31results about How to "Improve site adaptability" patented technology

The utility model relates to a prefabricated middle partition wall structure of a tunnel ventilation inclined shaft. The prefabricated middle partition wall structure at least comprises a bottom supporting structure, a steel supporting assembly and a prefabricated modular wallboard. A positioning groove is formed in the top face of the bottom supporting structure, and the bottom of the steel supporting assembly is embedded into the positioning groove and fixed. The prefabricated modular wallboard is formed by splicing a plurality of prefabricated slabs, the adjacent prefabricated slabs are connected through tongue-and-groove structures which are matched in a concave-convex mode, and the tongue-and-groove joints are filled with sealing materials. The steel supporting assemblies are longitudinally arranged at intervals, and the tops of the steel supporting assemblies are fixed to a tunnel lining to form a steel-concrete combined structure for supporting the prefabricated modular wallboard. The steel supporting assembly and the prefabricated modular wall plate form a steel-concrete prefabricated structure, and the stability of the whole structure is enhanced. By adopting the autoclaved aerated concrete precast block material and the concave-convex groove embedded modular structure, the problems that the construction quality is difficult to control, the construction period is long, the on-way resistance of air flow is large and the like in the existing reinforced concrete mid-partition wall are solved.

The invention relates to the technical field of seismic isolation grooves, in particular to a seismic isolation groove cover plate. The integrated cover plate body is adopted, stress is stable, and the anti-seismic capacity is high; the height adjusting support can adjust the height position of the cover plate body so that the upper ends and the lower ends of the first inclined face and the second inclined face can be aligned and the slope faces can be attached when the cover plate body is placed on the supporting plane in different site states, a unified plate can be adopted, arrangement is convenient, and site adaptability is high. The mounting end of the cover plate body is in limited connection through a connecting mechanism, the mounting end of the cover plate body can rotate upwards or downwards relative to the connecting position of the cover plate body and the seismic isolation side wall after limited connection, and when the width of the seismic isolation groove changes, the mounting end of the cover plate body rotates upwards or downwards relative to the connecting position of the seismic isolation side wall. And meanwhile, the second inclined surface at the free end of the cover plate main body can slide along the first inclined surface of the slope structure so as to adapt to the width change of the seismic isolation groove.

The invention relates to low-disturbance soil pile forming equipment and a construction technology, and relates to the technical field of pile foundation construction, and the low-disturbance soil pile forming equipment comprises a stand column, a drilling system and a drilling power assisting device. Under the synergistic effect of low-pressure drilling and the drilling power assisting device and in combination with an intermittent stamping mode generated by the push-pull assembly, formation resistance is efficiently broken through on the premise of low disturbance; and meanwhile, the guiding and linkage assembly is used for achieving automatic lateral stabilization in the drilling process, deflection is effectively restrained, the pile forming perpendicularity is guaranteed, and the technology has the advantages of being small in construction disturbance, low in noise, free of slurry discharging, high in pile forming quality, high in equipment adaptability and the like, and is suitable for efficient low-disturbance construction in narrow sites.

The invention discloses a winch traction system steering pulley stress detection device, which belongs to the technical field of electric power circuit construction, and comprises a main body, a connecting shaft rotatably mounted on the main body, and a movable arm connected with the main body and provided with a roller, and further comprises a pressure sensor arranged on a stress path of the connecting shaft, the traction force sensor is used for detecting traction force borne by the steering tackle; the control panel is arranged in the main body, is electrically connected with the pressure sensor and is used for processing the traction force data; the positioning module is integrated on the control panel and is used for acquiring the position information of the steering pulley; the original invisible mechanical state is converted into real-time and accurate digital information with a position label, it is guaranteed that the signals collected by the sensor truly reflect the axial traction force borne by the tackle, the processes such as downhole pre-preparation and real-time detection in operation are omitted, the time consumption of single-time operation is shortened, and the operation and maintenance efficiency is greatly improved.

The application discloses a rail transit steel rail turnout strength test simulation device, which comprises a basic support assembly, the basic support assembly comprises a fixed base, one side of the fixed base is provided with a directional support mechanism, the opposite end surfaces of the two groups of directional support mechanisms are rotatably provided with outer sleeves, one side of the fixed base is provided with a track wheel set, one side of the outer sleeve is provided with a load-bearing positioning assembly, the load-bearing positioning assembly comprises a load-bearing plate, one side of the load-bearing plate away from the fixed base is provided with a positioning column and a positioning groove, the bottom of the load-bearing plate is provided with a visual detection system, and the load-bearing plate is provided with a storage detection assembly on one side. Thus, the test unit is accurately sent to the rail turnout test point for fitting and measurement, so that the test and data collection of the structure strength, deformation and other key performances of the rail transit steel rail turnout are completed under the condition of simulating the real train load. The storage design improves the site adaptability and transportation convenience of the device.

This invention provides a waste liquid collection and temporary storage system and method under raised floors, including a main collection tank, a backup tank, a pneumatic diaphragm pump, a waste liquid inlet pipe, a waste liquid outlet pipe, a gas phase balance pipe, a connecting pipe, an exhaust pipe, and a liquid level detection device. The main collection tank and the backup tank are located below the raised floor, and the pneumatic diaphragm pump is located above the raised floor. The main collection tank and the backup tank are connected by the gas phase balance pipe and the connecting pipe, respectively. Waste liquid enters the main collection tank through the inlet pipe. The liquid level detection device monitors the liquid level and triggers the pneumatic diaphragm pump to deliver waste liquid. In case of abnormal inflow, the connecting valve is opened to expand the capacity of both tanks, forming a temporary storage space. The system is also equipped with a multi-stage liquid level detection device, a pneumatic ball valve, and an independent control box, possessing automatic control, pressure balancing, and overflow prevention functions. It has a compact structure, is safe and reliable, and can effectively improve the continuous operation capability and emergency buffering capability of the waste liquid collection system under raised floors.

The utility model provides a kind of portable PVC board positioning cutting workbench, including workbench, cutting piece and base, four sets of correction mechanism are arranged in equal angle on workbench, correction mechanism includes mounting block, guide rod, spring, clamping block, driving slope, drive rod, sliding block and slide rail, mounting block is installed on workbench, guide rod is passed through mounting block and is connected with clamping block, spring is sleeved on guide rod, the both ends of drive rod are respectively hinged in clamping block and sliding block top end one side.The utility model is in cooperation with slide rail by the drive rod of correction mechanism, sliding block, realizes the automatic horizontal correction of PVC board, solves the positioning deviation problem caused by lack of correction device of traditional cutting workbench, improves cutting accuracy, reduces manual intervention;By dust cover and external negative pressure device cooperation, the instant collection of cutting process debris is realized, the problem of scattered debris polluting environment is solved, the operation area is kept clean, and safety is improved.

The utility model discloses a kind of automobile parts welding with rack, belong to automobile parts welding technical field.Selected battery module electrode connecting sheet (copper / aluminium sheet) as typical welding object, the utility model includes moving device, moving device includes three bottom plate one, two bolt holes are symmetrically arranged in bottom plate one two sides, bolt hole is connected bolt, and is connected between bottom plate one by connecting sheet, bolt;Still include fixing device one, fixing device one includes frame one, and welding frame is installed in frame one top, and T-shaped groove one is set in welding frame inner ring, four T-shaped sliders one are matched and set in T-shaped groove one, three electric push rods two are installed on T-shaped slider one, and clamping block one is installed in electric push rod two top.The utility model places rack for automobile parts welding by modularization design, installs multidirectional arbitrary adjustment clamp for welding frame, solves the problem that common automobile parts welding with rack function area is divided chaos, clamping type is single, inconveniently moves.

The invention discloses a laminated solar cell module, a method for improving the photoelectric conversion efficiency of the laminated solar cell module and application of the laminated solar cell module. The laminated solar cell module comprises a first cell used for absorbing first wave band light in incident light; the third battery is used for absorbing third wave band light formed from the first installation site, and the first battery and the third battery are sequentially arranged in a stacked mode; or the first battery is used for absorbing the first wave band light in the incident light; the fourth battery is used for absorbing fourth wave band light formed from the second installation site, the first battery and the fourth battery are sequentially stacked, and the third wave band light is different from the fourth wave band light. According to the laminated solar cell module provided by the invention, solar spectrum can be absorbed more sufficiently, incident light in the light incoming direction can be fully absorbed, reflected light can also be fully absorbed, and the photoelectric conversion efficiency of the cell module is improved.

This invention relates to the field of automated litchi harvesting technology, specifically a high-low staggered harvesting device and method for harvesting litchi from the entire tree canopy. The device includes a walking mechanism, a high-low staggered double robotic arm, a flexible clamping mechanism, a curved guide rail mechanism, a shearing device, a control device, and an identification device. The identification device and shearing device are mounted on the robotic arms. The low-position 6-DOF robotic arm is mounted on the slide of the curved guide rail mechanism. The high-position 3-DOF robotic arm consists of three linear motion modules along the X, Y, and Z axes. The flexible clamping mechanism is placed on the X-axis linear motion mechanism, which is placed on the Y-axis linear motion mechanism, and the Y-axis linear motion mechanism is placed on the Z-axis linear motion mechanism. The Z-axis linear motion mechanism, control device, and curved guide rail mechanism are mounted on the walking mechanism. This invention can cover the entire litchi canopy for fruit harvesting, is suitable for harvesting in high-branch scenarios, and significantly improves the efficiency of litchi harvesting.

The utility model discloses an automatic material collecting device of stamping terminal, including base and vertical support riser of being established on the base, the support riser is provided with the winding structure on the horizontal, the one side of support riser still is provided with two groups of auxiliary guide roller and paper roll, and the paper roll is wound with the isolation paper, and the isolation paper is synchronous with the terminal and enters the winding structure, realizes the terminal interval isolation, avoids the friction damage in the winding process, the winding structure includes the mounting panel of horizontal setting in the middle part of support riser, the mounting panel is rotated with the rotary table, and the other side wall of mounting panel is provided with the rotary motor and motor dynamic output shaft is connected with rotary table, the rotary table is provided with two groups of winding assembly on the symmetry, can alternate winding, avoids the shutdown, the utility model relates to stamping processing technical field, and specifically provides an automatic material collecting device of stamping terminal.

The utility model provides an array type pipeline fused salt storage device which comprises a storage part, and a supporting part is arranged at the bottom of the storage part. The storage part comprises a first storage pipe and a second storage pipe, a plurality of third storage pipes arranged in an array mode are connected between the first storage pipe and the second storage pipe, and the third storage pipes communicate with the first storage pipe and the second storage pipe; an input pipe is connected to a port of one end of the first storage pipe, an output pipe is connected to a port of the other end of the first storage pipe, the supporting parts are arranged at the bottoms of the input pipe and the output pipe, and a fourth storage pipe is arranged at a port of the second storage pipe. According to the storage device, the storage space is formed by arranging the array type pipelines on the input pipe and the output pipe, a traditional overall storage tank is replaced, the number of welding seams is reduced, the fused salt leakage risk caused by welding defects is fundamentally reduced, the site construction period is shortened, and the nondestructive testing cost is reduced.

This utility model relates to the field of tobacco equipment, specifically to an auxiliary manual capping machine. The equipment includes a main frame, and a front conveyor roller line, a rear conveyor roller line, an intermediate roller line, a clamping and guiding device, an adhesive application and translation mechanism, a side cap clamping device, and a rear cap spinning device mounted on it. The front and rear conveyor roller lines are detachably connected to both ends of the intermediate roller line via a quick-connect locking device, enabling the input and output of cigarette boxes. The clamping and guiding device spans above the intermediate roller line for centering and positioning; the adhesive application and translation mechanism is located directly above it for applying adhesive; the side and rear cap processing devices are located on the left and right sides and rear, respectively, for flattening the corresponding caps. This utility model effectively solves the problems of poor compatibility, large footprint, and low automation level of traditional equipment through modular layout and automated collaborative operation.

The application discloses an energy storage power station intelligent control integrated cabinet, and relates to the technical field of energy storage power station control cabinets.The energy storage power station intelligent control integrated cabinet comprises an energy storage power station intelligent control cabinet body and a supporting assembly arranged at the lower end of the energy storage power station intelligent control cabinet body.The energy storage power station intelligent control cabinet body can be conveniently switched between a fixed supporting state and a movable supporting state through the auxiliary movable supporting member in the supporting assembly.The foldable auxiliary movable structure does not need to rely on external hoisting or carrying equipment, and the site adaptability of the control cabinet is improved.In addition, the contraction of the auxiliary movable supporting member does not occupy the external space of the energy storage power station intelligent control cabinet body.Through the mechanical linkage design of the auxiliary cleaning assembly and the auxiliary movable supporting member, the surface of the castor wheel is automatically brushed and cleaned in the process of stretching and contracting of the castor wheel.The self-cleaning function is synchronously triggered with the moving operation, and an additional power source and manual intervention are not needed, so that the attachment of sundries on the surface of the castor wheel is reduced, and the service life of the castor wheel is prolonged.

The utility model provides a charging pile base structure. The charging pile base structure comprises a concrete base platform, a plurality of bolt fasteners and a supporting base. The concrete abutment is used for cast-in-place forming; the plurality of bolt fasteners are partially embedded in the concrete abutment, and the threaded ends of the plurality of bolt fasteners are exposed out of the top of the concrete abutment; positioning penetrating holes are formed in the four corners of the supporting base correspondingly, the threaded end of each bolt fastener penetrates through the corresponding positioning penetrating hole and is detachably connected with the supporting base through a nut, the supporting base is arranged at the top of the concrete base, and the side, away from the concrete base, of the supporting base is used for being connected with a charging pile body; a forking hollow-out position is arranged on the side, facing the concrete base table, of the supporting base and used for allowing a pallet fork of the small forklift to penetrate through. According to the charging pile base structure, the flexibility of deployment of the charging pile is well improved, and meanwhile the firmness of installation of the charging pile is ensured.

The invention discloses a corrugated pipe friction torque safety coupling. The corrugated pipe friction torque safety coupling comprises a first shaft sleeve and a second shaft sleeve, the first shaft sleeve is formed by sequentially connecting a locking sleeve, a corrugated pipe and a friction outer sleeve. The second shaft sleeve comprises a friction inner sleeve embedded in the friction outer sleeve. The friction outer sleeve abuts against the end face of the inner sleeve to form a friction pair to transmit torque. The end of the friction inner sleeve is a stepped shaft and sleeved with a bearing, and the outer ring of the bearing abuts against the inner wall of the friction outer sleeve. During normal transmission, the corrugated pipe compensates axial, radial and angular deviations between the two shafts; and when the torque is overloaded and slips, the friction pair relatively slides to cut off power transmission, and the bearing intervenes to provide radial support and guide for the friction inner sleeve and the friction outer sleeve. Displacement correction and overload protection are fused, shaft system deflection and breakage at the moment of slipping are effectively prevented, and the safety of a high-precision transmission system is improved.

The utility model discloses a kind of counter-rotating ducted current power generation devices, belong to marine engineering technical field, it includes power generation structure, the power generation structure is counter-rotating power generation structure, the counter-rotating power generation structure includes first power generation impeller, second power generation impeller and double-rotor generator, the first power generation impeller and the second power generation impeller are sequentially installed and rotate in opposite directions under the action of sea current, the first power generation impeller is connected with the rotating shaft of the inner rotor of double-rotor generator by first power generation input shaft, the second power generation impeller is connected with the rotating shaft of the outer rotor of double-rotor generator by second power generation input shaft. The utility model not only can improve wide flow rate adaptability, increase sea current power generation efficiency, but also can improve the capture efficiency of multidirectional sea current.

The application discloses a segmented spliced air pressure health cabin with a base and a sealing structure, which comprises a segmented cabin body, an inner opening swing door, a cooperative sealing system and an integrated base. The sealing system adopts an active dynamic pressure pre-sealing structure. A circumferential flow guide groove is arranged on the inner side of the cabin door and faces a directional flow guide nozzle of an air inlet in the cabin. A communication hole is arranged at the bottom of the groove and communicates with the inner cavity of a hollow sealing element embedded in the pressure bearing stopper frame. A compression residual amount is left between the cabin door and the sealing element during pre-locking. During air supply, the jet flow of the nozzle impacts the groove to generate a thrust to drive the cabin door to compress the sealing element, and the sealing element is inflated and compressed synchronously, so that the pre-sealing is actively established under zero pressure difference. The application effectively solves the leakage and howling problems of the pressure cabin in the initial pressure increasing stage through sealing principle innovation and has the advantages of high system integration, convenient operation and maintenance and the like.

The application discloses a kind of highland barley threshing material separation cleaning device, belong to agricultural machinery technical field.The cleaning device includes frame and integrated on it, feeding and detection device, dust absorption and dust removal device, three-stage vibration sieve device, sieve box excitation device, automatic leveling device and automation control system.Feeding and detection device real-time detection material flow, form and moisture content;Three-stage vibration sieve device uses one-stage long waist type sieve, two-stage variable size sieve and three-stage circular sieve, screen size, vibration frequency and sieve plate inclination angle can be self-adaptive adjustment;Dust absorption and dust removal device has independently adjustable double air duct, carries out secondary airflow cleaning.The application is through compound cleaning mode and automation control, significantly improves the cleaning efficiency of highland barley threshing material and grain cleanliness, reduces loss rate, and has automatic leveling function, adapts to plateau uneven ground, realizes the full mechanization operation of highland barley cleaning.

This disclosure relates to a method for measuring and controlling the drive of an aircraft nacelle based on a multi-position control mode. The method is applied to an aircraft nacelle drive testing device, which includes a vehicle body, a frame, a control room, and a transmission assembly. The frame and control room are mounted on the vehicle body. The frame houses an engine nacelle, a propeller, and at least a portion of the aircraft's wing. The control room contains a console with multiple control sticks. The method for measuring and controlling the aircraft nacelle drive includes: moving the vehicle body to a preset environment; sequentially controlling the rotation of the control sticks in the control room; and driving the engine output power in the engine nacelle under the wing to rotate the propeller via the transmission assembly. Through this technical solution, this disclosure adopts an integrated vehicle body layout, offering flexible movement, strong site adaptability, and enabling integrated testing of the entire aircraft. This allows for engine drive testing under realistic flight simulation conditions, effectively improving control linkage stability and testing reliability, and increasing testing efficiency.

The utility model discloses a portable detection support of fixed wing unmanned aerial vehicle wing relates to unmanned aerial vehicle wing detection technical field. The utility model discloses a main fixed support, telescopic base and auxiliary fixed support, the upper portion of main fixed support is provided with wing girder fixed frame, is provided with four hinged supports in the bottom, telescopic base is provided with telescopic device, and the upper side of front end is provided with four hinged bases, and the upper side of rear end is provided with a square notch, and the bottom is provided with six brake universal wheels, the auxiliary fixed support is provided with wing tip fixed frame and elevating assembly, and the bottom is provided with fixed plug, and the fixed plug center position is provided with connecting hole. The utility model discloses through modularization design, can realize detection support folding and quick assembly, and the task is convenient to carry, helps to promote the detection efficiency, and in time discovers the hidden danger inside wing safety, guarantees unmanned aerial vehicle flight safety.

The application relates to a path planning method and system of a nuclear emergency disposal robot, and relates to the technical field of nuclear environment operation robots.The method comprises the following steps: constructing a radionuclide dose rate grid map; constructing a radionuclide dose cost map; constructing a robot path cumulative radiation dose calculation model; constructing a multi-target path planning algorithm based on a neural network; and planning a moving path of the robot according to the constructed path planning algorithm.The above scheme can realize path planning of multi-task targets of the robot and strong radiation avoidance, and improve adaptability of the robot to sudden obstacles and complex and changeable places.

The utility model relates to the technical field of freight equipment, in particular to a remote control air cushion carrier which comprises a tractor, a freight air cushion vehicle and a traction connecting structure used for connecting the tractor with the freight air cushion vehicle, and the traction connecting structure comprises a first towing bracket arranged on the tractor and a second towing bracket arranged on the freight air cushion vehicle. And the towing bracket I is hinged with the towing bracket II. The towing bracket I and the towing bracket II are arranged, so that the convenient connection and disassembly of the towing vehicle and the freight air cushion vehicle are realized; the two sets of walking mechanisms driven by the motor are utilized, front-back two-way running and two-way 360-degree rotation of the tractor are achieved, free steering of the walking mechanisms under the condition that the loading platform does not steer is achieved in cooperation with the rotating assembly, the field adaptability is higher, and the tractor is suitable for various working conditions and narrow working environments. A wireless remote control system is arranged, remote control is achieved, operation is easy and convenient, and safety and efficiency are achieved.

This utility model discloses a handheld bio-evidence laser display device, relating to the field of evidence collection equipment technology. The handheld bio-evidence laser display device includes a device body, a first functional module component, a second functional module component, a third functional module component, and a fourth functional module component, all located on the rear side of the device body. By setting up the first, second, third, and fourth functional module components, this utility model allows personnel to easily select different modules according to the actual situation on site, thereby effectively improving the overall practicality and multifunctionality of the device, and significantly enhancing the overall evidence collection efficiency and effectiveness. The protective components effectively protect the camera area of ​​the device body, thereby effectively extending the service life of the device body and further improving the overall practicality of the device.

This invention discloses a tobacco leaf harvester with stem, relating to the field of tobacco harvesting machinery technology. It includes a chassis assembly with a chain conveyor assembly mounted on it. The chain conveyor assembly comprises a front horizontal access section, a middle curved transition section, and a rear inclined lifting section. An extension / retraction guide device and an extension / retraction drive device are provided between the inclined lifting section and the chassis assembly. This invention, through its inclined extension / retraction mechanism, can adapt to different cut-off heights, has good site adaptability, and helps improve harvesting smoothness and reduce leaf damage during the harvesting process.

The utility model relates to vibrating disc screening technical field, and disclose a kind of vibrating disc for feeding and screening, including feeding frame, feeding support base, vibrating chassis and vibrating screening disc, feeding support base is basic structure, bottom universal wheel is convenient to move, top right side triangular feeding support frame is right-tilted stably supported feeding frame, there is feeding hopper in feeding frame left side, top is provided with inclined feeding pipe, end discharge port horizontal is towards vibrating screening disc, feeding assembly in feeding frame contains feeding group and drive group;Feeding plate is equidistantly connected between synchronous belt;Drive group contains feeding drive shaft and servo motor, servo motor drives feeding drive shaft by bevel gear transmission, drives synchronous belt operation, feeding support base right side vibrating disc support frame supports vibrating disc support plate, vibrating chassis on it drives vibrating screening disc vibration, controller controls overall operation, when working, material enters by feeding hopper, is conveyed to feeding pipe by feeding assembly, falls into vibrating screening disc and completes screening.

The utility model discloses an anti-blocking dredging device of a pipeline elbow and an ore pulp conveying pipeline system.The anti-blocking dredging device of the pipeline elbow comprises an anti-blocking mechanism and a dredging mechanism, and the anti-blocking mechanism comprises the pipeline elbow used for being communicated with two conveying pipes and a stirring assembly used for stirring conveyed media; the stirring assembly is mounted on the pipeline elbow, and the pipe diameter of the pipeline elbow is larger than that of the conveying pipe; the dredging mechanism comprises a flushing assembly used for diluting and / or flushing the accumulated and blocked medium and a sewage discharging assembly used for discharging the accumulated and blocked medium, and the flushing assembly and the sewage discharging assembly communicate with the pipeline elbow. The device not only can prevent media from being blocked in the conveying process, reduce the blocking frequency of the media at the elbow position of the pipeline and improve the conveying smoothness of the pipeline, but also can quickly dredge the interior of the blocked pipeline and guarantee stable and efficient conveying of the media. And the device can monitor the blockage condition and automatically conduct dredging operation, and time and labor are saved.

This invention relates to the field of solar panel mounting technology, and more particularly to a repeatable and rapidly deployable scissor-braced solar panel mounting system. A lower longitudinal beam is mounted on the ground and has a first threaded hole for connecting to a lower crossbeam. A lower crossbeam is connected above the lower longitudinal beam and has a second threaded hole for connecting to the lower longitudinal beam. Both ends of the upper surface of the lower crossbeam have grooves extending along its length, used for connecting and sliding the support components. A connecting beam has a first connecting groove and a second connecting groove. The first connecting groove connects to a first slider, and the second connecting groove connects to the support components. The support components are scissor-braced structures, with both ends connecting to the second connecting groove and the groove, respectively. This invention offers advantages such as high reusability, rapid deployment and dismantling, excellent site adaptability, superior durability, low maintenance, and high transportation and storage efficiency.

This invention belongs to the field of material handling equipment technology and discloses a heavy-duty AGV transfer vehicle, including a vehicle body, a support unit, a traveling unit, a drive unit, and a control unit. A clearance groove is recessed on the top of the vehicle body. The support unit is located on the top of the vehicle body and has a receiving portion extending along the length of the vehicle body and two overlapping portions located at both ends of the receiving portion, the overlapping portions being bent and connected to the receiving portion. The vertical height of the two overlapping portions is the same and greater than the vertical height of the receiving portion. The receiving portion has a clearance state embedded in the clearance groove and an initial bearing state partially extending out of the clearance groove. In the clearance state, the two overlapping portions press against the vehicle body on both sides of the clearance groove. The traveling unit is located at the bottom of the vehicle body, and two drive units are both located on the vehicle body, with each drive unit corresponding to one of the two overlapping portions for transmission. The control unit is located on the vehicle body and is communicatively connected to both the drive unit and the traveling unit, effectively reducing the vertical height of the heavy-duty AGV transfer vehicle and preventing obstruction of its passage.

The invention belongs to the technical field of bridge girder erection machines, and particularly relates to a construction method of a bridge girder erection machine at a height-limited position. Comprising the following steps: S1, arranging at least two hydraulic brackets for supporting a bridge girder erection machine on a girder transporting vehicle; s2, the bridge girder erection machine is lifted and transported to the height-limited position by the girder transporting vehicle from a high position, and the bridge girder erection machine passes through the height-limited position after being lowered to a low position; s3, enabling the front supporting leg structure to be stably supported on the bridge pier after passing through the height-limited position; s4, the tail of the bridge girder erection machine is still located at the height-limited position at the stage, the bridge girder erection machine advances forwards on the girder transporting vehicle, and the front supporting leg structure and the auxiliary supporting leg structure are erected on the corresponding piers in front at the same time; s5, synchronous jacking operation is carried out on the bridge erecting machine by means of the auxiliary supporting leg structure and the rear hydraulic bracket, so that the main beam of the bridge erecting machine is restored to the normal high position; and S6, the rear supporting leg structure is operated, and the upper curved beam, the upper door beam and the lower curved beam are folded to original positions. According to the invention, the problem of transportation contour limitation of traditional equipment during transition in narrow spaces such as a tunnel is successfully solved.