1737 results about "Bilateral symmetry" patented technology

The invention discloses a two-dimensional bionic multi-stage conical flow divider for laser processing and an application device thereof, and the two-dimensional bionic multi-stage conical flow divider is characterized in that the upper surface and the lower surface of the two-dimensional bionic multi-stage conical flow divider are provided with micro-groove structures, and the micro-groove structures are longitudinal parallel grooves distributed in a linear array; the two-dimensional bionic multistage cone flow divider is of a bilateral symmetry structure and specifically comprises a single primary main cone and a plurality of secondary small cones on the single side, the secondary small cones are distributed on the two sides of the primary main cone at equal intervals, and the included angle between each secondary small cone and the primary main cone ranges from 9 degrees to 21 degrees. The cone angle of the first-stage main cone structure is 9-21 degrees, the length of the first-stage main cone structure is 8-12 mm, the cone angle of the second-stage small cone structure is 9-21 degrees, the length of the second-stage small cone structure is 1-3 mm, the depth of the micro-groove structure is 35-45 micrometers, and the center-to-center distance of the micro-groove structure is 28-35 micrometers. According to the two-dimensional bionic multistage conical flow divider for laser processing and the application device thereof, the problem that the efficiency of spontaneous continuous separation of existing multiphase immiscible organic liquid drops is low is solved.

The invention relates to the technical field of transformer coils, and discloses a transformer coil adopting a rotary positioning pin array structure, which comprises an interlayer insulating cylinder, a left coil winding body and a right coil winding body wound on the outer wall of the interlayer insulating cylinder, and a plurality of partition bent plates mounted in the middle of the outer wall of the interlayer insulating cylinder, adjusting plates slidably sleeve the outer wall of the interlayer insulating cylinder in a bilateral symmetry manner. The transformer coil adopting the rotary positioning pin array structure can effectively solve the problems that in the prior art, a sectional type transformer coil mostly depends on a single or few limiting parts, so that movement of coil sections in the axis direction or uneven interlayer gaps due to alignment deviation during assembly or thermal expansion and cold contraction during operation is difficult to deal with; the radial direction is difficult to resist the rigidity difference of materials or radial deviation caused by long-term operation vibration, so that dislocation between coil layers and local extrusion damage of an insulating layer are caused, and the insulating property and the short-circuit resistance of the transformer are further influenced.

The invention discloses a warehousing system based on four-way shuttle vehicles and hoisters, which comprises a plurality of layers of goods shelves, a plurality of lifting devices and a plurality of lifting devices, the four-way shuttle vehicle comprises a vehicle body and a tray installed on the vehicle body in a lifting mode. The lifting frame is arranged on the front side of the goods shelf and located at the front end of the channel. The lifting machine is installed on the lifting frame in a lifting mode, the lifting machine is provided with two cargo bearing rails distributed in a bilateral symmetry mode and a trolley rail distributed between the two cargo bearing rails, and the horizontal height of the cargo bearing rails is larger than that of the trolley rail; after goods loaded by the four-way shuttle vehicle enter the trolley track through the channel, the tray places the loaded goods on the goods bearing track, and then the four-way shuttle vehicle drives out of the trolley track. After the four-way shuttle vehicle takes the goods from the goods shelf, the goods can be directly placed on the elevator, then the next task can be executed, the four-way shuttle vehicle does not need to move to the designated layer of the goods shelf together with the taken goods along with the elevator, and the warehouse management efficiency can be improved.

The invention discloses a vortex spinning rubber roller sleeving and withdrawing all-in-one machine and a machining method thereof, and belongs to the technical field of rubber roller machining, the vortex spinning rubber roller sleeving and withdrawing all-in-one machine comprises a cabinet body and further comprises a rubber roller feeding device, a shaft sleeve feeding device, a pressing device, a positioning device and a transferring device, the rubber roller feeding device is installed on the left side of the cabinet body, and the shaft sleeve feeding device is installed on the right side of the cabinet body; the pressing device is installed on the middle side of the cabinet body, the two positioning devices are installed on the upper side of the cabinet body in a bilateral symmetry mode along the center axis of the pressing device, and the two transferring devices are installed on the upper side of the cabinet body in a bilateral symmetry mode along the center axis of the pressing device. The pressing device comprises a first support, a first air cylinder, a sliding support, a second support, a supporting rod and a fixing plate. In this way, rubber rollers and shaft sleeves can be fed one by one in a preset posture, pre-feeding and pressing assembling can be conducted on the rubber rollers only through one pressing device, and continuous assembling and discharging can be conducted on the rubber rollers and the shaft sleeves.

The invention discloses an automatic processing device for diesel generator processing and a processing method, an intermittent rotating seat is rotatably mounted above a base, a composition jig is placed above the intermittent rotating seat, the composition jig is located between an inner supporting plate and an outer pressing plate, a plurality of stator cores are placed above the composition jig in an overlapping manner, and the stator cores are located between the inner supporting plate and the outer pressing plate. The inner side and the outer side of the stator core abut against the inner supporting plate and the outer pressing plate correspondingly, a lifting base is rotationally installed at the bottom end of a push rod of the hydraulic cylinder, a pressure maintaining plate is arranged below the lifting base, and two welding mechanisms are arranged on the upper portion of the base in a bilateral symmetry mode. The intermittent rotating seat is provided with the pressure maintaining mechanism, the stator iron core is stacked between the inner supporting plate and the outer pressing plate in the pressure maintaining mechanism, the stator iron core can be supported and positioned, the welding precision is improved, the inner supporting plate and the outer pressing plate can be far away from each other, the built-in space is large, and the stator iron core can be conveniently placed and taken out.

The invention relates to the technical field of machining, in particular to a parallel double-spindle double-station intelligent turning center which comprises a bottom plate, vertical plates extending upwards are fixedly connected to the left side and the right side of the bottom plate, first supporting seats are fixedly connected to the upper side of the bottom plate in a bilateral symmetry mode, and second supporting seats extending upwards are fixedly connected to the rear portion of the upper side of the bottom plate. The machining mechanism and the feeding and discharging mechanism are used in cooperation, the machining efficiency of workpieces can be effectively improved in a double-spindle and double-station synchronous machining mode, meanwhile, by means of an oblique feeding mode, the machining efficiency of the workpieces can be effectively improved, and the machining efficiency of the workpieces can be effectively improved. According to the tool turret assembly, the machining influence of cooling liquid and chippings on workpieces is effectively reduced, the follow-up cleaning time is saved, the tool can be rapidly assembled and disassembled, the assembling and disassembling efficiency of the tool turret assembly is effectively improved, installation is stable, and time and labor are saved in use.

The invention discloses a carrying table for special-shaped optical glass processing, and relates to the technical field of optical glass processing.The carrying table comprises a workbench and semicircular glass, the semicircular glass is placed on the workbench, a fixing plate is fixed to the workbench, and second air cylinders are fixed to the lower end face of the fixing plate in a bilateral symmetry mode; a bottom plate is fixed to the output end of the second air cylinder, a positioning mechanism is installed on the bottom plate, supporting mechanisms are arranged on the side edge of the positioning mechanism in a front-back symmetry mode, each supporting mechanism comprises a transverse plate fixed to the workbench, a rotating block is connected to the transverse plate through a bearing, and the rotating angle of the rotating block ranges from 0 degree to 45 degrees. According to the platform deck for processing the special-shaped optical glass, the adjustable rotary supporting mechanism is adopted, so that the platform deck can adapt to positioning and supporting of semicircular glass with different diameters, the adaptability of the platform deck is effectively guaranteed, the supporting effect on different positions of one side of a concave surface of the semicircular glass can be achieved, and the stability of the semicircular glass is guaranteed.

The utility model provides a compacting device for processing a composite wood board. The compacting device comprises a base, a workbench is fixed on the base, openings which are in bilateral symmetry are formed in the top face of the workbench, a liftable pressing plate is arranged above one opening, and a first hydraulic rod used for driving the pressing plate is arranged above the workbench; a connecting plate is fixed to the top of the workbench, a first motor is fixed to the connecting plate, a first lead screw is fixed to a rotating shaft of the first motor, and the first lead screw is in threaded connection with a moving plate connected with the fixed end of the first hydraulic rod; two sealing plates capable of ascending and descending are arranged on the bottom face of the workbench and used for sealing the bottoms of the two openings correspondingly, and a second hydraulic rod used for driving the sealing plates is arranged on the base. According to the utility model, raw materials are alternately fed through the two openings for use, so that the machine does not need to be stopped for a long time during material taking after the compaction operation of the composite wood board, the material taking process of the composite wood board is simple and rapid, and the processing efficiency of the composite wood board is improved.

The invention relates to the technical field of electric bicycle detection, in particular to an electric bicycle frame strength detection device and method.The electric bicycle frame strength detection device comprises a base, the upper end of the base is provided with two vibration units symmetrically arranged front and back, and the upper end of the base is further provided with a testing unit used for clamping a frame and vibrating the frame up and down in cooperation with the vibration units; the positions, corresponding to the vibration units, of the base are each provided with two adjusting units which are arranged in a bilateral symmetry mode. According to the invention, the two hinged vibration plates and the test unit cooperate to carry out vibration test on the strength of the frame, and the vibration plates and the test unit cooperate to drive the vertical vibration amplitude of the frame to be adjusted according to the included angle between the two hinged vibration plates. Therefore, the frame strength of the electric vehicle when the electric vehicle runs on the road surfaces with different road conditions can be tested, the frame testing efficiency is improved, meanwhile, the frame strength of the electric vehicle when the electric vehicle runs on the continuously changing road surfaces can be tested, and the frame strength testing accuracy is improved.

The invention discloses a material tensile strength testing device suitable for a high-humidity and high-salt environment, the material tensile strength testing device comprises a box body, two connecting plates are fixedly connected to the rear side, close to the top, of an inner cavity of the box body, the two connecting plates are arranged in a bilateral symmetry mode, and two concentric-square-shaped frames are jointly and fixedly connected between the two connecting plates; through mutual cooperation of a driving gear, a concave mounting plate, an A-shaped mounting plate, a driving motor, a cleaning gear, an inner gear ring and the like, the outer surface of a reinforcing steel bar can be pretreated, and the situation that a test result is affected by corrosion of the surface of the reinforcing steel bar is prevented; through mutual cooperation of a component moving motor, a connecting plate, a double-thread lead screw, a moving block, a salt spray test box, a linkage rod, absorption cotton and other components, when a steel bar is tested in a continuous salt spray environment, salt spray liquid drops are attached to the outer surface of the steel bar, so that the surface of a sample is condensed; a local electrolyte membrane can be prevented from being formed on the surface of the steel bar to accelerate pitting corrosion or galvanic corrosion.

The invention relates to the technical field of automobile bumper beam assembly manufacturing, in particular to automobile bumper beam assembly automatic welding equipment and a welding method.The automobile bumper beam assembly automatic welding equipment comprises a base, a clamp base is fixedly installed on the upper end face of the base, and welding mechanical arms which are located in front of the clamp base and are in bilateral symmetry are fixedly installed on the upper end face of the base; and a bearing mechanism is arranged on the clamp seat. A comprehensive operation model of bearing, limiting and aligning is adopted for completing rapid welding after integrated clamping and fixing of the automobile bumper beam and the energy absorption box, firstly, the position of the beam is accurately corrected through cooperation of abutting limiting and internal expansion on the upper end face and the lower end face of the beam, and it is guaranteed that the beam and the energy absorption box are accurately aligned; and meanwhile, the overall stability is enhanced through supporting of a trapezoidal structure, vibration and deformation in the welding process are reduced, and deformation caused by thermal stress is avoided, so that uniformity and consistency of welding seams are achieved through mutual cooperation of mechanisms, the overall welding quality and strength are remarkably improved, and the production efficiency of the automobile bumper beam assembly is improved.

The invention relates to the technical field of cleaning robots, in particular to a multifunctional oil tank cleaning robot which comprises a shell and universal wheels, the universal wheels are movably connected to the position, close to the front side, of the bottom face of the shell, and two driving assemblies are arranged on the top face of the shell in a bilateral symmetry mode. According to the cleaning robot, the driving assembly, the universal wheels, the impurity collecting assembly and the cleaning assembly are arranged, when the oil tank is cleaned, the direction and speed of the driving wheel are controlled through the first motor, and the arranged universal wheels are combined, so that automatic operation of the cleaning robot in the oil tank can be achieved; then an annular gear is driven through a second motor, the annular gear is meshed with a first gear to drive a cleaning brush to rotate, cleaning operation on the interior of the oil tank is achieved, impurities are sucked into a connecting pipe under the action of negative pressure equipment, the impurities enter an inner cavity of a collecting shell, and collecting operation on the impurities in the oil tank is completed; the cleaning effect is good.

The utility model belongs to the technical field of power equipment, and particularly relates to a wire clamp fixing device which comprises an upper clamp and a lower clamp, the upper clamp is located above the lower clamp, bolts are arranged on the upper side and the lower side of the upper clamp and the lower clamp in a penetrating mode, and first cambered surface grooves are formed in the lower side of the upper clamp in a bilateral symmetry mode. Second cambered surface grooves are formed in the upper side of the lower clamp in a bilateral symmetry mode, a clamping groove is formed in the upper side of the lower clamp, an arc-shaped gasket is movably arranged on the lower side of the lower clamp, adjusting nuts are connected to the upper side of the upper clamp in a bilateral symmetry mode, and an adjusting screw rod is arranged on the upper side of the upper clamp in a penetrating mode; the adjusting screw rods are symmetrically arranged left and right, the adjusting nuts are in threaded connection with the adjusting screw rods, and arc-shaped pressing plates are rotatably arranged at the lower ends of the adjusting screw rods, so that the problems that when an existing device is used, fixation cannot be carried out according to cables with different diameters, and inconvenience is caused are solved; when an existing device is used for fixing a cable, the skin of the cable is prone to abrasion, and danger is caused.

The invention relates to the technical field of pipe fitting welding, and particularly discloses a metal pipe fitting welding device which comprises a machine body for containing pipe fittings and a portal frame fixedly installed at the top of the machine body, an air cylinder is fixedly installed at the top of the portal frame, a sliding table mechanism is arranged at the top of the machine body, a welding gun is arranged on the sliding table mechanism, and a driving mechanism is arranged on the machine body. Two extrusion inner supporting mechanisms in bilateral symmetry are arranged on the driving mechanism, longitudinal pressing force is applied to the transverse pipe and the two vertical pipes through pressing plates, the transverse pipe and the two vertical pipes are further longitudinally limited, and the problem that the welding quality is affected due to the fact that the transverse pipe and the two vertical pipes are not tightly attached is solved; and meanwhile, the two deviation preventing plates enter the pipe fitting to be in clearance fit with the vertical pipes and the transverse pipe, so that the transverse pipe and the two vertical pipes are further horizontally limited through ingenious utilization of the tiny clearance, the welding stability is further improved, and deviation of the transverse pipe and the two vertical pipes in the horizontal direction in the welding process is avoided.

The invention discloses a color stone metal tile surface wear resistance detection device, and relates to the technical field of color stone metal tile detection, the color stone metal tile surface wear resistance detection device comprises a supporting mechanism and a detection mechanism, the supporting mechanism comprises a lower supporting plate and an upper supporting plate, and the top wall of the lower supporting plate is connected with the upper supporting plate through two stand columns fixed in a bilateral symmetry mode; a detection mechanism is arranged on the lower supporting plate, and a flow adjusting mechanism, a shakeout mechanism, a supporting frame and a recycling mechanism are arranged on the upper supporting plate. The device has the advantages that sand grains are adjusted to fall quantitatively, and the impact frequencies of different quantities of sand grains on a sample in unit area are different, so that the diversity of detection results is improved; the wear conditions of different positions of the same color stone metal tile sample to be detected under different inclination conditions and different height conditions are simulated, so that the diversity and authenticity of detection results are improved; when repeated experiments are carried out, the recovery mechanism is matched with the flow adjusting mechanism, so that the consistency and repeatability of test results are ensured.

The high-speed AC cradle double-turntable driven by the torque motor comprises two A-axis turntables, two C-axis turntables and a bridge plate, the two A-axis turntables are installed on the left side and the right side of the bridge plate in a bilateral symmetry mode, and the two C-axis turntables are installed in the middle of the bridge plate in a bilateral symmetry mode; each group of A-axis rotary table comprises an A-axis working table, an A-axis torque motor stator, an A-axis torque motor rotor, a motor water-cooled jacket, an A-axis brake mechanism and an A-axis encoder assembly, and each group of C-axis rotary table comprises a C-axis working table, a C-axis torque motor stator, a C-axis torque motor rotor, a C-axis brake mechanism and a C-axis encoder assembly. The two groups of A-axis rotary tables and the two groups of C-axis rotary tables of the double rotary tables are driven by torque motors, and the A-axis encoder assemblies and the C-axis encoder assemblies are arranged for full-closed-loop control, so that high-precision and high-dynamic response is realized, and the double rotary tables are particularly suitable for manufacturing automobile parts on a large scale; and the aluminum alloy parts can be applied to machining of complex multi-angle aluminum alloy parts such as motor shells, speed reducer shells and shock absorption towers.

The utility model relates to the technical field of network security, and discloses a network security isolation protection device, which comprises a main body, a plurality of slots are uniformly arranged on one side of the main body, a dustproof assembly is arranged on one side of the main body and at each slot, and the dustproof assembly comprises two fixing bolts, two rotating plates and two baffle plates. The two rotating plates are arranged to be in a semi-circular shape distributed in a bilateral symmetry mode, through holes are formed in the top ends of the side faces of the two rotating plates, the two fixing bolts are inserted into the through holes in the top ends of the two rotating plates in a penetrating mode respectively, and the ends, penetrating through the through holes, of the two fixing bolts are fixedly connected to the side face of the main body. The dustproof component is arranged at the slot on the side surface of the main body, so that a dustproof effect can be achieved when the slot is not connected with a network cable, the dustproof component does not affect the connection of the network cable when the slot is connected with the network cable, and the stability of the connection between the network cable and the slot can be enhanced.

The utility model relates to an electric seat rack which comprises a driving assembly, a seat frame supporting assembly, a backrest assembly and two mechanical stretching units arranged in a bilateral symmetry mode, the backrest assembly is hinged to the seat frame supporting assembly, and each mechanical stretching unit is composed of a leg and foot assembly and a transmission rod. The chair is characterized in that the two leg and foot assemblies are installed on the two sides of the seat frame supporting assembly respectively and hinged to one ends of the corresponding transmission rods respectively, the other ends of the transmission rods are hinged to the backrest assembly through backrest transmission rod hinge shafts, and the two ends of a driving rod of the driving assembly are connected with the two leg and foot assemblies respectively; the seat frame supporting assembly is composed of two quadrilateral supporting frames symmetrically arranged on the two sides and a connecting assembly for fixing the two quadrilateral supporting frames into a whole. The backrest assembly comprises a backrest frame and a backrest connecting piece. The seat frame supporting assembly is arranged, production and installation are convenient, cost is low, and overall stability is good.

The invention discloses a hose quick connector testing device which comprises a U-shaped frame, a supporting frame, a pipeline rotating mechanism, a downward pressing pipeline mechanism, a left side pipeline clamping mechanism, a right side pipeline clamping mechanism, a left side compression and tensile testing mechanism and a right side compression and tensile testing mechanism. The U-shaped frame is arranged above the pipeline rotating mechanism, the pipeline pressing mechanisms are distributed on the U-shaped frame in a bilateral symmetry mode, and the left side compression and tensile testing mechanism, the left side pipeline clamping mechanism, the right side pipeline clamping mechanism and the right side compression and tensile testing mechanism are distributed in a bilateral symmetry mode with the U-shaped frame as the center. According to the invention, the downward pressing angle can be adjusted, so that the quick joint and the test pipeline bear pressure or bending from different angles, the comprehensiveness of a test result is ensured, the performance of the joint in a real use scene is conveniently and accurately evaluated, and the universality and flexibility of equipment are enhanced.

According to the aluminum alloy door and window with the anti-theft function in the field of doors and windows, through the built-in anti-theft net arranged in the window frame, an independent anti-theft net does not need to be installed on the outer side of the aluminum alloy window, and through the pair of anti-theft ropes arranged in a bilateral symmetry mode and the first winding mechanism, the anti-theft effect is achieved; a pair of anti-theft ropes which are arranged in a bilateral symmetry mode is tensioned to form a vertical grid-shaped anti-theft net, rapid erection of the anti-theft net is achieved, the anti-theft ropes are rapidly pulled and stored through a storage mechanism comprising a traction ring, a traction rope and a second winding mechanism, rapid storage of the anti-theft net is achieved, and the anti-theft net is convenient to use. The problem that a traditional detachable anti-theft net is tedious in operation is solved, after the anti-theft rope is stored, the aluminum alloy window has a large viewing view field, and practicability and attractiveness are achieved; in addition, by arranging a human body proximity sensor, a distance sensor, a window sash driving mechanism and an anti-theft system, different anti-theft operations are automatically adopted according to different scenes, and multi-stage anti-theft is achieved.

The invention provides a high-fuel-efficiency double-fuselage layout passenger plane and a design method. The high-fuel-efficiency double-fuselage layout passenger plane comprises fuselages, wings, empennages and a power device. The machine body comprises a first machine body and a second machine body which are arranged in parallel in bilateral symmetry; the wings are fixedly arranged above the middle parts of the first fuselage and the second fuselage, and the empennage is fixedly arranged above the tail parts of the first fuselage and the second fuselage; the power devices are symmetrically arranged at the front edges of the left side and the right side of the wing in a wing-hung double-sheet bureau mode. The high-fuel-efficiency double-fuselage layout passenger plane and the design method have the characteristics of energy conservation and emission reduction, the design method and the internal layout design method of the corresponding double-fuselage layout passenger plane are provided, and energy conservation and environmental protection are achieved by minimizing the weight of the fuselage structure and fully utilizing the internal space of the fuselage. And the method has the potential of bringing more operating profits to airlines.

The utility model belongs to the technical field of panel cleaning, and relates to a full-automatic chamfering, burr removing and oxide skin removing device for a panel, which comprises a rack, a panel chamfering mechanism and a panel burr removing and oxide skin removing mechanism, the panel chamfering mechanism comprises supporting seats arranged above the rack in a bilateral symmetry mode, pressing wheel assemblies installed on the supporting seats, lifting assemblies used for driving the supporting seats to ascend or descend, and a transverse moving assembly used for driving the two lifting assemblies to get close to each other or get away from each other. The positioning assembly is arranged at the front end of the supporting seat, and the transverse moving assembly is installed on the rack; the automatic panel cleaning machine can automatically chamfer and remove burrs and oxide skin on panels, is higher in cleaning efficiency, saves more time and labor in the cleaning process, and is suitable for cleaning the panels in batches.

The invention discloses a new energy automobile battery tray welding anti-deformation auxiliary supporting device, and relates to the technical field of new energy automobile battery trays, the new energy automobile battery tray welding anti-deformation auxiliary supporting device comprises a reference frame, L-shaped clamping seats, self-adaptive limiting mechanisms, elastic pressing mechanisms and supporting legs, the four L-shaped clamping seats are fixedly connected to the four corners of the top end of the frame, and the two self-adaptive limiting mechanisms are in front-back symmetry; the two elastic pressing mechanisms are in bilateral symmetry, the self-adaptive limiting mechanism comprises three telescopic columns, column bodies are fixedly connected with guide limiting plates, belleville spring sets are arranged between the plates and the frame, buffer rubber cakes are installed on the outer sides of the plates, and the two ends of the plates are connected with reinforced L-shaped brackets through magnetic assemblies. The supporting legs are inserted into four corners of the frame to be locked and fixed; according to the device, all-directional constraint is achieved through cooperation of multiple mechanisms, welding thermal stress is offset in a self-adaptive mode, deformation and scratch are prevented, and the welding precision is improved.

The utility model relates to the technical field of deburring machines, and discloses a cold-roll steel sheet deburring machine which is characterized in that a top plate is arranged above a bottom plate, a height adjusting assembly is arranged on the bottom plate, and the height of the top plate is adjusted by the height adjusting assembly; first open grooves are formed in the top plate in a bilateral symmetry mode, mounting blocks are arranged below the first open grooves, the lower end faces of the mounting blocks are rotationally connected with grinding rollers, first motors are arranged on the upper end faces of the mounting blocks and drive the grinding rollers to rotate, and a position adjusting assembly is arranged in the middle section of the upper end face of the top plate and adjusts the positions of the first air cylinders. Piston rods of the cylinders I are connected with the frame body; second open grooves are formed in the frame body in a bilateral symmetry mode, movable blocks are connected into the second open grooves in a sliding mode and connected with the installation blocks through connecting rods, a bidirectional air cylinder is arranged on the upper end face of the frame body, and piston rods of the bidirectional air cylinder are connected with the movable blocks. The cold-roll steel plate deburring device has the advantage that cold-roll steel plates of different specifications and sizes can be subjected to comprehensive and thorough deburring treatment.

The invention relates to a grinding device for quartz tube machining and a grinding method thereof.The device comprises box bodies arranged in a bilateral symmetry mode, clamping rotating shafts, clamping cylinders and a plurality of clamping rings are arranged in the box bodies and used for stably fixing a quartz tube, the device is provided with a motor driving system, and the quartz tube is driven to rotate through a first motor; in order to solve the dust problem, the device is provided with a multi-stage dust treatment system composed of a cyclone separation box, a wetting adsorption layer, a planetary gear train and the like, dust generated in the grinding process can be efficiently collected and treated, secondary pollution is avoided, and in addition, the device is simple and convenient to design and low in cost. The quartz tube polishing device is simple in structure, flexible to operate, low in maintenance cost, high in polishing efficiency and environment-friendly, suitable for precision machining of quartz tubes, and particularly wide in application prospect in polishing scenes requiring high cleanliness and high precision.

The invention relates to the field of corrugated pipe drilling, in particular to metal corrugated pipe drilling equipment which comprises two fixing mechanisms arranged in a bilateral symmetry mode and a guide rod fixedly connected between the two fixing mechanisms. A driving mechanism for driving the movable mechanism to move and operate is installed on the front face of the movable mechanism, and a pressing mechanism and a drilling mechanism are evenly distributed on the left side of the movable mechanism in the circumferential direction. A single power source drives a second motor to drive a reciprocating moving assembly and an intermittent moving assembly to operate, the second driving motor drives a moving gear to intermittently rotate through a stirring disc and a grooved wheel, and a moving mechanism can be driven to intermittently move rightwards at equal intervals; and meanwhile, a second driving motor can drive a driving gear to rotate forwards and backwards by driving a reciprocating movement assembly to reciprocate, so that a movable mechanism can drive a pressing mechanism and a drilling mechanism to be close to the metal corrugated pipe for fixing and drilling, the drilling efficiency is improved, and the production cost is reduced.

The utility model discloses a turbine blade grinding machining device which comprises a base, the left portion and the right portion of the lower end of the base are each fixedly provided with a set of supporting bases, the two sets of supporting bases are distributed in a bilateral symmetry mode, and each set comprises two supporting bases; and a connecting column is fixedly installed at the upper end of the adjusting assembly, the outer surface of the connecting column is movably sleeved with a turbine blade body, and the left portion and the right portion of the upper end of the base are each fixedly provided with a set of supporting columns. According to the turbine blade grinding machining device, the adjusting assembly and the connecting column are arranged, the motor drives the rotating column and the first gear, then the first gear drives the second gear and the supporting column to rotate, and under driving of the supporting column, the rotating disc can drive the connecting column and a turbine blade body to rotate; therefore, the turbine blade body is convenient to adjust; and the limiting rings and the limiting pins are used for reinforcement, so that the stability of the turbine blade body is enhanced.

The invention relates to the field of cranes, in particular to an automatic grabbing lifting appliance device for a crane, which comprises a lifting frame, a distance adjusting mechanism is fixedly connected to the bottom of the lifting frame, two telescopic frames in bilateral symmetry are mounted at two ends of the distance adjusting mechanism, lifting rods are mounted on the outer sides of the telescopic frames, and the telescopic frames adjust the distance between the lifting rods according to the length of a lifted pipe. Two vibrating mechanisms are mounted at the bottom of the lifting rod, the two vibrating mechanisms are symmetrically arranged left and right, inner supporting mechanisms are mounted on the inner sides of the vibrating mechanisms, the inner supporting mechanisms extend outwards to support and fix a pipe, the vibrating mechanisms can enable the pipe to vibrate while rotating, dirt on the inner wall of the pipe is vibrated off, and accurate grabbing of the pipes with different lengths is achieved; the adaptive range of the lifting appliance to pipes of various specifications is greatly widened, automatic grabbing of the pipes is achieved, manual auxiliary operation is reduced, the labor cost is saved, and the safety and efficiency of lifting operation are improved.

The invention discloses a low-noise motor rotor dynamic balance detection device, and particularly relates to the technical field of automobile part detection, the low-noise motor rotor dynamic balance detection device comprises a detection table and supporting plates arranged at the upper end of the detection table in a bilateral symmetry manner, and the inner surfaces of the two supporting plates are jointly provided with rotor fixing structures distributed in a bilateral symmetry manner; driving structures used for driving a motor rotor to rotate are arranged at the upper end of the detection table in a bilateral symmetry mode, and an eccentricity detection structure used for detecting the rotation eccentricity and the vibration frequency of the rotor is arranged in the middle of the upper end of the detection table. Rotor noise is effectively isolated through the shielding cover to ensure detection accuracy, automatic centering and stable clamping of the rotor are achieved through cooperation of the clamping assembly and the driving assembly of the rotor fixing structure, and accurate positioning and low-friction driving of the rotor are completed through cooperation of the positioning assembly and the locking assembly of the driving structure. Vibration and eccentricity data are acquired in a multi-dimensional manner by combining a contact wheel of an eccentricity detection structure and a sensor array, and high-precision comprehensive detection of dynamic balance of the rotor is finally realized.

The invention relates to the technical field of die casting machining and cooling, in particular to a cooling device for weaving machine accessory die casting equipment, which comprises an outer-layer mounting shell, the outer-layer mounting shell is composed of a lower base and an upper cooling shell, and two conveyor belt devices which are distributed in parallel left and right are mounted at the upper part in the base; a first cooling mechanism is arranged on the lower portion in the base, and a second cooling mechanism is arranged in the cooling shell. A reciprocating motion mechanism is arranged in the middle of the interior of the base, two movable shells are installed at the movable end of the reciprocating motion mechanism, a front supporting mechanism and a rear supporting mechanism are arranged above the conveying belt device, and each supporting mechanism comprises two supporting nets distributed in a bilateral symmetry mode. According to the invention, through the innovation of dynamic transmission, self-adaptive support and intelligent airflow, an efficient and uniform die casting cooling system is constructed; the problems of oxidation and uneven heat dissipation are solved through conveyor belt punching and nitrogen protection, the electric telescopic rods are dynamically positioned to adapt to special-shaped die castings, and thermal stress and cooling blind areas are eliminated through multi-fan intelligent control.