10308 results about "Reciprocating motion" patented technology

The invention discloses a device for measuring flowability of explosive modeling powder, which comprises a step-press-loading analogue unit, a timing and weighing unit and a computer control unit, wherein the step-press-loading analogue unit directly and indirectly drives a screw rod which extends into a blanking bin to rotate and perform reciprocating movements along an axial line and drives a pusher dog in the blanking bin to perform the reciprocating movements along an arc section through the combined action of a cylinder and a pneumatic reversal valve so as to ensure that the explosive modeling powder in the blanking bin falls into the timing and weighing unit, and the process more truly imitates an explosive conveying process of an explosive step-press process. The timing and weighing unit transmits a weighing value of the explosive modeling powder which falls in the timing and weighing unit to the computer control unit in real time, and the computer control unit calculates the instantaneous flow speed of the explosive modeling powder of a north side and generates a flow speed-time curve according to sampling data. The device can measure the flowability of the explosive modeling powder so as to provide an objective basis for choosing a proper explosive step-press process for the explosive modeling powder.

A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.

The invention provides a multifunctional cycle power generation system and method by a gravity lever. The system comprises a supporting rack and a balance weight arranged on the supporting rack and slidably matched with the supporting rack, wherein engines are arranged on one side or two sides of the balance weight; the input shaft of each engine is connected to a transmission shaft; two or more single-directional clutches are fixedly connected to the middle of the transmission shaft; the locking directions of the single-directional clutches are same, gears are fixed to the peripheries of thesingle-directional clutches, and a rack matched with each gear to drive the transmission shaft to rotate is arranged next to each single-directional clutch; at least one pair of racks is arranged on the upper part and the lower part, separately, the racks and the balance weight which reciprocates are in driving movement and the balance weight is arranged on the supporting rack to swing through a lifting mechanism in a reciprocating manner. As the balance weight which swings in the reciprocating manner pulls the racks to drive the transmission shaft to rotate in the single direction, multiple engines can be driven synchronously to generate electricity synchronously, and the power needed by a supporting rack lifting device is alleviated greatly by means of a swing mode like to a lever, so that the energy sources are saved and the power generation efficiency is improved greatly.

The invention discloses tendon rope transmission system performance integrated testing equipment and a transmission system testing method, and belongs to the technical field of robot part testing. The equipment comprises a rack and a performance testing device, wherein the performance testing device comprises a mounting plate provided with an arc-shaped guide rail chute, a core shaft used for simulating a bending radius, a position adjusting mechanism used for accurately positioning the core shaft and clamping a tendon rope jacket, at least one linear driving mechanism capable of adjusting an angle along the chute, and a counterweight mechanism. A clamp of the linear driving mechanism clamps one end of an inner core of the tendon rope, the counterweight mechanism is connected with the other end of the inner core, the middle part of the tendon rope bypasses the mandrel, and the reciprocating motion applied by the linear driving mechanism is matched with the constant tension applied by the counterweight mechanism so as to simulate the working condition of the tendon rope under a specific bending radius and angle.

The coffee extraction device comprises a main machine and a brewing mechanism connected to the main machine, a grinding mechanism is arranged in the main machine, and coffee beans entering a grinding cavity are ground into powder through a grinding cutter; the powder pressing mechanism is located above the brewing mechanism and reciprocates along the Z axis under the action of a first driving component; a water supply mechanism; the powder pressing mechanism further comprises a powder pressing device, and the powder pressing device and the brewing mechanism are combined to form a powder pressing channel capable of containing a powder pressing assembly. The powder pressing assembly is movably arranged in the powder pressing device and reciprocates along the powder pressing channel; the powder pressing assembly has a powder pressing stroke and a reset stroke in opposite directions in the powder pressing channel; a sensing device is arranged on the side portion of the powder pressing channel, electrically connected with a circuit system in the main machine and used for sensing the position of the powder pressing assembly and activating when sensing that the powder pressing assembly is in the reset stroke so as to switch on the circuit system in the main machine and supply water to the brewing mechanism.

The invention discloses a cutting device for a trolley frame and a production system of the cutting device, and relates to the technical field of laser cutting equipment.The cutting device comprises a clamping disc, a cutting head, a core rod and a transferring assembly; one end of the core rod is used for being inserted into a pipe fitting to do reciprocating motion, the core rod is coaxially sleeved with the slag scraping ring, the multiple separation nozzles are distributed around the core rod in the circumferential direction at intervals, a cooling channel is formed in the core rod, one end of the cooling channel communicates with the separation nozzles, and the other end of the cooling channel communicates with the separation nozzles. The slag scraping ring comprises a contact part with a soft outer ring, and can axially swing back and forth relative to the core rod; when the core rod extends into the pipe, the contact part swings in the direction close to the separation spray head and drives the opening of the separation spray head to horizontally face the direction deviating from the clamping disc; and when the core rod retreats from the interior of the pipe, the contact part swings in the direction away from the separation nozzle and drives the opening of the separation nozzle to outwards face the radial direction of the core rod. The aluminum alloy pipe fitting cutting device has the effect of improving the aluminum alloy pipe fitting cutting efficiency.

A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.

A fluid end made of a housing and a plunger reciprocating therein. The plunger has a hollow bore formed therein, and a valve assembly situated on one end of the plunger. The plunger may have a sleeve situated within the bore that aids in the installation of the valve assembly. The plunger may have a second bore extending perpendicularly from the hollow bore. The first bore may be connected to an attachment piece which connects to a conduit. The conduit may then be connected to a manifold which is configured to provide a fluid to the plunger's bore. The housing may be made of a static section and a plurality of dynamic sections. The dynamic sections may thread into the housing. The static section may be made of two pieces to aid with installation of a dynamic seal.

The invention provides a vibration test bench, and relates to a vibration test device, and the vibration test bench comprises a pedestal, and a plurality of vibration frames which are arranged on the pedestal in parallel at intervals and are sequentially arranged on the pedestal from top to bottom; each sliding guide rail is arranged between every two adjacent vibration frames and between the vibration frame on the lowermost layer and the base, and the guide directions of the sliding guide rails are different from one another; each driving mechanism is fixedly connected to the vibration frame located on the lower layer or the base and drives the vibration frame located on the upper layer to do reciprocating rectilinear motion along the corresponding sliding guide rail. Each locking mechanism is arranged between every two adjacent vibrating frames and between the vibrating frames and the base, and each locking mechanism can selectively lock the reciprocating motion of the vibrating frame located on the upper layer; the control unit is in communication connection with all the driving mechanisms and independently controls operation of all the driving mechanisms. The vibration test bench can realize multi-degree-of-freedom movement, and has a broadband vibration frequency / amplitude adjusting function.

The utility model discloses an MBR (Membrane Biological Reactor), and particularly relates to the technical field of sewage treatment, the MBR comprises an outer shell and a plurality of membrane components arranged in the outer shell, the outer top surface of the outer shell is connected with a plurality of movable rods in a sliding manner, the movable rods and the membrane components are arranged in a staggered manner, one part of each movable rod is positioned in the outer shell, and the other part of each movable rod is positioned in the outer shell. And the other part of the movable rod is positioned outside the outer shell. According to the MBR disclosed by the utility model, in actual work, a first motor drives an eccentric wheel to rotate, so that a connecting plate and a plurality of movable rods are pushed to descend, namely a first spring is extruded, when the movable rods descend, a fixed plate can be pushed to descend, and along with continuous rotation of the eccentric wheel, the fixed plate reciprocates up and down; the brush plate can wipe impurities attached to the membrane module, and the cleaned impurities fall to the top surface of the baffle plate, so that the impurities attached to the membrane module can be conveniently cleaned, and the situation that the filtering efficiency is reduced due to the attached impurities is avoided.

The embodiment of the invention provides an anti-blocking device and an anti-blocking method for a fuel loading and unloading system of a high-temperature gas cooled reactor, and relates to the field of high-temperature gas cooled reactors. The anti-blocking device of the high-temperature gas cooled reactor fuel loading and unloading system comprises a driving module, a transmission module, an execution module and a control module, the transmission module is connected with the driving module, the execution module is connected with the transmission module, and the transmission module is driven by the driving module to drive the execution module to do linear reciprocating motion. And the control module is connected with the driving module and the execution module at the same time. A cooperative structure of the driving module, the transmission module and the execution module is arranged, a driving signal is converted into linear reciprocating motion of the execution module, mechanical disturbance is applied to a fuel ball stack in a blocked area, the lap joint balance or a bridge junction structure of the fuel ball stack is damaged, and active bridge breaking and jam releasing are achieved. And the jam releasing efficiency and success rate are obviously improved.

The invention discloses a novel chemical material liquid optical granularity instrument with an anti-corrosion sample pool structure, and relates to the technical field of novel chemical material detection.The novel chemical material liquid optical granularity instrument comprises a pool body and a detection assembly, a sealing cover is arranged at the top of the pool body, a stirring assembly is arranged in the middle of the sealing cover, and the detection assembly is arranged at the top of the stirring assembly; the detection assembly comprises a connecting rod, the top of the stirring assembly is rotationally connected with the connecting rod, and one end of the connecting rod is rotationally connected with a piston rod. The gear set driven by the motor drives the stirring shaft to rotate, so that samples are uniformly mixed by the stirring rod, particle sedimentation is prevented, stirring motion is converted into reciprocating motion of the piston rod by utilizing the connecting rod mechanism, and continuous pumping of a medium is realized by matching with a plurality of one-way valves; meanwhile, the liquid suction head on the stirring rod synchronously sucks samples from different point positions in the rotating process, a dynamic multi-point sampling mode is formed, and accidental errors caused by traditional fixed point sampling are effectively overcome.

The utility model belongs to the technical field of cat litter basins, and discloses a rolling support driving mechanism and a pet excrement collecting device, the rolling support driving mechanism comprises a rolling support mechanism and a driving component, the rolling support component is in rolling fit with a bottom plate of the cat litter basin through a lower rolling support piece to realize support, and the driving component drives the cat litter basin to rotate. The contact between the lower rolling supporting piece and the cat litter basin bottom plate is changed into rolling friction from sliding friction, the friction force is greatly reduced, the energy loss is reduced, the operation of the device is smoother, and the service life of each component of the device is prolonged. Meanwhile, the friction noise is reduced by introducing the rolling supporting assembly, the user cannot be interfered by the friction noise in daily use, and the use experience of the user is improved. By arranging the guide piece, the rolling supporting mechanism can be driven by the driving assembly to reciprocate along the preset track of the guide piece, the guide piece can stably guide the rolling supporting mechanism to drive the grating to reciprocate in the cat litter basin, reversing of the grating is more flexible and rapid, and smooth operation of the device during switching in different directions is ensured.

The application discloses a kind of micro flow high pressure hydraulic diaphragm metering pump, including pump head and pump body, diaphragm piece is equipped between the pump head and pump body, pump head, including pump head body, feed valve and discharge valve;Pump body, including pump body and plunger assembly, plunger assembly is driven to diaphragm piece by reciprocating motion, plunger assembly includes cylinder sleeve, cylinder sleeve inside is equipped with plunger cavity, plunger cavity is equipped with plunger in cooperation, at least one oil supplement cavity is equipped in plunger cavity, plunger and cylinder sleeve are also equipped with combined sealing mechanism between it.The application is optimized plunger assembly, utilizes long axis plunger, forms small capacity hydraulic oil cavity, with the rapid reciprocating motion of plunger, can realize the high frequency small scale reciprocating operation of diaphragm piece, is suitable for the transmission of small size gauge medium flow passage in pump head, realizes micro high pressure output.

The invention discloses a continuous microtubule precision machining system and method. The machining system comprises a base, a feeding conveying assembly, a discharging assembly, a forming assembly and a detecting assembly, wherein the feeding conveying assembly, the discharging assembly, the forming assembly and the detecting assembly are supported on the base. The forming assembly comprises a continuous station table and a forming structure, the continuous station table is provided with a plurality of fixing holes for containing the micropipes, the projection of the forming structure on the continuous station table intersects with the running path of the fixing holes, and the forming structure reciprocates towards the continuous station table so as to form the micropipes contained in the fixing holes; the feeding conveying assembly is used for conveying the microtubes into the fixing holes of the forming assembly. The discharging assembly is used for collecting the micro-pipes formed in the fixing holes. And the detection assembly is used for performing pose detection on at least one of the microtubes in the material box, the feeding and conveying assembly and the fixing holes. According to the efficient continuous machining system and method, the forming precision of the micropipe is guaranteed, and the damage situation in the forming process is reduced.

The reciprocating compressor comprises a compressor frame, a crankshaft and a connecting rod, connecting the crankshaft to a crosshead. A piston rod connects a piston to the crosshead. The piston reciprocates in a gas compression cylinder. At least one pressure-drop module is positioned between the gas compression cylinder and a crosspiece guide. The piston rod extends from the gas compression cylinder through a pressure-drop chamber of the pressure-drop module. Also disclosed herein is a method of operating a reciprocating compressor.

The invention relates to the technical field of building construction, in particular to a cement material stirring device for building decoration engineering construction, a screening mechanism in the cement material stirring device drives an inclined box and an internal inclined screen to continuously move up and down in a reciprocating manner through a transmission assembly, and dynamic screening of input cement is achieved; qualified powder rapidly penetrates through the screen and enters a subsequent process through the vertical pipe, intercepted agglomerates automatically roll down to a lower outlet under the action of vibration and inclination, the agglomerated cement materials are screened, meanwhile, the smashing mechanism ingeniously obtains power from a driving motor through a rotating shaft, and the smashing efficiency is improved. Crushing cutters distributed on a first rotating rod and a second rotating rod in a staggered mode in the box body are driven by a bevel gear and a gear set to rotate oppositely at a high speed, cakes falling from a lower outlet are thoroughly cut and scattered, the cakes are reduced into fine powder and then collected into a stirring barrel, and the efficiency and quality of raw material preparation before stirring are greatly improved; and the problem of non-uniform slurry caused by cement caking and core hardening is fundamentally avoided.

The invention discloses a water quality monitoring device for environmental engineering, and relates to the technical field of environmental engineering, the water quality monitoring device comprises a buoyancy tank, a water quality monitoring mechanism and a self-cleaning mechanism, the water quality monitoring mechanism comprises a monitoring probe and a protective cylinder, the monitoring probe is arranged below the buoyancy tank, the protective cylinder is arranged below the buoyancy tank, and the self-cleaning mechanism is arranged below the buoyancy tank. And the monitoring probe is arranged in the protective cylinder. High-pressure gas is sprayed outwards from the interior of the protective barrel through the one-way spray head, so that attachments accumulated on the protective barrel are effectively washed off, the cleaning effect on the attachments on the surface of the protective barrel is effectively improved by driving the protective barrel to rotate, the one-way spray head is driven to do lifting reciprocating motion while the protective barrel is driven to rotate, and the cleaning efficiency is improved. The one-way nozzle can spray air outwards in the protective barrel in an up-down swinging manner, so that the washing effect on attachments is further improved, and the influence on water quality monitoring caused by accumulation of a large number of attachments on the protective barrel is avoided.

The invention relates to the related technical field of direct-current contactor production, in particular to a glue pouring device for direct-current contactor production, which comprises a glue pouring machine, a three-axis manipulator arranged in the glue pouring machine and a bearing disc for loading a direct-current contactor, the swing air sweeping assembly is used for blowing, drying and cleaning the direct current contactor before glue pouring and comprises a pushing frame and arc-shaped pushing rods, the arc-shaped pushing rods are fixedly installed at the two ends of the pushing frame through arc-shaped rods, and the arc-shaped pushing rods are movably connected with arc-shaped pushing blocks. Through cooperation of the locking and supporting assembly and the swing air sweeping assembly, all-directional stable clamping and dead-corner-free cleaning are achieved, the process quality is guaranteed jointly, swing type air sweeping can enable airflow to cover a larger transverse area, it is guaranteed that the surface of each workpiece can be blown by the airflow for multiple times and at multiple angles through continuous reciprocating motion, and the workpiece surface cleaning efficiency is improved. And the uniformity and thoroughness of cleaning are obviously improved.

The invention discloses a flue gas waste heat recovery device and method for a garbage incinerator. Relates to the technical field of waste incineration treatment and comprises a waste heat recovery box, a heat exchange pipe set driven by a main control gear, a transfer gear and a fixed gear ring is arranged in the waste heat recovery box, and heat exchange pipes conduct revolution and autorotation in smoke at the same time to enhance heat exchange. Accumulated dust on the outer surface of the heat exchange tube is removed through the rotating treatment scraper and the removing brush cylinder, and the reciprocating treatment kettle is used for knocking the tube wall of the heat exchange tube to shake off the dust; the flow speed and the flow direction of flue gas can be intelligently adjusted through an angle-adjustable speed adjusting plate on a treatment scraper, so that the device is suitable for different working conditions; the device realizes efficient and stable recovery of flue gas waste heat, can keep a heat exchange surface clean on line, and is high in adaptability.

The invention relates to the field of suturing systems of medical instruments, and discloses a suturing system. The suturing system includes a control handle, a tube, a receiving cartridge, and a needle. The control handle comprises a shell, a driving mechanism and a rotation indicating piece, the rotation indicating piece is rotatably connected to the shell, and a plurality of position marks are arranged on the periphery of the shell. An actuating shaft in the driving mechanism is coupled to a first gear, an actuating pipe is coupled to a second gear, and the first gear and the second gear are arranged in the longitudinal direction and rotate synchronously. When the rack moves longitudinally, the conversion gear can be driven to rotate so as to drive the first gear to rotate, and the first gear and the second gear respectively drive the actuating shaft and the actuating tube to do longitudinal reciprocating motion, so that the needle is alternately combined with the actuating tube and the receiving bin. The driving mechanism in the sewing system is reliable in structure, and the failure rate can be effectively reduced. In addition, the rotation indicating piece is used in cooperation with a position mark arranged on the shell so that the positions of the shell and the driving mechanism after rotation can be indicated, and operation is convenient.

The invention discloses a single-action pressure reduction diaphragm type pressure flow amplifier in the field of industrial flow control. The single-action pressure reduction diaphragm type pressure flow amplifier comprises a machine body, a valve core, a flexible diaphragm, an exhaust assembly, a large pressure reduction device and a small pressure reduction device. An adjusting cavity, an air inlet cavity, an air outlet cavity, an air inlet channel and an air outlet channel are formed in the machine body, the air inlet channel is communicated with the air inlet cavity, the air outlet cavity is communicated with the air outlet channel, the valve core is arranged between the air inlet cavity and the air outlet cavity, the valve core is pushed through the flexible diaphragm and the exhaust assembly, and the compressed air flow and pressure intensity between the air inlet cavity and the air outlet cavity can be adjusted; when the pressure intensity of the adjusted air is relatively low, the small pressure reducing device is used for reducing pressure; and when the pressure intensity is high, the large pressure reducing device is used for reducing pressure. The diaphragm structure design is adopted, the flow and the pressure intensity of compressed air are adjusted through reciprocating motion of the flexible diaphragm, the pressure intensity of the adjusted air is reduced through the two pressure reducing devices, and the diaphragm structure can be better suitable for application scenes where the pressure intensity of the adjusted air is high.

The invention discloses a double-acting pressure reduction diaphragm type pressure flow amplifier in the field of industrial flow control. The double-acting pressure reduction diaphragm type pressure flow amplifier comprises a machine body, a double-diaphragm assembly, a valve core and two air paths. Compressed air of the two air paths is from different sources, the cross sectional areas of the two air paths are adjusted by moving the valve core through the double-diaphragm assembly, the output proportion of the compressed air of the two paths can be adjusted, and therefore the purpose of changing the pressure intensity and the flow is achieved. The pressure is reduced by the following measures: two independent pressure reducing devices are arranged; and the output air is introduced into the double-diaphragm assembly, and a part of pressure intensity of the adjusted air is counteracted. The purpose of adjusting the pressure intensity and the flow of output air is achieved through linear reciprocating motion of the double-diaphragm assembly, various measures are adopted to reduce the pressure intensity of the adjusted air, and the application scene is wider.

The invention relates to the technical field of drilling engineering, and discloses an impact-assisted rock breaking inwards-concave PDC drill bit which comprises a drill bit body and an impact structure, and the drill bit body is provided with an inner cavity and a first transmission protrusion arranged at the head of the drill bit body; the impact structure comprises a turbine, a transmission shaft and an impact blade, the turbine is arranged in the inner cavity of the drill bit body, the impact blade is arranged outside the drill bit body, the transmission shaft is connected between the impact blade and the turbine and provided with a second transmission protrusion, and the turbine is used for driving the transmission shaft to rotate; the second transmission protrusion and the first transmission protrusion abut against each other or are staggered in the rotating process. The impact cutter wings are used for stretching out relative to the drill bit body when the second transmission protrusions abut against the first transmission protrusions; a reset spring is further arranged between the transmission shaft and the drill bit body and used for driving the impact blades to reset when the second transmission protrusions and the first transmission protrusions are staggered. The high-frequency axial reciprocating motion of the impact blades directly crushes the center area of the drill bit, and the rock breaking efficiency of the center area of the drill bit is improved.

The present invention relates to a detachable spraying machine, including a front end cover, a drive motor, a pump assembly, a reduction gearbox, an eccentric shaft, an eccentric bearing, and a slide mechanism. The slide mechanism includes a sliding member and a detachable pressure plate. The pressure plate and the front end cover form a track, and the sliding member slides in the track. The drive motor drives the eccentric bearing via the reduction gearbox and the eccentric shaft. The rotary motion is converted into reciprocating motion through the opening of the sliding member, driving the plunger rod of the pump assembly to work.

The invention discloses efficient energy-saving reciprocating type integrated ultrafiltration equipment which comprises an ultrafiltration membrane group box body and a circulating pipeline, the ultrafiltration membrane group box body internally comprises a plurality of membrane assembly membrane collecting frames, and a driving assembly for driving each membrane assembly membrane collecting frame to synchronously reciprocate is arranged behind each of two sides of the top of the ultrafiltration membrane group box body. According to the efficient energy-saving reciprocating type integrated ultrafiltration equipment, reciprocating motion of the low-power motor is adopted as an anti-pollution measure of the ultrafiltration membrane, operation energy consumption is effectively reduced, meanwhile, the efficient energy-saving reciprocating type integrated ultrafiltration equipment is matched with a high-quality ultrafiltration membrane material, so that the efficient energy-saving reciprocating type integrated ultrafiltration equipment has high filtering efficiency, a water treatment task can be rapidly completed, and the water treatment efficiency is improved. And the requirements of modern industrial production on high efficiency, energy conservation and environmental protection are met.

The present application relates to a garment processing device comprising: a drum comprising a drum body for providing a garment storage space, a front cover forming the front surface of the drum body, a rear cover forming the rear surface of the drum body, and a drum introduction opening provided through the front cover; a fixed panel positioned to be spaced apart from the rear cover and provided with a guide hole; a mounting body inserted into the guide hole to be able to reciprocate in a direction perpendicular to the fixed panel, the mounting body being divided into a first area facing in a direction in which the rear cover is positioned with reference to the fixed panel and a second area positioned opposite to the first area; a head provided in the first area to prevent the mounting body from being separated from the fixed panel; a power transfer portion comprising a housing fixed in the second area, an input shaft having one end positioned outside the housing and having the other side positioned inside the housing, an output shaft having one end fixed to the rear cover through the fixed panel and having the other end positioned inside the housing, and a gear unit positioned inside the housing so as to transfer rotational movements from the input shaft to the output shaft; a stator fixed in the second area or the housing so as to form a rotating field; a rotor, to which one end of the input shaft is fixed, and which is rotated by the rotating field; and a first displacement limiter provided in the second area to be positioned between the fixed panel and the housing, thereby limiting the displacement of the housing toward the fixed panel.

The invention discloses a robot precision reducer performance test method, device and equipment, and relates to the technical field of robot detection, and the method comprises the steps: determining a target test joint of a precision reducer, and obtaining a standard test configuration of the target test joint based on a kinetic model of a robot; controlling a robot servo motor to implement a position keeping mode based on the standard test configuration, and determining a gravity torque reference of the standard test configuration; based on the gravity torque reference, an excitation joint adjacent to the target test joint is controlled to execute micro-amplitude high-frequency reciprocating motion under the standard test configuration, so that the target test joint generates a dynamic alternating torque load; torque feedback and angular displacement data of the target test joint under the action of the dynamic alternating torque load are synchronously collected, and a torque-rotation angle hysteretic curve is constructed after net excitation torque is calculated; and calculating the return difference and the torque rigidity of the precise speed reducer based on the torque-rotation angle hysteretic curve. And the speed reducer performance test under the real assembly boundary condition and the load coupling environment is realized.

The invention provides a galvanic pile production line. The galvanic pile production line comprises a preassembling module, an overturning module, a first gluing module and an assembling module which are sequentially arranged in the first direction; the preassembling module comprises a first rack, a material preparation area and an assembling area are sequentially arranged on the first rack in the second direction, a first storage area used for containing a liquid flow frame, a second storage area used for containing a partition plate and a first shaping module are sequentially arranged in the material preparation area in the second direction, and a second shaping module is arranged in the assembling area; the assembling area is sequentially provided with a feeding station and an assembling station in the first direction, and the second shaping module can reciprocate between the feeding station and the assembling station. High-precision assembly of the liquid flow frame and the partition plate can be improved, meanwhile, the mechanism layout is reasonable, efficiency can be improved, and the installation space of a plant can be saved.

The invention discloses a concocted juicy peach production device. The concocted juicy peach production device comprises a supporting piece, a first guiding piece, a restraining groove, a support, a first connecting piece and an assembling piece. The supporting piece provides a bearing foundation for the device, a material conveying mechanism is arranged on a lower station of the supporting piece to achieve automatic honey peach transferring, and a first driving piece on one side of the interior drives a first guiding piece to move through a first cam and a transmission piece to cooperate with a second guiding piece and a bearing piece in a restraining groove in the top of the supporting piece to drive a cleaning box to do left-right reciprocating motion. The water pipe on the support and the sprayers provide cleaning water flow, the visual detection assembly between the sprayers detects impurities on the surfaces of juicy peaches in real time, the net plate in the cleaning box ascends and descends through the linear motion executing mechanism on the first connecting piece, and the flushing mode and the elutriation mode are flexibly switched. The juicy peach cleaning device solves the problems that traditional cleaning is not thorough and low in efficiency, manual intervention is reduced, it is guaranteed that batch cleaning standards are consistent, production quality and efficiency are improved, and the juicy peach cleaning device is suitable for production of various juicy peaches.