319 results about "Mechanical construction" patented technology

The utility model relates to the technical field of housing construction engineering, and discloses a housing construction engineering positioning and measuring device which comprises a supporting table, a supporting rod is movably connected in the supporting table in a penetrating mode, a measuring instrument is fixedly connected to the upper end of the supporting rod, and a supporting mechanism is arranged on the lower surface of the supporting table. A rack is fixedly connected to the left side surface of the supporting rod, and an adjusting mechanism is arranged on the upper surface of the supporting table and located on the left side of the supporting rod. According to the utility model, in the aspect of height adjustment, through the linkage design of the supporting rod and the rack and the combination of a mechanical locking mechanism of the gear, the ratchet wheel and the pawl, stepless precise adjustment of the measuring instrument is realized, and the motor fault risk and power consumption are avoided; in addition, the rotating rod can be locked through the positioning bolt after adjustment is completed, accidental displacement of the measuring instrument is prevented, and the reliability of the device is further improved. According to the design, through a pure mechanical structure, the height adjusting process is simplified, the maintenance cost is reduced, and the device is particularly suitable for engineering scenes in a power-free environment.

The invention relates to the technical field of waterproof coatings, in particular to an environment-friendly waterproof coating spraying device which comprises a frame, moving wheels, a cleaning mechanism and a spraying mechanism, the cleaning mechanism comprises a cleaning cover, a cleaning nozzle, a first cleaning roller, a second cleaning roller and negative pressure suction equipment, and integration of base surface cleaning and impurity recovery is achieved. The spraying mechanism comprises a spraying cover, a coating hopper, an air compressor, a coating header pipe, a high-pressure gas header pipe, a coating nozzle group and a positive-pressure nozzle group, and a uniform waterproof coating is formed through high-pressure spraying. According to the device, closed design is adopted, the negative pressure harmful gas adsorption function and the positive pressure leakage prevention function are integrated, cleaning-spraying continuous operation is achieved, the problems that traditional manual spraying is low in efficiency, uneven in coating, serious in pollution and the like are solved through mechanical construction, the construction quality and the environmental protection performance are remarkably improved, and the device is suitable for large building waterproof engineering.

A flying elevator is characterized by comprising (100) a ducted propeller arrangement. And (200) a flying elevator telescopic car body. And (300) supplying power to the transfer platform truck. And (400) an intelligent control system. And (500) final assembly of the structure. The mechanisms and the systems are combined through final assembly. Therefore, a set of economical and practical elevator type intelligent low-altitude aircraft is formed. The technical problem that a conventional low-altitude aircraft cannot be connected for a long time to continuously work and cannot be increased in capacity due to limitation of self-loading power or electric power is solved. The elevator is widely applied to high-rise buildings, high-altitude construction sites, disaster areas and scenic areas and serves as a temporary elevator or a short-distance aircraft. And the emergency operation and rescue work of personnel transfer and material transportation can be continuously carried out by a single machine for a long time. The flying elevator has the beneficial effects that 1, the flying elevator flies with lines, and electric power is continuously provided by using the mains supply or a vehicle-mounted power generation device, so that the flying elevator can continuously run for a long time; 2, off-line flight: driving the flight elevator to run by utilizing a reserve battery in an area which is not suitable for line-carried flight; and emergency operation and rescue work in different environments are facilitated. And 3, a multi-set mechanical structure design, a power supply device and a control system. And flight safety and operation convenience are guaranteed.

The invention relates to the technical field of welding, and discloses a complex sheet metal frame cabinet tailor-welding method which comprises the following steps: S1, splitting: assembling an upper frame, a lower frame and a middle stand column according to a design structure of a frame cabinet; s2, bending is conducted, specifically, corners of the upper frame, the lower frame and the middle stand column are bent; s3, splicing is conducted, specifically, the upper frame, the lower frame and the middle stand columns are spliced into a frame, and the middle stand columns are clamped in the bent positions; and S4, welding is conducted, specifically, the spliced exposed parts of the upper frame, the lower frame and the middle stand column are welded. Through the four-step process of modular splitting, precise bending, mechanical interlocking and flat welding optimization, an innovative frame of mechanical positioning and then welding fixing is constructed, welding deformation is controlled from the source, the assembly consistency is improved, mechanical structure design and the welding process are deeply coupled, and the welding efficiency is improved. And a dual anti-deformation mechanism of physical interlocking constraint and welding heat input control is formed.

The invention relates to the technical field of sewage treatment, in particular to a building engineering sewage purification treatment device which comprises a sewage collecting tank, a garbage collecting tank, a conveying system and a cleaning system, and further comprises a grating arranged in the sewage collecting tank and used for intercepting garbage in sewage; according to the sewage purification treatment device for constructional engineering, the guide assembly and the trigger assembly are arranged, so that the conical rod can be automatically popped up and reset when needed, manual intervention is not needed, the automation degree of the device is improved, and due to the ingenious design of the driving part, the synchronizing part, the transmission part, the positioning part, the extrusion part and other assemblies, automatic popping up and resetting of the conical rod are achieved; in addition, it is ensured that the position of the cone rod after resetting is accurately controlled, faults caused by position deviation are avoided, and the stability and reliability of the cone rod in the popping and resetting process are ensured through mechanical structures such as a driving spring, a transmission gear, a ratchet wheel and ratchets.

The invention relates to an iron tower welding robot system and method, the iron tower welding robot system comprises a clamping assembly, a rotating assembly for driving the clamping assembly to rotate and a welding assembly, specifically, the clamping assembly comprises at least two oppositely-arranged clamping jaws, and the distance between the clamping jaws is driven and adjusted through a clamping driving assembly; the rotating assembly comprises a rotating supporting frame, a first rotating unit is installed on the rotating supporting frame, and a second rotating unit is installed on the first rotating unit; the welding assembly comprises a mechanical arm and a welding gun, the welding gun is installed at the tail end execution end of the mechanical arm, a visual identification unit is arranged at the front end of the mechanical arm, and the relative position of the visual identification unit and the welding gun is fixed; by means of mechanical structure optimization and deep fusion of visual guidance and intelligent control, high precision, high flexibility and high automation of the welding process are achieved.

The invention discloses a mechanical structural part self-adaptive intelligent assembling device based on deep learning, and belongs to the field of intelligent manufacturing. According to the device, through cooperative work of all the parts, automatic assembly of different types of mechanical structural parts is achieved, and an assembly strategy is continuously optimized according to real-time data through a deep learning algorithm. The device mainly comprises a supporting platform, a material feeding mechanism, an electric wrench, a sensor group and a controller. The supporting platform is used for stably supporting the assembling base body. The material feeding mechanism is responsible for pushing the mechanical structural part to an assembling position; the sensor group collects assembly process data; and the controller adaptively controls the operation arm to complete accurate assembly according to an analysis result of the integrated deep learning model. The device is endowed with self-learning ability, so that the device can adapt to different assembly tasks, the assembly efficiency and quality are effectively improved, and the device has wide applicability and flexibility.

The utility model relates to the technical field of mechanical supporting mechanisms, and discloses a chassis supporting mechanism for engineering machinery, which comprises a chassis, a base fixedly connected to the top surface of the chassis, a C-shaped frame fixedly connected to the top surface of the base, a vertical shaft rotatably connected to the inside of the C-shaped frame, and a worm wheel and a cross arm fixedly connected to the outer surface of the vertical shaft, a worm is rotationally connected into the C-shaped frame, a transmission rod is fixedly connected to one end of the worm, and a transverse shaft is rotationally connected to the inner wall of the transverse arm. Through cooperative operation of the driving motor, the synchronous wheel, the synchronous belt, the worm, the worm gear and other components, the transverse arm can be conveniently unfolded, the supporting pad and other components are driven to move out from the upper portion of the bottom frame, the supporting plate, the supporting pad and the like are erected and make contact with the ground through the hydraulic cylinder, supporting and fixing of the bottom frame are rapidly achieved, the mechanical structure is reasonable in design, and operation is convenient. The operation process is simple and efficient, the unfolding and folding efficiency of the supporting mechanism can be effectively improved, and installation and use of engineering machinery are facilitated.

The invention discloses a building engineering project management field monitoring device, and relates to the technical field of engineering monitoring, an auxiliary device further comprises a fixed block, a square pipe and a movable plate, the fixed block is fixedly installed at the output end of a telescopic motor, a series of linkage structures are driven through the telescopic motor, meanwhile, an elastic telescopic push plate provides upward assistance, and the movable plate is fixed to the fixed block. When a detection rod detects that dust is too large, a water spraying pipe and a telescopic motor can be started at the same time, manual operation of the two parts is not needed, manual intervention steps are reduced, the automation degree of the device is improved, movement of the pressing plate is driven through a mechanical structure, and the labor intensity of workers is reduced. And compared with manual water pressure adjustment, the water pressure is more stable, sufficient pressure can be continuously provided for the water spraying pipe, and the consistency of the dust falling effect is ensured.

The utility model discloses a background automatic welding tool for an auxiliary frame of a mixer truck. The background automatic welding tool comprises a bottom plate, a supporting plate assembly, a first limiting mechanism and a second limiting mechanism. A supporting frame is installed on the bottom plate, and a V-shaped groove is formed in the top face of the supporting frame. The supporting plate assembly comprises a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are installed on the two groove walls of the V-shaped groove correspondingly, and an operation window is formed in the first supporting plate; the first limiting mechanism comprises a bottom bearing assembly and a first clamping block assembly, the bottom bearing assembly and the first clamping block assembly are both installed on the upper surface of the first supporting plate, and the bottom bearing assembly is located at the bottom of the first supporting plate. According to the utility model, accurate positioning and clamping of the auxiliary frame background of the mixer truck can be realized, thermal deformation, welding deviation and false welding in the welding process are reduced, the welding quality is improved, the mechanical structure is simple, and the welding cost and the equipment cost are reduced.

This invention discloses an automated transformer assembly machine, relating to the field of metal processing technology. It aims to solve the technical problems of traditional transformer assembly methods, such as the separation of flipping and cleaning processes leading to time-consuming equipment switching and accumulated positioning errors affecting assembly accuracy; open brush cleaning causing residue to splash and contaminate the equipment, potentially threatening insulation performance; and manual point-by-point cleaning methods being inefficient and prone to quality fluctuations that fail to meet reliability requirements. The invention includes both assembly and cleaning mechanisms. This invention employs an automated design, using mechanical structures and motor drives to achieve the cleaning action, reducing manual intervention, lowering labor intensity, improving cleaning efficiency, ensuring the stability and consistency of cleaning quality, and enhancing product operational reliability. Furthermore, aeration after friction cleaning effectively prevents impurities from remaining on the transformer surface, reducing contamination of the transformer's interior and other equipment components.

The invention discloses an intelligent mechanical cutter suction system based on culvert dredging, and relates to the field of intelligent control, the intelligent mechanical cutter suction system comprises a mobile bearing module, the left side of the top end of the mobile bearing module is provided with a mechanical arm execution component, and the center of the top end of the mobile bearing module is provided with a main control unit, the power module is used for providing moving capacity and overall power support for all functional parts and modules through a walking mechanism and an energy system; the mechanical arm execution component is used for executing cutter suction dredging operation through a mechanical arm driven by the hydraulic driving system and a hydraulic cutter suction head at the tail end of the mechanical arm; when facing complex and changeable culvert deposits, the device always keeps the most efficient cutting and suction state, the overall dredging time is greatly shortened, the operation accuracy and consistency are improved, the mechanical structure overload and collision risks caused by rough operation or path deviation are reduced, and the service life of a core working device is prolonged.

The utility model relates to the technical field of manipulators, in particular to an intelligent manipulator for industrial detection, which comprises a mounting frame, and a rotating frame is movably arranged at the bottom end of the mounting frame; lifting clamping mechanisms are arranged on the two sides of the rotating frame, and each lifting clamping mechanism is composed of a lifting mechanism and a clamping mechanism. According to the utility model, the detection and classified transfer process is cooperatively completed by a mechanical structure and electrical control, excessive manual intervention is not needed from grabbing, transportation and detection of workpieces to final classified placement, the workload and the labor intensity of manual operation are reduced, the production efficiency is improved, and the production cost is reduced in large-scale industrial production. A large number of workpieces can be detected and classified continuously and stably, fatigue and errors possibly caused by manual operation are avoided, and efficient production is guaranteed.

This invention discloses a top-floating self-draining siphon rainwater hopper, comprising a power-accumulating transmission mechanism and a squeezing drainage assembly. The squeezing drainage assembly includes a sleeve and a plunger connected movably. A drainage chamber is formed inside the sleeve, and both the inlet and the drain pipe are connected to the drainage chamber. The outlet end of the drain pipe is set lower than the inlet. The power-accumulating transmission mechanism includes a lever, an air-float component, and a limiting component. The lever has a driving end and a contact end. The air-float component is connected to the driving end, and the limiting component is located on the rotation path of the contact end. The lever is connected to the squeezing drainage assembly. When the air-float component rises under buoyancy, it can drive the contact end to break through the threshold of the limiting resistance. The lever can drive the plunger component to squeeze the water accumulated in the drainage chamber, so that the water enters the drain pipe to form a siphon negative pressure. This invention is a purely mechanical structure that can automatically accumulate power to trigger and actively establish a siphon. It is suitable for buildings without openings, realizes centralized drainage across high points on the same floor, has a fast siphon start-up response, low construction and maintenance costs, and stable and reliable operation.

This utility model relates to the field of road and bridge construction technology, and in particular to a fixing structure for repairing road and bridge cracks. It includes a cylinder and a road surface. A crack groove is provided at the crack in the road surface for placing the cylinder. A top groove is formed above the crack groove. A vertically placed support is slidably installed inside the cylinder. A waterproof plate is fixedly connected to the top of the support after it slides through the cylinder. An inner cavity is formed at the top of the cylinder. Connecting rods are rotatably connected to both sides of a section of the support located in the inner cavity. A pull rod is rotatably connected to the end of the connecting rod away from the support. A fixing rod is provided at the end of the pull rod away from the connecting rod. This application improves construction efficiency and reduces difficulty through convenient adjustment of the fixing structure. Furthermore, the design of barbs and waterproof grooves enhances structural stability and waterproof performance. The mechanical structure under stress also prevents further cracking, ensuring the quality of the repair work in terms of construction efficiency and long-term stability of the repair effect.

The present application belongs to the technical field of mechanical structure health monitoring and life prediction, in particular to an engineering machinery load-bearing structure fatigue life intelligent monitoring method, comprising the following steps: step one, establishing a high-fidelity geometric model; step two, establishing a finite element model; step three, constructing a finite element simulation dataset; step four, constructing a neural network proxy model; step five, obtaining working parameters and loading history; and step six, integrating a visual operation and maintenance platform. The engineering machinery load-bearing structure fatigue life intelligent monitoring method can intelligently deduce the evolution process of fatigue damage based on the working parameters and loading history of the structure, realize dynamic calculation of the remaining life and real-time early warning of the service risk, save computing resources, improve the efficiency of fatigue life evaluation, and solve the problems of dependence on offline simulation, response lag, and discontinuous evaluation in traditional structure life management, thereby effectively improving the intelligent operation and maintenance level of engineering machinery and providing protection for safe and efficient operation.

This utility model discloses a mine car that facilitates unloading, relating to the field of mine car technology. It includes: a frame with a bucket rotatably connected to it; a pair of rotating shafts, fixedly mounted on both ends of the bucket, with the shafts located on one side of the bucket's vertical centerline; a pair of end plates, fixedly mounted on both ends of the frame's upper surface, with the rotating shafts rotatably connected to the end plates; and a tipping switch assembly, including a rotating rod rotatably mounted on the upper end of the end plates, a stop bar fixedly mounted on one end of the rotating rod, and a stop block fixedly mounted on the bucket corresponding to the stop bar. This utility model allows the bucket to become unrestrained as the mine car moves forward. By positioning the rotating shafts on one side of the bucket's vertical centerline, a center of gravity shift effect is created, allowing the bucket to tip over under its own weight, emptying the material inside. This eliminates the need for complex mechanical structures, reducing the mine car's manufacturing cost, and the simple structure reduces maintenance costs.

The invention discloses a residual life prediction method and system for an engineering mechanical structural member. The method comprises the steps that S1, a multi-dimensional original data set of the mechanical structural member is collected through a multi-source sensor; s2, performing time-frequency domain feature extraction based on multi-dimensional original data set matching in combination with the inherent frequency and the fault feature frequency, and obtaining a high-dimensional degradation feature set through wavelet packet analysis in combination with characterization damage evolution; s3, utilizing a pre-trained physical memory neural network fusion model CP-NMN to carry out adaptive dimension reduction optimization on the high-dimensional feature set, and obtaining a cross-working-condition same-dimensional health index; and S4, based on the same-dimensional health indexes, dynamically predicting the residual life by adopting a long-short-term memory network, and presetting a life threshold to realize engineering early warning, so that effective monitoring of the health state of the structural member and life prediction can be realized.

The utility model relates to the field of engineering machinery structural member auxiliary displacement tools, in particular to an engineering machinery structural member annular auxiliary displacement tool which comprises a bearing support, a transposition driving part, a lower half auxiliary assembly, an upper half auxiliary assembly, a pressing mechanism and a hinge shaft. The bearing support is mounted on an external rack; an inner groove is formed in the bearing support, a supporting bearing is arranged in the inner groove, and the lower half auxiliary assembly is arranged in the inner groove in the bearing support and is in sliding contact with the supporting bearing; according to the auxiliary displacement tool, the workpiece pressing mechanism is additionally arranged on the upper half pair of the displacement disc, in the using process, the workpiece pressing mechanism can cooperate with a clamping tool in the lower half pair to stably position a vehicle beam frame, the vehicle beam frame is prevented from falling off during large-angle displacement, and the displacement operation safety is guaranteed.

The utility model discloses a gear machining clamping device which comprises a workbench, a supporting platform is arranged on the surface of the workbench, a positioning structure is arranged on the surface of the supporting platform, the positioning structure comprises a second hydraulic cylinder, and the surface of the output end of the second hydraulic cylinder is fixedly connected with a bearing. According to the gear machining clamping device, a second hydraulic cylinder drives a lower structure to move downwards, a protection shell can rotate on a bearing, a damper in the protection shell pushes a positioning rod till the positioning rod is attached to the surface of a gear to be machined on the lower portion, the gear can be clamped in a pressing mode through a mechanical structure, manual guarding is not needed, and the working efficiency is improved. Manpower is saved; and by opening a valve of the pressure water supply tank, the pressure water supply tank conveys water into the pivot box through a drainage pipe, and then the water is sprayed out through a spray head on the surface of the pivot box, so that the whole structure and the worktable can be kept clean all the time, and subsequent use of the device is facilitated.

The invention discloses a mechanical structure for conveying workpieces to carry out subsequent deep machining, and a trolley walks on a track through track wheels, is driven by a driving wheel and is accurately positioned through an infrared sensing device. The innovation lies in that a rotating mechanism composed of a servo motor, a gear, a fixed annular rack and a storage rotating shaft is integrated. When the servo motor drives the gear to rotate, due to the fact that the gear is meshed with the fixed annular rack, the gear is forced to drive the storage rotating shaft and the workpiece on the storage rotating shaft to rotate accurately. The workpiece conveying and posture adjusting device achieves integration of workpiece conveying and posture adjusting, solves the problems that traditional conveying equipment is single in function and cannot adjust workpiece postures on line, has the advantages of being compact in structure, accurate in positioning, stable in operation, high in adaptability and the like, and is particularly suitable for automatic production lines needing multi-angle machining such as metal surface treatment and the like.

The utility model relates to a hot -dip plastic steel pipe convenient to assemble, including steel pipe, both ends of steel pipe outside are all fixedly connected with connecting sleeve, both ends of connecting sleeve all are established with special groove, the inside of special groove all are rotatably connected with semicircle buckle, the utility model has the advantages of adopting the buckle mode of pure mechanical structure, and need not bolt, flange and the like auxiliary connecting piece, spares the tool tightening step, and single person can complete the assembly, and the construction efficiency is greatly promoted, the reset spring provides the pre -tightening force continuously, ensures that semicircle buckle always closely fits, can keep the connection stability even under the vibration environment, the combination design of semicircular connecting sleeve and semicircle buckle guarantees the connecting strength, and the component processing difficulty is reduced, and the manufacturing cost is saved, when disassembling in the later period, can be released locking only need to push the push rod, is convenient for maintenance replacement.

The lofting and ash scattering vehicle comprises a bottom plate, a material storage box, a moving assembly and a remote controller, the material storage box is located on the upper surface of the bottom plate, a material guide groove is formed in the inner bottom of the material storage box, a valve is arranged at a discharging port of the material guide groove, and a power box and an electronic element integration box are arranged on the upper surface of the bottom plate; the moving assemblies are arranged on the two sides of the bottom plate, one moving assembly comprises three moving wheels, a motor B, a rotating wheel and a synchronous belt, the motor B is arranged on one side of the moving wheel located on the outermost side, the rotating wheel is arranged on the inner sides of the three moving wheels, and the synchronous belt is arranged on the outer side of the rotating wheel. According to the utility model, the remote controller is used for controlling the opening degree of the valve so as to control the outflow amount of lime powder and ensure the ash scattering precision, the electric moving wheels are used, the remote controller is used for controlling the sample vehicle to move and scatter ash, the ash scattering effect is improved through a simple mechanical structure, the overall cost is lower, the structure is simple, and the operation is convenient.

The invention relates to the field of power grids, and particularly discloses mechanical construction rapid temporary anchoring equipment which comprises a moving platform, a lifting assembly and a portal frame. The portal frame is fixed at the mounting position of corresponding equipment by the mobile platform through the lifting assembly; the portal frame comprises sliding rail stand columns, a top plate, first rib plates, second rib plates and a bottom plate. The two ends of the top plate are fixed to one ends of the two sliding rail stand columns correspondingly. The two ends of the bottom plate are fixed to the other ends of the two sliding rail stand columns respectively. The two ends of the first rib plate are fixed to the mounting faces of the middle areas of the two sliding rail stand columns correspondingly. The two ends of the second rib plate are fixed to the mounting faces of the lower areas of the two sliding rail stand columns correspondingly. One end of the lifting component is fixed on the moving platform, and the other end of the lifting component is meshed with a rack on a slide rail column of the portal frame; the portal frame is lifted relative to the mounting position of the equipment through the lifting assembly so as to adapt to the position change of the mounting positions of different equipment; and the portal frame can be mounted more quickly and safely at a relative equipment mounting position.

The invention relates to the technical field of steel pipe pile cutting, and discloses a steel pipe pile underwater cutting device which comprises a fixed support, and a first driving assembly, a second driving assembly, an expansion supporting assembly, a rotating platform assembly and a hydraulic cutting assembly are installed on the fixed support; the first driving assembly comprises a first driving bin and a first driving piece. According to the underwater cutting device for the steel pipe pile, by arranging the first driving assembly, the second driving piece, the rotating platform assembly and the hydraulic cutting assembly, automatic or semi-automatic cutting around the steel pipe pile is achieved, an operator can conduct remote control at safe positions such as an overwater working ship, the labor intensity and the operation difficulty are reduced, and the working efficiency is improved. The hydraulic cutting assembly carries out accurate cutting, the movement track of the hydraulic cutting assembly is guaranteed by a mechanical structure, instability of manual operation is avoided, a flat and vertical cutting section can be obtained finally, the high-precision engineering requirement is completely met, and subsequent pile head treatment or new structure connection is facilitated.

This utility model discloses a rebar connection device for structural columns in prefabricated steel structure buildings, comprising a sleeve. The sleeve is characterized by an internal threaded connection to a bidirectional screw rod, with a nut threaded to the other end of the screw rod, and a threaded connection at one end of the sleeve to the longitudinal reinforcing bar of the structural column. The beneficial effects of this utility model are: the device achieves rapid rebar connection through a simple mechanical structure, eliminating the need for welding, thus significantly shortening construction time and improving construction efficiency; it avoids the problem of welding quality being affected by manual technical factors, and the mechanical connection method allows for more stable control of connection quality, reducing safety hazards caused by improper welding; since on-site welding is not required, energy consumption and environmental pollution are reduced; the new device, requiring no welding, provides better seismic performance and improves the safety of the building structure.

The application provides a power transmission line tower base automatic welding device, relates to the technical field of welding equipment, and is used for welding cross-shaped tower base angle plates. The device comprises a bottom plate, a rectangular frame-shaped turnover guide rail is arranged on the upper end of the bottom plate, a controller is arranged on one end of the bottom plate, a turnover cylinder is vertically arranged in the middle of the narrow edge of one end of the turnover guide rail, and a turnover pulling element is fixedly connected to the inner end of the piston rod of the turnover cylinder and extends into the inner frame of the turnover guide rail. The power transmission line tower base automatic welding device realizes full-process automatic operation of cross-shaped tower base angle plates from clamping, positioning, turnover to welding and unloading through integrated mechanical structure and automatic control. The device is coordinated by the controller, and each execution mechanism is sequentially linked. The device greatly reduces the dependence on manual operation, improves the standardization and automation level of production operation, and thus effectively improves the production efficiency and reduces the labor intensity.

The utility model provides a paper cutting assembly of paper cutter belongs to paper cutter technical field. Including the knife rest, still include: blade, the bottom of knife rest is equipped with the installation groove of sliding connection with the upper part of blade, quick locking mechanism, including fixedly set on the side wall of knife rest a plurality of sleeves, the both sides symmetry elastic connection of sleeve inside have the locating block, the other side wall of knife rest is equipped with the locking lever through blade, locking lever one end is equipped with connecting rod, and the end of connecting rod is equipped with the locking head of inserting the inside of sleeve and the cross section is bowl -shaped, and the release block of being placed between locking head and locking lever is worn on connecting rod. The utility model discloses through ingenious mechanical structure design, relative to traditional adoption bolt fixed through the mode of dismounting through the tool, through quick locking mechanism can realize the tool -free quick dismounting of paper cutter blade, has greatly improved work efficiency, has greatly simplified the blade replacement process, and the operation is labor saving, has shortened the equipment downtime maintenance time, and the production efficiency has been improved significantly.

The application discloses a kind of composite heavy metal pollution site three-dimensional identification and earthwork volume estimation method and system, and it is related to computer data processing technical field.Target site survey data is obtained and engineering voxel space resolution is set, and the chemical action parameter between heavy metals is extracted to construct composite spatial variation function.Three-dimensional distribution model is constructed using three-dimensional space interpolation, and preliminary pollution spatial grid set is extracted according to risk control threshold discretization.Boole logic operation is introduced to cross screen out single and composite heavy metal pollution area, and three-dimensional engineering boundary is obtained by boundary topology reconstruction with minimum mechanical construction envelope as constraint, and then the corresponding pollution total volume is estimated using spatial volume integration algorithm.The application can output three-dimensional boundary with engineering excavation continuity and realize accurate estimation of various pollution quantities.

The present application belongs to the technical field of mine drilling mechanical equipment, and discloses a mining trolley drill rod automatic righting device, which comprises a drill rod righting assembly, the drill rod righting assembly is fixedly assembled at the top end of the boom assembly of the mining trolley, the drill rod righting assembly comprises a drill rod righting device body, drill rod righting blocks, a rotating shaft and a spring, the rotating shaft is fixedly inserted into the drill rod righting device body, the two drill rod righting blocks are hingedly sleeved on the rotating shaft, and the spring is fixedly connected with the two drill rod righting blocks at both ends, respectively. The drill rod righting blocks are arranged in pairs, the drill rod is clamped under the elastic force of the spring, the pure mechanical structure is adopted to replace the hydraulic cylinder hydraulic limiting, not only can the device offset the equipment vibration, avoid the drilling deflection, drill rod thread butt joint misplacement and drill rod jamming failure, but also the device is small in size and light in weight, can be directly installed at the front end of the advancing beam, the drill rod righting blocks can be automatically opened and closed to give way when the drill rod is connected and disconnected, the device is simple in installation and use, and does not affect the normal drilling operation of the drilling machine.