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1930 results about "Back-up ring" patented technology

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.

Centrifugal air conditioner gas-liquid separator

The invention provides a centrifugal air conditioner gas-liquid separator, and belongs to the technical field of gas-liquid separators, the centrifugal air conditioner gas-liquid separator comprises a cylinder body and a cylinder cover, the cylinder body is connected with a drainage pipe and an air inlet pipe, the cylinder cover is connected with an exhaust pipe, a supporting ring and a fixing ring are arranged in the cylinder body, a drainage plate, a wind shield and a side plate are arranged in the cylinder body, and a backflow pipe is arranged on the outer wall of the cylinder body. The filter assembly comprises a water absorption piece; the extrusion assembly comprises a telescopic air bag and a fixing plate; the guide assembly comprises a drainage cover, an outer tube and an inner tube, and a rotating rod is arranged in the inner tube; the device has the beneficial effects that the wind shield drives the rotating rod to rotate, so that the turbine fan blades rotate to promote gas emission, and meanwhile, the cleaning plate is driven to clean the surface of the lower filter plate, so that the blockage condition is reduced, the filtering effect is improved, timely and effective cleaning is ensured, in addition, the water absorption part can be automatically extruded to drain water, the maintenance and replacement frequency is reduced, and the working efficiency is improved. The use efficiency is improved.
Owner:JIANGSU XU MINE THERMAL CO LTD

Disconnector apparatus

Proposed is a disconnector apparatus including a casing having therein a support ring and one side gear, and a clutch ring having a first clutch part disposed on an inner-diameter portion of the clutch ring at one side of the clutch ring facing one side gear, and a second clutch part disposed on one inner surface of the inner-diameter portion, in which the first clutch part engages with a third clutch part disposed on an outer-diameter portion of the support ring at one side of the support ring, and the second clutch part engages with a fourth clutch part disposed on one surface of the one side gear.
Owner:HYUNDAI TRANSYS INC

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

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

Rotary mounting structure for built-in grate of well lid

The utility model belongs to the technical field of well lid strainers, in particular to a well lid built-in strainer rotary mounting structure, which comprises a well lid, the well lid comprises a well frame, a cover plate and an iron strainer, the inner wall of the well frame is fixedly connected with a support ring, the side wall of the iron strainer is fixedly connected with a plurality of connecting plates, the inner side of the support ring is provided with a plurality of L-shaped clamping grooves, and the L-shaped clamping grooves are fixedly connected with the cover plate. The connecting plates are connected to the inner walls of the corresponding L-shaped clamping grooves in a sliding mode, a plurality of inner grooves are formed in the supporting ring, and wedge blocks are connected to the inner walls of the inner grooves in a sliding mode; the connecting plate is borne and limited through the L-shaped clamping grooves and the wedge blocks, so that rotary installation and locking can be completed only by rotating the iron grate and driving the connecting plate to rotate through the iron grate, installation can be achieved without a traditional threaded connection system, operation is easy, efficiency is improved, bolts and nuts are omitted, and cost is reduced. And the situation that bolts or nuts fall off mistakenly to crush the piping shaft is avoided, and follow-up use of the piping shaft is facilitated.
Owner:HANDAN ZHANGSHUI PUMP IND 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

Open hole packer with large expanding rate

The invention discloses a large-diameter-expansion-rate open hole packer. The large-diameter-expansion-rate open hole packer comprises a rubber sleeve sealing structure and a setting locking structure. The rubber sleeve sealing structure is mainly composed of a supporting ring, a shoulder pad, an end rubber sleeve, a spacer ring and a middle rubber sleeve. The setting locking structure is mainly composed of an upper mandrel, a lock sleeve, a lock ring, an upper hydraulic cylinder, a middle mandrel, a lower hydraulic cylinder and a lower mandrel. The middle core shaft is fixedly, hermetically and buckled at the right end of the upper core shaft, the lower core shaft is fixedly, hermetically and buckled at the right end of the middle core shaft, and the lock sleeve and the lock ring are slidably sleeved on the upper core shaft; the outer diameter of the packer body is smaller than that of a conventional open hole packer body, a larger open hole annulus can be sealed with the smaller outer diameter of a product, and the packer can be put into a well more easily while the sealing performance is guaranteed.
Owner:SUZHOU SHIDAI MACHINERY MANUFACTURING 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

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

Sheet metal part welding fixture

The invention is applicable to the technical field of welding, and provides a sheet metal part welding fixture which comprises a workbench and a translation plate slidably mounted on the workbench, and an electric guide rail a used for driving the translation plate to move is arranged in the workbench; the first positioning mechanism is used for clamping the circular-truncated-cone-shaped sheet metal part and comprises a supporting ring, a vertical frame, a positioning frame and a guide wheel; according to the circular-truncated-cone-shaped sheet metal part clamping device, through cooperative arrangement of the first positioning mechanism, the fixing mechanism and the second positioning mechanism, the problems that most of existing clamps are simple in structure, circular-truncated-cone-shaped sheet metal parts cannot be clamped conveniently, and positioning is not accurate easily are solved; and the production quality of products is seriously influenced.
Owner:CHANGCHUN BOCHENG MASCH CO LTD

Vacuum helium mass spectrum leak detection method and device for corrugated pipe products

The invention provides a vacuum helium mass spectrum leak detection method and device for corrugated pipe products. The vacuum helium mass spectrum leak detection method comprises the following steps that S1, corrugated pipes are fixed through supporting rings; s2, the supporting ring and the supporting plate are assembled; s3, a first O-shaped ring is placed between the corrugated pipe and the upper cover for sealing, and the upper cover, the corrugated pipe and the supporting plate are fixed through studs; s4, the fixed corrugated pipe is placed on a base, a second O-shaped ring is placed between the base and an upper cover for sealing, and bolts are adopted for fixing; s5, the assembled corrugated pipe is vertically placed, a helium mass spectrometer leak detector is connected with a sampling inspection opening in the bottom, and the outside of the corrugated pipe is vacuumized; and S6, connecting the helium tank connected with the pressure reducing valve with a top helium filling port, and filling helium into the corrugated pipe for leak rate inspection. According to the invention, the corrugated pipe is ensured not to be stretched under the stamping condition and not to be distorted and deformed; the effectiveness of sealing between the corrugated pipe and the upper cover is ensured; the detection result is accurate and reliable.
Owner:SHANGHAI AEROSPACE EQUIPMENTS MANUFACTURER CO LTD

Abrasive particle flow device of diffuser and using method of abrasive particle flow device

ActiveCN120170625AEdge grinding machinesPolishing machinesAbrasive flow machiningMachining process
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

Low-pressure pipeline welding device

The invention relates to the technical field of low-pressure pipeline welding, and discloses a low-pressure pipeline welding device which comprises a moving seat, a support, a supporting ring frame, two supporting rods and two mounting hoop rings, the support is fixedly mounted on the top face of the moving seat, and the supporting ring frame is fixedly mounted on the top face of the support; the two supporting rods are symmetrically and fixedly installed on the two side faces of the support, the two installation hoop rings are arranged at the ends of the two supporting rods respectively, and a driving structure is arranged on the supporting ring frame. After welding is completed, through the synergistic effect of an electric push rod and a servo motor, a ball base conducts rhythmic impact on the surface of a weld joint, in the process, an oxide layer formed in the welding process is effectively removed, and non-uniformity or omission possibly caused by manual cleaning is avoided; and in combination with a continuous blowing function of the cooling nozzle, oxide fragments which are knocked down can be effectively removed, the surface of a welding seam is kept clean, and a good foundation is laid for subsequent treatment.
Owner:SHANGAN POWER PLANT OF HUANENG INT POWER CO LTD +1

Crushing and shaping device for negative electrode graphite

The invention relates to the technical field of graphite shaping, in particular to a smashing and shaping device for cathode graphite, which comprises a cylinder, a vertical cylinder is fixed at the center of the inner side of the cylinder, a plurality of concentrically arranged grinding rings are movably arranged on the outer side of the vertical cylinder, and a supporting ring is fixed on the lower side of each grinding ring. A driving mechanism used for driving the adjacent supporting rings to rotate reversely is arranged at the lower end of the vertical cylinder. The multiple supporting rings and the grinding rings are driven to rotate through the driving mechanism, the spaced grinding rings are driven to rotate through the two first traction wheels and the two second traction wheels correspondingly, so that reverse rotation between the adjacent grinding rings is achieved, meanwhile, the two sliding square rods are driven to move in a reciprocating mode through the telescopic mechanism, and the grinding efficiency is improved. And the multiple pushing plates push the graphite particles back and forth between the upper sides of the adjacent reverse grinding rings, the graphite particles at all positions can be ground more uniformly, and the shaping efficiency is improved.
Owner:CHINA MINMETALS GRP (HEILONGJIANG) GRAPHITE IND 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

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

The utility model discloses a floating type connecting terminal, comprising a bearing body which is provided with a through hole and a first accommodating groove; the connecting body comprises a connecting cylinder and a connecting block, the connecting cylinder is located in the through hole, and the connecting block is movably arranged in the first containing groove; the first contact body is positioned in the first accommodating groove; the conducting ring comprises a supporting ring and a plurality of conducting pieces, and the conducting pieces are distributed on the inner wall of the supporting ring at intervals; a first protruding part and a second protruding part which extend reversely are arranged on the side, away from the ring inner wall, of the conducting piece, the first protruding part abuts against the side wall of the first containing groove, and the second protruding part abuts against the connecting block. The distance L is additionally arranged between the connecting block and the bottom wall of the first containing groove, so that the connecting cylinder and the connecting block can move in the distance L. In the moving process, the first protruding part of the first contact body keeps abutting against the side wall of the first containing groove, the second protruding part of the first contact body keeps abutting against the connecting block, the small-range deviation effect of the connecting body is achieved, the deviation problem can be solved, and the service life of the connecting cylinder is prolonged. And the plugging efficiency can be improved.
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

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

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

Vertical launching tube demolding device

ActiveCN222832181UBack-up ringPhysics
According to the vertical launching cylinder demolding device, the launching cylinder can be vertically arranged on the ground through the supporting device, and the vertical launching cylinder demolding device can be prevented from toppling or falling off after a core mold is pulled out; when in use, one end of a conventional device such as a steel wire rope is fixed on the wrapping post of the supporting ring, the other end of the conventional device penetrates through the threading hole of the lower force bearing ring, then penetrates into the wrapping hole of the supporting ring, then winds around the binding post and then winds into the next wrapping post, and so on, and finally, the supporting device and the barrel body of the launching barrel are connected into a whole. And in the subsequent process, only an external lifting device needs to be used for vertically pulling up the core shaft in the barrel body of the launching barrel, the arrangement is convenient to install and use, meanwhile, the reliability is high, the device is suitable for launching barrels of various specifications, the occupied area is reduced through the vertical demolding mode, and the device is suitable for industrial large-scale use and popularization.
Owner:XIAN FREE XINGCHEN AEROSPACE TECH CO LTD

Thermocouple convenient for rapid connection

The utility model discloses a thermocouple convenient for quick connection in the technical field of thermocouples, which comprises a mounting base and a thermocouple connector, the front end of the thermocouple connector is connected with a thermocouple wire, the rear end of the thermocouple connector is connected with a cable, and the center of the mounting base is provided with a through hole for the thermocouple wire to penetrate through; the outer ring of the thermocouple connector is fixedly provided with a baffle ring and a support ring, the baffle ring is internally provided with a plurality of groups of buckle assemblies, an elastic telescopic assembly for driving the plurality of groups of buckle assemblies to open and close at the same time is arranged between the baffle ring and the support ring, and the top of the mounting base is provided with a plurality of groups of clamping holes corresponding to the buckle assemblies one by one. According to the utility model, the problems that the existing thermocouple and the equipment are assembled in a threaded connection mode, the data line at the rear end of the thermocouple is easy to wind when the thermocouple is rotationally connected, the installation mode is relatively tedious, and rapid assembly and disassembly are not facilitated are solved.
Owner:CHENGDU HAIGE ELECTRIC CO LTD