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427results about "Connecting rods" patented technology
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Connecting rod assembly for reciprocating pump
ActiveUS12366245B1Connecting rodsPositive displacement pump componentsClassical mechanicsStructural engineering
A connecting rod assembly includes a crosshead for coupling a connecting rod to a plunger, the crosshead having a hole extending through the crosshead. The connecting rod assembly also includes a knuckle cage positioned within the crosshead, the knuckle cage extending through the hole and including a cutout to provide access to a passage formed in the knuckle cage. The connecting rod assembly further includes a knuckle positioned within the passage of the knuckle cage, the knuckle having a mounting surface that is substantially planar, the mounting surface coupling to the connecting rod at a mating end with a substantially planar mating end surface.
Owner:VULCAN IND HOLDINGS LLC
Connecting rod assembly for reciprocating pump
A connecting rod assembly includes a crosshead for coupling a connecting rod to a plunger, the crosshead having a hole extending through the crosshead. The connecting rod assembly also includes a knuckle cage positioned within the crosshead, the knuckle cage extending through the hole and including a cutout to provide access to a passage formed in the knuckle cage. The connecting rod assembly further includes a knuckle positioned within the passage of the knuckle cage, the knuckle having a mounting surface that is substantially planar, the mounting surface coupling to the connecting rod at a mating end with a substantially planar mating end surface.
Owner:VULCAN IND HOLDINGS LLC
Fibrous Reinforcement for the Manufacture of Composite Parts Intended to be Articulated with Other Parts
The present invention relates to a fibrous preform of a core portion of a fibrous reinforcing material of a composite material part, which has an elongated shape along the longitudinal direction X and is formed by first yarns C1 to C16 extending along the longitudinal direction and second yarns t1 to t8 crossing the first yarns. In the fibrous preform, the preform includes two longitudinal ends intended for articulation joining with other parts and an intermediate region located between the longitudinal ends. Each longitudinal end has a thickness greater than the thickness of the intermediate region. The intermediate region includes first non-woven yarns C5 to C12. Each longitudinal end includes a reinforcing segment 102c including a three-dimensional weave of a first non-woven yarn and a second yarn of the reinforcing segment.
Owner:SAFRAN LANDING SYSTEMS +1
Profile optimization method and device and plunger pump
The invention relates to a shape line optimization method and device and a plunger pump. The method comprises the steps that a current plunger pump simulation model is adopted to conduct simulated fracturing operation, surface pressure data corresponding to a bearing bush model in the simulated fracturing operation are obtained, if the surface pressure data do not meet a preset standard, deformation corresponding to the bearing bush model is fitted, a shape line model is obtained, and a bearing bush model is obtained; according to the shape line model, shape line parameters of the bearing bush model and / or the connecting rod model are adjusted, a next plunger pump simulation model is determined, and fracturing simulation operation is repeatedly carried out to obtain surface pressure data corresponding to the bearing bush model until the surface pressure data meet a preset standard; by adopting the method, the contact state between the inner surface of the bearing bush and the outer surface of the journal of the connecting rod is improved by modifying the bearing bush and / or the connecting rod without changing the macrostructure size of the bearing bush, so that the contact surface pressure between the bearing bush and the journal is more uniform, and the service life of the bearing bush is prolonged while the abrasion of the bearing bush is reduced and the cost is reduced.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
Spherical connecting rod upper joint and production and installation method thereof
The invention provides an upper node of a spherical connecting rod. The spherical connecting rod upper node comprises a core shaft and a rubber body wrapping the core shaft, a circle of protrusions with hemispherical sections are arranged on the middle section of the core shaft in the circumferential direction, the protrusions are glued to the inner side of the rubber body, and the outer side of the rubber body is of a cylindrical structure. According to the spherical connecting rod upper joint, the problems that an existing rubber joint is high in deflection rigidity, common in deflection fatigue performance, difficult to meet use requirements and the like are solved.
Owner:ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD
Lightweight high-strength composite material connecting rod
The invention discloses a composite material connecting rod structure, and relates to the technical field of composite material structure design and manufacturing, in particular to a light high-strength composite material connecting rod which comprises a composite material rod body, a flange connector, a flange clamp, an adjustable clamp and a tensile bolt set. The composite material rod body is made of fiber reinforced resin matrix composites through a winding or laying winding process, and reinforcing areas and transition oblique angles are arranged at the two ends of the composite material rod body. The adjustable clamp and the flange clamp are in interference fit with the end of the rod body through built-in inclination and surface texture, the flange connector is connected with the clamp through the tensile bolt set, and efficient transmission of tension and compression loads is achieved. Through the integrated combined structural design, the problems of stress concentration and interface failure caused by traditional glue joint or screw joint are solved, the bearing capacity, environmental adaptability and reliability of the connecting rod are remarkably improved, and the connecting rod is suitable for the high-load fields such as aerospace, high-speed rails and heavy machinery.
Owner:SHANGHAI SHENGXIAN COMPOSITE MATERIAL TECH CO LTD
Belted mechanical part including an interface insert
Owner:SAFRAN LANDING SYSTEMS +1
Connecting rod guide
One or more techniques and / or systems are disclosed for a mechanical assembly comprising a connecting rod with a first end and a second end, a crankshaft journal, a wrist pin, and at least one guide spacer. The crankshaft journal may be coupled to the first end of the connecting rod, allowing for the transmission of rotational forces. The wrist pin may be configured to attach to the second end of the connecting rod, facilitating the transfer of mechanical motion. At least one guide spacer may be positioned on the wrist pin, located on either side of the connecting rod at the second end, to provide alignment and reduce wear. The crankshaft journal and the wrist pin may be arranged in parallel, enabling the connecting rod to perform both rotational and reciprocating motions.
Owner:ADVANCED FLOW SOLUTIONS INC
Steel connecting rod
The utility model is applicable to the technical field of engine parts, and provides a steel connecting rod, which comprises a connecting rod body and a connecting rod tile cover, the connecting rod body is detachably connected with the connecting rod tile cover, one end of the connecting rod body far away from the connecting rod tile cover is provided with a small end hole, and the other end of the connecting rod body is connected with the connecting rod tile cover to form a large end hole. A shaft sleeve is arranged in the small-end hole, a bearing bush is arranged in the large-end hole, and an oil throwing spoon is detachably installed on the connecting rod bush cover. The shaft sleeve and the bearing bush are respectively arranged at the small-end hole and the large-end hole of the connecting rod, so that the abrasion can be effectively reduced, the maintenance cost is reduced, the split type oil throwing spoon is simple and reliable to install, and the oil throwing spoon is detachably installed and fixed by using a stamping structural member, so that engine oil can be effectively lubricated, the strength of connecting rod parts damaged by welding is also avoided, and the service life of the connecting rod is prolonged. And the risk is greatly reduced.
Owner:CHONGQING AMPRIDE POWER & MACHINERY CO LTD
Improvement of fastening connection of three-section type connecting rod of medium-speed diesel engine
A fixed connection structure of a three-section type connecting rod of a medium-speed diesel engine comprises a connecting rod body, a connecting rod upper cover and a connecting rod lower cover, the connecting rod body and the connecting rod upper cover are connected through a connecting rod short stud and a nut, and the connecting rod upper cover and the connecting rod lower cover are connected through a connecting rod long stud and a nut. Reliable cooperation of the connecting rod threaded fastener bearing fatigue and impact loads is improved by optimizing the thread tolerance, the thread root radius and the stud outer diameter requirements of the connecting rod upper cover and the connecting rod short stud. By means of precise thread tolerance fit and optimized tooth bottom arc radius design, fatigue strength and impact resistance of threaded connection are remarkably improved, the problem that traditional connecting rod threaded connection is prone to loosening and failure is solved, and the connecting rod is suitable for the high-load working condition of a high-power medium-speed diesel engine.
Owner:HUDONG HEAVY MACHINERY
Lightweight automobile connecting rod
ActiveCN222924778UConnecting rodsInternal combustion piston enginesStructural engineeringIndustrial engineering
The utility model relates to the technical field of automobile engines, in particular to a light-weight automobile connecting rod which comprises a rod body, a connecting rod small end, a connecting rod large end and an installation assembly, and the installation assembly comprises an upper connecting plate, a lower connecting plate, a left frame, a right frame and a positioning piece. The upper connecting plate at the bottom of the rod body is combined with the lower connecting plate at the top of the large end of the connecting rod, meanwhile, the left frame and the right frame are installed on the two sides of the upper connecting plate and the lower connecting plate, the positions of the upper connecting plate and the lower connecting plate are further fixed, and workers can conveniently install the connecting rod into an engine; a worker can select and replace the connecting rod big end and the connecting rod small end according to the abrasion state of the connecting rod big end and the connecting rod small end, the situation that the whole connecting rod needs to be replaced during replacement is avoided, and therefore the problem that when an existing engine connecting rod and an automobile engine are damaged after being used for a long time, the whole needs to be replaced, and the use cost is increased is solved.
Owner:SUZHOU SPRING MASCH CO LTD
Rigid connecting part for the mechanical coupling of a first component and a second component
The invention relates to a rigid connecting part (10) for mechanically coupling a first component and a second component, wherein the connecting part (10) has at least one opening (20) for receiving a bearing, by means of which the mechanical coupling can be effected during operation, wherein the connecting part (10) has a longitudinal center axis (L) on which a center point (M) associated with the opening (20) is arranged, wherein the opening (20) is arranged in at least one end region (EB1, EB2) of the connecting part (10), wherein the opening (20) is completely delimited in the radial direction by means of an inner boundary surface (30) of the connecting part (10), wherein the connecting part (10) has an outer boundary surface (40) which at least partially surrounds the opening (20), wherein the inner boundary surface (30) and the outer boundary surface (40) are arranged at a distance from one another,so that the connecting part (20) surrounds the opening (20) in sections in a ring-like manner with a ring thickness (60). By varying the ring thickness (60) in an angular range (WB) oriented towards an outer end (E1, E1) of the end region (EB1, EB1) from 0° to 90° relative to the longitudinal center axis (L), a rigid connecting part for the mechanical coupling of a first and a second component can be provided, which has improved properties while maintaining reliability.
Owner:HIRSCHVOGEL HLDG GMBH
Motorcycle engine connecting rod with good heat insulation property
The motorcycle engine connecting rod with the good heat insulation performance comprises a rod body, one end of the rod body is connected with a large end, the other end of the rod body is connected with a small end, a lining is arranged in the small end, and a heat insulation ring is fixedly installed between the outer wall of the lining and the inner wall of the small end. And a cavity is formed in the rod body. According to the motorcycle engine connecting rod with the good heat insulation performance, the heat insulation ring is additionally arranged between the connecting rod and the piston to block heat, the connecting rod is designed to be of a hollow structure, and heat transfer is reduced through an air heat insulation layer.
Owner:CHENGDU HONGTAI MACHINERY
High-strength connecting rod for automobile air conditioner
Owner:HUAIAN ALITE IND & TRADE CO LTD
Hoop and connecting rod using same
The utility model relates to a hoop which comprises a connecting block provided with a connecting end part and a mounting part, the mounting part is fixedly connected with a connecting rod, and the mounting part is provided with an insertion groove; the embracing piece is provided with a first inserting end and a second inserting end, when the first inserting end and the second inserting end are both inserted into the inserting groove, an enclosing hole is formed between the embracing piece and the connecting block, and when the telescopic supporting leg penetrates through the enclosing hole, the embracing piece and the connecting block are attached and hooped; the locking screw is arranged on the connecting block and is in threaded connection with the connecting block, the locking screw has a screwing state and an unscrewing state, when the locking screw is in the screwing state, a screw rod of the locking screw locks the first inserting end and the second inserting end, and when the locking screw is in the unscrewing state, the screw rod of the locking screw locks the first inserting end and the second inserting end. And the locking screw is separated from the first plugging end part and the second plugging end part. The supporting leg has the effect that the relative position between the connecting rod and the supporting leg can be conveniently adjusted according to needs.
Owner:ZHEJIANG XINYI INTELLIGENT DRIVE TECH CO LTD
Crankshaft for an internal combustion engine
The invention relates to a crankshaft for an internal combustion engine. In particular, the invention relates to a crankshaft having at least one crankshaft segment, comprising at least one disk-shaped crank web, arranged with rotation symmetry relative to a crankshaft axis and carrying a main bearing surface that rotates around a crankshaft axis, and a crank pin that is arranged eccentric to the crankshaft axis and extends parallel to the crankshaft axis.
Owner:YAPICI KURT IMREN
Three piece composite fitting
PendingUS20250305534A1Connecting rodsAdditive manufacturing apparatusMechanical engineering3d printed
Owner:AVTECHTYEE
Asymmetric connecting rod and mounting structure thereof
ActiveCN223190822UConnecting rodsPositive displacement pump componentsInterference fitWear resistance
The utility model discloses an asymmetric connecting rod and a mounting structure thereof, the asymmetric connecting rod comprises a rod body part, the rod body part is linear, two ends of the rod body part are provided with a large head part and a small head part, the middle part of the large head part is provided with a connecting rod large hole, and the middle part of the small head part is provided with a connecting rod small hole used for connecting a piston. The connecting line of the circle centers of the large connecting rod hole and the small connecting rod hole is parallel to the central axis of the rod body part, the horizontal distance between the connecting line and the central axis is not smaller than 1 mm, and a shaft sleeve used for being connected with a crankshaft is in interference fit with the interior of the large connecting rod hole; the utility model has the advantages of strong load capacity, good wear resistance and simple structure.
Owner:HUANGSHI DONPER COMPRESSOR CO LTD
Adjustable support transverse connecting rod accessory
The utility model relates to the technical field of supporting devices, and discloses an adjustable supporting device transverse connecting rod accessory which comprises a connecting rod mechanism and further comprises a telescopic rod mechanism and a fixing mechanism, and the inner wall of the side face of the connecting rod mechanism is movably connected with the side face of the telescopic rod mechanism. The inner wall of the side face of the telescopic rod mechanism is movably connected with the inner wall of the side face of the fixing mechanism, the connecting rod mechanism comprises a connecting rod body, the telescopic rod mechanism comprises a telescopic rod body, the inner wall of the side face of the telescopic rod body is movably connected with the inner wall of the side face of the connecting rod body, and the fixing mechanism comprises a fixing nut. External threads are formed in the side face of the connecting rod body, internal threads are formed in the inner wall of the side face of the fixing nut, a fastening ring is movably connected to the side face of the connecting rod body, and a fixing clamping block is fixedly connected to the side face of the fastening ring; the transverse connecting rod of the supporting device is made of plastic materials, low in cost and capable of flexibly adjusting the length.
Owner:无锡市浩秀建材科技有限公司
Connecting rod of transmission shaft
The utility model discloses a connecting rod of a transmission shaft, which comprises a limiting component, and the limiting component comprises a fixing pipe, a bearing, a supporting rod and a connecting block. Through arrangement of a limiting assembly, when a transmission shaft body needs to be fixed into a connecting rod body, a threaded rod is rotationally fixed into the transmission shaft body, the connecting rod body is inserted into the transmission shaft body under the assistance of a guide groove, and when a connecting block penetrates through a fixing plate, a supporting rod is inserted into a bearing, so that the transmission shaft body is fixed. According to the technical scheme, rotating force is applied to the connecting rod body, so that the fixing plate and the magnet in the connecting block are connected together, the transmission shaft body can be limited in the connecting rod body, and then the first screw is fixed in the connecting rod body and the transmission shaft body, so that the transmission shaft is rapidly and stably fixed in the connecting rod; the screw can be conveniently fixed to the needed position, and the difficulty of installing the connecting rod is reduced.
Owner:XIAMEN JINGU HARDWARE PRODUCTS CO LTD
Piston type aero-engine main connecting rod inner hole surface strengthening treatment method
The invention discloses a surface strengthening treatment method for an inner hole of a main connecting rod of a piston type aero-engine. The surface strengthening treatment method comprises the following steps that S100, the main connecting rod is subjected to oil removal treatment; s200, performing waxing treatment on the non-plated surface on the main connecting rod to form an insulating protection layer; s300, weak corrosion activation treatment is conducted on an inner hole of the main connecting rod; s400, a tool clamp is used for installing and hanging the main connecting rod, then a lead and tin plating solution is poured into an inner hole of the main connecting rod for out-groove electroplating treatment, and the lead and tin plating solution comprises 110 g / L to 275 g / L of lead fluoroborate, 30 g / L to 65 g / L of stannous fluoroborate, 1 g / L to 2 g / L of hydroquinone and 1.5 g / L to 2.0 g / L of oxhide gelatin; and S500, the main connecting rod is detached from the tool clamp and then subjected to wax removal and cleaning treatment, and then whether the lead-tin layer is qualified or not is checked. According to the surface strengthening treatment method for the inner hole of the main connecting rod of the piston type aero-engine, the uniformity of a plating layer can be improved, the tin content in a lead-tin layer is increased, and the wear-resisting and lubricating capacity is enhanced.
Owner:CHINA HANGFA SOUTH IND CO LTD
Composite structure of metal connecting rod mechanism part
The utility model relates to the technical field of aviation equipment, and discloses a metal connecting rod mechanism part composite structure which comprises a first reinforcing block and a second reinforcing block, and the first reinforcing block and the second reinforcing block are arranged in parallel. The connection reinforcing frame is fixedly connected between the two first reinforcing blocks and the two second reinforcing blocks; the filling piece is arranged in the connection reinforcing frame and used for filling the connection reinforcing frame; the first coating layer is coated on an integral structure formed by the first reinforcing block, the second reinforcing block and the connection reinforcing frame; the protection assembly comprises a plurality of anti-abrasion parts, mounting holes are formed in the two ends of the first reinforcing block and the two ends of the second reinforcing block, and the anti-abrasion parts are arranged in the mounting holes. According to the utility model, the metal connecting rod mechanism is independently formed, the manufacturing period is short, rapid production can be realized, and the metal connecting rod mechanism has the advantages of light part weight, light weight, short production period and high strength.
Owner:BEIJING LANKE YINGSHENG AVIATION TECH CO LTD
Glued, carbon fiber reinforced control arms with ball and socket joints and methods of making the same
The invention relates to a control arm (1) having a frame (10), at least one interface (2, 3) arranged on the frame (10), and a ball-and-socket joint (4) arranged on the frame (10). The ball-and-socket joint (4) comprises an insert (8) of an elastic plastic material, which is glued in or on a complementary socket of the frame (10). A ball portion (5a) of a ball-and-socket joint pin (5) is arranged rotatably in the insert (8). A plastic material coating (6) is arranged on the ball portion (5a), and a metal coating (7) is arranged on the plastic material coating (6) in such a way that it comes into contact with the inner surface of the insert (8). The invention also relates to a method for producing the control arm (1).
Owner:FORD GLOBAL TECH LLC
Compressor connecting rod
The utility model provides a compressor connecting rod which comprises a connecting rod body, one end of the connecting rod body is provided with a first connecting ring used for being rotationally connected with a pin shaft on a piston, and the other end of the connecting rod body is provided with a second connecting ring used for being rotationally connected with an eccentric shaft on a driving component. A first bearing is axially embedded in the first connecting ring, and the first bearing is used for being matched between the first connecting ring and a pin shaft on the piston; a second bearing is axially embedded in the second connecting ring, and the second bearing is used for being matched between the second connecting ring and an eccentric shaft on the driving part; according to the compressor connecting rod, abrasion between the first connecting ring and the pin shaft on the piston can be effectively overcome, abrasion between the second connecting ring and the eccentric shaft on the driving part can be effectively overcome, and therefore the service life of the compressor connecting rod can be effectively prolonged.
Owner:NINGBO NINGJIANG POWDER METALLURGY
Clamping type engine connecting rod
The utility model relates to the technical field of clamping devices, in particular to a clamping type engine connecting rod which comprises a bottom plate used for supporting and fixing the clamping device of the engine connecting rod and a buffering assembly used for buffering in the clamping process of the upper end of the bottom plate. The connecting rod clamping and fixing device has the advantages that through mutual cooperation of the clamping assemblies, limiting and fixing work of the connecting rod to be installed can be completed, so that orderly proceeding of later assembly work is facilitated, the working efficiency is improved, and the working efficiency is improved. And compared with a conventional fixing mode of screwing in a fastening nut, the mounting and fixing efficiency is greatly improved, the buffering protection assembly is arranged at one end of the clamping assembly, buffering and protection are better conducted in the pulling process of the clamping assembly, and therefore the clamping assembly is prevented from being damaged, and the safety performance is improved.
Owner:TAIZHOU RUNYI MASCH MFG CO LTD
Improvements in or relating to crankshaft and connecting rod assemblies
An assembly of a crankshaft and a connecting rod, the crankshaft being rotatable about a crankshaft axis and comprising a crank pin (5) and a pair of crank webs (6). The connecting rod comprising a big end (10) connected to the crank pin by a big end bearing (11) located between the pair of crank webs and a small end for connecting the connecting rod to a piston. A reservoir (21) for lubricating oil being provided between the big end and the crank pin and a jetting passage (30) being provided for jetting, in use, a piston cooling jet of lubricating oil from the reservoir towards a back face of a piston connected in use to the small end of the connecting rod. The jetting passage comprising two cut-outs, a first cut-out (32) located in a side face (18) of the big end and a second cut-out (33) located in an inwardly-directed side face (19) of the crank web that faces said side face of the big end, the second cut-out defining an outlet (34) of the jetting passage. The first cut-out extends from an inner edge (36) of the side face only part way towards an outer edge (37) of the side face and the second cut-out extends from the outlet at an outer edge (38) of the inwardly-directed side face only part way towards an inner edge (39) of the inwardly-directed side face, such that the jetting passage is established when rotation of the big end about the crank pin overlaps the first cut-out with the second cut-out.
Owner:PERKINS ENGINES
Rotating wheel connecting rod mechanism
The utility model discloses a rotating wheel connecting rod mechanism which comprises a first connecting ring, a second connecting ring, a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected with the outer side face of the first connecting ring, and one end of the second connecting rod is fixedly connected with the outer side face of the second connecting ring. The right side face of the other end of the first connecting rod is fixedly connected with the left side face of the other end of the second connecting rod, the first connecting ring and the second connecting ring are each provided with an inner retaining ring and a gland, and the lower ends of the inner retaining rings penetrate through the upper end faces of the first connecting ring and the second connecting ring and then are arranged in the first connecting ring and the second connecting ring. The outer side face of the inner retaining ring makes contact with the inner wall of the first connecting ring and the inner wall of the second connecting ring, the upper end face in the gland makes contact with the upper end face of the inner retaining ring, and the gland is in threaded connection with the outer side face of the first connecting ring and the outer side face of the second connecting ring. The beneficial effects of the utility model are that: it is better to dismantle and not easy to break.
Owner:TONGLU FUCHUN POWER EQUIP CO LTD
Connecting rod with internal lubricant reservoir and method of making a connecting rod
PCT designated stage expiredWO2025117437A1Connecting rod bearingsConnecting rodsThermodynamicsLubrication
One or more techniques and / or systems are disclosed for a connecting rod that can comprise a body configured to house an internal lubricant reservoir. The reservoir can house and supply lubricant to bearings coupled with the rod. These bearings may be in fluid communication with the internal reservoir, which can in-turn provide lubricant to the bearings. The rod or bearings may comprise at least one lubrication port fluidly coupling the lubrication port with the bearing, to facilitate the flow of lubricant from the reservoir to the bearing.
Owner:ADVANCED FLOW SOLUTIONS INC
A connecting rod for a vehicle
A connecting rod (4) for a vehicle is disclosed. The connecting rod comprises a small end, a big end (10), and a shank (12) extending from the small end to the big end. The big end comprises a base part (14) located adjacent to the shank, and a cap part (16) connectable to the base part. In an assembled state, the base part and the cap part together define an inner circular surface (20), which defines a central opening which is configured to receive and house two bearing shells (6) for contacting said inner circular surface. The base part is provided with a first groove (22) and the cap part is provided with a second groove (24), wherein in said assembled state, the first groove and the second groove together form a through hole extending from an external surface (26) of the big end to said inner circular surface.
Owner:VOLVO TRUCK CORP