155results about How to "Avoid overall overturning" patented technology

The invention belongs to the technical field of mariculture, and particularly relates to a flexible deep sea truss aquaculture net cage which comprises a flexible net cage system, a stock bin barrel system is arranged in the middle of the flexible net cage system, and an overwater suspension corridor assembly is arranged between the top end of the flexible net cage system and the top end of the stock bin barrel system. An anchor cable system is arranged on the outer side of the circumference of the flexible net cage system. By designing the flexible net cage system, the weight of the culture net cage is increased by filling viscoplastic filling materials through the bottom annular thick supporting pipes and the stand columns, the gravity center of the net cage is reduced, and the safety of the culture net cage in the putting process and the stability in actual operation are improved; other supporting pipes, supporting pieces, stand columns in the stock bin barrel system and transverse annular supporting pipes are filled with seawater, net cage throwing is assisted, and balance weight is simple; due to the integral structural design, the net cage has seawater corrosion resistance, is firm in structure, can bear the impact of large waves and seawater, has certain water permeability and can keep the circulation of seawater.

The invention relates to the technical field of shield tunneling machine disassembly, and particularly discloses a modular disassembly, disassembly tool and method for a shield tunneling machine in a tunnel. The tool comprises a tool body, the tool body comprises an upper mounting frame and a lower mounting frame, and a support is arranged between the upper mounting frame and the lower mounting frame; two lifting plates are arranged on the upper mounting frame, and through holes are formed in the lifting plates; rollers are arranged at one end of the lower mounting rack away from the hoisting section; the tool can improve the dismounting efficiency; the method comprises the steps that S1, the water stop hoop is poured; s2, dismounting the cutter head; s3, propelling, and dismounting a hinged oil cylinder; s4, the duct piece trolley is disassembled; s5, the shield tunneling machine is electrically disassembled; s6, disassembling a hydraulic fluid pipeline; s7, the spiral conveyor is dismantled; s8, the segment erector is disassembled and transported; s9, dismounting and transporting the *-shaped beam; s10, dismounting and transporting a main driving speed reducer and a motor; s11, the man bin is dismantled; s12, disassembling the main drive; the construction method can help to ensure the smooth implementation of the dismounting process and improve the construction efficiency.

The present invention relates to the technical field of steel structure construction, and specifically to a support system for the installation of a tree-shaped column structure, comprising a main truss, a sliding device and a fixing device, wherein the main truss is erected on two tree-shaped columns; a sliding device is provided on the tree-shaped column, and the main truss abuts against the sliding device; a fixing device is arranged on one side of the main truss, one end of which is fixed on the main truss, and the other end of which is fixed on the branch rod of the tree-shaped column. The sliding device is placed on the tree-shaped column, and then the main truss is hoisted and placed on two adjacent tree-shaped columns to slide and adjust the position of the main truss, and then the main truss is fixed by the fixing device. The connecting truss segment is hoisted and temporarily placed on the support system, and workers can operate and construct on the main truss, and weld the connecting truss to the branch rod of the tree-shaped column. When the connecting truss is fixed, the fixing device is released, and the main truss is slid to the top of the next tree-shaped column, and the installation of the remaining connecting truss segments is completed in sequence in the above manner.

A large nut inversion device comprises a device screw rod, a nut tray, a spring, a spring tray and a hexagon nut, the device screw rod is used for being matched with a large nut to be installed, the nut tray is located above the device screw rod and used for bearing the large nut, and the spring is located between the nut tray and the spring tray. Through the elastic effect of the spring, when the nut tray makes contact with the threaded section of the nut screw, threads can be automatically aligned, centered and leveled, so that a large nut can be quickly and efficiently screwed into the nut screw, the spring tray is used for fixing the spring and limiting the displacement of the spring, and the hexagonal nut is used for locking the spring tray and the device screw. Therefore, a complete inversion device is formed. The device adopts a split type design, is convenient to carry and adapts to different scenes; meanwhile, the device is provided with a safety locking mechanism to prevent the nut from overturning or falling off; the upside-down mounting device is simple in structure, the mounting efficiency is remarkably improved, the labor intensity is reduced, the operation safety is enhanced, and the upside-down mounting device has wide application prospects.

The invention relates to the technical field of shield segments, and discloses an automatic hoisting method for a large-diameter shield segment, which comprises the following steps: moving a turnover mechanism to one side of a transport vehicle and clamping the turnover mechanism with the transport vehicle; the overturning plate in the horizontal posture extends into a gap between the outer cambered surface of the shield segment and the carrying plate, and extends into a hole in the outer cambered surface through a second hydraulic telescopic rod, so that limiting connection between the overturning plate and the shield segment is formed; the crank driving mechanism drives the crank to rotate so as to drive the overturning plate and the shield segment to rotate to a vertical posture; after the shield segment is received through the support, connection between the shield segment and the turnover mechanism is removed; and finally, the shield segment is hoisted through the hoisting mechanism. The device has the advantages that the automation degree and the working efficiency in the whole overturning process are high; and the hoisting mechanism can realize quick connection and hoisting through holes in the outer cambered surface and the top end surface of the shield segment.

The Chinese herbal medicine planting frame comprises a top plate, a lifting plate and a cross beam, supporting columns are arranged at the four corners of the bottom of the top plate respectively, and baffles are arranged on the sides, away from each other, of the four supporting columns respectively; guardrails are hinged to the front side and the rear side of the lifting plate correspondingly, two fixing structures are symmetrically arranged on the inner walls of the opposite sides of the lifting plate correspondingly, and two supporting structures are arranged at the bottoms of the separated sides of the lifting plate correspondingly. The two ends of the cross beam are fixedly connected with motors respectively, the output ends of the two motors are fixedly connected with gears respectively, and the separated sides of the motors are fixedly connected with limiting plates respectively. The automatic climbing device has the advantages that the motor drives the gear to rotate, the gear is connected with the rack in a meshed mode to drive the lifting structures to achieve automatic climbing, the two sets of lifting structures drive the lifting plate to ascend, and use is convenient; a certain protection effect can be provided for the Chinese herbal medicine planting groove under severe weather such as strong wind or only the condition that the planting frame is inclined, the Chinese herbal medicine planting groove is prevented from overturning, and the safety is high.

The utility model provides an adjustable rotary box dumping device capable of automatically distributing boxes, the rotary box dumping device is arranged in the middle of a packaging box conveying belt, packaging boxes are sequentially pushed into the front end of a movable overturning groove in a clinging manner through the conveying belt, and the rotary box dumping device comprises the movable overturning groove and an adjustable overturning slope; an adjustable overturning slope is transversely arranged on the bottom face of the inner side of the movable overturning groove, a translation motor is arranged at the bottom of the translation guide groove, an adjustable overturning slope is vertically arranged above the translation guide groove, the adjustable overturning slope is a multi-section chain shaft type slope, and the adjustable overturning slope comprises a gradient multi-section guide plate and a leading-out linear plate. The gradient multi-section guide plate is formed by connecting a plurality of slope blocks through pin shafts, through the adjustable overturning slope capable of moving in a multi-section mode, one end of a packaging box can be lifted to be vertical through the slope surface, it is guaranteed that the packaging box can be stably vertical after being overturned, and toppling is prevented; and the gradient multi-section guide plate capable of being freely adjusted can adapt to the packaging boxes with various thicknesses, a set of rotary box dumping device does not need to be independently customized for the specification of one packaging box, the utilization rate of the device is increased, and the cost is reduced.

The invention relates to the technical field of bridge demolition construction, in particular to a pier column demolition device which comprises a first fixing assembly, a first positioning assembly, a second fixing assembly, a second positioning assembly, a connecting piece and a fretsaw, the first fixing assembly comprises a first cohesion side, the first positioning assembly is connected with the first fixing assembly, and the second positioning assembly is connected with the second fixing assembly. The first fixing assembly comprises a first cohesion side to adjust the posture of the first cohesion side, the second fixing assembly comprises a second cohesion side, and the second positioning assembly is connected with the second fixing assembly to adjust the posture of the second cohesion side. According to the dismounting device for the pier column, due to the fact that the design of the first fixing assembly and the second fixing assembly is adopted, and the posture of the cohesion side is adjusted through the positioning assembly, rapid and accurate fixing and positioning can be achieved outside the pier column, and the problems that in the prior art, fixing equipment is complex in structure and tedious to mount and dismount are effectively solved; and therefore, the technical effects of quickly positioning and reducing the construction time are achieved.

The invention relates to a tray structure and a mobile robot with the same, and the tray structure comprises a tray main body used for bearing a to-be-carried object; the multiple adjusting mechanisms are installed on the tray body at intervals, each adjusting mechanism comprises an adsorption assembly and a pressure detection assembly, the adsorption force of the adsorption assemblies on the to-be-carried objects can be adjusted, and the pressure detection assemblies are used for making contact with the to-be-carried objects so as to detect the pressure change of the to-be-carried objects making contact with the tray body; and the adsorption force of the adsorption part of each adjusting mechanism on the to-be-carried object is adjusted according to the detection result of the pressure detection assembly. According to the tray structure, the conditions of slipping and eccentric loads can be effectively prevented, the transportation efficiency and stability of the mobile robot are improved, and potential safety hazards caused by object shifting are reduced.

The invention provides a bogie structure suitable for a severe environment and an air rail system.The bogie structure comprises a bogie, the lower end of the bogie is used for being hinged to a vehicle body, a side rolling stop is arranged on the bogie and used for limiting and buffering the side rolling angle of the vehicle body, and a motor frame is arranged above the bogie; the motor frame is vertically and movably connected with the bogie, an elastic vertical stopper is arranged between the bogie and the motor frame, the acting force of the vehicle body on the side rolling stopper is transmitted to the motor frame through the vertical stopper, positioning wheels are arranged at the two ends of the motor frame, the positioning wheels are used for abutting against a track beam, and the positioning wheels are used for transmitting the acting force on the motor frame to the track beam. The side rolling motion of a vehicle body is released, the side wind moment is balanced through the vehicle gravitational moment, the wheel load shedding rate of the bogie is reduced, meanwhile, the side rolling backstop, the vertical backstop and the positioning wheels are arranged, the side rolling angle is limited, the bogie can be prevented from overturning, and the structural reliability is guaranteed.

The present application relates to a kind of based on self-propelled double-row paddy field weeder's leapfrogging row-changing device and row-changing method.Row-changing device includes support mechanism, transverse moving mechanism, initiative lifting mechanism, steering mechanism, reset mechanism and electric control module;When electric control module detects that weeder walks to the end of rice planting row, support mechanism elongates and supports the whole machine by contacting ground, initiative lifting mechanism lifts weeder to higher than rice seedling height, and is driven from above rice seedling by transverse moving mechanism to move horizontally;Steering mechanism and lifting mechanism drive weeder to turn 180 ° and descend, complete leapfrogging row-changing;After weeder descends to ground, reset mechanism drives row-changing device to reset, provide preparation for next row-changing.The present application realizes the leapfrogging row-changing of self-propelled paddy field weeder from above rice seedling, avoids the damage of seedling caused by weeder turning at the end of row, and optimizes support mechanism, so that the whole machine adapts to paddy field environment after weeding operation to prevent overturning.

The utility model provides an adjustable supporting tool for assembling an offshore photovoltaic steel grid. The adjustable supporting tool comprises a height adjusting module, a fixing module, a telescopic module and a supporting module, wherein the fixing module, the telescopic module and the supporting module are sequentially connected from top to bottom. The fixing module is connected with an offshore photovoltaic steel grid; one end of the telescopic module is embedded into the supporting module and is detachably connected with the supporting module; the height adjusting module is connected with the telescopic module and used for adjusting the depth of the telescopic module embedded into the supporting module. The supporting module is used for supporting the fixing module and the telescopic module. According to the utility model, a modularized combined structure of the fixing module, the telescopic module, the height adjusting module and the supporting module is adopted, and the depth of the telescopic module embedded into the supporting module is adjusted through the height adjusting module, so that the levelness and the butt joint precision during the assembly of the steel net rack are ensured, and the assembly operation of the offshore photovoltaic steel net rack can adapt to the tide level change; manual measurement errors are reduced, and the assembling efficiency and quality are greatly improved.

The utility model discloses a self-balancing electric wheelchair, and relates to the technical field of wheelchairs. Comprising a seat body and a walking mechanism installed on the bottom face of the seat body, a walking balance mechanism is installed between the seat body and the walking mechanism, and the walking balance mechanism comprises a buffering assembly, a gravity center height adjusting assembly and a distance adjusting mechanism. Two internal thread blocks on the sliding chute shell are far away from each other to drive one end, located at the sliding chute shell, of the limiting rod to push the sliding blocks to slide, namely, the two sliding blocks in the sliding chute shell are far away from each other to compress the buffer springs on the sliding rods at the positions, so that the elastic potential energy release stroke of the buffer springs is shortened, and the buffer strength of the buffer springs is reduced; the jolting strength of the jolting road section at one end prevents the elastic potential energy release stroke of the buffer spring from being too long, and the jolting feeling is enhanced.

The utility model belongs to photovoltaic cleaning robot technical field especially photovoltaic cleaning robot's walking stable mechanism, including robot body and the crawler belt of installation on robot body, the upper surface of robot body is provided with adjusting part, adjusting part includes counterweight, the movement of counterweight adjusts the gravity center of robot body, through setting adsorption part, the surface of photovoltaic board is adsorbed, and the lower end of crawler belt and sucking disc is all set up with screw hole, so that both through bolt fixed mounting, thereby the accurate installation and disassembly of sucking disc are convenient, and the number of sucking disc can be counterweighted according to actual demand, and through adjusting the number of sucking disc, can optimize adsorption force distribution, ensure that robot body is stably attached, thereby enhance the anti -skid and anti -overturning ability.

The utility model provides an electric lifting goods shelf with adjustable pallet height, which comprises a main shelf body, pallets, a lifting mechanism and a control mechanism, the pallets are arranged on the main shelf body through the lifting mechanism, and the control mechanism is in communication connection with the lifting mechanism; the elevators are arranged in pairs and symmetrically arranged at the left end and the right end of the main frame body, each elevator comprises a penetrating type stepping motor, a screw rod and a vertical guide part, the screw rod is vertically fixed between the front side and the rear side of the main frame body through a screw rod fixer, the penetrating type stepping motors are arranged on the screw rod in a sleeving manner and are in transmission connection with the screw rod, mounting seats are arranged on the penetrating type stepping motors, and the vertical guide parts are arranged on the mounting seats. The end part of the pallet is fixed on the penetrating type stepping motor through a mounting seat; the vertical guide part comprises a guide rod and a guide sleeve, the guide rod is vertically arranged on the main frame body and is parallel to the screw rod, the guide sleeve is sleeved on the guide rod, and the outer surface of the guide sleeve is fixedly connected with the end part of the pallet.

The utility model discloses a kind of transfer devices for cork furniture, belong to furniture transport technical field.It includes vehicle plate, handle and universal wheel.Vehicle plate below installs universal wheel and is convenient for moving, above welding handle, two slide rails are installed on vehicle plate, and circular limit block with roller inclined rail is correspondingly set in one end of slide rail.Adjusting assembly is rotated by hand wheel drive screw column, drive screw block and bearing connection slider connecting column lateral movement of it, core effect is to pull fixed plate and its connecting roller from roller inclined rail to slide rail, realize accurate positioning and transport of furniture on device.Rope automatic recovery assembly is automatically recovered by clock spring drive reel, in combination with ratchet and pawl anti-loosening mechanism and guide rope board, cooperate with rope binding column to realize furniture fast binding and fixing.Solve the problem that furniture is laborious in traditional transfer, fixed operation is complicated, with loading positioning accurate, binding convenient and the like advantages, significantly improve the safety and efficiency of cork furniture transfer.

The invention discloses an attached lifting platform which comprises a base, a stand column guide frame, a climbing device and a working platform, and the stand column guide frame is fixedly installed on the base; the climbing device is installed on the stand column guide frame. The working platform is fixedly connected with the climbing device; wherein the operation platform comprises a plurality of telescopic platform assemblies, each telescopic platform assembly comprises a scaffold board and at least one telescopic cross beam structure, and the installation space of the scaffold boards is expanded through the telescopic cross beam structures; the working platform is provided with the telescopic platform assembly, the width of the working platform can be expanded, so that the working platform can be used for building operation in different working environments, and diversified requirements of customers can be met; and major construction accidents such as deformation, collapse and overturning of construction platform components caused by overload can be effectively avoided.

The invention relates to the technical field of side slope treatment, and discloses an anti-collision wall structure for side slope rockfall protection. A foundation pit is excavated at a high side slope toe, an anti-collision wall body is installed in a building area of the foundation pit, and a buffer area is additionally arranged, so that rockfall preferentially passes through the buffer area for buffering when falling to the high side slope toe; kinetic energy of fallen rocks is absorbed and dissipated, impact force of the fallen rocks is reduced, the risk that the fallen rocks bounce over the anti-collision wall body after falling to the ground is reduced, and the number of the fallen rocks bouncing over the anti-collision wall body after falling to the ground is reduced. Meanwhile, after falling rocks are buffered, the impact force is small when the falling rocks collide with the anti-collision wall body, the falling rocks are effectively prevented from colliding with factory buildings, a solid barrier is provided for the factory buildings, and therefore the falling rocks are effectively prevented from colliding with the factory buildings, and the safety of personnel and equipment in a field is protected; and direct economic losses such as equipment damage, production and work halt, casualties and the like caused by rockfall disasters are reduced.

This invention relates to a deep foundation pit support structure for underground sewage treatment plants based on double-row piles, comprising a first support component, a second support component, a support component, a cross brace component, and a cable assembly. The first support component is disposed around the perimeter of the deep foundation pit, and the first and second support components are staggered. The support component is disposed between the first and second support components, and the cross brace component is disposed between the opposing first support components. The cable assembly is also connected to the outer side of the second support component, and the cable assembly extends outward to the anchor pier. This invention not only stabilizes the foundation pit support of underground sewage treatment plants, facilitating construction, but also reduces the difficulty of foundation pit support construction.

The utility model relates to the technical field of jacks, in particular to an adjusting mechanism and a movable scissor jack bench clamp support, which comprise a jacking component, a lifting component, a lifting component and a lifting component, the jacking component comprises a threaded rod, two groups of connecting blocks connected to two sides of the threaded rod in a sliding manner, and a jacking part arranged between the two groups of connecting blocks; the adjusting assembly is arranged in the connecting block and comprises two clamping blocks arranged in the connecting block in a sliding mode, an adjusting piece connected between the two clamping blocks, a fixing piece arranged between the adjusting piece and the connecting block, a limiting piece arranged between the two clamping blocks and the connecting block and a reset piece arranged on one side of the threaded rod. The bench clamp working table has the advantages that the bench clamp working table can be slowly jacked up through the jacking assembly and the adjusting assembly, and the bench clamp working table can be rapidly reset after being used.

The utility model relates to the technical field of jacking devices, in particular to a bridge support replacement jacking device which comprises a hydraulic column and a hydraulic jacking cylinder. And two groups of hydraulic jacking cylinders are mounted on the outer side of the hydraulic column. The two sets of hydraulic jacking cylinders are connected with the top plate to assist the hydraulic columns for supporting, so that the bearing capacity of the hydraulic columns can adapt to actual loads of different bridges, sufficient supporting force is provided, it is ensured that the hydraulic columns can safely support the upper structures of the bridges, and the load requirements of different bridges are met; load can be dispersed, overload of a single hydraulic cylinder is avoided, additional lateral support is provided for the hydraulic cylinders, the hydraulic cylinders are prevented from overturning in the jacking process, the risk of equipment damage is reduced, the two sets of hydraulic jacking cylinders are used for assisting in supporting, the load is effectively dispersed, local stress concentration is reduced, and the reliability of equipment is improved. And the risk that the bridge structure cracks or deforms in the jacking process is reduced, and the overall safety is improved.

The utility model relates to an electric lifting transfer trolley, include: frame, including frame body, wheel group and with handle, drive assembly, including first drive part and first transmission part, support assembly, including with support base, a pair of limit board and limiting piece along first direction set up on support base, support base can be driven and moves up and down by drive part, a pair of limit board forms support space between, for supporting work piece, limiting piece has open state and limit state, in open state, the orthographic projection of limiting piece does not coincide with support space, in limit state, the orthographic projection of limiting piece coincides with at least partial support space, drive assembly drives support assembly to move up and down relative to frame to realize with different height's connection platform, promotes efficiency, in limit state when limiting piece, the orthographic projection of limiting piece coincides with at least partial support space, thereby realizes to the work piece in support space and carries out limit, prevents the slippage, overturning or falling of work piece.

The present invention belongs to the technical field of machine clamping, and specifically is a five-axis truss robot suitable for clamping different equipment, comprising a moving mechanism and a connecting mechanism; the connecting mechanism comprises a Z-axis extension shaft, an A-axis connecting flange is fixedly connected to the Z-axis extension shaft, and an A-axis connecting flange is rotatably connected to the A-axis connecting flange; the universal flange is moved to a position close to the equipment by the moving mechanism, and then the A-axis servo motor can drive the A-axis rotating shaft to rotate, so that the position of the B-axis U-shaped structural member is adjusted, and then the B-axis servo motor drives the B-axis rotating shaft to rotate, so that the position of the universal flange is adjusted, and the position of the universal flange can be adjusted by rotating the A-axis and B-axis rotating shafts to fully align it with the threaded hole connection of the equipment, and then the universal flange is used to fix various equipment, thereby improving the flexibility of the entire device when in use.

The application discloses a concrete prefabricated column reinforcing anti-misplacement structure and a mounting method thereof, and relates to the technical field of building structure reinforcement, which comprises a plurality of prefabricated columns, reinforcing members connected with the prefabricated columns, and connecting members arranged between the prefabricated columns and the reinforcing members. The application comprises four steps: S1, preparing vertical prefabricated columns and horizontal prefabricated columns, and placing the vertical prefabricated columns and the horizontal prefabricated columns to predetermined positions to ensure the verticality and the horizontality; S2, mounting vertical connecting members and horizontal connecting members to the vertical prefabricated columns and the horizontal prefabricated columns to ensure the connection with longitudinal reinforcement and horizontal reinforcement; S3, connecting reinforcing bodies with the vertical connecting members and the horizontal connecting members; and S4, arranging first reinforcing plates and second reinforcing plates on surfaces of the vertical connecting members and the horizontal connecting members respectively, and tightening steel ropes to complete the mounting. The multiple connections among the structures can significantly improve the stability and the bearing capacity of the concrete prefabricated columns, and reduce the damage caused by external factors such as earthquakes and wind loads.

The utility model relates to the technical field of hydrometeorological monitoring, in particular to a hydrometeorological monitoring device which comprises a supporting plate, fixing frames, an air cushion, an air valve, a meteorological detector, a limiting plate, a liquid wheel, a fixing plate and the like, a plurality of fixing frames are evenly distributed at the bottom of the supporting plate, the air cushion is connected between the fixing frames, the air valve is installed on the air cushion, and the meteorological detector is connected with the limiting plate. A meteorological detector is installed in the middle of the top of the supporting plate, limiting plates are symmetrically installed on the left side and the right side of the lower portion of the supporting plate front and back, a liquid wheel is installed on the outer side of each limiting plate, and fixing plates are installed on the left side and the right side of the middle of the top of the supporting plate. The two double-shaft motors are matched with the bevel gear sets to independently drive the left hydraulic wheel, the right hydraulic wheel, the front hydraulic wheel and the rear hydraulic wheel respectively, multi-direction propelling power is provided for the device, and the problems that a traditional floating type monitoring device is poor in maneuverability and cannot actively respond and cover monitoring blind areas are solved.

The utility model discloses an alignment mechanism for pole piece detection, include: base plate, and its both ends end face respectively fixedly be equipped with mounting seat, the first slider and the second slider of sliding setting in the mounting seat, the adjusting end of mounting seat is fixedly equipped with first drive assembly, and the output shaft of first drive assembly is connected and drives corresponding slider sliding, the first pivot assembly of fixedly equipped on the first slider and two second pivot assemblies of fixedly equipped on the second slider, be equipped with the alignment plate of center round hole and racecourse type through -hole, first pivot assembly is worn in center round hole, and two second pivot assemblies are respectively worn in the racecourse type through -hole that sets up parallel to the alignment plate length direction, the pole piece detection camera of fixedly equipped in the alignment plate middle part edge position, through the automatic control of first drive assembly and second drive assembly, has realized the automation of alignment process, has improved alignment efficiency and precision greatly.

This utility model belongs to the field of scaffolding technology, specifically relating to a foldable construction scaffold. It includes casters, retractable uprights, a lifting device, a ladder, and footboards. The lifting device is mounted on the retractable uprights, and includes a folding bracket, a drive cylinder, and a mounting plate. The mounting plate is fixed to the retractable uprights, and the folding bracket is mounted on the mounting plate. A drive cylinder and a limit rod are mounted at the bottom of the folding bracket. The telescopic end of the drive cylinder is connected to the limit rod, which is slidably mounted in a limit frame on the mounting plate. A footboard is connected to the top of the folding bracket, and a ladder is mounted on one side of the footboard. This utility model uses the drive cylinder to move the limit rod along the limit frame, causing the folding bracket to unfold or fold, thereby moving the retractable uprights and footboards along the direction of the retractable uprights, changing the height of the scaffold, and facilitating adjustment of the construction height as needed.

The present disclosure relates to the technical field of intelligent robots, and specifically provides a mobile device, a speed control method and device thereof, and a storage medium. The speed control method comprises: acquiring a cost map of a moving area and a target path of the mobile device; determining a target distance between the mobile device and an obstacle and a turning curvature of the mobile device based on the cost map; determining a target speed of the mobile device according to the target distance, the turning curvature and a maximum speed limit of the mobile device; and controlling the mobile device to move at the target speed. The present disclosure improves the speed control effect by adaptively controlling the speed of the mobile device.

This utility model discloses a lightweight hot air blower frame, specifically relating to the field of hot air blower technology. It includes a fixed plate with a mounting groove on one side. A support device is movably connected to the rear end of the fixed plate. Bolts are movably connected to one side of the mounting groove. A connecting device is fixedly connected to the upper end of the support device, and a fixed seat is movably connected to the upper end of the connecting device. A hot air blower is fixedly connected to the upper end of the fixed seat. This lightweight hot air blower frame solves the pain points of traditional hot air blowers in complex environments by upgrading flexibility, stability, and scene adaptability. It also has advantages such as safety, efficiency, and ease of maintenance. The height of the support legs can be adjusted according to the flatness of the ground or operational needs, ensuring the hot air blower remains horizontal under uneven, tilted, or other non-ideal ground conditions. The support legs can rotate at multiple angles and independently adjust the tilt angle, enhancing the equipment's fit with the ground and preventing tipping.