25results about How to "Mesh precision" patented technology

The invention relates to a crane automatic transmission device and method under an I-shaped beam annular route, the crane automatic transmission device comprises a crane bin and an I-shaped beam, the I-shaped beam comprises a first linear end distributed in the Y-axis direction and a second linear end distributed in the X-axis direction, and a connecting bend is arranged between the first linear end and the second linear end; a power input mechanism is arranged at the top of the crane bin and comprises a first driving gear, a second driving gear, a power shaft and a power motor, the first driving gear can be matched with the first rack track, and the second driving gear can be matched with the second rack track. The device is used for smooth turning of a crane annular route in a limited space, the resistance of a current crane under a small turning radius is reduced, the reliability of a crane system is improved, and the device is a key component in indoor crane transmission equipment.

This invention provides an automated assembly and tightening device for shaft-end nuts that is easy to verify, belonging to the field of industrial manufacturing technology. This invention achieves full automation of the nut assembly process by integrating components such as a base, conveying mechanism, nut supply device, assembly robotic arm, tightening mechanism, and verification system. Its core lies in employing a two-stage tightening control strategy, dividing the tightening process into preliminary tightening and reinforcement tightening stages. In the preliminary tightening stage, a low-speed, high-precision mode and dynamic damping control ensure correct thread engagement. The intermediate verification stage measures axial displacement values ​​to promptly detect anomalies. In the reinforcement tightening stage, a stepped torque-increasing algorithm ensures uniform stress distribution. Finally, multi-parameter comprehensive verification evaluates the tightening quality and generates a traceability code, effectively solving the quality instability problem caused by a single-stage tightening method for shaft-end nuts.

This utility model discloses a reducer device for emulsion drilling rigs, including a first mounting shell, a second mounting shell disposed on the first mounting shell, and fixing bolts disposed between the first and second mounting shells. It enables rapid fixing and disassembly of the reducer body without disassembling numerous related components, significantly simplifying the replacement process, shortening downtime, and reducing the impact on construction progress. In terms of maintenance, the ease of assembly and disassembly reduces reliance on confined operating spaces and the risk of secondary damage due to improper operation. Regarding costs, it reduces labor hours and labor costs; reduces wear and tear on surrounding components from repeated disassembly, lowering the probability of unplanned replacements; and eliminates the need to stock complete units, reducing inventory costs. Furthermore, the flexible fixing method facilitates adaptation to equipment upgrade needs without requiring modification or replacement of the entire machine, further reducing costs, making it particularly suitable for scenarios such as underground mining.

The utility model provides a kind of multi-directional rotation locking's building model display platform, it is related to display platform technical field, comprising: bottom plate;Rotary locking assembly, rotary locking assembly includes the support frame being set on bottom plate, in the utility model, this display platform realizes multi-angle display by rotary locking assembly and lifting adjustment component cooperation, when working, transmission motor drives the rotation of first support plate, and clamping block is embedded in ratchet slot under the action of telescopic spring and realizes mechanical locking, ensure that the display angle is accurately fixed, and the hydraulic push rod of lifting adjustment component promotes the up-and-down movement of third support plate, drives the lifting of entire support frame, changes model display height, rotation and lifting action can be independently or synchronously carried out, fixed block guides clamping block linear motion, ensure the accurate engagement with ratchet slot, realize the multi-directional rotation of display model, arbitrary angle locking and height adjustment function, satisfy all-around display requirement.

The invention belongs to the field of metal processing technology, and relates to a sector gear processing method, which adopts an integral forging stock, removes allowance through rough machining, improves mechanical performance through heat treatment, and then enters a finish machining stage including fine machining, deburring and qualitative treatment to ensure processing precision and shape stability. The two half rings are accurately divided, further vertical machining is carried out, and then the positioning pins and the screw holes are used for accurate assembly, so that the matching accuracy is guaranteed. And after hole machining, aging treatment is conducted to remove stress, and the size, precision and tooth shape of a finished product are ensured in the final machining stage. In addition, corrosion resistance and attractiveness are improved through surface oxidation treatment. According to the method, the machining precision and the overall quality of the sector gear are remarkably improved, the reinstallation precision after disassembly and assembly is ensured, meanwhile, the corrosion resistance of the gear is enhanced, and the method is suitable for various precise transmission systems and has wide application prospects and important practical value.

The application provides an assembling device of a worm assembly, which comprises a riveting module, a cleaning and oiling module, a pressing module, a clamping ring feeding module and a conveying module. The riveting module is used for riveting a curled ring to fix a secondary part on the worm. The cleaning and oiling module is arranged between the riveting module and the pressing module, and is used for cleaning the worm assembly and applying oil to the worm. The pressing module is used for pressing the worm and the clamping ring, and comprises a gear shifting mechanism. The gear shifting mechanism can rotate the worm gear during the pressing process. The clamping ring feeding module is arranged on one side of the pressing module, and is used for feeding the clamping ring to the pressing module. The conveying module is used for conveying materials between the modules. The automatic assembly of the worm assembly is realized through the processes of riveting, cleaning and oiling, pressing and the like. The degree of automation is high. During the pressing process of the worm, the incorrect gear and the top gear can be automatically corrected, so that the collision and damage of the gear part of the worm and the worm gear during the pressing process are avoided, and the assembly efficiency and the assembly quality are improved.

The utility model provides a kind of high engagement wear-resistant rubber track, including rubber track main body, the outer surface of the rubber track main body is integrally provided with antiskid line, the middle of its inner and outer ring is provided with wheel hole recess, wheel hole recess is provided with track wheel hole slot in the middle penetration, the inside of rubber track main body is provided with anti-drop iron core and reinforcing iron band, and a plurality of iron band wheel holes are provided in reinforcing iron band penetration, and wheel hole frame is provided at each iron band wheel hole;In the utility model, wheel hole frame enhances wheel hole strength and prevents wear, anti-drop iron core and reinforcing iron band are supported in cooperation, iron band wheel hole corresponds with track wheel hole slot, engagement precision and stability are improved, anti-drop protrusion limit prevents derailment, and operation is guaranteed.

The utility model discloses a head and tail seat type positioner relates to positioner technical field, and its technical scheme main points are: including underframe, headstock and tailstock, and tailstock and underframe slide fit, and be provided with two support mechanism for supporting rotary workpiece between headstock and tailstock, be provided with the first drive mechanism for driving rotary workpiece rotation in the headstock, and tailstock and support mechanism all are provided with the limiting device for limiting tailstock and support mechanism. The utility model discloses a support mechanism is arranged for, thereby making support mechanism can play the supporting effect to rotary workpiece, greatly reduce the weight load of main shaft to rotary workpiece, make the main shaft have longer service life, and the meshing of driving gear and driven gear can be more accurate through the adjustment of the adjusting plate of first drive mechanism, make the installation and structure of first drive mechanism more simple, thereby effectively reduce the processing manufacture and production cost of first drive mechanism.

The invention relates to the technical field of bucket tooth machining, and discloses automatic bucket tooth machining equipment which comprises a machine base, a forging and pressing base and two punching oil cylinders are arranged on the machine base, punching heads are fixed to the telescopic ends of the two punching oil cylinders, and a turnover mounting plate is arranged on the machine base; positioning seats are fixed on the top surface and the bottom surface of the mounting plate, the mounting plate is rotationally mounted on the machine base through two rotating shafts, a gear is fixedly arranged on one rotating shaft in a sleeving manner, and open grooves are formed in the front side surface and the rear side surface of the mounting plate. Stamping forging and punching treatment can be automatically completed, the forging and pressing base descends to achieve die blank stamping forming, the two punching oil cylinders drive the punching head to punch a die blank, the punching operation is convenient through the hole site design on the positioning base, and the machining efficiency is improved.

The utility model relates to overturning device technical field, and disclose a kind of overturning device for precision metal structural member processing, the inside of installation shell is provided with installation groove, the inner wall of installation groove is fixedly installed with limit support, the middle groove of limit support is equipped with fixed gear, the two sides inner walls of limit support are respectively oppositely provided with slide rail assembly, the sliding block of slide rail assembly is fixedly connected with connecting plate, one side of two side connecting plates adjacent is respectively provided with rack, fixed gear is respectively and two side racks are interlocked, and the bottom end outside of two side connecting plates is respectively extended to the outside of installation shell and fixedly installed with clamping block, two clamping blocks are on the same horizontal line.The utility model is through the setting of gear, rack and limit support, gear and rack are directly engaged, transmission path is short, and loss is small, limit support prevents meshing clearance change, clamping block movement is stable, and force is even, gear positive and negative rotation adjusts clamping block opening and closing, adapts to different size workpieces, without changing component, reduce cost, improve versatility.

The invention relates to the technical field of food processing equipment, in particular to a full-automatic steamed bun forming and steaming all-in-one machine which can drive a plurality of bearing rods arranged on the side wall of a rotating disc to move synchronously through rotating motion of the rotating disc. In the moving process of the bearing rods, gears outside the bearing rods can be matched with a gear ring inside the steam box, so that accurate meshing and rotation are achieved, along with continuous rotation of the rotating disc, the rotating frame is pushed to move along a specific track, and the rotating frame can also rotate automatically, so that the steam box can rotate automatically. The dual movement mechanism ensures that steamed buns in the rotating frame can obtain uniform heat distribution, so that an efficient steaming process is realized, the steamed buns can be uniformly heated in the steaming process, each steamed bun can obtain the same cooking effect, and the quality and taste of food are ensured.

A through-type disconnectable busbar hanging device, wherein the movable busbar is hung on a transmission device, and the transmission device is fixedly hung below the top wall of a tunnel entrance; the two ends of the movable busbar are fixedly connected with a first slide rail and a third slide rail; the second slide rail is slidably connected to the inner side surface of the first slide rail, and the fourth slide rail is slidably connected to the inner side surface of the third slide rail; parallel guide seats are fixed on the top surfaces of the first slide rail, the second slide rail, the third slide rail, and the fourth slide rail, and a guide rod is installed on one side of the parallel guide seat, and a circular through hole is provided on the other side; the transmission device drives the conduit to move along the line direction, and drives the movable busbar to move along the line direction, thereby separating the first slide rail from the second slide rail, and the third slide rail from the fourth slide rail, and the guide rod is disengaged from the circular through hole of the parallel guide seat on the opposite side, and drives the conduit to rotate, driving the movable busbar to rotate upward, so as to meet the rapid closing application requirements of double-opening and single-opening civil defense doors.

The utility model relates to the field of magnetic attraction lamps, in particular to an intelligent LED lamp fixed through magnetic attraction. When the light-emitting part and the wireless connecting base are connected through the device, the magnetic attraction locking assembly can be pulled for unlocking at the moment, then the light-emitting part is pushed, and the light-emitting part and the wireless connecting base are pushed to be accurately attached through the guiding and limiting effect of the guiding and stabilizing assembly; at the moment, the magnetic attraction locking assembly is rotated to drive the connecting assembly to directly lock the light-emitting part and the wireless connecting base, the magnetic attraction locking assembly is not prone to reverse rotation through the magnetic attraction effect, connection is more stable, after the light-emitting part is installed through mechanical connection of the connecting assembly, the light-emitting part is not prone to falling or loosening, meanwhile, connection is rapid and convenient, and use is convenient. Locking is conducted through magnetic attraction of the magnetic attraction locking assembly, when the light-emitting part is collided and pulled, acting force cannot act on the magnetic attraction position, magnetic attraction is not prone to loosening, and connection is more stable.

The invention relates to the technical field of diesel engines, in particular to application of a tooth surface composite mark in the design and assembly process of a timing gear train, which comprises an idle gear component, and the peripheral side of the idle gear component is respectively meshed with a fuel pump driving gear, a crankshaft timing gear and a camshaft gear. An idle gear shaft and an idle gear pressing plate are arranged on the idle gear component, the idle gear pressing plate is used for fixing the idle gear component and controlling an axial gap, and the idle gear component is coated with a first red mark, a second red mark and a third red mark. The assembly precision and efficiency can be improved, it is ensured that a helical gear system is accurately meshed under the condition of different thicknesses, the wrong assembly risk is reduced, inspection work can be conducted through marking, and therefore the assembly efficiency and accuracy are effectively improved, further, the marking mark can be reserved and used for marking when an engine is overhauled after being operated for a long time, and the work efficiency is improved. The maintenance efficiency is improved.

The application discloses a universal joint ball pair locking mechanism and medical equipment, and relates to the field of medical equipment. The universal joint ball pair locking mechanism comprises a ball joint and a locking assembly. The ball joint comprises an inner ball head and an outer ball body which are hingedly connected with each other. The locking assembly comprises a first engaging member, a second engaging member and an unlocking driving member. The application realizes rigid locking through the engagement of the first engaging member and the second engaging member. The locking design is not affected by factors such as changes in the friction coefficient and wear, and can stably maintain the relative angle of the inner ball head and the outer ball body, thereby avoiding adverse loosening caused by friction failure and improving the stability of the locking strength. The locking assembly has two states of locking and unlocking. When unlocked, the inner ball head and the outer ball body can be universally adjusted, thereby meeting the requirement of flexible equipment to reach a target position and angle. When locked, stable support is provided through rigid engagement, and the use requirements of flexible adjustment and reliable locking are considered, so that the application is well applicable to application occasions of the stability of equipment operation.

The invention provides a variable speed control device and a bicycle. The variable speed control device comprises a main body and a variable speed operation unit, a speed change positioning component arranged on the speed change operation unit can selectively maintain the winding component at a first output position, a second output position or a third output position; a pushing piece of the variable-speed positioning component is in linkage fit with the operating component, and correspondingly provides power for movably switching the coiling component at any output position in the first direction; the locking piece can allow the winding component to move in a one-way intermittent mode and limit the winding component to the output position driven by the pushing piece. The unlocking piece directly controls the locking piece so as to release the limitation on the coiling component; when the unlocking piece is controlled to trigger the locking piece to release limiting, the winding component can correspondingly reset and rotate to a first output position in a self-adaptive manner; therefore, the speed change control is simplified, the speed change system can be automatically reset after the lock is unlocked, and the convenience of user operation is improved.

The utility model discloses a kind of end face tooth connection structure and vehicle, including being set to the first flange of first to be connected piece circumferential, first flange is equipped with the distribution of several first connecting parts along its circumferential;First end face tooth is set to the axial one end of first to be connected piece;Second flange is set to the second to be connected piece circumferential, second flange is equipped with the distribution of several second connecting parts along its circumferential, second connecting part and first connecting part one-to-one corresponding connection;And second end face tooth is set to the axial one end of second to be connected piece, second end face tooth is suitable for with first end face tooth meshing;With one group of first connecting part and second connecting part as positioning part, in circumferential direction, positioning part and the first end face tooth tooth groove have first included angle, and with the second end face tooth addendum have second included angle equal with first included angle.The utility model can realize the effective positioning of end face tooth in circumferential direction, guarantee the accurate meshing of end face tooth between first to be connected piece and second to be connected piece.

The utility model relates to the technical field of environmental remediation, and discloses environmental remediation soil treatment equipment which comprises a mixing mechanism, a screening mechanism and a conveying mechanism, the screening mechanism is located at the top of the mixing mechanism, the conveying mechanism is located at the bottom of the screening mechanism, the mixing mechanism comprises a processing box, and a pipeline is fixedly connected in the processing box. And a nozzle is arranged in the pipeline in a communicating manner. According to the pesticide spraying device, pesticide enters a pipeline and is sprayed into soil through a nozzle through pressurization, at the moment, a motor drives a stirring rod to rotate, meanwhile, the stirring rod is fixed to a gear, the gear is meshed with a first gear, the first gear rotates on the outer wall of a fixing rod, and the fixing rod ensures that the first gear and the second gear are accurately meshed; and meanwhile, two stirring rods, two gears and two first gears are arranged, and the two stirring rods conduct stirring inwards at the same time through the first gears, so that the pesticide and the soil are fully fused, the soil remediation time is shortened, and the elimination efficiency of harmful substances is improved.

The utility model discloses a novel brake camshaft structure, which relates to the technical field of camshafts and comprises a cam part, an axial positioning part fixedly arranged at the lower end of the cam part and a rocker arm joint part fixedly arranged on the lower side of the axial positioning part. The torque-increasing meshing part is arranged between the axial positioning part and the rocker arm joint part, so that the connection strength and the torsion strength between the cam shaft and the rocker arm are enhanced, the cam shaft and the rocker arm are not prone to deformation or damage during high-load use, and the braking effect and the safety of the brake are effectively improved; the torque-increasing meshing part is in meshing connection with the tooth groove part at the inner end of the rocker arm, and the clamping tooth part of the torque-increasing meshing part is matched with the tooth groove part of the rocker arm for use, so that friction and abrasion are reduced, the structural stability is improved, the service life of the cam shaft and the rocker arm is prolonged, the replacement and maintenance frequency is reduced, the use cost is reduced, and the service life of the cam shaft is prolonged. And the problems of loosening, clamping stagnation and the like are avoided.

This invention discloses a transmission gear shaft for a planting tray conveying system, belonging to the technical field of transportation equipment. It aims to solve the problems of noise generated by gear disk displacement under force and gear disk corrosion caused by condensation. The transmission gear shaft includes a central shaft, a first spacer, a second spacer, a gear disk, and a hollow shaft. The first and second spacers are fixed to the central shaft, which can limit the displacement of the gear disk under force and reduce noise. The first spacer, the second spacer, and the through holes on the gear disk are coaxial. The clearance fit between the hollow shaft and the central shaft forms an air duct. After the air duct is connected to a fan, it can accelerate the evaporation of condensation on the surface of the central shaft, prevent corrosion at the connection between the gear disk and the central shaft, extend the service life of components, and ensure the stable operation of the planting tray conveying system.

The utility model provides a kind of high-precision robot joint gear transmission structure, it is related to planetary gear technical field, comprising: three planetary gear sets, each planetary gear set includes two gears connected and coaxially arranged, two gears are respectively gear located above as first planetary gear and gear located below as second planetary gear, the first planetary gear and the second planetary gear are all unevenly distributed gear number gear, first flat side and second flat side are respectively provided on the second planetary gear and the first planetary gear;Planet carrier.The utility model has beneficial effects: by adopting three planetary gear sets and the first planetary gear and the second planetary gear are all unevenly distributed gear number gear, and first flat side and second flat side are respectively set on it, cooperate with the mark on planet carrier, the accurate tooth and meshing of planetary gear set are realized, effectively improve transmission accuracy, reduce error accumulation, ensure the high-precision control of robot joint movement.

The invention relates to an LCD terminal cleaning machine which comprises a bottom plate, a control box, guide rails, a first tray, a second tray, a mounting plate, a placing shaft, a guide rod, a sliding block and the like, the control box is connected to the top of the bottom plate, the guide rails are symmetrically connected to the bottom plate, and the first tray and the second tray are both slidably connected to the guide rails; the mounting plate is slidably connected to the tops of the first tray and the second tray, the two placement shafts are symmetrically and rotatably connected to the mounting plate, the guide rods are connected to the side faces of the mounting plate, and the sliding blocks are symmetrically and slidably connected to the guide rods. According to the cleaning device, the first tray and the second tray are controlled to move, the roll changing work of the dust-free cloth can be automatically completed within the time interval when the manipulator takes two LCDs, and the replacement of the dust-free cloth can be completed in the cleaning process of the LCD terminals, so that the whole cleaning device does not need to be shut down, and the cleaning efficiency is improved. The cleaning work of the LCD terminal can be continuously completed, and the production efficiency is improved.

The utility model discloses a crescent-shaped chain which comprises a plurality of inner chain links, a plurality of outer chain pieces and pin shafts, the inner chain links are sequentially connected end to end through the outer chain pieces, the inner chain links and the outer chain pieces are rotationally connected through the pin shafts, each inner chain link comprises two inner chain pieces, and the inner chain pieces and the outer chain pieces are of crescent-shaped structures. The two ends of the hinge parts are connected with the pin shafts, the waist part is arranged between the two hinge parts and plays a role in connection, two through holes for the pin shafts to be inserted are formed in each hinge part, one side of each waist part is concavely arranged to form an arc-shaped structure, and the other side of each waist part is arranged to be of a linear structure. And the connecting parts of the hinging part and the arc-shaped structure and the linear structure are arranged in an arc-shaped transition manner. Due to the crescent structures of the inner chain pieces and the outer chain pieces, the friction resistance of the chain in the using process can be reduced, the noise of the chain can be reduced, the risk that the chain is abraded and broken can be reduced, the performance and durability of the chain are improved, and the requirement of a high-speed electric power-assisted bicycle can be met.

The bolt screwing robot comprises a machine body, a machine frame in transmission connection to the surface of the machine body and a screwing structure arranged on the surface of the machine frame, the machine frame can drive the screwing structure to vertically move on the surface of the machine body, and transmission structures are arranged on the surfaces of the machine body and the machine frame; the transmission structure can be in transmission connection with the screwing structure through the linkage structure, the transmission structure can drive the screwing structure to rotate and machine through the linkage structure, the screwing structure comprises a transmission rod movably connected to the interior of the rack through a bearing, and a threaded sleeve is installed at the bottom end of the transmission rod. By integrating the machine body, the machine frame and the screwing structure, automatic screwing of bolts is achieved, the production efficiency is remarkably improved, manual intervention is reduced, the labor intensity is reduced, the screwing accuracy and consistency are improved, meanwhile, the transmission structure on the surface of the machine body and the surface of the machine frame and the linkage between the machine body and the screwing structure are achieved, and the production efficiency is improved. And the smoothness and high efficiency of the screwing process are ensured.

The invention discloses a one-degree one-minute full-automatic right-angle milling head and belongs to the field of machine tools, the one-degree one-minute full-automatic right-angle milling head comprises an angle encoder, an upper fluted disc assembly and a lower fluted disc assembly, the upper fluted disc assembly comprises a connecting disc, an upper fluted disc, an upper mounting seat and a male socket, the upper fluted disc and the upper mounting seat are both mounted on the connecting disc, and the male socket is mounted on the upper mounting seat; the lower fluted disc assembly comprises a lower fluted disc, a lower mounting base, a female socket and an elastic piece, the angle encoder comprises a reading head, the reading head is arranged on one side of the lower fluted disc, the lower fluted disc is located below the upper fluted disc and meshed with the upper fluted disc, the female socket is mounted on the lower mounting base, the elastic piece is arranged on the lower mounting base, and the elastic piece stretches out and draws back to enable the male socket to be connected with the female socket. The female socket is electrically connected with the reading head. The actual position of the right-angle milling head in the indexing process is fed back through the angle encoder, it is guaranteed that the upper fluted disc and the lower fluted disc can be accurately meshed, and therefore one-degree-one-minute is achieved. The invention further relates to a machine tool comprising the one-degree one-minute full-automatic right-angle milling head.