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Design method of threaded joint and manufacturing method of threaded joint
ActiveCN116057231Bwon't leaveTwist to the end to omit
The threaded joint (1) of the present application is a threaded joint (1) provided at the end of a steel pipe (3) and joining the steel pipes (3) to each other, and has a pin side barrel (7) having a pin thread (5) formed by a tapered thread, a box side barrel (11) having a box thread (9) formed by a tapered thread, and the inclination angle of the stabbing flank (5a, 9a) of the thread of the pin thread (5) and the box thread (9) with respect to the right angle direction of the axis of the steel pipe is in the range of 0 degrees to +8 degrees.
Owner:JFE STEEL CORP
A wild-simulated rock wall planting fixing device for traditional Chinese medicinal materials
The utility model provides a kind of traditional Chinese medicinal material wildness imitated rock wall planting fixing device.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device includes: base and be used for fixing plant U-shaped limiting component in the base upper portion;First U-shaped block is fixedly installed on the base;Connecting block is rotatably installed on the first U-shaped block;First telescopic rod is fixedly installed on the connecting block top for adjusting the height of U-shaped limiting component;Fixed block is fixedly installed on the first telescopic rod top end;Second telescopic rod is rotatably arranged on the side of the fixed block for horizontally adjusting U-shaped limiting component.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device provided by the utility model is designed with height-adjustable, multi-angle fixing and self-adaptive limiting, effectively solves the problem that traditional fixing device cannot adapt to plant growth and is complicated to operate.
Owner:XICHOU COUNTY ZHENGFENG AGRICULTURAL TECHNOLOGY CO LTD
Steel pipe handling aid
This utility model provides a steel pipe handling auxiliary device, relating to the technical field of steel pipe handling auxiliary devices. It includes a moving mechanism comprising a first tilting frame, a second tilting frame fixedly connected to one side of the first tilting frame, and a recessed frame fixedly connected to the top of the first tilting frame. The recessed frame has a rubber pad inside, which is fixedly connected to the recessed frame. Universal wheels are fixedly connected to the outer surfaces of both the first and second tilting frames. This utility model, by setting up a moving mechanism that can fix the end of the steel pipe, allows the steel pipe to be stably placed within the recessed frame of the moving mechanism. When the entire moving mechanism moves, it can move the steel pipe, thereby achieving the purpose of moving the steel pipe within a small range, bringing it closer to the processing equipment, and ensuring the safety of processing personnel during the movement.
Owner:CHANGSHU JINYU SPECIAL-SHAPED STEEL PIPE CO LTD
A footbridge for connecting offshore platforms and transport ships
ActiveCN224280995Ufirmly connectedEffectively bear the upper loadBridge structural detailsBridge materialsMarine engineeringStructural engineering
This utility model provides a connecting walkway between an offshore platform and a transport ship, comprising a frame structure, a walkway panel on the upper surface of the frame structure, railing assemblies on the transverse sides of the frame structure, connecting hooks at the platform connection end of the frame structure, and a connection to the offshore platform's ladder beams via the connecting hooks; the ship-attached end of the frame structure rests directly on the transport ship without being secured. This utility model provides reliable strength, lightweight construction, and ensures personnel safety between the offshore platform and the transport ship.
Owner:POWERCHINA HUADONG ENG CORP LTD +1
Assembly type bottom rod assembly supporting structure
ActiveCN222595653Uwon't leaveBottom rod assembly and top rod structure fixationScrew threadBoard structure
The utility model provides an assembly type bottom rod assembly supporting structure, and relates to the field of supporting. The ejector rod structure is inserted into the bottom rod assembly to be freely drawn and pulled, the ejector rod structure is connected with the rotating rod structure through an ejector hole with a thread, the rotating rod structure is welded and fixed to the connecting plate structures through the ejector piece structure, and one control rod is welded and fixed to the bottom end of each connecting plate structure. If a gap or dislocation is generated between the connector assembly and a support object, the connector assembly rotates in the bottom end of the contact piece while the ejector piece structure rotates, so that the contact piece cannot be dislocated, the supporting position is guaranteed, meanwhile, the rotating rod structure with threads arranged outside rotates in the top hole, fine height adjustment is carried out by means of the threads, and the height adjustment precision is improved. And gaps or dislocation is avoided during supporting, and the problems that according to a common assembly type bottom rod assembly supporting structure, the height adjusting distance range is large, the adaptability is limited, and fine adjusting supporting is inconvenient are solved.
Owner:庞东月
Crankshaft connecting rod stroke adjusting device for a press
The application discloses a crankshaft connecting rod stroke adjusting device of a press machine, which comprises a press machine body, a crankshaft rotatably arranged in the body, an eccentric sleeve and an adjusting sleeve arranged on the crankshaft, a clutch mechanism arranged on the opposite end surfaces of the eccentric sleeve and the adjusting sleeve, a first gear ring fixedly connected to the eccentric sleeve, a rotating shaft rotatably arranged on the adjusting sleeve, a first gear part arranged on the rotating shaft and engaged with the first gear ring, a second gear ring rotatably arranged on the end surface of the adjusting sleeve away from the eccentric sleeve, a second gear part arranged on the rotating shaft and engaged with the second gear ring, a plurality of indicating scales arranged on the second gear ring, an alignment mark arranged on the end surface of the adjusting sleeve with the second gear ring, and an observation hole arranged on the press machine body and used for observing the alignment mark. The crankshaft connecting rod stroke adjusting device of the press machine can indicate the rotation of the eccentric sleeve, and thus the alignment of the clutch mechanism can be judged by the operator during the adjustment, and the operation is more convenient and accurate without the aid of additional measuring tools.
Owner:NINGBO OUTAI INTELLIGENT PUNCH MFG CO LTD
An autism eye movement trajectory recognizer
The application relates to the technical field of eye movement instruments, and discloses an autism eye movement track recognition instrument, which comprises an instrument base plate, a playing device is fixedly installed at one end of the instrument base plate, a head limiting mechanism is rotationally assembled at the other end of the instrument base plate, the playing device is used for playing materials, and an eye movement tracking camera for collecting the eye picture of a patient when the patient watches the materials is hiddenly installed on the playing device. The autism eye movement track recognition instrument limits the head position of the patient through the swingable head limiting mechanism, the swing of the head of the patient can reduce the uncomfortable feeling, the eye movement tracking camera is driven to move synchronously through a power transmission assembly, the eyes of the patient can be kept facing the camera during the test process, the eyes of the patient are prevented from deviating from the shooting range of the camera, and the eye movement tracking camera is prevented from moving and lagging behind when the head of the patient swings, so that the shooting of the eyes is not delayed, and the accuracy of collecting the eye movement track of the patient is ensured.
Owner:ANHUI MEDICAL UNIV
Flip-top connector with rubber coating at the tail and metal stop spring
ActiveCN111900575BAchieving a watertight sealGood waterproof sealingCouplings bases/casesStructural engineeringMechanical engineering
The present invention relates to a flip-top connector with rubber-coated tail and a metal stop spring, wherein the flip-top connector includes a socket housing, an end cover hinged to the rear end of the socket housing through a pivot, a power terminal interference-fitted from the center hole of the socket housing, an inner rubber core buckled at the bottom of the power terminal, a tail cover fixed to the bottom of the socket housing, a stop convex block convexly provided on the rear side of the end cover, a first groove concavely provided on the top surface of the rear end of the socket housing, a slide groove provided on the inner wall of the first groove, a metal stop spring embedded from top to bottom in the slide groove, when the end cover is opened, the stop convex block and the metal stop spring cooperate with each other to realize that the end cover is always open in the plug-in state. The metal stop spring is an integrally formed mounting portion, a deformation portion, a positioning convex point portion, and a positioning claw portion. The flip-top connector provided by the present invention realizes a multi-directional waterproof function and the end cover can always be in the same state in the absence of external force, and the designed metal stop spring can maintain a relatively high service life.
Owner:SHENZHEN CHOGORI TECH CO LTD
A clamp for 45° angle cutting sample of rail head of steel rail
ActiveCN224390103Uwon't leaveNot affected by frictional resistanceMetal sawing devicesClassical mechanicsStructural engineering
The utility model discloses a clamp for 45 DEG angle cutting sample of rail head of steel rail, including base, the top of base is fixed with L type cushion block through welding, one end of L type cushion block is fixed with rectangular pipe through welding, the utility model discloses the assembling hole, inner plate and reset spring of design, slide the inner plate to the assembling hole, the top rod is drawn and is limited, guarantee top rod drawing and will not from the rectangular pipe inside separation, avoid the inconvenient operation of again hole insertion when traditional top rod uses, when stopping clamping the rail head, the band sawing machine is stopped to the top rod extrusion to the hydraulic clamp, and reset spring that is in the compression state recovers deformation and exerts elastic force at this moment, and the top rod is pushed and is reset quickly automatically, need not manually drawing top rod and stop clamping the rail head, make the utility model discloses operation more convenient and fast.
Owner:BAOTOU IRON & STEEL (GROUP) CO LTD
Visual defect detection equipment and detection method for all-cotton gray fabric production
PendingCN119595654Adoes not affect extractionwon't leaveOptically investigating flaws/contaminationWebs handlingAgricultural engineeringStructural engineering
The invention relates to the technical field of textile production equipment, in particular to visual flaw detection equipment for all-cotton gray fabric production and a detection method.The visual flaw detection equipment comprises a detection table, a feeding base is arranged on one side of the upper end of the detection table, a collecting frame is arranged on the other side of the upper end of the detection table, and a detection frame is further arranged at the upper end of the detection table; the detection frame is located between the feeding base and the material collecting frame, and a feeding device is arranged on the feeding base. During discharging, gray fabric roll materials roll between the feeding rollers, the feeding rollers jointly fix the gray fabric roll materials without affecting drawing out of gray fabric, the gray fabric roll materials are located between the feeding base and the feeding pressing plate, and when the pressing plate is pressed downwards, under the action of the pressing spring, when the gray fabric is drawn out, the gray fabric roll materials cannot be separated from the feeding groove.
Owner:ZHEJIANG SHUNFENG WEAVING CO LTD
Mouthpiece cup cover with both disassembly and sealing
ActiveCN224584539UBlock vertical movementReliable compression
Owner:EVERICH & TOMIC HOUSEWARES CO LTD
Ventilation device for underground garage
InactiveCN222634723Uwon't leaveImprove closureLighting and heating apparatusSpace heating and ventilation detailsStructural engineeringFan blade
The utility model provides a ventilation device for an underground garage, and relates to the field of ventilation. The draught fan is installed in the middle of the interior of the ventilation device, the exterior of the draught fan is connected with an outer plate structure through an outer rod structure, the two ends of the outer plate structure are each provided with a fixing rod structure in a penetrating and inserting mode, the fixing rod structures of the T-shaped structures are sleeved with springs, and the fixing rod structures are inserted into the ventilation device to be fixed. After the ventilation device is used for a long time, if a fan or a fan blade needs to be cleaned, two fixing rod structures can be directly pulled to move inwards, springs are compressed, the fixing rod structures can be separated from the interiors of the two sides of the ventilation device, fixation of an outer plate structure and the fan is relieved, then the fan is directly pulled to move backwards, and the fan or the fan blade is cleaned. According to the underground garage ventilation device, the fan can be conveniently taken down to be maintained and cleaned, the maintenance efficiency is improved, and the problems that dirt is generated and cleaning and maintenance are inconvenient due to the fact that a common underground garage ventilation device, an internal fan and fan blades are used for a long time are solved.
Owner:SHANDONG TONGYUAN DESIGN GRP
An earthquake-resistant expansion joint building electrical conduit structure
An electrical conduit structure for seismic expansion joints, belonging to the field of electrical wiring technology, is disclosed. It includes an outer fixing ring and two supporting legs. A conduit is threaded through the outer fixing ring. The inner end of each supporting leg is rotatably connected to the outer fixing ring, and the outer end is connected to a bearing seat mounted on the building wall via a supporting shaft. The supporting shaft is movably mounted on the bearing seat. An elastic arc plate is provided between the two supporting legs. In this invention, based on the connection structure between the outer fixing ring and the supporting legs, between the bearing seat and the supporting legs, and between the supporting legs, deformation of the outer fixing ring and conduit can be avoided by changing the angle between the supporting legs when the width of the seismic expansion joint changes. When the position of the seismic expansion joint changes, the change in the horizontal position between the supporting shaft and the bearing seat can offset the change in the position of the seismic expansion joint.
Owner:HANGZHOU JIUMI ARCHITECTURAL DESIGN CO LTD
Inner frame structure for dehydrator
ActiveCN222578703Uwon't leaveEasy to installDrying solid materials without heatDrying chambers/containersStructural engineeringMechanical engineering
The utility model relates to the technical field of shrimp paste processing, and discloses an inner frame structure for a dehydrator, which comprises an outer frame, the lower end of the outer frame is fixedly connected with a connecting shaft, the outer side of the outer frame is provided with a slot, and the inner part of the outer frame is fixedly connected with a connecting rod. According to the inner frame structure for the dehydrator, when the outer frame and the inner frame assembly are installed in a sliding mode, an inserting block corresponds to an inserting groove, a top cover assembly is pressed, a top plate makes contact with the inner frame assembly, a first spring is stressed and compressed, the inclined face of an inclined block makes contact with the outer frame and then is extruded, the inclined block moves towards the interior of a sliding groove, and a second spring is compressed till the inserting block is aligned with the inserting groove; when the outer frame and the inner frame assembly are separated, the pressing plate is pinched by hands, in the process, the pressing plate moves downwards along the limiting column, the inclined block extrudes the extrusion block, the insertion block is driven to move inwards, the insertion block is separated from the insertion groove, the first spring rebounds, the top plate jacks the inner frame assembly, and the outer frame and the inner frame assembly are separated.
Owner:SHANGHAI WANYANG AQUATIC PROD CO LTD
Drying oven tuyere structure
ActiveCN224195184UAdjustable rotation anglechange wind directionPretreated surfacesCoatingsLaboratory ovenPole piece
The utility model discloses a drying oven tuyere structure which comprises a rotating cylinder body, a rotating head is rotationally installed on the rotating cylinder body, and an inner cavity of the rotating head is a first air channel with the width sequentially narrowing from the rotating cylinder body to the outside. The rotating cylinder is provided with a first mounting hole and second mounting holes located in the two sides of the first mounting hole, the rotating head is provided with a third mounting hole aligned with the first mounting hole and two arc-shaped holes located in the two sides of the third mounting hole, and the fastener penetrates through the third mounting hole and is locked on the first mounting hole. The limiting piece penetrates through the arc-shaped hole and is locked on the second mounting hole; a second air duct is formed in the rotating cylinder, a first mesh plate located at the inlet end of the second air duct is mounted in the rotating cylinder, a mounting plate is detachably mounted on the rotating cylinder, and a plurality of air inlet holes communicated with the second air duct are formed in the mounting plate; when different types of pole pieces are dried, the angle of the rotating head can be adjusted, so that the air outlet flow direction in the first air duct is changed, and the drying efficiency and effect are improved.
Owner:GUANGDONG JUDE MASCH CO LTD
Nondestructive testing device for thick-wall precision forgings
The invention relates to the technical field of thick-wall precision forging nondestructive testing, in particular to a thick-wall precision forging nondestructive testing device which comprises a vertical plate, a bottom plate and a servo motor, the outer wall of the vertical plate is fixedly connected with the bottom plate, the servo motor is installed at the left end of the vertical plate, the inner wall detection mechanism comprises an inner disc, the inner disc is arranged above the vertical plate, and the inner disc is fixedly connected with the bottom plate. A rotating rod is rotatably connected to the front end of the inner disc, a main gear is fixedly connected to the end, in the inner disc, of the rotating rod, a bevel gear is connected to the exterior of the main gear in a meshed mode through teeth, the bevel gear is fixedly connected to the outer wall of a threaded rod, and the threaded rod is rotatably arranged in the inner disc; and the surface of the threaded rod is in threaded connection with a sliding seat. According to the nondestructive testing device for the thick-wall precision forgings, the flaw detection process of the thick-wall precision forgings can be conveniently and rapidly carried out, the situation that the detection time process and the detection time are prone to occurring due to the fact that the thick-wall precision forgings are subjected to flaw detection manually is avoided, and the practicability and the detection efficiency of the device are improved.
Owner:NANJING XIANGLIN MASCH TECH CO LTD
Automatic lifting and moving device for heavy load pallets in unmanned warehouse
PendingCN122501636Awon't leaveautomatically fall to
The application discloses an automatic jacking and moving device for heavy loads in an unmanned warehouse, and relates to the technical field of unmanned warehouses.The device comprises a first guide rail, a second guide rail, a third guide rail and a fixing frame, the third guide rail, the second guide rail and the first guide rail are used for moving the heavy load at the fixing frame along the XYZ direction, and the end of the third guide rail is provided with a first driving motor.Two support plates of the device can support the heavy load when they are close to each other, so that the heavy load cannot fall off the support plates, and the heavy load can automatically fall onto the shelf when the two support plates are far away from each other.The placing plate can be in a horizontal state or an inclined state, the material can fall from the middle of the placing plate when the placing plate is in the horizontal state, the material can fall from the side wall of the placing plate when the placing plate is in the inclined state, the torque generated by the counterweight can balance the torque generated by the heavy load at the support plate, and the heavy load cannot fall down due to the imbalance of the center of gravity of the heavy load at the support plate.
Owner:NANJING RONGDA LOGISTICS EQUIP CO LTD
Pulse type bag-type dust collector
ActiveCN119656727Awon't pile upwon't leaveHuman health protectionDispersed particle filtrationDust controlIndustrial yard
The invention relates to the technical field of dust removal, in particular to a pulse type bag-type dust remover which comprises a discharging inner opening, an outer adjusting ring is rotatably connected to the outer side of the discharging inner opening, an adjusting ball is fixedly connected to the inner side of the outer adjusting ring, a corrugated groove is formed in the outer side of the discharging inner opening, and the adjusting ball is slidably clamped in the corrugated groove. The top corners of the corrugated grooves are the same, the bottom corners of the corrugated grooves are the same, the number of the top corners is the same as that of the bottom corners, inner break angles are arranged at the connecting positions of the top corners, inner break angles are arranged at the connecting positions of the bottom corners, the top corners of the corrugated grooves and the corresponding bottom inner break angles deviate towards the right side, and the top inner break angles of the corrugated grooves and the corresponding bottom corners deviate towards the left side. The pulse type bag-type dust collector has excellent filtering capacity, is suitable for various industrial occasions, and is innovatively characterized in that accumulated dust on a filter bag is effectively removed by a unique pulse injection technology, and meanwhile, the bag is matched with pulse thrust to rotate, so that the dust can be prevented from being accumulated to one place.
Owner:ZHEJIANG ZHUJI LIDA ENVIRONMENTAL PROTECTION EQUIP
Full-automatic steel billet cold centering hole processing device
This invention discloses a fully automatic cold centering hole processing device for steel billets, relating to the field of steel billet processing technology. It includes a support plate with a through hole at the top center. A hydraulic cylinder is fixedly connected to the top center of the support plate, with its bottom end penetrating the through hole and having a first threaded hole. A threaded rod is threaded into the first threaded hole, and a motor is fixedly connected to the bottom end of the threaded rod. Through the cooperation of the hydraulic cylinder, clamping plates, motor, and composite drill bit, the steel billet can be conveyed by a conveying device. One side of the steel billet will first contact one side of the clamping plate. Since both sides of the clamping plate are inclined, the steel billet will enter between the inclined surfaces of the two clamping plates. Under the operation of the conveying device, the two clamping plates are gradually opened, and the steel billet enters the space between them. The clamping plates will drive the first spring and elastic collar to stretch, thereby ensuring that the clamping plates can always clamp steel billets of different sizes.
Owner:CHENGDU METALLURGICAL EXPERIMENTAL PLANT
Dual drink cover for a container
ActiveCN224739954Uwon't leaveswitch shortcut
The utility model relates to a kind of double-drinking cover of container, including cover body and suction nozzle, the upper surface of cover body is provided with recessed portion, the bottom of recessed portion is provided with through hole;Suction nozzle is located in the part of recessed portion and is provided with drainage port, drainage port is communicated with through hole through recessed portion and constitutes second liquid passage;Switching element that can block or communicate second liquid passage is set in recessed portion;Switching element can be switched in direct drinking and straw drinking mode.
Owner:ZHEJIANG COOLESTS TECH CO LTD
A connecting structure for intelligent induction lamp
The utility model relates to the field of intelligent induction lamp discloses a kind of connecting structure for intelligent induction lamp, including induction lamp, and the rear side of induction lamp is inserted with charging wire, the rear side of induction lamp is equipped with connecting assembly, and the inside of induction lamp is equipped with stabilizing assembly, and the connecting assembly includes fixed ring, and the rear side of induction lamp is fixedly connected in the front side of fixed ring, the outer portion of fixed ring is rotatably connected with swivel, and the inner side of swivel is fixedly connected with four ropes, and the outer portion of rope is equipped with spring one, and the inner side of spring one is fixedly connected with sliding plate, and the inner side of sliding plate is fixedly connected with connecting rod, and the inner side of connecting rod is fixedly connected with clamping block, in the utility model, by rotating swivel, make rope pull sliding plate extrude spring one, simultaneously drive connecting rod pull clamping block to unfold, again charging wire is inserted into induction lamp and is released swivel, it is realized that it can be quickly unlocked and fixed charging wire, simultaneously charging wire cannot be separated from induction lamp when charging.
Owner:VIPO TECH LTD