265 results about "Transfer operation" patented technology

The utility model discloses an engineering building block transfer device. The engineering building block transfer device comprises a plate trailer body and a side protection frame arranged outside the plate trailer body in a sleeving mode. The side protection frame can slide up and down outside the plate trailer body, a plurality of side limiting guide blocks are arranged on the periphery of the plate trailer body, guide sliding grooves matched with the side limiting guide blocks are formed in the side protection frame, threaded holes are formed in the left side and the right side of the side protection frame, and protection frame fastening screws are arranged in the threaded holes. Screw clamping holes matched with the protective frame fastening screws are formed in the plate trailer body. At least three moving wheels are arranged at the bottom of the plate trailer body. According to the utility model, the side protection frame which can be telescopically adjusted up and down is nested outside the plate trailer main body, after the side protection frame is telescoped to the highest position, the plate trailer main body is fixedly connected with the side protection frame through the protection frame fastening screws, and the side protection frame is arranged outside the plate trailer main body, so that engineering building blocks placed on the plate trailer main body can be enclosed and blocked; the engineering building blocks are prevented from being toppled and damaged, and meanwhile protection on transferring operators is enhanced.

The invention relates to the technical field of intelligent optimization of discrete combination problems, in particular to a distributed heterogeneous machining workshop order allocation method and system based on simulation, workshops are accurately described by constructing simulation models of the machining workshops, and a hybrid genetic algorithm is combined with simulation to find order allocation schemes meeting requirements, so that the optimization of the machining workshops is realized. According to the method, a factory delivery date relaxation calculation mode is improved, maximization and minimum factory delivery date relaxation are taken as a target, a high-quality order allocation scheme is efficiently generated, whether each order can be completed in time or not is verified through production simulation of each machining workshop, an order transfer operation is designed to adjust overdue order allocation, and the order allocation efficiency is improved. Compared with a traditional method, the efficiency of processing heterogeneous workshops is higher, order allocation of simulation verification is more real and reliable, the resource utilization rate and the on-time completion rate can be improved in a complex distributed manufacturing scene, the order delay risk is reduced, and the method is suitable for the field of multi-factory collaborative production scheduling.

This utility model discloses an automatic tilting and erecting machine device, aiming to solve the problems of traditional methods that rely on manual labor or large cranes to tilt and transfer heavy goods, resulting in cumbersome operation, low efficiency, and difficulty in adapting to height-restricted passages. This automatic tilting and erecting machine device is powered by electricity, and workers operate it through a control module to achieve the tilting and transfer of goods. Specifically, a lead screw motor drives the lead screw to rotate, causing the lead screw slider to move horizontally on the lead screw. Combined with the L-shaped tilting structure consisting of the vehicle body, tilting plate, and adjustable-width forks, the device, under the action of support rods, allows the goods to be tilted at any angle from 0° to 90°. The device is also equipped with a buffer and a safety net, enabling it to safely complete the integrated tilting and transfer operation.

The utility model discloses a portable breast milk feeder which integrates the functions of collection, refrigeration, heating and milk feeding, simultaneously meets the requirements of various operations required by feeding, and can avoid tedious transfer operation and external pollution. According to the technical scheme, the constant-temperature feeding device is characterized by comprising a storage cylinder, a collection cover, a nipple, a collection structure and a constant-temperature structure, the collection cover and the nipple are detachably connected to the storage cylinder, the collection structure comprises a negative pressure plug, a control button, a locking piece and a linkage assembly, the control button is movably arranged at the end, away from the collection cover, of the storage cylinder, and the negative pressure plug is movably arranged in the storage cylinder; the linkage assembly is arranged between the control button and the negative pressure plug, the locking piece is arranged on the control button to limit the moving state of the control button, a sealing piece is movably arranged between the storage cylinder and the collection cover, the control button is connected with the sealing piece through the control assembly, and after breast milk is collected to the storage cylinder, the sealing piece is driven through the control button to be sealed. The constant-temperature structure is arranged on the outer wall of the storage barrel to maintain or increase the temperature in the storage barrel.

This utility model discloses an automatic fertilizer bag transport system, aiming to provide a simple, convenient, and highly automated system for transporting fertilizer bags. It includes: a first conveyor belt with a guide plate above it; a sealing machine installed at the left end of the guide plate; a bag-flipping mechanism located at the right end of the first conveyor belt, and equipped with a rotatable flipping clamp; and a second conveyor belt located behind the bag-flipping mechanism. The advantages of this utility model are: sealing and transfer are performed simultaneously; furthermore, when changing the transfer direction, the bag-flipping mechanism can change the transfer method of the fertilizer bags, and the cooperating flipping rod can transfer the fertilizer bags onto the second conveyor belt to complete subsequent transfer operations.

The application discloses a roof integrated automatic mounting system and a use method thereof, which comprises an installation operation X-direction sliding rail, a material taking operation X-direction sliding rail, an installation operation frame, an installation manipulator, a material taking manipulator, a transfer operation table and a roof integrated storage rack; the installation operation X-direction sliding rail and the material taking operation X-direction sliding rail are horizontally arranged and are both installed above an operation surface; the material taking manipulator is installed on the material taking operation X-direction sliding rail, and the transfer operation table and the roof integrated storage rack are arranged below the material taking operation X-direction sliding rail; the installation operation frame is installed on the installation operation X-direction sliding rail, the installation operation frame is internally provided with an installation operation Y-direction sliding rail which is perpendicular to the installation operation X-direction sliding rail, the installation manipulator is installed on the installation operation Y-direction sliding rail, the installation manipulator can grab the roof integration from the transfer operation table, and the state of the roof integration on the transfer operation table is same as the installation state. The system has reasonable structure design, high operation efficiency and good application prospect.

The utility model relates to the technical field of carrying tools, in particular to an electromagnetic chuck type carrying tool for ultra-thin silicon steel strips, which comprises a tool body, a chuck body is arranged on the surface of the bottom of the tool body, a controller is arranged at the top end of the chuck body, a wire jack is arranged on one side of the controller, and an electromagnetic chuck is arranged on the other side of the controller. A fixing support is connected to the surface of the top end of the tool body, and a mounting frame is connected to the surface of the fixing support. The suction cup bodies are distributed on the surface of the bottom end of the tool body in an array mode, then the electric wire jack formed in one side of the controller is connected with an electric wire to supply power to the controller, accurate adjustment of electromagnetic force of each suction cup body is achieved through the control circuit, and compared with a traditional mechanical clamping jaw type carrying tool, the electromagnetic force of each suction cup body can be accurately adjusted. The surface of the ultra-thin silicon steel strip can be prevented from being scratched, extruded and the like, the carrying efficiency and the finished product protection effect are improved, and the device is suitable for transfer operation of the high-precision ultra-thin silicon steel strip in the production link.

The utility model provides a material transfer device which comprises an operation platform body, an installation connecting seat body, a distance adjusting mechanism, a rotating disc operation mechanism and a material collecting disc mechanism, the installation connecting seat body, the distance adjusting mechanism, the rotating disc operation mechanism and the material collecting disc mechanism are arranged on the operation platform body, one side of the installation connecting seat body is rotationally connected with the rotating disc operation mechanism, and the other side of the installation connecting seat body is connected with the material collecting disc mechanism. The distance adjusting mechanism comprises a driving mounting assembly and a suction cup distance adjusting assembly, the suction cup distance adjusting assembly is connected to the mounting connecting base through the driving mounting assembly, and the driving mounting assembly comprises a first driving piece; the first driving part is used for driving the suction cup distance adjusting assembly to reciprocate in the first direction between the rotary disc operation mechanism and the material collecting disc mechanism. According to the material transferring device provided by the utility model, the arranged sucking disc distance adjusting unit assembly can be used for adjusting the arrangement distance before disc loading according to the difference between the diameter of the material disc and the diameter of the lens when the contact lenses are transferred and loaded into the disc, so that the transferring operation is convenient, and the detection efficiency is further improved.

This invention discloses a workpiece transfer and hoisting device for a heat treatment furnace, relating to the field of heat treatment furnace technology. It includes a frame and a drive assembly. A support ring is mounted on the top of the frame, and a rotating assembly is mounted on the top of the support ring. A telescopic assembly is connected to the top of the rotating assembly, and a transmission box is mounted at one end of the telescopic assembly. The drive assembly is connected to the middle of the transmission box. This invention achieves integrated drive and flexible switching of telescopic and rotating functions through a single motor and separate forward and reverse rotation designs, reducing costs. A single servo motor outputs power during forward rotation to drive the extension and retraction of the telescopic arm or adjust the angle of the rotating assembly. During reverse rotation, it is used to switch the transmission path, change the direction of action, or change the functional mode. This design fully utilizes the motor's working state, enabling rapid and precise adjustment of the telescopic length and rotation direction during workpiece hoisting, effectively reducing idle travel and improving workpiece transfer efficiency.

An operation related to cell reselection of the NCR apparatus in the RRC inactive state or the RRC idle state is clarified.SOLUTION: A communication method using a repeater node including a repeater device configured to perform a transfer operation of a radio signal transmitted between a network and a user device, and a control terminal configured to support a function of the user device, the communication method comprising: Causing the repeater apparatus to continue the transfer operation when the control terminal transitions from a radio resource control (RRC) connected state to an RRC inactive state in a first cell, selecting, by the control terminal, a second cell different from the first cell when the control terminal is in the RRC inactive state in the first cell, and stopping, by the repeater apparatus, the transfer operation when the control terminal selects the second cell.SELECTED DRAWING: Figure 13

The invention discloses an autonomous moving double-arm type steel bar binding robot, which belongs to the technical field of automatic equipment, and comprises a maneuvering and climbing device, an operation execution device and a central control and energy system, the transverse translation mechanisms are installed on the bearing base plate, the number of the vertical climbing mechanisms is the same as that of the transverse translation mechanisms, the vertical climbing mechanisms and the transverse translation mechanisms are arranged in pairs, and each pair of vertical climbing mechanisms is installed on the corresponding pair of transverse translation mechanisms; the output directions of the two vertical climbing mechanisms in pairs are opposite, and the vertical climbing mechanisms are used for vertically moving through meshing of the climbing wheels and the vertical guide rails and horizontally moving between the adjacent vertical guide rails through driving of the transverse translation mechanism; the operation execution device and the central control and energy system are installed on the bearing base plate. Autonomous lifting and transverse moving can be achieved, dead-corner-free covering of the full-height and full-width working face is achieved through the double-arm executing mechanism, the construction process is simplified, and the material cost and the labor cost are reduced.

A material transfer operation system includes one or more processors and memory storing instructions that, when executed by the one or more processors, configure the one or more processors to identify a material transfer machine material transfer route indicative of a route along which a material transfer machine is to conduct a material transfer operation; identify a material receiving machine material transfer route indicative of a route along which a material receiving machine is to conduct the material transfer operation; identify a first value of a terrain condition corresponding to the material transfer machine material transfer route; identify a second value of the terrain condition corresponding the material receiving machine material transfer route; generate an adjustment based on the first value and the second value of the terrain condition; and control one or more of the material transfer machine and the material receiving machine based on the adjustment.

A cell transfer apparatus transfers cells scattered in a first container to a second container. The cell transfer apparatus includes a head with a suction tip, a movement mechanism for the head, a camera that captures images of the first container, a cell recognition unit that performs position recognition of the cells based on the images, and a control unit that controls the head and the movement mechanism to perform a transfer operation of the cells based on a result of the position recognition. The control unit gradually suctions the set quantity of target cells that is set to two or more in advance into the suction tip from among the cells scattered in the first container, causes the head to move to the second container, and then discharges the set quantity of the target cells suctioned into the suction tip to the same location in the second container.

The invention relates to the technical field of composite materials, and discloses composite material forming equipment and a forming method.The composite material forming equipment is characterized in that a feeding rotating system is arranged in a rack; the feeding rotating system is used for feeding and clamping the core mold shaft and driving the core mold shaft to rotate; a composite material prefabricated body is mounted on the core mold shaft; the needling system is arranged at the top of the rack, and the needling system is matched with the mandrel shaft to rotate and needled on the composite material prefabricated body; the winding system is arranged at the rear end of the machine frame and winds fiber lines on the composite material prefabricated body. The needling and winding operations of the composite material prefabricated body are integrated on the same equipment, so that error accumulation caused by frequent positioning operation is avoided, the forming quality of the composite material prefabricated body is remarkably improved, the procedure connection time and the manual transfer operation amount are remarkably reduced, and the needling and winding forming time of the composite material prefabricated body is shortened; the forming efficiency of the composite material preform is obviously improved; and the time cost and the labor cost are obviously reduced.

The present application relates to photovoltaic module cleaning technical field, specifically to a kind of cleaning robot ferry device and ferry method through partition wall, including two ferry cars and the ferry track matched with ferry car, the ferry car is used to correspond arrangement in the left and right sides of partition wall, the ferry track is arranged between two ferry cars to be used to move between two ferry cars for cleaning robot;The ferry car includes base, lifting mechanism and carrier, the carrier is used to carry cleaning robot, carrier is movably assembled on base, under the driving of lifting mechanism, carrier has first docking position corresponding to photovoltaic panel on its active stroke to transfer between ferry car and photovoltaic panel for cleaning robot, and second docking position corresponding to conveying track to transfer between ferry track and corresponding ferry car for cleaning robot;The present application can realize the transfer operation of cleaning robot on partition wall, and reduces the layout cost of photovoltaic cleaning equipment.

The utility model discloses a pre-screening device for metal processing scraps before crushing treatment, which is connected between the processing scraps accumulated on the ground and a feed port of a crusher, conveys the processing scraps on the ground to the feed port, and further comprises a screening mechanism for pre-screening the scraps in the conveying process. The pre-screening device is connected between treated scraps accumulated on the ground and a feeding port of the crusher, and the ground treated scraps can be continuously conveyed to the feeding port, so that transferring operation of the scraps is mechanically achieved, and the problem that continuous physical burden exists in the current manual scrap transferring process is greatly solved. And small-particle sweeps doped in the sweeps needing to be crushed in the transportation process are separated in advance through the screening mechanism, so that the small-particle sweeps do not enter the crusher to be crushed, and therefore the amount of the sweeps entering the crusher to be crushed is reduced, the treatment efficiency of the sweeps is improved, and power consumption and too fast abrasion of a crushing cutter are reduced.

An aluminum rod heating device, comprising a transfer mechanism, one end of the transfer mechanism is provided with an end pushing mechanism, the other end of the transfer mechanism is provided with a heating device, the other end of the heating device is provided with a rotating mechanism, a prefabricating table is arranged between the heating device and the rotating mechanism, and the aluminum rod after heating is placed on the prefabricating table. The transfer mechanism is used for the transfer operation of the aluminum rod, the end pushing mechanism is used for pushing the aluminum rod placed on the transfer mechanism to make the aluminum rod move to the heating device, the heating device is used for heating the aluminum rod, and the rotating mechanism acts on the other end of the aluminum rod and drives the aluminum rod to rotate. Compared with the prior art, when the aluminum rod is heated, the uniformity during heating can be ensured through the rotating mode, and when rotating, the one-end clamping and two-end pressing mode is adopted, so that the safety and stability during rotating are improved.

The utility model discloses an on-ridge correction and transfer device for a self-propelled traditional Chinese medicinal material seeding machine and the seeding machine, and relates to the technical field of seeding machines. The problems that an existing seeder is insufficient in on-ridge track correction capacity, low in ridge-crossing transfer efficiency and limited in function expansibility are solved. The device comprises a detachable connecting bracket, an advancing mechanism and a lifting mechanism, wherein the detachable connecting bracket is mounted on the side of the seeding machine; the lifting mechanism is installed on the detachable connecting support and can drive the advancing mechanism to ascend or descend. When the seeder is used for seeding, the lifting mechanism drives the advancing mechanism to lift to be higher than the bottom of a furrow; when the track of the seeding machine deviates, the lifting mechanism drives the advancing mechanisms to descend to touch the ground, and the two advancing mechanisms advance at differential speed to correct the advancing track of the seeding machine; when the seeding machine crosses ridges or transfers an operation area, the lifting mechanism drives the advancing mechanisms to descend to touch the ground and lift the seeding machine to be higher than the bottom of a furrow, and the two advancing mechanisms advance to transfer the seeding machine. The seeder is mainly used for seeding.

The utility model provides a kind of bristle washing machine, belong to bristle processing technical field.This kind of bristle washing machine includes washing machine and discharge guide mechanism, the top of washing machine is equipped with pipe support, the left side of washing machine front side is provided with discharge port, guide hopper is movably connected in the left side of washing machine front side, the both sides of guide hopper bottom are movably connected with chassis, lifting groove is opened in the top of chassis, the bottom of guide hopper is fixedly connected with lifting column located in the inside of lifting groove, lifting positioning mechanism is movably connected in the bottom of the inboard of lifting column, by setting discharge guide mechanism, can form outside in discharge port, the medium that receives and guide is carried out to the bristle that discharges, the bristle is discharged and guided, and it is convenient for staff to be received by guide, the bristle is transferred operation, avoid bristle to be directly discharged from discharge port, lead to bristle secondary pollution and the situation that discharge transfer operation is inconvenient, thus improve the discharge handling convenience of washing machine.

The present application relates to material transportation technical field, provide a kind of unpowered automatic reciprocating transfer trolley between station, including frame, longitudinal guide rail, load lifting platform, pulley block, balancer, pull rope, stop structure and open-close handle.This transfer trolley uses gravity, drives car body to advance on the way back;Use the principle of force storage of balancer, pull car axle rotation, realize automatic return of journey.By pulling open-close handle, unfasten support, make load lifting platform move downward, pull rope+pulley block act accordingly, pull car axle rotation, realize transfer trolley movement, reach set position, touch stop structure, material box is automatically moved to butt joint material rack on carrying surface due to its own gravity, at this time, the pulling force of balancer exceeds the gravity of load lifting platform, balancer automatically take up line, drive car axle reverse rotation, transfer trolley automatic return of journey, complete material automatic transfer operation.

The application discloses a flexible transfer and grabbing industrial robot, and relates to the technical field of industrial robots.The flexible transfer and grabbing industrial robot comprises a four-wheel drive base, a placing plate fixedly installed on the top of the four-wheel drive base, a supporting plate fixedly installed on the front end of the top of the four-wheel drive base, an electric turntable installed on the surface of the supporting plate, a mechanical arm fixedly installed on the top of the electric turntable, a grabbing mechanism fixedly installed on the execution end of the mechanical arm, and protective pieces installed on the outer surface of the four-wheel drive base on both sides.The flexible transfer and grabbing industrial robot drives the grabbing mechanism to approach and grab workpieces through the mechanical arm;when the workpieces are grabbed, the buffer box cooperates with the flexible hook to convert rigid clamping force into flexible buffer clamping force, realizes self-adaptive buffer of the clamping force, solves the problems that local stress concentration, extrusion deformation and flanging are prone to occurring in traditional rigid clamping hooks, and meanwhile, the protective pieces play a protective role in the transfer process, avoid rigid impact from being directly conducted to the robot, and guarantee the stability of the transfer operation of the robot.

A system can be used to prevent unauthorized resource access related to a compromised token. The system can receive a cancel request indicating that the compromised token has been compromised. The cancel request can include a time at which the compromised token was compromised. Additionally, the system can remove a related token associated with sensitive data corresponding to the compromised token. The related token can be generated subsequent to the time at which the compromised token was compromised. The system can output a response to an operation processing system to indicate when the related token was last used to deny access to one or more protected resources by preventing an execution of an unauthorized transfer operation. The operation processing system can identify the unauthorized transfer operation based on the response.

The utility model relates to the technical field of glass transportation equipment, in particular to a curved tempered glass transfer device, which comprises a glass transfer mechanism, a glass conveying mechanism and a glass conveying mechanism, the multiple first clamping mechanisms are fixed to the position, located in the center, of the trolley at equal intervals and can limit the center of the curved-surface tempered glass; and the multiple second clamping mechanisms are fixed to the positions, located on the two sides, of the trolley at equal intervals correspondingly, the edges of the curved tempered glass can be limited, and meanwhile the limiting position can be adjusted. According to the utility model, the clamping mechanism I is matched with the clamping mechanism II, so that when the curved toughened glass is placed, the curved toughened glass can be quickly limited without manual operation, a large amount of time is saved, and especially in batch transfer operation, the preparation time for placing a single piece of glass can be remarkably shortened, the transfer rhythm is accelerated, and the overall working efficiency is improved; the labor cost is reduced.

A calculator system connected to a public network efficiently avoids congestion. The calculator system is connected to a network including a network switch, includes a plurality of calculators, and recovers, when a data packet is lost on the network, a transfer operation of the lost data packet by a retransmission operation. The calculator system includes the calculators; software running on the calculators; timing adjusting mechanism present between the calculators and the network. The timing adjusting mechanism is configured to calculate a delay time for delaying transmission of a data packet transmitted from the software based on characteristics of the data packet, and delay the transmission of the data packet by the calculated delay time.

The application discloses an MCU access system, which comprises a cache memory and an MCU. The MCU is used for accessing a DDR memory through the cache memory. The cache memory is connected between the MCU and the DDR memory. The cache memory and the DDR memory are arranged outside the MCU. The cache memory is used for accessing the DDR memory in a burst transfer operation mode. The MCU is used for accessing the cache memory in a single transfer operation mode or in a burst transfer operation mode.

The utility model relates to the technical field of apple tissue culture seedling transfer, in particular to a sterile transfer operation cabin for apple tissue culture seedlings, which is characterized in that a groove is formed in an operation table, sliding chutes are formed in the operation table and are positioned on the left side and the right side of the groove, and a high-temperature sterilization pot is arranged in the groove and is connected with an external power supply; the two pot cover plates are arranged in a matched and abutting mode and are arranged in the two sliding grooves in a sliding mode. The two-way lead screw is screwed in the sliding grooves through bearings, the pot cover plate is screwed on the two-way lead screw in a threaded mode, the motor is fixedly arranged in one sliding groove, the output end of the motor is connected with the end of the two-way lead screw, and the motor is connected with an external power source; the placing plate is movably arranged in the high-temperature sterilization pot, the annular wall of the placing plate is matched and propped against the inner wall of the high-temperature sterilization pot, and the placing plate is connected with the corresponding pot cover plate through a connecting assembly; the operating table is combined with the high-temperature sterilization pot, so that an operator can directly use an appliance after high-temperature sterilization, and the condition that the appliance is polluted during transfer and the apple tissue culture effect is influenced is avoided.

The invention relates to the technical field of electrical automation, in particular to an electrical automation control system and method. The method comprises the steps of collecting historical data and real-time information related to operation of a motor group, predicting a total load demand curve of a future preset period through a time sequence algorithm, and outputting the total load demand curve; based on the total load demand curve, in combination with a preset trigger event rule and a dynamic efficiency model library of a pre-constructed motor group, by constructing and solving an optimization model, decision-making is carried out to obtain the number of motors needing to operate, target load distribution of each motor and a rotating speed set value, and a decision-making result is output; based on the decision result, a master-slave tracking strategy is adopted to execute motor load transfer operation, and smooth switching of the running state of the motor group is achieved; by combining historical and real-time data to pre-judge the load and constructing a system-level cooperative scheduling system, the response timeliness of the motor group and the stability of the working condition are improved.

The invention provides a game team transfer method and device and electronic equipment, and the method comprises the steps: controlling a graphical user interface corresponding to a first virtual character in a game team to provide first prompt information in response to a condition that a plurality of virtual characters meet transfer conditions for transferring to a target server; in response to a first trigger instruction for the first prompt information, controlling role data of the plurality of virtual roles to be transferred to a target server; the role data of the multiple virtual roles stored in the target server and the first server are the same. In the mode, when all the team members meet the transfer condition of transferring to the target server, the system can directly send the prompt information to one member in the team and trigger the prompt information, so that the service transfer of the whole game team can be directly completed, the team members do not need to carry out service transfer operation respectively, and team reformation does not need to be carried out after service transfer; therefore, the communication cost and the implementation cost are reduced, the flow of transferring the service is simple, the hesitation cost of transferring the service is reduced, and the game experience of players is further improved.

A kind of chafing dish material box with moving tool, including upper batten, the both ends of upper batten are welded with lower extension arm respectively, a pair of through rod is arranged in the lower end of lower extension arm, end cap is arranged in the outside end of through rod, spring is arranged in the outside end of through rod, spring is located between end cap and lower extension arm, the inside end of through rod is connected with inner pressing plate by thread, the upper and lower ends of inner pressing plate are respectively provided with inner lug, inner lug can limit a group of chafing dish material in vertical stacking, to facilitate the transfer of a group of stacked chafing dish material Box operation, spring can make inner pressing plate move outward, facilitate the sleeve of inner pressing plate at the both ends of chafing dish material, to facilitate the clamping transfer operation of chafing dish material during transfer.

The utility model discloses a stretcher convenient to carry out sickbed patient transfer in the medical instrument technical field, including left stretcher unit and right stretcher unit, left stretcher unit and right stretcher unit are mirror symmetry structure, the upper surface of left stretcher unit and the lower surface of right stretcher unit are provided with a plurality of strip-shaped card slot in linear array distribution, and the upper surface of right stretcher unit is provided with a plurality of strip-shaped card slot in linear array distribution, and the lower surface of right stretcher unit is provided with a plurality of strip-shaped card slot. The stretcher is further provided with three devices for stable fixing, namely a first fastening module, a second fastening module and a third fastening module. By installing the whole stretcher device with the structures such as the strip-shaped clamping grooves, the various fastening modules, the detachable connecting assemblies and the movable hinge assemblies, the purpose of reducing manpower needed for transferring a patient from a sickbed to a cart is achieved. The effect of conveniently and efficiently completing the transfer operation by only two persons is achieved, so that the labor cost is remarkably saved, the patient shaking and secondary injury risks caused by non-uniform force application during cooperation of multiple persons are avoided, and the safety and convenience in the transfer process are greatly improved.