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421 results about "Small head" patented technology

Water spaceship main hull with small head water resistance, tail water assisting and rudder braking function

The invention provides a water spaceship main hull with small head water resistance, tail water assisting and a rudder braking function. The water spaceship main hull is composed of a square main cabin section with the length of a, the width of b and the depth of c, a main hull head with the top view sharp and round and the side view round corner, a main hull tail with the top view sharp and round and the side view triangular rear view inverted square groove, the brake rudder and a water tumbler drain hole. The device has the effects of energy conservation, safety and high speed. The appearance of the main ship body has a unified resistance-reducing and energy-saving safety standard and does not follow the meaning of a designer any more.
Owner:MAOMING HIGH TECH IND DEV ZONE JIAZHOUCHUANGXINKEJI CO LTD

Water spaceship main hull with small head water resistance, tail water assisting and rudder braking function

PendingCN119218417ASteering ruddersHull stemsWater assistedStructural engineering
The invention provides a water spaceship main hull with small head water resistance, tail water assisting and a rudder braking function. The water spaceship main hull is composed of a square main cabin section with the length of a, the width of b and the depth of c, a main hull head with the top view sharp and round and the side view round corner, a main hull tail with the top view sharp and round and the side view triangular rear view inverted square groove, the brake rudder and a water tumbler drain hole. The device has the effects of energy conservation, safety and high speed. The appearance of the main ship body has a unified resistance-reducing and energy-saving safety standard and does not follow the meaning of a designer any more.
Owner:MAOMING HIGH TECH IND DEV ZONE JIAZHOUCHUANGXINKEJI CO LTD

Adjustable bobbin packaging equipment for wrap yarn processing

The invention discloses adjustable bobbin packaging equipment for wrap yarn processing, and relates to the technical field of wrap yarn processing, in particular to the adjustable bobbin packaging equipment for wrap yarn processing, which comprises a conveying mechanism, an adjusting mechanism is mounted at the top of the conveying mechanism, and a turnover mechanism is mounted at one end of the conveying mechanism. A packaging mechanism is installed at the bottom of the conveying mechanism, and a heat sealing mechanism is arranged at one end of the packaging mechanism. According to the adjustable bobbin packaging equipment for wrap yarn processing, the adjusting mechanism is arranged in the adjustable bobbin packaging equipment to adjust the position of a bobbin, the bobbin is prevented from deviating during packaging, the stability of wrap yarn processing and packaging is improved, and the clamping arms capable of being overturned and adjusted are arranged in the adjustable bobbin packaging equipment to adjust and clamp the large and small heads of the bobbin, so that the working efficiency is improved. And meanwhile, an inductive probe is arranged to induce the position of the bobbin, corresponding packaging operation can be conveniently conducted on all assemblies, manpower input is reduced, and the wrap yarn processing effect is improved.
Owner:SICHUAN FIRSTLADY TEXTILE CO LTD

Water spaceship main hull with small head water resistance, tail water assisting and rudder braking function

PendingCN119218415ASteering ruddersHull stemsWater assistedStructural engineering
The invention provides a water spaceship main hull with small head water resistance, tail water assisting and a rudder braking function. The water spaceship main hull is composed of a square main cabin section with the length of a, the width of b and the depth of c, a main hull head with the top view sharp and round and the side view round corner, a main hull tail with the top view sharp and round and the side view triangular rear view inverted square groove, the brake rudder and a water tumbler drain hole. The device has the effects of energy conservation, safety and high speed. The appearance of the main ship body has a unified resistance-reducing and energy-saving safety standard and does not follow the meaning of a designer any more.
Owner:MAOMING HIGH TECH IND DEV ZONE JIAZHOUCHUANGXINKEJI CO LTD

Piston pin hole friction and wear test and torque measurement device

A piston pin hole friction and wear test and torque measurement device in power machinery field, comprising a driving system, a torque measurement system, a loading system, a temperature control system, an oil supply system and a central controller. The driving system simulates the oscillation of the connecting rod. The loading system simulates the time-varying cylinder pressure load. The oil supply system and the oil channels of the connecting rod, bushing, and piston pin simulate the oil supply state. The torque measurement system comprises a total friction torque measurement device and a small head bushing hole friction torque measurement device, and measures the friction torque at the piston pin seat hole and the piston pin small head hole in real time. The temperature control system simulates the thermal load. The present application carries out tests based on actual components and realizes real-time measurement of friction torques.
Owner:SHANGHAI JIAOTONG UNIV

Reciprocating piston type refrigerator compressor crankshaft

The reciprocating piston type refrigerator compressor crankshaft comprises a crank, an operation groove is formed in the right side of the crank, a threaded sleeve is fixedly connected to the inner wall of the operation groove, a threaded rod is movably connected to the interior of the threaded sleeve through threads, and an adjusting handle is fixedly connected to the upper end of the threaded rod. The surface of the threaded rod is sleeved with a limiting mounting block, and the lower end of the threaded rod is movably connected with a rotating shaft. According to the utility model, the adjusting structure is additionally arranged, the adjusting handle is rotated by the wrench to control the threaded rod to drive the limiting mounting block to move longitudinally, and then the small end of the crankshaft and the piston part are driven by the limiting mounting block to move longitudinally; the crankshaft small head is attached to the limiting moving groove, so that the stability of the crankshaft small head can be greatly improved, the efficiency of the compressor can be optimized, the energy consumption can be reduced, and the compressor can be more flexibly suitable for various working conditions.
Owner:ZHEJIANG HAIPAI INTELLIGENT TECH CO LTD

In-mold knocking device of cold header

The embodiment of the invention relates to the technical field of new energy automobile part production, and discloses a cold header in-die knocking device which is composed of a first female die sleeve and a second female die sleeve, and a punching rod, a cavity position for containing a part and a marble B used for preventing the part from moving are arranged in the first female die sleeve; a cavity structure combined with an ejector pipe on the cold header is arranged in the second female die sleeve, and a sliding heavy punch is further arranged in the cavity and located on the left side of the ejector pipe. When the ejection pipe moves to the extreme position of the leftmost end, the left end face of the ejection pipe makes contact with the A plane of the second female die sleeve. A spring is arranged in the second female die sleeve, the two ends of the spring are connected with the sliding heavy punch and the left end face of the ejection pipe respectively, and the spring is arranged on a pipe of the sliding heavy punch in a sleeving mode. By means of the device, when some aluminum alloy parts in special shapes are produced on a cold header, a circle of pits are rapidly printed on the small end faces of the aluminum alloy parts and used for marking and recognizing the parts.
Owner:BEIJING SINGUKELLER AUTOMOTIVE COLD FORMING PARTS INC

Machining device and method for main and auxiliary connecting rods of diesel engine

The invention provides a machining device and method for a main and auxiliary connecting rod of a diesel engine. The machining device comprises a fine boring base, a connecting rod large end positioning assembly and a connecting rod small end positioning assembly. The connecting rod big end positioning assembly comprises a positioning block and two positioning plates which are oppositely arranged, and the positioning block, the two positioning plates and the fine boring base jointly form a first positioning gap used for containing the connecting rod big end; the connecting rod small end positioning assembly comprises a positioning block, a positioning plate and a floating supporting block, a V-shaped groove is formed in the side wall, close to the connecting rod small end, of the positioning block, the V-shaped groove of the positioning block, the positioning plate and the fine boring base jointly form a second positioning gap used for containing the connecting rod small end, and the floating supporting block is aligned to the positioning plate. According to the machining device and method, the connecting rod can be positioned, pressed and fixed for fine boring machining, error accumulation of connecting rod machining is eliminated by adjusting the height of the floating supporting block, the machining device and method are suitable for machining connecting rods of various types and specifications, fixing is reliable, dismounting and mounting are convenient, and the positioning precision and machining precision of the connecting rod are guaranteed.
Owner:山西柴油机工业有限责任公司

Egg placing mechanism and intelligent incubator with same

The invention relates to the technical field of incubator accessories, in particular to an egg containing mechanism and an intelligent incubator with the egg containing mechanism, the egg containing mechanism comprises an incubation tray and further comprises a connecting sleeve and a turning-around assembly, the connecting sleeve is rotationally arranged on the outer side of a positioning column in a sleeving mode, and the outer side face of the connecting sleeve is of a polygonal structure; each outer side face of the connecting sleeve is movably connected with two transversely-arranged sliding plates, and the two sliding plates are each rotationally connected with an egg support arranged in the length direction of the corresponding sliding plate. The turning-around assembly is arranged between the sliding plate and the egg supports and used for exchanging the inner side and the outer side of the upper egg support and the outer side of the lower egg support. The two clamping plates are arranged on the egg support to fix the two ends of the eggs, the turning-around assembly is arranged at the bottom of the egg support, when the egg support rotates, the second gear ring in the cover body is matched, so that the egg support drives the eggs to change the positions of large heads and small heads, the two ends of the eggs can be intermittently and uniformly heated, and the hatching rate of the eggs is increased.
Owner:GUANGZHOU RONGSHI ELECTRONICS CO LTD

Foot-expanding assembled lattice type tower suitable for large-scale wind turbine generator

The invention discloses a structural tower suitable for a large wind turbine generator, which comprises a steel tower drum, a switching node and a lattice tower, the lattice tower comprises a foot expanding section, a straight section and a variable angle section for connecting the foot expanding section and the straight section, the straight section is positioned above a blade tip, and the foot expanding section is positioned below the blade tip; a prestressed cable bundle channel is formed in the variable-angle section in the axial direction of the variable-angle section, a smooth inward-convex structure facing the steering side is formed in the position, where the prestressed cable bundle steers, of the prestressed cable bundle channel, and the cross section, at the smooth inward-convex structure, of the prestressed cable bundle channel is a bell-shaped hole with one large end and the other small end; the small end of the bell-shaped hole is an arc section with the diameter larger than that of the prestressed cable bundle, the small end of the bell-shaped hole faces the steering direction of the prestressed cable bundle, and the shape of the bell-shaped hole is gradually reduced from the two ends of the smooth inward-protruding structure to the center hole, so that the smooth inward-protruding structure is formed. According to the application, the prestressed cable bundle can be controlled and uniformly steered, and the prestress loss is reduced.
Owner:CHINA INST OF BUILDING STANDARD DESIGN & RES +1

Pipe fitting machining surface spraying device and method

The invention relates to the technical field of pipe fitting machining, in particular to a pipe fitting machining surface spraying device and method. Comprising a base assembly, a shifting assembly installed on the base assembly, a spraying assembly installed at the output end of the shifting assembly, an outer dust removing assembly installed on the spraying assembly, a first-stage driving assembly installed on the base assembly and a steering assembly connected to the output end of the first-stage driving assembly. The first-stage driving assembly is installed on the steering assembly, the second-stage driving assembly is installed on the steering assembly, the alignment assembly is movably connected to the steering assembly, the first-stage driving assembly is used for driving the steering assembly to rotate according to a preset angle, and the second-stage driving assembly is used for driving the alignment assembly to rotate; the gas spring pipe fitting is fixed, meanwhile, the small head end is turned over, the arc-shaped outer wall and the plane outer wall of the small head end are sprayed in the two directions, two coatings are formed at the internal corner, and the combination degree of the coating and the pipe fitting is better.
Owner:ANHUI LAITE GAS SPRING CO LTD

Rotary switching type on-line adjusting underflow port and cyclone

The utility model relates to the technical field of on-line adjustment of underflow ports, in particular to a rotary switching type on-line adjustment underflow port and a swirler, and the rotary switching type on-line adjustment underflow port comprises a driving assembly, a rotating piece, an adjusting section and a guide pressing assembly; the driving assembly is in transmission connection with the rotating piece; the at least one adjusting section is arranged on the rotating part and is provided with a first large head end and a first small head end; a guide pressing assembly is arranged on the outer edge of the tail end of the cyclone, or a guide pressing assembly is arranged on the outer edge of the first large head end; the driving assembly drives the rotating part to rotate, so that the adjusting section on the rotating part is communicated with or separated from the tail end of the cyclone, and the caliber of the underflow opening of the cyclone is adjusted online. The guiding and pressing assembly guides the first large-head end and presses the tail end of the swirler and the first large-head end of the adjusting section, and the sealing performance of the tail end of the swirler and the first large-head end is guaranteed. Compared with the prior art, the caliber of the bottom flow opening of the cyclone can be adjusted without shutdown of the cyclone.
Owner:TIANJIN MEITENG TECH CO LTD

Recycled concrete cement electric pole small head feeding device

The utility model relates to the technical field of feeding, and discloses a recycled concrete cement electric pole small end feeding device which comprises a mounting frame, and a stirring assembly is arranged on the side wall of the mounting frame. According to the recycled concrete cement pole small head feeding device, mortar is stirred through a stirring plate, slurry is lifted through a spirally-arranged lifting plate, the slurry falls onto the stirring plate after being lifted, meanwhile, the lifting plate can drive the slurry to transversely move, so that the slurry is mixed more uniformly, the quality of the slurry is improved, and the angle motor rotates, so that the stirring effect is better; a rotating shaft rotates to drive a reciprocating screw rod to rotate under the transmission action of a belt II, and the reciprocating screw rod rotates to enable a connecting piece to drive a sleeve rod to do transverse reciprocating motion, so that a stirring plate can cover a larger range to stir the slurry in a larger range; and the stirring effect is improved.
Owner:QUJING DACHENG TRADING CO LTD

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

Drilling guider for small-end hole of connecting rod

The utility model relates to the technical field of drilling guiders, in particular to a drilling guider for a small-end hole of a connecting rod. The drilling device comprises a base, a stand column is fixedly connected to the upper surface of the base, a motor is fixedly connected to the interior of the stand column, a drill bit is fixedly connected to the output end of the motor, an electric wire is fixedly connected to the interior of the motor, the other end of the electric wire is fixedly connected with the stand column, and a guide device is arranged at one end of the stand column. The guiding device comprises a sliding groove, the sliding groove is formed in the stand column, a sliding block is slidably connected to the interior of the sliding groove, a guiding plate is fixedly connected to one end of the sliding block, an opening groove is formed in the guiding plate, and a sliding rod is slidably connected to the interior of the opening groove. The problems that when a drill floor is used for drilling a to-be-machined connecting rod, the to-be-machined connecting rod cannot move up and down, the drilling depth of the to-be-machined connecting rod is limited, the production quality is affected, and therefore the production efficiency of a traditional drill floor is reduced are solved.
Owner:TAICANG JIANERCHENG PRECISION MASCH CO LTD

Hydraulic automatic clamp for turning double-oil-cylinder crankshaft connecting rod neck

The utility model discloses a hydraulic automatic clamp for turning a double-oil-cylinder crankshaft connecting rod neck, and relates to the technical field of metal cutting. A main body is clamp bodies located on the two sides, a machining crankshaft is located between the two clamp bodies, double-hole one-piece oil cylinders and a force increasing mechanism are arranged in an inner cavity of each clamp body, and the two double-hole one-piece oil cylinders share one clamp body; the force increasing mechanism comprises two sets of hinge shafts, two sets of dovetail sliding blocks and two sets of dovetail swing rods which are symmetrical on the left side and the right side, a torsion shaft is arranged in the center of the large end of each dovetail swing rod, the small end of each dovetail swing rod is connected with the corresponding dovetail sliding block, the hinge shafts are arranged in the centers of the dovetail sliding blocks, a beam is connected between the two sets of hinge shafts, and the beam is arranged on a beam shaft in a sleeving mode. And the top end of the cross beam shaft is connected with a double-hole one-piece oil cylinder. The two double-hole one-piece oil cylinders share one oil cylinder body, the pressure of the oil cylinders is the same, the action of the cross beam is synchronous, clamping power generated by the hydraulic oil cylinders is amplified by the force amplifier and converted into torque, and the torque is transmitted to the clamping jaw through the torsion shaft, so that a crankshaft is clamped.
Owner:ZHONGSHAN MLTOR CNC TECH CO LTD

Self-tightening side column node structure of assembled steel structure pool

The utility model discloses an assembly type steel structure pool self-tightening type side column node structure which comprises wallboard units, a steel column and a rubber sealing gasket, each wallboard unit comprises a wallboard surface and a wallboard side column, the steel column is correspondingly arranged between the two wallboard units, the cross section of the steel column is a trapezoid section with one large end and one small end, and the rubber sealing gasket is arranged between the wallboard surface and the wallboard side column. The small end of the wallboard side column is arranged on the upstream side close to the pool, the side, close to the steel column, of the wallboard side column is an inclined face matched with the side face of the steel column, a rubber sealing gasket is arranged between the wallboard side column and the steel column, and the wallboard side column, the rubber sealing gasket and the steel column are fixedly connected through high-strength bolts and achieve abutted seam sealing. And the wallboard units and the steel columns are compacted and reinforced under the action of water pressure in the water pool. The wall plate side column node is simple in structure and ingenious in design, the steel column and the wall plate side column section are optimally designed, the reinforcing and sealing effects can be achieved by means of water pressure in a water pool, and the problem of hidden danger of water seepage of the side column node is effectively solved.
Owner:ZHEJIANG ZHONGCHANG WATER TREATMENT TECH CO LTD

Vertical tank cone forming tool

The vertical tank cone forming tool comprises a mounting platform, a suspension arm and a small end socket supporting mold, and the mounting platform is provided with a circular mounting channel; the lifting arm is connected with a lifting rope and used for lifting a cone to the mounting platform and enabling the lower portion of the cone to be located in the mounting channel, the position, close to the lifting rope, of the lifting arm is connected with a vertical telescopic element, and a telescopic shaft of the vertical telescopic element is located at the bottom; the small end socket supporting mold is located under the installation channel, a groove suitable for containing a small end socket is formed in the top of the small end socket supporting mold, and the bottom of the small end socket supporting mold is connected with an elastic telescopic mechanism. And when the vertical telescopic element downwards presses the small end socket on the small end socket supporting mold from the cavity of the cone, a vertical displacement space can be generated. According to the vertical tank cone forming tool, the mounting precision of the small end socket can be effectively ensured in the small end socket assembling process, the labor intensity is reduced, and the working efficiency is high.
Owner:SHANDONG LIANGSHAN TONGYA AUTOMOBILE MFG CO LTD

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

Small-end oil hole detection device for connecting rod production

The invention relates to the technical field of automobile part processing equipment, discloses a small-head oil hole detection device for connecting rod production, and aims to solve the problem that a hole wall detection result of a small-head oil hole is affected due to the fact that a detection rod is affected by external impurities. Through the arrangement of the blocking mechanism, during use, the cylinder and the square cylinder are arranged on the two sides of the small-head oil hole, then the detection table extends into the small-head oil hole, the detection operation is completed by utilizing the axial contact between the detection rod on the detection table and the inner wall of the small-head oil hole, and in the process, the cylinder and the square cylinder are pressed on the two side faces of the small-head oil hole, so that the detection efficiency is improved. Through the actions, the amount of external impurities entering the small-head oil hole is reduced, so that the hole wall detection result of the small-head oil hole is not easily influenced.
Owner:NANGONG JINGQIANG CONNECTING ROD CO LTD

A valve body feeding mechanism for one-way valve assembly processing

The present application relates to the technical fields of one-way valve assembly, and discloses a valve body feeding mechanism for one-way valve assembly processing, which comprises a vibrating disc for conveying one-way valve bodies, one end of the one-way valve body being a large-head flange end and the other end being a small-head guide end, a clamping module being installed at the outlet of the vibrating disc, the clamping module having two output ends, after adopting a pre-pose optimization structure, the valve bodies can be corrected in pose and separated in advance, effectively reducing the workload of pose adjustment on the subsequent track, avoiding a large number of unqualified valve bodies from entering the subsequent process, at the same time, through the design of separation, the batch valve bodies are dispersedly conveyed, avoiding the delay of feeding caused by congestion, ensuring that the clamping module can continuously and stably obtain qualified valve bodies without waiting for replenishment, in addition, the valve bodies in vertical pose are selected in advance, greatly reducing the falling probability on the subsequent track, reducing repeated rework, improving the feeding efficiency, and laying a stable foundation for the subsequent assembly process of steel balls and springs.
Owner:YUHUAN KAILI AUTO PARTS CO LTD

Rotary dispensing valve

The invention discloses a rotary dispensing valve, which belongs to the field of dispensing valves, and comprises a main valve body, a first air port, a second air port, a first limiting block, a second limiting block, a first rotating shaft, a bearing, a blade, a second rotating shaft, a glue inlet and a glue outlet piece, the first rotating shaft is connected with the second rotating shaft, the first rotating shaft is fixedly provided with the blade, and the second rotating shaft is connected with the bearing. A cavity is formed in the upper portion in the main valve body, the first limiting block, the second limiting block and the first rotating shaft divide the cavity into a first cavity and a second cavity, a gap allowing air to circulate in the first cavity and the second cavity is formed between the second limiting block and the inner wall of the main valve body, the first air port is communicated with the first cavity, and the second air port is communicated with the second cavity. The lower portion of the main valve body communicates with a glue inlet, the side wall of the second rotating shaft is provided with a glue inlet channel, and the lower portion of the second rotating shaft is provided with a glue outlet channel communicating with the glue inlet channel. Glue is switched between flowing and flowing stopping in a rotary shearing mode, and the problem of large and small heads can be perfectly solved.
Owner:XIAMEN WEISHENGBANG NETWORK SCI & TECH CO LTD

Device and method for generating power by effectively utilizing air pressure difference

The invention provides a device for effectively utilizing air pressure difference to generate power. The device comprises an air guide pipe, a low-pressure box, a power generation mechanism and turbine blades. When airflow enters from the air guide pipe and enters from the large end of the air guide pipe to the small end of the air guide pipe, the circulation area of the airflow is gradually reduced, the airflow speed is gradually increased, after the airflow speed is increased, the rotating speed of turbine blades can be increased, and the power generation efficiency is improved; when the airflow flows through the wing-shaped cambered surfaces, a low-pressure field is generated between the two wing-shaped cambered surfaces in the low-pressure box, and the airflow flowing out of the small end of the air guide pipe is guided to flow towards the low-pressure field by utilizing the air pressure difference between the small end of the air guide pipe and the low-pressure field between the two wing-shaped cambered surfaces. The flow speed of airflow in the air guide pipe can be further increased, and the power generation efficiency of the power generation mechanism is further improved.
Owner:FUJIAN BAIBOYUAN WIND POWER TECH CO LTD

Press mounting and dismounting tool for chain link and steel sleeve of raking tooth machine

The utility model provides a raking tooth machine chain link and steel bushing press mounting and dismounting tool which comprises a portable oil press, an oil press baffle and a raking tooth machine chain link fixing mechanism, the bottom of the portable oil press abuts against the oil press baffle, and the raking tooth machine chain link fixing mechanism is arranged at the front end of the portable oil press; the portable oil press comprises a steel sleeve dismounting device, and the steel sleeve dismounting device can dismount a steel sleeve from a raking tooth machine chain link or press the steel sleeve into the raking tooth machine chain link. The portable oil press structure is adopted, the steel sleeve in the raking tooth machine chain link can be mechanically taken out, manual replacement is avoided, time and labor are saved, the tool is simple in structure, convenient and fast to disassemble and assemble and convenient to carry, press-fitting and disassembly of the large-head steel sleeve and the small-head steel sleeve of the raking tooth machine chain link can be achieved at the same time, and the problem that the raking tooth machine chain steel sleeve is difficult to disassemble and assemble on a customer site is solved.
Owner:YIYANG BAILIAN CHAIN TECH CO LTD

A method for integrally machining an inner ring and an outer ring of a water pump upper crown

ActiveCN117680936BProcessing Size RequirementsRequires accuracyNumerical controlImpeller
The present application relates to the field of water turbine processing technology, and discloses a kind of water pump upper crown inner ring and outer ring integral processing method, comprising the following steps: scribe line;Coarse lathe;Processing casting defects;4 process pressing plates are symmetrically welded on flow channel curved surface;Semi-finish lathe;Draw center cross line, draw each screw hole processing line;Finish lathe flow channel curved surface: clamp big head flange outer circle, dial gauge alignment has been processed inner circle, numerical control programming, semi-finish lathe, finish lathe small head end surface, flow channel curved surface, R fillet, step plane to drawing size, and according to drawing size position requirement, 0.20mm deep mark is engraved, and it is used for blade welding, and it is combined with crown flow channel template inspection;With processing inner hole as scribe line reference, draw impeller upper crown flow channel weld joint circle line;According to circle line, cut into upper crown inner ring and upper crown outer ring into two halves, so that the impeller upper crown flow channel processing size, form tolerance accuracy and roughness meet the requirements.
Owner:CHONGQING WATER TURBINE WORKS

Surfacing welding device for repairing connecting rod of diesel engine

The utility model is suitable for the technical field of diesel engine parts, and provides a diesel engine connecting rod repair surfacing device which comprises a base, a welding assembly, a clamping assembly used for abutting against a connecting rod small end on a diesel engine connecting rod and a limiting assembly used for limiting a connecting rod large end on the diesel engine connecting rod. The clamping assembly comprises a mounting box, a chuck mounted on the mounting box and a guide part mounted at the axis of the chuck, a sliding groove is formed in the chuck, an abutting part is slidably arranged in the sliding groove, and the limiting assembly comprises a positioning part used for positioning the large end of the connecting rod and a limiting part arranged on one side of the positioning part. The limiting piece comprises a sliding rail and a limiting plate installed on the sliding rail in a sliding mode. The device solves the problems that the chuck is difficult to clamp the large head of the square diesel engine connecting rod and cannot ensure the positioning of the large head of the connecting rod, and achieves the effects of limiting and clamping the large head and the small head of the diesel engine connecting rod with different shapes and avoiding the influence of inaccurate positioning of the diesel engine connecting rod on the surfacing quality in the surfacing process.
Owner:CHANGZHOU YUNFENG LOCOMOTIVE & ROLLING STOCK PARTS CO LTD

A posture adjustment device and method

The application discloses a posture adjusting device, relates to the field of adjusting devices, and comprises a transmission device and a mechanism.When a rotating shaft one drives a transmission belt to move and transport a to-be-tested connecting rod through the mechanism, a sensor detects a large head of the to-be-tested connecting rod, a rotating shaft two drives a baffle of the mechanism to be put down, then a gap between the baffles clamps a I-shaped rib of a body of the to-be-tested connecting rod, and a small head of the to-be-tested connecting rod is also limited in a certain range.When the to-be-tested connecting rod continues to pass, because the body of the to-be-tested connecting rod is clamped, the small head of the to-be-tested connecting rod moves to the middle, and the to-be-tested connecting rod with a skew posture is automatically adjusted to a flat posture.The posture skew problem of the to-be-tested connecting rod on a flow line is solved.
Owner:JIANGSU HONGBAO FORGING

Method for machining a connecting rod with a reference unification

The application provides a reference-unified connecting rod machining process method. In the initial machining of the connecting rod, a process positioning hole is machined on the rod body and the rod cover end face, so that the process positioning hole penetrates the whole machining process of the connecting rod, the reference is unified from the front to the back of each process, the positioning error of each process is reduced, the machining precision of the part is improved, the positioning is accurate, convenient and fast, the positioning error is reduced, the machining precision is improved, the quality is guaranteed and the production efficiency is improved, the positioning reference is unified, the positioning error between each process is avoided, the precision requirement of the big head hole and the small head hole, the rod cover joint surface and the convex shoulder surface as the positioning reference is reduced, and the production cost is reduced.
Owner:SHANNXI DIESEL ENGINE HEAVY IND

Connecting rod frame

The utility model relates to a connecting rod frame which is used for fixing a connecting rod, the connecting rod comprises a small end and a large end, the connecting rod frame comprises a main frame, and a lower limiting part and an upper limiting part which are arranged on the main frame; the lower limiting part abuts against the outer side wall of the small head end, and the upper limiting part abuts against the end face of the large head end so as to fix the connecting rod. The abutting position of the upper limiting part and the large head end is located above the side of the abutting position of the lower limiting part and the small head end, so that triangular support is formed between the connecting rod frame and the connecting rod, and the connecting rod fixing structure has the advantage that the connecting rod is stably fixed.
Owner:ZHEJIANG JIULONG MASCH CO LTD