, the mounting rack is arranged on one side of the second roller, a first moving block is arranged in the mounting rack, and a second moving block is arranged in the mounting rack. And a second moving block is arranged in the bottom plate, a rotating shaft is rotationally installed between the first moving block and the second moving block, and a second rolling wheel is fixedly installed on the surface of the rotating shaft. The device utilizes the cooperation of the first spring and the second spring to realize the extrusion of one side of the second roller by the first roller, realizes the effect of stabilizing the false twisting of the wire harness, and solves the problems that the false twisting device of the conventional elasticizer lacks a stable abutting effect, so that the rollers are easy to slip during false twisting, the wire harness cannot be twisted normally, and the twisting quality of the wire harness is influenced. And the overall false twisting effect is influenced.
Owner:DONGGUAN GUANYAO POLYESTER FIBER TECH CO LTD