7179 results about "Flange" patented technology

1. Name of the designed product: flange. 2. Use of the designed product: used in hydraulic pump or motor of construction machinery, etc. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: design 1, perspective view 1. 5. Design 1 is specified as the basic design.

The utility model discloses a length-adjustable concrete spreader, which relates to the technical field of concrete spreader, and comprises a support mechanism, a conveying pipeline, a cross arm and an adjusting mechanism, the adjusting mechanism comprises a connecting pipe, an adjusting assembly and a telescopic assembly, connecting flanges are arranged at the two ends of the connecting pipe, the adjusting assembly is arranged at one end of the connecting pipe and comprises an adjusting pipe and an adjusting bolt, the adjusting pipe is inserted into one end of the connecting pipe, an adjusting flange is arranged at one end of the adjusting pipe, and the adjusting bolt is inserted into the adjusting flange and the connecting flange. The telescopic assembly comprises a telescopic pneumatic rod and a moving pipe; the telescopic pneumatic rod is arranged on the side face of the connecting pipe, the movable pipe is inserted into the adjusting pipe, a movable flange is arranged at one end of the movable pipe, and the pneumatic driving end of the telescopic rod is fixedly connected with the movable flange. The length of the conveying pipeline is adjusted by designing an adjusting structure, the construction range is expanded, the installation fault tolerance is improved, and incomplete pouring caused by too large installation deviation is avoided.

The invention belongs to the technical field of bridge engineering, and aims to eliminate the problem of systematic underestimation of web bearing capacity under the condition of standard effective loading length. The invention provides a method for correcting a local pressure bearing capacity calculation formula of a steel beam web, which comprises the following steps of: identifying and determining a key parameter ratio and an engineering application range thereof by carrying out sensitivity parameter analysis on a bending reduction coefficient; on the basis of the reference engineering case, fixed values are taken from part of parameters, and other geometric quantities are inversely calculated; based on a preset variable sequence, finite element models are established in Abaqus in batches, and the ultimate bearing capacity and the flange longitudinal stress level of each model are extracted; the standard calculation value is corrected according to a finite element result, the corrected ultimate bearing capacity of the steel beam web is calculated, and a corrected bending reduction coefficient is obtained accordingly; and finally, fitting a corrected formula about the regularized slenderness ratio on the correction coefficient by taking the specification parameter as an independent variable to obtain an expression capable of directly replacing the original specification. The method can significantly improve the calculation precision.

The invention provides a flange assembly predictive maintenance method based on residual life distribution dynamic identification, which comprises the following steps: firstly, establishing a linear Wiener model of a flange assembly degradation process, and designing a Bayesian parameter dynamic updating mechanism based on normal-inverse gamma conjugate prior; secondly, deducing residual life complete probability distribution considering parameter uncertainty through a Monte Carlo sampling method, overcoming the limitation of point prediction, and providing a maintenance decision rule based on a time-probability threshold; and finally, establishing a decision parameter optimization model with the goal of minimizing the long-term average cost rate, and solving an optimal maintenance strategy through system simulation. Compared with the prior art, the residual life prediction accuracy is remarkably improved, the maintenance cost and the equipment reliability are effectively balanced through a probabilistic decision-making mechanism, the full-life-cycle maintenance cost is remarkably reduced while the flange sealing safety is ensured, and the method has important popularization value in engineering equipment predictive maintenance.

The utility model relates to a turnover internal corner construction formwork which comprises an angle adjusting rod, rotary connecting plates and steel formworks, the length of the angle adjusting rod can be adjusted, the two ends of the angle adjusting rod are connected with the rotary connecting plates respectively, one side of each rotary connecting plate is provided with a set of steel formworks, and the rotary connecting plates are fixedly connected with the steel formworks. Each steel formwork comprises an L-shaped steel plate, a supporting plate and a fixing plate, the edge of one flange of each L-shaped steel plate in the two sets of steel formworks is hinged through a rotating shaft, the opening ends of the L-shaped steel plates of the two sets of steel formworks face the same side, and the supporting plates and the fixing plates are arranged on the edges of the two flanges of each L-shaped steel plate of each set of steel formworks; the supporting plate and the fixing plate are clamped on the two sides of a flange of the L-shaped steel plate respectively and exceed the edge of the flange of the L-shaped steel plate, and the supporting plate, the L-shaped steel plate and the fixing plate are fixedly connected to form a slot. The internal corner construction quality and the construction progress can be improved, and the internal corner can be repeatedly used.

The utility model provides a spring-free type bushing end screen, which belongs to the technical field of bushing end screens and comprises a flange seat, an insulating sealing sleeve is embedded in an inner cavity of the flange seat and is clamped in the inner cavity of the flange seat through a locking component, and a locking thread is arranged at the end part, far away from the flange seat, of a binding post along the outer wall. The inner wall of the side, away from the flange hole, of the flange base is in threaded connection with a grounding piece, the grounding piece is arranged outside the locking thread in a sleeving mode, anti-skid lines are arranged on the outer wall of the grounding piece in the circumferential direction, external threads are formed in the bottom of the outer wall of the grounding piece in the circumferential direction, internal threads are formed in the top of the inner wall of the flange base, and therefore the grounding piece is in threaded connection with the top of an inner cavity of the flange base. After the grounding piece is in threaded connection with the flange seat, the end screen is in a continuous grounding state, stable operation of the transformer is guaranteed under the condition that overall stability is guaranteed, and the protection effect is enhanced.

A modular hydraulically-adjustable preload and / or cross-over system. The system includes a housing configured to couple with a main damper cylinder, the housing including a slave cylinder within a portion of a slave cylinder chamber, the slave cylinder telescopically movable with respect to the housing; a fluid chamber; and a fluid port configured to provide a fluid flow for the fluid chamber, wherein an increase in a fluid volume within the fluid chamber causes a portion of the slave cylinder to telescopically extend from the slave cylinder chamber. A preload flange coupled with the slave cylinder at an end of the housing such that a change in a location of the slave cylinder causes a change in a location of the preload flange.

The invention relates to the technical field of welding, and discloses a numerical control welding device for special-shaped seams, which comprises a welding table, the welding table is rotatably connected with a turntable, the turntable is fixedly provided with a limiting seat, the limiting seat is provided with a flange pipe, and the limiting seat is slidably connected with a T-shaped abutting block and two L-shaped limiting blocks. A movable mechanical clamping jaw is arranged above the rotary disc, a branch pipe is clamped on the mechanical clamping jaw, a mechanical arm is fixed to the welding table, and a welding gun is installed on the mechanical arm. Movable sliding seats are arranged on the two sides of the limiting seat, tooth blocks are rotationally connected to the sliding seats, and arc-shaped cleaning seats are fixed to one ends of the tooth blocks, so that the circle center of a branch pipe and the circle center of an opening of a flange pipe can be conveniently located on the same straight line, the positioning accuracy can be improved, and the defects of weld joint dislocation, incomplete fusion or undercut are prevented. And therefore, the welding precision and quality are improved.

The invention belongs to the technical field of metallurgical continuous casting equipment, and particularly relates to a pulling plate type free adjusting mechanism of a crystallizer foot roller, which comprises a lower flange, a plurality of groups of foot roller frames are fixed on the lower flange, and guide grooves are arranged on opposite sides of two adjacent groups of foot roller frames. The roller gap value is rapidly and accurately adjusted by rotating the pulling plate adjusting bolt, different production requirements are met, the production efficiency is improved, the foot roller can be continuously used through adjustment when the foot roller is slightly abraded, the replacement amount of the foot roller is reduced, the service life of the foot roller is prolonged, the cost is reduced, the use efficiency of equipment is improved, and the pulling plate can be pulled out. The roller assembly is convenient to adjust and replace, the workload of disassembling parts during overhauling is reduced, manpower and material resources are saved, the equipment maintenance cost is reduced, the downtime is shortened, meanwhile, the overall structural design is beneficial to precise control over roller gaps, safe use of equipment is guaranteed, and then the casting blank quality is improved.

A combined rig and rigless deployed completion system includes a rig deployed dual flow mandrel arranged in a mandrel section of a pipeline. The dual flow mandrel includes a cylindrical mandrel body with a wall defining an interior volume, and a mandrel partition arranged in the interior volume. The mandrel body has a set of radial ports defined in the wall. The mandrel partition includes a barrel and at least two flanges. The barrel is concentrically arranged in the interior volume of the mandrel body and defines a central channel extending from the first end to the second end of the mandrel body. The flanges protrude radially from the barrel and extend longitudinally along an outer face of the barrel to contact the interior surface of the mandrel body. The barrel and the mandrel body define an annular space and the flanges partition the annular space into annular channels.

The invention belongs to the technical field of flange machining, and particularly relates to a multi-shaft drilling device for flange machining, the multi-shaft drilling device comprises a to-be-machined flange body, a drilling platform, flange clamps and a drilling bit, at least two evenly-distributed moving grooves are formed in the top of the drilling platform, and each moving groove is internally and movably provided with one flange clamp; the flange body to be machined is arranged in the center of the top of the drilling platform and located between the flange clamps. According to the device, when the linear moving frame moves downwards, the vertical frame drives the first piezoelectric plate to move downwards until the first piezoelectric plate is in contact with the second piezoelectric plate, so that the switch electromagnetic block is electrified, and then the magnetic sliding block drives the pushing frame to slide in the direction away from the switch electromagnetic block under the action of magnetic repulsive force of the switch electromagnetic block and the magnetic sliding block, that is, the pushing frame drives the flange clamp to move; and all the flange clamps are made to make folding movement, so that the flange body to be machined is fixed to the center of the drilling platform, the drilling position is more accurate, and the positioning action is automatically completed.

A support assembly comprises a hub slidably coupled to a crossbar to support a sprinkler. A pair of opposed clip assemblies comprising a frame and a bracket couple the crossbar to the ceiling channel on either side. The frame comprises an opening that supports one end of the crossbar, a skirt with an elongated slot, and a leg that extends over the channel. The bracket couples to the frame to lock the clip assembly on the ceiling channel. The bracket comprises a ridge at one edge and a flange at an opposite edge. The ridge is configured to couple to a sidewall of the ceiling channel, and the flange is configured for a user to compress and tighten the bracket. A pair of opposing clamps on either side of the bracket ensures that the frame is securely coupled to the ceiling channel.

A method of placing a pipe coupling on a pipe is described. The method includes providing a coupling band and a clamping flange that extends from each one of opposing ends of the coupling band, providing removable clamp tightening parts including a set of opposing clamping ears and a fastener assembly, and providing two choices: a first choice in which the removable clamp tightening parts are assembled to the coupling band and the clamping flange before placing the pipe coupling on the pipe, and then tightening the fastener assembly to tighten the pipe coupling around the pipe, and a second choice in which the coupling band and the clamping flange are first placed on the pipe without the removable clamp tightening parts being assembled to the coupling band and the clamping flange, and then afterwards assembling the removable clamp tightening parts to the coupling band and the clamping flange, and then tightening the fastener assembly to tighten the pipe coupling around the pipe.

A piping system for oil and gas in very deep water includes two opposing flanges and a seal ring between the flanges. Each flange has an annular ridge between concentric grooves. The seal ring has a radial web that connects longitudinal inner and outer sealing portions, which are received in the concentric grooves with the annular ridge received sealingly between the inner and outer sealing portions. The inner sealing portion of the seal ring is longer than the outer sealing portion. The web is as thick as or thicker than the inner and outer sealing portions. The seal ring comprises inner and outer concentric hollow cylinders having a non-uniform wall thickness and an annular rib that connects the hollow cylinders together, where one cylinder is longer than the other and where the rib has a longitudinal thickness that is as great as the radial thickness of the walls of the hollow cylinders.

The invention relates to the technical field of grinding equipment, in particular to a wind power flange edge hole grinding device which comprises a base, a plurality of stand columns are fixed to the top of the base, a supporting disc is fixed to the tops of the stand columns, a positioning mechanism is arranged at the top of the supporting disc and used for positioning a flange, and a plurality of spherical grooves are formed in the supporting disc. Balls are slidably connected to the interiors of the spherical groove bodies, the balls protrude out of the upper surface of the supporting disc, the balls are connected with locking mechanisms, and after the flange is positioned, the locking mechanisms are used for fixing the balls; the innovative design of the balls and the locking mechanism is adopted, the spherical grooves formed in the supporting disc are matched with the balls, low-friction flexible supporting is achieved in the positioning stage, the positioning efficiency is greatly improved, meanwhile, direct contact between the wind power flange and the supporting disc can be avoided, damage to the wind power flange due to the friction effect can be avoided, and the service life of the wind power flange is prolonged. And the flange reference surface precision is protected.

A clamp lock for connecting a first piece to a second piece of a furniture, comprising a pin, wherein the pin comprises a first end surface and a second end surface, and a plurality of portions that are connected between the first end surface and the second end surface; and a clamp sleeve, wherein the clamp sleeve comprises a hollowed core through a full length of the clamp sleeve, and the clamp sleeve comprises a first portion and a second portion that is connected to the first portion, and wherein the first portion comprises a hollow cylinder, and the second portion comprises a plurality of clamp tongues, each of the plurality of clamp tongues comprising: a first end being connected to the first portion of the clamp sleeve; and a second end comprising a flange.

A support structure for handrail post repair, the support structure comprising a support frame having a flange base for stabilizing the support structure and a tube comprising a rail end and a ground end such that the tube is connected to the flange base at the ground end, a support rod attached to the tube for securing a handrail post and at least one locking element extending through the tube.

The high-strength flexible gear comprises a cylinder and a cylinder bottom flange, the cylinder comprises a gear ring section and a cylinder section, a fillet transition section is arranged between the cylinder section and the cylinder bottom flange, and a plurality of reinforcing ribs evenly distributed around the circle center of the cylinder section are arranged on the inner wall of the cylinder section. The reinforcing ribs extend to the position, corresponding to the tail end of the gear ring, of the inner wall of the barrel body from the fillet transition section so as to enhance the overall strength of the flexible gear, the rigidity of the inner wall of the barrel section of the flexible gear is remarkably improved through introduction of the reinforcing ribs, and the reinforcing ribs are arranged on the inner wall of the barrel section and extend to the position, corresponding to the tail end of the gear ring, of the inner wall of the barrel body from the fillet transition section. The reinforcing ribs are evenly distributed around the circle center of the cylinder section and extend to the position, corresponding to the tail end of the gear ring, of the inner wall of the cylinder body from the fillet transition section, a stable supporting network is formed, and assembly prestress generated when the wave generator is installed in a flexible gear is dispersed and reduced. Therefore, the risk of local plastic deformation or breakage of the flexible gear due to uneven stress is reduced.

Disclosed is an example of a back frame in which an electric wire such as a harness is routed, in consideration of the routing property of the harness.SOLUTION: The flange portion 31 provided on the rear end side of the first side frame 3 is provided with a recessed portion 32 recessed from the tip in the extending direction in the direction opposite to the extending direction. Accordingly, in the back frame 1, interference or the like between the harness 11A and the first side frame 3 can be easily avoided. As a result, the assembling worker can easily connect the connector 11B and the connector 11C.SELECTED DRAWING: Figure 4

The present invention relates to the technical field of bridge engineering. Particularly disclosed are a steel shell-concrete composite orthotropic bridge deck structure and a fabrication method and device. The steel housing-concrete composite orthotropic bridge deck structure comprises a steel shell structure, infilled concrete, longitudinal and transverse stiffening ribs arranged at the bottom of the steel shell structure, and a deck-end connecting structure, wherein the steel shell structure comprises an upper steel plate and a lower steel plate that are arranged in parallel, and a plurality of perforated T-shaped ribs arranged in parallel in a longitudinal direction. Webs of the perforated T-shaped ribs are welded to the upper steel plate, flanges are riveted to the lower steel plate, the upper steel plate and the lower steel plate are connected into the steel shell structure, and reinforced concrete tenons formed by the perforated T-shaped ribs and core bar reinforcements and shear bolts anchor the upper steel plate and the lower steel plate in the infilled concrete to form a steel shell-concrete composite deck that bears loads jointly. The present invention provides high bending stiffness, solves the problem of fatigue at welds between the stiffening ribs and a steel top plate, fully utilizes the properties of a steel shell and concrete, and solves the problems of the crackability under a negative bending moment and excessive weight of a traditional composite bridge deck.

The invention relates to the technical field of harmonic reducer auxiliary debugging, in particular to a harmonic reducer self-adaptive accurate aligning mechanism and a debugging method.The harmonic reducer self-adaptive accurate aligning mechanism comprises a debugging table, a flange plate is fixedly arranged on the debugging table, a debugging motor is fixedly arranged at the bottom of the flange plate, and a harmonic reducer to be debugged is arranged above the flange plate; the harmonic reducer comprises a wave generator, a flexible gear and a rigid gear, the flexible gear is sleeved with a roller bearing, four adjusting bolts are arranged between the rigid gear and an inner ring of the roller bearing, and a detection piece is arranged beside the rigid gear. Manual adjustment is not needed, the whole debugging process does not need to depend on personnel experience, the automation degree is higher, the debugging efficiency is greatly improved, and the precision stability during debugging of different batches and different operators is ensured.

A three-dimensional vapor chamber assembly structure includes a housing, heat pipes, a capillary member and a working fluid. The housing includes a first housing plate and a second housing plate, a cavity formed between the first and second housing plates, and through holes formed on the second housing plate. The heat pipe penetrates through the through holes and includes an open end having a flange formed thereon. The flange includes lateral and longitudinal surfaces. The lateral surface of the flange is attached to the second housing plate via a welding layer, and the longitudinal surface of the flange is attached to the second housing plate via a welding product. The capillary member is arranged inside the cavity and attached to the housing. The working fluid is arranged inside the cavity. Accordingly, a firm and robust vapor chamber structure capable of preventing welding material from entering the cavity is achieved.

The utility model relates to the technical field of pipelines, and discloses a sealing device of a compensator, which comprises a flange plate, a butt joint cylinder is fixedly arranged on the side wall of the flange plate, and a sealing assembly is arranged in the butt joint cylinder. According to the sealing device of the compensator, by arranging the sealing assembly, when flange plates are in butt joint installation, a bolt pushes an abutting rod to be matched with a disc and a push rod, so that a compressed air bag is extruded, inert gas in an expansion air bag can enter an annular air bag through a connecting pipe, and the size of the annular air bag is increased; by means of the arc-shaped limiting groove, the expansion air bag cannot excessively shift in the horizontal direction, meanwhile, the arc-shaped outer surface of the expansion air bag can increase the coverage area formed by unfolding, and therefore a gap in the connecting position between the butt joint cylinder and an external pipeline is effectively blocked, and the sealing effect between the whole compensator and the pipeline is guaranteed; and the anti-risk capability of the device is improved.

The utility model provides a vibrating screen mesh tensioning device which comprises a tensioning beam which is formed by modularly welding a preformed flange plate, a seat plate, a hollow rectangular pipe and a guide plate. The flange plates are welded to the two ends of the hollow rectangular pipe respectively, the base plate is perpendicularly fixed to the surface of the hollow rectangular pipe and integrally welded to the material guide plate, and the flange plates are detachably connected with side plates of the vibrating screen. The multiple elastic tensioning assemblies are sequentially arranged on the tensioning beam in the extending direction of the tensioning beam. The elastic tensioning assembly comprises an elastic body and a tension adjusting assembly, the tension adjusting assembly is connected with a screen mesh of the vibrating screen, and adjustable tensioning force is generated by compressing the elastic body so as to fix the screen mesh. According to the structure, the dynamic load and energy consumption of the screen body can be remarkably reduced, and light weight is achieved while the bearing capacity is guaranteed. The tensioning force is dynamically adjusted by compressing the elastic body, so that the screen is always in an elastic deformation range, looseness caused by plastic deformation is avoided, and the screen is more stable.

The invention discloses a train wheel set rapid detection and maintenance positioning device and method for a train factory, and belongs to the technical field of train wheel set detection. A rotary jacking mechanism abuts against a wheel shaft of a wheel set to jack the wheel set up from a rail of a maintenance platform and drive the wheel set to rotate, and a rim detection assembly is arranged between the rail and the wheel; the wheel rim detection assembly can conduct continuous inspection and probing through a mechanical probe rod and an ultrasonic probe, the wheel side detection assembly is arranged on the rotary jacking mechanism and detects the side face of a wheel through a laser scanning detector, and the wheel rim detection assembly and the wheel side detection assembly transmit probing results to the upper computer. A mechanical model of wheels on the two sides is formed in the upper computer, a damage point is displayed, the upper computer controls a stepping motor of the rotary jacking mechanism to move, the damage point can be selected through a screen of the upper computer, the rotary jacking mechanism is controlled to rotate slowly, and finally the damage point stays at a probing point of an ultrasonic probe or a laser scanning detector. And maintenance personnel can identify suspicious damage points conveniently.

The invention relates to an easy-to-operate portable percussion device which comprises a launching assembly and a percussion assembly, the launching assembly is in threaded connection with the percussion assembly, the launching assembly comprises a launching head, the launching head comprises a flange base with threads and a cylinder, the flange base and the cylinder are integrally formed, and the flange base and the cylinder are in threaded connection. The emission head comprises a plurality of first through holes, a plurality of second through holes and a plurality of second air chambers, each second air chamber is of a gradually-changed circular long and narrow pipe structure with two wide ends and a narrow middle, and a net hammer and a heavy hammer are placed in each second air chamber; the percussion assembly comprises a percussion device and a gas cylinder mounting seat, the percussion device comprises a firing pin and a vent hole, and the firing pin is located in the center of the vent hole. The device has the advantages that the device is simple in structure and convenient to operate, and loading and ammunition replacement can be achieved without completely disassembling the device; and the second air chamber is arranged, so that higher launching speed and stronger launching power can be obtained during launching of the net hammer, and the launching power and the launching range are farther.

The invention provides a combined flexible gear, a harmonic reducer and a robot, the combined flexible gear comprises a gear ring and a connecting flange, the gear ring comprises a flexible gear cylinder and flexible gear teeth formed on the cylinder wall of the outer side of the flexible gear cylinder, the connecting flange comprises a flange ring and a connecting cylinder located on the end face of one side of the flange ring, and the connecting cylinder is located on the end face of the other side of the flange ring. A first port of the connecting cylinder is in coaxial butt joint with a first port of the flexible gear cylinder, the gear ring and the connecting flange are made of different materials, and the connecting flange is made of high-toughness aluminum alloy materials. Fatigue tearing at the corner position of the connecting flange is avoided, so that the service life of the flexible gear is remarkably prolonged; the gear ring does not have a limiting obstacle of a connecting flange, cutters and clamps with general specifications can be selected in the machining process, and the cost of machining the cutters and the clamps is reduced; as the gear ring and the connecting flange are separately machined, the machining efficiency of the flexible gear can be improved, and the machining difficulty is reduced.

A socket holding frame has a track base and a socket holding mount. The track base has a positioning panel having multiple round locking holes arranged at spaced interval and aligned in a straight line and two side racks respectively located at two opposite sides of the positioning panel. Each side rack has a sliding channel. The socket holding mount has a round flange extending into the sliding channels of the two side racks, a holding portion formed from a top of the flange, and a positioning protrusion extending out of a bottom surface of the flange and being coaxial with the flange. The positioning protrusion is selectively mounted into one of the locking holes. The socket holding mount is rotatable relative to the track base around the positioning protrusion.

A tray includes an upper construct that includes an upper flange panel. The upper flange panel includes a perimeter portion extending at least partially around first and second openings. The upper flange panel further includes a central portion disposed between the first and second openings. The upper construct also includes an upper side panel foldably connected to the central portion. The tray further includes a lower construct. The lower construct includes a bottom panel and a plurality of lower side panels foldably connected to the bottom panel and defining a receiving cavity. At least a portion of the upper construct is attached to the lower construct. The upper side panel extends through the receiving cavity and is attached to the bottom panel. The upper side panel at least partially defines first and second cavities.