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1522 results about "Back-up ring" patented technology
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A back-up ring is a rigid ring that holds an elastomeric seal or plastic (such as Polyethylene) connection to its designed shape and in its correct place. Back up rings are commonly used with O-rings, lip seals, and as reciprocating shaft seals. They are also used for piping connections joining two different materials - typically one flexible and one rigid.
High-adaptability jet mill equipment
The invention relates to high-adaptability jet mill equipment, which comprises a jet mill body, which comprises a sorting cavity and a crushing cavity which are communicated up and down; the crushing mechanism comprises a plurality of crushing nozzles which are uniformly distributed; the grading wheel is arranged in the sorting cavity, and one end of the grading wheel is in transmission connection to the output shaft end of the corresponding grading motor; the unblocking mechanism comprises a supporting ring plate fixedly connected to the inner side of the middle of the spacer and a supporting shaft fixedly connected to the center of the fixing plate, a supporting piece is installed at the end of the supporting shaft through a one-way bearing, and the outer end of the supporting piece movably abuts against the supporting ring plate; and the outer end part of the supporting piece is fixedly connected with an elastic shifting piece of which the two sides extend to the space between the two adjacent spacers. The grading wheel can be effectively and automatically cleaned and discharged, so that the grading wheel is effectively prevented from being obviously blocked for a long time, materials meeting the particle size can be continuously, effectively and smoothly output, and then the crushing efficiency of the materials is assisted to be improved.
Owner:FUJIAN LONGYI POWDER EQUIP MFG CO
Lead frame transferring and stacking device
ActiveCN120545223ASemiconductor/solid-state device manufacturingConveyor partsLead frameBack-up ring
A lead frame transferring and stacking device relates to the field of semiconductor production, and comprises a support frame, two ends of which are provided with support rings in the length direction; the turnover mechanism comprises two gear rings which are rotatably mounted on the inner sides of the supporting rings respectively, two bearing plates which are symmetrically arranged and are parallel to the supporting frame in the length direction are arranged between the gear rings, the turnover mechanism is used for placing a transfer frame, and a plurality of lead frames are arranged on the transfer frame in a rectangular array mode; two stop levers which are symmetrically arranged and reciprocate in the width direction of the bearing plate are arranged on the bearing plate, the length direction of the stop levers is parallel to the axis of the gear ring, and the stop levers are used for limiting the lead frame; the bearing mechanism comprises two supporting plates which are arranged on the two sides of the supporting frame in the length direction respectively and move in the width direction and the vertical direction of the supporting frame, a plurality of material frames arranged at intervals are arranged on the top faces of the supporting plates in the length direction of the supporting plates, and during application, the upper ends of the material frames abut against the transfer frame and are used for collecting the lead frames. According to the device, the lead frames can be automatically stacked in the material frame, and the efficiency is improved.
Owner:SICHUAN XUMAO MICRO TECH CO LTD
Powder forming hydraulic machine
According to the powder forming hydraulic machine, a servo motor and an automatic control system are arranged, a gear disc is in transmission connection with the servo motor through a gear, the automatic control system can control the precision of vertical rotation of the gear disc, and therefore the precision of material adding and reducing of the hydraulic machine is guaranteed while automatic material adding and reducing are achieved through the hydraulic machine; the supporting rings are two opposite semicircular steel rings, the supporting rings are located in the circular grooves formed in the inner ring of the gear disc, the gear disc can move up and down to drive the supporting rings to move up and down, when the lower pressing head needs to be replaced, only the two semicircular supporting rings of the supporting rings need to be detached, then the core rod is removed, the lower pressing head can be separated from the female die plate, and the replacement time of the lower pressing head is shortened.
Owner:河南中南工业有限责任公司
Fireproof power cable with long service life
The utility model discloses a fireproof power cable with a long service life, comprising an inner sheath and conductors, the inner sheath is internally provided with the conductors distributed in an annular array, the outer surface of each conductor is fixedly sleeved with an insulating layer, the outer surface of each insulating layer is fixedly sleeved with a protective layer, the inner sheath is internally provided with a filling body, and the inner sheath is internally provided with an outer sheath. The filling body is used for carrying out filling protection on the outer sides of the multiple protection layers, circular holes distributed in an annular array mode are formed in the front face of the inner sheath, the inner walls of the circular holes are fixedly connected with liquid cooling pipes in a sleeving mode, and elastic supporting blocks distributed in an annular array mode are fixedly connected to the outer surface of the inner sheath; the outer surface of the inner sheath is fixedly sleeved with filling blocks distributed in an annular array, through the arrangement of the high-elastic buffer sheath, the elastic supporting blocks and the supporting rings, pressure caused by the external environment to the cable is buffered and absorbed, the cable structure is prevented from being damaged, and the service life of the cable is prolonged.
Owner:JIANGSU BOYUE CABLE TECH CO LTD
High-pressure-difference submarine cable cabin-penetrating sealing structure for testing wet-type electric connector
The utility model discloses a high-pressure-difference submarine cable cabin-penetrating sealing structure for testing a wet-type electric connector, which belongs to the technical field of submarine cable cabin-penetrating sealing and comprises a pressure vessel cabin wall, a cabin wall flange is arranged in the pressure vessel cabin wall, a screw is arranged on the surface of the cabin wall flange, a submarine cable body is arranged in the cabin wall flange, and the submarine cable body is connected with the cabin wall flange. V-group compression nuts are arranged at the two ends of the bulkhead flange, a V-group pressure pad is arranged in the bulkhead flange corresponding to the submarine cable body, and a V-group support ring is arranged on one side of the V-group pressure pad; according to the utility model, the V-group pressure pads, the V-group support rings, the V-shaped seals and the V-group pressure rings are tightly attached to the submarine cable, so that high-pressure-difference sealing is realized, the combination direction of the V-group seals can be determined according to the water pressure direction, and the high pressure difference is realized by adjusting the number of single V-shaped seals through different pressure differences; the problem of unsafe factors in the test of the cabin-penetrating sealing structure which cannot bear high pressure difference in the prior art is solved, and the test operation risk is reduced.
Owner:DALIAN TECHTENSION IND CO LTD
Cofferdam backfill supporting device
The invention relates to the technical field of water conservancy project cofferdam construction, and discloses a cofferdam backfill supporting device which comprises a filler pipeline, a guide part is arranged on the filler pipeline, a positioning groove is formed in the outer wall of the filler pipeline, a supporting part is arranged on the filler pipeline, and the supporting part comprises a first supporting ring and a second supporting ring. The first supporting ring is slidably connected with the outer wall of the filling pipeline, a support is fixedly connected between the first supporting ring and the second supporting ring, a positioning part is arranged on the support and comprises a rod sleeve, and the rod sleeve is fixedly connected to the support. The guiding part and the supporting part are matched to avoid inclination and deviation of the pipeline, the positioning part and the calibration part are matched to improve the hole site calibration precision, the limiting part achieves conflict-free switching between the calibration part and backfill material injection, finally it is guaranteed that backfill materials are evenly filled, the problems of scattering and cavities do not exist, and the requirements for cofferdam impermeability and structural stability are met.
Owner:ZHONG JIAO YI GONG JU QIAO SUI GONG CHENG YOU XIAN GONG SI
Circumferential welding device for pipeline system of thermal power plant
ActiveCN121267545AWelding/cutting auxillary devicesAuxillary welding devicesFeeler gaugeBack-up ring
The invention relates to the technical field of pipeline welding, in particular to a thermal power plant pipeline system circumferential welding device which comprises a positioning and clamping set used for fixing a pipeline and further comprises a position adjusting set which is arranged on one side of the positioning and clamping set and comprises a movable sliding block. And a mounting seat is mounted at the upper end of the sliding block through a plurality of spring telescopic rods. By means of the alignment welding set and the guide reserving sets evenly distributed in the circumferential direction, the moving pipelines can be automatically guided, self-adaptive fine adjustment can be provided in the butt joint process of the two pipelines, the coaxiality can be fed back in real time, it is ensured that the ends of the two pipelines and the supporting ring are coaxially distributed, manual repeated calibration is not needed, and the production efficiency is improved. And in addition, the width of the welding seam between the two pipelines can be determined in the one-time alignment process, a feeler gauge does not need to be used for repeatedly detecting and adjusting the distance between the pipelines, and the pipeline welding efficiency is improved.
Owner:CHINA ENERGY ENG GRP TIANJIN ELECTRIC POWER CONSTR CO LTD
Precisely-positioned thin-wall refrigeration pipe deformation-free welding tool
The invention relates to the technical field of welding, and discloses a precise positioning thin-wall refrigeration pipe deformation-free welding tool which comprises positioning plates, the bottom ends of the positioning plates are slidably connected with the top end of a workbench, the positioning plates are symmetrically distributed with the median line of the workbench as the center, and one end of one positioning plate is provided with an outer pressing piece for limiting the outer wall of a pipeline; an inner supporting piece for supporting the inner wall of the pipeline is arranged at the end, close to the outer pressing piece, of the other positioning plate. The inner supporting piece is provided with the supporting rings, the supporting rings are located on the two sides of a pipeline welding seam correspondingly, different-diameter parts of the reducer pipe can be supported correspondingly, the inner supporting piece adapts to refrigeration pipes with different pipe diameters, the universality of the inner supporting piece is improved, and the welding supporting requirements of the refrigeration pipes of various specifications can be met; the two supporting rings are arranged on the same circular shaft, the coaxiality of the two supporting rings is guaranteed, then it is guaranteed that the circle centers of the two parts of the reducer pipe are always coaxial, and the position precision of a pipeline can be maintained in the welding process.
Owner:GUANGDONG ZHONGWEITONG HEAT EXCHANGE EQUIP CO LTD
Abrasive particle flow device of diffuser and using method of abrasive particle flow device
The invention belongs to the field of machining, and discloses a diffuser abrasive particle flow device and a using method thereof.A clamp base is provided with a clamp base circulation hole, the upper portion of the clamp base circulation hole is connected with an inner type lower cover plate through a supporting rod, the edge of the inner type lower cover plate is provided with a sealing gasket, and an inner type upper cover plate is arranged above the inner type lower cover plate; a sealing gasket is arranged on the edge of the inner upper cover plate; the upper end of the clamp base is connected with an outer supporting ring, and a sealing gasket is arranged between the clamp base and the outer supporting ring in a sealed mode. An exterior upper cover plate is arranged above the outer supporting ring, an exterior upper cover plate circulation hole is formed in the exterior upper cover plate, and a sealing gasket is arranged between the outer supporting ring and the exterior upper cover plate in a sealed mode. A gap allowing abrasive particle flow to enter a part channel of a part is reserved between the outer shape upper cover plate and the inner shape upper cover plate, and the outer shape upper cover plate is detachably and fixedly connected with the clamp base. By means of the clamping device, the diffuser can be stably clamped, and the roughness of an inner cavity channel of the diffuser can be improved through the abrasive flow machining technology.
Owner:AECC AVIATION POWER CO LTD
Detachable special-shaped flow channel central shaft of mining disc filter
The invention relates to a detachable special-shaped flow channel central shaft of a mining disc filter, which comprises a central cylinder, an annular plate is arranged in the middle of the central cylinder, and a plurality of detachable special-shaped flow channels are respectively arranged on the central cylinder on two sides of the annular plate. The runner is placed on the runner supporting ring and is radially fixed through the runner locking ring and the tensioning device, end face flanges are arranged at the two ends of the center cylinder respectively, the outer end of the runner is inserted into special-shaped holes in the end face flanges, and the inner end of the runner is axially jacked through a jacking device arranged on an annular plate. And the whole central shaft is simple in structure, easy to manufacture and short in production period, solves the problems that the central shaft of the filter cannot be detached and is inconvenient to replace after being abraded, and is more suitable for mining filters with higher requirements on wear resistance.
Owner:CITIC HEAVY INDUSTRIES CO LTD
Anti-deviation intelligent welding equipment for metal parts
Anti-deviation intelligent welding equipment for metal parts belongs to the technical field of metal part welding and comprises a base, a fixing plate and a metal pipe body, supporting frames are symmetrically and fixedly connected to the top of the base at equal intervals, and supporting rings are rotationally connected to the sides, close to each other, of the two supporting frames in each set. During welding, a laser head focuses a light beam to heat and melt a seam to form a molten pool, metallurgical bonding is achieved, aiming at an annular seam, the laser head synchronously moves along with rotation of a pipe body, parameters are adjusted to guarantee welding seam forming, meanwhile, a welding path is formed through a symmetrical attaching rod and a fixing cylinder, the laser head dynamically moves, and the welding position is kept at the center of the seam; and the rotating handle can be rotated to drive the scraping plate to scrape an oxide layer and burrs on the surface of the joint, laser energy waste is avoided, efficiency is guaranteed, in addition, the protruding block is matched with the reciprocating rod, the air blowing cylinder cleans dust and residues on the joint, and welding quality and cleaning efficiency are guaranteed.
Owner:HUIZHOU JIXIN RUIDA TECHNOLOGY CO LTD
Positioning device for embedded connector of cast-in-situ bored pile body
The utility model relates to the technical field of cast-in-situ bored pile body pre-embedded connector positioning, and discloses a cast-in-situ bored pile body pre-embedded connector positioning device which comprises a supporting cage used for supporting, the inner wall of the supporting cage is connected with a plurality of sliding rails through inserting assemblies so that the supporting cage and the sliding rails can be detached. Sliding blocks are slidably connected to the interiors of the multiple sliding rails, supporting rings are fixedly connected to the sides, close to each other, of the multiple sliding blocks so as to control the supporting rings to slide in the sliding rails, and the reinforcement cage body is connected with the supporting rings through a quick release structure so as to be used for disassembly between the reinforcement cage body and the supporting rings. According to the utility model, the reinforcement cage body slides in the slide rail, so that the depth and the direction of the embedded connector of the pile body are accurately controlled, and meanwhile, the embedding and positioning efficiency of the embedded connector of the pile body of the cast-in-situ bored pile is improved through a simple structure and operation.
Owner:WUHAN YUCHENG QINGSHAN MUNICIPAL ENGINEERING CO LTD
Pipeline sealing detection device
The invention discloses a pipeline sealing detection device, and the device comprises a supporting cylinder which is arranged in the axial direction of a pipeline; the two pairs of supporting rings are vertically and fixedly arranged at the two ends of the supporting cylinder respectively, a first annular cavity is formed between each pair of supporting rings, and a second annular cavity is formed between the two pairs of supporting rings; the two annular air bags are arranged in the first annular cavities respectively, and each annular air bag is provided with a first air inlet valve and a first air outlet valve which are communicated with the interior of the supporting cylinder; the pressure sensor is arranged in the second annular cavity, and the second annular cavity communicates with the interior of the supporting cylinder through a second air inlet valve and a second air outlet valve; wherein the annular air bag is arranged to be in sealing contact with the inner wall of the pipeline when a preset amount of gas is inflated into the annular air bag. The pipeline sealing detection device has the advantages of being short in inflation time, high in detection efficiency and the like.
Owner:CHINA HARBOUR ENGINEERING
Molding and cooling device for PVC threading pipe
The utility model belongs to the field of plastic pipes, and particularly relates to a PVC threading pipe forming cooling device which comprises a water tank, a water pump is fixedly connected to the side face of the water tank, the water inlet end of the water pump is fixedly connected with a water inlet pipe, and the water inlet pipe is inserted into the water tank. A bin body is fixedly connected to the top of the water tank, a plurality of supporting rings are fixedly connected to the inner side wall of the bin body, and through holes are formed in the two sides of the bin body; a plurality of fixing seats are arranged on the supporting ring, the fixing seats are annularly arranged on the supporting ring, nozzles are fixedly connected to the fixing seats, and during use, a PVC threading pipe enters the middle of the supporting ring from a through hole in the side face of the bin body, and then the PVC threading pipe is fixed to the middle of the supporting ring through the nozzles distributed annularly. According to the cooling device for the PVC threading pipe, the PVC threading pipe located in the middle is cooled together, so that the cooling uniformity can be improved, and the defects caused by non-uniform cooling, especially the large-diameter PVC threading pipe, are reduced.
Owner:HENAN HECAI PIPELINE CO LTD
Metal pipe cutting device
PendingCN120816160AMetal working apparatusLaser beam welding apparatusPipe fittingStructural engineering
The invention relates to the technical field of pipe cutting, and discloses a metal pipe cutting device which comprises a cutting table, and a cutting machine, a first supporting ring and a second supporting ring are sequentially arranged on the top face of the cutting table. Wherein the first supporting ring is fixedly connected to the top face of the cutting table, a first supporting assembly is arranged on the inner ring side of the first supporting ring, and the supporting end of the first supporting assembly makes rolling contact with the pipe so that the pipe can be connected with the first supporting ring in a sliding mode and fixed to the axis of the first supporting ring; the second supporting ring is slidably connected with the cutting table, a second supporting assembly is arranged on the inner ring side of the second supporting ring and comprises a supporting plate connected with the pipe so that the pipe can be fixed relative to the second supporting ring, a driving unit is arranged on the second supporting ring, and the driving end of the driving unit is connected with the supporting plate. The supporting plate moves in the axial direction of the pipe fitting and is used for enabling the pipe fitting to stretch out of the second supporting ring in the axial direction. The cutting efficiency and effect of the metal pipe can be improved, and the utilization rate of cut tailings is increased.
Owner:DINGZHOU ZHONGCHENG TECHNOLOGY DEVELOPMENT CO LTD
Floating type connection terminal
ActiveCN223230620USecuring/insulating coupling contact membersStructural engineeringMechanical engineering
Owner:HUIZHOU NISOCO CONNECTION TECH CO LTD
Tapered roller bearing machining device and machining process thereof
The invention relates to the field of bearings, in particular to a tapered roller bearing machining device and a machining process thereof. The machining device comprises a supporting ring, the cross section of the supporting ring is in an L shape, a plurality of protruding strips are annularly arranged on the supporting ring, when the bearing is machined, the supporting ring is placed in a horizontal state, an inner ring is placed on the protruding strips, the inner ring is sleeved with an isolation frame, and then the supporting ring supports the isolation frame; at the moment, a plurality of tapered rollers are placed in a plurality of through holes in the isolation frame, the tapered rollers are inserted into the tapered roller path, the outer edge of the supporting ring supports the tapered rollers, and then the outer ring is buckled on the outer sides of the tapered rollers, so that the tapered roller bearing is convenient to assemble and machine. Assembling and machining of a plurality of tapered rollers in the tapered roller bearing are facilitated, and the tapered rollers are prevented from falling off during assembling.
Owner:ZHEJIANG JINGLI BEARING TECH CO LTD
Visual switch cabinet anti-condensation device and use method
PendingCN120357285ADrying gas arrangementsSubstation/switching arrangement casingsStructural engineeringMechanical engineering
The invention relates to the technical field of visual switch cabinet protection, and discloses a visual switch cabinet anti-condensation device and a use method.The visual switch cabinet anti-condensation device comprises a cabinet body, an exhaust fan is fixedly arranged at the lower end of the back side of the cabinet body, an air inlet and an air outlet of the exhaust fan are communicated with an air inlet pipe and an air outlet pipe respectively, and the upper end of the air inlet pipe penetrates into the cabinet body; a supporting ring is fixedly arranged at the upper end of the inner wall of the cabinet body, mounting plates are fixedly arranged at the four corners of the inner wall of the supporting ring, a vertical rod is rotationally arranged in each mounting plate in a penetrating mode, the lower end of the rod wall of each vertical rod is fixedly sleeved with a synchronous wheel, the outer sides of the multiple synchronous wheels are jointly sleeved with a synchronous belt in a transmission mode, and an elastic rubber block is fixedly arranged on the outer wall of the synchronous belt. And a scraping plate is fixedly arranged at the bottom of the elastic rubber block. According to the visual switch cabinet anti-condensation device and the use method, condensation attached to the inner wall of the switch cabinet can be effectively cleaned and discharged outwards, meanwhile, it is guaranteed that the interior of the switch cabinet is dry, and it is guaranteed that components in the switch cabinet can stably operate.
Owner:SHENNONGJIA FOREST REGION POWER SUPPLY CO LTD HUBEI ELECTRIC POWER CO
Welding device for machining
PCT designated stageWO2026007064A1Welding/cutting auxillary devicesAuxillary welding devicesGear wheelElectric machinery
Provided is a welding device for machining, comprising a frame (1), clamping mechanisms (2), a support ring (3), an angle adjustment mechanism (4), an electric telescopic rod (5), a connecting frame (6) and a welding machine (7). One clamping mechanism (2) is mounted on each of the left and right sides of the frame (1); the support ring (3) is arranged in the frame (1); the angle adjustment mechanism (4) is mounted on the support ring (3); the angle adjustment mechanism (4) comprises: a driving motor (401), a pinion (402), a large gear (403) and an extension plate (404), wherein the driving motor (401) is fixed to a connecting plate (301), the pinion (402) is mounted on an output shaft of the driving motor (401), the large gear (403) meshing with the pinion (402) is mounted on the lower side of the pinion (402), the extension plate (404) is fixed to the front side of the large gear (403), and the electric telescopic rod (5) is mounted on the extension plate (404); an output end of the electric telescopic rod (5) is fixed to the connecting frame (6); the welding machine (7) is mounted in the frame (1); and a welding head (701) is connected to the welding machine (7). The welding device is convenient to use, and facilitates annular welding of a circular pipeline.
Owner:ZHANG PINGSU
Domestic appliance operating device having a ring as operating element, and domestic appliance
PCT designated stage expiredWO2025114186A2Controlling membersDomestic stoves or rangesHome applianceMechanical engineering
One aspect of the invention relates to a domestic appliance operating device (5) having a ring as operating element (6), which ring comprises a fixed support ring (17) on which a separate operating ring unit (18) of the ring is rotatably mounted, wherein the operating ring unit (18) peripherally surrounds the support ring (17), wherein, on an outer side (19a, 19b), the operating ring unit (18) is formed at least in areas as an electrode of a capacitive sensor (S) of the domestic appliance operating device (5).
Owner:BOSCH SIEMENS HAUSGERATE GMBH
Single-core indoor and outdoor cold shrinkage terminal
The utility model relates to the technical field of cable installation and arrangement, and discloses a single-core indoor and outdoor cold shrinkage terminal head, which comprises an insulating tube, a supporting core rope is arranged in the middle of the insulating tube, a sealing ring is fixedly connected to the periphery of the insulating tube, a rubber sleeve is fixedly connected to the middle of the sealing ring, a sleeve is fixedly connected to the middle of the insulating tube, and the rubber sleeve is fixedly connected to the middle of the sleeve. A sealing film is fixedly connected to the middle of the sleeve, a sliding pipe is connected to the middle of the sleeve in a sliding mode, a clamping assembly is installed in the middle of the sleeve and comprises a supporting clamping ring, and the supporting clamping ring is fixedly connected to the middle of the sleeve. According to the utility model, firstly, the insulating tube is sleeved on the cable joint, and after the supporting core rope is pulled and drawn away, the rubber sleeve is pressed, so that the supporting ring is pushed, the sliding tube on the supporting ring can be inserted into the sleeve and the sealing film is punctured, and then the stability and the service life of the cold shrink terminal after installation are ensured under the filling and adhesion of glue.
Owner:ZHEJIANG ZHIJIAN ELECTRIC CO LTD
Method for achieving deep energy-saving sealing through sealing ring
The invention provides a method for achieving deep energy-saving sealing through a sealing ring, and relates to the technical field of sealing elements. The sealing performance and the service life of the sealing ring under high-temperature, high-pressure and complex working conditions are remarkably improved and prolonged through key technical means of material composite modification, a multi-stage sealing structure, intelligent installation feedback and running state online monitoring. Graphene and ceramic micro powder are added into a silicone rubber base material, and a low-friction PTFE coating is sprayed, so that the durability and the self-lubricating property of the material are improved; the sealing ring main body adopts a double-lip structure to be matched with the central supporting ring, so that the compression resistance and buffering capability are enhanced; the pressure sensor and the image recognition module are integrated, intelligent feedback control in the installation process is achieved, and the intelligent pressure sensor has the advantages of being low in sealing leakage rate, capable of reducing energy consumption, long in service life and high in intelligent degree, is suitable for various industrial application scenes of hydraulic systems, pneumatic actuators, valves and pipeline connection and has good popularization value and industrialization prospects.
Owner:XIAMEN ASH TRANSFER VALVE CO LTD
Pile hole acceptance device and acceptance method thereof
The invention discloses a pile hole acceptance device and an acceptance method thereof, the acceptance device comprises a support ring horizontally placed on the ground at the top of a pile hole, and the ring center of the support ring is opposite to the pile opening axis of the pile hole; the center of the balance weight part is connected to the ring center of the supporting ring through a measuring rope, the diameter of the balance weight part meets the requirement that the balance weight part can be put into the pile hole and can move up and down in the axial direction of the pile hole, and the length of the measuring rope is adjustable; the monitoring ring is arranged parallel to the supporting ring, the diameter of the monitoring ring is smaller than the designed hole diameter of the pile hole, the monitoring ring is located below the supporting ring, the monitoring ring is connected with the supporting ring through a connecting rod, the ring center of the monitoring ring is vertically opposite to the ring center of the supporting ring, and the diameter of the monitoring ring is smaller than the designed hole diameter of the pile hole. A graduated scale is connected in the monitoring ring in the radial direction, the 0 scale on the graduated scale is right opposite to the ring center of the monitoring ring, and the acceptance inspection precision is improved by arranging the acceptance inspection device.
Owner:CHINA CONSTRUCTION EIGHTH BUREAU (INNER MONGOLIA) CONSTRUCTION CO LTD
Bumping and falling prevention structure for balancing weight of suspension cover
The utility model relates to an anti-bumping and anti-falling structure for a balancing weight of a suspension cover, which comprises a wheel center cover, a supporting ring is turned on the inner side wall of the wheel center cover, and a balancing weight mounting groove is further formed in the inner side wall of the wheel center cover; the balancing weight is installed in the balancing weight installation groove, the outer wall of the lower end of the balancing weight makes contact with the inner wall of the supporting ring, and the supporting ring provides supporting force opposite to the vertical downward gravity of the balancing weight. According to the jolting and falling prevention structure of the suspension cover balancing weight, the supporting ring is turned, the bottom and the side wall of the balancing weight are bonded through gum, due to the fact that the supporting ring is additionally arranged, vertically-downward force is counteracted by the supporting ring, the balancing weight cannot fall off due to gravity during jolting, the product structure is adjusted through the design of the supporting ring, material waste is not involved on the whole, and the product quality is improved. And the processing time is prolonged.
Owner:JIANGSU GATES AUTO PARTS CO LTD
Demolding structure for injection molding of plastic product
The utility model discloses a demolding structure for injection molding of a plastic product, and relates to the technical field. The device comprises an injection molding structure which comprises a base, a mounting frame fixedly arranged on one side above the base, a hydraulic rod I fixedly arranged in the mounting frame, an upper mold positioned at the telescopic end of the hydraulic rod I, an injection molding pipe communicated with the upper mold, a supporting pipe rotationally arranged in the base in a penetrating manner, and a lower mold distributed at the upper end of a turntable; and; a demoulding structure, comprising a second hydraulic rod, a push plate located at the telescopic end of the second hydraulic rod, a stroke opening formed in a lower die and a rotary disc, an ejector block located in the stroke opening, an ejector rod located at the lower end of the ejector block, a semicircular cover fixedly arranged at the upper end of a base, a supporting ring connected to the outer wall of the ejector rod in a sleeving mode, an ejector ring connected to the outer side of the ejector rod in a sleeving mode, and a spring fixedly arranged between the ejector ring and the supporting ring. According to the utility model, the demoulding structure is arranged, so that the problems that the injection mould cannot be used when demoulding is carried out after mould opening, and the processing efficiency of an injection-molded part is reduced are solved.
Owner:KUNSHAN TOPBAO METAL PLASTIC CO LTD
Sound insulation and noise reduction water supply and drainage pipeline
The invention discloses a sound insulation and noise reduction water supply and drainage pipeline, and belongs to the technical field of water supply and drainage pipelines, the sound insulation and noise reduction water supply and drainage pipeline comprises a pipeline body and a connecting mechanism, the pipeline body comprises an outer pipe body, an inner pipe body, a supporting ring and a sealing ring, and an exhaust mechanism is arranged at the top of the outer pipe body and comprises an exhaust pipe, a sealing cover and a one-way valve; the two ends of the outer side of the outer pipe body are fixedly sleeved with fixing rings. The connecting mechanism comprises a front connecting base, a rear connecting base, a connecting frame, a fixing frame and a plug pin. The interlayer space between the inner pipe body and the outer pipe body is vacuumized and reliably sealed, the transmission path of sound in the structure is effectively cut off, outward transmission of noise generated by water flow in the pipe and vibration of the pipe is remarkably blocked in the vacuum state, and the overall sound insulation performance is greatly improved; the core measure is supplemented with the design of the supporting ring and the elastic sealing ring, vibration buffering is provided at a key connecting point, energy is absorbed and dissipated, and excellent environmental noise control is comprehensively achieved.
Owner:HUANGSHAN QIXIA CONSTRUCTION ENGINEERING CO LTD
Regulating valve for ultrahigh pressure polyethylene device
The utility model relates to a regulating valve for an ultrahigh-pressure polyethylene device, which comprises a filler assembly, a main sealing filler group, an inner auxiliary sealing filler group and an outer auxiliary sealing filler group, the main sealing packing set is provided with inverted-V-shaped supporting rings and PTFE sealing rings which are alternately arranged. A first cavity is formed between the supporting ring and the teflon sealing ring; the inner auxiliary sealing packing group is provided with a C-shaped ring with a downward opening; the outer auxiliary sealing filler set is provided with an upper filler, a plurality of middle fillers which are overlapped and are in an inverted V shape are arranged between the lower filler and the upper filler, and a second cavity is formed between the middle fillers. When the main sealing filler is extruded by a high-pressure medium, the inner wall face and the outer wall face of the teflon sealing ring are opened outwards, and the inclined faces are fully extruded to achieve ultrahigh-pressure environment sealing.
Owner:WUZHONG INSTR
Valve actuator and using method thereof
PendingCN121611775ADiaphragm valvesOperating means/releasing devices for valvesValve actuatorDiaphragm valve
The invention relates to the field of diaphragm valve control mechanisms, in particular to a valve actuator and a using method thereof.The valve actuator comprises a valve body and a valve deck fixed to the top of the valve body and further comprises an actuator mechanism, and the actuator mechanism comprises a lower cylinder cover, a cylinder body and an upper cylinder cover which are vertically communicated in sequence; a piston rod penetrating out of the valve deck downwards is arranged in the middle of the upper cylinder cover in a penetrating mode, and the cylinder body is divided into an upper air chamber and a lower air chamber by a piston disc outside the piston rod. The rotatable sliding ring is arranged to be communicated with the upper air pipe connector and the lower air pipe connector, two-degree-of-freedom flexible adjustment of the circumferential position and the rotation direction of the air pipe connector is achieved, and the problem of installation adaptation caused by the fact that the position of an existing actuator air pipe connector is fixed is solved; the sliding ring is unlocked by squeezing the two sets of elastic pieces to be close to the supporting ring, the air pipe connector is driven to adjust the circumferential distribution position so as to adapt to different circumferential layouts of external air path connectors, and operation is convenient and fast.
Owner:DONJOY TECH CO LTD
Power distribution network overhead line spacer
PendingCN120473914AMaintaining distance between parallel conductorsDevices for damping mechanical oscillationsStructural engineeringBack-up ring
The invention discloses a power distribution network overhead line spacer, and relates to the technical field of spacers. A reinforcing frame is fixed in the supporting ring, a first annular groove is formed in the circumferential face of the supporting ring, and evenly-distributed through holes are formed in the front end and the rear end of the interior of the first annular groove; the connecting assembly comprises connecting blocks and connecting frames, the evenly-distributed connecting blocks are slidably connected into the first annular groove, the two corresponding connecting frames are fixed to the front side and the rear side of the first annular groove, and the two connecting frames are attached to the front side and the rear side of the supporting ring correspondingly; a length adjusting assembly is installed on the side face, located outside the first annular groove, of the connecting block, a supporting assembly is installed on the side face of the length adjusting assembly, and a wiring assembly is installed on the side face of the supporting assembly. And meanwhile, installation can be rapidly conducted according to requirements, and different numbers of guides can be conveniently adapted.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
Conveying equipment for bearing assembly
The invention provides conveying equipment for bearing assembly, and relates to the technical field of transportation equipment.The conveying equipment comprises a primary conveying support, the primary conveying support comprises a conveying frame, a conveying sliding groove is formed in the conveying frame, two pairs of transmission cams are longitudinally and rotationally installed at the top of the conveying frame, and connecting rods are fixedly installed at the bottoms of the transmission cams; a clamping transmission frame is hinged to the bottom of each pair of transmission cams and slidably installed in a conveying sliding groove in the conveying frame, a clamping sliding frame is transversely installed on the clamping transmission frames in a left-right sliding mode, and a plurality of separation sliding blocks are transversely installed on the clamping sliding frame in a front-back sliding mode. The bearing inner and outer rings with different diameters can be clamped and transported through the clamping sliding frame and the separation sliding block, the distance between the inner and outer rings is evenly kept, detection and installation are convenient, the positions of the bearing inner and outer rings can be fixed in the transportation process through the annular supporting frame and the supporting ring set, and detection and installation are convenient.
Owner:GAOTANG JINXIANG AUTOMOBILE COMPONENTS CO LTD