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3832 results about "Moving parts" patented technology

Machines include both fixed and moving parts. The moving parts have controlled and constrained motions. Moving parts are machine components excluding any moving fluids, such as fuel, coolant or hydraulic fluid. Moving parts also do not include any mechanical locks, switches, nuts and bolts, screw caps for bottles etc. A system with no moving parts is described as "solid state".

Error compensation inductive sensor calibration method and system

The invention discloses an error compensation inductance sensor calibration method and system, and the method comprises the steps: controlling a macro-micro composite driving platform to drive a moving part provided with a to-be-calibrated inductance sensor, and enabling the moving part to carry out the continuous displacement movement relative to a fixed standard target surface; measuring the actual displacement of the moving part to obtain a standard displacement sequence; the actual output voltage of the inductive sensor to be calibrated in the movement process is synchronously collected, and an actual measurement value sequence is formed; solving measurement deviation, generating a measurement deviation sequence, and dividing the sequence into not less than three compensation intervals according to a displacement range; a compensation value lookup table is established in each compensation interval, and calibration parameters used for correcting zero offset, gain drift and nonlinear characteristics are generated. Displacement measurement and sensor output synchronous acquisition are combined, zero offset, gain drift and non-linear errors can be corrected in a targeted mode, and compensation fineness and adaptability are improved.
Owner:CHENGDU KAICI TECH CO LTD

Cover assembly and methods

Systems and methods of installing a fixture into a material are provided. The fixture includes a body and a cover assembly that is removably coupled to the body and configured to move relative to the body once the body has been secured within the material. The cover assembly includes a movable component configured to aid removal of the cover assembly.
Owner:ZURN WATER LLC

Short flexible cylinder active complex radial harmonic transmission

A moving part of the short flexible cylinder active complex parallel radial harmonic transmission is composed of a thin-wall composite short flexible cylinder and two rolling wave generators with roller pins or ball-retainer assemblies. A flexible bearing low-speed moving ring raceway is integrated on one side of the gear, and a full-cylinder-length gear is arranged on the other side of the gear; the two semi-short shafts are fixedly connected to the two ends of a motor rotor respectively, are integrated with flexible bearing high-speed moving ring raceways and are the same in structure size, and a semi-short shaft at one end needs to be coplanar with a semi-long shaft at the other end, so that the two ends of the semi-short shafts generate time-varying radial antisymmetric deformation; the static part is composed of end covers which are fixedly connected to the two ends of the motor stator and provided with rigid gears. A double-convex-arc raceway of a high-speed moving ring of the flexible needle bearing is designed, a convexity needle roller with the middle concave structure dynamically constraining the axial movement amount of a short flexible cylinder and a retainer and various structures facilitating rolling body assembly are used, and a waveform raceway calculation formula of a wave generator for the needle roller is given; therefore, the radial size and the axial size of the active complex radial harmonic transmission can be reduced on the basis of ensuring the transmission precision and the bearing capacity.
Owner:SHANGHAI JINSHUN INTELLIGENT INVESTMENT TECHNOLOGY PARTNERSHIP (LLP)

Ultrasonic detection equipment for in-service gas cylinder

The invention discloses in-service gas cylinder ultrasonic detection equipment which comprises a rotary driving module, an axial linear module, a probe module, a main supporting module and an auxiliary supporting module, and the main supporting module and the auxiliary supporting module are installed on the periphery of a to-be-detected gas cylinder at intervals; the rotary driving module is arranged on the main supporting module; the first end of the axial linear module is connected with the output end of the rotary driving module so as to rotate circumferentially along with the rotary driving module, and the second end of the axial linear module is connected with the auxiliary supporting module through a driven part; the probe module is installed on the moving part of the axial linear module. According to the invention, automatic and full-coverage scanning of the ultrasonic probe on the surface of the in-service gas cylinder is realized, the problems of low manual detection efficiency and poor reliability are effectively solved, and the detection efficiency and the data reliability are remarkably improved.
Owner:CGNPC INSPECTION TECH +1

Seesaw type propeller hub structure

ActiveCN223850808URotocraftSplit pinCoupling
The utility model relates to a seesaw type propeller hub structure which comprises a base, a propeller clamp and a propeller blade, a main shaft and an amplitude limiting shaft are arranged in the middle of the propeller clamp, the main shaft penetrates through the amplitude limiting shaft, a main propeller bolt is arranged between the propeller clamp and the propeller blade, a gasket is arranged on the outer wall of the main propeller bolt, a balance weight is arranged on the outer surface of the upper end of the propeller clamp, and a balance weight bolt is arranged in the middle of the balance weight. Paddle bushings are arranged in the middles of the paddles, nuts are in threaded connection with the outer walls of the main paddle bolts, cotter pins are arranged in the middles of the main paddle bolts, and power bolts are arranged at the bottom of the base. According to the utility model, the flapping amplitude relative to the rotor propeller shaft is reduced through the variable pitch-flapping coupling, the transient flapping and the steady flapping relative to the propeller shaft are reduced, the flapping function and the variable pitch function are integrated at one hinge point, the number of parts is reduced, and the overall structure is simplified; due to the fact that parts are reduced, the overall weight is lighter, manufacturing is easy, meanwhile, the number of movable parts is smaller, and the reliability and maintainability of a system can be improved.
Owner:SICHUAN AEROFUGIA TECH DEV CO LTD

Optical element driving mechanism

An optical element driving mechanism is provided, including a fixed part, a movable part, and a driving assembly. The fixed part includes a base. The base corresponds to an optical module. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The base includes an accommodation portion, and the accommodation portion has a recessed structure.
Owner:ACTUTEK CORP

Motor, power system based on motor and adjusting method

According to the motor, the power system based on the motor and the adjusting method, convex ribs are arranged on an end plate of a rotor, the rotor is used for driving the convex ribs to rotate and driving cooling lubricating oil to form forced circulation in an air gap, the heat transfer efficiency of the rotor and a stator is remarkably enhanced, and the temperature rise of the rotor and the demagnetization risk of a permanent magnet are effectively controlled; meanwhile, the lubrication condition of moving parts is improved, and energy consumption and complexity caused by an extra oil pump are avoided; through the integrated design of the motor shell and a half box body of the gear box and the communicating oil duct of the sealing plate and the gear box, a shared lubricating system is constructed, cooling lubricating oil circulation sharing and heat dissipation cooperation are achieved, the overall structure is simplified, and the system reliability is improved; on the premise that the size and the weight are not increased basically, the comprehensive benefits of improving the heat dissipation performance, simplifying the system structure and reducing the manufacturing cost are synchronously achieved, and the power module is particularly suitable for application scenes with limited space and high power density requirements.
Owner:CHONGQING QIULONG TECH CO LTD

Hand tool

A hand tool includes an actuator which drives a moving part directly or via a gearbox or by a hydraulic medium for performing an intended operation. A chamber formed in the hand tool can be changed and evaluated for acquiring a state of the hand tool. The operation can be performed independently of the air pressure that develops in the chamber.
Owner:GUSTAV KLAUKE GMBH

Omnidirectional transportation child-mother vehicle AGV (Automatic Guided Vehicle)

The utility model provides an omni-directional transport child-mother vehicle AGV, which belongs to the field of AGV transport vehicles and comprises a transport mother vehicle, a transport child vehicle and a guide rail, the transport child vehicle is arranged at the top of the transport mother vehicle, the guide rail is fixedly connected to the outer wall of the transport mother vehicle, a connecting assembly is arranged at the bottom of the transport child vehicle, and a supporting assembly is arranged on the outer wall of the transport mother vehicle. According to the conveying device, the connecting rail and the moving part are arranged at the bottom of the conveying child vehicle, the motor is controlled to operate, the motor drives the threaded rod to rotate, at the moment, the moving part drives the connecting rail to move under the action of threads, the connecting rail extends to the outside of the conveying mother vehicle, and at the moment, the conveying child vehicle is controlled to operate; according to the AGV transport vehicle, the transport sub-vehicle can enter the storage bin through the connecting rail, an operator can conveniently convey goods to the top of the transport sub-vehicle, and the problems that an existing AGV transport vehicle is of an integrated structure, the size is large, and the AGV transport vehicle cannot be moved into a small-space area for goods loading are solved.
Owner:HEFEI HAGONG KUXUN INTELLIGENT TECH CO LTD

A feeding device for CNC machine tool machining

The application relates to the technical field of numerical control machine tools, and discloses a feeding device for CNC machine tool machining, which comprises a bed body, a feeding mechanism is arranged in the interior of the bed body, the feeding mechanism comprises a servo motor fixedly connected to one end of the interior of the bed body, a shaft coupling coaxially fixedly connected with an output shaft of the servo motor, a lead screw fixedly connected with one end of the shaft coupling, a guide rod arranged on the same horizontal side of the lead screw, a feeding base movably connected with the top ends of the lead screw and the guide rod, the feeding base comprises a slide saddle for bearing a moving part and a base support assembly arranged at both ends of the slide saddle, through the base support assembly, during the movement of the slide saddle, oil continuously leaks from an oil outlet to the interiors of a sliding sleeve one and a sliding sleeve two to lubricate and cool the contact surfaces of the two sliding sleeves, the lead screw and the guide rod, targeted lubrication and cooling are carried out on the intensified friction and heating after the pre-tightening of the lead screw nut, and the equipment operation efficiency is improved and the equipment service life is prolonged.
Owner:NANTONG BAISHENG PRECISION MACHINERY

Horizontal machining center and machining center

The utility model discloses a horizontal machining center and a machining center. The horizontal machining center comprises a base, a numerical control rotary table, a stand column, a sliding table, a spindle box, a tool magazine and a movable cutter head. The numerical control rotary table is slidably connected with the base through the X-axis guide rail. The stand column is fixed to the base. A Y-axis guide rail is arranged in the stand column. The sliding table is movably connected to a Y-axis guide rail of the stand column. The spindle box is slidably connected with the sliding table through the Z-axis guide rail and provided with a spindle. The tool magazine is fixed to the outer side of the stand column. The movable cutter head is movably arranged on the stand column through a movable piece, and a plurality of cutter clamping claws are arranged on the movable cutter head in the circumferential direction. The tool changing action of the main shaft is moved to the upper portion, the movable cutter head and the main shaft are used for tool changing, tools of the movable cutter head and the tool magazine can be exchanged in the normal working process of the main shaft, and efficiency is improved. Therefore, the problem that when the main shaft tool machining time is too short, tools cannot be exchanged in time between the tool disc and the large tool magazine, and waiting is caused is solved.
Owner:SHANGHAI DAQIAO YUYUAN PRECISE MASCH CO LTD

Mixing and clarifying tank, liquid level adjusting method thereof and nuclide recycling and extracting system

The invention discloses a mixing and clarifying tank, a liquid level adjusting method thereof and a nuclide recovery and extraction system, which can adjust the liquid level of a two-phase interface in an overflow chamber by adjusting the air pressure difference between the overflow chamber and a clarifying chamber through an air pressure adjusting assembly, thereby avoiding the increase of maintenance workload of the mixing and clarifying tank due to the increase of mechanical moving parts. The mixing and clarifying tank comprises a clarifying tank body and a liquid level adjusting device. A sealing top cover is arranged at the top of the clarifying tank body, and the clarifying tank body comprises a mixing chamber, a clarifying chamber and an overflow chamber which are sequentially communicated from front to back; the overflow chamber is defined by a front heavy-phase flow baffle, a rear sealing baffle and a sealing top cover. The liquid level adjusting device comprises an air pressure adjusting assembly. The air pressure adjusting assembly is arranged in the overflow chamber and used for adjusting the air pressure difference between the overflow chamber and the clarifying chamber so as to adjust the liquid level difference between the highest liquid level in the overflow chamber and the liquid level of the two-phase interface in the overflow chamber, and then the liquid level of the two-phase interface in the overflow chamber is adjusted to the target liquid level.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Sensing an ac signal parameter of an electromagnetic assembly of a downhole device to estimate the status or health thereof

Provided is a downhole device, a well system, and a method. The downhole device, in one aspect, includes an electromagnetic assembly, as well as a magnetic target positioned proximate the electromagnetic assembly, wherein one of the magnetic target or the electromagnetic assembly is coupled with a movable feature of the downhole device, the movable feature configured to move to physically couple or physically decouple the electromagnetic assembly and the magnetic target. The downhole device, according to this aspect, further includes a sensor electrically coupled to the electromagnetic assembly, the sensor configured to sense for a change in an AC signal parameter impart upon the electromagnetic assembly as the electromagnetic assembly and magnetic target physically couple to or physically decouple from one another, the sensed change employable to estimate the status or health of the downhole device.
Owner:HALLIBURTON ENERGY SERVICES INC

Full-automatic extruding and cutting integrated device for petuntse bars

The utility model discloses a full-automatic extruding and cutting integrated device for petuntse bars. The full-automatic extruding and cutting integrated device comprises a mixing box, the two transmission rotating shafts are rotatably mounted in the mixing box, and two rotating blades are fixedly connected to the outer sides of the transmission rotating shafts and used for pushing and extruding the pug downwards; the extrusion pipe is arranged in the mixing box, an extrusion screw rod is installed in the extrusion pipe, and an extrusion die head is installed at the discharging end of the extrusion pipe; the pug cutting device has the advantages that after cutting is completed, the clamping part can accurately clamp pug, the moving part enables the clamped pug to be stacked towards the cart on one side, manual operation is reduced, and production efficiency and safety are improved; the clamping plates are obliquely arranged, the two single-shaft air cylinders drive the clamping plates on the two sides to move towards the middle, pug can be clamped and fixed from the two sides, it is guaranteed that the pug cannot fall off in the carrying process, and the carrying accuracy is guaranteed.
Owner:CHAOZHOU ZHONGFENG CERAMICS RAW MATERIALS CO LTD

Double-track plastic dipping production line

The utility model relates to the technical field of plastic dipping production lines, and provides a double-track plastic dipping production line which comprises a driving track, a conveying track, a lifting track, a plastic dipping pool, a lifting appliance and a moving piece, the driving track and the conveying track are arranged side by side, the lifting track is arranged in a lifting sliding mode relative to the conveying track, and the plastic dipping pool is arranged below the lifting track. The lifting appliance is movably arranged relative to the length direction of the conveying track and used for lifting workpieces, the moving part is movably arranged relative to the length direction of the driving track, the moving part is detachably connected with the lifting appliance and used for driving the lifting appliance to move, the conveying track is provided with a notch, and after being lifted, the lifting track enters the notch and is spliced with the conveying track; or the lifting appliance is separated from the notch and driven to approach the plastic dipping pool. By means of the technical scheme, the problems that in the prior art, a plastic dipping production line needs to drive a plastic dipping pool to ascend and descend for plastic dipping, the size and weight are too large, and ascending and descending are inconvenient are solved.
Owner:SHIJIAZHUANG ZHUOYUE COATING EQUIP MFG CO LTD

Dynamic gap checking method based on flexible body deformation coupling analysis

The invention relates to the field of clearance checking of a vehicle chassis part DMU (digital prototype), in particular to clearance checking between parts with large deformation. Specifically, the invention provides a dynamic gap checking method based on flexible body deformation coupling analysis, and the method comprises the steps: building a flexible body nonlinear mechanical model through finite elements, applying boundary conditions such as working conditions and loads, executing large deformation and nonlinear analysis, and obtaining deformation data of an anisotropic material under a limit load; converting the deformation data into a parameterized entity model through a geometric reconstruction algorithm, and constructing a high-precision digital prototype; multi-degree-of-freedom kinematics simulation is implemented in a DMU module of three-dimensional design software, and three-dimensional space analysis is performed on dynamic gaps between flexible bodies and between flexible and rigid bodies in combination with a contact interference analysis algorithm. The method can be used for checking the clearance between the moving parts, judging the interference of the moving parts and confirming the operation stability of the vehicle in complex and severe working conditions.
Owner:FAW VOLKSWAGEN AUTOMOTIVE CO LTD

Welding equipment convenient for positioning and clamping and used for machining furnace end of electric fire stove

The invention discloses welding equipment facilitating positioning and clamping and used for machining of an electric fire stove burner, and relates to the technical field of plasma welding machining. The welding equipment comprises a welding table and further comprises a clamping unit, a moving part, a lifting part and a welding unit; a clamping unit is fixedly connected to the top of the welding table, a moving part is fixedly connected to the top of the welding table, a lifting part is slidably connected to the outer wall of the moving part, and a welding unit is fixedly connected to the bottom of the lifting part. The motor drives the adjusting assembly to precisely adjust the clamping assembly so that the clamping assembly can be tightly attached to the outer wall of the lower disc to complete stable clamping, the upper disc is clamped through the cooperation of the extrusion part and then driven by the lifting part to move downwards, and precise attachment of the welding position of the upper disc and the lower disc is achieved; and the upper disc and the lower disc are corrected and positioned in real time, vertical alignment and tight fitting of welding positions are ensured, and the problem of welding dislocation easily caused by smooth welding surfaces of the upper disc and the lower disc of the leveling device is solved.
Owner:SUZHOU HUADE ELECTRIC APPLIANCE CO LTD

Metal pipeline welding device

The invention relates to the field of welding, in particular to a metal pipeline welding device which comprises a rotating table, a clamping assembly is arranged on the rotating table and used for clamping a flange welded to a pipeline, the pipeline is assembled on the flange, a welding assembly is arranged on one side of the rotating table and comprises a first air cylinder, and the output end of the first air cylinder is connected with a top plate. A gun body of electric arc welding equipment is arranged on the top plate, a base block is fixedly connected to the outer side wall of a gun barrel of the gun body, a rotating hole allowing the base block to deflect is formed in the end of the top plate, and the front end of the gun body extends to the connecting and welding position of a pipeline and a flange. According to the welding device, multi-layer welding is adopted, firstly, the sealing performance and the connecting strength between the flange and the pipeline can be effectively improved, the welding device can adapt to some severe environments and can resist media with higher flowing pressure, meanwhile, the welding device, the pipeline and the flange serve as moving parts and are matched with the rotating table, stable rotation can be achieved, and the gun body serves as a fixing part; and a moving part can be stably welded.
Owner:HEFEI UNIV

Mechanical keyboard key function testing device

The utility model relates to the technical field of mechanical keyboards, in particular to a mechanical keyboard key function testing device which comprises a base, longitudinal electric sliding rails are arranged at the top of the base and close to the left side and the right side, sliding blocks of the two longitudinal electric sliding rails are jointly connected with a transverse electric sliding rail, and a sliding block of the transverse electric sliding rail is fixedly connected with a placing plate. An L-shaped support is arranged in the middle of the rear edge of the top of the base, a first threaded rod is in threaded connection with the position, close to the front side, of the top of the L-shaped support, and a click testing assembly is connected to the bottom end of the first threaded rod. According to the mechanical keyboard key function testing device, the motor is adopted to drive the cam to carry out key testing, the mode that an air cylinder drives a movable rod to stretch out and draw back at high frequency in the prior art is avoided, direct friction between moving parts is effectively reduced through the structural design driven by the motor, abrasion is greatly reduced, and therefore the service life of the device is prolonged; the problem that the service life of equipment is shortened due to air cylinder abrasion in the background technology is solved.
Owner:YICHUN QINLEAN ELECTRONICS CO LTD

Machining tool for fixing rotor room

The invention provides a machining tool for fixing a rotor room, and relates to the technical field of machine tool machining, the machining tool comprises a base, a supporting part and clamping parts, the supporting part is used for supporting the bottom of the rotor room, the multiple clamping parts are arranged at equal intervals in the circumferential direction of a preset axis, and the axis of the rotor room coincides with the preset axis; the clamping part comprises a support and two clamping plates, the clamping plates are made of elastic materials, the support is provided with a moving part and a middle part which are connected with the clamping plates, the two clamping plates are arranged on the inner side and the outer side of the side wall of the rotor room respectively, and the moving part enables the two clamping plates to be close to each other in the radial direction of the rotor room and abut against the side wall of the rotor room. And meanwhile, the middle part enables the clamping plates to generate deformation attached to the side wall of the rotor room so as to fully clamp the side wall of the rotor room in the radial direction, the supporting area of the clamping plates to the rotor room is large, the multiple clamping parts enable supporting points to be reasonably distributed, the local bearing pressure of the rotor room is reduced, elastic deformation or plastic distortion of the rotor room is reduced, and therefore the machining precision is guaranteed.
Owner:QINGDAO BAOJIAN TECH ENG CO LTD

Contact mechanism and direct current contactor

A contact mechanism and a direct current contactor of the present invention. An auxiliary moving contact module moves in an interlocked manner with a transmission member, which is a moving part, and a moving contact bridge on the transmission member, a dimensional chain is short, and the movement stroke is stable and reliable. Since a reed is in interlocking fit with the transmission member and the moving contact bridge by means of a base, the transmission member can push the base to enable the moving contact bridge and the reed to synchronously perform disconnection motion, so that necessary disconnection can be ensured by means of a relatively large counterforce of a main spring even if the reed is adhered to an auxiliary fixed contact, thereby ensuring that the on-off states of a main contact and an auxiliary loop are consistent.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD

Compressor and air conditioner

The compressor comprises a compressor body, a gas-liquid separator, a first connecting part and a second connecting part, the compressor body comprises a first shell, a compression mechanism is arranged in the first shell, the compression mechanism is configured to compress refrigerants, the gas-liquid separator is configured to provide gaseous refrigerants for a compression cavity of the compression mechanism, and the first connecting part is connected with the second connecting part. The gas-liquid separator comprises a second shell, the second shell is arranged outside the first shell, the first connecting part is configured to be fixedly connected with the first shell and the second shell, the second connecting part comprises a fixed part and two moving parts, the fixed part is fixedly connected with the first shell, the moving parts are arranged on the two opposite sides of the fixed part, and the moving parts are arranged on the two opposite sides of the fixed part. And the two moving parts are configured to move towards the direction close to the second shell according to a vibration signal of the gas-liquid separator so as to surround the second shell or move towards the direction away from the second shell so as to be separated from the second shell, so that the solid frequency deviation of the gas-liquid separator is realized, and the second harmonic generation abnormal sound of the outdoor unit is reduced.
Owner:QINGDAO HISENSE BOSCH AIR CONDITIONING SYSTEM CO LTD

Laser grinding machine

The laser grinding machine comprises a body, a grinding assembly is arranged in the body, the grinding assembly comprises a portal frame, the portal frame is fixed to a base, one side of the top of the portal frame is provided with a Z-axis module, the Z-axis module comprises a side plate, the side plate is provided with a galvanometer module and a baffle, and the galvanometer module and the baffle are arranged on the base. A through hole is formed in the middle of the baffle, the moving part is fixed to the base through a middle part, an objective table is arranged at the position, away from the base, of the moving part, the objective table is used for containing a workpiece to be machined, and light emitted by the galvanometer module penetrates through the through hole of the baffle to fall on the surface of the workpiece to be machined. And the galvanometer module is used as a machining head, so that the machining precision of a workpiece made of a diamond material is improved.
Owner:SUZHOU II-VI LASERTECH CO LTD

Design method, device and equipment of machine tool supporting structural member and medium

The invention provides a design method, device and equipment for a machine tool supporting structural member and a medium, and relates to the technical field of data processing.The method comprises the steps that a finite element model of the machine tool supporting structural member is built, and a design area is defined in the finite element model; determining a weight value corresponding to the pose change information of the moving part in each operation condition; and based on the weight value and a design response index determined by a design requirement index of the supporting structural member, an objective function and a constraint condition, executing optimization design of the design region in the finite element model, and determining a design result of the supporting structural member. According to the method, components for supporting structural parts and component combination parts are included in a unified design area, the weights of a machine tool under multiple operation working conditions are considered, collaborative topological optimization is carried out, the defect that rigidity of the structural parts is not matched due to separate design is overcome, rigidity matching of the structural parts after optimization design is guaranteed, and the design efficiency is improved. And the design precision and performance of the machine tool supporting structural member are improved.
Owner:BEIJING JINGDIAO GRP CO LTD

Spring operating mechanism simulation method and system based on hydraulic buffer modeling, terminal equipment and storage medium

The invention discloses a spring operating mechanism simulation method and system based on hydraulic buffer modeling, terminal equipment and a storage medium, and belongs to the field of power equipment simulation. The method comprises the following steps: constructing a three-dimensional model of the spring operating mechanism according to moving part structure characteristics, moving part connection relationships and mechanical parameters of each moving part of the spring operating mechanism to be processed; constructing a hydraulic buffer mathematical model according to the mechanical parameters, the structural characteristics of the hydraulic buffer and the element parameters of the hydraulic buffer; performing dynamic simulation on the spring operating mechanism to be processed according to a multi-dynamic simulation model obtained by coupling the three-dimensional model of the spring operating mechanism and the mathematical model of the hydraulic buffer to obtain the motion displacement and the motion speed of the piston rod; updating buffer resistance in the mechanical parameters according to the piston rod movement displacement and the piston rod movement speed; and updating the multi-dynamics simulation model according to the updated buffer resistance. By implementing the method, the problem of low simulation accuracy in the prior art can be solved.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID CO LTD

Natural gas extraction waste gas treatment device

The invention relates to the technical field of natural gas extraction waste gas treatment, and particularly discloses a natural gas extraction waste gas treatment device which comprises a filtering piece, the filtering piece comprises a first hole plate provided with a plurality of first through holes and a second hole plate provided with a plurality of second through holes, and filtering holes are formed in the overlapped parts of the first through holes and the second through holes. The hole dredging mechanism comprises a pushing part and a beating part, the pushing part comprises a first rotating rod, a shielding cover, a moving part, a first pushing part and a second pushing part, the shielding cover is installed in the filtering mechanism and used for shielding a filtering part to be dredged, the moving part is elastically connected with the shielding cover, and the first rotating rod rotates clockwise to drive the second pushing part to push the shielding cover to rotate; a rotating rod I rotates anticlockwise to drive a pushing part II to push a moving part to move, so that the pushing part I pushes a pore plate II to move upwards and enlarge filter pores, and a beating piece can generate vibration; according to the waste gas treatment device for natural gas extraction, the filtering holes can be enlarged, and the blocked filtering holes are dredged in a vibration mode.
Owner:SHAANXI HUIFENGYUE PETROLEUM TECH DEV CO LTD

Automatic turnover equipment for crankshaft drilling machining

The invention provides automatic turnover equipment for crankshaft drilling machining, and relates to the technical field of turnover equipment, the automatic turnover equipment comprises a bearing frame which is arranged on one side of a numerical control machine tool used for machining a crankshaft body, and the numerical control machine tool is used for machining a shaft hole, a spiral groove, a first through hole and a second through hole in one end of the crankshaft body; and the material moving assembly comprises a bracket, a main shaft positioning groove, an auxiliary shaft positioning groove and a material moving part, and the bracket with the U-shaped longitudinal section is fixedly installed at the top of the bearing frame. According to the full-process automatic turnover device, full-process automatic turnover from the crankshaft body placed on the bracket to subsequent drilling machining and detection is achieved, manual dependence is greatly reduced, and the machining efficiency is improved; through the synergistic effect of the positioning component and the restraining component, the positioning precision during crankshaft drilling is improved, and the machining quality of a main connecting hole and an auxiliary connecting hole is guaranteed; the multi-state design of the turnover assembly enables all links to be closely connected, the drilling precision problem can be found in time in cooperation with a crankshaft detection component, and outflow of unqualified products is reduced.
Owner:HUANGSHAN ZHANGSHI CRANKSHAFT CO LTD