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30results about How to "To achieve a limiting effect" patented technology

Accurate butting and rapid locking joint for pipelines

The invention provides an accurate butting and rapid locking joint for pipelines. The accurate butting and rapid locking joint for the pipelines comprises a stepped flange, a sealing gasket and more than one buckle-type locking assembly, wherein a bulged cylindrical pin is arranged on the end surface of a large-diameter end of the stepped flange, the sealing gasket is installed on the cylindricalpin in a sleeved manner, and makes contact with the end surface of the large-diameter end of the stepped flange, and a small-diameter end of the stepped flange is used for being fixedly connected withone pipeline; and the more than one buckle-type locking assembly is uniformly fixed to a platform in the outer circumference of the large-diameter end of the stepped flange, the end surface of the large-diameter end of the stepped flange makes relative contact with the end surface of the outer side of the butted pipeline flange, the cylindrical pin forms clearance fit with an unthreaded hole of the butted pipeline flange to realize butting, and meanwhile, locking is realized through the matching of the buckle-type locking assembly and the end surface of the inner side of the butted pipeline flange. The accurate butting and rapid locking joint for the pipelines is capable of realizing accurate butting and rapid locking between pipelines, saving the labor, and increasing the efficiency.
Owner:BEIJING AEROSPACE MEASUREMENT & CONTROL TECH

Fastening device for assisting in tightening three-jaw chuck on lathe

The invention discloses a fastening device for assisting in tightening a three-jaw chuck on a lathe. The fastening device comprises a right-angle hanging plate with a bolt hole, wherein an air cylinder is embedded in the horizontal end surface of the right-angle hanging plate; the lower end of the air cylinder is in power connection with a lifting rod; an arc-shaped track is arranged at the lowerend of the lifting rod; and a swinging assembly is arranged in the arc-shaped track. According to the fastening device disclosed by the invention, a plurality of groups of limiting rods which are clamped on double surfaces and are arrayed along the three-jaw chuck in an annular manner are utilized, and the limiting rods can be movably separated from abutting against an extension rod of the three-jaw chuck, so that synchronous rotation or disconnection transmission of the three-jaw chuck is controlled; the position change of oil liquid difference in a sealed pipeline is changed, so that the limiting capacity of rotation of a double-surface clamping structure part is realized, and the ordered working steps of the clamping structure part clamping-sliding out-releasing-sliding back along a circular rail are realized; and the whole process can be controlled by a program, and manual intervention is not needed, so that the problem that a workpiece is not completely fixed due to insufficient force is avoided, and the probability that workers are accidentally injured by a cutter is reduced.
Owner:江苏鑫品工业装备有限公司

Light emitting diode epitaxial wafer and preparation method thereof

ActiveCN107887485AConsolidation and effectPromote radiative recombination luminescenceSemiconductor devicesIndiumElectron blocking layer
The invention discloses a light emitting diode epitaxial wafer and a preparation method thereof, which belong to the technical field of semiconductors. The epitaxial wafer comprises a substrate, a buffer layer, an un-doped GaN layer, an N-type GaN layer, multiple quantum well layers, an electron barrier layer and a P-type GaN layer, wherein the multiple quantum well layers comprise multiple firstsub layers; each first sub layer comprises a quantum well layer and a quantum barrier layer; the quantum barrier layer which is the closest to the electron barrier layer comprises multiple second sublayers and a third sub layer; each second sub layer comprises a fourth sub layer, a fifth sub layer and a sixth sub layer; each fourth sub layer is an AlGaN layer; each fifth sub layer is a GaN layerwith Mg and In doped at the same time; the In doping position in each fifth sub layer is close to the sixth sub layer; each sixth sub layer is a GaN layer; the third sub layer is a GaN layer with Mg and In doped at the same time; and the Mg and In doping concentrations in the third sub layer are higher than those in each fifth sub layer. Hole injection can be increased, and the light emitting efficiency of the LED is improved.
Owner:HC SEMITEK ZHEJIANG CO LTD

LED spherical lamp

An LED spherical lamp includes a base, a power supply unit, a substrate and a cover. The power supply unit is installed inside the base, and the substrate has plural LED light emitting elements and is coupled to a side of the base, and the cover is fixed to the base for covering the substrate. The LED spherical lamp includes an electrical connector installed to the substrate and having a plurality of electrical terminals for electrically connecting the substrate to the power supply unit, and an engaging slot is concavely formed on a side of the electrical connector, such that the power supply unit drives the LED light emitting elements to achieve the lighting effect. The LED spherical lamp has the effects of simplifying the assembling and manufacturing procedure, assuring the electrical conduction of components, and facilitating the maintenance, repair, and replacement of the components.
Owner:EPISTAR CORP

Suspending imaging hafnium oxide substrate nitride syntony photon device and preparation method thereof

The invention discloses a suspending imaging hafnium oxide substrate nitride syntony photon device and a preparation method thereof, and a silicon substrate wafer is taken as a carrier. The photon device is characterized by comprising a hafnium oxide substrate layer and a nitride thin layer which are positioned on a silicon wafer from bottom to top, wherein the silicon substrate layer is provided with a concave cavity structure; the parts positioned on the upper part of the cavity, of a top layer nitride device layer and the hafnium oxide substrate layer are of the same nanometer photon device structure; and the invention also discloses the preparation method of the suspending imaging hafnium oxide substrate nitride syntony photon operating range. The suspending imaging hafnium oxide substrate nitride syntony photon device and the preparation method thereof provided by the invention can solve a sculpture damage problem in a preparation process of a nitride nanometer structure, thereby directly obtaining a high-grade suspending nitride syntony photon device in a grown manner.
Owner:NANJING UNIV OF POSTS & TELECOMM

High-strain detection super-large hammer self-beating device and application method

The invention relates to the technical field of engineering technology detection, in particular to a high-strain detection super-large hammer self-beating device and an application method. The high-strain detection super-large hammer self-beating device comprises a hammer frame, and is characterized in that the hammer frame is provided with a hydraulic lifting device, and the hammer frame is internally provided with a pulley assembly connected with the hydraulic lifting device, an inner unhooking device arranged on the pulley assembly, and an outer unhooking device arranged on the outer side of the hammer frame and connected with the inner unhooking device; hammer body ascending and descending are achieved through the pulley assembly via the hydraulic lifting device, and the inner unhooking device and the outer unhooking device achieve automatic unhooking and automatic heavy hammer hoisting through ascending and descending of a hammer body. The high-strain detection super-large hammer self-beating device and the application method have the beneficial effects that the using cost is low, convenience and rapidness are achieved, and practicability is high.
Owner:广东正欣工程技术检测有限公司

Bathtub swimming pool with VR immersive experience

The invention provides a bathtub swimming pool with VR immersive experience. The bathtub swimming pool comprises a pool body, a base is fixedly installed on the side wall of the pool body, the base is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a support used for placing VR equipment, the axis of the rotating shaft is horizontally arranged, one end of the rotating shaft is coaxially and fixedly connected with a limiting wheel, and the base is provided with a fixing piece for locking the limiting wheel. According to the technical scheme, people can place VR equipment conveniently, and the convenience of the bathtub swimming pool is improved.
Owner:东莞市威纳斯卫浴科技有限公司

Agricultural green environmentally-friendly type fertilizer treatment equipment

The invention discloses agricultural green environmentally-friendly type fertilizer treatment equipment which comprises a base, wherein the top part of the base is fixedly connected with an equipmentbody; the left side of the equipment body communicates with a liquid suction pipe; the left side of the liquid suction pipe communicates with a liquid conveying pipe; a separation mechanism, a cleaning mechanism and a collection mechanism are respectively arranged on the back side of the equipment body; and the bottom parts of the separation mechanism, the cleaning mechanism and the collection mechanism are fixedly connected with the base. Through the combined use of the base, the equipment body, the liquid suction pipe, a liquid outlet pipe, the separation mechanism, a liquid suction pump, the liquid outlet pipe, the cleaning mechanism, the collection mechanism, a first transmission mechanism and a second transmission mechanism, the problems that the existing agricultural green environmentally-friendly type fertilizer treatment equipment has no solid-liquid separation function, a separation mesh is easily blocked as the separation mesh cannot be cleaned, and a user is not convenient to collect the material due to the unsmooth discharge are solved.
Owner:安花萍

A fastening device for assisting in the fastening of a three-jaw chuck on a lathe

The invention discloses a fastening device for assisting in tightening a three-jaw chuck on a lathe. The fastening device comprises a right-angle hanging plate with a bolt hole, wherein an air cylinder is embedded in the horizontal end surface of the right-angle hanging plate; the lower end of the air cylinder is in power connection with a lifting rod; an arc-shaped track is arranged at the lowerend of the lifting rod; and a swinging assembly is arranged in the arc-shaped track. According to the fastening device disclosed by the invention, a plurality of groups of limiting rods which are clamped on double surfaces and are arrayed along the three-jaw chuck in an annular manner are utilized, and the limiting rods can be movably separated from abutting against an extension rod of the three-jaw chuck, so that synchronous rotation or disconnection transmission of the three-jaw chuck is controlled; the position change of oil liquid difference in a sealed pipeline is changed, so that the limiting capacity of rotation of a double-surface clamping structure part is realized, and the ordered working steps of the clamping structure part clamping-sliding out-releasing-sliding back along a circular rail are realized; and the whole process can be controlled by a program, and manual intervention is not needed, so that the problem that a workpiece is not completely fixed due to insufficient force is avoided, and the probability that workers are accidentally injured by a cutter is reduced.
Owner:江苏鑫品工业装备有限公司

Multipurpose cleaning tank of endoscope cleaning workstation

PendingCN114532951ARealize clamping restriction effectImplementation limitSurgeryHollow article cleaningEngineeringSlide plate
The invention relates to the technical field of medical cleaning tanks, and particularly discloses a multi-purpose cleaning tank of an endoscope cleaning workstation, the multi-purpose cleaning tank comprises a cleaning table, a cleaning tank, a connecting plate, a threaded rod and a sliding plate, two first connecting rods are integrally formed in the cleaning tank, and the connecting plate sleeves the outer sides of the first connecting rods; and an opening is formed in the surface of the connecting plate. Through the position structural design of a connecting plate, a threaded rod, a nut, a second connecting rod and a first metal ring, the position adjustment of the first metal ring can be effectively utilized to achieve the clamping and limiting effect on a related electronic endoscope lens, so that the electronic endoscope lens can be stably located on the inner side of the cleaning tank, and meanwhile, the cleaning efficiency is improved. Through the structural design of a sliding plate, a spring telescopic cylinder and a limiting groove formed in the outer side of a nut, an air and water supply pipeline of the electronic lens can be effectively limited, and therefore medical workers can utilize related equipment to conduct high-pressure flushing treatment on the interior of the pipeline more easily.
Owner:江苏洁曼医疗科技有限公司

Steel window frame structure

The invention relates to the field of doors and windows, in particular to a steel structure window frame structure which comprises a frame and a plurality of stand columns vertically mounted in the frame, sliding sleeves are fixedly connected to the two ends of each stand column, and adjusting blocks are fixedly connected to the two ends, in the thickness direction of the frame, of each sliding sleeve. Racks are fixedly installed on the two side walls of the frame in the length direction of the frame, the adjusting blocks are rotationally connected with gears, and the gears are connected with the racks in an engaged mode. The adjusting block is provided with an adjusting assembly used for locking the gear. A protection assembly used for protecting the adjusting assembly is arranged outside the adjusting block. The device has the effect that the position of the stand column is conveniently adjusted, meanwhile, the effect of stable fixation between the stand column and the frame is guaranteed, and the device has the fire extinguishing performance after sensing high temperature.
Owner:门联(上海)智能系统工程有限公司

Extruder and production process thereof

The invention relates to an extruder and a production process thereof, and relates to the field of plastic cup production, the extruder comprises a machine body and a hopper installed on the machine body, a partition plate is fixedly connected in the hopper, the hopper forms a circulation area and a feeding area on the two sides of the partition plate respectively, the partition plate is provided with a charging barrel, and the charging barrel is provided with a feeding port. A reciprocating motion mechanism used for material circulation is arranged in the charging barrel, a circulation opening and a feeding opening are formed in the two sides of the top of the charging barrel respectively, control mechanisms are arranged at the positions, located at the circulation opening and the feeding opening, of the charging barrel, a cooling plate is installed at the bottom of the partition plate, a plurality of cooling pipes are detachably arranged in the cooling plate, and the cooling pipes are connected with the charging barrel. Ice bars are sealed in the cooling pipe, and the hopper is provided with a fixing assembly used for fixing the cooling pipe. The plastic extrusion device has the effect of cooling materials, so that the materials are prevented from being overheated, and normal operation of plastic extrusion work is ensured.
Owner:成都双健包装有限公司

Novel vegetable cutter feeding mechanism

The invention relates to the technical field of vegetable cutter feeding, in particular to a novel vegetable cutter feeding mechanism which comprises a motor and mounting plates, a speed reducer is fixedly mounted at the output end of the motor, a driving gear is fixedly mounted at the output end of the speed reducer, and a driving roller and an auxiliary roller are symmetrically arranged between the mounting plates. The end, close to the driving gear, of the driving roller is sleeved with a driven gear, a tightening roller is arranged in the mounting plate, a belt is wound around the outer surfaces of the driving roller, the auxiliary roller and the tightening roller, and bases are symmetrically and fixedly mounted on the upper surface of the mounting plate. According to the potato and carrot conveying device, by arranging the base, the rotating plate, the mounting disc, the electric push rod, limiting plates and other related mechanisms, when potatoes, carrots and other similar spherical or cylindrical vegetables are conveyed through a belt, the distance between the two sets of limiting plates can be adjusted through the pushing effect of the electric push rod, and then the limiting effect on the potatoes and the carrots is achieved; therefore, the subsequent vegetable cutting process can be smoothly carried out.
Owner:刘佑红

Lightweight rapid battery replacement frame assembly and method for integrally replacing battery

PendingCN113858932ARealize quick release effectRealize a faceliftCharging stationsElectric propulsion mountingControl engineeringMechanical engineering
The invention discloses a lightweight rapid battery replacement frame assembly and a method for integrally replacing a battery, and belongs to the technical field of commercial vehicle battery replacement equipment. The lightweight rapid battery replacement frame assembly comprises a battery comprehensive fixing frame and further comprises a frame installation control frame arranged below the battery comprehensive fixing frame; a quick release mechanism and a positioning mechanism are mounted on the frame installation control frame; and a limiting mechanism I matched with the quick release mechanism and a limiting mechanism II matched with the positioning mechanism are mounted on the battery comprehensive fixing frame. The battery and the battery comprehensive fixing frame are integrally replaced, the battery replacing efficiency is greatly improved, meanwhile, the quick detaching effect of the battery comprehensive fixing frame and the frame is achieved, efficiency is high, operation is easy, practicability is high, and application and popularization are facilitated. Accurate and reliable installation of the battery comprehensive fixing frame can be realized by matching the positioning mechanism and the limiting mechanism which are matched with each other.
Owner:ANHUI FUMA AUTO PARTS GRP CO LTD

Nursing nasal feeder

InactiveCN108403440AImprove practicalityImprove functional integrityFeeding-tubesPistonEngineering
The invention relates to the technical field of medical nursing equipment, and discloses a nursing nasal feeder which comprises a push ring. The middle of one side of the push ring is fixedly connected with a push rod I, one end of the push rod I extends into a pressurizing box, penetrates a piston I and fixedly sleeves a push block positioned inside the pressurizing box, a moving rod I positionedinside the pressurizing box is arranged on one side of the push block, the outer wall of the moving rod I is movably mounted inside a moving box in a sleeving manner, a limit rod positioned inside the moving box movably sleeves the outer wall of one side of the moving rod I, and one side of the limit rod is fixedly connected with one end of a tension spring I. According to the nursing nasal feeder, by the aid of the pressurizing box, the piston I, the push block, the moving rod I, the moving box, the limit rod, the tension spring I and a vacuum chamber, thrust applied to the push rod I can bepressurized, materials inside a storage box can be conveniently conveyed into a telescopic pipe and enter the body of a patient from a sprayer, and labor of nurses can be saved.
Owner:吴振强

Shuttling robot with dynamic balance self-stabilizing function

The invention discloses a shuttling robot with a dynamic balance self-stabilizing function, and relates to the technical field of plate carrying, the shuttling robot comprises a shell, a frame and power wheels, the power wheels are arranged on the outer side of the shell, the frame is arranged in the shell, a bearing assembly is arranged in the frame, and a limiting assembly is arranged above the bearing assembly. Through mutual cooperation of the components above the detection component, the limiting effect of the robot on goods is improved, the dependence of the robot on the weight or the outer surface structure of transported equipment is reduced, and the transportation effect of the robot on light materials such as thin plates is improved; and the vertical block is far away from the power wheel, the detection assembly is more sensitive to the motion state of the robot, then the adjusting assembly actively drives the frame and the main board to deflect according to the real-time detection result of the detection assembly, and the influence of inertia on goods is reduced.
Owner:壹号智能科技(南通)有限公司

A kind of oil testing and sampling device

The invention discloses a petroleum detection and sampling device, which belongs to the technical field of sampling devices. A petroleum detection and sampling device comprises a sleeve and a sampling inner cylinder. Both sides of the top surface of the sleeve are provided with a set of engraved The arc-shaped plate of the scale mark, the sampling inner cylinder is located on the inside of the sleeve and a threaded path is opened on the outside, which can be realized through the connection relationship between the sampling inner cylinder, the sampling outer cylinder and the silica gel pad, as well as the arc-shaped plate and the scale mark The positional structure design between the alloy plate and the sampling outer cylinder can effectively adjust the high-precision positional relationship between the sampling outer cylinder and the sampling inner cylinder, and effectively control the oil sampling quantitatively by adjusting the positional relationship between the sampling inner cylinder and the sampling outer cylinder At the same time, the oil after sampling can also be quantitatively discharged several times according to the positional relationship between the alloy plate and the scale mark, and each mixture can be detected separately, so that the sampling device is more practical and more conducive to Promotional use.
Owner:南通仁隆科研仪器有限公司

Wire drawing type automobile outward-opening handle assembly and assembling method thereof

The invention relates to a wire drawing type automobile outward-opening handle assembly and an assembling method thereof. the wire drawing type automobile outward-opening handle assembly comprises a lock body which is used for locking an automobile body and an automobile door, an outward-opening handle which is located below the lock body, and a pull wire; the pull wire is mounted between the lock body and the outward-opening handle and comprises a wire pipe and a steel wire; a containing space is formed in the wire pipe in the length direction of the wire pipe, and an annular isolation space is arranged around the containing space; the steel wire penetrates through the containing space in the wire pipe, and when the outward-opening handle is opened or closed, the steel wire is always located in the containing space. Due to arrangement of the containing space and the annular isolation space, the steel wire is always located in the containing space when moving in the extending direction of the wire pipe, the wire pipe cannot be rubbed or move, and the end, close to the outward-opening handle, of the wire pipe can be stabilized even if the end is not fixed, so that when the pull wire is mounted, a clamping point at the outward-opening handle only requires one part connected by the steel wire; meanwhile, the vertical steel wire is higher in bearing capacity than a pull rod, and the problem of pull rod deformation is solved.
Owner:DONGFENG COMML VEHICLE CO LTD

Inclined heating type semiconductor type gas sensor testing device and method

The invention relates to an indirectly-heated semiconductor type gas sensor testing device and method, the indirectly-heated semiconductor type gas sensor testing device comprises a base, a fixed frame and a cavity, the two sides of the cavity are rotatably connected with the fixed frame through a horizontal connecting rod, and the fixed frame is rotatably connected with the base through a vertical connecting rod; the problem that the to-be-detected gas cannot be fully mixed due to the density when the to-be-detected gas is more than two kinds of mixed gas is solved, meanwhile, the mixing and shaking-up speed of the gas is increased, and the excessive loss of the gas-sensitive material is reduced. And meanwhile, the jackscrews are respectively arranged on the horizontal connecting rod and the vertical connecting rod, so that the limiting effect of the axial rotation of the cavity and the axial rotation of the fixed frame is realized. A plurality of gas input valves which are uniformly distributed are arranged at the top of the cavity, so that various gases to be detected can be connected; meanwhile, the liquid evaporation pond is arranged on the fixed platform, volatile liquid in the liquid evaporation pond is heated through the heating rod at the bottom of the liquid evaporation pond, gas is formed, and detection is facilitated.
Owner:TIANJIN INST OF METROLOGICAL SUPERVISION & TESTING

Scraped car turnover device

The invention relates to a scraped car turnover device, and relates to the field of car disassembly, the scraped car turnover device comprises a workbench and a support installed on the workbench, the support is provided with a supporting frame in a lifting mode, and the supporting frame is provided with a supporting table used for placing a car and a clamping mechanism used for clamping the car. The automobile turnover protection device is characterized in that a plurality of sets of induction mechanisms used for surrounding an automobile turnover protection area are arranged on the outer edge of the working table, the working table is provided with a warning mechanism used for warning workers, the supporting table is provided with a reinforcing mechanism used for stabilizing the supporting table, and the induction mechanisms are in control connection with the warning mechanism. The automobile turnover device has the effect of warning workers, and the safety performance in the automobile turnover operation process is ensured.
Owner:陕西省报废汽车回收拆解有限公司

Deformation mirror

The invention discloses a deformation mirror, comprising a mirror body and at least one brake; the brake comprises a transmission assembly and an ultrasonic motor, and the transmission assembly is connected with the mirror body; and the ultrasonic motor is connected with the transmission assembly and drives the transmission assembly to push the mirror body to change the face shape of the mirror body. The deformation mirror disclosed by the utility model has the advantages of high adjusting accuracy, high efficiency, small size, light weight and the like.
Owner:TSINGHUA UNIV

High-strength profile steel structure for steel-built greenhouse

PendingCN112740942AAvoid the situation that it is not easy to plug into the cavity opened by the guide cylinderEffects of effective docking restrictionsClimate change adaptationGreenhouse cultivationButt jointMaterials science
The invention relates to the technical field of profile steel, and particularly discloses a high-strength profile steel structure for a steel-built greenhouse. The high-strength profile steel structure comprises first I-shaped steel and second I-shaped steel, and the left and right sides of the front and back surfaces of the first I-shaped steel and the second I-shaped steel are fixedly connected with a first fixing plate and a second fixing plate respectively; The high-strength profile steel structure has the beneficial effects that through the structural design of the first fixing plate, the second fixing plate, a metal rod, a guide cylinder, a first inserting rod, a metal block, a third fixing plate and a spring, the butt joint limiting effect on the first I-shaped steel and the second I-shaped steel can be effectively achieved, the first I-shaped steel and the second I-shaped steel are more stable after butt joint is completed, the phenomenon that in the welding process of the second I-shaped steel and the first I-shaped steel, the angle position of the second I-shaped steel deviates is avoided, and the problem that when traditional I-shaped steel is spliced and welded, butt joint of multiple pieces of I-shaped steel is not stable, and follow-up welding operation is affected is solved.
Owner:苏州智绿建筑工程有限公司

Hybrid excitation multifunctional saturated iron core alternating current fault current limiter and current limiting method

The invention relates to a saturated iron core type alternating current fault current limiter technology, in particular to a mixed excitation multifunctional saturated iron core alternating current fault current limiter and a current limiting method, the current limiter comprises an iron core, a first direct current winding, a second direct current winding, a first alternating current winding, a second alternating current winding and a direct current peripheral circuit; the iron core is of a five-column type structure and comprises a left outer side air gap supporting column, a right outer side air gap supporting column, a middle supporting column, a left working iron core, a right working iron core, an upper transverse yoke and a lower transverse yoke, the left working iron core is located between the left outer side air gap supporting column and the middle supporting column, and the right working iron core is located between the right outer side air gap supporting column and the middle supporting column. The upper transverse yoke and the lower transverse yoke are located above and below all the supporting columns respectively, and a permanent magnet is embedded in the middle supporting column. The current limiter can effectively adjust the power flow of a power system when the power system operates normally; when a short-circuit fault occurs in a power system, the fault current of the system is effectively limited, the eddy-current loss of the permanent magnet is reduced, and the utilization rate of the current limiter is greatly improved.
Owner:WUHAN UNIV

Modularized pipeline installation method

The invention relates to a modular pipeline installation method, which relates to the field of pipeline installation, and comprises the following steps: S1, determining the size of a pipeline, adjusting the position of a support ring in a mold frame according to the size of the pipeline, adjusting the opening size of the support ring, and ensuring that the support ring is matched with the pipeline; s2, two supporting rings are fixed, and the two supporting rings are fixed in a split bolt fixing mode; s3, a rubber ring is installed, a rubber ring bag with glue is placed at the position of the pipeline inserting opening, and the rubber ring bag is arranged in a circle and adheres to the inner wall of the pipeline inserting opening; and S4, pipelines are installed, the two mold frames are fixed in a butt joint mode, the two pipelines are fixed in a pipeline inserting mode, and after the rubber rings are broken, the glue is distributed at the pipeline connecting positions. The supporting ring has the effect of conveniently adjusting the size and position of the supporting ring, so that the effect of matching pipelines of different specifications is achieved, and the great market value is achieved.
Owner:中建五局安装工程有限公司 +2

Fan

The invention relates to a fan and relates to the field of ventilation equipment, the fan comprises a chassis and a machine shell, a rotating shaft is rotationally connected between the chassis and the machine shell, the chassis is provided with an intermittent assembly for adjusting the rotating angle of the machine shell, and the chassis is provided with a power part for driving the intermittent assembly; the machine shell is provided with a circular ring in a lifting mode, the machine shell is provided with a lifting device for achieving lifting of the circular ring, the base plate is provided with an annular groove used for containing the circular ring, and a fastener is arranged between the circular ring and the base plate. The fan has the effect of conveniently adjusting the air outlet angle, operation is easy, the adjusting precision is high, and the market value of fan application is greatly improved.
Owner:SHANGHAI GUANDAI VENTILATION & ENERGY SAVING EQUIP CO LTD
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