266 results about "Trunnion" patented technology

The invention discloses a welding slag ladle for containing copper slag and a design method. The welding slag ladle is suitable for containing, cooling and inverted placing procedures of high-temperature copper slag. The cinder ladle comprises a cylinder body, a ladle bottom, rib plates, trunnions and supporting legs, the cylinder body and the ladle bottom are formed by welding high-temperature-resistant and high-strength rolled plates, the thickness of the cylinder body is 70-100 mm, and the thickness of the ladle bottom is 80-120 mm; setting an inclination angle beta of 11.5-21 degrees relative to the center line of the bus of the cylinder body, and controlling the roughness of the inner wall to be less than or equal to 12.5 microns so as to reduce the separation resistance after the copper slag is cooled; thickness combination, stress distribution, deformation and rib plate arrangement are optimized through structural mechanical simulation, and it is ensured that the structural strength meets the requirements under high temperature and thermal cycle loads; full penetration weld joints are adopted, nondestructive testing is carried out, and the welding reliability is guaranteed; compared with a traditional casting cinder ladle, the mass of the cinder ladle is reduced by 10%-15%, the deslagging efficiency is improved, the service life is prolonged to more than two times of the original service life, and the cinder ladle has the advantages of being light in structure, high in bearing capacity, high in deformation resistance and good in maintainability.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a large forward slot having an adjustable knife blade guide pressure plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

The invention provides a crown block operation monitoring method and system, relates to the technical field of remote monitoring of crown blocks, is applied to ground monitoring equipment, and specifically comprises the following steps: acquiring crown block position information of a target crown block from crown block control equipment; target information of target operation executed by the target crown block is determined according to the crown block position information, the target operation comprises ladle hanging operation and / or ladle removing operation, the ladle hanging operation is operation of hanging a plate hook of the target crown block into a trunnion of a target steel ladle, and the ladle removing operation is operation of removing the plate hook from the trunnion; the target information is sent to the crown block control equipment, so that the crown block control equipment controls the target crown block to enter a target range to execute the target operation; when it is determined that the target crown block enters the target range, first identification information and second identification information are obtained, the first identification information is obtained by monitoring the target crown block through a two-dimensional identification technology, and the second identification information is obtained by monitoring the target crown block through a three-dimensional identification technology; and monitoring whether the target crown block successfully executes the target operation or not according to the first identification information and the second identification information.

A trunnion bar locker assembly for a rear load refuse vehicle for use when dumping a refuse container having a trunnion bar, includes a pair of spaced apart locking assemblies, each locking assembly further including a base frame to be connected to the refuse vehicle, a trunnion bar receiver connected to the base frame, a locker door connected to the base frame and having an open position wherein the trunnion bar receiver removably receives an end of the trunnion bar of the refuse container, and a closed position wherein the pivotable locker door confines the end of the trunnion bar in the receiver, an electrically powered actuator coupled to the base frame and to the pivotable locker door, and a controller connected to each respective locking assembly to control the actuator to move the pivotable locker door between the open and closed positions.

The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a plurality of guide slots having a two-way adjustable L-shaped guide plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. The guide blade block is secured to the trunnion of the prosthesis to be extracted using a stem trunnion securing member housed within the guide block. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery, and significantly increases positive medical outcomes for joint revision procedures.

A swirl recovery vane (SRV) includes a trunnion configured to pivotally connect to an exterior surface of an inner platform of an SRV structure system. The SRV includes a body extending radially from the trunnion to an unshrouded distal vane tip of the vane. The SRV includes a heat exchanger that includes a gas inlet configured to couple a bleed air valve of a compressor section of a gas generator to a gas channel. The heat exchanger includes the gas channel adapted to: enable gas to flow into the gas inlet as cool gas and out through a gas outlet as warm gas; and extend into the body of the vane to enable heat transfer from a heat source within the vane to the cool gas. The heat exchanger includes the gas outlet configured to output the warm gas from the channel to an ambient environment outside of the vane.

A multipod joint having an outer joint part with a first longitudinal axis and a cavity which runs parallel to the first longitudinal axis and which has an open end. At least two recesses running parallel to the first longitudinal axis are distributed along a circumferential direction, which extends around the first longitudinal axis. The joint has a joint inner part with a second longitudinal axis, comprising at least one central body on which at least two trunnions are formed with trunnion axes extending radially from the second longitudinal axis. A roller body rotatable at least about the trunnion axis is arranged on each trunnion.

The application discloses a double-safety-redundant tilting actuator of a tilt-rotor unmanned aerial vehicle, which comprises a ball screw mechanism and lug connections and trunnion connections installed on the ball screw mechanism; the lug connections are fixed on the wing ribs of a wing, and the trunnion connections are fixed on a nacelle; the ball screw mechanism is configured to drive the nacelle to rotate correspondingly synchronously with extension and retraction actions of the ball screw mechanism; wherein the ball screw mechanism comprises two-stage serial ball screws and two independent driving mechanisms; the two driving mechanisms are configured to independently control the two-stage serial ball screws to complete all extension and retraction actions, so that the operation of the aircraft is safer and more reliable; when any one-stage ball screw is damaged or stuck at a certain angle to cause the ball screw to be unable to retract, the other one-stage ball screw can still normally operate, the nacelle can still rotate within a certain angle, the function of aircraft landing and taxiing can be realized, and the aircraft can be safely landed.

The invention provides a rotor turnover device, and relates to the technical field of gas turbine equipment. The rotor overturning device comprises a supporting platform which comprises a first support, a second support and a third support; the two rotating shaft limiting assemblies are respectively fixed on the first bracket and the second bracket; two trunnions are arranged on the switching disc and are respectively embedded into the two rotating shaft limiting assemblies; the transfer hanging ring is fixedly connected with a front journal of the rotor; the limiting rotary supporting plate is fixedly arranged on the third bracket; and a front journal of the rotor is embedded into the limiting rotary supporting plate. The rotor turnover device can perform multi-degree-of-freedom turnover on the gas compressor rotor, one lifting point is reduced compared with a traditional turnover mode, the requirement for the operation ability of operators is weakened, the possibility of risk generation in the rotor turnover process is reduced, and reliable and safe multi-degree-of-freedom turnover work of the gas compressor rotor is achieved. And therefore, the overturning efficiency and safety are improved, and the stability of multi-degree-of-freedom and multi-angle overturning of the gas compressor rotor is improved.

An actuating mechanism for a fluid displacement and pressuring device where the actuating mechanism comprises a pivotable component which has two pivot points - an upper pivot point provided by trunnions integral with a unitary link lever, and a lower pivot point provided by stub pins which are integral with either the housing of the device or a carrier component thereof. Preferably, the number of parts is reduced, assembly is easier, and the overall reliability of the device is increased.

The application discloses a vertical kneader facilitating discharging, which is applied to the technical field of vertical kneaders and comprises a cross beam, a lower barrel body, a base, a stand and a material containing barrel, wherein the bottom surface of the cross beam is provided with a camera at the front part, one side of the stand is fixedly provided with a control center, the front surface of the stand is fixedly provided with a mechanical arm at the middle part, the top structure of the mechanical arm is in the shape of a hammer, support frames are threadedly connected to the two sides of the stand, a turnover assembly is arranged on the support frame, and a groove is formed in the front end of the support frame. The application drives the turnover assembly, so that the turnover output rod drives the trunnion, the trunnion drives the lower barrel body to turn over, the slurry is conveniently poured out, the reinforcing ring provided with a vibrator is arranged, the vibration makes the residual slurry on the inner wall of the lower barrel body flow down, the mechanical arm is arranged to knock the bottom of the lower barrel body, and the residual slurry on the inner bottom of the lower barrel body flows down. The device solves the problem that the kneader is inconvenient to discharge.

The invention provides a hydraulic servo oil cylinder trunnion positioning and repairing method and a positioning device, which are used for carrying out in-situ welding and repairing on a fractured oil cylinder trunnion, and the method comprises the following control conditions: (1) heating an oil cylinder barrel before welding and carrying out heat preservation on the oil cylinder barrel after welding; (2) the tensile strength of the selected welding rod is higher than that of an oil cylinder barrel matrix; and (3) the welding rod is baked and heated before welding.

The utility model provides a cradle structure for a machine gun weapon station. The cradle adopts a double-trunnion-hole groove-shaped structure, a trunnion hole is formed in the side wall of one end, and a guide rail is fixedly connected to the other end in a groove. The sliding base is installed on the guide rail and can slide along the guide rail, weapon installation structures are arranged at the first end and the second end of the sliding base respectively, the first end is closer to the trunnion hole of the cradle than the second end, and the protruding block in the middle of the guide rail is located between the first end and the second end. One end of the buffer rod is connected to the bump of the guide rail, and the other end is connected to the second end of the sliding seat. The buffer spring can buffer forward impact and recoil force generated when a weapon is shot, and the buffer rod is sleeved with the portion, between the protruding block and the second end, of the buffer spring. The buffering device is compact in structure, the buffering device can be provided for a small-caliber weapon without an external buffering device, so that the weapon rushes forwards and sits backwards in the shooting process, meanwhile, the spring buffers the impact load, and the stress of the trunnion and the bracket can be reduced to protect the trunnion and the bracket.

The invention discloses a cutting device for refractory material processing, and relates to the technical field of building block manufacturing, and the cutting device comprises an adjustable cutting assembly. According to the cutting device for refractory material machining, the cutting head only makes contact with materials in the advancing process and is automatically lifted and separated in the return stroke, scraping damage to a notch in the returning process can be eliminated, the ineffective stroke can be effectively shortened, the service life of a cutter can be effectively prolonged, and when a user needs to adjust the cutting angle to achieve oblique cutting, the cutting head can be automatically lifted and separated. The movable plate can be driven to adjust the cutting angle within the arc range of the angle adjusting plate only by pulling out the plug pin, driving the movable plate to rotate with the trunnion as the axis and re-inserting the plug pin into the partition gap of the corresponding angle, so that the cutting angle can be adjusted within a certain range, and the cutting efficiency is improved. Angle deviation of the movable plate is achieved through simple and convenient operation, switching between vertical cutting and oblique cutting is achieved, and the machining requirements of different notch angles of refractory materials are met.

The utility model relates to the related technical field of high-temperature and high-pressure dyeing machines, in particular to a hole cover structure of a high-temperature and high-pressure dyeing machine, which comprises a dyeing machine main barrel and a combined mechanism arranged on one side of the surface of the dyeing machine main barrel. According to the hole cover structure of the high-temperature and high-pressure dyeing machine, through the arrangement of the combined mechanism, the manhole base is fixedly connected with the main barrel of the dyeing machine to form a fixed sealing base, and the manhole sealing piece is located at the bottom of the manhole cover and installed on the inner side of the manhole cover, so that airtightness and liquid tightness are achieved after the manhole sealing piece is attached to the manhole base, and dyeing liquid is prevented from leaking; when the manhole cover needs to be opened, the handle is operated, the hand-screwing nut is loosened, the movable fastening bolt is separated from the fixed clamping jaw, then the manhole cover is pulled through the manhole cover handle, the manhole cover is rotated to the opening position through the manhole cover opening and closing trunnion, and rapid inspection and operation are facilitated.

The utility model provides a vacuum induction furnace steel pouring tundish which comprises a bearing bottom box, the bearing bottom box comprises a bottom plate, two short edge surrounding plates and two long edge surrounding plates, and the bottom plate is provided with a molten steel inlet and a molten steel outlet; the two long-edge coamings and the two short-edge coamings are vertically fixed to the edge of the bottom plate and define a cuboid structure with an opening in the top with the bottom plate; hollow heat insulation cavities are formed in the two long-edge surrounding plates, trunnion assemblies are arranged on the two long-edge surrounding plates, each trunnion assembly comprises at least two trunnions arranged in the length direction of the cuboid structure, and blocking mechanisms are arranged at the second ends of the trunnions. The blocking mechanism is matched with the trunnion to form a limiting mechanism used for limiting the chain type lifting appliance in the direction perpendicular to the long side coaming; the cover plate is used for covering the top opening of the bearing bottom box, and the cover plate is matched with the top opening of the bearing bottom box in shape.

The application discloses a special tool for adjusting and fixing a single-point mooring chain stopper, and relates to the technical field of ocean engineering.The special tool for adjusting and fixing a single-point mooring chain stopper comprises a chain stopper trunnion shell and two chain stopper X-axis joint cylinders, the chain stopper X-axis joint cylinders are located on the two sides of the chain stopper trunnion shell, the chain stopper X-axis joint cylinders can rotate around the chain stopper trunnion shell through internal pin shafts, the chain stopper trunnion shell is provided with a fixing tool on the side facing the chain stopper X-axis joint cylinders, and the fixing tool comprises a support fixed on the chain stopper trunnion shell and an eye ring fixed on the top end of the chain stopper X-axis joint cylinder.The first rotating shaft, the second rotating shaft and the fixing rod are arranged, the relative position of the first rotating shaft and the second rotating shaft is changed by adjusting the rotary motion of the left threaded rod and the right threaded rod at the two ends of the fixing rod, and the relative angle between the chain stopper trunnion shell and the chain stopper X-axis joint cylinder is adjusted and fixed.

A shipboard platform is provided for azimuth and elevation pivoting of a targeting payload. The platform is coupled to a ship and includes a pedestal, an azimuth drive trunnion, a yoke having first and second struts, an elevation drive trunnion and an elevation support trunnion. The pedestal is disposed on the ship. The azimuth drive trunnion is disposed in the pedestal. The yoke is rotatably disposed on the azimuth drive trunnion. The elevation drive and support trunnions are rotatably disposed in their respective first and second struts. The payload is mountable to the elevation drive and support trunnions. Further, a gimbal trunnion is provided for pivoting a payload along an axis. The trunnion includes an annular shaft, an interface mounting plate, an annular rotor, an annular stator, and inner and outer annular housings. The shaft turns the payload along the axis. The interface mounting plate is axially disposed between the payload and the shaft. The annular rotor extends radially outward from the shaft for turning the mounting plate. The annular stator extends radially outward from the rotor to laterally constrain the rotor. The inner and outer annular housings extending radially outward from the stator for encasing the axially tandem bearings.

The present invention relates to an agricultural machine comprising at least one working tool and a hitch frame by which it is connected to a tractor and which includes a crossbar and two levers, each lever carrying a respective trunnion intended to be attached to a respective lower arm of the tractor and capable of moving vertically relative to the crossbar, each lever being associated with a return device capable of exerting a force on the associated lever when the respective trunnion moves vertically relative to the crossbar, the machine being able to occupy a working configuration in which the tool or tools are close to the surface and at least one transport configuration, in which the tool or tools are further from the surface than in the working configuration, each return device comprising a hydraulic return cylinder fixed to the respective lever on one side and to the crossbar on the other side.Each return cylinder is hydraulically connected to a hydraulic reservoir in the working configuration. Figure to be published with the abbreviation: Fig. 1,

The utility model relates to the technical field of circuit protection, in particular to an energy-saving explosion-proof leadless resistor fusing device, which comprises a base mechanism, the base mechanism comprises a high-strength insulator, the lower end of the high-strength insulator is fixedly connected with a trunnion used for connection, the lower end of the trunnion is fixedly connected with a trunnion sleeve, the trunnion sleeve is rotatably connected with a fusing mechanism, and the fusing mechanism is connected with the high-strength insulator. The fusing mechanism comprises a fuse tube, the fuse tube is hollow, quartz sand is arranged in the fuse tube, the lower end of the fuse tube is fixedly connected with a lower metal hoop, the lower metal hoop is rotationally connected with the trunnion sleeve, an exhaust channel is arranged in the lower metal hoop, a groove is formed in the upper surface of the lower metal hoop, wood alloy is connected in the groove in a sleeved mode, and the wood alloy is arranged in the groove. According to the energy-saving anti-explosion leadless resistor fusing device, special anti-explosion structures and materials are adopted, and when the energy-saving anti-explosion leadless resistor fusing device is fused, rising of the internal pressure can be dredged, the shell is prevented from being broken and exploded, and the safety of surrounding personnel and equipment is ensured.

A drive shaft assembly for a motor vehicle, has at least a first tripod joint having a first outer part and a first inner part having three first trunnions with first trunnion axes. A second sliding joint has a second outer part and a second inner part, and a connecting shaft which extends along an axial direction between a first end and a second end and which is connected in a torque-transmitting manner via the first end to the first tripod joint and via the second end to the second sliding joint. At least the trunnion axes of the first trunnions are inclined relative to a radial direction by a first angle of inclination which is greater than zero angular degree.

The present application relates to the technical field of metallurgical equipment, and discloses a conveying device for slag treatment, a main hook assembly connected to a first hoisting chain and a secondary hook connected to a second hoisting chain are arranged on a hoisting vehicle, the main hook assembly comprises a hoisting plate connected to the first hoisting chain, a first side plate and a second side plate are arranged in a hinged manner opposite to the hoisting plate, a hook plate and the first side plate form a hook cavity, a disengaging clamp cavity penetrating up and down is formed between the second side plate and a third side plate, and an inlet clamp cavity is formed between the third side plate and the hook plate. Through the structure design of the exquisite buckle plate, guide plate and counterweight plate in the main hook assembly, automatic hooking and automatic unhooking of the trunnion are realized. The whole process does not need manual intervention and can be completed by only controlling the lifting of the hoisting chain, so that the workers are completely liberated from the high-temperature and high-risk unhooking operation, and the safety and automation level of the operation are greatly improved.

Apparatuses, systems, and methods are disclosed for use in or with firearms. A firearm receiver (106) includes an elongated channel machined or 3D printed from a metallic material, and has a front end and a rear end. The firearm also includes a front trunnion (202) having a rear portion coupled to the front end of the elongated channel and having a front portion configured to couple to a handguard (104). Also includes is a rear trunnion (204) coupled to the rear end and configured to receive an accessory adapter.

A fan assembly for a gas turbine engine includes a fan actuation system, a fan blade hub, a plurality of fan blades, and a counterweight system arranged disconnected from the plurality of fan blades. The counterweight system includes a counterweight hub, and a plurality of counterweight levers each having a counterweight trunnion rotationally connected to the counterweight hub, a cantilever arm with a counterweight connected thereto. The fan blades are rotationally connected to the fan blade hub and to the fan actuation system, and the counterweight levers are rotationally connected to the counterweight hub and to the fan actuation system. The fan actuation system is arranged to correspondingly rotate each of the plurality of fan blades about a respective fan blade pitch change axis, and each of the plurality of counterweight levers about a counterweight lever rotational axis in unison.

The invention relates to a large radial gate trunnion hinge shaft mounting device and a construction method, the large radial gate trunnion hinge shaft mounting device comprises a trunnion hinge device and a measuring device mounted on one side of the trunnion hinge device, the measuring device and a shaft hole of the trunnion hinge device keep a concentric shaft, and the measuring device is axially and uniformly provided with a plurality of distance measuring sensors along the axis of the measuring device; the device further comprises a Z-axis moving assembly and an X-axis moving assembly arranged on the Z-axis moving assembly, and the X-axis moving assembly is provided with a Y-axis moving assembly, a jack and a plurality of adjusting assemblies arranged in the moving direction of the Y-axis moving assembly. The moving directions of the jack and the Y-axis moving assembly are consistent; each adjusting assembly comprises a U-shaped groove with the top provided with an arc groove, two clamping piece sets are arranged on each arc groove side by side in the moving direction of the Y-axis moving set, and telescopic piece sets in one-to-one correspondence are arranged at the positions, corresponding to the two clamping piece sets, of the side wall and the arc lower surface of the U-shaped frame respectively. The position of the trunnion shaft is adjusted through cooperation of the measuring device, the adjusting assembly and the moving assemblies, and the installation precision of the trunnion shaft is improved.

Rifle systems and methods of making the same are provided. The rifle system is made using alternative manufacturing methods, such as advanced additive manufacturing ("AM") techniques, also referred to as 3D printing. Further included are an improved trigger housing, an improved bolt retention mortise system configured for bilateral operation, an improved magazine well, an improved trunnion, and a bilateral operation release assembly.

The utility model discloses casting slag ladle manufacturing equipment which comprises a ladle body, a trunnion, a ladle body reinforcing rib, a tank car fixing lug and a ladle bottom radian, the ultrasonic flaw detection percent of pass of the trunnion reaches 100% through an accurate trunnion pre-embedding device and a reasonable sand mould manufacturing process, and the structural strength and rigidity are enhanced through unique ladle body design and reinforcing rib layout. The bearing capacity is improved, deformation is reduced, and the service life is prolonged. In the aspect of the production process, the sand mold manufacturing mold is split by the horizontal center line of the tank car fixing lug, and sand mold manufacturing is efficiently and accurately completed; the box closing device is matched with the pouring system, smooth box closing pouring is guaranteed, the rejection rate is reduced, the production period is shortened, and the efficiency is improved. In the aspect of cost control, the equipment process is optimized, the yield is improved, the waste loss is reduced, meanwhile, equipment such as a sand mold manufacturing mold is durable, the maintenance cost is reduced, the safety accident risk caused by slag ladle faults during steelmaking slag conveying is effectively reduced, and the personnel safety and the production order are guaranteed.

Disclosed is a tank that retains a large amount of fluid in a safe manner. The tank can be easily and rapidly constructed and disassembled for subsequent use. A liner has lifting straps that are lifted by winch booms connected to booms. Exterior securing straps are used to hold the liner in place. Connecting plates are secured to trunnions on each of the panels. Pressure pins allow the connector plates to flex so that the panels can form a round or oval tank. The panels are constructed in a curved fashion to create the round or oval tank wall.

The present invention discloses a riprap conduit, an uninterrupted feeding and adjusting device, a method for using the device, a riprap system, and a riprap method. The riprap conduit comprises an outer conduit and an inner conduit. The outer conduit comprises multiple sections, with adjacent sections connected by a hinge mechanism. The hinge mechanism comprises two trunnions and two lock boxes. The lock boxes and trunnions on each section of the outer conduit are arranged vertically. The upper section of the outer conduit is hinged to the lock box of the lower section via its trunnion, allowing the two adjacent sections to swing axially at the hinge. Each section of the outer conduit is composed of two half tubes spliced ​​together. The present invention can dynamically adjust the length of the outer conduit while continuously feeding, ensuring accurate and uniform delivery of riprap material and avoiding the risk of pipe blockage. The invention has the advantages of high construction efficiency, a short construction period, low safety risks, and high-quality underwater foundation construction.

The utility model discloses a connecting structure of a converter shell and a backing ring, which comprises the converter shell and the backing ring, a plurality of trunnion rings I are arranged at the lower part of the backing ring, an adjusting mechanism is arranged on the outer side of the converter shell, a plurality of trunnion rings II are arranged on the adjusting mechanism, and the adjusting mechanism adjusts the positions of the trunnion rings II so as to facilitate the mutual matching installation of the trunnion rings I. The adjusting mechanism comprises a step ring, the step ring is integrally formed and fixedly connected to the outer side of the converter shell, and when a second trunnion ring of the converter shell and a second trunnion ring of the backing ring are not in the same straight line during hoisting, the adjusting mechanism can be adjusted according to a first trunnion ring on the lower portion of the backing ring. At the moment, the edge of the connecting shell can be held by a hand or an existing rotating tool, and the connecting shell is slid, so that the trunnion ring II and the trunnion ring I on the connecting shell are in the same axis, and the converter shell and the backing ring are convenient to mount.