1194 results about "Heavy load" patented technology

The invention relates to the technical field of bridge bearing capacity evaluation, and discloses an existing continuous beam bridge bearing capacity comprehensive evaluation method which comprises the steps that multi-source data are collected to construct a three-dimensional damage voxel field, and an initial finite element model is generated; simulating a heavy load identification control section, and designing an equivalent static load test scheme according to an equivalent internal force principle; executing a field static load test, collecting elastic response data and constructing an actual measurement response vector; calculating errors and iteratively adjusting parameters in a voxel field constraint range to finish model correction; and generating an operation space-time security envelope based on the correction model, and comparing the state in real time to output a control instruction. A three-dimensional damage voxel field is constructed, voxels are used as a normalized data carrier, discrete apparent and internal damage data such as three-dimensional laser scanning point cloud, ultrasonic velocity and rebound strength are mapped into a continuously distributed space field, and the space variability of the rigidity of an existing bridge material can be represented in a refined mode. And the accuracy of describing the physical current situation of the structure by the initial finite element model is improved.

The invention discloses a magnetic adjustment water lubricated bearing and a bearing support control method, which are applied to a large ship propulsion shaft system, and comprise a bearing shell, an electromagnetic excitation module, a batten, a sensor module, a power supply driving module and a control system, a plurality of mounting grooves are formed in the bearing shell; an electromagnetic excitation module is arranged in each mounting groove and generates a variable magnetic field with set intensity; a plurality of magnetically soft alloy segments are arranged on the batten, the magnetically soft alloy segments correspond to the electromagnetic excitation modules one to one, and a magnetic field acts on the magnetically soft alloy segments to generate electromagnetic attraction force; the control system independently controls the excitation current of each electromagnetic excitation module according to data of the sensor module, and generates magnetic fields with different intensities to act on soft magnetic alloy areas at corresponding positions, so that precise control of local supporting rigidity and lubricating gaps of the water-lubricated bearing is realized, unbalance loading and abnormal wear risks are effectively reduced, and the service life of the water-lubricated bearing is prolonged. And the adaptive capacity of the bearing under low-speed heavy load and dynamic disturbance is improved.

The invention relates to the field of mechanical engineering, discloses a speed reducer multi-field loss balancing method and system based on working condition self-adaptive feedback, and aims to solve the problems of local loss concentration, intensified temperature rise and low energy efficiency caused by neglect of a multi-physical field coupling relation in the prior art. The method comprises the following steps: acquiring mechanical, thermal, fluid and electromagnetic parameters in operation of the speed reducer through a distributed sensor, and generating a standardized working condition state vector; and inputting into a mechanical-thermal-fluid-electromagnetic four-field coupling model, and solving the space-time loss distribution of the key component by combining with a data driving correction term. According to the scheme, refined prediction and closed-loop regulation and control of multi-field loss distribution are achieved, the local temperature difference and energy consumption concentration are remarkably reduced, the energy efficiency of the whole machine is improved by 8%-15%, the service cycle is prolonged, and the method is suitable for a high-end equipment transmission system under the high-dynamic heavy-load working condition.

The invention relates to the technical field of balance valves, and discloses a load compensation balance valve which comprises a balance valve body and an adjusting nut, a locking cap is in threaded connection with the outer arc surface of the adjusting nut, the right side of the locking cap is in contact with a main valve element spring, and the end, away from the locking cap, of the main valve element spring is in contact with a tip cone. The function of a one-way valve of one balance valve element assembly is canceled, so that oil inlet from a V port to a C port depends on the pressure of a control oil port and generates driving pressure through a throttling network composed of a specific throttling hole, the one-way valve and a bypass throttling hole, and the other balance valve element assembly obtains the driving pressure equal to the pressure of the control oil port through an independent throttling hole. A pressure difference is formed to realize sequential opening of the two assemblies; the linkage logic inhibits the jitter of the multiple feedback system under the negative load, stabilizes the falling speed of the arm support, and avoids the risk of overturning of the whole machine caused by the dynamic load.

The invention discloses a heavy-load unmanned helicopter cooperative hoisting method based on multi-agent learning. The heavy-load unmanned helicopter cooperative hoisting method comprises the following steps: constructing a multi-agent environment state vector; establishing an intelligent body model for each unmanned helicopter; obtaining a connection structure and initialization parameters of a multi-agent strategy network by using an improved CPPN network, and initializing an agent model; performing multi-agent learning training on the initialized agent model to form a multi-agent strategy model; generating a cooperative control instruction through a preset index rule; continuously collecting the updated multi-agent environment state vector, and generating an updated cooperative control instruction; collaborative lifting process data are formed; and the improved CPPN network and the multi-agent strategy model are updated, so that stable cooperative control and adaptive optimization of the multiple unmanned helicopters in a heavy-load hoisting scene are realized.

The utility model belongs to the technical field of automatic transportation equipment, and particularly relates to an elbow arm type heavy load driving wheel device which comprises a disc bearing, a mounting base plate, a fixed arm, an elbow arm, a hinge shaft A, a hinge shaft B, a hinge shaft C, a hydraulic cylinder, a steering motor, a transmission gear, a driving wheel mounting frame and a driving wheel. According to the elbow arm type heavy load driving wheel device, the functions of bearing, lifting, driving and steering can be integrated in the same module, so that the dependence of the interior of a vehicle body on an extra steering mechanism and an extra lifting mechanism is reduced, and the compactness and the space utilization rate of the whole vehicle structure are improved. By adopting the elbow arm type lifting structure, the wheel set forms an arc-shaped motion trail in the lifting process, and compared with a traditional linear guide rail type lifting mode, loads and impact force can be more effectively dispersed, the local stress concentration phenomenon is reduced, and the occurrence probability of the problems of guide rail abrasion, clamping stagnation and the like is reduced; and the long-term stability and reliability of the structure under the heavy load working condition are improved.

The application provides a permanent magnet eddy current governor for constant torque load heavy load starting and a control method thereof, and belongs to the technical field of permanent magnet eddy current transmission speed regulation. The permanent magnet eddy current governor comprises a conductor cylinder, a magnet disc, a transmission shaft and a magnet disc axial traction mechanism. The conductor cylinder is connected with a motor input shaft, the inner wall of the conductor cylinder is fixed with two groups of annular conductor sleeves, the annular conductor sleeves are divided into starting zones and rated working zones in the axial direction, and the two groups of starting zones are separated by an idle zone. The transmission shaft passes through the rear end of the conductor cylinder, the front end is located in the conductor cylinder, and the rear end is connected with a load output shaft. The magnet disc is installed on the shaft rod of the transmission shaft located in the conductor cylinder, and the outer ring surface of the magnet disc is uniformly distributed with permanent magnets. The magnet disc axial traction mechanism is used for driving two magnet discs to synchronously approach or move away from the center of the idle zone. The application can be used for motor idle starting, heavy load controllable starting, load balancing, speed regulation operation and unloading overload protection of constant torque load.

The invention relates to the technical field of hoisting equipment, and provides a lithium battery unmanned monorail hoist which comprises a suspension track and a hoist assembly, the hoist assembly comprises a car body unit, a hoisting and conveying unit and a suspension unit, the suspension unit is arranged on the suspension track, and the suspension unit comprises a power suspension unit and a load suspension unit. The vehicle body unit is connected with the power suspension unit, the hoisting conveying unit is connected with the load suspension unit, the load suspension unit comprises a suspension beam, load frames, load wheels and guide wheels, the load frames are arranged at the two ends of the suspension beam and comprise mounting ends on the two sides of a suspension rail, and the guide wheels and the load wheels are arranged at the mounting ends. The guide wheels abut against the guide side faces of the suspension rails, and the load-carrying wheels abut against the load-bearing faces of the suspension rails vertically. The problems that in the prior art, when a traveling wheel body of a suspension type rail crane faces a heavy load, due to the fact that the contact face is incomplete, the service life of the wheel body and components of the wheel body is prolonged, and the operation stability is poor are solved.

The invention provides a method for regulating and controlling a hydrodynamic balance valve with a real-time load feedback function, and the method comprises the steps: collecting the strain, water level, gas, vibration and motor current data of the balance valve in real time, constructing and utilizing a comprehensive load balance model, and calculating the effective safety torque of the balance valve in real time at an edge calculation layer; a mechanical wear degradation factor is calculated based on the action history and the current variance of the locking mechanism, and the instantaneous instability risk probability is calculated in combination with the effective safety torque and the current locking torque; according to the instantaneous instability risk probability, an output mode of a locking mechanism is dynamically adjusted to execute a graded locking action; and periodically calculating a full-life-cycle health degree index, and automatically generating a maintenance or replacement work order when the full-life-cycle health degree index is lower than a preset threshold value. According to the invention, the conversion from passive alarm to active defense is realized, and the safety and operation and maintenance efficiency of the urban balance valve in rainstorm, heavy load and corrosion environments are obviously improved.

The invention discloses a drive-by-wire chassis device and a vehicle. A drive-by-wire chassis comprises a driving assembly and a suspension assembly, and the driving assembly comprises a driving motor; the input end of the multi-stage transmission system is connected with the output end of the driving motor, and the multi-stage transmission system is used for transmitting power to the wheel end and achieving switching of at least two speed ratios; the integrated axle housing is provided with an accommodating cavity for accommodating the multi-stage transmission system; the integrated axle housing comprises a plurality of mounting surfaces with different surfaces, and the mounting surfaces are used for being connected with different functional parts and suspension assemblies in the multi-stage transmission system correspondingly. And the running and parking integrated brake is arranged in the integrated axle housing, is integrated on a power transmission path of the multi-stage transmission system, and provides parking and running braking functions for wheels. According to the scheme, at least two speed ratios are switched through the multi-stage transmission system, and the multi-working-condition requirements of adaptive heavy-load starting, high-speed cruising and the like are met. In addition, according to the scheme of the invention, a plurality of different mounting surfaces are processed on the integrated axle housing, so that higher structural integration level and bearing reliability are realized.

The invention discloses a bus voltage adjusting method, a compressor and a computer readable storage medium, and the method comprises the steps: obtaining a compressor parameter, a temperature parameter, an operation state parameter and an electrical parameter of target equipment, and generating collection data; based on the collected data, the working state of the compressor is determined; wherein the working state comprises a light load state, a normal load state, a heavy load state or an overload state; generating a predicted bus voltage based on the working state of the compressor and the historical acquisition parameters; and the current bus voltage is determined according to the working state of the compressor and the predicted bus voltage, and voltage adjustment is carried out according to the current bus voltage. The application can dynamically match the compressor load demand to reduce the switching loss, uniformly distribute the operation loss to improve the thermal management, and predict the voltage demand in advance to actively adjust to enhance the electric control reliability.

The invention discloses a variable-position counterweight system, a control method and a vehicle, and relates to the technical field of forklifts, the variable-position counterweight system comprises an execution mechanism I, an execution mechanism II, a counterweight, a controller, a working condition switch and a state acquisition module. According to the variable counterweight system, the control method and the vehicle, the working state of the vehicle can be monitored in real time, the counterweight position can be dynamically adjusted, the gravity center of the whole vehicle can be ensured to be in a safe range no matter the vehicle is in an automatic mode for heavy load, unbalance load and other complex working conditions or a driver actively operates and adjusts the counterweight in a manual mode, the tipping risk is greatly reduced, and the safety is improved. And a solid guarantee is provided for operators and cargo safety. And in the aspect of operation performance, the gravity center distribution of the whole forklift is more reasonable due to the optimized adjustment of the counterweight position, the steering maneuverability and the operation flexibility of the forklift are improved, the operation of an operator is more labor-saving and convenient, and the operation difficulty and the labor intensity are reduced.

The invention discloses a silicon nitride ceramic formula and a preparation process of a bearing roller matched with the silicon nitride ceramic formula, belongs to the technical field of ceramic materials, and aims to solve the problem of rolling contact fatigue failure caused by insufficient fracture toughness and microscopic crack propagation of an existing silicon nitride bearing roller under high-speed and heavy-load working conditions. The core formula of the invention comprises an alpha-Si3N4 matrix, a composite rare earth additive, a nano TiC modifier and an MgO heat conduction enhancer. The fracture toughness and fatigue resistance of the material are remarkably improved through process nano powder ultrasonic pre-dispersion, closed nitrogen circulation spray granulation, two-step air pressure sintering and cryogenic-thermal tempering gradient stress treatment.

1. The name of the design product: unmanned aerial vehicle (Kangpeng heavy load type unmanned aerial vehicle system). 2. The use of the design product: the design product is used for lifting unmanned aerial vehicles. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the technical field of production equipment, and discloses a splicing type mesh belt chain which comprises chain bodies, a protection mechanism and a splicing mechanism. The protection mechanism comprises two mounting grooves and two protection shells, the two mounting grooves are formed in the two sides of the bottom of the chain body correspondingly, and the two protection shells are detachably connected to the inner side walls of the two mounting grooves correspondingly; the splicing mechanism comprises inserting grooves, limiting blocks and connecting blocks, and the two inserting grooves are formed in the two ends of the outer surface of the chain body correspondingly. According to the spliced mesh belt chain, the bottom of the chain body can be protected through cooperative arrangement of the mounting groove and the protective shell, so that when the spliced mesh belt chain is meshed with a chain wheel, direct transmission friction between the chain wheel and the chain body is avoided, damage to the chain body can be reduced during heavy load and long-term use, and the protective shell can be prevented from being damaged after regular use. Therefore, the service life of the device is prolonged.

The application discloses a kind of air bearing and equipment, air bearing includes: bearing shell, wave foil and top foil are sequentially arranged in the inside of bearing shell, wave foil includes a plurality of first foil piece, a plurality of second foil piece, a plurality of third foil piece sequentially spaced along the circumferential direction of bearing shell, the height of first foil piece, second foil piece and third foil piece in the radial direction of bearing shell sequentially decreases, the rigidity of first foil piece, second foil piece and third foil piece sequentially increases.The air bearing presented in the application forms the hierarchical structure of load bearing by first foil piece, second foil piece and third foil piece, wherein first foil piece forms first load layer and can bear light load, second foil piece forms second load layer and can bear medium load, third foil piece forms third load layer and can bear heavy load, meet the operation requirement of different load, effectively improve the damping stiffness of air bearing.

This invention belongs to the field of tire manufacturing technology and discloses a non-pneumatic tire, including a tire body. The tire body includes a rim, a support body, and a tread ring. The support body includes a first ring, a second ring, a first support leg, and a second support leg. The first ring is fixedly connected to the rim. This invention, by setting up the first ring, second ring, first support leg, and second support leg, provides a stable inner force-bearing foundation for the support body. The second ring evenly bears the force transmitted by the tread ring. The first and second support legs form an elastic frame that adaptively deforms and absorbs vibration under stress. Furthermore, the structure of the support legs and the through-holes allows for a more uniform distribution of stiffness and ground pressure, effectively reducing vehicle vibration and improving ride stability. The synergistic cooperation of multiple structures significantly enhances the elastic buffering capacity of the support body, effectively suppressing wheel deformation under heavy loads or impact loads, further enhancing driving safety.

The invention discloses a differential steering wheel system with linear braking and speed changing functions, which can solve the problem that a traditional steering wheel cannot give consideration to both high speed and heavy load through speed changing and torque changing, and can realize emergency braking of the steering wheel through linear braking when the steering wheel is at a high speed. The torque of a driving motor of the differential steering wheel is shunted through a speed change mechanism, a synchronous belt mechanism and a differential mechanism, and is transmitted to driving wheels on two sides through a speed reducer; when the differential steering wheel needs to steer, the steering motor actively controls steering, the driving wheels on the two sides automatically distribute rotating speed and torque through the differential mechanism, and stable steering is achieved. When a dangerous situation is encountered, the differential steering wheel achieves emergency braking through linear braking with adjustable braking force. Under the working conditions of high speed and light load, the speed of the differential steering wheel can be adjusted to a high-speed gear through the speed change mechanism, so that the speed range of the differential steering wheel is widened; under the working conditions of low speed and heavy load, the speed of the differential steering wheel can be adjusted to a low-speed gear through the speed change mechanism, so that the driving torque of the differential steering wheel is enhanced, and the traction capacity of the differential steering wheel is improved.

The utility model discloses a double-layer overlapping type heavy load bracket which comprises a bottom supporting plate, supporting columns are arranged at the four corners of the top face of the bottom supporting plate, the top faces of the supporting columns are connected with a top supporting plate through a stabilizing mechanism, the stabilizing mechanism comprises a first bottom plate arranged on the top faces of the supporting columns, and an L-shaped side plate is arranged on the outer side face of the first bottom plate. The device comprises an L-shaped side plate, the two side walls of the L-shaped side plate are each provided with a first penetrating opening, a chain wheel is rotationally connected to the position, located at the first penetrating opening, of the outer side face of the L-shaped side plate, the chain wheel is in threaded connection with an external thread short shaft, and the end of the external thread short shaft is fixedly connected with a sliding block. The device can support or carry more building materials, meanwhile, by means of the arrangement of an external thread short shaft, a chain wheel, a chain and the like in the stabilizing mechanism, the jacking plate can be fixed and disassembled rapidly, easily and conveniently, and the working efficiency of the device when the device loads or unloads the building materials is greatly improved.

A system is disclosed including a transporter, having a top load bearing surface or bed, and four wheeled articulating legs, that may be operated by a single user / operator, and can be lowered or raised by changing the lengths or angles of its legs while maintaining the transporter bed level. The legs that may be folded up to be loaded onto or unloaded from a truck bed, or a stationary platform, by a single operator while carrying heavy load. The loading and unloading process is assisted by various safety brakes that prevent accidental slippage of the transporter off the truck bed. The legs' angles are changed using a dual-threaded lead screw. The transporter further includes two edge detectors on the front-end and the rear-end to detect the edge of the truck bed automatically, and prepare the folding of the transporter legs for loading onto the truck bed.

The application provides a construction elevator regenerative electric energy self-adaptive feedback energy-saving system and method based on bus voltage time sequence feature working condition recognition, and belongs to the technical field of building construction energy saving. The system comprises a construction elevator without counterweight, a working condition intelligent recognition module, an energy feedback system, a construction site 380V power frequency power grid and a multiplex terminal. The construction elevator is the main body of energy recovery, the working condition intelligent recognition module collects the instantaneous value of the frequency converter direct current bus voltage of the construction elevator, the duration of the bus voltage being continuously higher than the reference threshold value, calculates the voltage change rate, identifies three working conditions of heavy load descent, no-load ascent and braking based on a weighted multi-parameter discrimination algorithm, and dynamically matches the start-stop voltage threshold value of the corresponding energy feedback system according to the working condition recognition result. The application solves the tedious problem of traditional manual measurement of threshold value, realizes dynamic threshold value matching maximum feedback efficiency, realizes efficient recovery of energy, does not modify the original system, has an extremely simple structure, has high intelligence, and is safe and reliable in operation.

The utility model discloses a driving module and a heavy load AGV, the driving module comprises a mounting base, a driving structure, a rotation structure and a guide structure, the driving structure is arranged on the mounting base, and the driving structure is suitable for being in contact with a walking surface so as to drive the mounting base to move on the walking surface; the rotary structure is arranged on the side, away from the walking face, of the mounting base and is suitable for being connected with an AGV body; the guide structure comprises a plurality of guide assemblies and bias pressure assemblies, and all the guide assemblies and the bias pressure assemblies are arranged between the rotary structure and the mounting base so as to be movably connected with the mounting base and the AGV body; under the gravity effect of the AGV body, the rotation structure is suitable for moving towards the mounting base through the guide structure, so that the bias pressure assembly has elastic force for driving the mounting base to move towards the walking face, and the driving structure is made to make contact with the walking face all the time. The driving module with the structure can ensure stable operation of the AGV.

The utility model discloses a centralized electric drive bridge and vehicle, wherein, the centralized electric drive bridge includes axle, motor, first brake component and first speed reducer, and motor, first brake component and first speed reducer are integrated in the radial side of axle, and first brake component exports the braking force to axle through locking the input end or output end of first speed reducer, the utility model discloses the centralized electric drive bridge of the present application, by integrating motor, first brake component and first speed reducer in the radial side of axle, form compact power module, reduce the space occupation, through the input end or output end of locking first speed reducer of first brake component, compared with prior art, can significantly prolong the service life of motor, and, shorten the brake force transmission chain, improve the brake response time, can greatly improve the heavy load, heavy -duty vehicle ramp parking and emergency brake safety.

The utility model relates to the technical field of bearings, and discloses a liquid-lubricated heavy-duty bearing mechanism which comprises an outer ring, an inner ring is arranged in the outer ring, a limiting ring is arranged on the inner wall of the inner ring, a ball is arranged in the inner ring, a push rod is slidably connected in the inner ring, the bottom end of the push rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a piston rod. A tension spring is fixedly connected to the upper surface of the connecting plate, a transmission frame is fixedly connected to the lower surface of the connecting plate, a sliding rod is slidably connected to the outer wall of the transmission frame, a positioning rod is slidably connected to the outer wall of the sliding rod, a telescopic rod is fixedly connected to the outer wall of the sliding rod, and an oil conveying assembly is arranged in the inner ring. According to the utility model, through the cooperation of the push rod, the connecting plate, the tension spring, the transmission frame, the sliding rod, the telescopic rod and the positioning rod, the limiting ring is mounted and dismounted, the balls are limited or released, and local stress concentration of the balls is avoided, so that the overall bearing capacity of the bearing is improved.

The application discloses a kind of long-distance power transmission passage section limit adjustment method and system based on operation mode adjustment, through the given power grid operation data, the historical data of each section of power grid and section limit, power transmission passage obstruction quantity, through obstruction quantity analysis, light and heavy load analysis, give the auxiliary decision suggestion of key section, through analysis and calculation, give the key section limit adjustment method under typical operation mode, reach the purpose of promoting section limit, releasing power transmission passage transmission capacity.

The present application relates to heavy load AGV cooperative control technical field, especially in a kind of heavy load AGV group's cooperative control method, the motion state parameter of each heavy load AGV is collected to construct motion state vector, local traffic congestion parameter is predicted, and then local congestion index is calculated and dynamic coordination trigger threshold is determined;Distributed speed coordination is triggered based on local congestion index and dynamic coordination trigger threshold, to determine the reference coordination speed of each heavy load AGV;The reference coordination speed is passed to relevant heavy load AGV, to generate transmission coordination speed;Based on ground state parameter, the motion state vector of each heavy load AGV and transmission coordination speed, the traffic optimization sorting of each heavy load AGV is determined, to modify transmission coordination speed and determine modified coordination speed;Based on the modified coordination speed of each heavy load AGV, the timing and number of subsequent local traffic congestion are predicted, to determine the effective duration of coordination control.The present application improves the running efficiency and safety of heavy load AGV group in complex traffic environment.

The invention relates to the technical field of machining clamping equipment, in particular to a built-in heavy-load chuck which is suitable for stable clamping in the machining process of heavy workpieces and particularly meets the precision machining requirement under the working conditions of large weight and high load. Comprising a chuck body provided with at least one T-shaped groove; each clamping jaw assembly comprises a clamping jaw and a T-shaped sliding block; the reinforcement screw rod is in transmission connection with the T-shaped sliding block; the reinforcement screw rod end cover is fixedly mounted on the chuck body, is arranged corresponding to the end part of the reinforcement screw rod, and is used for bearing reverse thrust generated when the reinforcement screw rod drives the T-shaped sliding block; and the at least four clamping jaw bolts penetrate through the clamping jaws and are in threaded connection with the T-shaped sliding blocks, and after the clamping jaw bolts are tightened, the clamping jaws and the T-shaped sliding blocks can jointly clamp the side walls of the T-shaped grooves of the chuck body to form static friction resistance so as to share the total bearing capacity of the chuck.

The utility model discloses a sliding type damping box, including upper connecting plate and the box of being located below upper connecting plate, the lower part fixedly connected with plunger of upper connecting plate, the right baffle and left baffle of opposite setting are equipped with in box inner chamber seal, the cavity formed by right baffle, left baffle and box is equipped with damping liquid, the lower part of plunger is inserted into damping liquid, the lower part both sides of upper connecting plate are fixedly connected with the right support plate and left support plate of inserting into the inner chamber of box, and the lower end of right support plate and left support plate respectively abuts with the sliding body of a plurality of located at the bottom of box. The utility model discloses the lower end of right support plate and left support plate abuts with a plurality of sliding bodies, can be used to bear the weight load of equipment, realizes the horizontal free sliding under heavy load working condition, can improve the friction damping effect of right support plate and left support plate through rubber pad, improves the damping effect of damper, makes up the problem that damper damping force is not enough in high temperature environment, guarantees the damping effect of damper.

The invention discloses a heavy-load AGV robot omni-directional driving structure and method, and belongs to the technical field of automatic carrying equipment. The structure comprises a frame, a left arm, a right arm, a left holding clamp, a right holding clamp, a first telescopic driving unit, a second telescopic driving unit, an omnidirectional driving wheel and a roller pin row. The left arm and the right arm are movable, and the left holding clamp and the right holding clamp are located above the left arm and the right arm. The first telescopic driving unit drives the left and right arms to adjust the distance to adapt to objects with different widths; the second telescopic driving unit drives the holding clamp to realize clamping and loosening; the omni-directional driving wheels are distributed on the left arm and the right arm to achieve omni-directional movement. The roller pin row is arranged on the inner side of the arm body, the top plane is used for bearing objects, and the slopes are connected to guide the objects to fall. By means of the modular design, self-adaptive clamping, high-maneuverability transportation in a narrow space and stable landing of heavy-load objects of multiple specifications such as a switch cabinet are achieved.

The utility model discloses a sectional reinforcing structure of a crane boom, and relates to the technical field of crane booms. Comprising a bottom bearing frame, side reinforcing frames, a bearing piece, a top inclined frame, a connecting arm, a longitudinal reinforcing rod, a diagonal reinforcing rod and a first reinforcing piece, the side reinforcing frames are welded and fixed to the two sides of the bottom bearing frame, the top inclined frame is mounted on the bottom bearing frame in a bearing mode, and the bottom bearing frame, the top inclined frame and the connecting arm are connected to form a triangular structure. A plurality of longitudinal reinforcing rods are vertically installed between the bottom supporting frame and the top inclined frame, diagonal reinforcing rods are obliquely installed between the longitudinal reinforcing rods, and the bottom ends of the longitudinal reinforcing rods are welded and fixed through first reinforcing pieces. Through the hollow structure design of the bottom supporting frame, the side reinforcing frame, the top inclined frame and the like, the self weight is reduced while the bearing strength is ensured. The diagonal reinforcing rods and the gradient type longitudinal reinforcing rods which are arranged in a crossed mode are adopted, a multidirectional stress network is formed, vibration and deformation are effectively restrained, and the amplitude of the cantilever crane under heavy load is reduced.