3715 results about "Mechanical drive" patented technology

The invention discloses a mechanical transmission system fault trend prediction system based on dynamic feature recognition, and relates to the technical field of mechanical state monitoring. Comprising the following steps: synchronously acquiring a load torque signal and a lubrication state parameter signal of a transmission system and vibration acceleration signals of a plurality of measuring points through a signal acquisition module; the working condition decoupling characteristic generation module carries out time-frequency analysis on the vibration signal, calls a pre-stored load disturbance spectrum template according to a load torque signal to carry out adaptive differential processing so as to eliminate load fluctuation interference, and calls a correction rule set according to a lubrication state parameter signal to carry out form recombination on the signal so as to compensate the lubrication state influence; and finally outputting a working condition decoupling feature representing the health state of the mechanical part. And the trend prediction module calculates and obtains fault development trend and residual life estimation data through a pre-trained fault prediction model. According to the method, the dynamic characteristics representing the essential degradation of the part are effectively extracted, and the accuracy and reliability of fault trend prediction of the mechanical transmission system are improved.

To achieve the above objective, the present invention provides the following technical solution: a handheld magnifier with an adjustable focal length, comprising an upper shell and a lower shell. The upper shell is equipped with a protection plate, a display screen, and a silicone key, while the lower shell contains a PVC film. A battery, a keyboard, a main board, a wave wheel, a sector gear, a lens assembly, and a light board are installed between the upper and lower shells. The lens assembly consists of an FPC cable, a chip, a guide fixing seat, a roller, a lens holder, a lens cover, and a glass sheet. Manual precise focusing is achieved through a mechanical transmission structure consisting of a wave wheel, sector gear, and spiral groove. This structure provides a wide adjustable range of clarity to accommodate observation needs at different distances.

The invention discloses a new energy automobile driving motor safety management system and method based on intelligent control, particularly relates to the technical field of driving motors, and provides an important basis for evaluating mechanical interaction between motors by obtaining mechanical transmission coupling information to calculate a mechanical transmission coupling coefficient; electrical coupling coefficients are calculated by acquiring electrical coupling information among the motors in the multi-motor driving system, transmission and influence of electrical signals among the motors are further revealed, and abnormity in an electrical system is recognized; control coupling information among motors in a multi-motor driving system is obtained to calculate a control coupling coefficient to quantify the coupling degree of motor control signals, cooperative control behaviors among the motors are determined, each motor provides independent fault information, and a mechanical transmission coupling coefficient, an electrical coupling coefficient and the control coupling coefficient are synthesized to realize cooperative control of the motors. A single-point cooperative fault discrimination model is constructed, and a single-point motor fault and a system cooperative fault can be effectively distinguished.

The invention relates to the technical field of precision automatic lathe machining, in particular to a precision automatic lathe workpiece machining method which comprises the steps that a double-spindle synchronous machining mode is adopted to achieve seamless connection of rough machining and finish machining, clamping errors are reduced, a servo motor drives a tool shaft to achieve nanoscale feeding compensation, and traditional mechanical transmission precision limitation is broken through. The integrated infrared temperature measurement module monitors the temperature of a cutting area in real time and dynamically adjusts the spraying angle and flow of cooling liquid based on machining parameters, machining thermal deformation is effectively controlled, and a dynamic weight self-adaptive interpolation model is established to balance machining efficiency and contour precision. Main shaft load, tool vibration and workpiece deformation data are collected in real time through a multi-sensor data fusion system, axial following errors are corrected through an iterative learning control algorithm, contour consistency is improved, surface defects are eliminated through a nanoscale vibration compensation mechanism, machining efficiency is improved, and machining precision is improved.

The invention discloses a mahjong machine and a slope tile playing device thereof, which are characterized in that a planet carrier and a planet wheel which rotate actively rotate around a fixed sun wheel, and a tile feeding push rod is driven by the planet carrier, the planet wheel and a turntable to rotate to push and feed tiles; a mahjong lifting swing arm is driven by a planet carrier, a swing rod, a rack and a mahjong lifting gear to swing to drive a mahjong lifting supporting plate to lift mahjong; two transmission paths of a planet carrier and a planet wheel are ingeniously utilized, so that a mahjong feeding push head does not push mahjong tiles when a mahjong tile lifting supporting plate is controlled to descend only through mechanical transmission cooperation by a motor, and the mahjong tile lifting supporting plate does not move when the mahjong tile feeding push head pushes the mahjong tiles; when the tile lifting supporting plate is lifted, the tile feeding pushing head does not push tiles, after the tile lifting supporting plate is lifted, the tile feeding pushing head moves out of the tile storage groove, the lifting action of the tile lifting supporting plate and the tile pushing action of the tile feeding pushing head do not interfere with each other, the structure is simple and reasonable, action connection is good, operation is stable and reliable, the mahjong machine is coherent and smooth in action, noise is low, and the user experience is good.

The invention provides a multi-degree-of-freedom coupling execution mechanism for deflection of a water tunnel test model. The multi-degree-of-freedom coupling execution mechanism comprises a shell, an attack angle motion module, a yaw motion module and a rolling motion module, wherein the attack angle motion module, the yaw motion module and the rolling motion module are arranged in the shell; according to the mechanism, in the aspect of attack angle motion, a pitching motor drives a pitching lead screw through a mechanical transmission assembly, and control over the attack angle of a model balance component can be achieved by combining a translation sliding block and a pitching sliding block which slide in a matched mode in the height direction. The yaw movement module drives a yaw lead screw through a yaw motor, a pitching arc-shaped guide rail is stably pushed to move along the yaw arc-shaped guide rail through a yaw sliding block, and accurate adjustment of the yaw angle is achieved. The rolling motion module effectively realizes the rolling action of the model balance component through a rolling motor; the pitching, yawing and rolling motion modules can be independently controlled and can also be controlled in a coupling mode, the unique design greatly improves the flexibility and adaptability of mechanism motion control, and various complex working condition requirements can be accurately met.

The invention discloses intelligent detection equipment for internal defects of a titanium alloy cartridge receiver, and relates to the technical field of nondestructive testing, the intelligent detection equipment comprises a supporting base, a self-adaptive electromagnetic active vibration isolation assembly and a magnetic suspension pneumatic fine adjustment assembly, and by means of the synergistic effect of two core assemblies, namely the self-adaptive electromagnetic active vibration isolation assembly and the magnetic suspension pneumatic fine adjustment assembly, the internal defects of the titanium alloy cartridge receiver are detected. Ultra-stable vibration isolation and nanoscale precise positioning of the industrial CT three-coordinate measuring machine in the precise scanning process are achieved, and different from a traditional lag and friction scheme depending on passive air floating vibration isolation and mechanical transmission positioning, high-precision scanning operation is more stable and more precise, and the precision of the industrial CT three-coordinate measuring machine is improved. Firstly, a magnetic suspension friction-free support of the magnetic suspension pneumatic fine adjustment assembly is matched with a pneumatic nozzle matrix in a zero-contact and zero-abrasion mode, the bottleneck that a traditional lead screw guide rail mechanism is large in positioning error due to friction stick-slip and idle stroke is broken through, stable support is achieved through non-contact suspension, and accurate micro-power output is achieved through pneumatic counter-acting force; and the full-scale range from macroscopic positioning to nanoscale fine adjustment is ensured.

The invention belongs to the technical field of battery detection, and particularly relates to a new energy power battery short circuit test cabinet, which comprises an explosion-proof cabinet, the explosion-proof cabinet is provided with a transmission cabin and a test cabin, and a transmission system, a termination system and a power-on system are arranged in the transmission cabin. In order to avoid deflagration of a circuit in a test process and reduce damage to detection equipment, an impact transmission system and a termination system are arranged, a mechanical transmission mode is utilized, short-circuit wiring of a battery is immediately interrupted when the battery explodes, impact force generated by explosion is directly converted into mechanical action, a signal conversion process is not needed, and the detection efficiency is improved. Compared with the prior art, the device has the advantages of higher response speed, higher extreme environment resistance and lower manufacturing cost, and can effectively reduce the damage of explosive shock waves to the test cabin in the test process.

The invention provides an EMB sensorless clamping force estimation method based on multi-signal fusion and displacement compensation, and belongs to the technical field of vehicle braking, and the method comprises the steps: carrying out the modeling of an EMB system mechanical model; on the basis of the EMB system mechanical model established in the step S110, executing clamping force estimation; on the basis of the EMB system mechanical model established in the step S110, current-position information fusion is adopted to execute contact point detection; on the basis of the contact point detection result in the step S130, performing contact point detection position error compensation; on the basis of S140 position error compensation, a return stroke backlash compensation mechanism is introduced, the mechanical transmission gap error is further corrected, and the clamping force estimation precision is improved; and executing clamping force control scheme design based on the results of the steps. According to the method, a good clamping force estimation effect can be achieved, the system reliability is remarkably improved while the cost is reduced, and the method has good engineering application value.

The invention relates to the technical field of mechanical transmission, in particular to a reinforcement learning compensation method and system for gear multi-body dynamics constraint, and the method comprises the steps: building a multi-body dynamics digital twinborn model containing bearing rigidity and gear meshing force; constructing an adaptive reward function based on nonlinear manifold mapping, and dividing a system state space into a small deviation domain and a large deviation domain according to an angle deviation threshold value; training the multi-body dynamic model based on a depth deterministic strategy gradient algorithm to obtain a compensation strategy; the obtained compensation strategy is applied to a multi-body dynamic model, and an optimal compensation signal is obtained through self-adaptive fusion of static compensation and dynamic compensation, so that the training efficiency of a reinforcement learning algorithm in a complex nonlinear system is improved, the adaptability of the system to working condition changes is enhanced, the vibration of a gear system is remarkably reduced, and the reliability of the system is improved. The angle control precision is improved, and the service life of equipment is prolonged.

The invention discloses a gear coding error dynamic compensation method based on multi-sensor phase difference fusion, which belongs to the field of mechanical transmission, and comprises the following steps of: cooperatively acquiring gear phase information through a Hall sensor and a photoelectric sensor, and calculating phase difference data; constructing a rotating speed, temperature and load three-dimensional topology error space; training an error prediction model based on a seven-layer long-short-term memory network; a self-adaptive compensation strategy is executed, and when the error is larger than 0.1 degree, the driving rotating speed is increased; implementing closed-loop feedback control, and triggering model self-calibration when a difference value between an actual error and a predicted error is greater than 0.16 degree; a transfer learning mechanism is introduced, the bottom-layer feature extraction capability is reserved, and only upper-layer parameters are updated; the system state monitoring and collaborative optimization are realized, the working mode and resource allocation are dynamically adjusted, the precision and stability of the gear transmission system are remarkably improved, and the method has wide engineering application value.

The invention belongs to the technical field of mechanical transmission, and discloses a conductor ring and magnetic resistance array composite permanent magnet thrust bearing and a damping force calculation method. The conductor ring and magnetic resistance array combined type permanent magnet thrust bearing realizes the bearing of non-contact magnetic thrust through the combination of the eddy current ring and the magnetic group array. When thrust from a propeller at the stern end of a propulsion shafting acts, the rotor magnetic group array axially moves, axial traction force is generated between the rotor magnetic group array and the stator magnetic resistance array to counteract the thrust action from the axial direction, meanwhile, the magnetic group array cuts the vortex ring, induction damping is generated on the surface of the vortex ring, damping force is formed, and the vortex ring is driven to rotate. And therefore, the longitudinal vibration during transmission of the propulsion shafting is reduced, and the propulsion shafting system is more silent and stable during operation. In addition, the damping force calculation method does not need complex three-dimensional structure modeling and grid division, is simple in solution, high in universality and short in calculation time consumption, and has high engineering application practical value.

The invention provides a power dividing type hybrid power tractor driving system. The power dividing type hybrid power tractor driving system comprises a power source and a power dividing type multi-mode switching mechanical transmission system, wherein the power source is composed of an engine, a P3 motor and a PS motor. The invention further provides a control method of the power split type hybrid power tractor driving system. Through the arrangement of the P3 motor, the PS motor, the power coupling mechanism, the clutch and the brake, energy distribution and efficient work of the engine are achieved. The device is compact in structure and good in dynamic property and economical efficiency, can realize multi-mode driving operation according to complex working conditions of the tractor, and has the advantages of interval stepless speed change, accurate control and the like.

The invention provides clamping and lifting equipment, and relates to the technical field of mechanical transmission equipment, the clamping and lifting equipment comprises a translation device, a lifting mechanism and a clamping mechanism, and the lifting mechanism is fixedly connected with the translation device; the clamping mechanism is movably connected with the lifting mechanism; the clamping mechanism comprises a supporting structure, a turnover mechanism, a clamping jaw assembly and a clamping air cylinder, the supporting structure is movably connected with the lifting mechanism, the turnover mechanism is arranged on the supporting structure and fixedly connected with the supporting structure, the clamping jaw assembly is fixedly connected with the turnover mechanism, and the clamping air cylinder is arranged on the clamping jaw assembly. The clamping jaw assembly is fixedly connected with the clamping air cylinder, and an adjusting structure is fixedly connected to the clamping jaw assembly. According to the clamping and lifting equipment, the effect of clamping stability of spherical objects is effectively enhanced, and powerful support is provided for the fields of industrial automation, logistics transportation and the like.

A truck bed mounted carrier system includes a frame assembly installable in a truck bed with lateral supports and outer main supports, inner supports that slide within the outer main supports, a center outer support, and a second inner support that slides within the center outer support. A carrier frame coupled to the frame assembly extends from and retracts into the truck bed, supported by radius supports that provide structural integrity when extended. The system features a pulley assist mechanism with gas springs that creates a counterbalance force, a mechanical drive assembly with sprocket and roller chain for movement control, and deployable transport stands for ground support during loading operations. Adjustable bed rail struts with locking mechanisms secure the system to the truck bed without permanent modification. Low-friction materials and strategically positioned slides ensure smooth operation throughout the extension and retraction cycles.

The present invention discloses a robotic arm of an industrial robot, belonging to the field of mechanical transmission. The arm includes: a four-axis housing, a wrist housing, and a forearm housing composed of a rear-end forearm housing, an intermediate forearm housing, and a front-end forearm housing. A four-axis reduction mechanism is arranged inside the four-axis housing, a five-axis reduction mechanism, a six-axis first-stage reduction mechanism, and a six-axis second-stage reduction mechanism are arranged inside the forearm housing, and a six-axis third-stage reduction mechanism is arranged inside the wrist housing; the four-axis, five-axis, and six-axis reduction mechanisms all adopt a combined transmission mode of hypoid gears and involute gears, having the advantages of stable operation and strong impact resistance. While ensuring a reasonable layout, the entire arm system takes into account the overall lightweight design. In addition, the connection methods of the external interfaces with each joint and the motor interfaces adopt a flexible design, and the interfaces can be flexibly converted, with stronger applicability.

The invention aims to provide a gas-driven photovoltaic module laminating machine aiming at the technical problem that a laminating machine in the prior art is non-uniform in lamination of photovoltaic modules, the gas-driven photovoltaic module laminating machine comprises an upper box, a lower box and a laminated board, the upper box comprises an upper box body, the lower box comprises a laminating workbench, and the laminated board is arranged on the laminating workbench. The upper box body is driven by the upper box lifting driving device to ascend and descend so as to be close to or far away from the laminating worktable, the pneumatic laminating machine adopting the structure has the advantages that the uniformity of the pressure on the surface of a laminated plate is good, and the condition of relatively large point-shaped pressure cannot be generated; the rigid laminated board driving device adopts a gas driving structure, is positioned on the inner side of the upper box body and is not provided with a mechanical driving device, so that the vertical space can be saved, and the technical problem that a single-layer laminating machine in a multi-layer laminating machine in the prior art occupies a large space due to a driving device can be solved.

The utility model discloses a novel springboard angle detection device, which comprises a springboard connecting plate, a large gear ring and a fixedly arranged encoder body, the rotation axis of the large gear ring and the rotation axis of the springboard connecting plate are coaxially arranged, and the inner side of the large gear ring is in meshed connection with a pinion. The small gear is connected with a detection shaft of the encoder body and drives the detection shaft to rotate, and the encoder obtains the rotation angle of the small gear and converts the rotation angle to obtain the overturning angle of the springboard. The novel springboard angle detection device is installed between the springboard connecting plate and the speed reducer, is small in size, improves the space utilization rate of the springboard, and does not interfere with a channel above the springboard. A mechanical transmission mode is adopted, the structure is simple and stable, machining is easy and convenient, bolt connection is adopted, replacement is convenient, and data are accurate. By means of the swing arm structure, angle rotation measurement can be kept all the time when relative axial or radial displacement occurs between the large gear ring and the encoder body, and the phenomenon that the large gear ring is separated from the small gear during relative movement is avoided.

The utility model discloses a silent synchronous pulley, which belongs to the technical field of mechanical transmission structures, and comprises a pulley main body, uniformly distributed gear teeth are arranged on the pulley main body, flange structures are arranged at two axial ends of the pulley main body, and a first bump is arranged on one side, facing the gear teeth, of each flange. According to the scheme, the flange structures are arranged at the two axial ends of the belt wheel body and used for directly abutting against the two side edges of the synchronous belt, the flanges are fixedly connected with the belt wheel body, the first protruding blocks face the middle position of the belt wheel body and make contact with the synchronous belt, and the protruding structures of the first protruding blocks enable the contact area of the first protruding blocks and the side edges of the synchronous belt to be reduced; in other words, the contact area of the synchronous belt and the flanges is reduced, so that when the synchronous belt and the belt wheel body rotate in a matched mode, the friction force between the synchronous belt and the flanges is reduced, and meanwhile the noise reduction effect is achieved; in addition, due to the fact that friction force is reduced, heat generated by the synchronous belt is reduced, and the service life of the synchronous belt is prolonged.

The invention discloses a control method, device and equipment of a hydrogen engine and a storage medium. The control method comprises the steps that the engine rotating speed and the engine torque are obtained; under the transient working condition of the engine, the operation area of the engine is determined according to the engine rotating speed and the engine torque; and controlling the driving motor, the mechanical transmission assembly or the exhaust gas turbine according to the operation area. According to the technical scheme, the engine rotating speed and the engine torque are obtained in real time, the operation area of the engine is judged, different supercharging modes are determined through the waste gas turbine, the driving motor and the mechanical transmission assembly according to the operation area of the hydrogen engine, the problem that the transient dynamic performance is poor is effectively solved, and the application range is wide. The transient dynamic performance of the hydrogen internal combustion engine is improved, and efficient cleaning application is achieved.

The utility model relates to a periodic modification structure of a reciprocating mechanical transmission gear, which comprises a transmission gear, a non-meshing surface of the transmission gear is modified to form a meshing clearance, and the meshing surface is gapless. The gear backlash on the meshing side of the gear is eliminated to prevent the gear from being knocked in the return stroke due to the alternate change of positive and negative torque, the non-meshing side is shaped to form the backlash to prevent the interference seizure phenomenon in the gear transmission process, and the gear transmission can achieve the states of more stable operation and lower vibration noise after being changed. The transmission gear is especially suitable for transmission gears of piston connecting rod reciprocating motion machines such as Stirling engines and diesel engines.

The invention relates to the technical field of gas analysis and detection instruments, and discloses a gas analysis and detection instrument which comprises a gas analysis and detection instrument body, a transverse adjusting piece is arranged above the gas analysis and detection instrument body, a transverse and longitudinal connecting piece is mounted on the transverse adjusting piece, and a longitudinal adjusting piece is connected to the bottom of the transverse and longitudinal connecting piece; wherein the gas analysis detector main body is in sliding connection with the front surface of the longitudinal adjusting piece, multi-dimensional accurate positioning of environmental gas sampling is realized, and the core advantage is reflected on a transverse adjusting system: a mechanical transmission mode of driving a threaded rotating rod by a servo motor is adopted, and dual guidance of a sliding rail and a limiting sliding block is matched, so that the positioning accuracy is improved; and the detector main body can stably move along the horizontal direction. Due to the unique combined design of the buffering device and the adjustable limiting mechanism, flexible buffering protection of the moving terminal point is achieved, and a user is allowed to customize the stroke range according to actual requirements.

The invention belongs to the technical field of mechanical transmission systems, and particularly discloses a method and a system for calculating, regulating and controlling the vibration isolation rate of a rigidity-variable magnetic torsional vibration buffer, and the method comprises the following steps: obtaining a real-time working condition, modeling a single permanent magnet magnetic field by adopting an equivalent magnetic charge method, and calculating the vibration isolation rate of the rigidity-variable magnetic torsional vibration buffer; a magnetic block negative stiffness model and a spring torsion sheet positive stiffness model of the annular Halbach array are constructed, the total coupling stiffness is calculated, the vibration isolation effect of the magnetic torsional vibration buffer is solved, vibration suppression effects and resonance interval distribution under different working conditions are obtained, and based on the vibration isolation effect of the magnetic torsional vibration buffer, the vibration suppression effect of the magnetic torsional vibration buffer is calculated. The gap adjustable mechanism adjusts the rigidity of the spring torsion sheet and the gap of the magnetic ring in real time. By the adoption of the technical scheme, the gap between the inner magnetic ring and the outer magnetic ring is flexibly set according to multi-working-condition requirements, so that applicability and reliability are improved, and low-frequency torsional vibration is effectively restrained while efficient torque transmission is ensured.

The invention discloses an aircraft active side lever force feedback control method based on feedback linearization. The method is suitable for pitch axial force feedback control and roll axial force feedback control of an aircraft active side lever. The method comprises the following steps: establishing a kinetic equation of a mechanical transmission system and a pitch axis motor or a roll axis motor, and establishing a state-space equation of an active side lever system according to the equation; designing a linear expansion observer, and estimating the thrust applied to the active side lever by the driver based on the linear expansion observer; and designing a feedback linearization control method, deducing a control law according to a state-space equation of the active side lever system, and introducing the estimated thrust applied to the active side lever by the driver into the control law to realize real-time compensation of external interference. Under the condition that the thrust of the driver cannot be measured, the thrust of the driver is obtained through the linear expansion observer, the thrust of the driver is compensated by designing the control law, and therefore the dynamic performance and the steady-state performance of the servo system are improved.

The invention relates to the field of mechanical transmission control, and discloses a self-adaptive torsion optimization method and system based on a stress model. The method mainly comprises the following steps: acquiring strain, temperature and vibration data of a transmission system in real time through a distributed sensor network; constructing a three-dimensional dynamic stress field model, and marking a high-risk area; dynamically adjusting a safety threshold based on material fatigue characteristics, and generating a torque control curve by adopting an optimization algorithm; and eliminating response delay through a pre-compensation mechanism. The system comprises an edge calculation unit, a millisecond-level actuator and a grading protection module. According to the method, the tooth root stress concentration is successfully inhibited by 35% in the wind power gear box, the impact load is reduced by 52% in the industrial robot joint, the equipment reliability is remarkably improved, and the service life is remarkably prolonged. The device is suitable for transmission systems of wind power, electric automobiles, industrial robots and the like.

The invention relates to the technical field of fireproof equipment, in particular to an electrically-driven translation type heavy fireproof door which comprises a door body, a driving mechanism and a translation mechanism. The translation mechanism comprises a translation base and a nut sleeve, a mounting hole and a guide hole which penetrate through the two sides of the translation base are formed in the translation base, the nut sleeve and the lead screw form a thread transmission pair, the nut sleeve is rotatably mounted in the mounting hole, the guide rod is slidably connected in the guide hole, and a synchronous assembly is arranged in the translation base; when the door body moves to the tail end of the stroke, the circumferential constraint of the synchronous assembly on the nut sleeve is automatically relieved, so that the nut sleeve can freely rotate relative to the translation base. Therefore, the motor and the transmission system do not need to overcome the huge inertia of the door body to achieve forced stopping, the instantaneous load and locked-rotor risk of the motor are remarkably reduced, and meanwhile the impact stress borne by a mechanical transmission part at the terminal is greatly relieved.

The invention belongs to the technical field of compression resistance detection, and particularly relates to a plastic product compression resistance detection device which comprises a detection table and a fixing frame fixedly connected to the upper end of the detection table, a supporting plate is arranged in the middle of the upper end face of the detection table, a plastic pipe is placed at the upper end of the supporting plate, and a cover plate is installed on the upper end face of the fixing frame. A transmission assembly is arranged at the lower end of the cover plate; the device solves the problems that when a hydraulic cylinder is used for driving a pressing plate to carry out compression resistance detection on a plastic pipe, fine and accurate movement adjustment cannot be realized, and the output pressure of the hydraulic cylinder can only be limited through a preset pressure value, so that when the compression resistance detection is carried out on the plastic pipe, compression resistance data of the plastic pipe can be obtained only by applying pressure to the plastic pipe for many times; the problems that a hydraulic system is more complex than a mechanical transmission system, the difficulty of maintenance and troubleshooting is high, the cost is high, if leakage occurs, the performance of a hydraulic cylinder is reduced, and therefore the detection result of the plastic pipe is affected are solved.

The invention discloses a maintenance platform and new energy automobile maintenance equipment and method, and belongs to the technical field of new energy automobile maintenance. Aiming at the problems that visual angle blind areas exist in existing detection, manual errors are large, bolts are prone to missing, and a cover plate is difficult to disassemble, the equipment is provided with a clamping structure driven by a two-way lead screw through a maintenance platform body, and two sets of liftable moving plates are matched with L-shaped clamping plates to achieve multidirectional stable clamping of a battery pack; according to the double-high-definition-camera mobile detection mechanism, a rack-gear-worm transmission assembly triggered by the end of a mobile table is used for driving a battery pack to rotate intermittently in a one-way mode, and a secondary driving mechanism is formed by a hydraulic cylinder and a trapezoidal plate in a matched mode. Maintenance equipment is integrated with a magnetic type bolt collecting device, and an adsorption seat moves to drive a vacuum suction cup to automatically lift a cover plate. Through mechanical transmission and hydraulic linkage design, full-process automatic improvement of battery pack detection, bolt management and cover plate disassembly and assembly is structurally realized, and the safety and efficiency of new energy automobile battery maintenance operation are effectively improved.

The utility model relates to the technical field of engineering machinery transmission parts, in particular to an engineering machinery drive axle transmission system convenient for heat dissipation and lubrication, which comprises a driving spiral bevel gear and a large spiral bevel gear which are meshed with each other, a main spiral bearing and an oil seal are arranged between the main transmission shell and the driving spiral bevel gear; an oil groove group for lubricating the main spiral bearing and the oil seal is formed in the main transmission shell; the oil groove set comprises a first lubricating oil groove and a second lubricating oil groove, the first lubricating oil groove is communicated to the main spiral bearing, the second lubricating oil groove is communicated between the oil seal and the main spiral bearing, and the first lubricating oil groove and the second lubricating oil groove are each of a spiral oil groove structure. According to the scheme of the utility model, the problem that the bearing and the oil seal are damaged due to insufficient lubrication and heat dissipation in a high-speed operation environment caused by poor lubrication of the bearing can be solved.

The utility model relates to an automatic RGV (Rail Guided Vehicle) forklift, which effectively solves the problem of using the RGV forklift in a workshop. Comprising a base, a plurality of wheels are arranged at the bottom of the base, so that the base advances on a track, a first sliding rail perpendicular to the track direction is arranged above the base, a frame body is arranged on the first sliding rail in a sliding mode, a vertical second sliding rail is arranged above the frame body, a forklift frame is arranged on the second sliding rail in a sliding mode, and a drag chain power supply device is arranged below the base; the device is simple in structure and convenient to use, can be applied to a heat treatment workshop, realizes automatic operation, can adapt to various working conditions, can continuously and normally work in high and low temperature environments, integrally adopts a simple mechanical transmission structure, and is convenient to repair and maintain.