463 results about "Piston ring" patented technology

The invention discloses a novel plug-in type glass fiber reinforced plastic air duct, and relates to the technical field of glass fiber reinforced plastic air ducts. The novel plug-in type glass fiber reinforced plastic air duct comprises a duct body, a plug-in section is arranged at the left end of the duct body in a sealing and sliding mode through a piston ring, a clamping ring is fixed to the left end of the plug-in section, and a check ring is fixed to the inner wall of the duct body; the sealing adjusting assembly is mounted on the inner wall of the socket section through two sliding grooves; and the auxiliary dismounting assembly is arranged between the mounting frame and the sealing adjusting assembly. The sealing ring tightly attached to the outer wall of the inserting section is arranged on the inner wall of the socket section, so that the sealing performance of the inserting structure is improved; the sealing adjusting assembly is arranged, the sealing ring is opened in the inserting process of the inserting section, and the friction resistance during inserting is reduced; by arranging the inserting section capable of being adjusted in a sliding mode and the auxiliary disassembling assembly, the inserting section can be slidably contained in the barrel body during disassembling, the two ends of the middle-section glass fiber reinforced plastic air barrel and the other glass fiber reinforced plastic air barrel are not partially overlapped, and therefore the middle-section glass fiber reinforced plastic air barrel can be rapidly separated from the air barrels at the two ends, and the maintenance and replacement efficiency is improved.

A sliding arrangement for use in an internal combustion engine is described, comprising a cylinder liner (1) and at least one piston ring (10), wherein the liner (1) has a through-bore defining an inner surface (S) which in turn defines three sections: a first section (2) near the end of the piston stroke, facing the cylinder head (at top dead center, TDC); a second, middle section (3); and a third section (4) near the end of the piston stroke, facing the crankshaft of the engine (at top dead center, TDC), wherein (i) the TDC section (2) of the liner (1) has a surface finish with a first roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”); the middle section (3) of the liner (1) has a surface finish with a second roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”);(1) the BDC section (4) of the cylinder liner (1) has a surface finish with a third roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”), and the roughness value of the middle section (3) is significantly lower than the roughness value of the TDC section (2), and is defined by an essentially very smooth structure of recesses and projections (“valleys” and “raised areas”); and (ii) a ceramic coating (R) is applied to at least part of the contact surface of the piston ring (10) by the physical vapor deposition (PVD) process.

The invention relates to a pinhole cable glue pouring device and method of a motor train unit brake control system, and belongs to the technical field of cable connection.The pinhole cable glue pouring device of the motor train unit brake control system comprises a machine body, a glue pouring device, a glue pouring tool and a defoaming mechanism, the glue pouring device is arranged on the machine body, and the defoaming mechanism is arranged on the machine body; the glue pouring device is used for providing pouring glue, the glue pouring tool is used for fixing a cable and a connector, a glue pouring cavity is formed in the glue pouring tool, when the cable and the connector are fixed to the glue pouring tool, the connecting position of the cable and the connector is located in the glue pouring cavity, the defoaming mechanism is arranged on the glue pouring tool, and the defoaming mechanism is arranged on the glue pouring tool. The defoaming mechanism comprises a defoaming ring detachably arranged on the glue filling tool, a piston ring arranged in the defoaming ring in a sliding mode, an operation piece arranged on the defoaming ring and an isolation assembly arranged on the bottom wall of the defoaming ring. The cable connector has the effect of ensuring the connection reliability between the cable and the connector.

A thermal ablation-resistant, wear-resistant, and friction-reducing coated piston ring, a preparation method thereof and an engine are provided. An outer circumferential surface of a piston ring material matrix includes, from bottom to top, a wear-resistant and friction-reducing layer and a protective layer, and the protective layer is a single nitride layer or a multi-element nitride layer. The piston ring is arranged with the wear-resistant and friction-reducing layer and the protective layer from bottom to top. When the piston ring is installed in the engine, the high-temperature and high-pressure gas flow impacts the piston ring and contacts the protective layer on the surface of the piston ring, while the inner diamond-like carbon coating (DLC) functional layer is completely “encapsulated” and protected by the outer protective layer. The protective layer possesses higher ablation resistance compared to the DLC layer, effectively preventing phase transformation in the internal DLC layer.

The application relates to the technical field of compressors and discloses a gas piston assembly for an ultrahigh-pressure liquid-drive piston compressor, which comprises a gas piston body, a sealing element and a connecting element; the gas piston body comprises oppositely arranged first and second body parts, a cylindrical protruding part is arranged at the center of the end face of one side of the first body part, and the second body part is provided with a positioning insertion hole matched with the cylindrical protruding part at the center of the end face opposite to one side of the first body part; the sealing element comprises a plurality of first piston rings and a plurality of second piston rings, the plurality of first piston rings and the plurality of second piston rings are all sleeved on the cylindrical protruding part and are alternately arranged, and the first piston rings are arranged close to the end face of the first body part; the connecting element is used for connecting the first body part and the second body part together after the cylindrical protruding part is inserted into the positioning insertion hole; the combined piston ring is used for replacing the traditional pan piston structure for sealing, and can solve the sealing problem caused by the extremely high pressure and temperature under the ultrahigh-pressure working condition.

The invention belongs to a sealing structure and aims to solve the problem that an existing piston sealing structure used in liquid hydrogen filling is affected by the low-temperature and high-pressure environment. The sealing structure suitable for the low-temperature liquid hydrogen pump and the low-temperature liquid hydrogen pump comprise a piston rod body arranged in an inner cavity of a pump body, and a plurality of piston rings are installed on the outer wall of the sealing end of the piston rod body in the axial direction. An elastic piece is arranged between the piston ring and the outer wall of the sealing end, and the piston ring and the elastic piece form a radial sealing structure. Meanwhile, the radial sealing structure abuts against one axial end of the sealing groove, an elastic cushion piece is arranged between the radial sealing structure and the other axial end of the sealing groove, and the elastic cushion piece and the radial sealing structure form an axial sealing structure. The sealing structure is less affected by the low-temperature and high-pressure environment, the sealing performance is greatly improved, the service life can be effectively prolonged, and leakage is reduced.

The invention discloses an anti-abrasion structure for a piston ring of a reciprocating gas compressor, belongs to the technical field of gas compressors, and aims to solve the technical problems that the piston ring of the existing reciprocating gas compressor is easy to abrade, uneven in lubrication, poor in air inlet filtering effect and insufficient in transmission stability. According to the technical scheme, the air compressor is characterized by comprising an air storage tank, a protective shell, a mounting sleeve, a sealing plate, a connector, a rotating circular plate, a driven shaft, a compression assembly, a driving assembly, an air inlet cylinder and a filtering assembly and further comprising an air inlet connector and a connecting pipe; an L-shaped plate and a piston plate are arranged on the side portion of the piston ring and matched with an oil groove and a permeation hole to achieve precise lubrication, the filtering assembly adopts a conical filtering net and a circular filtering cylinder to conduct double filtering and is convenient to disassemble, assemble and clean, the driving assembly is matched with a synchronizing wheel through a servo motor for transmission to guarantee stable operation, and compressed gas is fed into a gas storage tank through a gas inlet connector after being gathered through a connecting pipe.

The application discloses a full-automatic milk boiling pot capable of automatically boiling milk without overflowing, which comprises a pot body, a handle, an inner tube, a movable rod, a pot cover, a pressure sensor, a gas permeation hole, a control button panel, an interface, a bottom plate, an insulating plate, a heating disc, a control panel, a fixing column, a supporting block, a discharging cylinder, a connecting pipe, a rack, a temperature sensor, a servo motor, a gear, a first missing groove, a second missing groove, a trapezoidal plug, a guide rod, a first spiral spring, a guide plate, a guide hole, an iron plate, an electromagnet, a fixing frame, a liquid level sensor, a circular ring groove, a connecting rod, a straight cylinder, a discharging hole, a piston ring, a fixing ring, a second spiral spring, a lower blocking ring, an upper blocking ring, a third spiral spring and a gate plate. The application has the advantages of being used for automatically boiling milk, and compared with the traditional technology, the pot cover can be automatically opened during the milk boiling process, the foaming caused by the boiling of the hot milk cannot be discharged, the foaming foam can automatically fall down, and the overflow can be avoided.

This utility model discloses a wear-resistant rubber piston, relating to the field of hydraulic cylinder piston technology. It includes a first piston ring, with a second piston ring fixedly sleeved on the outer side of the first piston ring. An annular cavity is formed inside the first piston ring, and a wear-resistant mechanism is provided at the annular cavity. The wear-resistant mechanism includes a first elastic ring and a second elastic ring, with multiple springs and multiple buffer airbags spaced apart between them. The first piston ring compresses the first and second elastic rings, thereby buffering and absorbing external forces. The multiple springs connect the first and second elastic rings into a whole, improving the resistance to external forces. The multiple buffer airbags absorb the pressure on the first and second elastic rings, further enhancing the buffering and absorption of external forces, thus improving the overall pressure resistance and wear resistance of the rubber piston.

The utility model discloses a threading rod for a piston ring, which is applied to the technical field of piston rings and comprises a telescopic rod body and a threading rod body, a threaded shaft which is in threaded connection with the threading rod body is rotatably connected inside the telescopic rod body in a penetrating manner, and a linear chute is arranged on the surface of the threading rod body. The threaded shaft is rotated to be in threaded engagement with the threading stick body, the length of the telescopic stick body and the length of the threading stick body can be adjusted, and the diameter of the extending part is consistent with the diameter of the surface of the telescopic stick body and the diameter of the surface of the threading stick body through the extending rod. Therefore, the inner diameter of the piston ring is supported, and the surface penetrating stability of the piston ring is guaranteed. The trapezoidal clamping block pops up to the surface of the threading rod body through the elastic force of the spring, and the piston ring threaded on the surface of the threading rod body is automatically limited, so that the piston ring is prevented from sliding and falling off. And meanwhile, the trapezoidal clamping block can be retracted into the threading rod body by actively rotating the threaded rod, so that the piston ring is taken out from the surface of the threading rod body, and the practicability of the threading rod is improved.

The invention relates to a piston ring. A piston ring (100) for a piston of a reciprocating internal combustion engine comprises a ring section (1) and a lock section (2). The lock segment (2) comprises a circumferential parting line (7) at a first axial parting line distance (PaT) from the top surface (T) of the piston ring (100) and at a second axial parting line distance (PaB) from the bottom surface (B) of the piston ring (100). Furthermore, the piston ring (100) comprises an arcuate profile (10) having a circumferential pivot line (8) at a first axial pivot line distance (PiT) from the top surface (T) and at a second axial pivot line distance (PiB) from the bottom surface. The axial distance (9) between the circumferential parting line and the pivot line is less than 20% of the axial width of the piston ring. The arcuate profile (10) may include a most protruding, axially extending flat section (14). The flat section (14) comprises a circumferential parting line (7).

The internal combustion engine piston capable of reducing abrasion comprises a piston body and a piston head, the piston body and the piston head are fixed, a piston ring groove is formed in the outer wall of the circumference of the piston head, a sealing ring is fixedly connected in the piston ring groove, a plurality of reinforcing rings are fixed in the piston head, the piston body comprises a high-temperature-resistant filling layer, and the high-temperature-resistant filling layer is arranged in the piston ring groove. A high-temperature-resistant filling layer is fixedly connected to the outer side of the plug body, a wear-resistant layer is fixedly connected to the outer side of the high-temperature-resistant filling layer, the high-temperature-resistant filling layer is made of aluminum alloy or nickel alloy, the wear-resistant layer is a dlc coating or a high-silicon aluminum alloy coating, and an assembly hole is formed in the bottom of the plug body. According to the wear-resistant piston, the high-temperature-resistant filling layer and the wear-resistant layer are matched for use, so that the piston body is more wear-resistant and high-temperature-resistant, the service life of the piston is prolonged, meanwhile, the piston and an external device can be connected more tightly through the sealing ring, and the piston head can be firmer and more durable through the reinforcing ring.

To provide a piston ring for providing sufficient sealing and long life durability of the piston ring and a cylinder liner.SOLUTION: A piston ring 100 for a piston of a reciprocating internal combustion engine includes a ring part 1 and a locking part 2. The lock 2 comprises a circumferential parting line at a first axial parting line distance from the top side T of the piston ring 100 and at a second axial parting line distance from the bottom side B of the piston ring 100. Further, the piston ring 100 comprises a cambered contour, wherein the cambered contour comprises a circumferential pivot line having a first axial pivot line distance from a top surface T of the piston ring 100 and having a second axial pivot line distance from a bottom surface. According to the invention, the axial distance between the circumferential separation line and the pivot line is less than 20%, preferably less than 10%, of the axial width of the piston ring.SELECTED DRAWING: Figure 1

The application discloses a container explosive non-opening box intelligent checking device based on ion mobility spectrometry, which comprises a connecting outer frame, a hydraulic cylinder is internally installed in the connecting outer frame, a hydraulic pump is connected to one end of the hydraulic cylinder, and a first piston is movably connected in the hydraulic cylinder. The ion mobility spectrometer and a separately designed collecting device are integrated into one equipment, a user carries the equipment by means of shoulder carrying, and a handle is equipped to facilitate holding. The air suction pipe is placed at the ventilation position of the container, the threaded rod and the first piston are driven to move transversely by hydraulic oil, the sample is pushed to the ion mobility spectrometer for analysis and detection, before the next sample test, the threaded rod is driven by the hydraulic oil to drive the polishing blade to rotate in the air suction pipe, the internal powder is scraped, the transverse thrust generated by the piston ring can extrude the gas in the air suction pipe, and thus the whole cleaning process is completed, the residues after each detection are greatly reduced, and the accuracy of the next extraction detection is avoided.

The utility model discloses a piston ring finishing machine which comprises a mounting bracket, a horizontal rubber roller assembled on the mounting bracket through a pair of bearings, a motor in transmission connection with the end part of the rubber roller, a pair of mounting units symmetrically arranged on the mounting bracket, and a supporting pipe unit of which the two ends are respectively and detachably assembled on the pair of mounting units, the supporting pipe is parallel to the rubber roller when the supporting pipe is assembled on the mounting unit, the positioning clamping strip can be assembled on the outer wall of the supporting pipe in a detachable mode at the same length, the rubber roller makes contact with the bottom side of the piston ring so as to drive the piston ring to rotate, and the positioning clamping strip is detachably assembled on the supporting pipe. A large number of customized pipes matched with the equipment can be prevented from being customized, and the cost input is reduced; in the using process, only the positioning clamping strip needs to be assembled on the supporting pipe, the piston ring does not need to be transferred between the supporting pipe and the customized pipe, and the working efficiency is improved.

A rig for testing piston rings includes a hollow cylinder (1) with a piston (2) installed inside, made with a channel (2.1) for a medium and an opening (2.2) in which a plunger (3) is placed, while the piston ring (4) to be tested is mounted on the piston. The cylinder (1) is installed inside a heating tank (5) with a heating element (5.1), while the plunger (3) is made in the form of a hollow tube into which a medium is supplied through a valve (6), and a plug (7) is installed at the bottom of the cylinder, made with a channel (7.1) for supplying a medium, as well as with an opening (7.2) for relieving excess pressure. The technical result of the claimed utility model is the expansion of the nomenclature of the tests performed. 4 c.p. fils, 1 fig.

This invention relates to the field of piston ring processing technology, specifically to a piston ring loading, unloading, and cutting device, comprising a feeding vibratory feeder and a machine frame. The feeding vibratory feeder is located on one side of the machine frame, and a linear feeder is fixedly installed at the outlet of the feeding vibratory feeder, with one side of the linear feeder extending into the interior of the machine frame. This invention integrates multiple processing steps—workpiece loading, cutting, finished product unloading, and tooling cleaning—into a single unit by setting up a ring-shaped four-station layout combined with a rotary processing table structure. This replaces the traditional separate and intermittent processing structure. Relying on the regular rotation and transfer of the rotary processing table, the piston rings are automatically transferred and transported between the various processing stations, eliminating the drawbacks of traditional equipment such as dispersed processes, cumbersome workpiece transfer, and long process intervals. This effectively shortens the overall piston ring processing cycle and improves the overall processing efficiency of the equipment, making it suitable for large-scale, continuous industrial piston ring production operations.

The application discloses a kind of accurate grinding device of pairing bearing ring or piston ring end face width, including lathe body, the top one end of the lathe body is equipped with fixed headstock, the top other end of the lathe body is equipped with mobile headstock, the top of the lathe body and located fixedly connected with connecting disc in the side of fixed headstock close to mobile headstock.The beneficial effects of the application are: by setting measurement component, the grinding amount of bearing ring or piston ring is observed, that is, whether bearing ring or piston ring is ground in place can be known in time, without stopping machine and taking down bearing ring or piston ring for manual measurement, at the same time, through precise propulsion component, the basis of contact grinding between polishing wheel and bearing ring or piston ring is continued, micron level movement of mobile headstock is carried out, so that grinding is in place, accurate control during bearing ring or piston ring end face grinding is realized, which is much better than rough control of traditional manual rocker.

The utility model provides a kind of shock-absorbing oil cylinder, belong to oil cylinder field, it is by oil cylinder body, screw cap, piston mechanism, damping mechanism, sealing mechanism, reinforcing mechanism and hinged mechanism constitute, locking ring and limit ring cooperation in the scheme can be fixed in piston ring on piston rod, locking ring is simultaneously detached from piston rod, so that piston ring can also be detached from piston rod, so that piston ring can be replaced, since piston ring is slidably connected in oil cylinder body, so that piston ring can be removed from oil cylinder body, shock-absorbing bump and shock absorber collision can be damped, prevent piston rod contraction movement and the bottom of oil cylinder body collision, to realize the damping of piston rod, the recess is used for connecting sealing ring, by sealing ring is clamped in recess, can improve the sealing property of oil cylinder body and screw cap connection, to prevent oil leakage in the interior of oil cylinder body.

The utility model relates to the technical field of sealing rings, and particularly discloses a compression-resistant rubber sealing ring which comprises a sealing ring body, a bottom ring is arranged under the sealing ring body, a liquid storage opening is formed in the bottom ring and is annular, evenly-distributed springs are fixedly installed in the liquid storage opening, and the liquid storage opening is communicated with the bottom ring. A piston ring is slidably arranged on the liquid storage opening, the top end of the spring and the bottom edge of the movable ring are fixedly installed, the spring is pressed between the bottom ring and the piston ring, a connecting ring is fixedly installed on the top edge of the piston ring, and the top edge of the connecting ring and the bottom edge of the sealing ring body are fixedly installed. Through holes which are evenly distributed are jointly formed in the piston ring and the connecting ring, the sealing ring body is hollow, the through holes are communicated with the sealing ring body, the rubber sealing ring is good in compression resistance effect, the sealing ring body can be driven to be tightly attached to the edge of equipment when the rubber sealing ring is stressed, the stability of the sealing effect is guaranteed, and practicability is high.

The utility model discloses a quick disassembly and assembly type gas compressor connecting rod connecting mechanism, including device body, the device body contains connecting rod, connecting rod front end connection piston ring and connecting rod rear end connection connecting rod upper shoe, be equipped with piston pin in the piston ring, one end of connecting rod upper shoe is equipped with connecting rod lower shoe, be equipped with inserting hole no.

The invention relates to the technical field of dust falling construction equipment, in particular to a breaking hammer cylinder body dustproof assembly with a U-shaped groove dustproof seal and a quick-release filter element for environment-friendly engineering construction and application thereof.The breaking hammer cylinder body dustproof assembly comprises a dust discharging part which is installed at the front end of a cylinder body of a breaking hammer and moves in the axial direction of a drill rod, and the dust discharging part is used for alternately sucking and discharging dust front and back at the joint of the drill rod and the cylinder body; the dust discharging part comprises a dustproof sleeve, a dust guiding set arranged outside the dustproof sleeve in a sleeving mode and a piston ring arranged inside the dust guiding set. Through the linkage design of the dust-proof sleeve, the dust guiding set and the piston ring, the dust-proof sleeve, the dust guiding set and the piston ring serve as a quick-release filter element combination, the natural power of reciprocating motion of the drill rod is utilized, the air impact effect is generated at the moment that the dust-proof ring at the front end of the dust-proof sleeve makes contact with the dust guiding set, and self-cleaning dust prevention is achieved; negative pressure is formed when the piston rings move relatively in the two annular cavities of the dust guiding set, dust is sucked, the dust is alternately guided in and discharged, a passive efficient dust prevention mechanism that dust is prevented through movement is achieved, and the structure is simple and reliable.

A piston for an internal combustion engine includes a piston crown having a crown outer surface that forms piston lands axially alternating with piston ring grooves that together with the piston lands define a deposit sensitive region. The crown outer surface is smoothed to an average roughness (Ra) of 0.0002 millimeters or less and refined to a mirror finish Ra of 0.000125 to inhibit deposit formation and / or adhesion within at least a portion of the deposit sensitive region.

This invention relates to the field of water purifier technology, specifically to a water purifier tank assembly, including a main frame and a cylindrical water purifier tank with an open top, mounted on the main frame for storing purified water. The cylindrical water purifier tank contains a piston ring mechanism; the area above the piston ring mechanism is a balancing chamber, and the area below is the purified water chamber. The piston ring mechanism includes a piston ring body, with a locking component on its periphery and a jetting component at its bottom. This invention changes the traditional method of balancing internal and external air pressure in cylindrical water purifier tanks by making the top of the tank open and incorporating a piston ring mechanism. This piston ring mechanism can adaptively move according to changes in the amount of purified water in the chamber, ensuring pressure balance while preventing contact between the purified water and air, thus eliminating secondary contamination of the purified water.

The utility model relates to the technical field of diesel engine piston rings, and discloses diesel engine piston ring dismounting calipers which comprise a guide rail and clamping plates arranged on the two sides of the center position of the front face and the back face of the guide rail, and the guide rail is movably connected with the clamping plates. The handle is arranged under the inner end of the bottom of the clamping plate, and the clamping plate is movably connected with the handle. According to the calipers for disassembling and assembling the piston ring of the diesel engine, after the piston ring is fixed through the clamping plate, the piston ring is expanded in the arc direction of the guide rail through rotation of the handle, it is ensured that the piston is not excessively expanded to affect the performance of the piston ring, and the piston ring is conveniently and reliably installed on a piston ring groove. Therefore, the installation piston ring is simple in structure, small in size and light in weight, and operation can be completed with one hand.

The invention discloses an accurate grinding diamond resin grinding wheel and a forming method thereof, and belongs to the technical field of grinding wheel machining and forming, and equipment adopted by the forming method comprises a mold and a fixing cylinder, and further comprises a driving mechanism. According to the three-section type material filling device, three-section type material filling is adopted through cooperation of the first lifting groove, the second lifting groove, the rotating groove and the ball shaft, and after half of the material is filled, the material surface is automatically flattened through the detection rollers, and the flatness is automatically detected; the moving distances of the piston rings and the conductive contact pieces are close to each other until the adjacent conductive contact pieces are close to each other and make contact with each other, so that a complete loop is formed, and the gauze element is automatically laid through rotation of the rotating rod. Compared with a traditional technology, the device adopts synchronous operation of material laying and leveling, the flatness can be automatically detected, and the gauze element can be laid; manual operation and processing steps are reduced, and the production efficiency and the product quality are improved.

The application belongs to the field of tribology, and specifically discloses a device and method for testing the friction between a high-temperature aviation aerodynamic valve shell and a piston, which are used for simulating and testing the friction between a high-temperature aviation aerodynamic valve shell and a piston ring under different working conditions, and providing accurate friction data for the design and improvement of a high-temperature aviation aerodynamic valve. The device for testing the friction between a high-temperature aviation aerodynamic valve actuating device shell and a piston comprises an air valve piston cylinder, a tension and compression force sensor, a linear guide rail, a transmission mechanism and an electric push rod. The friction between a high-temperature aviation aerodynamic valve shell and a piston ring is tested by using the method and device in the design and simulation stage of a high-temperature aviation aerodynamic valve, so that the design of the high-temperature aviation aerodynamic valve can be improved accordingly, thereby improving the stability and safety of the high-temperature aviation aerodynamic valve, and further ensuring the flight safety of an airplane.

The invention discloses an ultra-large wind power station and a construction method and a piston ring replacement method thereof, the wind power station rotates through a fan impeller, the fan impeller rotates to drive an air compressor in a cabin to work, high-temperature and high-pressure gas is produced, the high-temperature and high-pressure gas is input into an air energy storage tank to be temporarily stored, and according to the requirement of a power grid, the piston ring is replaced. Energy generated by the fan impeller and energy accumulated by the air energy storage tank are output at the same time, high-temperature and high-pressure gas rushes into the steam turbine and releases energy in the steam turbine, the steam turbine rotates to drive the generator to generate electricity, and high-quality electric energy is produced and connected with a power grid; the wind power station integrates energy obtaining, air compression, energy storage, power generation and power transformation, the wind power station adjusts the electric quantity at any time, the problem that serious time difference exists between the electric quantity produced by renewable energy and the electric quantity consumed by power consumers in China is revolutionarily solved, the wind power station is arranged for hundreds of thousands of square kilometers, and huge electric energy is produced. The method has the advantage of balancing the electrical load of the power grid.

1. The name of the design product: mouth repair machine guide strip (first generation). 2. The use of the design product: to provide guidance for the piston ring in the mouth repair process. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This invention relates to a piston ring-cylinder liner friction testing system, comprising a piston ring, a cylinder liner, a piston ring-cylinder liner fixing assembly, a piston ring-cylinder liner heating assembly, a lubricating oil supply assembly, and a power assembly. The piston ring-cylinder liner fixing assembly includes a housing, an elastic thrust rod, steel balls, a tension / compression sensor, a bracket, and a piston ring clamp. The bracket is located on the single-cylinder engine of the power assembly, and the housing is located on the bracket. An annular oil groove is provided on the inner wall of the bottom of the housing, and an oil outlet communicating with the annular oil groove is provided at the bottom of the housing. The cylinder liner is located inside the housing, with its sidewall facing the annular oil groove. The lubricating oil supply assembly includes an oil supply passage and an oil supply cap. The cap is located inside the cylinder liner, with its perimeter edges close to the inner wall of the cylinder liner. The cap has an oil supply port, providing circumferential oil supply to the cylinder liner. The testing system is located outside the single-cylinder engine, eliminating the need to modify the internal structure of the engine, thus saving costs and simplifying experimental operation.