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517results about "Connecting rods" patented technology

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

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

Connecting rod transmission mechanism and mirror image engine

The invention relates to the technical field of mechanical transmission, and provides a connecting rod transmission mechanism and a mirror image engine. The connecting rod transmission mechanism comprises a power sliding block, a power connecting rod and two power pistons, the power connecting rod comprises a connecting rod base body and two linear rod parts, the linear rod parts extend in the first direction, the front end of each linear rod part is connected with one power piston, and the rear end of each linear rod part is fixedly connected with the connecting rod base body; the two linear rod parts are located on the two opposite sides of the connecting rod base body in the first direction, and the power sliding block is installed on the connecting rod base body in a sliding mode in the second direction. The linear rod part does not need to contain a bearing, rotation motion does not exist, the overall cross section is uniform or roughly uniform, standard sinusoidal motion / cosine motion is met, the size reduction design of the linear rod part and the air cylinder is facilitated, the compression ratio in the air cylinder is increased, the combustion efficiency is improved, the overall structure of the engine is more compact, and the needed engine cabin space is reduced. And the power-to-weight ratio and the acceleration performance of the vehicle can be improved.
Owner:SYTECH POWERTRAIN TECH CO LTD (GUANGDONG)

Push / pull rod

The invention relates to a push / pull rod (10) comprising at least one first fastening device (12) with a coupling element (12a) and a shank (12b) which is arranged on it, at least one first connection piece (18), wherein the first fastening device (12) is connected to the first connection piece (18) such that it can be rotated via a threaded arrangement (30) in order to change the length of the push / pull rod (10), a holding device with first and second holding elements interact, and are pressed against one another by means of a spring element (28), wherein the first holding element of the holding device is connected fixedly to the first connection piece (18) for conjoint rotation, and the second holding element is arranged fixedly on the first fastening device (12) for conjoint rotation.
Owner:S FASTENERS GMBH

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

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

Split type self-adaptive connecting rod and compressor

The invention provides a split type self-adaptive connecting rod and a compressor, relates to the field of compressor assemblies, and aims to solve the problem that an existing compressor connecting rod is insufficient in adaptability, a cross joint is adopted for connecting a crankshaft rod section and a piston rod section to form the split type connecting rod, and a first shaft rod and a second shaft rod of the cross joint are rotationally connected; the crankshaft rod section and the piston rod section are rotationally connected respectively, so that a universal joint is formed at the connecting position of the crankshaft rod section and the piston rod section, a limit is arranged for a revolute pair formed by the first shaft rod parallel to the axis of the hole part on the rod section, and the requirements for movement and force transmission between the crankshaft and the piston are met after torsion deflection is adapted. And the adverse effect of the position of the cross joint on the transmission process is reduced.
Owner:QINGDAO WANBAO COMPRESSOR

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

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

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

Connecting rod shaft assembly, air pump, air suspension system and vehicle

The utility model relates to a transmission mechanism of a pump body, in particular to a connecting rod shaft assembly which comprises a connecting rod shaft (1), one end of the connecting rod shaft (1) is connected with an eccentric wheel (2), the middle of the connecting rod shaft (1) is connected with a bearing (4), the upper end face of the eccentric wheel (2) is attached to the lower end face of the bearing (4), and the outer ring of the bearing (4) is connected with a piston rod (3). The eccentric wheel (2) drives the connecting rod shaft (1) to rotate so that the piston rod (3) can move linearly, and the movement track of the piston rod (3) is perpendicular to the central axis of the connecting rod shaft (1). The connecting rod shaft assembly can be connected with the connecting rod shaft through the eccentric wheel, the connecting rod shaft is provided with the bearing, and the bearing is attached to the eccentric wheel, so that the stress arm can be reduced, and the service life of the connecting rod shaft is prolonged.
Owner:BYD CO LTD

High-strength connecting rod for automobile air conditioner

The high-strength connecting rod for the automobile air conditioner comprises a connecting rod main body, a mounting hole is formed in the connecting rod main body, a main body part is detachably connected in the mounting hole, a containing groove is formed in the upper surface of the main body part, an avoiding hole is formed in the lower surface of the main body part, and the avoiding hole is communicated with the containing groove. According to the high-strength connecting rod for the automobile air conditioner, a maintainer can unscrew the bolt on the connecting rod main body, after the bolt is taken down, the main body part is rotated to enable the clamping block to be separated from the clamping groove and enter the groove at the same time, then the main body part is pushed upwards or downwards to be separated from the mounting hole in the connecting rod main body, and a new main body part is mounted in the mounting hole; according to the connecting rod, the clamping block on the new main body part firstly enters the groove and rotates, the clamping block enters the clamping groove and is clamped with the clamping groove, and finally the bolt is screwed, so that only the main body part needs to be replaced, the whole connecting rod main body does not need to be replaced, the maintenance cost is reduced, and waste is avoided.
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

Asymmetric connecting rod and mounting structure thereof

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

Sofa connecting rod with easy-to-disassemble function

The utility model relates to the technical field of sofa connecting rods, in particular to a sofa connecting rod with an easy-to-disassemble function, which comprises sofa side plates, telescopic sleeves arranged on the inner sides of the sofa side plates, internal thread sleeves fixedly connected with the end parts of the telescopic sleeves, and a first connecting rod piece and a second connecting rod piece fixedly mounted on adjacent sofa side plates respectively, the first connecting rod piece and the second connecting rod piece are fixed in a buckled mode, the first connecting rod piece comprises a first fixing rod, a first arc rod and an inserting hole, the first fixing rod is in threaded connection with the inner threaded sleeve, the first arc rod is fixedly installed at one end of the first fixing rod, and the inserting hole is formed in the arc center position of the first fixing rod; the second fixing rod is in threaded connection with the inner threaded sleeve. According to the utility model, the first connecting rod piece and the second connecting rod piece which are directly butted and inserted in a sliding manner are designed, so that the front-back displacement of the sofa can be limited without patting the sofa, and the front-back displacement limiting or the front-back and left-right displacement limiting can be realized according to different pushing distances between the sofas.
Owner:TAIZHOU JIANGYAN DISTRICT GLORY METAL PROD 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